133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/**
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* PWM 输出与 LED 控制模块实现
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*/
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#include "pwm_out.h"
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/* 全局配置 */
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uint8_t pwm1_mode = PWM_MODE_DISABLED;
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uint8_t pwm2_mode = PWM_MODE_DISABLED;
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uint8_t ws2812_effect = WS2812_MODE_RAINBOW_BREATH;
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uint8_t led_brightness = 50;
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uint8_t vibrate_level = 5;
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/* LED 闪烁状态 */
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static uint8_t led_nrf_mode = 3; /* 0=慢闪, 1=快闪, 2=常亮, 3=灭 */
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static uint8_t led_crfs_mode = 3;
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static uint16_t led_tick = 0;
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static uint8_t led_blink_state = 0;
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/* WS2812 动画状态 */
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static uint8_t ws2812_tick = 0;
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static uint8_t ws2812_hue = 0;
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void PWM_Init(void) {
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/* 启动 TIM3 PWM (LED 指示灯) */
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HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1); /* PC6 - 系统状态 */
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HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_2); /* PC7 - NRF 状态 */
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HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_3); /* PC8 - CRFS 状态 */
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/* 初始全灭 */
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__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_1, 0);
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__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 0);
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__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, 0);
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/* TIM4 初始关闭 */
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HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3);
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HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_4);
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}
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/* ---- LED 指示灯 ---- */
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void LED_SetSystem(uint8_t on) {
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/* PC6: 系统状态 - 开机常亮 */
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__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_1, on ? 65535 : 0);
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}
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void LED_SetNRF(uint8_t mode) {
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led_nrf_mode = mode;
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}
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void LED_SetCRFS(uint8_t mode) {
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led_crfs_mode = mode;
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}
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void LED_Update(void) {
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led_tick++;
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/* NRF LED (PC7) */
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uint16_t nrf_val = 0;
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switch (led_nrf_mode) {
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case 0: /* 慢闪: 500ms on / 500ms off */
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nrf_val = ((led_tick % 100) < 50) ? 65535 : 0;
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break;
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case 1: /* 快闪: 100ms on / 100ms off */
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nrf_val = ((led_tick % 20) < 10) ? 65535 : 0;
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break;
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case 2: /* 常亮 */
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nrf_val = 65535;
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break;
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case 3: /* 灭 */
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default:
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nrf_val = 0;
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break;
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}
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__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, nrf_val);
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/* CRFS LED (PC8) */
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uint16_t crfs_val = 0;
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switch (led_crfs_mode) {
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case 0: crfs_val = ((led_tick % 100) < 50) ? 65535 : 0; break;
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case 1: crfs_val = ((led_tick % 20) < 10) ? 65535 : 0; break;
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case 2: crfs_val = 65535; break;
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default: crfs_val = 0; break;
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}
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__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, crfs_val);
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}
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/* ---- PWM 输出控制 ---- */
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void PWM_SetMode(uint8_t ch, uint8_t mode) {
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if (ch == 0) {
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pwm1_mode = mode;
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if (mode == PWM_MODE_DISABLED) {
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HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3);
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} else {
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HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_3);
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}
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} else {
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pwm2_mode = mode;
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if (mode == PWM_MODE_DISABLED) {
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HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_4);
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} else {
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HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_4);
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}
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}
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}
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void PWM_SetWS2812Mode(uint8_t mode) {
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if (mode >= WS2812_MODE_COUNT) return;
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ws2812_effect = mode;
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ws2812_tick = 0;
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ws2812_hue = 0;
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}
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void PWM_SetLEDBrightness(uint8_t brightness) {
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if (brightness > 100) brightness = 100;
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led_brightness = brightness;
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uint16_t pwm_val = (uint32_t)65535 * brightness / 100;
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/* 应用到已启用的 LED 模式通道 */
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if (pwm1_mode == PWM_MODE_LED)
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__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_3, pwm_val);
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if (pwm2_mode == PWM_MODE_LED)
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__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_4, pwm_val);
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}
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void PWM_SetVibrateLevel(uint8_t level) {
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if (level < VIBRATE_LEVEL_MIN) level = VIBRATE_LEVEL_MIN;
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if (level > VIBRATE_LEVEL_MAX) level = VIBRATE_LEVEL_MAX;
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vibrate_level = level;
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uint16_t pwm_val = (uint32_t)65535 * level / VIBRATE_LEVEL_MAX;
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if (pwm1_mode == PWM_MODE_VIBRATE)
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__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_3, pwm_val);
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if (pwm2_mode == PWM_MODE_VIBRATE)
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__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_4, pwm_val);
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}
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