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fix(i2s_pdm): remove incorrect check for raw PDM usage

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This commit is contained in:
Chen Chen
2026-06-12 09:26:06 +08:00
parent 0af956f7af
commit fe21c32ccb
16 changed files with 20 additions and 117 deletions
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components/esp_hal_i2s/include/hal/i2s_hal.h
+2 -2
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@@ -95,11 +95,11 @@ typedef struct {
} pdm_tx; /*!< Specific configurations for PDM TX mode */
#endif
#if SOC_I2S_SUPPORTS_PDM_RX
/* PDM TX configurations */
/* PDM RX configurations */
struct {
i2s_pdm_slot_mask_t slot_mask; /*!< Choose the slots to activate */
i2s_pdm_data_fmt_t data_fmt; /*!< The data format of PDM RX mode. It determines what kind of data format is read in software.
* Typically, set this field to I2S_PDM_DATA_FMT_PCM when PCM2PDM filter is supported in the hardware,
* Typically, set this field to I2S_PDM_DATA_FMT_PCM when PDM2PCM filter is supported in the hardware,
* so that the hardware PDM2PCM filter will help to convert the raw PDM data on the line into PCM format,
* And then you can read PCM format data in software. Otherwise if this field is set to I2S_PDM_DATA_FMT_RAW,
* The data read in software are still in raw PDM format, you may need to convert the raw PDM data into PCM format manually by a software filter.
components/esp_hal_i2s/include/hal/i2s_types.h
+2 -2
View File
@@ -100,11 +100,11 @@ typedef enum {
I2S_PDM_DATA_FMT_PCM = 0, /*!< PDM RX:
* Enable the hardware PDM to PCM filter to convert the inputted PDM data on the line into PCM format in software,
* so that the read data in software is PCM format data already, no need additional software filter.
* PCM data format is only available when PCM2PDM filter is supported in hardware.
* PCM data format is only available when PDM2PCM filter is supported in hardware.
* PDM TX:
* Enable the hardware PCM to PDM filter to convert the written PCM data in software into PDM format on the line,
* so that we only need to write the PCM data in software, no need to prepare raw PDM data in software.
* PCM data format is only available when PDM2PCM filter is supported in hardware.
* PCM data format is only available when PCM2PDM filter is supported in hardware.
*/
I2S_PDM_DATA_FMT_RAW = 1, /*!< PDM RX:
* Read the raw PDM data directly in software, without the hardware PDM to PCM filter.