71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#include <rtthread.h>
|
|
#include <stm32f10x.h>
|
|
|
|
#define RCC_APB2Periph_GPIO_LED RCC_APB2Periph_GPIOF
|
|
#define GPIO_LED GPIOF
|
|
#define GPIO_Pin_LED GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9
|
|
|
|
static const rt_uint16_t led_map[] = {GPIO_Pin_6, GPIO_Pin_7, GPIO_Pin_8, GPIO_Pin_9};
|
|
static rt_uint8_t led_inited = 0;
|
|
|
|
static void GPIO_Configuration(void)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_LED;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_Init(GPIO_LED, &GPIO_InitStructure);
|
|
}
|
|
|
|
void LED_Configuration(void)
|
|
{
|
|
/* enable led clock */
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_LED, ENABLE);
|
|
|
|
GPIO_Configuration();
|
|
}
|
|
|
|
void rt_hw_led_init()
|
|
{
|
|
/* init led configuration if it's not inited. */
|
|
if (!led_inited)
|
|
{
|
|
LED_Configuration();
|
|
led_inited = 1;
|
|
}
|
|
}
|
|
|
|
void rt_hw_led_on(rt_uint32_t led)
|
|
{
|
|
if (led < sizeof(led_map)/sizeof(rt_uint16_t))
|
|
GPIO_SetBits(GPIO_LED, led_map[led]);
|
|
}
|
|
|
|
void rt_hw_led_off(rt_uint32_t led)
|
|
{
|
|
if (led < sizeof(led_map)/sizeof(rt_uint16_t))
|
|
GPIO_ResetBits(GPIO_LED, led_map[led]);
|
|
}
|
|
|
|
#ifdef RT_USING_FINSH
|
|
#include <finsh.h>
|
|
void led(rt_uint32_t led, rt_uint32_t value)
|
|
{
|
|
/* init led configuration if it's not inited. */
|
|
if (!led_inited)
|
|
{
|
|
LED_Configuration();
|
|
led_inited = 1;
|
|
}
|
|
|
|
/* set led status */
|
|
if (value)
|
|
rt_hw_led_on(led);
|
|
else
|
|
rt_hw_led_off(led);
|
|
}
|
|
FINSH_FUNCTION_EXPORT(led, set led[0 - 3] on[1] or off[0].)
|
|
#endif
|
|
|