Kinetis SDK v.2.0 API Reference Manual
Rev. 0
Freescale Semiconductor, Inc.
|
Files | |
file | fsl_dspi_ucosiii.h |
Data Structures | |
struct | dspi_rtos_handle_t |
DSPI FreeRTOS handle. More... | |
Driver version | |
#define | FSL_DSPI_UCOSIII_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) |
DSPI µC/OS-III driver version 2.0.0. More... | |
DSPI RTOS Operation | |
status_t | DSPI_RTOS_Init (dspi_rtos_handle_t *handle, SPI_Type *base, const dspi_master_config_t *masterConfig, uint32_t srcClock_Hz) |
Initializes DSPI. More... | |
status_t | DSPI_RTOS_Deinit (dspi_rtos_handle_t *handle) |
Deinitializes the DSPI. More... | |
status_t | DSPI_RTOS_Transfer (dspi_rtos_handle_t *handle, dspi_transfer_t *transfer) |
Performs SPI transfer. More... | |
struct dspi_rtos_handle_t |
DSPI µC/OS-III handle.
DSPI µC/OS-II handle.
Data Fields | |
SPI_Type * | base |
DSPI base address. | |
dspi_master_handle_t | drv_handle |
Handle of the underlying driver, treated as opaque by the RTOS layer. | |
SemaphoreHandle_t | mutex |
Mutex to lock the handle during a transfer. | |
SemaphoreHandle_t | event |
Semaphore to notify and unblock task when transfer ends. | |
OS_EVENT * | mutex |
Mutex to lock the handle during a transfer. | |
OS_FLAG_GRP * | event |
Semaphore to notify and unblock task when transfer ends. | |
OS_SEM | mutex |
Mutex to lock the handle during a transfer. | |
OS_FLAG_GRP | event |
Semaphore to notify and unblock task when transfer ends. | |
#define FSL_DSPI_UCOSIII_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) |
status_t DSPI_RTOS_Init | ( | dspi_rtos_handle_t * | handle, |
SPI_Type * | base, | ||
const dspi_master_config_t * | masterConfig, | ||
uint32_t | srcClock_Hz | ||
) |
This function initializes the DSPI module and related RTOS context.
handle | The RTOS DSPI handle, the pointer to an allocated space for RTOS context. |
base | The pointer base address of the DSPI instance to initialize. |
masterConfig | Configuration structure to set-up DSPI in master mode. |
srcClock_Hz | Frequency of input clock of the DSPI module. |
status_t DSPI_RTOS_Deinit | ( | dspi_rtos_handle_t * | handle | ) |
This function deinitializes the DSPI module and related RTOS context.
handle | The RTOS DSPI handle. |
status_t DSPI_RTOS_Transfer | ( | dspi_rtos_handle_t * | handle, |
dspi_transfer_t * | transfer | ||
) |
This function performs an SPI transfer according to data given in the transfer structure.
handle | The RTOS DSPI handle. |
transfer | Structure specifying the transfer parameters. |