DSPI Peripheral

DSPI peripheral interface. More...

Collaboration diagram for DSPI Peripheral:

Data Structures
struct	dspi_transfer_info_t
	Synchronization state between DSPI ISR and read/write functions. More...

Functions
static bool	dspi_poll_for_activity (const peripheral_descriptor_t *self)
	DSPI slave poll for activity function.
static status_t	dspi_full_init (const peripheral_descriptor_t *self, serial_byte_receive_func_t function)
	DSPI slave init function.
static void	dspi_full_shutdown (const peripheral_descriptor_t *self)
	DSPI slave shutdown function.
static void	dspi_data_source (uint8_t *source_byte)
	DSPI slave sending data function.
static void	dspi_data_sink (uint8_t sink_byte, uint32_t instance)
	DSPI slave receiving data function.
static void	dspi_initial_data_sink (uint8_t sink_byte, uint32_t instance)
	DSPI slave receiving first byte data function.
status_t	dspi_write (const peripheral_descriptor_t *self, const uint8_t *buffer, uint32_t byteCount)
	DSPI slave writing data function.
void	dspi_slave_irq_handler (uint32_t instance)
void	SPI0_IRQHandler (void)
void	SPI1_IRQHandler (void)
void	SPI2_IRQHandler (void)

Variables
const peripheral_control_interface_t	g_dspiControlInterface
	DSPI slave control interface information. More...
const peripheral_byte_inteface_t	g_dspiByteInterface = {.init = NULL, .write = dspi_write }
	DSPI slave byte interface information. More...
static dspi_transfer_info_t	s_dspiInfo
	Global state for the DSPI slave peripheral interface. More...
static bool	s_dspiActivity [FSL_FEATURE_SOC_DSPI_COUNT] = { false }
	Flag for DSPI detecting device activity.
static bool	s_dspiIntialized [FSL_FEATURE_SOC_DSPI_COUNT] = { false }
	Flag for DSPI intialization state.
static serial_byte_receive_func_t	s_dspi_app_data_sink_callback
	DSPI slave receiving data call back function.
static const uint32_t	g_dspiBaseAddr [] = SPI_BASE_ADDRS

Usage Information

DSPI peripheral interface.

---

Data Structure Documentation

struct dspi_transfer_info_t

Synchronization state between DSPI ISR and read/write functions.

Data Fields
const uint8_t *	writeData
	The applications data to write.
volatile uint32_t	bytesToTransfer
	The total number of bytes to be transmitted.
void(*	data_source )(uint8_t *source_byte)
void(*	data_sink )(uint8_t sink_byte, uint32_t instance)

Variable Documentation

const peripheral_byte_inteface_t g_dspiByteInterface = {.init = NULL, .write = dspi_write }

DSPI slave byte interface information.

Byte I/O interface for the DSPI peripheral driver.

const peripheral_control_interface_t g_dspiControlInterface

Initial value:

= {
    .pollForActivity = dspi_poll_for_activity, .init = dspi_full_init, .shutdown = dspi_full_shutdown, .pump = 0
}

DSPI slave control interface information.

Control interface for the DSPI peripheral driver.

dspi_transfer_info_t s_dspiInfo

static

Initial value:

= {
    .writeData = 0, .bytesToTransfer = 0, .data_source = dspi_data_source, .data_sink = dspi_initial_data_sink
}

Global state for the DSPI slave peripheral interface.