LPSPI peripheral interface. More...

Collaboration diagram for LPSPI Peripheral:

Data Structures
struct	lpspi_transfer_info_t
	Synchronization state between LPSPI ISR and read/write functions. More...

Functions
static bool	lpspi_poll_for_activity (const peripheral_descriptor_t *self)

static status_t	lpspi_full_init (const peripheral_descriptor_t *self, serial_byte_receive_func_t function)

static void	lpspi_full_shutdown (const peripheral_descriptor_t *self)

static void	lpspi_data_source (uint8_t *source_byte)

static void	lpspi_initial_data_sink (uint8_t sink_byte, uint16_t instance)

static void	lpspi_data_sink (uint8_t sink_byte, uint16_t instance)

static status_t	lpspi_write (const peripheral_descriptor_t self, const uint8_t buffer, uint32_t byteCount)

static void	lpspi_slave_irq_handler (uint32_t instance)
	LPSPI Slave Generic IRQ handler. More...

void	LPSPI_SetSystemIRQ (uint32_t instance, PeripheralSystemIRQSetting set)

void	LPSPI0_IRQHandler ()
	Implementation of LPSPI0 handler named in startup code. More...

void	LPSPI1_IRQHandler ()
	Implementation of LPSPI1 handler named in startup code. More...

void	LPSPI2_IRQHandler ()
	Implementation of LPSPI2 handler named in startup code. More...

Variables
const peripheral_control_interface_t	g_lpspiControlInterface
	Control interface for the LPSPI peripheral driver. More...

const peripheral_byte_inteface_t	g_lpspiByteInterface = {.init = NULL, .write = lpspi_write }
	Byte I/O interface for the LPSPI peripheral driver.

static lpspi_transfer_info_t	s_lpspiInfo = {.writeData = 0, .bytesToTransfer = 0, .data_source = lpspi_data_source }

static bool	s_lpspiActivity [FSL_FEATURE_SOC_LPSPI_COUNT] = { false }
	Flag for detecting device activity.

static bool	s_lpspiIntialized [FSL_FEATURE_SOC_LPSPI_COUNT] = { false }

static const uint32_t	g_lpspiBaseAddr [] = LPSPI_BASE_ADDRS

static serial_byte_receive_func_t	s_lpspi_app_data_sink_callback

Usage Information

LPSPI peripheral interface.

Data Structure Documentation

struct lpspi_transfer_info_t

Synchronization state between LPSPI 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, uint16_t instance)

void LPSPI0_IRQHandler ( )

Implementation of LPSPI0 handler named in startup code.

Passes instance to generic LPSPI IRQ handler.

void LPSPI1_IRQHandler ( )

Implementation of LPSPI1 handler named in startup code.

Passes instance to generic LPSPI IRQ handler.

void LPSPI2_IRQHandler ( )

Implementation of LPSPI2 handler named in startup code.

Passes instance to generic LPSPI IRQ handler.

static void lpspi_slave_irq_handler ( uint32_t instance )

static

LPSPI Slave Generic IRQ handler.

Parameters

instance Instance number of the LPSPI module.

Initial value:

= {
    .pollForActivity = lpspi_poll_for_activity, .init = lpspi_full_init, .shutdown = lpspi_full_shutdown, .pump = 0
}

Control interface for the LPSPI peripheral driver.