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feat(ledc): add ETM support for LEDC peripheral

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Closes https://github.com/espressif/esp-idf/issues/11855
This commit is contained in:
Song Ruo Jing
2025-11-14 20:58:17 +08:00
parent ca9b6b9607
commit 68f9d729cf
49 changed files with 2070 additions and 21 deletions
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components/hal/esp32c3/include/hal/ledc_ll.h
+48
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@@ -21,10 +21,13 @@ extern "C" {
#define LEDC_LL_GET_HW() &LEDC
#define LEDC_LL_CHANNEL_SUPPORT_OVF_CNT 1
#define LEDC_LL_DUTY_NUM_MAX (LEDC_DUTY_NUM_LSCH0_V)
#define LEDC_LL_DUTY_CYCLE_MAX (LEDC_DUTY_CYCLE_LSCH0_V)
#define LEDC_LL_DUTY_SCALE_MAX (LEDC_DUTY_SCALE_LSCH0_V)
#define LEDC_LL_HPOINT_VAL_MAX (LEDC_HPOINT_LSCH0_V)
#define LEDC_LL_OVF_CNT_MAX (LEDC_OVF_NUM_LSCH0_V + 1)
#define LEDC_LL_FRACTIONAL_BITS (8)
#define LEDC_LL_FRACTIONAL_MAX ((1 << LEDC_LL_FRACTIONAL_BITS) - 1)
@@ -589,6 +592,51 @@ static inline void ledc_ll_get_channel_timer(ledc_dev_t *hw, ledc_mode_t speed_m
*timer_sel = (ledc_timer_t)(hw->channel_group[speed_mode].channel[channel_num].conf0.timer_sel);
}
/**
* @brief Enable or disable the timer overflow counter for the specified channel
*
* @param hw Beginning address of the peripheral registers
* @param speed_mode LEDC speed_mode, low-speed mode only
* @param channel LEDC channel index (0-5), select from ledc_channel_t
* @param enable True to enable; false to disable
*
* @return None
*/
static inline void ledc_ll_channel_enable_timer_ovt_cnt(ledc_dev_t *hw, ledc_mode_t speed_mode, ledc_channel_t channel, bool enable)
{
hw->channel_group[speed_mode].channel[channel].conf0.ovf_cnt_en = enable;
}
/**
* @brief Set the maximum timer overflow count for the specified channel
*
* @param hw Beginning address of the peripheral registers
* @param speed_mode LEDC speed_mode, low-speed mode only
* @param channel LEDC channel index (0-5), select from ledc_channel_t
* @param max_ovf_cnt The maximum timer overflow count
*
* @return None
*/
static inline void ledc_ll_channel_set_maximum_timer_ovf_cnt(ledc_dev_t *hw, ledc_mode_t speed_mode, ledc_channel_t channel, uint32_t max_ovf_cnt)
{
HAL_ASSERT(max_ovf_cnt > 0 && max_ovf_cnt <= LEDC_LL_OVF_CNT_MAX);
hw->channel_group[speed_mode].channel[channel].conf0.ovf_num = max_ovf_cnt - 1;
}
/**
* @brief Reset the timer overflow counter for the specified channel
*
* @param hw Beginning address of the peripheral registers
* @param speed_mode LEDC speed_mode, low-speed mode only
* @param channel LEDC channel index (0-5), select from ledc_channel_t
*
* @return None
*/
static inline void ledc_ll_channel_reset_timer_ovf_cnt(ledc_dev_t *hw, ledc_mode_t speed_mode, ledc_channel_t channel)
{
hw->channel_group[speed_mode].channel[channel].conf0.ovf_cnt_rst = 1;
}
#ifdef __cplusplus
}
#endif