CMSIS-Driver: Driver_SAI.h File Reference

| CMSIS-Driver Version 2.04 Peripheral Interface for Middleware and Application Code

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Driver_SAI.h File Reference

## Data Structures
struct | ARM_SAI_STATUS
| SAI Status. More...
struct | ARM_SAI_CAPABILITIES
| SAI Driver Capabilities. More...
struct | ARM_DRIVER_SAI
| Access structure of the SAI Driver. More...

## Macros
#define | ARM_SAI_API_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1,00) /* API version */
#define | ARM_SAI_CONTROL_Msk (0xFFU)
#define | ARM_SAI_CONFIGURE_TX (0x01U)
| Configure Transmitter; arg1 and arg2 provide additional configuration.
#define | ARM_SAI_CONFIGURE_RX (0x02U)
| Configure Receiver; arg1 and arg2 provide additional configuration.
#define | ARM_SAI_CONTROL_TX (0x03U)
| Control Transmitter; arg1.0: 0=disable (default), 1=enable; arg1.1: mute.
#define | ARM_SAI_CONTROL_RX (0x04U)
| Control Receiver; arg1.0: 0=disable (default), 1=enable.
#define | ARM_SAI_MASK_SLOTS_TX (0x05U)
| Mask Transmitter slots; arg1 = mask (bit: 0=active, 1=inactive); all configured slots are active by default.
#define | ARM_SAI_MASK_SLOTS_RX (0x06U)
| Mask Receiver slots; arg1 = mask (bit: 0=active, 1=inactive); all configured slots are active by default.
#define | ARM_SAI_ABORT_SEND (0x07U)
| Abort ARM_SAI_Send.
#define | ARM_SAI_ABORT_RECEIVE (0x08U)
| Abort ARM_SAI_Receive.
#define | ARM_SAI_MODE_Pos 8
#define | ARM_SAI_MODE_Msk (1U << ARM_SAI_MODE_Pos)
#define | ARM_SAI_MODE_MASTER (1U << ARM_SAI_MODE_Pos)
| Master Mode.
#define | ARM_SAI_MODE_SLAVE (0U << ARM_SAI_MODE_Pos)
| Slave Mode (default)
#define | ARM_SAI_SYNCHRONIZATION_Pos 9
#define | ARM_SAI_SYNCHRONIZATION_Msk (1U << ARM_SAI_SYNCHRONIZATION_Pos)
#define | ARM_SAI_ASYNCHRONOUS (0U << ARM_SAI_SYNCHRONIZATION_Pos)
| Asynchronous (default)
#define | ARM_SAI_SYNCHRONOUS (1U << ARM_SAI_SYNCHRONIZATION_Pos)
| Synchronous.
#define | ARM_SAI_PROTOCOL_Pos 10
#define | ARM_SAI_PROTOCOL_Msk (7U << ARM_SAI_PROTOCOL_Pos)
#define | ARM_SAI_PROTOCOL_USER (0U << ARM_SAI_PROTOCOL_Pos)
| User defined (default)
#define | ARM_SAI_PROTOCOL_I2S (1U << ARM_SAI_PROTOCOL_Pos)
| I2S.
#define | ARM_SAI_PROTOCOL_MSB_JUSTIFIED (2U << ARM_SAI_PROTOCOL_Pos)
| MSB (left) justified.
#define | ARM_SAI_PROTOCOL_LSB_JUSTIFIED (3U << ARM_SAI_PROTOCOL_Pos)
| LSB (right) justified.
#define | ARM_SAI_PROTOCOL_PCM_SHORT (4U << ARM_SAI_PROTOCOL_Pos)
| PCM with short frame.
#define | ARM_SAI_PROTOCOL_PCM_LONG (5U << ARM_SAI_PROTOCOL_Pos)
| PCM with long frame.
#define | ARM_SAI_PROTOCOL_AC97 (6U << ARM_SAI_PROTOCOL_Pos)
| AC'97.
#define | ARM_SAI_DATA_SIZE_Pos 13
#define | ARM_SAI_DATA_SIZE_Msk (0x1FU << ARM_SAI_DATA_SIZE_Pos)
#define | ARM_SAI_DATA_SIZE(n) ((((n)-1)&0x1FU) << ARM_SAI_DATA_SIZE_Pos)
| Data size in bits (8..32)
#define | ARM_SAI_BIT_ORDER_Pos 18
#define | ARM_SAI_BIT_ORDER_Msk (1U << ARM_SAI_BIT_ORDER_Pos)
#define | ARM_SAI_MSB_FIRST (0U << ARM_SAI_BIT_ORDER_Pos)
| Data is transferred with MSB first (default)
#define | ARM_SAI_LSB_FIRST (1U << ARM_SAI_BIT_ORDER_Pos)
| Data is transferred with LSB first; User Protocol only (ignored otherwise)
#define | ARM_SAI_MONO_MODE (1U << 19)
| Mono Mode (only for I2S, MSB/LSB justified)
#define | ARM_SAI_COMPANDING_Pos 20
#define | ARM_SAI_COMPANDING_Msk (3U << ARM_SAI_COMPANDING_Pos)
#define | ARM_SAI_COMPANDING_NONE (0U << ARM_SAI_COMPANDING_Pos)
| No compading (default)
#define | ARM_SAI_COMPANDING_A_LAW (2U << ARM_SAI_COMPANDING_Pos)
| A-Law companding.
#define | ARM_SAI_COMPANDING_U_LAW (3U << ARM_SAI_COMPANDING_Pos)
| u-Law companding
#define | ARM_SAI_CLOCK_POLARITY_Pos 23
#define | ARM_SAI_CLOCK_POLARITY_Msk (1U << ARM_SAI_CLOCK_POLARITY_Pos)
#define | ARM_SAI_CLOCK_POLARITY_0 (0U << ARM_SAI_CLOCK_POLARITY_Pos)
| Drive on falling edge, Capture on rising edge (default)
#define | ARM_SAI_CLOCK_POLARITY_1 (1U << ARM_SAI_CLOCK_POLARITY_Pos)
| Drive on rising edge, Capture on falling edge.
#define | ARM_SAI_MCLK_PIN_Pos 24
#define | ARM_SAI_MCLK_PIN_Msk (3U << ARM_SAI_MCLK_PIN_Pos)
#define | ARM_SAI_MCLK_PIN_INACTIVE (0U << ARM_SAI_MCLK_PIN_Pos)
| MCLK not used (default)
#define | ARM_SAI_MCLK_PIN_OUTPUT (1U << ARM_SAI_MCLK_PIN_Pos)
| MCLK is output (Master only)
#define | ARM_SAI_MCLK_PIN_INPUT (2U << ARM_SAI_MCLK_PIN_Pos)
| MCLK is input (Master only)
#define | ARM_SAI_FRAME_LENGTH_Pos 0
#define | ARM_SAI_FRAME_LENGTH_Msk (0x3FFU << ARM_SAI_FRAME_LENGTH_Pos)
#define | ARM_SAI_FRAME_LENGTH(n) ((((n)-1)&0x3FFU) << ARM_SAI_FRAME_LENGTH_Pos)
| Frame length in bits (8..1024); default depends on protocol and data.
#define | ARM_SAI_FRAME_SYNC_WIDTH_Pos 10
#define | ARM_SAI_FRAME_SYNC_WIDTH_Msk (0xFFU << ARM_SAI_FRAME_SYNC_WIDTH_Pos)
#define | ARM_SAI_FRAME_SYNC_WIDTH(n) ((((n)-1)&0xFFU) << ARM_SAI_FRAME_SYNC_WIDTH_Pos)
| Frame Sync width in bits (1..256); default=1; User Protocol only (ignored otherwise)
#define | ARM_SAI_FRAME_SYNC_POLARITY_Pos 18
#define | ARM_SAI_FRAME_SYNC_POLARITY_Msk (1U << ARM_SAI_FRAME_SYNC_POLARITY_Pos)
#define | ARM_SAI_FRAME_SYNC_POLARITY_HIGH (0U << ARM_SAI_FRAME_SYNC_POLARITY_Pos)
| Frame Sync is active high (default); User Protocol only (ignored otherwise)
#define | ARM_SAI_FRAME_SYNC_POLARITY_LOW (1U << ARM_SAI_FRAME_SYNC_POLARITY_Pos)
| Frame Sync is active low; User Protocol only (ignored otherwise)
#define | ARM_SAI_FRAME_SYNC_EARLY (1U << 19)
| Frame Sync one bit before the first bit of the frame; User Protocol only (ignored otherwise)
#define | ARM_SAI_SLOT_COUNT_Pos 20
#define | ARM_SAI_SLOT_COUNT_Msk (0x1FU << ARM_SAI_SLOT_COUNT_Pos)
#define | ARM_SAI_SLOT_COUNT(n) ((((n)-1)&0x1FU) << ARM_SAI_SLOT_COUNT_Pos)
| Number of slots in frame (1..32); default=1; User Protocol only (ignored otherwise)
#define | ARM_SAI_SLOT_SIZE_Pos 25
#define | ARM_SAI_SLOT_SIZE_Msk (3U << ARM_SAI_SLOT_SIZE_Pos)
#define | ARM_SAI_SLOT_SIZE_DEFAULT (0U << ARM_SAI_SLOT_SIZE_Pos)
| Slot size is equal to data size (default)
#define | ARM_SAI_SLOT_SIZE_16 (1U << ARM_SAI_SLOT_SIZE_Pos)
| Slot size = 16 bits; User Protocol only (ignored otherwise)
#define | ARM_SAI_SLOT_SIZE_32 (3U << ARM_SAI_SLOT_SIZE_Pos)
| Slot size = 32 bits; User Protocol only (ignored otherwise)
#define | ARM_SAI_SLOT_OFFSET_Pos 27
#define | ARM_SAI_SLOT_OFFSET_Msk (0x1FU << ARM_SAI_SLOT_OFFSET_Pos)
#define | ARM_SAI_SLOT_OFFSET(n) (((n)&0x1FU) << ARM_SAI_SLOT_OFFSET_Pos)
| Offset of first data bit in slot (0..31); default=0; User Protocol only (ignored otherwise)
#define | ARM_SAI_AUDIO_FREQ_Msk (0x0FFFFFU)
| Audio frequency mask.
#define | ARM_SAI_MCLK_PRESCALER_Pos 20
#define | ARM_SAI_MCLK_PRESCALER_Msk (0xFFFU << ARM_SAI_MCLK_PRESCALER_Pos)
#define | ARM_SAI_MCLK_PRESCALER(n) ((((n)-1)&0xFFFU) << ARM_SAI_MCLK_PRESCALER_Pos)
| MCLK prescaler; Audio_frequency = MCLK/n; n = 1..4096 (default=1)
#define | ARM_SAI_ERROR_SYNCHRONIZATION (ARM_DRIVER_ERROR_SPECIFIC - 1)
| Specified Synchronization not supported.
#define | ARM_SAI_ERROR_PROTOCOL (ARM_DRIVER_ERROR_SPECIFIC - 2)
| Specified Protocol not supported.
#define | ARM_SAI_ERROR_DATA_SIZE (ARM_DRIVER_ERROR_SPECIFIC - 3)
| Specified Data size not supported.
#define | ARM_SAI_ERROR_BIT_ORDER (ARM_DRIVER_ERROR_SPECIFIC - 4)
| Specified Bit order not supported.
#define | ARM_SAI_ERROR_MONO_MODE (ARM_DRIVER_ERROR_SPECIFIC - 5)
| Specified Mono mode not supported.
#define | ARM_SAI_ERROR_COMPANDING (ARM_DRIVER_ERROR_SPECIFIC - 6)
| Specified Companding not supported.
#define | ARM_SAI_ERROR_CLOCK_POLARITY (ARM_DRIVER_ERROR_SPECIFIC - 7)
| Specified Clock polarity not supported.
#define | ARM_SAI_ERROR_AUDIO_FREQ (ARM_DRIVER_ERROR_SPECIFIC - 8)
| Specified Audio frequency not supported.
#define | ARM_SAI_ERROR_MCLK_PIN (ARM_DRIVER_ERROR_SPECIFIC - 9)
| Specified MCLK Pin setting not supported.
#define | ARM_SAI_ERROR_MCLK_PRESCALER (ARM_DRIVER_ERROR_SPECIFIC - 10)
| Specified MCLK Prescaler not supported.
#define | ARM_SAI_ERROR_FRAME_LENGHT (ARM_DRIVER_ERROR_SPECIFIC - 11)
| Specified Frame length not supported.
#define | ARM_SAI_ERROR_FRAME_SYNC_WIDTH (ARM_DRIVER_ERROR_SPECIFIC - 12)
| Specified Frame Sync width not supported.
#define | ARM_SAI_ERROR_FRAME_SYNC_POLARITY (ARM_DRIVER_ERROR_SPECIFIC - 13)
| Specified Frame Sync polarity not supported.
#define | ARM_SAI_ERROR_FRAME_SYNC_EARLY (ARM_DRIVER_ERROR_SPECIFIC - 14)
| Specified Frame Sync early not supported.
#define | ARM_SAI_ERROR_SLOT_COUNT (ARM_DRIVER_ERROR_SPECIFIC - 15)
| Specified Slot count not supported.
#define | ARM_SAI_ERROR_SLOT_SIZE (ARM_DRIVER_ERROR_SPECIFIC - 16)
| Specified Slot size not supported.
#define | ARM_SAI_ERROR_SLOT_OFFESET (ARM_DRIVER_ERROR_SPECIFIC - 17)
| Specified Slot offset not supported.
#define | ARM_SAI_EVENT_SEND_COMPLETE (1U << 0)
| Send completed.
#define | ARM_SAI_EVENT_RECEIVE_COMPLETE (1U << 1)
| Receive completed.
#define | ARM_SAI_EVENT_TX_UNDERFLOW (1U << 2)
| Transmit data not available.
#define | ARM_SAI_EVENT_RX_OVERFLOW (1U << 3)
| Receive data overflow.
#define | ARM_SAI_EVENT_FRAME_ERROR (1U << 4)
| Sync Frame error in Slave mode (optional)

## Typedefs
typedef void(* | ARM_SAI_SignalEvent_t )(uint32_t event)
| Pointer to ARM_SAI_SignalEvent : Signal SAI Event.

## Macro Definition Documentation

#define ARM_SAI_API_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1,00) /* API version */

#define ARM_SAI_CONTROL_Msk (0xFFU)

#define ARM_SAI_MODE_Pos 8

#define ARM_SAI_MODE_Msk (1U << ARM_SAI_MODE_Pos)

#define ARM_SAI_SYNCHRONIZATION_Pos 9

#define ARM_SAI_SYNCHRONIZATION_Msk (1U << ARM_SAI_SYNCHRONIZATION_Pos)

#define ARM_SAI_PROTOCOL_Pos 10

#define ARM_SAI_PROTOCOL_Msk (7U << ARM_SAI_PROTOCOL_Pos)

#define ARM_SAI_DATA_SIZE_Pos 13

#define ARM_SAI_DATA_SIZE_Msk (0x1FU << ARM_SAI_DATA_SIZE_Pos)

#define ARM_SAI_BIT_ORDER_Pos 18

#define ARM_SAI_BIT_ORDER_Msk (1U << ARM_SAI_BIT_ORDER_Pos)

#define ARM_SAI_COMPANDING_Pos 20

#define ARM_SAI_COMPANDING_Msk (3U << ARM_SAI_COMPANDING_Pos)

#define ARM_SAI_CLOCK_POLARITY_Pos 23

#define ARM_SAI_CLOCK_POLARITY_Msk (1U << ARM_SAI_CLOCK_POLARITY_Pos)

#define ARM_SAI_MCLK_PIN_Pos 24

#define ARM_SAI_MCLK_PIN_Msk (3U << ARM_SAI_MCLK_PIN_Pos)

#define ARM_SAI_FRAME_LENGTH_Pos 0

#define ARM_SAI_FRAME_LENGTH_Msk (0x3FFU << ARM_SAI_FRAME_LENGTH_Pos)

#define ARM_SAI_FRAME_SYNC_WIDTH_Pos 10

#define ARM_SAI_FRAME_SYNC_WIDTH_Msk (0xFFU << ARM_SAI_FRAME_SYNC_WIDTH_Pos)

#define ARM_SAI_FRAME_SYNC_POLARITY_Pos 18

#define ARM_SAI_FRAME_SYNC_POLARITY_Msk (1U << ARM_SAI_FRAME_SYNC_POLARITY_Pos)

#define ARM_SAI_SLOT_COUNT_Pos 20

#define ARM_SAI_SLOT_COUNT_Msk (0x1FU << ARM_SAI_SLOT_COUNT_Pos)

#define ARM_SAI_SLOT_SIZE_Pos 25

#define ARM_SAI_SLOT_SIZE_Msk (3U << ARM_SAI_SLOT_SIZE_Pos)

#define ARM_SAI_SLOT_OFFSET_Pos 27

#define ARM_SAI_SLOT_OFFSET_Msk (0x1FU << ARM_SAI_SLOT_OFFSET_Pos)

#define ARM_SAI_AUDIO_FREQ_Msk (0x0FFFFFU)

Audio frequency mask.

#define ARM_SAI_MCLK_PRESCALER_Pos 20

#define ARM_SAI_MCLK_PRESCALER_Msk (0xFFFU << ARM_SAI_MCLK_PRESCALER_Pos)