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

Basic GPIO expander using the ESP32 I2S peripheral (#12959)

Browse Source
This commit is contained in:
Simon Jouet
2019-02-10 11:40:31 +00:00
committed by Scott Lahteine
parent 3983cacbcf
commit 5cd0fa3ce1
10 changed files with 412 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
Marlin/src/HAL/HAL_ESP32/fastio_ESP32.h
View File

@@ -21,38 +21,40 @@
*/
#pragma once
#include "i2s.h"
/**
* Utility functions
*/
// set pin as input
#define _SET_INPUT(IO) pinMode(IO, INPUT)
// Set pin as input
#define _SET_INPUT(IO) pinMode(IO, INPUT)
// set pin as output
#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT)
// Set pin as output
#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT)
// set pin as input with pullup mode
#define _PULLUP(IO, v) pinMode(IO, v ? INPUT_PULLUP : INPUT)
// Set pin as input with pullup mode
#define _PULLUP(IO, v) pinMode(IO, v ? INPUT_PULLUP : INPUT)
// Read a pin wrapper
#define READ(IO) digitalRead(IO)
#define READ(IO) digitalRead(IO)
// Write to a pin wrapper
#define WRITE(IO, v) digitalWrite(IO, v)
#define WRITE(IO, v) (TEST(IO, 7) ? i2s_write(IO & 0x7F, v) : digitalWrite(IO, v))
// set pin as input wrapper
#define SET_INPUT(IO) _SET_INPUT(IO)
// Set pin as input wrapper
#define SET_INPUT(IO) _SET_INPUT(IO)
// set pin as input with pullup wrapper
#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
// Set pin as input with pullup wrapper
#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
// set pin as output wrapper
#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
// Set pin as output wrapper
#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
//
// ports and functions
// Ports and functions
//
// UART