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i2s: add basic examples for STD/TDM/PDM mode

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This commit is contained in:
laokaiyao
2022-06-20 20:30:31 +08:00
parent 92b4e134bb
commit 90866e99fb
64 changed files with 1616 additions and 409 deletions
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docs/en/api-reference/peripherals/i2s.rst
+5 -5
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@@ -408,8 +408,8 @@ And for more details, please refer to :component_file:`driver/include/driver/i2s
/* Init the channel into PDM TX mode */
i2s_pdm_tx_config_t pdm_tx_cfg = {
.clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(36000),
.slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO),
.clk_cfg = I2S_PDM_TX_CLK_DEFAULT_CONFIG(36000),
.slot_cfg = I2S_PDM_TX_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO),
.gpio_cfg = {
.clk = GPIO_NUM_5,
.dout = GPIO_NUM_18,
@@ -448,12 +448,12 @@ And for more details, please refer to :component_file:`driver/include/driver/i2s
/* Allocate an I2S rx channel */
i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER);
i2s_new_channel(&chan_cfg, &rx_handle, NULL);
i2s_new_channel(&chan_cfg, NULL, &rx_handle);
/* Init the channel into PDM RX mode */
i2s_pdm_rx_config_t pdm_rx_cfg = {
.clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(36000),
.slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO),
.clk_cfg = I2S_PDM_RX_CLK_DEFAULT_CONFIG(36000),
.slot_cfg = I2S_PDM_RX_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO),
.gpio_cfg = {
.clk = GPIO_NUM_5,
.din = GPIO_NUM_19,