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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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3
components/hal/include/hal/i2s_hal.h
View File

@@ -67,6 +67,9 @@ typedef struct {
#if SOC_I2S_SUPPORTS_PDM_TX
/* PDM TX configurations */
struct {
#if SOC_I2S_HW_VERSION_1
i2s_pdm_slot_mask_t slot_mask; /*!< Slot mask to choose left or right slot */
#endif
uint32_t sd_prescale; /*!< Sigma-delta filter prescale */
i2s_pdm_sig_scale_t sd_scale; /*!< Sigma-delta filter scaling value */
i2s_pdm_sig_scale_t hp_scale; /*!< High pass filter scaling value */

13
components/hal/include/hal/i2s_types.h
View File

@@ -64,7 +64,12 @@ typedef enum {
I2S_SLOT_BIT_WIDTH_32BIT = (32), /*!< I2S channel slot bit-width: 32 */
} i2s_slot_bit_width_t;
#if SOC_I2S_SUPPORTED
typedef soc_periph_i2s_clk_src_t i2s_clock_src_t; /*!< I2S clock source */
#else
typedef int i2s_clock_src_t; /*!< Define a default type to avoid compiling warnings */
#endif
#if SOC_I2S_SUPPORTS_PCM
/**
@@ -119,11 +124,13 @@ typedef enum {
/**
* @brief I2S slot select in standard mode
* @note It has different meanings in tx/rx/mono/stereo mode, and it may have differen behaviors on different targets
* For the details, please refer to the I2S API reference
*/
typedef enum {
I2S_STD_SLOT_ONLY_LEFT = BIT(0), /*!< I2S only transmits or receives left slot */
I2S_STD_SLOT_ONLY_RIGHT = BIT(1), /*!< I2S only transmits or receives right slot */
I2S_STD_SLOT_LEFT_RIGHT = BIT(0) | BIT(1), /*!< I2S transmits or receives both left and right slot */
I2S_STD_SLOT_LEFT = BIT(0), /*!< I2S transmits or receives left slot */
I2S_STD_SLOT_RIGHT = BIT(1), /*!< I2S transmits or receives right slot */
I2S_STD_SLOT_BOTH = BIT(0) | BIT(1), /*!< I2S transmits or receives both left and right slot */
} i2s_std_slot_mask_t;
/**