实验功能：500ms的延时的延时电量LED

RASC的配置

打开RASC 配置软件

添加一个STACKS

配置

软件

bsp_tim0.h

#ifndef __BSP_TIM0_H__
#define __BSP_TIM0_H__

#include "hal_data.h"
#include "stdio.h"
void bsp_timer_init(void);

#endif

bsp_tim0.c

#include "bsp_tim0.h"
/* 定时器的初始化 */
void bsp_timer_init(void)
{
		fsp_err_t err;
    /* 配置定时器 */
    err = R_AGT_Open(&g_timer0_ctrl, &g_timer0_cfg);
    assert(FSP_SUCCESS == err);
    err = R_AGT_Start (&g_timer0_ctrl);
		//使能定时器
		assert(FSP_SUCCESS == err);
}


/* 定时器的中断回调 */
void timer0_callback(timer_callback_args_t *p_args) 
{ 
		static uint32_t led_s=0;
    if (TIMER_EVENT_CYCLE_END == p_args->event) 
    {
      
			led_s = !led_s;
			R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_15, led_s);
    }
}

hal_entery

void hal_entry(void)
{
    /* TODO: add your own code here */
	//初始化LED io
	R_IOPORT_Open (&g_ioport_ctrl, g_ioport.p_cfg);
	//串口初始化
	bsp_uart_init();
	//定时器初始化
	bsp_timer_init();
	printf("hello RA4\r\n");
	//
	while(1)
	{
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_04, BSP_IO_LEVEL_LOW);
		R_BSP_SoftwareDelay(100, BSP_DELAY_UNITS_MILLISECONDS); //延时 100毫秒
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_04, BSP_IO_LEVEL_HIGH);
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_05, BSP_IO_LEVEL_LOW);
		R_BSP_SoftwareDelay(100, BSP_DELAY_UNITS_MILLISECONDS); //延时 100毫秒
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_05, BSP_IO_LEVEL_HIGH);

	}
#if BSP_TZ_SECURE_BUILD
    /* Enter non-secure code */
    R_BSP_NonSecureEnter();
#endif
}