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79 lines
2.5 KiB
79 lines
2.5 KiB
#include "led.h"
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static struct led *led_table[LED_MAX_NUM];
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static uint32_t p_led_table=0;
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/**
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* @brief 注册LED灯
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*
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* @param led struct led 结构指针
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* @param gpio LED所在的GPIO
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* @param pin LED所在的引脚
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* @param state LED初始状态
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* @param level_on LED点亮时的电平 1:高 0:低
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* @return int 0:成功 非0:失败
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*/
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int led_register(struct led *led,GPIO_TypeDef *gpio,uint16_t pin,enum led_state state,uint16_t level_on)
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{
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if(p_led_table>=LED_MAX_NUM-1){
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return -1;
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}
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led->gpio=gpio;
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led->pin=pin;
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led->state=state;
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led->level_on=level_on;
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led_table[p_led_table++]=led;
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return 0;
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}
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/**
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* @brief 设置LED状态
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*
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* @param led struct led 结构指针
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* @param state LED状态
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* @return int 0:成功
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*/
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int led_set_state(struct led *led,enum led_state state)
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{
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led->state=state;
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return 0;
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}
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/**
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* @brief led回调函数 每100ms调用一次
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*
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*/
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void led_callback(void)
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{
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int i;
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static uint32_t tick_con=0;
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tick_con++;
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for(i=0;i<p_led_table;i++){
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switch (led_table[i]->state)
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{
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case LED_STATE_OFF:
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HAL_GPIO_WritePin( led_table[i]->gpio,led_table[i]->pin,(~led_table[i]->level_on)&1 );
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// GPIO_WriteBit(led_table[i]->gpio,led_table[i]->pin,(~led_table[i]->level_on)&1);
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break;
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case LED_STATE_ON:
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HAL_GPIO_WritePin( led_table[i]->gpio,led_table[i]->pin,led_table[i]->level_on&1 );
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// GPIO_WriteBit(led_table[i]->gpio,led_table[i]->pin,led_table[i]->level_on&1);
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break;
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case LED_STATE_FLICKER_QUICK:
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HAL_GPIO_TogglePin( led_table[i]->gpio,led_table[i]->pin);
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// GPIO_WriteBit(led_table[i]->gpio,led_table[i]->pin,!GPIO_ReadOutputDataBit(led_table[i]->gpio,led_table[i]->pin));
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break;
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case LED_STATE_FLICKER_MEDIUM:
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if((tick_con&0x01)==0){
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HAL_GPIO_TogglePin( led_table[i]->gpio,led_table[i]->pin);
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// GPIO_WriteBit(led_table[i]->gpio,led_table[i]->pin,!GPIO_ReadOutputDataBit(led_table[i]->gpio,led_table[i]->pin));
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}
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break;
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case LED_STATE_FLICKER_SLOW:
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if((tick_con&0x03)==0){
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HAL_GPIO_TogglePin( led_table[i]->gpio,led_table[i]->pin);
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// GPIO_WriteBit(led_table[i]->gpio,led_table[i]->pin,!GPIO_ReadOutputDataBit(led_table[i]->gpio,led_table[i]->pin));
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}
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break;
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default:
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break;
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}
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}
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} |