#if 0 #include "system/includes.h" #include "audio_spectrum.h" #define LED_NUM_MAX (18 * 6) static u8 led_rgb_val_buf[24 * LED_NUM_MAX] __attribute__((aligned(4))); void led_spi_init(void); void led_spi_send_rgbbuf_isr(u8 *rgb_buf, u16 led_num); void led_spi_rgb_to_24byte(u8 r, u8 g, u8 b, u8 *buf, int idx); /*********************************************************************************************** * 接口替换区 ***********************************************************************************************/ #define led_init() led_spi_init() #define led_rgb_to_buf(r,g,b,buf,idx) led_spi_rgb_to_24byte(r,g,b,buf,idx) #define led_send_rgbbuf(buf,num) led_spi_send_rgbbuf_isr(buf,num) /*********************************************************************************************** ******** ** r: * * * * * * ******* ******** ** ******** g: * * * * * * ******* ******** ****** ******** b: * * * * * * ******* **** * 流水灯控制驱动原理： *1. 每个模式都会一个周期 *********** *2. 以一个灯为例，一个模式周期内，又分三个颜色，即每个颜色各有各的周期。 * * *3. 最核心的思维是：一个灯的三个颜色的地位是相等的，灯与灯之间，每个灯的地位是相等。 * * *4. 每个颜色在一个周期里分为几个阶段：最暗到最亮，最亮维持，最亮到最暗，最暗维持 ******** ******* *5. 颜色之间可以存在相位差， *6. 灯与灯之间的计数值可以存在相位差 ***********************************************************************************************/ struct led_rgb_t { u8 mode_idx; //灯亮的模式号 u8 div_sec_num; //一条灯带分几段 u8 sec_led_num; //每段灯带几个灯 u8 cnt_freq; //CNT多久加一次，单位10ms，这个值越大，灯变化越慢 u8 rgb_val_max[3]; //可配置某颜色值的最大值，一般是255 u8 rgb_val_min[3]; //可配置某颜色值的最大值，一般是0 int cnt[3]; //单个灯，颜色的变化计数值，cnt的初值，就是三个颜色的相位差。 int next_cnt_dir[3]; //同个颜色灯与灯之间的传递方向和传递间隔, 下一个灯的cnt是上一个灯的cnt+next_cnt_dir int next_sec_cnt_phase[3]; //同个颜色段与段之间的相位差,即下一段灯带的颜色cnt初始值是上一段灯带的cnt+next_sec_cnt_phase int cnt_unit[3]; //CNT加一次加多少，这个值越大，灯变化越快，CNT加到最大周期值后，又从0开始加 int cnt_max_prd[3]; //一个颜色的整个模式的周期, 不管CNT怎么加，都映射在这个周期里，即cnt %= cnt_max_prd int pu_cnt_start[3]; //一个周期内，颜色值上升开始的时间，即这个颜色开始亮了 int pu_cnt_end[3]; //一个周期内，颜色值上升结束的时间，即颜色值达到最大值 int keep_cnt_start[3]; //一个周期内，颜色值维持最大的开始时间，一般为颜色值上升结束的时间 int keep_cnt_end[3]; //一个周期内，颜色值维持最大的结束时间 int pd_cnt_start[3]; //一个周期内，颜色值下降开始的时间，一般为颜色值维持最大的结束时间 int pd_cnt_end[3]; //一个周期内，颜色值下降结束的时间，即颜色值没有为0了 }; static struct led_rgb_t mode0_led_rgb = { .mode_idx = 0, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 0, .cnt[ 0] = 0, .next_cnt_dir[ 0] = -10, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 90, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 30, .keep_cnt_start[0] = 30, .keep_cnt_end[ 0] = 30, .pd_cnt_start[ 0] = 30, .pd_cnt_end[ 0] = 60, //g: .rgb_val_max[ 1] = 255, .rgb_val_min[ 1] = 0, .cnt[ 1] = 30, .next_cnt_dir[ 1] = -10, .cnt_unit[ 1] = 1, .cnt_max_prd[ 1] = 90, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 30, .keep_cnt_start[1] = 30, .keep_cnt_end[ 1] = 30, .pd_cnt_start[ 1] = 30, .pd_cnt_end[ 1] = 60, //b: .rgb_val_max[ 2] = 255, .rgb_val_min[ 2] = 0, .cnt[ 2] = 60, .next_cnt_dir[ 2] = -10, .cnt_unit[ 2] = 1, .cnt_max_prd[ 2] = 90, .pu_cnt_start[ 2] = 0, .pu_cnt_end[ 2] = 30, .keep_cnt_start[2] = 30, .keep_cnt_end[ 2] = 30, .pd_cnt_start[ 2] = 30, .pd_cnt_end[ 2] = 60, }; static struct led_rgb_t mode1_led_rgb = { .mode_idx = 1, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 0, .cnt[ 0] = 0, .next_cnt_dir[ 0] = 6, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 108, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 0, .keep_cnt_start[0] = 0, .keep_cnt_end[ 0] = 54, .pd_cnt_start[ 0] = 54, .pd_cnt_end[ 0] = 54, //g: .rgb_val_max[ 1] = 255, .rgb_val_min[ 1] = 0, .cnt[ 1] = 36, .next_cnt_dir[ 1] = 6, .cnt_unit[ 1] = 1, .cnt_max_prd[ 1] = 108, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 0, .keep_cnt_start[1] = 0, .keep_cnt_end[ 1] = 54, .pd_cnt_start[ 1] = 54, .pd_cnt_end[ 1] = 54, //b: .rgb_val_max[ 2] = 255, .rgb_val_min[ 2] = 0, .cnt[ 2] = 72, .next_cnt_dir[ 2] = 6, .cnt_unit[ 2] = 1, .cnt_max_prd[ 2] = 108, .pu_cnt_start[ 2] = 0, .pu_cnt_end[ 2] = 0, .keep_cnt_start[2] = 0, .keep_cnt_end[ 2] = 54, .pd_cnt_start[ 2] = 54, .pd_cnt_end[ 2] = 54, }; static struct led_rgb_t mode2_led_rgb = { .mode_idx = 2, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 0, .cnt[ 0] = 0, .next_cnt_dir[ 0] = -5, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 90, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 0, .keep_cnt_start[0] = 0, .keep_cnt_end[ 0] = 30, .pd_cnt_start[ 0] = 30, .pd_cnt_end[ 0] = 30, //g: .rgb_val_max[ 1] = 255, .rgb_val_min[ 1] = 0, .cnt[ 1] = 30, .next_cnt_dir[ 1] = -5, .cnt_unit[ 1] = 1, .cnt_max_prd[ 1] = 90, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 0, .keep_cnt_start[1] = 0, .keep_cnt_end[ 1] = 30, .pd_cnt_start[ 1] = 30, .pd_cnt_end[ 1] = 30, //b: .rgb_val_max[ 2] = 255, .rgb_val_min[ 2] = 0, .cnt[ 2] = 60, .next_cnt_dir[ 2] = -5, .cnt_unit[ 2] = 1, .cnt_max_prd[ 2] = 90, .pu_cnt_start[ 2] = 0, .pu_cnt_end[ 2] = 0, .keep_cnt_start[2] = 0, .keep_cnt_end[ 2] = 30, .pd_cnt_start[ 2] = 30, .pd_cnt_end[ 2] = 30, }; static struct led_rgb_t mode3_led_rgb = { .mode_idx = 3, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 0, .cnt[ 0] = 0, .next_cnt_dir[ 0] = 2, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 108, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 0, .keep_cnt_start[0] = 0, .keep_cnt_end[ 0] = 36, .pd_cnt_start[ 0] = 36, .pd_cnt_end[ 0] = 36, //g: .rgb_val_max[ 1] = 255, .rgb_val_min[ 1] = 0, .cnt[ 1] = 36, .next_cnt_dir[ 1] = 2, .cnt_unit[ 1] = 1, .cnt_max_prd[ 1] = 108, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 0, .keep_cnt_start[1] = 0, .keep_cnt_end[ 1] = 36, .pd_cnt_start[ 1] = 36, .pd_cnt_end[ 1] = 36, //b: .rgb_val_max[ 2] = 255, .rgb_val_min[ 2] = 0, .cnt[ 2] = 72, .next_cnt_dir[ 2] = 2, .cnt_unit[ 2] = 1, .cnt_max_prd[ 2] = 108, .pu_cnt_start[ 2] = 0, .pu_cnt_end[ 2] = 0, .keep_cnt_start[2] = 0, .keep_cnt_end[ 2] = 36, .pd_cnt_start[ 2] = 36, .pd_cnt_end[ 2] = 36, }; static struct led_rgb_t mode4_led_rgb = { .mode_idx = 4, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 0, .cnt[ 0] = 0, .next_cnt_dir[ 0] = -12, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 108, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 12, .keep_cnt_start[0] = 12, .keep_cnt_end[ 0] = 24, .pd_cnt_start[ 0] = 24, .pd_cnt_end[ 0] = 36, //g: .rgb_val_max[ 1] = 255, .rgb_val_min[ 1] = 0, .cnt[ 1] = 36, .next_cnt_dir[ 1] = -12, .cnt_unit[ 1] = 1, .cnt_max_prd[ 1] = 108, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 12, .keep_cnt_start[1] = 12, .keep_cnt_end[ 1] = 24, .pd_cnt_start[ 1] = 24, .pd_cnt_end[ 1] = 36, //b: .rgb_val_max[ 2] = 255, .rgb_val_min[ 2] = 0, .cnt[ 2] = 72, .next_cnt_dir[ 2] = -12, .cnt_unit[ 2] = 1, .cnt_max_prd[ 2] = 108, .pu_cnt_start[ 2] = 0, .pu_cnt_end[ 2] = 12, .keep_cnt_start[2] = 12, .keep_cnt_end[ 2] = 24, .pd_cnt_start[ 2] = 24, .pd_cnt_end[ 2] = 36, }; static struct led_rgb_t mode5_led_rgb = { .mode_idx = 5, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 0, .cnt[ 0] = 0, .next_cnt_dir[ 0] = 2, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 108, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 0, .keep_cnt_start[0] = 0, .keep_cnt_end[ 0] = 2, .pd_cnt_start[ 0] = 2, .pd_cnt_end[ 0] = 2, //g: .rgb_val_max[ 1] = 255, .rgb_val_min[ 1] = 0, .cnt[ 1] = 36, .next_cnt_dir[ 1] = 2, .cnt_unit[ 1] = 1, .cnt_max_prd[ 1] = 108, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 0, .keep_cnt_start[1] = 0, .keep_cnt_end[ 1] = 2, .pd_cnt_start[ 1] = 2, .pd_cnt_end[ 1] = 2, //b: .rgb_val_max[ 2] = 255, .rgb_val_min[ 2] = 0, .cnt[ 2] = 72, .next_cnt_dir[ 2] = 2, .cnt_unit[ 2] = 1, .cnt_max_prd[ 2] = 108, .pu_cnt_start[ 2] = 0, .pu_cnt_end[ 2] = 0, .keep_cnt_start[2] = 0, .keep_cnt_end[ 2] = 2, .pd_cnt_start[ 2] = 2, .pd_cnt_end[ 2] = 2, }; static struct led_rgb_t mode6_led_rgb = { .mode_idx = 6, .div_sec_num = 4, .sec_led_num = 6, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 200, .cnt[ 0] = 0, .next_cnt_dir[ 0] = -18, .cnt_unit[ 0] = 1, .cnt_max_prd[ 0] = 48, .pu_cnt_start[ 0] = 0, .pu_cnt_end[ 0] = 0, .keep_cnt_start[0] = 0, .keep_cnt_end[ 0] = 24, .pd_cnt_start[ 0] = 24, .pd_cnt_end[ 0] = 24, .next_sec_cnt_phase[0] = 18, //g: .rgb_val_max[ 1] = 128, .rgb_val_min[ 1] = 32, .cnt[ 1] = 0, .next_cnt_dir[ 1] = 18, .cnt_unit[ 1] = 0, .cnt_max_prd[ 1] = 108, .pu_cnt_start[ 1] = 0, .pu_cnt_end[ 1] = 0, .keep_cnt_start[1] = 0, .keep_cnt_end[ 1] = 1, .pd_cnt_start[ 1] = 1, .pd_cnt_end[ 1] = 108, }; static struct led_rgb_t mode7_led_rgb = { .mode_idx = 7, .div_sec_num = 6, .sec_led_num = 18, .cnt_freq = 1, //r: .rgb_val_max[ 0] = 255, .rgb_val_min[ 0] = 255, }; struct led_rgb_t *led_rgb_table[] = { &mode0_led_rgb,//流水灯 &mode1_led_rgb,//流水灯 &mode2_led_rgb,//流水灯 &mode3_led_rgb,//流水灯 &mode4_led_rgb,//流水灯 &mode5_led_rgb,//流水灯 &mode6_led_rgb,//用于4X6火焰效果 &mode7_led_rgb,//用于显示播歌的频点能量 }; extern spectrum_fft_hdl *spec_hdl; static short db_data_old[32]; static short led_on_table[32]; /* * @brief 获取频谱能量,板级头文件要定义音频的宏#define AUDIO_SPECTRUM_CONFIG 1 //频响能量值获取接口 * @param p 音频接口的结构体参数 */ void led_get_spectrum(void *p) { spectrum_fft_hdl *hdl = p; if (hdl) { u8 db_num = audio_spectrum_fft_get_num(hdl);//获取频谱个数 short *db_data = audio_spectrum_fft_get_val(hdl);//获取存储频谱值得地址 if (!db_data) { return; } for (int i = 0; i < db_num; i++) { if (i < 32) { led_on_table[i] = db_data[i] - db_data_old[i]; db_data_old[i] = db_data[i]; } } } } /* * @brief 一段灯带亮灯的数量 * @param led_rgb 该模式结构体参数 * @param sec_num 第几段灯带 * @return 可以亮灯的数量 */ int get_led_sec_on_num(struct led_rgb_t *led_rgb, int sec_num) { int on_num = led_rgb->sec_led_num; switch (led_rgb->mode_idx) { case 0: break; case 1: break; case 2: break; case 3: break; case 4: break; case 5: break; case 6: break; case 7: if (spec_hdl) { short sum0 = 0; short sum1 = 0; int tmp = 32 / led_rgb->div_sec_num; for (short i = 0; i < tmp; i ++) { sum0 += led_on_table[i + sec_num * tmp]; sum1 += db_data_old[i + sec_num * tmp]; } sum0 /= 5; sum1 /= 5; short num = ((sum1 * led_rgb->sec_led_num / 90) + sum0); if (num < 0) { num = 0; } on_num = num % led_rgb->sec_led_num; } break; } return on_num; } /* * @brief 约束CNT值在周期值内 * @param led_rgb 该模式结构体参数 * @param colour 颜色号：0,红色 1,绿色 2,蓝色 * @param cnt 颜色对应的计数值 * @return 映射后的值 */ int get_map_cnt(struct led_rgb_t *led_rgb, int colour, int cnt) { if (led_rgb->cnt_max_prd[colour] == 0) { return 0; } while (cnt < 0) { cnt += led_rgb->cnt_max_prd[colour]; } cnt %= led_rgb->cnt_max_prd[colour]; return cnt; } /* * @brief 将CNT值转换为RGB值 * @param led_rgb 该模式结构体参数 * @param colour 颜色号：0,红色 1,绿色 2,蓝色 * @param cnt 颜色对应的计数值 * @return 对应的颜色亮度值 */ u8 led_cnt_to_rgb_val(struct led_rgb_t *led_rgb, int colour, int cnt) { u8 rgb_val = led_rgb->rgb_val_min[colour]; int tmp_cnt = 0; int i = colour; int rgb_val_delta = led_rgb->rgb_val_max[i] - led_rgb->rgb_val_min[i]; if ((led_rgb->pu_cnt_start[i] <= cnt) && (cnt < led_rgb->pu_cnt_end[i])) { //递增区间 tmp_cnt = cnt - led_rgb->pu_cnt_start[i] + 1; rgb_val = led_rgb->rgb_val_min[i] + (tmp_cnt * rgb_val_delta / (led_rgb->pu_cnt_end[i] - led_rgb->pu_cnt_start[i])); } else if ((led_rgb->keep_cnt_start[i] <= cnt) && (cnt < led_rgb->keep_cnt_end[i])) { //高维持区间 rgb_val = led_rgb->rgb_val_max[i]; } else if ((led_rgb->pd_cnt_start[i] <= cnt) && (cnt < led_rgb->pd_cnt_end[i])) { //递减区间 tmp_cnt = led_rgb->pd_cnt_end[i] - cnt - 1; rgb_val = led_rgb->rgb_val_min[i] + (tmp_cnt * rgb_val_delta / (led_rgb->pd_cnt_end[i] - led_rgb->pd_cnt_start[i])); } return rgb_val; } /* * @brief 更新RGB的DMA buf数据，并发送出去，更新灯带 * @param led_rgb 该模式结构体参数 * @param cnt 基础节拍计数值 */ void led_rgb_upgrade(struct led_rgb_t *led_rgb, int cnt) { u8 r_val = 0; u8 g_val = 0; u8 b_val = 0; if ((cnt % led_rgb->cnt_freq) == 0) { led_rgb->cnt[0] = get_map_cnt(led_rgb, 0, led_rgb->cnt[0] + led_rgb->cnt_unit[0]); led_rgb->cnt[1] = get_map_cnt(led_rgb, 1, led_rgb->cnt[1] + led_rgb->cnt_unit[1]); led_rgb->cnt[2] = get_map_cnt(led_rgb, 2, led_rgb->cnt[2] + led_rgb->cnt_unit[2]); for (int i = 0; i < led_rgb->div_sec_num; i ++) { int led_on_num = get_led_sec_on_num(led_rgb, i); for (int j = 0; j < led_rgb->sec_led_num; j ++) { r_val = led_cnt_to_rgb_val(led_rgb, 0, get_map_cnt(led_rgb, 0, led_rgb->cnt[0] + (i * led_rgb->next_sec_cnt_phase[0] + j) * led_rgb->next_cnt_dir[0])); g_val = led_cnt_to_rgb_val(led_rgb, 1, get_map_cnt(led_rgb, 1, led_rgb->cnt[1] + (i * led_rgb->next_sec_cnt_phase[1] + j) * led_rgb->next_cnt_dir[1])); b_val = led_cnt_to_rgb_val(led_rgb, 2, get_map_cnt(led_rgb, 2, led_rgb->cnt[2] + (i * led_rgb->next_sec_cnt_phase[2] + j) * led_rgb->next_cnt_dir[2])); if (j >= led_on_num) { r_val = 0; g_val = 0; b_val = 0; } led_rgb_to_buf(r_val, g_val, b_val, led_rgb_val_buf, i * led_rgb->sec_led_num + j); } } led_send_rgbbuf(led_rgb_val_buf, led_rgb->div_sec_num * led_rgb->sec_led_num); } } /* * @brief 定时轮询各模式 */ void led_rgb_scan(void *priv) { static u32 step_cnt = 0; static u32 mode_idx = 0; static struct led_rgb_t *led_rgb = NULL; if ((step_cnt % 800) == 0) { //8s step_cnt = 0; led_rgb = led_rgb_table[mode_idx]; mode_idx ++; if (mode_idx >= (sizeof(led_rgb_table) / 4)) { mode_idx = 0; } } led_rgb_upgrade(led_rgb, step_cnt); step_cnt ++; } void my_led_test(void) { printf("****************** led test *******************\n"); led_init(); sys_timer_add(NULL, led_rgb_scan, 10); sys_timer_add(spec_hdl, led_get_spectrum, 100);//定期获取能量值 } #endif