Firmware2/Marlin/src/HAL/HAL_LPC1768/main.cpp
2018-08-22 17:16:18 -05:00

121 lines
3.0 KiB
C++

#ifdef TARGET_LPC1768
// ---------------------
// Userspace entry point
// ---------------------
extern void setup();
extern void loop();
extern "C" {
#include <lpc17xx_gpio.h>
}
#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>
extern "C" {
#include <debug_frmwrk.h>
#include <chanfs/diskio.h>
#include <chanfs/ff.h>
}
#include "../../inc/MarlinConfig.h"
#include "HAL.h"
#include "fastio.h"
#include "HAL_timers.h"
#include <stdio.h>
#include <stdarg.h>
#include <Arduino.h>
#include "serial.h"
#include "LPC1768_PWM.h"
static __INLINE uint32_t SysTick_Config(uint32_t ticks) {
if (ticks > SysTick_LOAD_RELOAD_Msk) return 1;
SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; // Set reload register
SysTick->VAL = 0; // Load the SysTick Counter Value
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk; // Enable SysTick IRQ and SysTick Timer
NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(0, 0, 0)); // Set Priority for Cortex-M3 System Interrupts
return 0;
}
extern "C" {
extern int isLPC1769();
extern void disk_timerproc(void);
volatile uint32_t _millis;
void SysTick_Handler(void) {
++_millis;
disk_timerproc();
}
// Runs after clock init and before global static constructors
void SystemPostInit() {
_millis = 0; // Initialize the millisecond counter value
SysTick_Config(SystemCoreClock / 1000); // Start millisecond global counter
// Runs before setup() need to configure LED_PIN and use to indicate succsessful bootloader execution
#if PIN_EXISTS(LED)
SET_DIR_OUTPUT(LED_PIN);
WRITE_PIN_CLR(LED_PIN);
//MKS-SBASE has 3 other LEDS the bootloader uses during flashing, clear them
SET_DIR_OUTPUT(P1_19);
WRITE_PIN_CLR(P1_19);
SET_DIR_OUTPUT(P1_20);
WRITE_PIN_CLR(P1_20);
SET_DIR_OUTPUT(P1_21);
WRITE_PIN_CLR(P1_21);
for (int i = 0; i < 6; ++i) {
TOGGLE(LED_PIN);
delay(100);
}
#endif
}
}
extern uint32_t MSC_SD_Init(uint8_t pdrv);
int main(void) {
(void)MSC_SD_Init(0);
USB_Init(); // USB Initialization
USB_Connect(TRUE); // USB Connect
const uint32_t usb_timeout = millis() + 2000;
while (!USB_Configuration && PENDING(millis(), usb_timeout)) {
delay(50);
#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();
LPC1768_PWM_init();
setup();
for (;;) loop();
}
#endif // TARGET_LPC1768