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i2s: add slot sequence table

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Closes: https://github.com/espressif/esp-idf/issues/9208

When I2S is configured into different modes, the slot sequence varies.
This commit updates slot sequence tables and corresponding descriptions
in (both code and programming guide).
This commit is contained in:
laokaiyao
2022-07-05 11:22:27 +08:00
parent 92ea22fe81
commit edee3ee3cd
51 changed files with 795 additions and 292 deletions
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18
components/hal/esp32c3/include/hal/i2s_ll.h
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@@ -591,7 +591,7 @@ static inline void i2s_ll_rx_set_active_chan_mask(i2s_dev_t *hw, uint32_t chan_m
* @param hw Peripheral I2S hardware instance address.
* @param slot_mask select slot to send data
*/
static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask)
static inline void i2s_ll_tx_select_std_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask)
{
/* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot
* Otherwise always enable the first two slots */
@@ -599,13 +599,13 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot
hw->tx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK;
switch (slot_mask)
{
case I2S_STD_SLOT_ONLY_LEFT:
case I2S_STD_SLOT_LEFT:
hw->tx_tdm_ctrl.val |= 0x01;
break;
case I2S_STD_SLOT_ONLY_RIGHT:
case I2S_STD_SLOT_RIGHT:
hw->tx_tdm_ctrl.val |= 0x02;
break;
case I2S_STD_SLOT_LEFT_RIGHT:
case I2S_STD_SLOT_BOTH:
hw->tx_tdm_ctrl.val |= 0x03;
break;
default:
@@ -619,7 +619,7 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot
* @param hw Peripheral I2S hardware instance address.
* @param slot_mask select slot to receive data
*/
static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask)
static inline void i2s_ll_rx_select_std_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask)
{
/* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot
* Otherwise always enable the first two slots */
@@ -627,13 +627,13 @@ static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot
hw->rx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK;
switch (slot_mask)
{
case I2S_STD_SLOT_ONLY_LEFT:
case I2S_STD_SLOT_LEFT:
hw->rx_tdm_ctrl.val |= 0x01;
break;
case I2S_STD_SLOT_ONLY_RIGHT:
case I2S_STD_SLOT_RIGHT:
hw->rx_tdm_ctrl.val |= 0x02;
break;
case I2S_STD_SLOT_LEFT_RIGHT:
case I2S_STD_SLOT_BOTH:
hw->rx_tdm_ctrl.val |= 0x03;
break;
default:
@@ -1084,6 +1084,8 @@ static inline void i2s_ll_tx_pdm_dma_take_mode(i2s_dev_t *hw, bool is_mono, bool
* Mono Left Left 2 1
* Mono Left Single 3 1
* Mono Single Right 4 1
* @note The 'Single' above means always sending the value of `conf_single_data` reg
* The default value of `conf_single_data` reg is '0', it is not public for now
*
* @param hw Peripheral I2S hardware instance address.
* @param is_mono The DMA data only has one slot (mono) or contains two slots (stereo)