feat(i2s): add BLE destination config for esp32s31

This commit is contained in:
Chen Chen
2026-05-19 17:31:48 +08:00
parent 8f28ebb6d1
commit 145bf152de
28 changed files with 850 additions and 60 deletions
@@ -27,6 +27,10 @@
#define I2S_LL_GET(_attr) I2S_LL_ ## _attr
#define I2S_LL_SUPPORT(_feat) I2S_LL_SUPPORT_ ## _feat
#define I2S_LL_INST_NUM 2 // ESP32S31 has 2 I2S instances
#define I2S_LL_PDM_SUPPORTED_PORT_MASK (1U << 0) // PDM is supported on I2S0
#define I2S_LL_PCM2PDM_SUPPORTED_PORT_MASK (1U << 0) // PCM2PDM is supported on I2S0
#define I2S_LL_PDM2PCM_SUPPORTED_PORT_MASK (1U << 0) // PDM2PCM is supported on I2S0
#define I2S_LL_BT_DEST_SUPPORTED_PORT_MASK (1U << 0) // Bluetooth destination is supported on I2S0
#ifdef __cplusplus
extern "C" {
@@ -726,6 +730,45 @@ static inline void i2s_ll_rx_stop(i2s_dev_t *hw)
hw->rx_conf.rx_start = 0;
}
/**
* @brief Set I2S TX data destination
*
* @param hw Peripheral I2S hardware instance address.
* @param to_bt true: route TX data to Bluetooth; false: route TX data to the DMA memory path (default).
*/
static inline void i2s_ll_tx_set_destination(i2s_dev_t *hw, bool to_bt)
{
hw->destination.tx_destination = to_bt ? 1 : 0;
}
/**
* @brief Set I2S RX data destination
*
* @param hw Peripheral I2S hardware instance address.
* @param to_bt true: route RX data to Bluetooth; false: route RX data to the DMA memory path (default).
*/
static inline void i2s_ll_rx_set_destination(i2s_dev_t *hw, bool to_bt)
{
hw->destination.rx_destination = to_bt ? 1 : 0;
}
/**
* @brief Set I2S data destination
*
* @param hw Peripheral I2S hardware instance address.
* @param dir I2S channel direction
* @param destination I2S data destination
*/
static inline void i2s_ll_set_destination(i2s_dev_t *hw, i2s_dir_t dir, i2s_destination_t destination)
{
bool to_bt = (destination == I2S_DESTINATION_BT);
if (dir == I2S_DIR_TX) {
i2s_ll_tx_set_destination(hw, to_bt);
} else {
i2s_ll_rx_set_destination(hw, to_bt);
}
}
/**
* @brief Configure TX WS signal width
*
@@ -1815,6 +1858,45 @@ static inline void i2s_ll_tx_set_hw_sync_suppl_data(i2s_dev_t *hw, uint32_t data
hw->hw_sync_data.tx_hw_sync_suppl_data = data;
}
/**
* @brief Check whether an I2S data destination is supported on the specified port
*/
static inline bool i2s_ll_is_destination_supported(int port_id, i2s_destination_t destination)
{
switch (destination) {
case I2S_DESTINATION_DMA:
return true;
case I2S_DESTINATION_BT:
return (I2S_LL_BT_DEST_SUPPORTED_PORT_MASK & (1U << port_id)) != 0;
default:
return false;
}
}
/**
* @brief Check whether I2S PDM mode is supported on the specified port
*/
static inline bool i2s_ll_is_pdm_supported(int port_id)
{
return (I2S_LL_PDM_SUPPORTED_PORT_MASK & (1U << port_id)) != 0;
}
/**
* @brief Check whether I2S TX PCM2PDM converter is supported on the specified port
*/
static inline bool i2s_ll_is_pcm2pdm_supported(int port_id)
{
return (I2S_LL_PCM2PDM_SUPPORTED_PORT_MASK & (1U << port_id)) != 0;
}
/**
* @brief Check whether I2S RX PDM2PCM converter is supported on the specified port
*/
static inline bool i2s_ll_is_pdm2pcm_supported(int port_id)
{
return (I2S_LL_PDM2PCM_SUPPORTED_PORT_MASK & (1U << port_id)) != 0;
}
#ifdef __cplusplus
}
#endif