【星空派GD32F303开发板试用体验】-02-串口和定时器

#include "SysTime.h"

void SysTime_Init(void)
{
        //--Timer 1 的主时钟树是60M，
    timer_parameter_struct timer_parameter;
        rcu_periph_clock_enable(RCU_TIMER1);
        //预分频
    timer_parameter.prescaler = 1999,
    //对齐模式
    timer_parameter.alignedmode = TIMER_COUNTER_EDGE,
    //定时器增长方向
    timer_parameter.counterdirection = TIMER_COUNTER_UP,
    //定时器自动加载值--设置为
    timer_parameter.period = 59999,
    //时钟分频值--设置为不分频
    timer_parameter.clockdivision = TIMER_CKDIV_DIV1,
    timer_init(TIMER1, &timer_parameter);
    timer_interrupt_enable(TIMER1, TIMER_INT_UP);
    nvic_irq_enable(TIMER1_IRQn, 0, 2);
    timer_enable(TIMER1);
}
unsigned long int SysTimeCount=0;
void TIMER1_IRQHandler()
{
    if (timer_interrupt_flag_get(TIMER1, TIMER_INT_UP) != RESET)
        {
        SysTimeCount++;
            timer_interrupt_flag_clear(TIMER1, TIMER_INT_UP);
    }
}

#include "gd32f30x.h"

#include "Led.h"

#include "UART.h"

#include "SysTime.h"

#include "Sys_Struct.h"

void TimeTest(void)

{

        int i=0;

  if(SysTimeCount%2==0)

  {

          for(i=0;i

        {

           rcu_periph_clock_enable(Bord_Info.Sys_LED.CLK );

       gpio_bit_reset(Bord_Info.Sys_LED.Port,Bord_Info.Sys_LED.Pin);

           Delay_ms(500);

        };

  

  }

  else

  {

          for(i=0;i

        {

           rcu_periph_clock_enable(Bord_Info.Sys_LED.CLK );

       gpio_bit_set(Bord_Info.Sys_LED.Port,Bord_Info.Sys_LED.Pin);

           Delay_ms(500);

        };

  }

}

int main(void)

{  

        LED_Port_Init();

        key_init();

        Uart_init();

    SysTime_Init();

   while(1)

   {

//           LED_Flash();

//           KEY_Test();

//           UART_Test();

           TimeTest();

   }

}