thebears/birdptz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

yacwc

Browse Source
This commit is contained in:
Ishan S. Patel
2021-09-17 13:38:33 -04:00
parent 1614f595e3
commit b02a188a3f
27 changed files with 2732 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
.generated_files/flags/default/1a8b631988403d72167c8d6baec2a73bac7faf7 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/birdptz.X/helpers_uart.c

1
.generated_files/flags/default/2adc7fbb2135c78f19d1a1b2028996567fb9053 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/camera_ptz.X/mcc_generated_files/examples/twi0_master_example.c

1
.generated_files/flags/default/41672a6e402df6011c74e1ae975d7490093855fc Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -D__DEBUG=1 -g -DDEBUG -gdwarf-2 -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/birdptz.X/helpers_i2c.c

1
.generated_files/flags/default/5580302ab4be68f0bc49bf4b1ff420d2f7107178 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -D__DEBUG=1 -g -DDEBUG -gdwarf-2 -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/birdptz.X/helpers_uart.c

1
.generated_files/flags/default/687cfc15b1583ba4f8b41f2e61825e1ceba0a3f8 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -D__DEBUG=1 -g -DDEBUG -gdwarf-2 -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/birdptz.X/main.c

1
.generated_files/flags/default/76643e2f2dd3e91a2db2be5bb80d347d7acaddab Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/birdptz.X/main.c

1
.generated_files/flags/default/8682dd81be42c9dbff6320a6e76b466c66323e74 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/birdptz.X/helpers_i2c.c

1
.generated_files/flags/default/8ed3d0c329f6d5902874651213f7016c3a965cfa Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -D__DEBUG=1 -g -DDEBUG -gdwarf-2 -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/camera_ptz.X/mcc_generated_files/examples/twi0_master_example.c

1
.generated_files/flags/default/a8f3fbb525877d0d30c84aaf9893fa33f8b025c5 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/camera_ptz.X/mcc_generated_files/src/twi0_master.c

1
.generated_files/flags/default/dd22591090474e37abeef990af4d577cd8e2ffd0 Normal file
View File

@@ -0,0 +1 @@
$(MP_EXTRA_CC_PRE) -mcpu=$(MP_PROCESSOR_OPTION) -c -D__DEBUG=1 -g -DDEBUG -gdwarf-2 -x c -D__$(MP_PROCESSOR_OPTION)__ -mdfp="${DFP_DIR}/xc8" -Wl,--gc-sections -O1 -ffunction-sections -fdata-sections -fshort-enums -funsigned-char -funsigned-bitfields -Wall -DXPRJ_default=$(CND_CONF) $(COMPARISON_BUILD) -gdwarf-3 /home/thebears/Seafile/Designs/AVR/camera_ptz.X/mcc_generated_files/src/twi0_master.c

37
.generated_files/flags/default/f5b4f3c1b2460fb4f304c807ea4f51f1d7479b5e Normal file
View File

@@ -0,0 +1,37 @@
#
# Generated Makefile - do not edit!
#
#
# This file contains information about the location of compilers and other tools.
# If you commmit this file into your revision control server, you will be able to
# to checkout the project and build it from the command line with make. However,
# if more than one person works on the same project, then this file might show
# conflicts since different users are bound to have compilers in different places.
# In that case you might choose to not commit this file and let MPLAB X recreate this file
# for each user. The disadvantage of not commiting this file is that you must run MPLAB X at
# least once so the file gets created and the project can be built. Finally, you can also
# avoid using this file at all if you are only building from the command line with make.
# You can invoke make with the values of the macros:
# $ makeMP_CC="/opt/microchip/mplabc30/v3.30c/bin/pic30-gcc" ...
#
PATH_TO_IDE_BIN=/opt/microchip/mplabx/v5.50/mplab_platform/platform/../mplab_ide/modules/../../bin/
# Adding MPLAB X bin directory to path.
PATH:=/opt/microchip/mplabx/v5.50/mplab_platform/platform/../mplab_ide/modules/../../bin/:$(PATH)
# Path to java used to run MPLAB X when this makefile was created
MP_JAVA_PATH="/opt/microchip/mplabx/v5.50/sys/java/zulu8.40.0.25-ca-fx-jre8.0.222-linux_x64/bin/"
OS_CURRENT="$(shell uname -s)"
MP_CC="/opt/microchip/xc8/v2.32/bin/xc8-cc"
# MP_CPPC is not defined
# MP_BC is not defined
MP_AS="/opt/microchip/xc8/v2.32/bin/xc8-cc"
MP_LD="/opt/microchip/xc8/v2.32/bin/xc8-cc"
MP_AR="/opt/microchip/xc8/v2.32/bin/xc8-ar"
DEP_GEN=${MP_JAVA_PATH}java -jar "/opt/microchip/mplabx/v5.50/mplab_platform/platform/../mplab_ide/modules/../../bin/extractobjectdependencies.jar"
MP_CC_DIR="/opt/microchip/xc8/v2.32/bin"
# MP_CPPC_DIR is not defined
# MP_BC_DIR is not defined
MP_AS_DIR="/opt/microchip/xc8/v2.32/bin"
MP_LD_DIR="/opt/microchip/xc8/v2.32/bin"
MP_AR_DIR="/opt/microchip/xc8/v2.32/bin"
# MP_BC_DIR is not defined
DFP_DIR=/opt/microchip/mplabx/v5.50/packs/Microchip/ATmega_DFP/2.3.126

113
Makefile Normal file
View File

@@ -0,0 +1,113 @@
#
# There exist several targets which are by default empty and which can be
# used for execution of your targets. These targets are usually executed
# before and after some main targets. They are:
#
# .build-pre: called before 'build' target
# .build-post: called after 'build' target
# .clean-pre: called before 'clean' target
# .clean-post: called after 'clean' target
# .clobber-pre: called before 'clobber' target
# .clobber-post: called after 'clobber' target
# .all-pre: called before 'all' target
# .all-post: called after 'all' target
# .help-pre: called before 'help' target
# .help-post: called after 'help' target
#
# Targets beginning with '.' are not intended to be called on their own.
#
# Main targets can be executed directly, and they are:
#
# build build a specific configuration
# clean remove built files from a configuration
# clobber remove all built files
# all build all configurations
# help print help mesage
#
# Targets .build-impl, .clean-impl, .clobber-impl, .all-impl, and
# .help-impl are implemented in nbproject/makefile-impl.mk.
#
# Available make variables:
#
# CND_BASEDIR base directory for relative paths
# CND_DISTDIR default top distribution directory (build artifacts)
# CND_BUILDDIR default top build directory (object files, ...)
# CONF name of current configuration
# CND_ARTIFACT_DIR_${CONF} directory of build artifact (current configuration)
# CND_ARTIFACT_NAME_${CONF} name of build artifact (current configuration)
# CND_ARTIFACT_PATH_${CONF} path to build artifact (current configuration)
# CND_PACKAGE_DIR_${CONF} directory of package (current configuration)
# CND_PACKAGE_NAME_${CONF} name of package (current configuration)
# CND_PACKAGE_PATH_${CONF} path to package (current configuration)
#
# NOCDDL
# Environment
MKDIR=mkdir
CP=cp
CCADMIN=CCadmin
RANLIB=ranlib
# build
build: .build-post
.build-pre:
# Add your pre 'build' code here...
.build-post: .build-impl
# Add your post 'build' code here...
# clean
clean: .clean-post
.clean-pre:
# Add your pre 'clean' code here...
# WARNING: the IDE does not call this target since it takes a long time to
# simply run make. Instead, the IDE removes the configuration directories
# under build and dist directly without calling make.
# This target is left here so people can do a clean when running a clean
# outside the IDE.
.clean-post: .clean-impl
# Add your post 'clean' code here...
# clobber
clobber: .clobber-post
.clobber-pre:
# Add your pre 'clobber' code here...
.clobber-post: .clobber-impl
# Add your post 'clobber' code here...
# all
all: .all-post
.all-pre:
# Add your pre 'all' code here...
.all-post: .all-impl
# Add your post 'all' code here...
# help
help: .help-post
.help-pre:
# Add your pre 'help' code here...
.help-post: .help-impl
# Add your post 'help' code here...
# include project implementation makefile
include nbproject/Makefile-impl.mk
# include project make variables
include nbproject/Makefile-variables.mk

80
compiler.h Normal file
View File

@@ -0,0 +1,80 @@
/**
@Company
Microchip Technology Inc.
@Description
This Source file provides APIs.
Generation Information :
Driver Version : 1.0.0
*/
/*
(c) 2018 Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip software and any
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
license terms applicable to your use of third party software (including open source software) that
may accompany Microchip software.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
FOR A PARTICULAR PURPOSE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
SOFTWARE.
*/
#ifndef UTILS_COMPILER_H
#define UTILS_COMPILER_H
/**
* \defgroup doc_driver_utils_compiler Compiler abstraction
* \ingroup doc_driver_utils
*
* Compiler abstraction layer and code utilities for 8-bit AVR.
* This module provides various abstraction layers and utilities
* to make code compatible between different compilers.
*
* \{
*/
#if defined(__GNUC__)
#include <avr/io.h>
#include <avr/builtins.h>
#elif defined(__ICCAVR__)
#define ENABLE_BIT_DEFINITIONS 1
#include <ioavr.h>
#include <intrinsics.h>
#ifndef CCP_IOREG_gc
#define CCP_IOREG_gc 0xD8 /* CPU_CCP_IOREG_gc */
#endif
#ifndef CCP_SPM_gc
#define CCP_SPM_gc 0x9D /* CPU_CCP_SPM_gc */
#endif
#else
#error Unsupported compiler.
#endif
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include "interrupt_avr8.h"
/**
* \def UNUSED
* \brief Marking \a v as a unused parameter or value.
*/
#define UNUSED(v) (void)(v)
#endif /* UTILS_COMPILER_H */

32
helpers_i2c.c Normal file
View File

@@ -0,0 +1,32 @@
#define TWI0_BAUD(F_SCL, T_RISE) \
((((((float)10000000 / (float)F_SCL)) - 10 - ((float)10000000 * T_RISE / 1000000))) / 2)
#include "helpers_i2c.h"
void i2c_init(void) {
PORTMUX.TWISPIROUTEA = 0x23;
TWI0.CTRLA = 0x14;
//Debug Run
TWI0.DBGCTRL = 0x00;
//Master Baud Rate Control
TWI0.MBAUD = (uint8_t)TWI0_BAUD(100000, 0);
//RIEN disabled; WIEN disabled; QCEN disabled; TIMEOUT DISABLED; SMEN disabled; ENABLE enabled;
TWI0.MCTRLA = 0x01;
//RIF disabled; WIF disabled; CLKHOLD disabled; ARBLOST disabled; BUSERR disabled; BUSSTATE UNKNOWN;
TWI0.MSTATUS = 0x00;
//Master Address
TWI0.MADDR = 0x00;
//FLUSH disabled; ACKACT ACK; MCMD NOACT;
TWI0.MCTRLB = 0x00;
//Master Data
TWI0.MDATA = 0x00;
};

23
helpers_i2c.h Normal file
View File

@@ -0,0 +1,23 @@
// more than once.
#ifndef HELPER_I2C_H
#define HELPER_I2C_H
#include <xc.h> // include processor files - each processor file is guarded.
#include <avr/io.h>
void i2c_init(void);
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
// TODO If C++ is being used, regular C code needs function names to have C
// linkage so the functions can be used by the c code.
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* XC_HEADER_TEMPLATE_H */

94
helpers_uart.c Normal file
View File

@@ -0,0 +1,94 @@
#include "helpers_uart.h"
void USART0_init(void) {
PORTA.DIR &= ~PIN1_bm;
PORTA.DIR |= PIN0_bm;
USART0.BAUD = (uint16_t) USART0_BAUD_RATE(9600);
USART0.CTRLB |= USART_TXEN_bm;
}
void USART0_sendChar(char c) {
while (!(USART0.STATUS & USART_DREIF_bm)) {
;
}
USART0.TXDATAL = c;
}
void USART0_sendString(const char *str) {
for (size_t i = 0; i < strlen(str); i++) {
USART0_sendChar(str[i]);
}
}
void uart_print_uint16(uint16_t meas, const char* buf) {
sprintf(array, "%u", meas);
USART0_sendString(" ");
USART0_sendString(array);
USART0_sendString(" ");
USART0_sendString(buf);
}
void uart_print_float(float meas, const char* buf) {
dtostrf(meas, 3, 4, array);
USART0_sendString(" ");
USART0_sendString(array);
USART0_sendString(" ");
USART0_sendString(buf);
}
void uart_print_bool(bool din, const char* buf)
{
USART0_sendString(" ");
if (din)
{
USART0_sendString("TRUE ");
} else
{
USART0_sendString("FALSE");
}
USART0_sendString(" ");
USART0_sendString(buf);
}
void uart_print_binary(unsigned char vin, const char* buf) {
USART0_sendString(" ");
int binary[9];
for (int n = 0; n < 8; n++)
binary[7 - n] = (vin >> n) & 1;
char str[1];
for (int n = 0; n < 8; n++) {
sprintf(str, "%d", binary[n]);
USART0_sendString(str);
}
USART0_sendString(" ");
USART0_sendString(buf);
}
void uart_print_uint8(uint8_t vin, const char* buf) {
USART0_sendString(" ");
sprintf(array, "%u", vin);
USART0_sendString(array);
USART0_sendString(" ");
USART0_sendString(buf);
}

68
helpers_uart.h Normal file
View File

@@ -0,0 +1,68 @@
/* Microchip Technology Inc. and its subsidiaries. You may use this software
* and any derivatives exclusively with Microchip products.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
* EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
* WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
* PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
* WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.
*
* IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
* INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
* WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
* BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
* FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS
* IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF
* ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* MICROCHIP PROVIDES THIS SOFTWARE CONDITIONALLY UPON YOUR ACCEPTANCE OF THESE
* TERMS.
*/
/*
* File:
* Author:
* Comments:
* Revision history:
*/
// This is a guard condition so that contents of this file are not included
// more than once.
#ifndef HELPER_UART_H
#define HELPER_UART_H
#include <xc.h> // include processor files - each processor file is guarded.
char array[16];
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <avr/io.h>
#include <string.h>
#define USART0_BAUD_RATE(BAUD_RATE) ((float)(3333333 * 64 / (16 * (float)BAUD_RATE)) + 0.5)
void USART0_init(void);
void USART0_sendChar(char c);
void USART0_sendString(const char *str);
void uart_print_uint16(uint16_t meas, const char* buf);
void uart_print_float(float meas, const char* buf);
void uart_print_binary(unsigned char vin, const char* buf);
void uart_print_uint8(uint8_t vin, const char* buf);
void uart_print_bool(bool din, const char* buf);
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
// TODO If C++ is being used, regular C code needs function names to have C
// linkage so the functions can be used by the c code.
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* XC_HEADER_TEMPLATE_H */

100
interrupt_avr8.h Normal file
View File

@@ -0,0 +1,100 @@
/**
@Company
Microchip Technology Inc.
@Description
This Source file provides APIs.
Generation Information :
Driver Version : 1.0.0
*/
/*
(c) 2018 Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip software and any
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
license terms applicable to your use of third party software (including open source software) that
may accompany Microchip software.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
FOR A PARTICULAR PURPOSE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
SOFTWARE.
*/
/**
* \defgroup doc_driver_utils_interrupts ISR abstraction
* \ingroup doc_driver_utils
*
* Interrupt-related functionality.
*
* \{
*/
#ifndef UTILS_INTERRUPT_AVR8_H
#define UTILS_INTERRUPT_AVR8_H
/**
* \weakgroup interrupt_group
*
* @{
*/
#ifdef ISR_CUSTOM_H
#include ISR_CUSTOM_H
#else
/**
* \def ISR
* \brief Define service routine for specified interrupt vector
*
* Usage:
* \code
ISR(FOO_vect)
{
...
}
\endcode
*
* \param vect Interrupt vector name as found in the device header files.
*/
#if defined(__DOXYGEN__)
#define ISR(vect)
#elif defined(__GNUC__)
#include <avr/interrupt.h>
#elif defined(__ICCAVR__)
#define __ISR(x) _Pragma(#x)
#define ISR(vect) __ISR(vector = vect) __interrupt void handler_##vect(void)
#endif
#endif // ISR_CUSTOM_H
#ifdef __GNUC__
#define cpu_irq_enable() sei()
#define cpu_irq_disable() cli()
#else
#define cpu_irq_enable() __enable_interrupt()
#define cpu_irq_disable() __disable_interrupt()
#endif
//! @}
/**
* \weakgroup interrupt_deprecated_group
* @{
*/
// Deprecated definitions.
#define Enable_global_interrupt() cpu_irq_enable()
#define Disable_global_interrupt() cpu_irq_disable()
#define Is_global_interrupt_enabled() cpu_irq_is_enabled()
//! @}
#endif /* UTILS_INTERRUPT_AVR8_H */

432
main.c Normal file
View File

@@ -0,0 +1,432 @@
/*
* File: main.c
* Author: thebears
*
* Created on September 13, 2021, 3:12 PM
*/
#define F_CPU 3333333
#define USART0_BAUD_RATE(BAUD_RATE) ((float)(3333333 * 64 / (16 * (float)BAUD_RATE)) + 0.5)
#include <avr/io.h>
#include <stdbool.h>
#include <util/delay.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "helpers_uart.h"
//#include "helpers_i2c.h"
#include <avr/interrupt.h>
#include <xc.h>
#include "twi0_master_example.h"
uint16_t adcVal;
uint8_t val;
void ADC0_init(void);
uint16_t ADC0_read_a(void);
uint16_t ADC0_read_b(void);
bool limit_zoom = false;
bool limit_focus = false;
uint16_t step_n_zoom = 0;
uint16_t step_n_focus = 0;
uint16_t step_n_iris = 0;
#define max_zoom_steps 2994
#define max_focus_steps 5180
#define max_iris_steps 77
uint8_t phase;
int8_t last_dir_zoom = 0;
int8_t last_dir_focus = 0;
bool focus_iris_max;
bool focus_iris_min;
bool focus_zoom_max;
bool focus_zoom_min;
bool focus_past_max;
bool focus_past_min;
// Zoom
#define m1_p1 2
#define m1_p2 3
#define m1_p3 4
#define m1_p4 5
#define deltime1 750
// Focus
#define m2_p1 5
#define m2_p2 4
#define m2_p3 1
#define m2_p4 0
#define deltime2 750
// P-Iris
#define m3_p1 4
#define m3_p2 5
#define m3_p3 6
#define m3_p4 7
#define deltime3 2500
#define delay_time 100
void step_phased(struct PORT_struct * p1, struct PORT_struct * p2, struct PORT_struct * p3, struct PORT_struct * p4, uint8_t m1, uint8_t m2, uint8_t m3, uint8_t m4, uint8_t phase) {
if (phase == 0) {
p1->OUTSET = _BV(m1);
p2->OUTCLR = _BV(m2);
p3->OUTSET = _BV(m3);
p4->OUTCLR = _BV(m4);
} else if (phase == 1) {
p1->OUTCLR = _BV(m1);
p2->OUTSET = _BV(m2);
p3->OUTSET = _BV(m3);
p4->OUTCLR = _BV(m4);
} else if (phase == 2) {
p1->OUTCLR = _BV(m1);
p2->OUTSET = _BV(m2);
p3->OUTCLR = _BV(m3);
p4->OUTSET = _BV(m4);
} else if (phase == 3) {
p1->OUTSET = _BV(m1);
p2->OUTCLR = _BV(m2);
p3->OUTCLR = _BV(m3);
p4->OUTSET = _BV(m4);
}
}
void step_iris_phased(int steps) {
for (int i = 0; i < abs(steps); i++) {
phase = abs(step_n_iris % 4);
focus_iris_max = (step_n_iris >= max_iris_steps) && (steps > 0);
focus_iris_min = (step_n_iris <= 0) && (steps < 0);
if (focus_iris_max || focus_iris_min) {
return;
}
step_phased(&PORTC, &PORTC, &PORTC, &PORTC, m3_p1, m3_p2, m3_p3, m3_p4, phase);
_delay_us(deltime3);
if (steps > 0) {
step_n_iris++;
} else if (steps < 0) {
step_n_iris--;
}
}
}
void step_zoom_phased(int steps) {
for (int i = 0; i < abs(steps); i++) {
phase = abs(step_n_zoom % 4);
focus_zoom_max = (step_n_zoom >= max_zoom_steps) && (steps > 0);
focus_zoom_min = (step_n_zoom <= 0) && (steps < 0);
if (focus_zoom_max || focus_zoom_min) {
return;
}
step_phased(&PORTA, &PORTA, &PORTA, &PORTA, m1_p1, m1_p2, m1_p3, m1_p4, phase);
_delay_us(deltime1);
if (steps > 0) {
step_n_zoom++;
} else if (steps < 0) {
step_n_zoom--;
}
}
}
void step_focus_phased(int steps) {
for (int i = 0; i < abs(steps); i++) {
focus_past_max = (step_n_focus >= max_focus_steps) && (steps > 0);
focus_past_min = (step_n_focus <= 0) && (steps < 0);
if (focus_past_max || focus_past_min) {
return;
}
phase = abs(step_n_focus % 4);
step_phased(&PORTB, &PORTB, &PORTC, &PORTC, m2_p1, m2_p2, m2_p3, m2_p4, phase);
_delay_us(deltime2);
if (steps > 0) {
step_n_focus++;
} else if (steps < 0) {
step_n_focus--;
}
}
}
bool update_zoom_limit() {
if (PORTD.IN & PIN0_bm) {
limit_zoom = false;
} else {
limit_zoom = true;
}
return limit_zoom;
}
bool update_focus_limit() {
if (PORTD.IN & PIN1_bm) {
limit_focus = false;
} else {
limit_focus = true;
}
return limit_focus;
}
void ir_filter_on() {
PORTB.OUTCLR = _BV(2);
PORTB.OUTSET = _BV(3);
_delay_ms(100);
PORTB.OUTCLR = _BV(3);
}
void ir_filter_off() {
PORTB.OUTCLR = _BV(3);
PORTB.OUTSET = _BV(2);
_delay_ms(100);
PORTB.OUTCLR = _BV(2);
}
void home_focus() {
step_n_focus = max_focus_steps + 200;
step_focus_phased(-100);
for (int i = 0; i < max_focus_steps; i++) {
step_focus_phased(-1);
if (update_focus_limit()) {
break;
}
}
step_n_focus = 0;
}
void home_zoom() {
step_n_zoom = max_zoom_steps + 200;
step_zoom_phased(-100);
for (int i = 0; i < max_zoom_steps; i++) {
step_zoom_phased(-1);
if (update_zoom_limit()) {
break;
}
}
step_n_zoom = 0;
}
void home_iris() {
step_n_iris = max_iris_steps + 200;
step_iris_phased(-100);
step_n_iris = 0;
}
ISR(PORTD_PORT_vect) {
if (PORTD.INTFLAGS & PIN1_bm) {
update_focus_limit();
PORTD.INTFLAGS &= PIN1_bm;
} else if (PORTD.INTFLAGS & PIN0_bm) {
update_zoom_limit();
PORTD.INTFLAGS &= PIN0_bm;
};
}
int main(void) {
PORTA.OUTSET = _BV(6);
PORTD.DIRCLR = PIN0_bm;
PORTD.DIRCLR = PIN1_bm;
PORTD.PIN0CTRL |= PORT_ISC_BOTHEDGES_gc;
PORTD.PIN1CTRL |= PORT_ISC_BOTHEDGES_gc;
// Turn on 3.3V relay
PORTA.DIRSET = _BV(6);
// Zoom
PORTA.DIRSET = _BV(m1_p1);
PORTA.DIRSET = _BV(m1_p4);
PORTA.DIRSET = _BV(m1_p2);
PORTA.DIRSET = _BV(m1_p3);
// Focus
PORTB.DIRSET = _BV(m2_p1);
PORTB.DIRSET = _BV(m2_p2);
PORTC.DIRSET = _BV(m2_p3);
PORTC.DIRSET = _BV(m2_p4);
// Iris motor
PORTC.DIRSET = _BV(m3_p1);
PORTC.DIRSET = _BV(m3_p2);
PORTC.DIRSET = _BV(m3_p3);
PORTC.DIRSET = _BV(m3_p4);
// IR Filter
PORTB.DIRSET = _BV(2);
PORTB.DIRSET = _BV(3);
// sei();
PORTMUX.TWISPIROUTEA = 0x23;
_delay_ms(250);
I2C0_Initialize();
I2C0_example_write1ByteRegister(32, 0x00, 0x00);
I2C0_example_write1ByteRegister(32, 0x09, 0xFF);
USART0_init();
USART0_sendString("Started\n");
_delay_ms(250);
I2C0_example_write1ByteRegister(32, 0x09, 0x00);
_delay_ms(250);
I2C0_example_write1ByteRegister(32, 0x09, 0xFF);
USART0_sendString("focus->");
home_focus();
USART0_sendString("\niris->");
home_iris();
USART0_sendString("\nhome->");
home_zoom();
USART0_sendString("\n");
while (1) {
step_zoom_phased(6000);
step_iris_phased(100);
step_focus_phased(2000);
step_zoom_phased(-6000);
//
step_iris_phased(-100);
step_focus_phased(-2000);
_delay_ms(250);
// ir_filter_off();
// step_iris_phased(76);
// step_iris_phased(-76);
// _delay_ms(25);
// ir_filter_on();
// step_iris(19);
//_delay_ms(250);
// _delay_ms(500);
// _delay_ms(500);
//
// step_focus(1000);
// step_focus(-1000);
// limit_focus = false;
// step_focus(-1000);
// limit_focus = false;
// step_zoom(1000);
// limit_zoom = false;
// step_zoom(-1000);
// limit_zoom = false;
// step_focus(1000);
// if (limit_focus)
// {
// limit_focus = false;
// step_focus(-1000);
// }
// step(1000);
// step2(1000);
// _delay_ms(100);
USART0_sendString("-");
// uart_print_uint8(PORTD.IN & PIN0_bm,"p0 ");
// uart_print_uint8(PORTD.IN & PIN1_bm,"p1 \n ")
// step2(1000);
// PORTA.OUTSET = _BV(m1_p1);
// PORTA.OUTSET = _BV(m1_p2);
// PORTA.OUTSET = _BV(m1_p3);
// PORTA.OUTSET = _BV(m1_p4);
//
// PORTB.OUTSET = _BV(m2_p1);
// PORTB.OUTSET = _BV(m2_p2);
// PORTC.OUTSET = _BV(m2_p3);
// PORTC.OUTSET = _BV(m2_p4);
// uart_print_binary(val, " \n");
// adcVal = ADC0_read_a();
// uart_print_uint8(adcVal, " ");
// adcVal = ADC0_read_b();
// uart_print_uint8(adcVal, " ");
// step();
// step2();
// USART0_sendString("---\n");
}
return 0;
}
void ADC0_init(void) {
PORTD.PIN0CTRL &= ~PORT_ISC_gm;
PORTD.PIN0CTRL |= PORT_ISC_INPUT_DISABLE_gc;
PORTD.PIN0CTRL &= ~PORT_PULLUPEN_bm;
PORTD.PIN1CTRL &= ~PORT_ISC_gm;
PORTD.PIN1CTRL |= PORT_ISC_INPUT_DISABLE_gc;
PORTD.PIN1CTRL &= ~PORT_PULLUPEN_bm;
ADC0.CTRLC = ADC_PRESC_DIV4_gc
| ADC_REFSEL_VDDREF_gc;
ADC0.CTRLA = ADC_ENABLE_bm /* ADC Enable: enabled */
| ADC_RESSEL_10BIT_gc; /* 10-bit mode */
/* Select ADC channel */
}
uint16_t ADC0_read_a(void) {
/* Start ADC conversion */
/* Start ADC conversion */
ADC0.MUXPOS = ADC_MUXPOS_AIN0_gc;
ADC0.COMMAND = ADC_STCONV_bm;
/* Wait until ADC conversion done */
while (!(ADC0.INTFLAGS & ADC_RESRDY_bm)) {
;
}
/* Clear the interrupt flag by writing 1: */
ADC0.INTFLAGS = ADC_RESRDY_bm;
return ADC0.RES;
}
uint16_t ADC0_read_b(void) {
/* Start ADC conversion */
/* Start ADC conversion */
ADC0.MUXPOS = ADC_MUXPOS_AIN1_gc;
ADC0.COMMAND = ADC_STCONV_bm;
/* Wait until ADC conversion done */
while (!(ADC0.INTFLAGS & ADC_RESRDY_bm)) {
;
}
/* Clear the interrupt flag by writing 1: */
ADC0.INTFLAGS = ADC_RESRDY_bm;
return ADC0.RES;
}

266
nbproject/configurations (SFConflict ispatel@live.com 2021-09-15-19-01-48).xml Normal file
View File

@@ -0,0 +1,266 @@
<?xml version="1.0" encoding="UTF-8"?>
<configurationDescriptor version="65">
<logicalFolder name="root" displayName="root" projectFiles="true">
<logicalFolder name="HeaderFiles"
displayName="Header Files"
projectFiles="true">
<itemPath>helpers_uart.h</itemPath>
<itemPath>helpers_i2c.h</itemPath>
</logicalFolder>
<logicalFolder name="LinkerScript"
displayName="Linker Files"
projectFiles="true">
</logicalFolder>
<logicalFolder name="SourceFiles"
displayName="Source Files"
projectFiles="true">
<itemPath>helpers_uart.c</itemPath>
<itemPath>helpers_i2c.c</itemPath>
</logicalFolder>
<logicalFolder name="ExternalFiles"
displayName="Important Files"
projectFiles="false">
<itemPath>Makefile</itemPath>
</logicalFolder>
<itemPath>main.c</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/src/twi0_master.c</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/include/twi0_master.h</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/examples/twi0_master_example.c</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/examples/twi0_master_example.h</itemPath>
</logicalFolder>
<sourceRootList>
<Elem>../camera_ptz.X/mcc_generated_files/src</Elem>
<Elem>../camera_ptz.X/mcc_generated_files/include</Elem>
<Elem>../camera_ptz.X/mcc_generated_files/examples</Elem>
</sourceRootList>
<projectmakefile>Makefile</projectmakefile>
<confs>
<conf name="default" type="2">
<toolsSet>
<developmentServer>localhost</developmentServer>
<targetDevice>ATmega4809</targetDevice>
<targetHeader></targetHeader>
<targetPluginBoard></targetPluginBoard>
<platformTool>AtmelIceTool</platformTool>
<languageToolchain>XC8</languageToolchain>
<languageToolchainVersion>2.32</languageToolchainVersion>
<platform>2</platform>
</toolsSet>
<packs>
<pack name="ATmega_DFP" vendor="Microchip" version="2.3.126"/>
</packs>
<ScriptingSettings>
</ScriptingSettings>
<compileType>
<linkerTool>
<linkerLibItems>
</linkerLibItems>
</linkerTool>
<archiverTool>
</archiverTool>
<loading>
<useAlternateLoadableFile>false</useAlternateLoadableFile>
<parseOnProdLoad>false</parseOnProdLoad>
<alternateLoadableFile></alternateLoadableFile>
</loading>
<subordinates>
</subordinates>
</compileType>
<makeCustomizationType>
<makeCustomizationPreStepEnabled>false</makeCustomizationPreStepEnabled>
<makeUseCleanTarget>false</makeUseCleanTarget>
<makeCustomizationPreStep></makeCustomizationPreStep>
<makeCustomizationPostStepEnabled>false</makeCustomizationPostStepEnabled>
<makeCustomizationPostStep></makeCustomizationPostStep>
<makeCustomizationPutChecksumInUserID>false</makeCustomizationPutChecksumInUserID>
<makeCustomizationEnableLongLines>false</makeCustomizationEnableLongLines>
<makeCustomizationNormalizeHexFile>false</makeCustomizationNormalizeHexFile>
</makeCustomizationType>
<AtmelIceTool>
<property key="AutoSelectMemRanges" value="auto"/>
<property key="communication.activationmode" value="nohv"/>
<property key="communication.interface" value="updi"/>
<property key="communication.speed" value="0.500"/>
<property key="debugoptions.useswbreakpoints" value="false"/>
<property key="firmware.path"
value="Press to browse for a specific firmware version"/>
<property key="firmware.toolpack"
value="Press to select which tool pack to use"/>
<property key="firmware.update.action" value="firmware.update.use.latest"/>
<property key="freeze.timers" value="false"/>
<property key="memories.aux" value="false"/>
<property key="memories.bootflash" value="true"/>
<property key="memories.configurationmemory" value="true"/>
<property key="memories.configurationmemory2" value="true"/>
<property key="memories.dataflash" value="true"/>
<property key="memories.eeprom" value="true"/>
<property key="memories.exclude.configurationmemory" value="true"/>
<property key="memories.flashdata" value="true"/>
<property key="memories.id" value="true"/>
<property key="memories.instruction.ram.ranges"
value="${memories.instruction.ram.ranges}"/>
<property key="memories.programmemory" value="true"/>
<property key="memories.programmemory.ranges" value="0-5fff"/>
<property key="memories.rww" value="true"/>
<property key="poweroptions.powerenable" value="false"/>
<property key="programoptions.eraseb4program" value="true"/>
<property key="programoptions.preservedataflash" value="false"/>
<property key="programoptions.preservedataflash.ranges"
value="${memories.dataflash.default}"/>
<property key="programoptions.preserveeeprom" value="false"/>
<property key="programoptions.preserveeeprom.ranges" value="1400-14ff"/>
<property key="programoptions.preserveprogram.ranges" value=""/>
<property key="programoptions.preserveprogramrange" value="false"/>
<property key="programoptions.preserveuserid" value="false"/>
<property key="programoptions.programuserotp" value="false"/>
<property key="toolpack.updateoptions"
value="toolpack.updateoptions.uselatestoolpack"/>
<property key="toolpack.updateoptions.packversion"
value="Press to select which tool pack to use"/>
<property key="voltagevalue" value=""/>
</AtmelIceTool>
<HI-TECH-COMP>
<property key="additional-warnings" value="true"/>
<property key="asmlist" value="true"/>
<property key="call-prologues" value="false"/>
<property key="default-bitfield-type" value="true"/>
<property key="default-char-type" value="true"/>
<property key="define-macros" value=""/>
<property key="disable-optimizations" value="false"/>
<property key="extra-include-directories" value=""/>
<property key="favor-optimization-for" value="-speed,+space"/>
<property key="garbage-collect-data" value="true"/>
<property key="garbage-collect-functions" value="true"/>
<property key="identifier-length" value="255"/>
<property key="local-generation" value="false"/>
<property key="operation-mode" value="free"/>
<property key="opt-xc8-compiler-strict_ansi" value="false"/>
<property key="optimization-assembler" value="true"/>
<property key="optimization-assembler-files" value="true"/>
<property key="optimization-debug" value="false"/>
<property key="optimization-invariant-enable" value="false"/>
<property key="optimization-invariant-value" value="16"/>
<property key="optimization-level" value="-O1"/>
<property key="optimization-speed" value="false"/>
<property key="optimization-stable-enable" value="false"/>
<property key="preprocess-assembler" value="true"/>
<property key="short-enums" value="true"/>
<property key="tentative-definitions" value=""/>
<property key="undefine-macros" value=""/>
<property key="use-cci" value="false"/>
<property key="use-iar" value="false"/>
<property key="verbose" value="false"/>
<property key="warning-level" value="-3"/>
<property key="what-to-do" value="ignore"/>
</HI-TECH-COMP>
<HI-TECH-LINK>
<property key="additional-options-checksum" value=""/>
<property key="additional-options-code-offset" value=""/>
<property key="additional-options-command-line" value=""/>
<property key="additional-options-errata" value=""/>
<property key="additional-options-extend-address" value="false"/>
<property key="additional-options-trace-type" value=""/>
<property key="additional-options-use-response-files" value="false"/>
<property key="backup-reset-condition-flags" value="false"/>
<property key="calibrate-oscillator" value="false"/>
<property key="calibrate-oscillator-value" value="0x3400"/>
<property key="clear-bss" value="true"/>
<property key="code-model-external" value="wordwrite"/>
<property key="code-model-rom" value=""/>
<property key="create-html-files" value="false"/>
<property key="data-model-ram" value=""/>
<property key="data-model-size-of-double" value="24"/>
<property key="data-model-size-of-double-gcc" value="no-short-double"/>
<property key="data-model-size-of-float" value="24"/>
<property key="data-model-size-of-float-gcc" value="no-short-float"/>
<property key="display-class-usage" value="false"/>
<property key="display-hex-usage" value="false"/>
<property key="display-overall-usage" value="true"/>
<property key="display-psect-usage" value="false"/>
<property key="extra-lib-directories" value=""/>
<property key="fill-flash-options-addr" value=""/>
<property key="fill-flash-options-const" value=""/>
<property key="fill-flash-options-how" value="0"/>
<property key="fill-flash-options-inc-const" value="1"/>
<property key="fill-flash-options-increment" value=""/>
<property key="fill-flash-options-seq" value=""/>
<property key="fill-flash-options-what" value="0"/>
<property key="format-hex-file-for-download" value="false"/>
<property key="initialize-data" value="true"/>
<property key="input-libraries" value="libm"/>
<property key="keep-generated-startup.as" value="false"/>
<property key="link-in-c-library" value="true"/>
<property key="link-in-c-library-gcc" value=""/>
<property key="link-in-peripheral-library" value="false"/>
<property key="managed-stack" value="false"/>
<property key="opt-xc8-linker-file" value="false"/>
<property key="opt-xc8-linker-link_startup" value="false"/>
<property key="opt-xc8-linker-serial" value=""/>
<property key="program-the-device-with-default-config-words" value="true"/>
<property key="remove-unused-sections" value="true"/>
</HI-TECH-LINK>
<Tool>
<property key="AutoSelectMemRanges" value="auto"/>
<property key="communication.activationmode" value="nohv"/>
<property key="communication.interface" value="updi"/>
<property key="communication.speed" value="0.500"/>
<property key="debugoptions.useswbreakpoints" value="false"/>
<property key="firmware.path"
value="Press to browse for a specific firmware version"/>
<property key="firmware.toolpack"
value="Press to select which tool pack to use"/>
<property key="firmware.update.action" value="firmware.update.use.latest"/>
<property key="freeze.timers" value="false"/>
<property key="memories.aux" value="false"/>
<property key="memories.bootflash" value="true"/>
<property key="memories.configurationmemory" value="true"/>
<property key="memories.configurationmemory2" value="true"/>
<property key="memories.dataflash" value="true"/>
<property key="memories.eeprom" value="true"/>
<property key="memories.exclude.configurationmemory" value="true"/>
<property key="memories.flashdata" value="true"/>
<property key="memories.id" value="true"/>
<property key="memories.instruction.ram.ranges"
value="${memories.instruction.ram.ranges}"/>
<property key="memories.programmemory" value="true"/>
<property key="memories.programmemory.ranges" value="0-5fff"/>
<property key="memories.rww" value="true"/>
<property key="poweroptions.powerenable" value="false"/>
<property key="programoptions.eraseb4program" value="true"/>
<property key="programoptions.preservedataflash" value="false"/>
<property key="programoptions.preservedataflash.ranges"
value="${memories.dataflash.default}"/>
<property key="programoptions.preserveeeprom" value="false"/>
<property key="programoptions.preserveeeprom.ranges" value="1400-14ff"/>
<property key="programoptions.preserveprogram.ranges" value=""/>
<property key="programoptions.preserveprogramrange" value="false"/>
<property key="programoptions.preserveuserid" value="false"/>
<property key="programoptions.programuserotp" value="false"/>
<property key="toolpack.updateoptions"
value="toolpack.updateoptions.uselatestoolpack"/>
<property key="toolpack.updateoptions.packversion"
value="Press to select which tool pack to use"/>
<property key="voltagevalue" value=""/>
</Tool>
<XC8-CO>
<property key="coverage-enable" value=""/>
<property key="stack-guidance" value="false"/>
</XC8-CO>
<XC8-config-global>
<property key="advanced-elf" value="true"/>
<property key="gcc-opt-driver-new" value="true"/>
<property key="gcc-opt-std" value="-std=c99"/>
<property key="gcc-output-file-format" value="dwarf-3"/>
<property key="omit-pack-options" value="false"/>
<property key="omit-pack-options-new" value="1"/>
<property key="output-file-format" value="-mcof,+elf"/>
<property key="stack-size-high" value="auto"/>
<property key="stack-size-low" value="auto"/>
<property key="stack-size-main" value="auto"/>
<property key="stack-type" value="compiled"/>
<property key="user-pack-device-support" value=""/>
<property key="wpo-lto" value="false"/>
</XC8-config-global>
</conf>
</confs>
</configurationDescriptor>

266
nbproject/configurations.xml Normal file
View File

@@ -0,0 +1,266 @@
<?xml version="1.0" encoding="UTF-8"?>
<configurationDescriptor version="65">
<logicalFolder name="root" displayName="root" projectFiles="true">
<logicalFolder name="HeaderFiles"
displayName="Header Files"
projectFiles="true">
<itemPath>helpers_uart.h</itemPath>
<itemPath>helpers_i2c.h</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/include/twi0_master.h</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/examples/twi0_master_example.h</itemPath>
</logicalFolder>
<logicalFolder name="LinkerScript"
displayName="Linker Files"
projectFiles="true">
</logicalFolder>
<logicalFolder name="SourceFiles"
displayName="Source Files"
projectFiles="true">
<itemPath>helpers_uart.c</itemPath>
<itemPath>helpers_i2c.c</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/src/twi0_master.c</itemPath>
<itemPath>../camera_ptz.X/mcc_generated_files/examples/twi0_master_example.c</itemPath>
</logicalFolder>
<logicalFolder name="ExternalFiles"
displayName="Important Files"
projectFiles="false">
<itemPath>Makefile</itemPath>
</logicalFolder>
<itemPath>main.c</itemPath>
</logicalFolder>
<sourceRootList>
<Elem>../camera_ptz.X/mcc_generated_files/src</Elem>
<Elem>../camera_ptz.X/mcc_generated_files/include</Elem>
<Elem>../camera_ptz.X/mcc_generated_files/examples</Elem>
</sourceRootList>
<projectmakefile>Makefile</projectmakefile>
<confs>
<conf name="default" type="2">
<toolsSet>
<developmentServer>localhost</developmentServer>
<targetDevice>ATmega4809</targetDevice>
<targetHeader></targetHeader>
<targetPluginBoard></targetPluginBoard>
<platformTool>AtmelIceTool</platformTool>
<languageToolchain>XC8</languageToolchain>
<languageToolchainVersion>2.32</languageToolchainVersion>
<platform>2</platform>
</toolsSet>
<packs>
<pack name="ATmega_DFP" vendor="Microchip" version="2.3.126"/>
</packs>
<ScriptingSettings>
</ScriptingSettings>
<compileType>
<linkerTool>
<linkerLibItems>
</linkerLibItems>
</linkerTool>
<archiverTool>
</archiverTool>
<loading>
<useAlternateLoadableFile>false</useAlternateLoadableFile>
<parseOnProdLoad>false</parseOnProdLoad>
<alternateLoadableFile></alternateLoadableFile>
</loading>
<subordinates>
</subordinates>
</compileType>
<makeCustomizationType>
<makeCustomizationPreStepEnabled>false</makeCustomizationPreStepEnabled>
<makeUseCleanTarget>false</makeUseCleanTarget>
<makeCustomizationPreStep></makeCustomizationPreStep>
<makeCustomizationPostStepEnabled>false</makeCustomizationPostStepEnabled>
<makeCustomizationPostStep></makeCustomizationPostStep>
<makeCustomizationPutChecksumInUserID>false</makeCustomizationPutChecksumInUserID>
<makeCustomizationEnableLongLines>false</makeCustomizationEnableLongLines>
<makeCustomizationNormalizeHexFile>false</makeCustomizationNormalizeHexFile>
</makeCustomizationType>
<AtmelIceTool>
<property key="AutoSelectMemRanges" value="auto"/>
<property key="communication.activationmode" value="nohv"/>
<property key="communication.interface" value="updi"/>
<property key="communication.speed" value="0.500"/>
<property key="debugoptions.useswbreakpoints" value="false"/>
<property key="firmware.path"
value="Press to browse for a specific firmware version"/>
<property key="firmware.toolpack"
value="Press to select which tool pack to use"/>
<property key="firmware.update.action" value="firmware.update.use.latest"/>
<property key="freeze.timers" value="false"/>
<property key="memories.aux" value="false"/>
<property key="memories.bootflash" value="true"/>
<property key="memories.configurationmemory" value="true"/>
<property key="memories.configurationmemory2" value="true"/>
<property key="memories.dataflash" value="true"/>
<property key="memories.eeprom" value="true"/>
<property key="memories.exclude.configurationmemory" value="true"/>
<property key="memories.flashdata" value="true"/>
<property key="memories.id" value="true"/>
<property key="memories.instruction.ram.ranges"
value="${memories.instruction.ram.ranges}"/>
<property key="memories.programmemory" value="true"/>
<property key="memories.programmemory.ranges" value="0-5fff"/>
<property key="memories.rww" value="true"/>
<property key="poweroptions.powerenable" value="false"/>
<property key="programoptions.eraseb4program" value="true"/>
<property key="programoptions.preservedataflash" value="false"/>
<property key="programoptions.preservedataflash.ranges"
value="${memories.dataflash.default}"/>
<property key="programoptions.preserveeeprom" value="false"/>
<property key="programoptions.preserveeeprom.ranges" value="1400-14ff"/>
<property key="programoptions.preserveprogram.ranges" value=""/>
<property key="programoptions.preserveprogramrange" value="false"/>
<property key="programoptions.preserveuserid" value="false"/>
<property key="programoptions.programuserotp" value="false"/>
<property key="toolpack.updateoptions"
value="toolpack.updateoptions.uselatestoolpack"/>
<property key="toolpack.updateoptions.packversion"
value="Press to select which tool pack to use"/>
<property key="voltagevalue" value=""/>
</AtmelIceTool>
<HI-TECH-COMP>
<property key="additional-warnings" value="true"/>
<property key="asmlist" value="true"/>
<property key="call-prologues" value="false"/>
<property key="default-bitfield-type" value="true"/>
<property key="default-char-type" value="true"/>
<property key="define-macros" value=""/>
<property key="disable-optimizations" value="false"/>
<property key="extra-include-directories" value=""/>
<property key="favor-optimization-for" value="-speed,+space"/>
<property key="garbage-collect-data" value="true"/>
<property key="garbage-collect-functions" value="true"/>
<property key="identifier-length" value="255"/>
<property key="local-generation" value="false"/>
<property key="operation-mode" value="free"/>
<property key="opt-xc8-compiler-strict_ansi" value="false"/>
<property key="optimization-assembler" value="true"/>
<property key="optimization-assembler-files" value="true"/>
<property key="optimization-debug" value="false"/>
<property key="optimization-invariant-enable" value="false"/>
<property key="optimization-invariant-value" value="16"/>
<property key="optimization-level" value="-O1"/>
<property key="optimization-speed" value="false"/>
<property key="optimization-stable-enable" value="false"/>
<property key="preprocess-assembler" value="true"/>
<property key="short-enums" value="true"/>
<property key="tentative-definitions" value=""/>
<property key="undefine-macros" value=""/>
<property key="use-cci" value="false"/>
<property key="use-iar" value="false"/>
<property key="verbose" value="false"/>
<property key="warning-level" value="-3"/>
<property key="what-to-do" value="ignore"/>
</HI-TECH-COMP>
<HI-TECH-LINK>
<property key="additional-options-checksum" value=""/>
<property key="additional-options-code-offset" value=""/>
<property key="additional-options-command-line" value=""/>
<property key="additional-options-errata" value=""/>
<property key="additional-options-extend-address" value="false"/>
<property key="additional-options-trace-type" value=""/>
<property key="additional-options-use-response-files" value="false"/>
<property key="backup-reset-condition-flags" value="false"/>
<property key="calibrate-oscillator" value="false"/>
<property key="calibrate-oscillator-value" value="0x3400"/>
<property key="clear-bss" value="true"/>
<property key="code-model-external" value="wordwrite"/>
<property key="code-model-rom" value=""/>
<property key="create-html-files" value="false"/>
<property key="data-model-ram" value=""/>
<property key="data-model-size-of-double" value="24"/>
<property key="data-model-size-of-double-gcc" value="no-short-double"/>
<property key="data-model-size-of-float" value="24"/>
<property key="data-model-size-of-float-gcc" value="no-short-float"/>
<property key="display-class-usage" value="false"/>
<property key="display-hex-usage" value="false"/>
<property key="display-overall-usage" value="true"/>
<property key="display-psect-usage" value="false"/>
<property key="extra-lib-directories" value=""/>
<property key="fill-flash-options-addr" value=""/>
<property key="fill-flash-options-const" value=""/>
<property key="fill-flash-options-how" value="0"/>
<property key="fill-flash-options-inc-const" value="1"/>
<property key="fill-flash-options-increment" value=""/>
<property key="fill-flash-options-seq" value=""/>
<property key="fill-flash-options-what" value="0"/>
<property key="format-hex-file-for-download" value="false"/>
<property key="initialize-data" value="true"/>
<property key="input-libraries" value="libm"/>
<property key="keep-generated-startup.as" value="false"/>
<property key="link-in-c-library" value="true"/>
<property key="link-in-c-library-gcc" value=""/>
<property key="link-in-peripheral-library" value="false"/>
<property key="managed-stack" value="false"/>
<property key="opt-xc8-linker-file" value="false"/>
<property key="opt-xc8-linker-link_startup" value="false"/>
<property key="opt-xc8-linker-serial" value=""/>
<property key="program-the-device-with-default-config-words" value="true"/>
<property key="remove-unused-sections" value="true"/>
</HI-TECH-LINK>
<Tool>
<property key="AutoSelectMemRanges" value="auto"/>
<property key="communication.activationmode" value="nohv"/>
<property key="communication.interface" value="updi"/>
<property key="communication.speed" value="0.500"/>
<property key="debugoptions.useswbreakpoints" value="false"/>
<property key="firmware.path"
value="Press to browse for a specific firmware version"/>
<property key="firmware.toolpack"
value="Press to select which tool pack to use"/>
<property key="firmware.update.action" value="firmware.update.use.latest"/>
<property key="freeze.timers" value="false"/>
<property key="memories.aux" value="false"/>
<property key="memories.bootflash" value="true"/>
<property key="memories.configurationmemory" value="true"/>
<property key="memories.configurationmemory2" value="true"/>
<property key="memories.dataflash" value="true"/>
<property key="memories.eeprom" value="true"/>
<property key="memories.exclude.configurationmemory" value="true"/>
<property key="memories.flashdata" value="true"/>
<property key="memories.id" value="true"/>
<property key="memories.instruction.ram.ranges"
value="${memories.instruction.ram.ranges}"/>
<property key="memories.programmemory" value="true"/>
<property key="memories.programmemory.ranges" value="0-5fff"/>
<property key="memories.rww" value="true"/>
<property key="poweroptions.powerenable" value="false"/>
<property key="programoptions.eraseb4program" value="true"/>
<property key="programoptions.preservedataflash" value="false"/>
<property key="programoptions.preservedataflash.ranges"
value="${memories.dataflash.default}"/>
<property key="programoptions.preserveeeprom" value="false"/>
<property key="programoptions.preserveeeprom.ranges" value="1400-14ff"/>
<property key="programoptions.preserveprogram.ranges" value=""/>
<property key="programoptions.preserveprogramrange" value="false"/>
<property key="programoptions.preserveuserid" value="false"/>
<property key="programoptions.programuserotp" value="false"/>
<property key="toolpack.updateoptions"
value="toolpack.updateoptions.uselatestoolpack"/>
<property key="toolpack.updateoptions.packversion"
value="Press to select which tool pack to use"/>
<property key="voltagevalue" value=""/>
</Tool>
<XC8-CO>
<property key="coverage-enable" value=""/>
<property key="stack-guidance" value="false"/>
</XC8-CO>
<XC8-config-global>
<property key="advanced-elf" value="true"/>
<property key="gcc-opt-driver-new" value="true"/>
<property key="gcc-opt-std" value="-std=c99"/>
<property key="gcc-output-file-format" value="dwarf-3"/>
<property key="omit-pack-options" value="false"/>
<property key="omit-pack-options-new" value="1"/>
<property key="output-file-format" value="-mcof,+elf"/>
<property key="stack-size-high" value="auto"/>
<property key="stack-size-low" value="auto"/>
<property key="stack-size-main" value="auto"/>
<property key="stack-type" value="compiled"/>
<property key="user-pack-device-support" value=""/>
<property key="wpo-lto" value="false"/>
</XC8-config-global>
</conf>
</confs>
</configurationDescriptor>

31
nbproject/project (SFConflict ispatel@live.com 2021-09-15-19-01-48).xml Normal file
View File

@@ -0,0 +1,31 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://www.netbeans.org/ns/project/1">
<type>com.microchip.mplab.nbide.embedded.makeproject</type>
<configuration>
<data xmlns="http://www.netbeans.org/ns/make-project/1">
<name>birdptz</name>
<creation-uuid>e85c39d7-f632-41a5-8f48-d9660cba8332</creation-uuid>
<make-project-type>0</make-project-type>
<c-extensions>c</c-extensions>
<cpp-extensions/>
<header-extensions>h</header-extensions>
<asminc-extensions/>
<sourceEncoding>ISO-8859-1</sourceEncoding>
<make-dep-projects/>
<sourceRootList>
<sourceRootElem>../camera_ptz.X/mcc_generated_files/src</sourceRootElem>
<sourceRootElem>../camera_ptz.X/mcc_generated_files/include</sourceRootElem>
<sourceRootElem>../camera_ptz.X/mcc_generated_files/examples</sourceRootElem>
</sourceRootList>
<confList>
<confElem>
<name>default</name>
<type>2</type>
</confElem>
</confList>
<formatting>
<project-formatting-style>false</project-formatting-style>
</formatting>
</data>
</configuration>
</project>

31
nbproject/project.xml Normal file
View File

@@ -0,0 +1,31 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://www.netbeans.org/ns/project/1">
<type>com.microchip.mplab.nbide.embedded.makeproject</type>
<configuration>
<data xmlns="http://www.netbeans.org/ns/make-project/1">
<name>birdptz</name>
<creation-uuid>e85c39d7-f632-41a5-8f48-d9660cba8332</creation-uuid>
<make-project-type>0</make-project-type>
<c-extensions>c</c-extensions>
<cpp-extensions/>
<header-extensions>h</header-extensions>
<asminc-extensions/>
<sourceEncoding>ISO-8859-1</sourceEncoding>
<make-dep-projects/>
<sourceRootList>
<sourceRootElem>../camera_ptz.X/mcc_generated_files/src</sourceRootElem>
<sourceRootElem>../camera_ptz.X/mcc_generated_files/include</sourceRootElem>
<sourceRootElem>../camera_ptz.X/mcc_generated_files/examples</sourceRootElem>
</sourceRootList>
<confList>
<confElem>
<name>default</name>
<type>2</type>
</confElem>
</confList>
<formatting>
<project-formatting-style>false</project-formatting-style>
</formatting>
</data>
</configuration>
</project>

706
twi0_master.c Normal file
View File

@@ -0,0 +1,706 @@
/**
@Company
Microchip Technology Inc.
@Description
This Source file provides APIs.
Generation Information :
Driver Version : 1.0.0
*/
/*
(c) 2018 Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip software and any
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
license terms applicable to your use of third party software (including open source software) that
may accompany Microchip software.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
FOR A PARTICULAR PURPOSE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
SOFTWARE.
*/
#include "../include/twi0_master.h"
#include <stdbool.h>
#include <stdlib.h>
/***************************************************************************/
// I2C STATES
typedef enum {
I2C0_IDLE = 0,
I2C0_SEND_ADR_READ,
I2C0_SEND_ADR_WRITE,
I2C0_TX,
I2C0_RX,
I2C0_TX_EMPTY,
I2C0_SEND_RESTART_READ,
I2C0_SEND_RESTART_WRITE,
I2C0_SEND_RESTART,
I2C0_SEND_STOP,
I2C0_RX_DO_ACK,
I2C0_TX_DO_ACK,
I2C0_RX_DO_RX_NACK_STOP,
I2C0_RX_DO_NACK_RESTART,
I2C0_RESET,
I2C0_ADDRESS_NACK,
I2C0_BUS_COLLISION,
I2C0_BUS_ERROR
} twi0_fsm_states_t;
// I2C Event Callback List
typedef enum {
I2C0_DATA_COMPLETE = 0,
I2C0_WRITE_COLLISION,
I2C0_ADDRESSNACK,
I2C0_DATA_NACK,
I2C0_TIMEOUT,
I2C0_NULL
} I2C0_callbackIndex_t;
// I2C Status Structure
typedef struct {
twi0_callback_t callbackTable[6];
void * callbackPayload[6];
uint16_t timeout;
uint16_t timeout_value;
twi0_address_t address;
uint8_t * data_ptr;
size_t data_length;
twi0_fsm_states_t state;
twi0_error_t error;
unsigned addressNACKCheck : 1;
unsigned busy : 1;
unsigned inUse : 1;
unsigned bufferFree : 1;
/*if timeoutDriverEnabled
timerStruct_t timeout;
*/
} I2C0_status_t;
I2C0_status_t I2C0_status = {0};
typedef twi0_fsm_states_t(stateHandlerFunction)(void);
/* I2C Interfaces */
void I2C0_Poller(void);
/* I2C Internal API's */
/* Master */
void I2C0_MasterOpen(void);
void I2C0_MasterClose(void);
char I2C0_MasterGetRxData(void);
void I2C0_MasterTxData(char d);
void I2C0_MasterTxAddr(char d);
void I2C0_MasterResetBus(void);
void I2C0_MasterIsRxOrTx(void);
void I2C0_MasterStop(void);
bool I2C0_MasterIsNack(void);
void I2C0_MasterSendAck(void);
void I2C0_MasterSendNack(void);
void I2C0_MasterClearBusCollision(void);
bool I2C0_MasterBusErrorOverride();
bool I2C0_MasterArbitrationlostOverride(void);
void I2C0_MasterEnableIrq(void);
bool I2C0_MasterIsIrqEnabled(void);
void I2C0_MasterDisableIrq(void);
void I2C0_MasterClearIrq(void);
void I2C0_MasterWaitForEvent(void);
static void I2C0_set_callback(I2C0_callbackIndex_t idx, twi0_callback_t cb, void *funPtr);
static twi0_operations_t I2C0_RETURN_STOP(void *funPtr);
static twi0_operations_t I2C0_RETURN_RESET(void *funPtr);
static void I2C0_MasterIsr(void);
/* Helper Functions */
static twi0_fsm_states_t I2C0_DO_IDLE(void);
static twi0_fsm_states_t I2C0_DO_SEND_ADR_READ(void);
static twi0_fsm_states_t I2C0_DO_SEND_ADR_WRITE(void);
static twi0_fsm_states_t I2C0_DO_TX(void);
static twi0_fsm_states_t I2C0_DO_RX(void);
static twi0_fsm_states_t I2C0_DO_TX_EMPTY(void);
static twi0_fsm_states_t I2C0_DO_SEND_RESTART_READ(void);
static twi0_fsm_states_t I2C0_DO_SEND_RESTART_WRITE(void);
static twi0_fsm_states_t I2C0_DO_SEND_RESTART(void);
static twi0_fsm_states_t I2C0_DO_SEND_STOP(void);
static twi0_fsm_states_t I2C0_DO_RX_ACK(void);
static twi0_fsm_states_t I2C0_DO_TX_ACK(void);
static twi0_fsm_states_t I2C0_DO_RX_NACK_STOP(void);
static twi0_fsm_states_t I2C0_DO_RX_NACK_RESTART(void);
static twi0_fsm_states_t I2C0_DO_RESET(void);
static twi0_fsm_states_t I2C0_DO_ADDRESS_NACK(void);
static twi0_fsm_states_t I2C0_DO_BUS_COLLISION(void);
static twi0_fsm_states_t I2C0_DO_BUS_ERROR(void);
typedef twi0_fsm_states_t(stateHandlerFunction)(void);
stateHandlerFunction *I2C0_fsmStateTable[] = {
I2C0_DO_IDLE, // I2C_IDLE
I2C0_DO_SEND_ADR_READ, // I2C_SEND_ADR_READ
I2C0_DO_SEND_ADR_WRITE, // I2C_SEND_ADR_WRITE
I2C0_DO_TX, // I2C_TX
I2C0_DO_RX, // I2C_RX
I2C0_DO_TX_EMPTY, // I2C_TX_EMPTY
I2C0_DO_SEND_RESTART_READ, // I2C_SEND_RESTART_READ
I2C0_DO_SEND_RESTART_WRITE, // I2C_SEND_RESTART_WRITE
I2C0_DO_SEND_RESTART, // I2C_SEND_RESTART
I2C0_DO_SEND_STOP, // I2C_SEND_STOP
I2C0_DO_RX_ACK, // I2C_RX_DO_ACK
I2C0_DO_TX_ACK, // I2C_TX_DO_ACK
I2C0_DO_RX_NACK_STOP, // I2C_RX_DO_NACK_STOP
I2C0_DO_RX_NACK_RESTART, // I2C_RX_DO_NACK_RESTART
I2C0_DO_RESET, // I2C_RESET
I2C0_DO_ADDRESS_NACK, // I2C_ADDRESS_NACK
I2C0_DO_BUS_COLLISION, // I2C_BUS_COLLISION
I2C0_DO_BUS_ERROR // I2C_BUS_ERROR
};
void I2C0_SetDataCompleteCallback(twi0_callback_t cb, void *funPtr)
{
I2C0_set_callback(I2C0_DATA_COMPLETE, cb, funPtr);
}
void I2C0_SetWriteCollisionCallback(twi0_callback_t cb, void *funPtr)
{
I2C0_set_callback(I2C0_WRITE_COLLISION, cb, funPtr);
}
void I2C0_SetAddressNackCallback(twi0_callback_t cb, void *funPtr)
{
I2C0_set_callback(I2C0_ADDRESSNACK, cb, funPtr);
}
void I2C0_SetDataNackCallback(twi0_callback_t cb, void *funPtr)
{
I2C0_set_callback(I2C0_DATA_NACK, cb, funPtr);
}
void I2C0_SetTimeoutCallback(twi0_callback_t cb, void *funPtr)
{
I2C0_set_callback(I2C0_TIMEOUT, cb, funPtr);
}
uint8_t I2C0_Initialize()
{
//SDASETUP 8CYC; SDAHOLD 50NS; FMPEN disabled;
TWI0.CTRLA = 0x14;
//Debug Run
TWI0.DBGCTRL = 0x00;
//Master Baud Rate Control
TWI0.MBAUD = (uint8_t)TWI0_BAUD(100000, 0);
//RIEN disabled; WIEN disabled; QCEN disabled; TIMEOUT DISABLED; SMEN disabled; ENABLE enabled;
TWI0.MCTRLA = 0x01;
//RIF disabled; WIF disabled; CLKHOLD disabled; ARBLOST disabled; BUSERR disabled; BUSSTATE UNKNOWN;
TWI0.MSTATUS = 0x00;
//Master Address
TWI0.MADDR = 0x00;
//FLUSH disabled; ACKACT ACK; MCMD NOACT;
TWI0.MCTRLB = 0x00;
//Master Data
TWI0.MDATA = 0x00;
return 0;
}
// when you call open, you supply a device address.
// if you get the bus, the function returns true
twi0_error_t I2C0_Open(twi0_address_t address)
{
twi0_error_t ret = I2C0_BUSY;
if (!I2C0_status.inUse) {
I2C0_status.address = address;
I2C0_status.busy = 0;
I2C0_status.inUse = 1;
I2C0_status.addressNACKCheck = 0;
I2C0_status.state = I2C0_RESET;
I2C0_status.timeout_value = 500; // MCC should determine a reasonable starting value here.
I2C0_status.bufferFree = 1;
// set all the call backs to a default of sending stop
I2C0_status.callbackTable[I2C0_DATA_COMPLETE] = I2C0_RETURN_STOP;
I2C0_status.callbackPayload[I2C0_DATA_COMPLETE] = NULL;
I2C0_status.callbackTable[I2C0_WRITE_COLLISION] = I2C0_RETURN_STOP;
I2C0_status.callbackPayload[I2C0_WRITE_COLLISION] = NULL;
I2C0_status.callbackTable[I2C0_ADDRESSNACK] = I2C0_RETURN_STOP;
I2C0_status.callbackPayload[I2C0_ADDRESSNACK] = NULL;
I2C0_status.callbackTable[I2C0_DATA_NACK] = I2C0_RETURN_STOP;
I2C0_status.callbackPayload[I2C0_DATA_NACK] = NULL;
I2C0_status.callbackTable[I2C0_TIMEOUT] = I2C0_RETURN_RESET;
I2C0_status.callbackPayload[I2C0_TIMEOUT] = NULL;
I2C0_MasterResetBus();
// Reset module
I2C0_MasterClearIrq();
ret = I2C0_NOERR;
}
return ret;
}
void I2C0_SetAddress(twi0_address_t address)
{
I2C0_status.address = address;
}
// close the bus if it is not busy
twi0_error_t I2C0_Close(void)
{
twi0_error_t ret = I2C0_BUSY;
// Bus is in error state, reset I2C hardware and report error
if (I2C0_MasterBusErrorOverride()) {
I2C0_status.busy = false;
I2C0_status.error = I2C0_FAIL;
}
if (!I2C0_status.busy) {
I2C0_status.inUse = 0;
// close it down
I2C0_status.address = 0xff; // 8-bit address is invalid so this is FREE
I2C0_MasterClearIrq();
I2C0_MasterDisableIrq();
ret = I2C0_status.error;
}
return ret;
}
void I2C0_SetTimeout(uint8_t to)
{
I2C0_MasterDisableIrq();
I2C0_status.timeout_value = to;
I2C0_MasterEnableIrq();
}
void I2C0_SetBuffer(void *buffer, size_t bufferSize)
{
if (I2C0_status.bufferFree) {
I2C0_status.data_ptr = buffer;
I2C0_status.data_length = bufferSize;
I2C0_status.bufferFree = false;
}
}
twi0_error_t I2C0_MasterOperation(bool read)
{
twi0_error_t ret = I2C0_BUSY;
if (!I2C0_status.busy) {
I2C0_status.busy = true;
ret = I2C0_NOERR;
if (read) {
I2C0_status.state = I2C0_SEND_ADR_READ;
} else {
I2C0_status.state = I2C0_SEND_ADR_WRITE;
}
I2C0_MasterIsr();
I2C0_Poller();
}
return ret;
}
twi0_error_t I2C0_MasterRead(void)
{
return I2C0_MasterOperation(true);
}
twi0_error_t I2C0_MasterWrite(void)
{
return I2C0_MasterOperation(false);
}
/************************************************************************/
/* Helper Functions */
/************************************************************************/
void I2C0_Poller(void)
{
while (I2C0_status.busy)
{
I2C0_MasterWaitForEvent();
I2C0_MasterIsr();
}
}
static twi0_fsm_states_t I2C0_DO_RESET(void)
{
I2C0_MasterResetBus();
I2C0_status.busy = false; // Bus Free
I2C0_status.error = I2C0_NOERR;
return I2C0_RESET; // park the FSM on reset
}
static twi0_fsm_states_t I2C0_DO_IDLE(void)
{
I2C0_status.busy = false; // Bus Free
I2C0_status.error = I2C0_NOERR;
return I2C0_IDLE; // park the FSM on IDLE
}
static twi0_fsm_states_t I2C0_DO_SEND_RESTART_READ(void)
{
return I2C0_DO_SEND_ADR_READ();
}
static twi0_fsm_states_t I2C0_DO_SEND_RESTART_WRITE(void)
{
return I2C0_DO_SEND_ADR_WRITE();
}
static twi0_fsm_states_t I2C0_DO_SEND_RESTART(void)
{
return I2C0_DO_SEND_ADR_READ();
}
static twi0_fsm_states_t I2C0_DO_SEND_STOP(void)
{
I2C0_MasterStop();
return I2C0_DO_IDLE();
}
// TODO: probably need 2 addressNACK's one from read and one from write.
// the do NACK before RESTART or STOP is a special case that a new state simplifies.
static twi0_fsm_states_t I2C0_DO_ADDRESS_NACK(void)
{
I2C0_status.addressNACKCheck = 0;
I2C0_status.error = I2C0_FAIL;
switch (I2C0_status.callbackTable[I2C0_ADDRESSNACK](I2C0_status.callbackPayload[I2C0_ADDRESSNACK])) {
case I2C0_RESTART_READ:
return I2C0_DO_SEND_RESTART_READ();
case I2C0_RESTART_WRITE:
return I2C0_DO_SEND_RESTART_WRITE();
default:
return I2C0_DO_SEND_STOP();
}
}
static twi0_fsm_states_t I2C0_DO_SEND_ADR_READ(void)
{
I2C0_status.addressNACKCheck = 1;
I2C0_MasterTxAddr(I2C0_status.address << 1 | 1);
return I2C0_RX;
}
static twi0_fsm_states_t I2C0_DO_SEND_ADR_WRITE(void)
{
I2C0_status.addressNACKCheck = 1;
I2C0_MasterTxAddr(I2C0_status.address << 1);
return I2C0_TX;
}
static twi0_fsm_states_t I2C0_DO_RX_ACK(void)
{
I2C0_MasterSendAck();
return I2C0_RX;
}
static twi0_fsm_states_t I2C0_DO_TX_ACK(void)
{
I2C0_MasterSendAck();
return I2C0_TX;
}
static twi0_fsm_states_t I2C0_DO_RX_NACK_STOP(void)
{
I2C0_MasterSendNack();
I2C0_MasterStop();
return I2C0_DO_IDLE();
}
static twi0_fsm_states_t I2C0_DO_RX_NACK_RESTART(void)
{
I2C0_MasterSendNack();
return I2C0_SEND_RESTART;
}
static twi0_fsm_states_t I2C0_DO_TX(void)
{
if (I2C0_MasterIsNack()) // Slave replied with NACK
{
switch (I2C0_status.callbackTable[I2C0_DATA_NACK](I2C0_status.callbackPayload[I2C0_DATA_NACK])) {
case I2C0_RESTART_READ:
return I2C0_DO_SEND_RESTART_READ();
case I2C0_RESTART_WRITE:
return I2C0_DO_SEND_RESTART_WRITE();
default:
case I2C0_CONTINUE:
case I2C0_STOP:
return I2C0_DO_SEND_STOP();
}
} else {
I2C0_status.addressNACKCheck = 0;
I2C0_MasterTxData(*I2C0_status.data_ptr++);
return (--I2C0_status.data_length) ? I2C0_TX : I2C0_TX_EMPTY;
}
}
static twi0_fsm_states_t I2C0_DO_RX(void)
{
I2C0_status.addressNACKCheck = 0;
if (I2C0_status.data_length == 1)
I2C0_MasterSendNack(); // Next byte will be last to be received, setup NACK
else
I2C0_MasterSendAck(); // More bytes to receive, setup ACK
if (--I2C0_status.data_length) {
*I2C0_status.data_ptr = I2C0_MasterGetRxData();
I2C0_status.data_ptr++;
I2C0_MasterIsRxOrTx();
return I2C0_RX;
} else {
*I2C0_status.data_ptr = I2C0_MasterGetRxData();
I2C0_status.data_ptr++;
I2C0_status.bufferFree = true;
switch (I2C0_status.callbackTable[I2C0_DATA_COMPLETE](I2C0_status.callbackPayload[I2C0_DATA_COMPLETE])) {
case I2C0_RESTART_WRITE:
case I2C0_RESTART_READ:
return I2C0_DO_RX_NACK_RESTART();
default:
case I2C0_CONTINUE:
case I2C0_STOP:
return I2C0_DO_RX_NACK_STOP();
}
}
}
static twi0_fsm_states_t I2C0_DO_TX_EMPTY(void)
{
if (I2C0_MasterIsNack()) // Slave replied with NACK
{
switch (I2C0_status.callbackTable[I2C0_DATA_NACK](I2C0_status.callbackPayload[I2C0_DATA_NACK])) {
case I2C0_RESTART_READ:
return I2C0_DO_SEND_RESTART_READ();
case I2C0_RESTART_WRITE:
return I2C0_DO_SEND_RESTART_WRITE();
default:
case I2C0_CONTINUE:
case I2C0_STOP:
return I2C0_DO_SEND_STOP();
}
} else {
I2C0_status.bufferFree = true;
switch (I2C0_status.callbackTable[I2C0_DATA_COMPLETE](I2C0_status.callbackPayload[I2C0_DATA_COMPLETE])) {
case I2C0_RESTART_READ:
return I2C0_DO_SEND_RESTART_READ();
case I2C0_RESTART_WRITE:
return I2C0_DO_SEND_RESTART_WRITE();
case I2C0_CONTINUE:
return I2C0_DO_TX();
default:
case I2C0_STOP:
return I2C0_DO_SEND_STOP();
}
}
}
static twi0_fsm_states_t I2C0_DO_BUS_COLLISION(void)
{
// Clear bus collision status flag
I2C0_MasterClearBusCollision();
I2C0_status.error = I2C0_FAIL;
switch (I2C0_status.callbackTable[I2C0_WRITE_COLLISION](I2C0_status.callbackPayload[I2C0_WRITE_COLLISION])) {
case I2C0_RESTART_READ:
return I2C0_DO_SEND_RESTART_READ();
case I2C0_RESTART_WRITE:
return I2C0_DO_SEND_RESTART_WRITE();
default:
return I2C0_DO_RESET();
}
}
static twi0_fsm_states_t I2C0_DO_BUS_ERROR(void)
{
I2C0_MasterResetBus();
I2C0_status.busy = false;
I2C0_status.error = I2C0_FAIL;
return I2C0_RESET; // park the FSM on reset
}
void I2C0_MasterIsr(void)
{
I2C0_MasterClearIrq();
// NOTE: We are ignoring the Write Collision flag.
// Address phase received NACK from slave, override next state
if (I2C0_status.addressNACKCheck && I2C0_MasterIsNack()) {
I2C0_status.state = I2C0_ADDRESS_NACK; // State Override
}
// Bus arbitration lost to another master, override next state
if (I2C0_MasterArbitrationlostOverride()) {
I2C0_status.state = I2C0_BUS_COLLISION; // State Override
}
// Bus error, override next state
if (I2C0_MasterBusErrorOverride()) {
I2C0_status.state = I2C0_BUS_ERROR; // State Override
}
I2C0_status.state = I2C0_fsmStateTable[I2C0_status.state]();
}
/************************************************************************/
/* Helper Functions */
/************************************************************************/
static twi0_operations_t I2C0_RETURN_STOP(void *p)
{
return I2C0_STOP;
}
static twi0_operations_t I2C0_RETURN_RESET(void *p)
{
return I2C0_RESET_LINK;
}
static void I2C0_set_callback(I2C0_callbackIndex_t idx, twi0_callback_t cb, void *funPtr)
{
if (cb) {
I2C0_status.callbackTable[idx] = cb;
I2C0_status.callbackPayload[idx] = funPtr;
} else {
I2C0_status.callbackTable[idx] = I2C0_RETURN_STOP;
I2C0_status.callbackPayload[idx] = NULL;
}
}
/* Master Definitions */
void I2C0_MasterOpen(void)
{
TWI0.MCTRLA = 1 << TWI_ENABLE_bp;
}
void I2C0_MasterClose(void)
{
TWI0.MCTRLA = 0 << TWI_ENABLE_bp;
}
/* Interrupt Control */
void I2C0_MasterEnableIrq(void)
{
TWI0.MCTRLA |= (TWI_RIEN_bm | TWI_WIEN_bm);
}
bool I2C0_MasterIsIrqEnabled(void)
{
return ((TWI0.MCTRLA & TWI_WIEN_bm) && (TWI0.MCTRLA & TWI_RIEN_bm));
}
void I2C0_MasterDisableIrq(void)
{
TWI0.MCTRLA &= ~(TWI_RIEN_bm | TWI_WIEN_bm);
}
void I2C0_MasterClearIrq(void)
{
TWI0.MSTATUS |= (TWI_RIF_bm | TWI_WIF_bm);
}
bool I2C0_MasterBusErrorOverride(void)
{
return TWI0.MSTATUS & TWI_BUSERR_bm;
}
bool I2C0_MasterArbitrationlostOverride(void)
{
return TWI0.MSTATUS & TWI_ARBLOST_bm;
}
void I2C0_MasterResetBus(void)
{
TWI0.MCTRLB |= TWI_FLUSH_bm;
TWI0.MSTATUS |= TWI_BUSSTATE_IDLE_gc;
}
void I2C0_MasterIsRxOrTx(void)
{
TWI0.MCTRLB |= TWI_MCMD_RECVTRANS_gc;
}
void I2C0_MasterClearBusCollision(void)
{
TWI0.MSTATUS |= TWI_ARBLOST_bm;
}
void I2C0_MasterWaitForEvent(void)
{
while (!(TWI0.MSTATUS & TWI_RIF_bm) && !(TWI0.MSTATUS & TWI_WIF_bm))
{
};
}
void I2C0_MasterStop(void)
{
TWI0.MCTRLB |= TWI_MCMD_STOP_gc;
}
bool I2C0_MasterIsNack(void)
{
return TWI0.MSTATUS & TWI_RXACK_bm;
}
char I2C0_MasterGetRxData(void)
{
return TWI0.MDATA;
}
void I2C0_MasterTxData(char d)
{
TWI0.MDATA = d;
}
void I2C0_MasterTxAddr(char d)
{
TWI0.MADDR = d;
}
void I2C0_MasterSendAck(void)
{
TWI0.MCTRLB &= ~(1 << TWI_ACKACT_bp);
}
void I2C0_MasterSendNack(void)
{
TWI0.MCTRLB |= TWI_ACKACT_NACK_gc;
}
twi0_operations_t I2C0_SetReturnStopCallback(void *funPtr)
{
return I2C0_STOP;
}
twi0_operations_t I2C0_SetReturnResetCallback(void *funPtr)
{
return I2C0_RESET_LINK;
}
twi0_operations_t I2C0_SetRestartWriteCallback(void *funPtr)
{
return I2C0_RESTART_WRITE;
}
twi0_operations_t I2C0_SetRestartReadCallback(void *funPtr)
{
return I2C0_RESTART_READ;
}

220
twi0_master.h Normal file
View File

@@ -0,0 +1,220 @@
/**
@Company
Microchip Technology Inc.
@Description
This Source file provides APIs.
Generation Information :
Driver Version : 1.0.0
*/
/*
(c) 2018 Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip software and any
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
license terms applicable to your use of third party software (including open source software) that
may accompany Microchip software.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
FOR A PARTICULAR PURPOSE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
SOFTWARE.
*/
#ifndef TWI0_MASTER_H
#define TWI0_MASTER_H
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
#define TWI0_BAUD(F_SCL, T_RISE) \
((((((float)10000000 / (float)F_SCL)) - 10 - ((float)10000000 * T_RISE / 1000000))) / 2)
typedef enum {
I2C0_NOERR, // The message was sent.
I2C0_BUSY, // Message was NOT sent, bus was busy.
I2C0_FAIL // Message was NOT sent, bus failure
// If you are interested in the failure reason,
// Sit on the event call-backs.
} twi0_error_t;
typedef enum { I2C0_STOP = 1, I2C0_RESTART_READ, I2C0_RESTART_WRITE, I2C0_CONTINUE, I2C0_RESET_LINK } twi0_operations_t;
typedef twi0_operations_t (*twi0_callback_t)(void *funPtr);
typedef uint8_t twi0_address_t;
typedef twi0_address_t i2c_address_t;
// common callback responses
twi0_operations_t I2C0_SetReturnStopCallback(void *funPtr);
twi0_operations_t I2C0_SetReturnResetCallback(void *funPtr);
twi0_operations_t I2C0_SetRestartWriteCallback(void *funPtr);
twi0_operations_t I2C0_SetRestartReadCallback(void *funPtr);
/**
* \brief Initialize I2C interface
* If module is configured to disabled state, the clock to the I2C is disabled
* if this is supported by the device's clock system.
*
* \return Initialization status.
* \retval 0 the init was successful
* \retval 1 the init was not successful
*/
uint8_t I2C0_Initialize(void);
/**
* \brief Open the I2C for communication
*
* \param[in] address The slave address to use in the transfer
*
* \return Initialization status.
* \retval I2C_NOERR The I2C open was successful
* \retval I2C_BUSY The I2C open failed because the interface is busy
* \retval I2C_FAIL The I2C open failed with an error
*/
twi0_error_t I2C0_Open(twi0_address_t address);
/**
* \brief Close the I2C interface
*
* \return Status of close operation.
* \retval I2C_NOERR The I2C open was successful
* \retval I2C_BUSY The I2C open failed because the interface is busy
* \retval I2C_FAIL The I2C open failed with an error
*/
twi0_error_t I2C0_Close(void);
/**
* \brief Start an operation on an opened I2C interface
*
* \param[in] read Set to true for read, false for write
*
* \return Status of operation
* \retval I2C_NOERR The I2C open was successful
* \retval I2C_BUSY The I2C open failed because the interface is busy
* \retval I2C_FAIL The I2C open failed with an error
*/
twi0_error_t I2C0_MasterOperation(bool read);
/**
* \brief Identical to I2C0_MasterOperation(false);
*/
twi0_error_t I2C0_MasterWrite(void); // to be depreciated
/**
* \brief Identical to I2C0_MasterOperation(true);
*/
twi0_error_t I2C0_MasterRead(void); // to be depreciated
/**
* \brief Set timeout to be used for I2C operations. Uses the Timeout driver.
*
* \param[in] to Timeout in ticks
*
* \return Nothing
*/
void I2C0_SetTimeout(uint8_t to);
/**
* \brief Sets up the data buffer to use, and number of bytes to transfer
*
* \param[in] buffer Pointer to data buffer to use for read or write data
* \param[in] bufferSize Number of bytes to read or write from slave
*
* \return Nothing
*/
void I2C0_SetBuffer(void *buffer, size_t bufferSize);
// Event Callback functions.
/**
* \brief Set callback to be called when all specifed data has been transferred.
*
* \param[in] cb Pointer to callback function
* \param[in] p Pointer to the callback function's parameters
*
* \return Nothing
*/
void I2C0_SetDataCompleteCallback(twi0_callback_t cb, void *funPtr);
/**
* \brief Set callback to be called when there has been a bus collision and arbitration was lost.
*
* \param[in] cb Pointer to callback function
* \param[in] p Pointer to the callback function's parameters
*
* \return Nothing
*/
void I2C0_SetWriteCollisionCallback(twi0_callback_t cb, void *funPtr);
/**
* \brief Set callback to be called when the transmitted address was NACK'ed.
*
* \param[in] cb Pointer to callback function
* \param[in] p Pointer to the callback function's parameters
*
* \return Nothing
*/
void I2C0_SetAddressNackCallback(twi0_callback_t cb, void *funPtr);
/**
* \brief Set callback to be called when the transmitted data was NACK'ed.
*
* \param[in] cb Pointer to callback function
* \param[in] p Pointer to the callback function's parameters
*
* \return Nothing
*/
void I2C0_SetDataNackCallback(twi0_callback_t cb, void *funPtr);
/**
* \brief Set callback to be called when there was a bus timeout.
*
* \param[in] cb Pointer to callback function
* \param[in] p Pointer to the callback function's parameters
*
* \return Nothing
*/
void I2C0_SetTimeoutCallback(twi0_callback_t cb, void *funPtr);
/**
* \brief In a polled implementation, call this function in a loop to execute the FSM
*
* \return Nothing
*/
void I2C0_Poller(void);
/**
* \brief Set Address to be called when there was aa address reception.
*
* \param[in] address Loads the address of the master
*
* \return Nothing
*/
void I2C0_SetAddress(twi0_address_t address);
#ifdef __cplusplus
}
#endif
#endif /* TWI0_MASTER_H */

173
twi0_master_example.c Normal file
View File

@@ -0,0 +1,173 @@
/**
@Company
Microchip Technology Inc.
@Description
This Source file provides APIs.
Generation Information :
Driver Version : 1.0.0
*/
/*
(c) 2018 Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip software and any
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
license terms applicable to your use of third party software (including open source software) that
may accompany Microchip software.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
FOR A PARTICULAR PURPOSE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
SOFTWARE.
*/
/*
This file provides some basic blocking helper functions for common operations on the i2c API
*/
#include "../include/twi0_master.h"
#include "twi0_master_example.h"
/****************************************************************/
static twi0_operations_t wr1RegCompleteHandler_example(void *ptr)
{
I2C0_SetBuffer(ptr,1);
I2C0_SetDataCompleteCallback(NULL,NULL);
return I2C0_CONTINUE;
}
void I2C0_example_write1ByteRegister(twi0_address_t address, uint8_t reg, uint8_t data)
{
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetDataCompleteCallback(wr1RegCompleteHandler_example,&data);
I2C0_SetBuffer(&reg,1);
I2C0_SetAddressNackCallback(I2C0_SetRestartWriteCallback,NULL); //NACK polling?
I2C0_MasterWrite();
while(I2C0_BUSY == I2C0_Close()); // sit here until finished.
}
void I2C0_example_writeNBytes(twi0_address_t address, void* data, size_t len)
{
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetBuffer(data,len);
I2C0_SetAddressNackCallback(I2C0_SetRestartWriteCallback,NULL); //NACK polling?
I2C0_MasterWrite();
while(I2C0_BUSY == I2C0_Close()); // sit here until finished.
}
/****************************************************************/
static twi0_operations_t rd1RegCompleteHandler_example(void *ptr)
{
I2C0_SetBuffer(ptr,1);
I2C0_SetDataCompleteCallback(NULL,NULL);
return I2C0_RESTART_READ;
}
uint8_t I2C0_example_read1ByteRegister(twi0_address_t address, uint8_t reg)
{
uint8_t d2=42;
twi0_error_t e;
int x;
for(x = 2; x != 0; x--)
{
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetDataCompleteCallback(rd1RegCompleteHandler_example,&d2);
I2C0_SetBuffer(&reg,1);
I2C0_SetAddressNackCallback(I2C0_SetRestartWriteCallback,NULL); //NACK polling?
I2C0_MasterWrite();
while(I2C0_BUSY == (e = I2C0_Close())); // sit here until finished.
if(e==I2C0_NOERR) break;
}
return d2;
}
/****************************************************************/
static twi0_operations_t rd2RegCompleteHandler_example(void *ptr)
{
I2C0_SetBuffer(ptr,2);
I2C0_SetDataCompleteCallback(NULL,NULL);
return I2C0_RESTART_READ;
}
uint16_t I2C0_example_read2ByteRegister(twi0_address_t address, uint8_t reg)
{
// result is little endian
uint16_t result;
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetDataCompleteCallback(rd2RegCompleteHandler_example,&result);
I2C0_SetBuffer(&reg,1);
I2C0_SetAddressNackCallback(I2C0_SetRestartWriteCallback,NULL); //NACK polling?
I2C0_MasterWrite();
while(I2C0_BUSY == I2C0_Close()); // sit here until finished.
return (result << 8 | result >> 8);
}
/****************************************************************/
static twi0_operations_t wr2RegCompleteHandler_example(void *ptr)
{
I2C0_SetBuffer(ptr,2);
I2C0_SetDataCompleteCallback(NULL,NULL);
return I2C0_CONTINUE;
}
void I2C0_example_write2ByteRegister(twi0_address_t address, uint8_t reg, uint16_t data)
{
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetDataCompleteCallback(wr2RegCompleteHandler_example,&data);
I2C0_SetBuffer(&reg,1);
I2C0_SetAddressNackCallback(I2C0_SetRestartWriteCallback,NULL); //NACK polling?
I2C0_MasterWrite();
while(I2C0_BUSY == I2C0_Close()); // sit here until finished.
}
/****************************************************************/
typedef struct
{
size_t len;
char *data;
}buf_t;
static twi0_operations_t rdBlkRegCompleteHandler_example(void *ptr)
{
I2C0_SetBuffer(((buf_t *)ptr)->data,((buf_t*)ptr)->len);
I2C0_SetDataCompleteCallback(NULL,NULL);
return I2C0_RESTART_READ;
}
void I2C0_example_readDataBlock(twi0_address_t address, uint8_t reg, void *data, size_t len)
{
// result is little endian
buf_t d;
d.data = data;
d.len = len;
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetDataCompleteCallback(rdBlkRegCompleteHandler_example,&d);
I2C0_SetBuffer(&reg,1);
I2C0_SetAddressNackCallback(I2C0_SetRestartWriteCallback,NULL); //NACK polling?
I2C0_MasterWrite();
while(I2C0_BUSY == I2C0_Close()); // sit here until finished.
}
void I2C0_example_readNBytes(twi0_address_t address, void *data, size_t len)
{
while(!I2C0_Open(address)); // sit here until we get the bus..
I2C0_SetBuffer(data,len);
I2C0_MasterRead();
while(I2C0_BUSY == I2C0_Close()); // sit here until finished.
}

50
twi0_master_example.h Normal file
View File

@@ -0,0 +1,50 @@
/**
@Company
Microchip Technology Inc.
@Description
This Source file provides APIs.
Generation Information :
Driver Version : 1.0.0
*/
/*
(c) 2018 Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip software and any
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
license terms applicable to your use of third party software (including open source software) that
may accompany Microchip software.
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
FOR A PARTICULAR PURPOSE.
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
SOFTWARE.
*/
#ifndef TWI0_MASTER_EXAMPLE_H
#define TWI0_MASTER_EXAMPLE_H
#include <stdint.h>
#include <stdio.h>
#include "twi0_master.h"
uint8_t I2C0_example_read1ByteRegister(twi0_address_t address, uint8_t reg);
uint16_t I2C0_example_read2ByteRegister(twi0_address_t address, uint8_t reg);
void I2C0_example_write1ByteRegister(twi0_address_t address, uint8_t reg, uint8_t data);
void I2C0_example_write2ByteRegister(twi0_address_t address, uint8_t reg, uint16_t data);
void I2C0_example_writeNBytes(twi0_address_t address, void* data, size_t len);
void I2C0_example_readDataBlock(twi0_address_t address, uint8_t reg, void *data, size_t len);
void iI2C0_example_readNBytes(twi0_address_t address, void *data, size_t len);
#endif /* TWI0_MASTER_EXAMPLE_H */