Firmware2/Marlin/src/HAL/HAL_LPC1768/main.cpp

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#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>
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extern "C" {
#include <debug_frmwrk.h>
#include <chanfs/diskio.h>
#include <chanfs/ff.h>
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}
#include "fastio.h"
#include "HAL_timers.h"
#include <stdio.h>
#include <stdarg.h>
#include "arduino.h"
#include "serial.h"
#include "LPC1768_PWM.h"
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static __INLINE uint32_t SysTick_Config(uint32_t ticks) {
if (ticks > SysTick_LOAD_RELOAD_Msk)
return (1); /* Reload value impossible */
SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; /* set reload register */
NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(0, 0, 0)); /* set Priority for Cortex-M3 System Interrupts */
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 */
return (0); /* Function successful */
}
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extern "C" {
extern void disk_timerproc(void);
volatile uint32_t _millis;
void SysTick_Handler(void) {
++_millis;
disk_timerproc(); /* Disk timer process */
}
}
// runs after clock init and before global static constructors
extern "C" void SystemPostInit() {
_millis = 0; // initialise the millisecond counter value;
SysTick_Config(SystemCoreClock / 1000); // start millisecond global counter
GPIO_SetDir(4, 1UL << 28, 1);
for (int i = 0; i < 4; ++i) {
GPIO_SetValue(4, 1UL << 28);
delay(100);
GPIO_ClearValue(4, 1UL << 28);
delay(100);
}
}
extern uint32_t MSC_SD_Init(uint8_t pdrv);
extern HalSerial usb_serial;
int main(void) {
(void)MSC_SD_Init(0);
USB_Init(); // USB Initialization
USB_Connect(TRUE); // USB Connect
volatile uint32_t usb_timeout = millis() + 2000;
while (!USB_Configuration && millis() < usb_timeout) {
delay(50);
TOGGLE(13); // Flash fast while USB initialisation completes
}
debug_frmwrk_init();
usb_serial.printf("\n\nRe-ARM (LPC1768 @ %dMhz) UART0 Initialised\n", SystemCoreClock / 1000000);
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HAL_timer_init();
extern void LPC1768_PWM_init();
LPC1768_PWM_init();
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setup();
while (true) {
loop();
}
}
#endif // TARGET_LPC1768