/**
 ******************************************************************************
 * @file           : main.c
 * @author         : Fernando Hermosillo Reynoso
 * @brief          : Main program body
 ******************************************************************************
 */

#include <stdint.h>
#include "stm32f103_hal.h"



/* Funciones privadas -----------------------------*/
void delay_ms(uint16_t ms) {
	volatile unsigned long t = 0;
	for(uint16_t i = 0; i < ms; i++)
	{
		for(t = 0; t < 800; t++);
	}
}

void delay_us(uint16_t us)
{
	for (volatile unsigned int cycles = 0; cycles < us; cycles++);
}



/* Codigo principal -------------------------------*/
int main(void)
{
	// RCC config
	rcc_clock_enable(RCC_TIM3);
	rcc_clock_enable(RCC_GPIOA);
	rcc_clock_enable(RCC_AFIO);

	gpio_set_output(GPIOA, GPIO_PIN_1, GPIO_OUTPUT_PP, GPIO_SPEED_2MHZ);
//	gpio_set_input(GPIOA, GPIO_PIN_2, GPIO_OUTPUT_PD);
//	gpio_set_input(GPIOA, GPIO_PIN_3, GPIO_OUTPUT_PD);

	/* GPIO Config */

	timer_init(TIM3, TIMER_MODE_UP, 999, 7);	// ARR=4999, PSC=7
	timer_set_output_compare(TIM3, TIMER_IRQ_UPDATE, IRQ_ENABLE);
	NVIC_EnableIRQ(TIM3_IRQn);
//	timer_start(TIM3, TIMER_CONTINUOUS);

//EXIT config
exti_set_interrupt(PA0, EXIT_IRQ_RISING);
NVIC_ENABLEIRQ(EXTI0,IRQn);

	// Loop
	while (1)
	{
		if(gpio_read_pin(GPIOA, GPIO_PIN_3))
		{
			triac_on=1;
			if(firing_delay>1000) firing_delay -= 1000;

			delay_ms(10);
			while(gpio_read_pin(GPIOA, GPIO_PIN_3));
			delay_ms(10);
		}
	}
}


/* IRQ Handlers */
void TIM3_IRQHandler()
{
	// If CCx interrupt is enabled, when TIMx->CNT reaches ARR it raises an interrupt
	if(TIM3->SR & TIM_SR_CC1IF)
	{
			
	}
}