#include "indicator_led.h" #include "rtdevice.h" #define LED_BREATH_PERIOD 4000 #define LED_BREATH_MDELAY 20 #define LED_BREATH_HALF_TIMES (LED_BREATH_PERIOD / LED_BREATH_MDELAY / 2) const uint8_t gamma_table[256] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 23, 23, 24, 24, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 34, 35, 35, 36, 37, 38, 38, 39, 40, 41, 42, 42, 43, 44, 45, 46, 47, 48, 49, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 84, 85, 86, 87, 89, 90, 91, 92, 94, 95, 96, 98, 99,100,102,103,104,106,107, 109,110,112,113,114,116,117,119,120,122,123,125,126,128,130,131, 133,134,136,138,139,141,143,144,146,148,149,151,153,154,156,158, 160,161,163,165,167,169,170,172,174,176,178,180,182,183,185,187, 189,191,193,195,197,199,201,203,205,207,209,211,213,215,218,220, 222,224,226,228,230,233,235,237,239,241,244,246,248,250,253,255, }; rt_thread_t led_blink_thread = RT_NULL; rt_thread_t led_breath_thread = RT_NULL; rt_thread_t led_reflash_thread = RT_NULL; // 灯是否处于特定颜色还是闪烁状态 uint8_t LED_State[LED_NUM] = {LED_NOT_BLINKING}; // 灯闪烁颜色缓存 RGBColor_TypeDef LED_Color[LED_NUM] = {0}; // 灯闪烁（呼吸）颜色当前值 RGBColor_TypeDef LED_Tmp_Color = {0}; /** * @brief 设置特定LED的颜色或开关 * @param LedId LED的序号(0~LED_NUM-1) * @param Color 颜色/开关 LED_RED,LED_BLUE,LED_OFF,LED_ON(白色)…… */ void LED_Set(uint16_t LedId, RGBColor_TypeDef Color) { LED_State[LedId] = LED_NOT_BLINKING; Set_LEDColor(LedId, Color); RGB_Reflash(); } /** * @brief 设置连续多个特定LED的颜色或开关 * @param LedId_begin LED的序号(0~LED_NUM-1)开始 * @param LedId_end LED的序号(0~LED_NUM-1)结束 * @param Color 颜色/开关 LED_RED,LED_BLUE,LED_OFF,LED_ON(白色)…… */ void LED_SetMore(uint16_t LedId_begin, uint16_t LedId_end, RGBColor_TypeDef Color) { for (int LedId = LedId_begin; LedId <= LedId_end; LedId++) { LED_State[LedId] = LED_NOT_BLINKING; Set_LEDColor(LedId, Color); } RGB_Reflash(); } /** * @brief 设置特定LED的闪烁 * @param LedId LED的序号(0~LED_NUM-1) * @param Color 颜色 LED_RED,LED_BLUE…… */ void LED_Blink(uint16_t LedId, RGBColor_TypeDef Color) { LED_State[LedId] = LED_IS_BLINKING; LED_Color[LedId] = Color; } /** * @brief 设置连续多个特定LED的闪烁 * @param LedId_begin LED的序号(0~LED_NUM-1)开始 * @param LedId_end LED的序号(0~LED_NUM-1)结束 * @param Color 颜色 LED_RED,LED_BLUE…… */ void LED_BlinkMore(uint16_t LedId_begin, uint16_t LedId_end, RGBColor_TypeDef Color) { for (int LedId = LedId_begin; LedId <= LedId_end; LedId++) { LED_State[LedId] = LED_IS_BLINKING; LED_Color[LedId] = Color; } } /** * @brief 设置特定LED的呼吸 * @param LedId LED的序号(0~LED_NUM-1) * @param Color 颜色 LED_RED,LED_BLUE…… */ void LED_Breath(uint16_t LedId, RGBColor_TypeDef Color) { LED_State[LedId] = LED_IS_BREATHING; LED_Color[LedId] = Color; } /** * @brief 设置连续多个特定LED的呼吸 * @param LedId_begin LED的序号(0~LED_NUM-1)开始 * @param LedId_end LED的序号(0~LED_NUM-1)结束 * @param Color 颜色 LED_RED,LED_BLUE…… */ void LED_BreathMore(uint16_t LedId_begin, uint16_t LedId_end, RGBColor_TypeDef Color) { for (int LedId = LedId_begin; LedId <= LedId_end; LedId++) { LED_State[LedId] = LED_IS_BREATHING; LED_Color[LedId] = Color; } } /** * @brief 灯的闪烁，每0.5s判断各盏灯是否要翻转 */ void led_blink_entry(void *parameter) { (void)parameter; uint16_t LED_Blink_ON = 1, cnt_blink = 0; while (1) { cnt_blink = 0; for (int LedId = 0; LedId < LED_NUM; LedId++) { if (LED_State[LedId] == LED_IS_BLINKING) { cnt_blink++; if (LED_Blink_ON) { Set_LEDColor(LedId, LED_Color[LedId]); } else { Set_LEDColor(LedId, LEDI_OFF); } } } LED_Blink_ON = !LED_Blink_ON; if (cnt_blink) RGB_Reflash(); rt_thread_mdelay(500); } } void breath_add(float *LED_Breath_Percentage) { static int breath_cnt = 0; if(breath_cnt<=LED_BREATH_HALF_TIMES) { *LED_Breath_Percentage =gamma_table[(uint8_t)256.0*breath_cnt/LED_BREATH_HALF_TIMES]; } else { *LED_Breath_Percentage =gamma_table[(uint8_t)256.0*(LED_BREATH_HALF_TIMES*2-breath_cnt)/LED_BREATH_HALF_TIMES]; if (breath_cnt>=LED_BREATH_HALF_TIMES*2) { breath_cnt=0; } } breath_cnt++; } void led_breath_entry(void *parameter) { (void)parameter; float LED_Breath_Percentage = 255; uint16_t LED_Breath_ON = 1, breath_num=0; while (1) { breath_num = 0; for (int LedId = 0; LedId < LED_NUM; LedId++) { if (LED_State[LedId] == LED_IS_BREATHING) { breath_num++; LED_Tmp_Color.G = (uint8_t)LED_Color[LedId].G * LED_Breath_Percentage/255; LED_Tmp_Color.R = (uint8_t)LED_Color[LedId].R * LED_Breath_Percentage/255; LED_Tmp_Color.B = (uint8_t)LED_Color[LedId].B * LED_Breath_Percentage/255; Set_LEDColor(LedId, LED_Tmp_Color); } } breath_add(&LED_Breath_Percentage); if (breath_num) RGB_Reflash(); rt_thread_mdelay(LED_BREATH_MDELAY); } } void led_reflash_entry(void *parameter) { (void)parameter; while (1) { RGB_Reflash(); rt_thread_mdelay(500); } } /** * @brief LED的初始化 */ int led_init(void) { led_blink_thread = rt_thread_create("ledblT", led_blink_entry, RT_NULL, 1024, 20, 20); if (led_blink_thread == RT_NULL) { rt_kprintf("led blink control thread creat failed!\n"); return 0; } rt_thread_startup(led_blink_thread); led_breath_thread = rt_thread_create("ledbrT", led_breath_entry, RT_NULL, 1024, 20, 20); if (led_breath_thread == RT_NULL) { rt_kprintf("led breath control thread creat failed!\n"); return 0; } rt_thread_startup(led_breath_thread); led_reflash_thread = rt_thread_create("ledreT", led_reflash_entry, RT_NULL, 1024, 20, 20); if (led_reflash_thread == RT_NULL) { rt_kprintf("led reflash control thread creat failed!\n"); return 0; } rt_thread_startup(led_reflash_thread); return 0; }