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sdm: correct concept duty to density

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This commit is contained in:
laokaiyao
2023-01-04 15:11:45 +08:00
parent 59984e7d1f
commit 6b631b68d1
20 changed files with 99 additions and 70 deletions
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8
components/hal/esp32c6/include/hal/sdm_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -31,13 +31,13 @@ static inline void sdm_ll_enable_clock(gpio_sd_dev_t *hw, bool en)
*
* @param hw Peripheral SIGMADELTA hardware instance address.
* @param channel Sigma-delta channel number
* @param duty Sigma-delta duty of one channel, the value ranges from -128 to 127, recommended range is -90 ~ 90.
* @param density Sigma-delta quantized density of one channel, the value ranges from -128 to 127, recommended range is -90 ~ 90.
* The waveform is more like a random one in this range.
*/
__attribute__((always_inline))
static inline void sdm_ll_set_duty(gpio_sd_dev_t *hw, int channel, int8_t duty)
static inline void sdm_ll_set_pulse_density(gpio_sd_dev_t *hw, int channel, int8_t density)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->channel[channel], duty, (uint32_t)duty);
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->channel[channel], duty, (uint32_t)density);
}
/**