Shorter paths to HAL, ExtUI (#17156)
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Scott Lahteine
GitHub
162
Marlin/src/HAL/LPC1768/main.cpp
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162
Marlin/src/HAL/LPC1768/main.cpp
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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef TARGET_LPC1768
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#include <usb/usb.h>
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#include <usb/usbcfg.h>
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#include <usb/usbhw.h>
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#include <usb/usbcore.h>
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#include <usb/cdc.h>
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#include <usb/cdcuser.h>
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#include <usb/mscuser.h>
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#include <CDCSerial.h>
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#include <usb/mscuser.h>
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extern "C" {
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#include <debug_frmwrk.h>
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}
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#include "../../sd/cardreader.h"
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#include "../../inc/MarlinConfig.h"
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#include "../../core/millis_t.h"
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#include "HAL.h"
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#include "timers.h"
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extern uint32_t MSC_SD_Init(uint8_t pdrv);
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extern "C" int isLPC1769();
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extern "C" void disk_timerproc();
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void SysTick_Callback() { disk_timerproc(); }
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void HAL_init() {
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// Init LEDs
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#if PIN_EXISTS(LED)
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SET_DIR_OUTPUT(LED_PIN);
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WRITE_PIN_CLR(LED_PIN);
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#if PIN_EXISTS(LED2)
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SET_DIR_OUTPUT(LED2_PIN);
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WRITE_PIN_CLR(LED2_PIN);
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#if PIN_EXISTS(LED3)
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SET_DIR_OUTPUT(LED3_PIN);
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WRITE_PIN_CLR(LED3_PIN);
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#if PIN_EXISTS(LED4)
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SET_DIR_OUTPUT(LED4_PIN);
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WRITE_PIN_CLR(LED4_PIN);
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#endif
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#endif
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#endif
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// Flash status LED 3 times to indicate Marlin has started booting
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for (uint8_t i = 0; i < 6; ++i) {
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TOGGLE(LED_PIN);
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delay(100);
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}
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#endif
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// Init Servo Pins
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#define INIT_SERVO(N) OUT_WRITE(SERVO##N##_PIN, LOW)
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#if HAS_SERVO_0
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INIT_SERVO(0);
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#endif
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#if HAS_SERVO_1
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INIT_SERVO(1);
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#endif
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#if HAS_SERVO_2
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INIT_SERVO(2);
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#endif
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#if HAS_SERVO_3
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INIT_SERVO(3);
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#endif
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//debug_frmwrk_init();
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//_DBG("\n\nDebug running\n");
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// Initialise the SD card chip select pins as soon as possible
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#if PIN_EXISTS(SS)
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OUT_WRITE(SS_PIN, HIGH);
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#endif
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#if PIN_EXISTS(ONBOARD_SD_CS) && ONBOARD_SD_CS_PIN != SS_PIN
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OUT_WRITE(ONBOARD_SD_CS_PIN, HIGH);
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#endif
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#ifdef LPC1768_ENABLE_CLKOUT_12M
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/**
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* CLKOUTCFG register
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* bit 8 (CLKOUT_EN) = enables CLKOUT signal. Disabled for now to prevent glitch when enabling GPIO.
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* bits 7:4 (CLKOUTDIV) = set to 0 for divider setting of /1
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* bits 3:0 (CLKOUTSEL) = set to 1 to select main crystal oscillator as CLKOUT source
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*/
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LPC_SC->CLKOUTCFG = (0<<8)|(0<<4)|(1<<0);
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// set P1.27 pin to function 01 (CLKOUT)
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PINSEL_CFG_Type PinCfg;
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PinCfg.Portnum = 1;
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PinCfg.Pinnum = 27;
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PinCfg.Funcnum = 1; // function 01 (CLKOUT)
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PinCfg.OpenDrain = 0; // not open drain
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PinCfg.Pinmode = 2; // no pull-up/pull-down
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PINSEL_ConfigPin(&PinCfg);
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// now set CLKOUT_EN bit
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LPC_SC->CLKOUTCFG |= (1<<8);
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#endif
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USB_Init(); // USB Initialization
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USB_Connect(FALSE); // USB clear connection
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delay(1000); // Give OS time to notice
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USB_Connect(TRUE);
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#if !BOTH(SHARED_SD_CARD, INIT_SDCARD_ON_BOOT) && DISABLED(NO_SD_HOST_DRIVE)
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MSC_SD_Init(0); // Enable USB SD card access
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#endif
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const millis_t usb_timeout = millis() + 2000;
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while (!USB_Configuration && PENDING(millis(), usb_timeout)) {
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delay(50);
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HAL_idletask();
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#if PIN_EXISTS(LED)
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TOGGLE(LED_PIN); // Flash quickly during USB initialization
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#endif
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}
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HAL_timer_init();
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}
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// HAL idle task
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void HAL_idletask() {
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#if ENABLED(SHARED_SD_CARD)
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// If Marlin is using the SD card we need to lock it to prevent access from
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// a PC via USB.
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// Other HALs use IS_SD_PRINTING() and IS_SD_FILE_OPEN() to check for access but
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// this will not reliably detect delete operations. To be safe we will lock
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// the disk if Marlin has it mounted. Unfortunately there is currently no way
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// to unmount the disk from the LCD menu.
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// if (IS_SD_PRINTING() || IS_SD_FILE_OPEN())
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if (card.isMounted())
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MSC_Aquire_Lock();
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else
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MSC_Release_Lock();
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#endif
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// Perform USB stack housekeeping
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MSC_RunDeferredCommands();
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}
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#endif // TARGET_LPC1768
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