#include "stm32f37x.h"
#include "defines.h"
#include "tm_stm32f37x_usart.h"

void TM_USART_Init(USART_TypeDef* USARTx, TM_USART_PinsPack_t pinspack, uint32_t baudrate);

void InitTimer(void)
{
    TIM_TimeBaseInitTypeDef base_timer;
  TIM_TimeBaseStructInit(&base_timer);

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);

    base_timer.TIM_Prescaler = 36000 - 1;
    base_timer.TIM_Period = 2000;
    TIM_TimeBaseInit(TIM6, &base_timer);

    TIM_ITConfig(TIM6, TIM_IT_Update, ENABLE);
    TIM_Cmd(TIM6, ENABLE);

    NVIC_EnableIRQ(TIM6_DAC1_IRQn);
}

void InitPort(void)
{
   GPIO_InitTypeDef  GPIO_InitStructure;

   /* Ðàçðåøèòü òàêòèðîâàíèå GPIOx */
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

   /* Êîíôèãóðèðîâàíèå íîæêè PA7, òóäà ïîäêëþ÷åí ñâåòîäèîä */
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_Init(GPIOA, &GPIO_InitStructure);

     return;
}

int main(void)
{
    uint8_t c;

    InitPort();
    InitTimer();
    TM_USART_Init(USART2, TM_USART_PinsPack_2, 115200);

    GPIO_SetBits(GPIOA, GPIO_Pin_7); //ñâåòîäèîä ãîðèò

  TM_USART_Puts(USART2, "STM32F37xx switcher v1.0\r");
    TM_USART_Puts(USART2, "Please, press '1' or '0'\n\r");

    while (1)
  {
        c = TM_USART_Getc(USART1);
        switch (c) {
                    case '1':
                      GPIO_SetBits(GPIOA, GPIO_Pin_7); //ñâåòîäèîä ãîðèò
            TM_USART_Puts(USART2, "LED is on\n\r");
                      TIM_Cmd(TIM6, DISABLE);
                        break;
                    case '0':
                      GPIO_ResetBits(GPIOA, GPIO_Pin_7); //ñâåòîäèîä íå ãîðèò
            TM_USART_Puts(USART2, "LED is off\n\r");
                      TIM_Cmd(TIM6, DISABLE);
                        break;
        }
  }
}

void TIM6_DAC1_IRQHandler(void)
{
  if (TIM_GetITStatus(TIM6, TIM_IT_Update) != RESET)
        {
            GPIOA->ODR ^= GPIO_Pin_7; //ïåðåêëþ÷àåì âûõîä ñâåòîäèîäà
            TM_USART_Puts(USART2, "Hi, i am STM32F373 :)\n\r");
            TIM_ClearITPendingBit(TIM6, TIM_IT_Update);
        }
}