1.新建一個一個工作空間文件夾

2.創(chuàng)建一個工程

2.1

2.2

2.3 選擇 FSP 庫版本、板子型號、設(shè)備（MCU）型號、編程語言、編譯器

2.4

2.5

2.6

2.7

2.8 代碼生成

2.9 代碼生成結(jié)果

2.10 通過MDK 打卡RASC配置軟件

2.11

LED硬件信息

3.1 LED

3.2 RASC 配置gpio

屬性說明：

生成代碼

軟件編寫

軟件入口函數(shù)

void hal_entry(void)

led 閃爍函數(shù)

void hal_entry(void)
{
    /* TODO: add your own code here */
	//初始化io
	R_IOPORT_Open (&g_ioport_ctrl, g_ioport.p_cfg);
	//
	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); //延時 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); //延時 100毫秒
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_05, BSP_IO_LEVEL_HIGH);
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_15, BSP_IO_LEVEL_LOW);
		R_BSP_SoftwareDelay(100, BSP_DELAY_UNITS_MILLISECONDS); //延時 100毫秒
		R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_04_PIN_15, BSP_IO_LEVEL_HIGH);
	}
#if BSP_TZ_SECURE_BUILD
    /* Enter non-secure code */
    R_BSP_NonSecureEnter();
#endif
}

系統(tǒng)延時函數(shù)

/*


void R_BSP_SoftwareDelay (uint32_t delay, bsp_delay_units_t units)
delay:時間數(shù)量
units:時間單位
*/

可選的時間單位

```c

typedef enum
{
    BSP_DELAY_UNITS_SECONDS      = 1000000, ///< Requested delay amount is in seconds
    BSP_DELAY_UNITS_MILLISECONDS = 1000,    ///< Requested delay amount is in milliseconds
    BSP_DELAY_UNITS_MICROSECONDS = 1        ///< Requested delay amount is in microseconds
} bsp_delay_units_t;

gpio相關(guān)的函數(shù)

fsp_err_t R_IOPORT_Open(ioport_ctrl_t * const p_ctrl, const ioport_cfg_t * p_cfg);
fsp_err_t R_IOPORT_Close(ioport_ctrl_t * const p_ctrl);
fsp_err_t R_IOPORT_PinsCfg(ioport_ctrl_t * const p_ctrl, const ioport_cfg_t * p_cfg);
fsp_err_t R_IOPORT_PinCfg(ioport_ctrl_t * const p_ctrl, bsp_io_port_pin_t pin, uint32_t cfg);
fsp_err_t R_IOPORT_PinEventInputRead(ioport_ctrl_t * const p_ctrl, bsp_io_port_pin_t pin, bsp_io_level_t * p_pin_event);
fsp_err_t R_IOPORT_PinEventOutputWrite(ioport_ctrl_t * const p_ctrl, bsp_io_port_pin_t pin, bsp_io_level_t pin_value);
fsp_err_t R_IOPORT_PinRead(ioport_ctrl_t * const p_ctrl, bsp_io_port_pin_t pin, bsp_io_level_t * p_pin_value);
fsp_err_t R_IOPORT_PinWrite(ioport_ctrl_t * const p_ctrl, bsp_io_port_pin_t pin, bsp_io_level_t level);
fsp_err_t R_IOPORT_PortDirectionSet(ioport_ctrl_t * const p_ctrl,
                                    bsp_io_port_t         port,
                                    ioport_size_t         direction_values,
                                    ioport_size_t         mask);
fsp_err_t R_IOPORT_PortEventInputRead(ioport_ctrl_t * const p_ctrl, bsp_io_port_t port, ioport_size_t * event_data);
fsp_err_t R_IOPORT_PortEventOutputWrite(ioport_ctrl_t * const p_ctrl,
                                        bsp_io_port_t         port,
                                        ioport_size_t         event_data,
                                        ioport_size_t         mask_value);
fsp_err_t R_IOPORT_PortRead(ioport_ctrl_t * const p_ctrl, bsp_io_port_t port, ioport_size_t * p_port_value);
fsp_err_t R_IOPORT_PortWrite(ioport_ctrl_t * const p_ctrl, bsp_io_port_t port, ioport_size_t value, ioport_size_t mask);

審核編輯 黃昊宇