diff options
Diffstat (limited to 'CMSIS/Driver/Include/Driver_SAI.h')
| -rw-r--r-- | CMSIS/Driver/Include/Driver_SAI.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/CMSIS/Driver/Include/Driver_SAI.h b/CMSIS/Driver/Include/Driver_SAI.h new file mode 100644 index 0000000..52c54d5 --- /dev/null +++ b/CMSIS/Driver/Include/Driver_SAI.h @@ -0,0 +1,298 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2013-2014 ARM Ltd. + * + * This software is provided 'as-is', without any express or implied warranty. + * In no event will the authors be held liable for any damages arising from + * the use of this software. Permission is granted to anyone to use this + * software for any purpose, including commercial applications, and to alter + * it and redistribute it freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software in + * a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source distribution. + * + * + * $Date: 9. Dec 2014 + * $Revision: V1.00 + * + * Project: SAI (Serial Audio Interface) Driver definitions + * -------------------------------------------------------------------------- */ + +/* History: + * Version 1.00 + * Initial release + */ + +#ifndef __DRIVER_SAI_H +#define __DRIVER_SAI_H + +#include "Driver_Common.h" + +#define ARM_SAI_API_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(1,00) /* API version */ + + +/****** SAI Control Codes *****/ + +#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 \ref ARM_SAI_Send +#define ARM_SAI_ABORT_RECEIVE (0x08U) ///< Abort \ref ARM_SAI_Receive + +/*----- SAI Control Codes: Configuration Parameters: Mode -----*/ +#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) + +/*----- SAI Control Codes: Configuration Parameters: Synchronization -----*/ +#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 + +/*----- SAI Control Codes: Configuration Parameters: Protocol -----*/ +#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 + +/*----- SAI Control Codes: Configuration Parameters: Data Size -----*/ +#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) + +/*----- SAI Control Codes: Configuration Parameters: Bit Order -----*/ +#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) + +/*----- SAI Control Codes: Configuration Parameters: Mono Mode -----*/ +#define ARM_SAI_MONO_MODE (1U << 19) ///< Mono Mode (only for I2S, MSB/LSB justified) + +/*----- SAI Control Codes:Configuration Parameters: Companding -----*/ +#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 + +/*----- SAI Control Codes: Configuration Parameters: Clock Polarity -----*/ +#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 + +/*----- SAI Control Codes: Configuration Parameters: Master Clock Pin -----*/ +#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) + + +/****** SAI Configuration (arg1) *****/ + +/*----- SAI Configuration (arg1): Frame Length -----*/ +#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 + +/*----- SAI Configuration (arg1): Frame Sync Width -----*/ +#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) + +/*----- SAI Configuration (arg1): Frame Sync Polarity -----*/ +#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) + +/*----- SAI Configuration (arg1): Frame Sync Early -----*/ +#define ARM_SAI_FRAME_SYNC_EARLY (1U << 19) ///< Frame Sync one bit before the first bit of the frame; User Protocol only (ignored otherwise) + +/*----- SAI Configuration (arg1): Slot Count -----*/ +#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) + +/*----- SAI Configuration (arg1): Slot Size -----*/ +#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) + +/*----- SAI Configuration (arg1): Slot Offset -----*/ +#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) + +/****** SAI Configuration (arg2) *****/ + +/*----- SAI Control Codes: Configuration Parameters: Audio Frequency (Master only) -----*/ +#define ARM_SAI_AUDIO_FREQ_Msk (0x0FFFFFU) ///< Audio frequency mask + +/*----- SAI Control Codes: Configuration Parameters: Master Clock Prescaler (Master only and MCLK Pin) -----*/ +#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) + + +/****** SAI specific error codes *****/ +#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 + + +/** +\brief SAI Status +*/ +typedef struct _ARM_SAI_STATUS { + uint32_t tx_busy : 1; ///< Transmitter busy flag + uint32_t rx_busy : 1; ///< Receiver busy flag + uint32_t tx_underflow : 1; ///< Transmit data underflow detected (cleared on start of next send operation) + uint32_t rx_overflow : 1; ///< Receive data overflow detected (cleared on start of next receive operation) + uint32_t frame_error : 1; ///< Sync Frame error detected (cleared on start of next send/receive operation) +} ARM_SAI_STATUS; + + +/****** SAI Event *****/ +#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) + + +// Function documentation +/** + \fn ARM_DRIVER_VERSION ARM_SAI_GetVersion (void) + \brief Get driver version. + \return \ref ARM_DRIVER_VERSION + + \fn ARM_SAI_CAPABILITIES ARM_SAI_GetCapabilities (void) + \brief Get driver capabilities. + \return \ref ARM_SAI_CAPABILITIES + + \fn int32_t ARM_SAI_Initialize (ARM_SAI_SignalEvent_t cb_event) + \brief Initialize SAI Interface. + \param[in] cb_event Pointer to \ref ARM_SAI_SignalEvent + \return \ref execution_status + + \fn int32_t ARM_SAI_Uninitialize (void) + \brief De-initialize SAI Interface. + \return \ref execution_status + + \fn int32_t ARM_SAI_PowerControl (ARM_POWER_STATE state) + \brief Control SAI Interface Power. + \param[in] state Power state + \return \ref execution_status + + \fn int32_t ARM_SAI_Send (const void *data, uint32_t num) + \brief Start sending data to SAI transmitter. + \param[in] data Pointer to buffer with data to send to SAI transmitter + \param[in] num Number of data items to send + \return \ref execution_status + + \fn int32_t ARM_SAI_Receive (void *data, uint32_t num) + \brief Start receiving data from SAI receiver. + \param[out] data Pointer to buffer for data to receive from SAI receiver + \param[in] num Number of data items to receive + \return \ref execution_status + + \fn uint32_t ARM_SAI_GetTxCount (void) + \brief Get transmitted data count. + \return number of data items transmitted + + \fn uint32_t ARM_SAI_GetRxCount (void) + \brief Get received data count. + \return number of data items received + + \fn int32_t ARM_SAI_Control (uint32_t control, uint32_t arg1, uint32_t arg2) + \brief Control SAI Interface. + \param[in] control Operation + \param[in] arg1 Argument 1 of operation (optional) + \param[in] arg2 Argument 2 of operation (optional) + \return common \ref execution_status and driver specific \ref sai_execution_status + + \fn ARM_SAI_STATUS ARM_SAI_GetStatus (void) + \brief Get SAI status. + \return SAI status \ref ARM_SAI_STATUS + + \fn void ARM_SAI_SignalEvent (uint32_t event) + \brief Signal SAI Events. + \param[in] event \ref SAI_events notification mask + \return none +*/ + +typedef void (*ARM_SAI_SignalEvent_t) (uint32_t event); ///< Pointer to \ref ARM_SAI_SignalEvent : Signal SAI Event. + + +/** +\brief SAI Driver Capabilities. +*/ +typedef struct _ARM_SAI_CAPABILITIES { + uint32_t asynchronous : 1; ///< supports asynchronous Transmit/Receive + uint32_t synchronous : 1; ///< supports synchronous Transmit/Receive + uint32_t protocol_user : 1; ///< supports user defined Protocol + uint32_t protocol_i2s : 1; ///< supports I2S Protocol + uint32_t protocol_justified : 1; ///< supports MSB/LSB justified Protocol + uint32_t protocol_pcm : 1; ///< supports PCM short/long frame Protocol + uint32_t protocol_ac97 : 1; ///< supports AC'97 Protocol + uint32_t mono_mode : 1; ///< supports Mono mode + uint32_t companding : 1; ///< supports Companding + uint32_t mclk_pin : 1; ///< supports MCLK (Master Clock) pin + uint32_t event_frame_error : 1; ///< supports Frame error event: \ref ARM_SAI_EVENT_FRAME_ERROR +} ARM_SAI_CAPABILITIES; + + +/** +\brief Access structure of the SAI Driver. +*/ +typedef struct _ARM_DRIVER_SAI { + ARM_DRIVER_VERSION (*GetVersion) (void); ///< Pointer to \ref ARM_SAI_GetVersion : Get driver version. + ARM_SAI_CAPABILITIES (*GetCapabilities) (void); ///< Pointer to \ref ARM_SAI_GetCapabilities : Get driver capabilities. + int32_t (*Initialize) (ARM_SAI_SignalEvent_t cb_event); ///< Pointer to \ref ARM_SAI_Initialize : Initialize SAI Interface. + int32_t (*Uninitialize) (void); ///< Pointer to \ref ARM_SAI_Uninitialize : De-initialize SAI Interface. + int32_t (*PowerControl) (ARM_POWER_STATE state); ///< Pointer to \ref ARM_SAI_PowerControl : Control SAI Interface Power. + int32_t (*Send) (const void *data, uint32_t num); ///< Pointer to \ref ARM_SAI_Send : Start sending data to SAI Interface. + int32_t (*Receive) ( void *data, uint32_t num); ///< Pointer to \ref ARM_SAI_Receive : Start receiving data from SAI Interface. + uint32_t (*GetTxCount) (void); ///< Pointer to \ref ARM_SAI_GetTxCount : Get transmitted data count. + uint32_t (*GetRxCount) (void); ///< Pointer to \ref ARM_SAI_GetRxCount : Get received data count. + int32_t (*Control) (uint32_t control, uint32_t arg1, uint32_t arg2); ///< Pointer to \ref ARM_SAI_Control : Control SAI Interface. + ARM_SAI_STATUS (*GetStatus) (void); ///< Pointer to \ref ARM_SAI_GetStatus : Get SAI status. +} const ARM_DRIVER_SAI; + +#endif /* __DRIVER_SAI_H */ |