Firmware2/Marlin/src/HAL/HAL_LPC1768/main.cpp
2019-06-27 23:58:16 -05:00

152 lines
4.1 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef TARGET_LPC1768
#include <usb/usb.h>
#include <usb/usbcfg.h>
#include <usb/usbhw.h>
#include <usb/usbcore.h>
#include <usb/cdc.h>
#include <usb/cdcuser.h>
#include <usb/mscuser.h>
#include <CDCSerial.h>
#include <usb/mscuser.h>
extern "C" {
#include <debug_frmwrk.h>
}
#include "../../sd/cardreader.h"
#include "../../inc/MarlinConfig.h"
#include "HAL.h"
#include "HAL_timers.h"
extern uint32_t MSC_SD_Init(uint8_t pdrv);
extern "C" int isLPC1769();
extern "C" void disk_timerproc(void);
void SysTick_Callback() {
disk_timerproc();
}
void HAL_init(void) {
// Init LEDs
#if PIN_EXISTS(LED)
SET_DIR_OUTPUT(LED_PIN);
WRITE_PIN_CLR(LED_PIN);
#if PIN_EXISTS(LED2)
SET_DIR_OUTPUT(LED2_PIN);
WRITE_PIN_CLR(LED2_PIN);
#if PIN_EXISTS(LED3)
SET_DIR_OUTPUT(LED3_PIN);
WRITE_PIN_CLR(LED3_PIN);
#if PIN_EXISTS(LED4)
SET_DIR_OUTPUT(LED4_PIN);
WRITE_PIN_CLR(LED4_PIN);
#endif
#endif
#endif
// Flash status LED 3 times to indicate Marlin has started booting
for (uint8_t i = 0; i < 6; ++i) {
TOGGLE(LED_PIN);
delay(100);
}
#endif
// Init Servo Pins
#if PIN_EXISTS(SERVO0)
OUT_WRITE(SERVO0_PIN, LOW);
#endif
#if PIN_EXISTS(SERVO1)
OUT_WRITE(SERVO1_PIN, LOW);
#endif
#if PIN_EXISTS(SERVO2)
OUT_WRITE(SERVO2_PIN, LOW);
#endif
#if PIN_EXISTS(SERVO3)
OUT_WRITE(SERVO3_PIN, LOW);
#endif
//debug_frmwrk_init();
//_DBG("\n\nDebug running\n");
// Initialise the SD card chip select pins as soon as possible
#if PIN_EXISTS(SS)
OUT_WRITE(SS_PIN, HIGH);
#endif
#if PIN_EXISTS(ONBOARD_SD_CS) && ONBOARD_SD_CS_PIN != SS_PIN
OUT_WRITE(ONBOARD_SD_CS_PIN, HIGH);
#endif
USB_Init(); // USB Initialization
USB_Connect(FALSE); // USB clear connection
delay(1000); // Give OS time to notice
USB_Connect(TRUE);
#if !BOTH(SHARED_SD_CARD, INIT_SDCARD_ON_BOOT) && DISABLED(NO_SD_HOST_DRIVE)
MSC_SD_Init(0); // Enable USB SD card access
#endif
const millis_t usb_timeout = millis() + 2000;
while (!USB_Configuration && PENDING(millis(), usb_timeout)) {
delay(50);
HAL_idletask();
#if PIN_EXISTS(LED)
TOGGLE(LED_PIN); // Flash quickly during USB initialization
#endif
}
#if NUM_SERIAL > 0
MYSERIAL0.begin(BAUDRATE);
#if NUM_SERIAL > 1
MYSERIAL1.begin(BAUDRATE);
#endif
SERIAL_PRINTF("\n\necho:%s (%dMhz) Initialized\n", isLPC1769() ? "LPC1769" : "LPC1768", SystemCoreClock / 1000000);
SERIAL_FLUSHTX();
#endif
HAL_timer_init();
}
// HAL idle task
void HAL_idletask(void) {
#if ENABLED(SHARED_SD_CARD)
// If Marlin is using the SD card we need to lock it to prevent access from
// a PC via USB.
// Other HALs use IS_SD_PRINTING() and IS_SD_FILE_OPEN() to check for access but
// this will not reliably detect delete operations. To be safe we will lock
// the disk if Marlin has it mounted. Unfortuately there is currently no way
// to unmount the disk from the LCD menu.
// if (IS_SD_PRINTING() || IS_SD_FILE_OPEN())
if (card.isDetected())
MSC_Aquire_Lock();
else
MSC_Release_Lock();
#endif
// Perform USB stack housekeeping
MSC_RunDeferredCommands();
}
#endif // TARGET_LPC1768