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feat(i2s): support to select PDM data format

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This commit is contained in:
laokaiyao
2024-08-15 19:02:42 +08:00
parent 390745c999
commit 9b779d8b3c
37 changed files with 863 additions and 254 deletions
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35
components/hal/esp32c3/include/hal/i2s_ll.h
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@@ -733,15 +733,29 @@ static inline void i2s_ll_rx_enable_std(i2s_dev_t *hw)
}
/**
* @brief Enable TX PDM mode.
* @brief Enable I2S TX PDM mode
*
* @param hw Peripheral I2S hardware instance address.
* @param pcm2pdm_en Set true to enable TX PCM to PDM filter
*/
static inline void i2s_ll_tx_enable_pdm(i2s_dev_t *hw)
static inline void i2s_ll_tx_enable_pdm(i2s_dev_t *hw, bool pcm2pdm_en)
{
hw->tx_conf.tx_pdm_en = true;
hw->tx_conf.tx_tdm_en = false;
hw->tx_pcm2pdm_conf.pcm2pdm_conv_en = true;
hw->tx_pcm2pdm_conf.pcm2pdm_conv_en = pcm2pdm_en;
}
/**
* @brief Enable I2S RX PDM mode
*
* @param hw Peripheral I2S hardware instance address.
* @param pdm2pcm_en Set true to enable RX PDM to PCM filter
*/
static inline void i2s_ll_rx_enable_pdm(i2s_dev_t *hw, bool pdm2pcm_en)
{
HAL_ASSERT(!pdm2pcm_en); // C3 does not have PDM2PCM filter
hw->rx_conf.rx_pdm_en = true;
hw->rx_conf.rx_tdm_en = false;
}
/**
@@ -903,21 +917,6 @@ static inline uint32_t i2s_ll_tx_get_pdm_fs(i2s_dev_t *hw)
return hw->tx_pcm2pdm_conf1.tx_pdm_fs;
}
/**
* @brief Enable RX PDM mode.
* @note ESP32-C3 doesn't support pdm in rx mode, disable anyway
*
* @param hw Peripheral I2S hardware instance address.
* @param pdm_enable Set true to RX enable PDM mode (ignored)
*/
static inline void i2s_ll_rx_enable_pdm(i2s_dev_t *hw, bool pdm_enable)
{
// Due to the lack of `PDM to PCM` module on ESP32-C3, PDM RX is not available
HAL_ASSERT(!pdm_enable);
hw->rx_conf.rx_pdm_en = 0;
hw->rx_conf.rx_tdm_en = 1;
}
/**
* @brief Configura TX a/u-law decompress or compress
*