spidrv.h File Reference

Detailed Description

SPIDRV API definition.

Version

5.1.2

License

(C) Copyright 2014 Silicon Labs, http://www.silabs.com

This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.

Definition in file spidrv.h.

#include "em_device.h"
#include "em_cmu.h"
#include "ecode.h"
#include "spidrv_config.h"
#include "rtcdriver.h"
#include "dmadrv.h"

Go to the source code of this file.

Data Structures
struct	SPIDRV_HandleData
struct	SPIDRV_Init

Macros
#define	ECODE_EMDRV_SPIDRV_ABORTED   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000007 )
	SPI transfer has been aborted.
#define	ECODE_EMDRV_SPIDRV_BUSY   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000003 )
	The SPI port is busy.
#define	ECODE_EMDRV_SPIDRV_DMA_ALLOC_ERROR   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000009 )
	Unable to allocated DMA channels.
#define	ECODE_EMDRV_SPIDRV_IDLE   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000006 )
	No SPI transfer in progress.
#define	ECODE_EMDRV_SPIDRV_ILLEGAL_HANDLE   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000001 )
	Illegal SPI handle.
#define	ECODE_EMDRV_SPIDRV_MODE_ERROR   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000008 )
	SPI master used slave API or vica versa.
#define	ECODE_EMDRV_SPIDRV_OK   ( ECODE_OK )
	Success return value.
#define	ECODE_EMDRV_SPIDRV_PARAM_ERROR   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000002 )
	Illegal input parameter.
#define	ECODE_EMDRV_SPIDRV_TIMEOUT   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000005 )
	SPI transfer timeout.
#define	ECODE_EMDRV_SPIDRV_TIMER_ALLOC_ERROR   ( ECODE_EMDRV_SPIDRV_BASE | 0x00000004 )
	Unable to allocated timeout timer.
#define	SPIDRV_MASTER_USART0
	Configuration data for SPI master using USART0. More...
#define	SPIDRV_MASTER_USART1
	Configuration data for SPI master using USART1. More...
#define	SPIDRV_SLAVE_USART0
	Configuration data for SPI slave using USART0. More...
#define	SPIDRV_SLAVE_USART1
	Configuration data for SPI slave using USART1. More...

Typedefs
typedef enum SPIDRV_BitOrder	SPIDRV_BitOrder_t
	SPI bus bit order.
typedef void(*	SPIDRV_Callback_t) (struct SPIDRV_HandleData *handle, Ecode_t transferStatus, int itemsTransferred)
	SPIDRV transfer completion callback function. More...
typedef enum SPIDRV_ClockMode	SPIDRV_ClockMode_t
	SPI clock mode (clock polarity and phase).
typedef enum SPIDRV_CsControl	SPIDRV_CsControl_t
	SPI master chip select (CS) control scheme.
typedef SPIDRV_HandleData_t *	SPIDRV_Handle_t
	SPI driver instance handle.
typedef struct SPIDRV_HandleData	SPIDRV_HandleData_t
typedef struct SPIDRV_Init	SPIDRV_Init_t
typedef enum SPIDRV_SlaveStart	SPIDRV_SlaveStart_t
	SPI slave transfer start scheme.
typedef enum SPIDRV_Type	SPIDRV_Type_t
	SPI driver instance type.

Enumerations
enum	SPIDRV_BitOrder {   spidrvBitOrderLsbFirst = 0,   spidrvBitOrderMsbFirst = 1 }
	SPI bus bit order. More...
enum	SPIDRV_ClockMode {   spidrvClockMode0 = 0,   spidrvClockMode1 = 1,   spidrvClockMode2 = 2,   spidrvClockMode3 = 3 }
	SPI clock mode (clock polarity and phase). More...
enum	SPIDRV_CsControl {   spidrvCsControlAuto = 0,   spidrvCsControlApplication = 1 }
	SPI master chip select (CS) control scheme. More...
enum	SPIDRV_SlaveStart {   spidrvSlaveStartImmediate = 0,   spidrvSlaveStartDelayed = 1 }
	SPI slave transfer start scheme. More...
enum	SPIDRV_Type {   spidrvMaster = 0,   spidrvSlave = 1 }
	SPI driver instance type. More...

Functions
Ecode_t	SPIDRV_AbortTransfer (SPIDRV_Handle_t handle)
	Abort an ongoing SPI transfer. More...
Ecode_t	SPIDRV_DeInit (SPIDRV_Handle_t handle)
	Deinitialize a SPI driver instance. More...
Ecode_t	SPIDRV_GetBitrate (SPIDRV_Handle_t handle, uint32_t *bitRate)
	Get current SPI bus bitrate. More...
Ecode_t	SPIDRV_GetFramelength (SPIDRV_Handle_t handle, uint32_t *frameLength)
	Get current SPI framelength. More...
Ecode_t	SPIDRV_GetTransferStatus (SPIDRV_Handle_t handle, int *itemsTransferred, int *itemsRemaining)
	Get the status of a SPI transfer. More...
Ecode_t	SPIDRV_Init (SPIDRV_Handle_t handle, SPIDRV_Init_t *initData)
	Initialize a SPI driver instance. More...
Ecode_t	SPIDRV_MReceive (SPIDRV_Handle_t handle, void *buffer, int count, SPIDRV_Callback_t callback)
	Start a SPI master receive transfer. More...
Ecode_t	SPIDRV_MReceiveB (SPIDRV_Handle_t handle, void *buffer, int count)
	Start a SPI master blocking receive transfer. More...
Ecode_t	SPIDRV_MTransfer (SPIDRV_Handle_t handle, const void *txBuffer, void *rxBuffer, int count, SPIDRV_Callback_t callback)
	Start a SPI master transfer. More...
Ecode_t	SPIDRV_MTransferB (SPIDRV_Handle_t handle, const void *txBuffer, void *rxBuffer, int count)
	Start a SPI master blocking transfer. More...
Ecode_t	SPIDRV_MTransferSingleItemB (SPIDRV_Handle_t handle, uint32_t txValue, void *rxValue)
	Start a SPI master blocking single item (frame) transfer. More...
Ecode_t	SPIDRV_MTransmit (SPIDRV_Handle_t handle, const void *buffer, int count, SPIDRV_Callback_t callback)
	Start a SPI master transmit transfer. More...
Ecode_t	SPIDRV_MTransmitB (SPIDRV_Handle_t handle, const void *buffer, int count)
	Start a SPI master blocking transmit transfer. More...
Ecode_t	SPIDRV_SetBitrate (SPIDRV_Handle_t handle, uint32_t bitRate)
	Set SPI bus bitrate. More...
Ecode_t	SPIDRV_SetFramelength (SPIDRV_Handle_t handle, uint32_t frameLength)
	Set SPI framelength. More...
Ecode_t	SPIDRV_SReceive (SPIDRV_Handle_t handle, void *buffer, int count, SPIDRV_Callback_t callback, int timeoutMs)
	Start a SPI slave receive transfer. More...
Ecode_t	SPIDRV_SReceiveB (SPIDRV_Handle_t handle, void *buffer, int count, int timeoutMs)
	Start a SPI slave blocking receive transfer. More...
Ecode_t	SPIDRV_STransfer (SPIDRV_Handle_t handle, const void *txBuffer, void *rxBuffer, int count, SPIDRV_Callback_t callback, int timeoutMs)
	Start a SPI slave transfer. More...
Ecode_t	SPIDRV_STransferB (SPIDRV_Handle_t handle, const void *txBuffer, void *rxBuffer, int count, int timeoutMs)
	Start a SPI slave blocking transfer. More...
Ecode_t	SPIDRV_STransmit (SPIDRV_Handle_t handle, const void *buffer, int count, SPIDRV_Callback_t callback, int timeoutMs)
	Start a SPI slave transmit transfer. More...
Ecode_t	SPIDRV_STransmitB (SPIDRV_Handle_t handle, const void *buffer, int count, int timeoutMs)
	Start a SPI slave blocking transmit transfer. More...