AM273x MCU+ SDK  09.02.00
qspi/v0/qspi.h File Reference

Introduction

QSPI Driver API/interface file.

Go to the source code of this file.

Data Structures

struct  QSPI_Transaction
 Data structure used with QSPI_Transfers - QSPI_writeConfigMode, QSPI_readMemMapMode. More...
 
struct  QSPI_ReadCmdParams
 
struct  QSPI_WriteCmdParams
 
struct  QSPI_Params
 QSPI Parameters. More...
 
struct  QSPI_Object
 QSPI driver object. More...
 
struct  QSPI_Attrs
 QSPI instance attributes - used during init time. More...
 
struct  QSPI_Config
 

Macros

Macros for invalid commands

Macros for invalid commands

#define QSPI_CMD_INVALID_OPCODE   (0xFFU)
 
#define QSPI_CMD_INVALID_ADDR   (0xFFFFFFFFU)
 
Transfer Status Code

Status codes that are set by the QSPI driver

#define QSPI_TRANSFER_COMPLETED   (0U)
 
#define QSPI_TRANSFER_STARTED   (1U)
 
#define QSPI_TRANSFER_CANCELLED   (2U)
 
#define QSPI_TRANSFER_FAILED   (3U)
 
#define QSPI_TRANSFER_CSN_DEASSERT   (4U)
 
#define QSPI_TRANSFER_TIMEOUT   (5U)
 

Typedefs

typedef void * QSPI_Handle
 A handle that is returned from a QSPI_open() call. More...
 

Functions

void QSPI_init (void)
 This function initializes the QSPI module. More...
 
void QSPI_deinit (void)
 This function de-initializes the QSPI module. More...
 
void QSPI_Params_init (QSPI_Params *qspiParams)
 Initialize data structure with defaults. More...
 
QSPI_Handle QSPI_open (uint32_t index, const QSPI_Params *openParams)
 This function opens a given QSPI peripheral. More...
 
void QSPI_close (QSPI_Handle handle)
 Function to close a QSPI peripheral specified by the QSPI handle. More...
 
QSPI_Handle QSPI_getHandle (uint32_t index)
 This function returns the handle of an open QSPI Instance from the instance index. More...
 
uint32_t QSPI_getInputClk (QSPI_Handle handle)
 This function returns the input clock at which QSPI was programmed. More...
 
void QSPI_transaction_init (QSPI_Transaction *trans)
 Function to initialize the QSPI_Transaction structure. More...
 
void QSPI_readCmdParams_init (QSPI_ReadCmdParams *rdParams)
 Function to initialize the QSPI_Transaction structure. More...
 
void QSPI_writeCmdParams_init (QSPI_WriteCmdParams *wrParams)
 Function to initialize the QSPI_Transaction structure. More...
 
int32_t QSPI_setPreScaler (QSPI_Handle handle, uint32_t clkDividerVal)
 Set the QSPI clock register divider value. More...
 
int32_t QSPI_setWriteCmd (QSPI_Handle handle, uint8_t command)
 Function to set write command to be used. More...
 
int32_t QSPI_setReadCmd (QSPI_Handle handle, uint8_t command)
 Function to set read command to be used. More...
 
int32_t QSPI_setAddressByteCount (QSPI_Handle handle, uint32_t count)
 Function to set number of address bytes to be used. More...
 
int32_t QSPI_setDummyBitCount (QSPI_Handle handle, uint32_t count)
 Function to set number of dummy bits to be used. More...
 
int32_t QSPI_setMemAddrSpace (QSPI_Handle handle, uint32_t memMappedPortSwitch)
 This function is used to switch between memory mapped and configuration mode. More...
 
int32_t QSPI_intEnable (QSPI_Handle handle, uint32_t intFlag)
 This function is used to enable word or frame complete interrupt. More...
 
int32_t QSPI_intDisable (QSPI_Handle handle, uint32_t intFlag)
 This function is used to disable word or frame complete interrupt. More...
 
int32_t QSPI_intClear (QSPI_Handle handle, uint32_t intFlag)
 This function is used to clear word or frame complete interrupt. More...
 
int32_t QSPI_setRxLines (QSPI_Handle handle, uint32_t rxLines)
 Set QSPI Rx lines in the QSPI object. More...
 
uint32_t QSPI_getRxLines (QSPI_Handle handle)
 Get QSPI Rx lines in the QSPI object. More...
 
void OSPI_phyGetTuningData (uint32_t *phyTuningData, uint32_t *phyTuningDataSize)
 
Different QSPI Transfer functions

int32_t QSPI_readMemMapMode (QSPI_Handle handle, QSPI_Transaction *trans)
 Function to perform reads from the flash in memory mapped mode. More...
 
int32_t QSPI_writeCmd (QSPI_Handle handle, QSPI_WriteCmdParams *wrParams)
 Function to send specific commands and related data to flash. More...
 
int32_t QSPI_writeConfigMode (QSPI_Handle handle, const QSPI_Transaction *trans)
 Function to perform writes to the flash in configuration mode. More...
 
int32_t QSPI_writeConfigModeIntr (QSPI_Handle handle, QSPI_WriteCmdParams *wrParams)
 Function to perform write to the flash in interrupt mode mode. More...
 
int32_t QSPI_readCmd (QSPI_Handle handle, QSPI_ReadCmdParams *rdParams)
 Function to send specific commands and receive related data from flash. More...
 
int32_t QSPI_readConfigModeIntr (QSPI_Handle handle, QSPI_ReadCmdParams *rdParams)
 Function to perform read from the flash in interrupt mode. More...
 

Variables

QSPI_Config gQspiConfig []
 Externally defined driver configuration array. More...
 
uint32_t gQspiConfigNum
 Externally defined driver configuration array size. More...
 
QSPI_EdmaParams gqspiEdmaParam
 EDMA Paramter for QSPI Transaction. More...