typedef enum {
LEDC_HIGH_SPEED_MODE = 0, /*!< LEDC high speed speed_mode */
- //in this version, we only support high speed speed_mode. We will access low speed speed_mode later
- //LEDC_LOW_SPEED_MODE, /*!< LEDC low speed speed_mode */
+ LEDC_LOW_SPEED_MODE, /*!< LEDC low speed speed_mode */
LEDC_SPEED_MODE_MAX, /*!< LEDC speed limit */
} ledc_mode_t;
* After ledc_set_duty, ledc_set_fade, we need to call this function to update the settings.
*
* @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode,
- * now we only support high-speed mode.
- * We will access low-speed mode in next version
* @param channel LEDC channel(0-7), select from ledc_channel_t
*
* @return
* @brief LEDC stop.
* Disable LEDC output, and set idle level
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param channel LEDC channel(0-7), select from ledc_channel_t
* @param idle_level Set output idle level after LEDC stops.
*
/**
* @brief LEDC set channel frequency(Hz)
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param timer_num LEDC timer index(0-3), select from ledc_timer_t
* @param freq_hz Set the LEDC frequency
*
/**
* @brief LEDC get channel frequency(Hz)
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param timer_num LEDC timer index(0-3), select from ledc_timer_t
*
* @return
* @brief LEDC set duty
* Only after calling ledc_update_duty will the duty update.
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param channel LEDC channel(0-7), select from ledc_channel_t
* @param duty Set the LEDC duty, the duty range is [0, (2**bit_num) - 1]
*
/**
* @brief LEDC get duty
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param channel LEDC channel(0-7), select from ledc_channel_t
*
* @return
* @brief LEDC set gradient
* Set LEDC gradient, After the function calls the ledc_update_duty function, the function can take effect.
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param channel LEDC channel(0-7), select from ledc_channel_t
* @param duty Set the start of the gradient duty, the duty range is [0, (2**bit_num) - 1]
* @param gradule_direction Set the direction of the gradient
/**
* @brief Configure LEDC settings
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param timer_sel Timer index(0-3), there are 4 timers in LEDC module
* @param div_num Timer clock divide number, the timer clock is divided from the selected clock source
* @param bit_num The count number of one period, counter range is 0 ~ ((2 ** bit_num) - 1)
/**
* @brief Reset LEDC timer
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param timer_sel LEDC timer index(0-3), select from ledc_timer_t
*
* @return
/**
* @brief Pause LEDC timer counter
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param timer_sel LEDC timer index(0-3), select from ledc_timer_t
*
* @return
/**
* @brief Resume LEDC timer
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param timer_sel LEDC timer index(0-3), select from ledc_timer_t
*
* @return
/**
* @brief Bind LEDC channel with the selected timer
*
- * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param channel LEDC channel index(0-7), select from ledc_channel_t
* @param timer_idx LEDC timer index(0-3), select from ledc_timer_t
*
* Call ledc_fade_start() after this to start fading.
*
* @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode,
- * For now we only support high-speed mode. We will access low-speed mode soon.
* @param channel LEDC channel index(0-7), select from ledc_channel_t
* @param target_duty Target duty of fading.( 0 - (2 ** bit_num - 1)))
* @param scale Controls the increase or decrease step scale.
* - ESP_ERR_INVALID_ARG Parameter error
* - ESP_OK Success
* - ESP_ERR_INVALID_STATE Fade function not installed.
+ * - ESP_FAIL Fade function init error
*/
esp_err_t ledc_set_fade_with_step(ledc_mode_t speed_mode, ledc_channel_t channel, int target_duty, int scale, int cycle_num);
* Call ledc_fade_start() after this to start fading.
*
* @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode,
- * For now we only support high-speed mode. We will access low-speed mode soon.
* @param channel LEDC channel index(0-7), select from ledc_channel_t
* @param target_duty Target duty of fading.( 0 - (2 ** bit_num - 1)))
* @param max_fade_time_ms The maximum time of the fading ( ms ).
* - ESP_ERR_INVALID_ARG Parameter error
* - ESP_OK Success
* - ESP_ERR_INVALID_STATE Fade function not installed.
+ * - ESP_FAIL Fade function init error
*/
esp_err_t ledc_set_fade_with_time(ledc_mode_t speed_mode, ledc_channel_t channel, int target_duty, int max_fade_time_ms);
* ESP_INTR_FLAG_* values. See esp_intr_alloc.h for more info.
*
* @return
- * - ESP_ERR_NO_MEM No enough memory
* - ESP_OK Success
* - ESP_ERR_INVALID_STATE Fade function already installed.
*/
/**
* @brief Start LEDC fading.
*
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
* @param channel LEDC channel number
* @param wait_done Whether to block until fading done.
*
* - ESP_ERR_INVALID_STATE Fade function not installed.
* - ESP_ERR_INVALID_ARG Parameter error.
*/
-esp_err_t ledc_fade_start(ledc_channel_t channel, ledc_fade_mode_t wait_done);
+esp_err_t ledc_fade_start(ledc_mode_t speed_mode, ledc_channel_t channel, ledc_fade_mode_t wait_done);
#ifdef __cplusplus
}
xSemaphoreHandle ledc_fade_sem;
xSemaphoreHandle ledc_fade_mux;
} ledc_fade_t;
-static ledc_fade_t* s_ledc_fade_rec = NULL;
+
+static ledc_fade_t *s_ledc_fade_rec[LEDC_SPEED_MODE_MAX][LEDC_CHANNEL_MAX];
static ledc_isr_handle_t s_ledc_fade_isr_handle = NULL;
#define LEDC_VAL_NO_CHANGE (-1)
#define LEDC_FADE_TARGET_ERR_STR "LEDC fade target duty error"
#define LEDC_FADE_INSTALLED_ERR_STR "LEDC fade service already installed"
#define LEDC_FADE_MODE_ERR_STR "LEDC fade mode error"
+#define LEDC_FADE_INIT_ERROR_STR "LEDC fade channel init error"
+static void ledc_ls_timer_update(ledc_mode_t speed_mode, ledc_timer_t timer_sel)
+{
+ if (speed_mode == LEDC_LOW_SPEED_MODE) {
+ LEDC.timer_group[speed_mode].timer[timer_sel].conf.low_speed_update = 1;
+ }
+}
-esp_err_t ledc_timer_set(ledc_mode_t speed_mode, ledc_timer_t timer_sel, uint32_t div_num, uint32_t bit_num, ledc_clk_src_t clk_src)
+static IRAM_ATTR void ledc_ls_channel_update(ledc_mode_t speed_mode, ledc_channel_t channel_num)
+{
+ if (speed_mode == LEDC_LOW_SPEED_MODE) {
+ LEDC.channel_group[speed_mode].channel[channel_num].conf0.low_speed_update = 1;
+ }
+}
+
+esp_err_t ledc_timer_set(ledc_mode_t speed_mode, ledc_timer_t timer_sel, uint32_t div_num, uint32_t bit_num,
+ ledc_clk_src_t clk_src)
{
LEDC_CHECK(speed_mode < LEDC_SPEED_MODE_MAX, LEDC_MODE_ERR_STR, ESP_ERR_INVALID_ARG);
LEDC_CHECK(timer_sel <= LEDC_TIMER_3, LEDC_TIMER_ERR_STR, ESP_ERR_INVALID_ARG);
LEDC.timer_group[speed_mode].timer[timer_sel].conf.div_num = div_num;
LEDC.timer_group[speed_mode].timer[timer_sel].conf.tick_sel = clk_src;
LEDC.timer_group[speed_mode].timer[timer_sel].conf.bit_num = bit_num;
- if (speed_mode != LEDC_HIGH_SPEED_MODE) {
- LEDC.timer_group[speed_mode].timer[timer_sel].conf.low_speed_update = 1;
- }
+ ledc_ls_timer_update(speed_mode, timer_sel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
((duty_num & LEDC_DUTY_NUM_HSCH0_V) << LEDC_DUTY_NUM_HSCH0_S) |
((duty_cycle & LEDC_DUTY_CYCLE_HSCH0_V) << LEDC_DUTY_CYCLE_HSCH0_S) |
((duty_scale & LEDC_DUTY_SCALE_HSCH0_V) << LEDC_DUTY_SCALE_HSCH0_S);
+ ledc_ls_channel_update(speed_mode, channel_num);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
LEDC_CHECK(timer_idx <= LEDC_TIMER_3, LEDC_TIMER_ERR_STR, ESP_ERR_INVALID_ARG);
portENTER_CRITICAL(&ledc_spinlock);
LEDC.channel_group[speed_mode].channel[channel].conf0.timer_sel = timer_idx;
+ ledc_ls_channel_update(speed_mode, channel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
portENTER_CRITICAL(&ledc_spinlock);
LEDC.timer_group[speed_mode].timer[timer_sel].conf.rst = 1;
LEDC.timer_group[speed_mode].timer[timer_sel].conf.rst = 0;
+ ledc_ls_timer_update(speed_mode, timer_sel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
LEDC_CHECK(timer_sel <= LEDC_TIMER_3, LEDC_TIMER_ERR_STR, ESP_ERR_INVALID_ARG);
portENTER_CRITICAL(&ledc_spinlock);
LEDC.timer_group[speed_mode].timer[timer_sel].conf.pause = 1;
+ ledc_ls_timer_update(speed_mode, timer_sel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
LEDC_CHECK(timer_sel <= LEDC_TIMER_3, LEDC_TIMER_ERR_STR, ESP_ERR_INVALID_ARG);
portENTER_CRITICAL(&ledc_spinlock);
LEDC.timer_group[speed_mode].timer[timer_sel].conf.pause = 0;
+ ledc_ls_timer_update(speed_mode, timer_sel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
uint32_t intr_type = type;
portENTER_CRITICAL(&ledc_spinlock);
value = LEDC.int_ena.val;
+ uint8_t int_en_base = LEDC_DUTY_CHNG_END_HSCH0_INT_ENA_S;
+ if (speed_mode == LEDC_LOW_SPEED_MODE) {
+ int_en_base = LEDC_DUTY_CHNG_END_LSCH0_INT_ENA_S;
+ }
if (intr_type == LEDC_INTR_FADE_END) {
- LEDC.int_ena.val = value | BIT(LEDC_DUTY_CHNG_END_HSCH0_INT_ENA_S + channel);
+ LEDC.int_ena.val = value | BIT(int_en_base + channel);
} else {
- LEDC.int_ena.val = ( value & ( ~( BIT(LEDC_DUTY_CHNG_END_HSCH0_INT_ENA_S + channel) ) ) );
+ LEDC.int_ena.val = (value & (~(BIT(int_en_base + channel))));
}
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
if (div_param > LEDC_DIV_NUM_HSTIMER0_V) {
// APB_CLK results in divisor which too high. Try using REF_TICK as clock source.
timer_clk_src = LEDC_REF_TICK;
- div_param = ( (uint64_t) LEDC_REF_CLK_HZ << 8 ) / freq_hz / precision;
+ div_param = ((uint64_t) LEDC_REF_CLK_HZ << 8) / freq_hz / precision;
if (div_param < 256 || div_param > LEDC_DIV_NUM_HSTIMER0_V) {
ESP_LOGE(LEDC_TAG, "requested frequency and bit depth can not be achieved, try increasing freq_hz or bit_num. div_param=%d",
(uint32_t ) div_param);
ret = ESP_FAIL;
}
+ } else {
+ if (speed_mode == LEDC_LOW_SPEED_MODE) {
+ //for now, we only select 80mhz for slow clk of LEDC low speed channels.
+ LEDC.conf.slow_clk_sel = 1;
+ }
}
// set timer parameters
ledc_timer_set(speed_mode, timer_num, div_param, bit_num, timer_clk_src);
if (speed_mode == LEDC_HIGH_SPEED_MODE) {
gpio_matrix_out(gpio_num, LEDC_HS_SIG_OUT0_IDX + ledc_channel, 0, 0);
} else {
- ESP_LOGE(LEDC_TAG, "low speed mode is not implemented");
- return ESP_ERR_NOT_SUPPORTED;
+ gpio_matrix_out(gpio_num, LEDC_LS_SIG_OUT0_IDX + ledc_channel, 0, 0);
}
return ESP_OK;
}
/*set LEDC signal in gpio matrix*/
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[gpio_num], PIN_FUNC_GPIO);
gpio_set_direction(gpio_num, GPIO_MODE_OUTPUT);
- gpio_matrix_out(gpio_num, LEDC_HS_SIG_OUT0_IDX + ledc_channel, 0, 0);
+ if (speed_mode == LEDC_HIGH_SPEED_MODE) {
+ gpio_matrix_out(gpio_num, LEDC_HS_SIG_OUT0_IDX + ledc_channel, 0, 0);
+ } else {
+ gpio_matrix_out(gpio_num, LEDC_LS_SIG_OUT0_IDX + ledc_channel, 0, 0);
+ }
return ret;
}
portENTER_CRITICAL(&ledc_spinlock);
LEDC.channel_group[speed_mode].channel[channel].conf0.sig_out_en = 1;
LEDC.channel_group[speed_mode].channel[channel].conf1.duty_start = 1;
+ ledc_ls_channel_update(speed_mode, channel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
LEDC.channel_group[speed_mode].channel[channel].conf0.idle_lv = idle_level & 0x1;
LEDC.channel_group[speed_mode].channel[channel].conf0.sig_out_en = 0;
LEDC.channel_group[speed_mode].channel[channel].conf1.duty_start = 0;
+ ledc_ls_channel_update(speed_mode, channel);
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
ESP_LOGE(LEDC_TAG, "step_num=%u duty_cyle_num=%u duty_scale=%u", step_num, duty_cyle_num, duty_scale);
return ESP_ERR_INVALID_ARG;
}
- if (s_ledc_fade_rec) {
+ if (s_ledc_fade_rec[speed_mode][channel]) {
ledc_enable_intr_type(speed_mode, channel, LEDC_INTR_DISABLE);
}
ledc_duty_config(speed_mode,
{
LEDC_CHECK(speed_mode < LEDC_SPEED_MODE_MAX, LEDC_MODE_ERR_STR, ESP_ERR_INVALID_ARG);
LEDC_CHECK(channel <= LEDC_CHANNEL_7, LEDC_CHANNEL_ERR_STR, ESP_ERR_INVALID_ARG);
- if (s_ledc_fade_rec) {
+ if (s_ledc_fade_rec[speed_mode][channel]) {
ledc_enable_intr_type(speed_mode, channel, LEDC_INTR_DISABLE);
}
ledc_duty_config(speed_mode,
uint32_t div_num = 0;
uint32_t bit_num = LEDC.timer_group[speed_mode].timer[timer_num].conf.bit_num;
uint32_t timer_source_clk = LEDC.timer_group[speed_mode].timer[timer_num].conf.tick_sel;
- uint32_t precision = ( 0x1 << bit_num );
+ uint32_t precision = (0x1 << bit_num);
if (timer_source_clk == LEDC_APB_CLK) {
- div_num = ( (uint64_t) LEDC_APB_CLK_HZ << 8 ) / freq_hz / precision;
+ div_num = ((uint64_t) LEDC_APB_CLK_HZ << 8) / freq_hz / precision;
} else {
- div_num = ( (uint64_t) LEDC_REF_CLK_HZ << 8 ) / freq_hz / precision;
+ div_num = ((uint64_t) LEDC_REF_CLK_HZ << 8) / freq_hz / precision;
}
if (div_num <= 256 || div_num > LEDC_DIV_NUM_HSTIMER0) {
ESP_LOGE(LEDC_TAG, "div param err,div_param=%u", div_num);
uint32_t ledc_get_freq(ledc_mode_t speed_mode, ledc_timer_t timer_num)
{
- LEDC_CHECK(speed_mode < LEDC_SPEED_MODE_MAX, LEDC_MODE_ERR_STR, ( 0 ));
+ LEDC_CHECK(speed_mode < LEDC_SPEED_MODE_MAX, LEDC_MODE_ERR_STR, (0));
portENTER_CRITICAL(&ledc_spinlock);
uint32_t freq = 0;
uint32_t timer_source_clk = LEDC.timer_group[speed_mode].timer[timer_num].conf.tick_sel;
uint32_t bit_num = LEDC.timer_group[speed_mode].timer[timer_num].conf.bit_num;
uint32_t div_num = LEDC.timer_group[speed_mode].timer[timer_num].conf.div_num;
- uint32_t precision = ( 0x1 << bit_num );
+ uint32_t precision = (0x1 << bit_num);
if (timer_source_clk == LEDC_APB_CLK) {
- freq = ( (uint64_t) LEDC_APB_CLK_HZ << 8 ) / precision / div_num;
+ freq = ((uint64_t) LEDC_APB_CLK_HZ << 8) / precision / div_num;
} else {
- freq = ( (uint64_t) LEDC_REF_CLK_HZ << 8 ) / precision / div_num;
+ freq = ((uint64_t) LEDC_REF_CLK_HZ << 8) / precision / div_num;
}
portEXIT_CRITICAL(&ledc_spinlock);
return freq;
}
-void IRAM_ATTR ledc_fade_isr()
+void IRAM_ATTR ledc_fade_isr(void* arg)
{
- int i;
+ int channel;
portBASE_TYPE HPTaskAwoken = pdFALSE;
uint32_t intr_status = LEDC.int_st.val; //read LEDC interrupt status.
LEDC.int_clr.val = intr_status; //clear LEDC interrupt status.
- for (i = 0; i < 8; i++) {
- if (intr_status & BIT(LEDC_DUTY_CHNG_END_HSCH0_INT_ST_S + i)) {
- int speed_mode = s_ledc_fade_rec[i].speed_mode;
- int duty_cur = LEDC.channel_group[speed_mode].channel[i].duty_rd.duty_read >> LEDC_DUTY_DECIMAL_BIT_NUM;
- if (duty_cur == s_ledc_fade_rec[i].target_duty) {
- if(s_ledc_fade_rec[i].mode == LEDC_FADE_WAIT_DONE) {
- xSemaphoreGiveFromISR(s_ledc_fade_rec[i].ledc_fade_sem, &HPTaskAwoken);
- if(HPTaskAwoken == pdTRUE) {
- portYIELD_FROM_ISR() ;
+ int speed_mode = LEDC_HIGH_SPEED_MODE;
+ for (channel = 0; channel < LEDC_CHANNEL_MAX; channel++) {
+ if (intr_status & (BIT(LEDC_DUTY_CHNG_END_HSCH0_INT_ST_S + channel) | BIT(LEDC_DUTY_CHNG_END_LSCH0_INT_ST_S + channel))) {
+ if (intr_status & BIT(LEDC_DUTY_CHNG_END_HSCH0_INT_ST_S + channel)) {
+ speed_mode = LEDC_HIGH_SPEED_MODE;
+ } else {
+ speed_mode = LEDC_LOW_SPEED_MODE;
+ }
+ if (s_ledc_fade_rec[speed_mode][channel] == NULL) {
+ //fade object not initialized yet.
+ continue;
+ }
+ int duty_cur = LEDC.channel_group[speed_mode].channel[channel].duty_rd.duty_read >> LEDC_DUTY_DECIMAL_BIT_NUM;
+ if (duty_cur == s_ledc_fade_rec[speed_mode][channel]->target_duty) {
+ if (s_ledc_fade_rec[speed_mode][channel]->mode == LEDC_FADE_WAIT_DONE) {
+ xSemaphoreGiveFromISR(s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem, &HPTaskAwoken);
+ if (HPTaskAwoken == pdTRUE) {
+ portYIELD_FROM_ISR();
}
}
continue;
}
- int duty_tar = s_ledc_fade_rec[i].target_duty;
- int scale = s_ledc_fade_rec[i].scale;
+ int duty_tar = s_ledc_fade_rec[speed_mode][channel]->target_duty;
+ int scale = s_ledc_fade_rec[speed_mode][channel]->scale;
if (scale == 0) {
continue;
}
- int cycle = s_ledc_fade_rec[i].cycle_num;
- int delta = s_ledc_fade_rec[i].direction == LEDC_DUTY_DIR_DECREASE ? duty_cur - duty_tar : duty_tar - duty_cur;
+ int cycle = s_ledc_fade_rec[speed_mode][channel]->cycle_num;
+ int delta = s_ledc_fade_rec[speed_mode][channel]->direction == LEDC_DUTY_DIR_DECREASE ? duty_cur - duty_tar : duty_tar - duty_cur;
int step = delta / scale > LEDC_STEP_NUM_MAX ? LEDC_STEP_NUM_MAX : delta / scale;
-
if (delta > scale) {
ledc_duty_config(
speed_mode,
- i,
+ channel,
LEDC_VAL_NO_CHANGE,
duty_cur << LEDC_DUTY_DECIMAL_BIT_NUM,
- s_ledc_fade_rec[i].direction,
+ s_ledc_fade_rec[speed_mode][channel]->direction,
step,
cycle,
scale);
} else {
ledc_duty_config(
speed_mode,
- i,
+ channel,
LEDC_VAL_NO_CHANGE,
duty_tar << LEDC_DUTY_DECIMAL_BIT_NUM,
- s_ledc_fade_rec[i].direction,
+ s_ledc_fade_rec[speed_mode][channel]->direction,
1,
1,
0);
}
- LEDC.channel_group[speed_mode].channel[i].conf1.duty_start = 1;
+ LEDC.channel_group[speed_mode].channel[channel].conf1.duty_start = 1;
}
}
LEDC.int_clr.val = intr_status; //clear LEDC interrupt status.
}
+static esp_err_t ledc_fade_channel_deinit(ledc_mode_t speed_mode, ledc_channel_t channel)
+{
+ if (s_ledc_fade_rec[speed_mode][channel]) {
+ if (s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux) {
+ vSemaphoreDelete(s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux);
+ s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux = NULL;
+ }
+ if (s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem) {
+ vSemaphoreDelete(s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem);
+ s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem = NULL;
+ }
+ free(s_ledc_fade_rec[speed_mode][channel]);
+ s_ledc_fade_rec[speed_mode][channel] = NULL;
+ }
+ return ESP_OK;
+}
+
+static esp_err_t ledc_fade_channel_init_check(ledc_mode_t speed_mode, ledc_channel_t channel)
+{
+ if (s_ledc_fade_rec[speed_mode][channel] == NULL) {
+ s_ledc_fade_rec[speed_mode][channel] = (ledc_fade_t *) calloc(1, sizeof(ledc_fade_t));
+ s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux = xSemaphoreCreateMutex();
+ s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem = xSemaphoreCreateBinary();
+ }
+ if (s_ledc_fade_rec[speed_mode][channel]
+ && s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux
+ && s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem) {
+ return ESP_OK;
+ } else {
+ ledc_fade_channel_deinit(speed_mode, channel);
+ return ESP_FAIL;
+ }
+}
+
esp_err_t ledc_set_fade_with_time(ledc_mode_t speed_mode, ledc_channel_t channel, int target_duty, int max_fade_time_ms)
{
+ LEDC_CHECK(speed_mode < LEDC_SPEED_MODE_MAX, LEDC_MODE_ERR_STR, ESP_ERR_INVALID_ARG);
+ LEDC_CHECK(channel < LEDC_CHANNEL_MAX, LEDC_CHANNEL_ERR_STR, ESP_ERR_INVALID_ARG);
+ LEDC_CHECK(ledc_fade_channel_init_check(speed_mode, channel) == ESP_OK , LEDC_FADE_INIT_ERROR_STR, ESP_FAIL);
+
int timer_sel = LEDC.channel_group[speed_mode].channel[channel].conf0.timer_sel;
- int max_duty = ( 1 << ( LEDC.timer_group[speed_mode].timer[timer_sel].conf.bit_num ) ) - 1;
+ int max_duty = (1 << (LEDC.timer_group[speed_mode].timer[timer_sel].conf.bit_num)) - 1;
LEDC_CHECK(target_duty <= max_duty, LEDC_FADE_TARGET_ERR_STR, ESP_ERR_INVALID_ARG);
uint32_t freq = ledc_get_freq(speed_mode, timer_sel);
int duty_cur = LEDC.channel_group[speed_mode].channel[channel].duty_rd.duty_read >> LEDC_DUTY_DECIMAL_BIT_NUM;
cycle_num = total_cycles / duty_delta;
} else {
cycle_num = 1;
- scale = ( duty_delta + total_cycles - 1 ) / total_cycles;
+ scale = (duty_delta + total_cycles - 1) / total_cycles;
}
return ledc_set_fade_with_step(speed_mode, channel, target_duty, scale, cycle_num);
}
esp_err_t ledc_set_fade_with_step(ledc_mode_t speed_mode, ledc_channel_t channel, int target_duty, int scale, int cycle_num)
{
- LEDC_CHECK(s_ledc_fade_rec != NULL, LEDC_FADE_SERVICE_ERR_STR, ESP_ERR_INVALID_STATE);
LEDC_CHECK(speed_mode < LEDC_SPEED_MODE_MAX, LEDC_MODE_ERR_STR, ESP_ERR_INVALID_ARG);
LEDC_CHECK(channel < LEDC_CHANNEL_MAX, LEDC_CHANNEL_ERR_STR, ESP_ERR_INVALID_ARG);
+ LEDC_CHECK(ledc_fade_channel_init_check(speed_mode, channel) == ESP_OK , LEDC_FADE_INIT_ERROR_STR, ESP_FAIL);
+
int timer_sel = LEDC.channel_group[speed_mode].channel[channel].conf0.timer_sel;
int max_duty = (1 << (LEDC.timer_group[speed_mode].timer[timer_sel].conf.bit_num)) - 1;
LEDC_CHECK(target_duty <= max_duty, LEDC_FADE_TARGET_ERR_STR, ESP_ERR_INVALID_ARG);
if (duty_delta == 0) {
return ESP_OK;
}
- s_ledc_fade_rec[channel].speed_mode = speed_mode;
- s_ledc_fade_rec[channel].target_duty = target_duty;
- s_ledc_fade_rec[channel].cycle_num = cycle_num;
- s_ledc_fade_rec[channel].scale = scale;
+ s_ledc_fade_rec[speed_mode][channel]->speed_mode = speed_mode;
+ s_ledc_fade_rec[speed_mode][channel]->target_duty = target_duty;
+ s_ledc_fade_rec[speed_mode][channel]->cycle_num = cycle_num;
+ s_ledc_fade_rec[speed_mode][channel]->scale = scale;
int step_num;
if (duty_cur > target_duty) {
- s_ledc_fade_rec[channel].direction = LEDC_DUTY_DIR_DECREASE;
- step_num = ( duty_cur - target_duty ) / scale;
+ s_ledc_fade_rec[speed_mode][channel]->direction = LEDC_DUTY_DIR_DECREASE;
+ step_num = (duty_cur - target_duty) / scale;
step_num = step_num > LEDC_STEP_NUM_MAX ? LEDC_STEP_NUM_MAX : step_num;
} else {
- s_ledc_fade_rec[channel].direction = LEDC_DUTY_DIR_INCREASE;
- step_num = ( target_duty - duty_cur ) / scale;
+ s_ledc_fade_rec[speed_mode][channel]->direction = LEDC_DUTY_DIR_INCREASE;
+ step_num = (target_duty - duty_cur) / scale;
step_num = step_num > LEDC_STEP_NUM_MAX ? LEDC_STEP_NUM_MAX : step_num;
}
portEXIT_CRITICAL(&ledc_spinlock);
speed_mode,
channel,
duty_cur,
- s_ledc_fade_rec[channel].direction,
+ s_ledc_fade_rec[speed_mode][channel]->direction,
step_num,
- s_ledc_fade_rec[channel].cycle_num,
- s_ledc_fade_rec[channel].scale
+ s_ledc_fade_rec[speed_mode][channel]->cycle_num,
+ s_ledc_fade_rec[speed_mode][channel]->scale
);
ESP_LOGD(LEDC_TAG, "cur duty: %d; target: %d, step: %d, cycle: %d; scale: %d\n",
LEDC.channel_group[speed_mode].channel[channel].duty_rd.duty_read >> LEDC_DUTY_DECIMAL_BIT_NUM,
target_duty,
step_num,
- s_ledc_fade_rec[channel].cycle_num,
- s_ledc_fade_rec[channel].scale
+ s_ledc_fade_rec[speed_mode][channel]->cycle_num,
+ s_ledc_fade_rec[speed_mode][channel]->scale
);
- LEDC.int_clr.val |= BIT(LEDC_DUTY_CHNG_END_HSCH0_INT_ENA_S + channel);
+ int bit_num_ch0 = (speed_mode == LEDC_HIGH_SPEED_MODE) ? LEDC_DUTY_CHNG_END_HSCH0_INT_ENA_S : LEDC_DUTY_CHNG_END_LSCH0_INT_ENA_S;
+ LEDC.int_clr.val |= BIT(bit_num_ch0 + channel);
ledc_enable_intr_type(speed_mode, channel, LEDC_INTR_FADE_END);
return ESP_OK;
}
esp_err_t ledc_fade_func_install(int intr_alloc_flags)
{
- LEDC_CHECK(s_ledc_fade_rec == NULL, LEDC_FADE_INSTALLED_ERR_STR, ESP_ERR_INVALID_STATE);
- s_ledc_fade_rec = (ledc_fade_t*) calloc(LEDC_CHANNEL_MAX, sizeof(ledc_fade_t));
- if (s_ledc_fade_rec == NULL) {
- return ESP_ERR_NO_MEM;
- }
- int i = 0;
- for (i = 0; i < LEDC_CHANNEL_MAX; i++) {
- s_ledc_fade_rec[i].ledc_fade_sem = xSemaphoreCreateBinary();
- s_ledc_fade_rec[i].ledc_fade_mux = xSemaphoreCreateMutex();
- if (s_ledc_fade_rec[i].ledc_fade_sem == NULL || s_ledc_fade_rec[i].ledc_fade_mux == NULL) {
- ledc_fade_func_uninstall();
- return ESP_ERR_NO_MEM;
- }
- }
//OR intr_alloc_flags with ESP_INTR_FLAG_IRAM because the fade isr is in IRAM
- ledc_isr_register(ledc_fade_isr, NULL, intr_alloc_flags | ESP_INTR_FLAG_IRAM, &s_ledc_fade_isr_handle);
- return ESP_OK;
+ return ledc_isr_register(ledc_fade_isr, NULL, intr_alloc_flags | ESP_INTR_FLAG_IRAM, &s_ledc_fade_isr_handle);
}
void ledc_fade_func_uninstall()
if (s_ledc_fade_rec == NULL) {
return;
}
- if(s_ledc_fade_isr_handle) {
+ if (s_ledc_fade_isr_handle) {
esp_intr_free(s_ledc_fade_isr_handle);
s_ledc_fade_isr_handle = NULL;
}
- int i;
- for (i = 0; i < LEDC_CHANNEL_MAX; i++) {
- if (s_ledc_fade_rec[i].ledc_fade_sem) {
- xSemaphoreHandle sem_tmp = s_ledc_fade_rec[i].ledc_fade_sem;
- s_ledc_fade_rec[i].ledc_fade_sem = NULL;
- vSemaphoreDelete(sem_tmp);
- }
- if (s_ledc_fade_rec[i].ledc_fade_mux) {
- xSemaphoreHandle mux_tmp = s_ledc_fade_rec[i].ledc_fade_mux;
- s_ledc_fade_rec[i].ledc_fade_mux = NULL;
- vSemaphoreDelete(mux_tmp);
+ int channel, mode;
+ for (mode = 0; mode < LEDC_SPEED_MODE_MAX; mode++) {
+ for (channel = 0; channel < LEDC_CHANNEL_MAX; channel++) {
+ ledc_fade_channel_deinit(mode, channel);
}
}
- free(s_ledc_fade_rec);
- s_ledc_fade_rec = NULL;
return;
}
-esp_err_t ledc_fade_start(ledc_channel_t channel, ledc_fade_mode_t wait_done)
+esp_err_t ledc_fade_start(ledc_mode_t speed_mode, ledc_channel_t channel, ledc_fade_mode_t wait_done)
{
LEDC_CHECK(s_ledc_fade_rec != NULL, LEDC_FADE_SERVICE_ERR_STR, ESP_ERR_INVALID_STATE);
LEDC_CHECK(wait_done < LEDC_FADE_MAX, LEDC_FADE_MODE_ERR_STR, ESP_ERR_INVALID_ARG);
- int speed_mode = s_ledc_fade_rec[channel].speed_mode;
- xSemaphoreTake(s_ledc_fade_rec[channel].ledc_fade_mux, portMAX_DELAY);
+ xSemaphoreTake(s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux, portMAX_DELAY);
if (wait_done == LEDC_FADE_WAIT_DONE) {
- s_ledc_fade_rec[channel].mode = LEDC_FADE_WAIT_DONE;
+ s_ledc_fade_rec[speed_mode][channel]->mode = LEDC_FADE_WAIT_DONE;
ledc_update_duty(speed_mode, channel);
- xSemaphoreTake(s_ledc_fade_rec[channel].ledc_fade_sem, portMAX_DELAY);
+ xSemaphoreTake(s_ledc_fade_rec[speed_mode][channel]->ledc_fade_sem, portMAX_DELAY);
} else {
- s_ledc_fade_rec[channel].mode = LEDC_FADE_NO_WAIT;
+ s_ledc_fade_rec[speed_mode][channel]->mode = LEDC_FADE_NO_WAIT;
ledc_update_duty(speed_mode, channel);
}
- xSemaphoreGive(s_ledc_fade_rec[channel].ledc_fade_mux);
+ xSemaphoreGive(s_ledc_fade_rec[speed_mode][channel]->ledc_fade_mux);
return ESP_OK;
}
*\r
* 4. This example use GPIO18/19/4/5 as LEDC ouput, and it will change the duty repeatedly.\r
*\r
+ * 5. GPIO18/19 are from high speed channel group. GPIO4/5 are from low speed channel group.\r
*\r
*/\r
+#define LEDC_HS_TIMER LEDC_TIMER_0\r
+#define LEDC_HS_MODE LEDC_HIGH_SPEED_MODE\r
+#define LEDC_HS_CH0_GPIO (18)\r
+#define LEDC_HS_CH0_CHANNEL LEDC_CHANNEL_0\r
+#define LEDC_HS_CH1_GPIO (19)\r
+#define LEDC_HS_CH1_CHANNEL LEDC_CHANNEL_1\r
\r
-#define LEDC_IO_0 (18)\r
-#define LEDC_IO_1 (19)\r
-#define LEDC_IO_2 (4)\r
-#define LEDC_IO_3 (5)\r
+#define LEDC_LS_TIMER LEDC_TIMER_1\r
+#define LEDC_LS_MODE LEDC_LOW_SPEED_MODE\r
+#define LEDC_LS_CH2_GPIO (4)\r
+#define LEDC_LS_CH2_CHANNEL LEDC_CHANNEL_2\r
+#define LEDC_LS_CH3_GPIO (5)\r
+#define LEDC_LS_CH3_CHANNEL LEDC_CHANNEL_3\r
+\r
+#define LEDC_TEST_CH_NUM (4)\r
+typedef struct {\r
+ int channel;\r
+ int io;\r
+ int mode;\r
+ int timer_idx;\r
+} ledc_info_t;\r
+\r
+void app_main()\r
+{\r
+ int ch;\r
+ ledc_info_t ledc_ch[LEDC_TEST_CH_NUM] = {\r
+ {\r
+ .channel = LEDC_HS_CH0_CHANNEL,\r
+ .io = LEDC_HS_CH0_GPIO,\r
+ .mode = LEDC_HS_MODE,\r
+ .timer_idx = LEDC_HS_TIMER\r
+ },\r
+ {\r
+ .channel = LEDC_HS_CH1_CHANNEL,\r
+ .io = LEDC_HS_CH1_GPIO,\r
+ .mode = LEDC_HS_MODE,\r
+ .timer_idx = LEDC_HS_TIMER\r
+ },\r
+ {\r
+ .channel = LEDC_LS_CH2_CHANNEL,\r
+ .io = LEDC_LS_CH2_GPIO,\r
+ .mode = LEDC_LS_MODE,\r
+ .timer_idx = LEDC_LS_TIMER\r
+ },\r
+ {\r
+ .channel = LEDC_LS_CH3_CHANNEL,\r
+ .io = LEDC_LS_CH3_GPIO,\r
+ .mode = LEDC_LS_MODE,\r
+ .timer_idx = LEDC_LS_TIMER\r
+ }\r
+ };\r
\r
-esp_err_t app_main() \r
-{ \r
ledc_timer_config_t ledc_timer = {\r
- //set timer counter bit number\r
- .bit_num = LEDC_TIMER_13_BIT,\r
- //set frequency of pwm\r
- .freq_hz = 5000,\r
- //timer mode,\r
- .speed_mode = LEDC_HIGH_SPEED_MODE,\r
- //timer index\r
- .timer_num = LEDC_TIMER_0\r
+ .bit_num = LEDC_TIMER_13_BIT, //set timer counter bit number\r
+ .freq_hz = 5000, //set frequency of pwm\r
+ .speed_mode = LEDC_HS_MODE, //timer mode,\r
+ .timer_num = LEDC_HS_TIMER //timer index\r
};\r
+ //configure timer0 for high speed channels\r
ledc_timer_config(&ledc_timer);\r
\r
- ledc_channel_config_t ledc_channel = {\r
- //set LEDC channel 0\r
- .channel = LEDC_CHANNEL_0,\r
- //set the duty for initialization.(duty range is 0 ~ ((2**bit_num)-1)\r
- .duty = 100,\r
- //GPIO number\r
- .gpio_num = LEDC_IO_0,\r
- //GPIO INTR TYPE, as an example, we enable fade_end interrupt here.\r
- .intr_type = LEDC_INTR_FADE_END,\r
- //set LEDC mode, from ledc_mode_t\r
- .speed_mode = LEDC_HIGH_SPEED_MODE,\r
- //set LEDC timer source, if different channel use one timer,\r
- //the frequency and bit_num of these channels should be the same\r
- .timer_sel = LEDC_TIMER_0\r
- };\r
- //set the configuration\r
- ledc_channel_config(&ledc_channel);\r
+ //configure timer1 for low speed channels\r
+ ledc_timer.speed_mode = LEDC_LS_MODE;\r
+ ledc_timer.timer_num = LEDC_LS_TIMER;\r
+ ledc_timer_config(&ledc_timer);\r
\r
- //config ledc channel1\r
- ledc_channel.channel = LEDC_CHANNEL_1;\r
- ledc_channel.gpio_num = LEDC_IO_1;\r
- ledc_channel_config(&ledc_channel);\r
- //config ledc channel2\r
- ledc_channel.channel = LEDC_CHANNEL_2;\r
- ledc_channel.gpio_num = LEDC_IO_2;\r
- ledc_channel_config(&ledc_channel);\r
- //config ledc channel3\r
- ledc_channel.channel = LEDC_CHANNEL_3;\r
- ledc_channel.gpio_num = LEDC_IO_3;\r
- ledc_channel_config(&ledc_channel);\r
+ for (ch = 0; ch < LEDC_TEST_CH_NUM; ch++) {\r
+ ledc_channel_config_t ledc_channel = {\r
+ //set LEDC channel 0\r
+ .channel = ledc_ch[ch].channel,\r
+ //set the duty for initialization.(duty range is 0 ~ ((2**bit_num)-1)\r
+ .duty = 0,\r
+ //GPIO number\r
+ .gpio_num = ledc_ch[ch].io,\r
+ //GPIO INTR TYPE, as an example, we enable fade_end interrupt here.\r
+ .intr_type = LEDC_INTR_FADE_END,\r
+ //set LEDC mode, from ledc_mode_t\r
+ .speed_mode = ledc_ch[ch].mode,\r
+ //set LEDC timer source, if different channel use one timer,\r
+ //the frequency and bit_num of these channels should be the same\r
+ .timer_sel = ledc_ch[ch].timer_idx,\r
+ };\r
+ //set the configuration\r
+ ledc_channel_config(&ledc_channel);\r
+ }\r
\r
//initialize fade service.\r
ledc_fade_func_install(0);\r
-\r
- while(1) {\r
+ while (1) {\r
printf("LEDC fade up\n");\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_0, 1000, 2000);\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_1, 7000, 2000);\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_2, 5000, 2000);\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_3, 3000, 2000);\r
- ledc_fade_start(LEDC_CHANNEL_0, LEDC_FADE_NO_WAIT);\r
- ledc_fade_start(LEDC_CHANNEL_1, LEDC_FADE_NO_WAIT);\r
- ledc_fade_start(LEDC_CHANNEL_2, LEDC_FADE_NO_WAIT);\r
- ledc_fade_start(LEDC_CHANNEL_3, LEDC_FADE_NO_WAIT);\r
+ for (ch = 0; ch < LEDC_TEST_CH_NUM; ch++) {\r
+ ledc_set_fade_with_time(ledc_ch[ch].mode, ledc_ch[ch].channel, 4000, 2000);\r
+ ledc_fade_start(ledc_ch[ch].mode, ledc_ch[ch].channel, LEDC_FADE_NO_WAIT);\r
+ }\r
vTaskDelay(3000 / portTICK_PERIOD_MS);\r
\r
printf("LEDC fade down\n");\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_0, 100, 2000);\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_1, 300, 2000);\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_2, 500, 2000);\r
- ledc_set_fade_with_time(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_3, 700, 2000);\r
- ledc_fade_start(LEDC_CHANNEL_0, LEDC_FADE_NO_WAIT);\r
- ledc_fade_start(LEDC_CHANNEL_1, LEDC_FADE_NO_WAIT);\r
- ledc_fade_start(LEDC_CHANNEL_2, LEDC_FADE_NO_WAIT);\r
- ledc_fade_start(LEDC_CHANNEL_3, LEDC_FADE_NO_WAIT);\r
+ for (ch = 0; ch < LEDC_TEST_CH_NUM; ch++) {\r
+ ledc_set_fade_with_time(ledc_ch[ch].mode, ledc_ch[ch].channel, 0, 2000);\r
+ ledc_fade_start(ledc_ch[ch].mode, ledc_ch[ch].channel, LEDC_FADE_NO_WAIT);\r
+ }\r
vTaskDelay(3000 / portTICK_PERIOD_MS);\r
\r
printf("LEDC set duty without fade\n");\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_0, 1000);\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_1, 7000);\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_2, 5000);\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_3, 3000);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_0);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_1);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_2);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_3);\r
- vTaskDelay(2000 / portTICK_PERIOD_MS);\r
+ for (ch = 0; ch < LEDC_TEST_CH_NUM; ch++) {\r
+ ledc_set_duty(ledc_ch[ch].mode, ledc_ch[ch].channel, 2000);\r
+ ledc_update_duty(ledc_ch[ch].mode, ledc_ch[ch].channel);\r
+ }\r
+ vTaskDelay(1000 / portTICK_PERIOD_MS);\r
\r
printf("LEDC set duty without fade\n");\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_0, 0);\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_1, 0);\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_2, 0);\r
- ledc_set_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_3, 0);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_0);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_1);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_2);\r
- ledc_update_duty(LEDC_HIGH_SPEED_MODE, LEDC_CHANNEL_3);\r
- vTaskDelay(2000 / portTICK_PERIOD_MS);\r
+ for (ch = 0; ch < LEDC_TEST_CH_NUM; ch++) {\r
+ ledc_set_duty(ledc_ch[ch].mode, ledc_ch[ch].channel, 0);\r
+ ledc_update_duty(ledc_ch[ch].mode, ledc_ch[ch].channel);\r
+ }\r
+ vTaskDelay(1000 / portTICK_PERIOD_MS);\r
}\r
}\r
projects / esp-idf / commitdiff