this interface uses the data-ready pin to trigger transfers. More...

Inheritance diagram for scamp5c_spi_ht:

Public Member Functions
void	SetupGpio (scamp5c_oxu4_gpio *p)

scamp5c_oxu4_gpio *	GetGpioClass ()

Public Member Functions inherited from scamp5c_spi
int	OpenSPI (const char *dev_path, uint32_t d_clk=2500000)
	open the spi interface More...

int	CloseSPI (void)
	close the spi interface

int	StartThreads ()
	start running the internal functions in different threads More...

int	EndThreads ()
	stop the interface and close all threads created in the background More...

void	SetTransferSize (uint32_t s)
	change the transfer size More...

uint32_t	GetTransferSize ()

void	ResetAllCounters ()

uint32_t	GetTriggerCounter ()

uint32_t	GetTxSwapCounter ()

uint32_t	GetTransferCounter ()

uint32_t	GetSignatureCounter ()

uint32_t	GetHeaderCounter ()

uint32_t	GetPacketCounter ()

size_t	GetPacketQueueLength ()
	get the number of packet in the packet queue

packet *	PopPacketFromQueue ()
	get a packet from the queue as the packet is removed from queue

void	DeletePacket (packet *p)
	delete a packet taken from the packet queue

void	OpenTxBuffer ()
	gain access to the transmit buffer

uint8_t *	GetTxBuffer ()
	get the pointer to the transmit buffer thus modify the content in it

void	CloseTxBuffer ()
	release access to the transmit buffer

Data Fields
uint8_t	ipu_port_forward [8]

Data Fields inherited from scamp5c_spi
const size_t	SPI_TRANSFER_SIZE_MIN = 16

const size_t	SPI_TRANSFER_SIZE_MAX = 4096

const size_t	SPI_TRANSFER_SIZE_DEFAULT = 200

const size_t	PACKET_BUFFER_SIZE = 2562564

const size_t	PACKET_HEADER_LENGTH = sizeof(packet_header)

const uint8_t	PACKET_SIGNATURE [3] = { 0x20, 0x16, 0xAA }

Protected Member Functions
virtual size_t	transfer_callback ()

virtual bool	get_hw_trigger ()

virtual bool	spi_transfer_trigger ()

Protected Member Functions inherited from scamp5c_spi
void	spi_transfer_thread ()

void	spi_packet_thread ()

virtual void	spi_cs_high ()

virtual void	spi_cs_low ()

virtual void	save_rx_buf ()

virtual void	rtc_sleep_usec (uint32_t u_sec)

void	queue_packet_buffer ()

virtual bool	check_header (uint8_t *p)

virtual void	header_callback (size_t rx_offset, packet_header *p)

virtual void	command_callback (uint8_t command, uint8_t a, uint8_t b)

virtual void	packet_callback (size_t rx_offset)

uint8_t *	get_rx_buffer ()

uint8_t *	get_tx_buffer ()

uint32_t	get_transfer_size ()

void	set_transfer_size (uint32_t s)

uint8_t *	get_packet_buffer ()

size_t	get_packet_length ()

Protected Attributes
scamp5c_oxu4_gpio *	oxu4_gpio

int	trigger_state

Protected Attributes inherited from scamp5c_spi
int	dev_file

uint8_t	mode

uint8_t	bits

uint32_t	clock

std::thread *	th_transfer

std::thread *	th_packet

std::mutex	section_transfer

std::mutex	section_tx_buffer

std::mutex	section_packet_queue

std::atomic< bool >	control_quit

volatile uint32_t	trigger_counter

volatile uint32_t	transfer_counter

volatile uint32_t	tx_swap_counter

volatile uint32_t	signature_counter

volatile uint32_t	header_counter

volatile uint32_t	packet_counter

std::list< packet * >	packet_queue

Additional Inherited Members
Static Protected Member Functions inherited from scamp5c_spi
static int	write_hex (const char filepath, const uint8_t data, size_t s)

static int	report_error (const char *f_name, int line_num, int err_code)

static void	report_warning (const char f_name, int line_num, const char text)

Detailed Description

this interface uses the data-ready pin to trigger transfers.

The documentation for this class was generated from the following file:

Public Member Functions