SAM SPI Quick Start.

#include <asf.h>

Macros
#define	BUF_LENGTH 20
	[setup] [buf_length] More...

#define	SLAVE_SELECT_PIN CONF_MASTER_SS_PIN
	[buf_length] [slave_select_pin] More...

Functions
static void	callback_spi_master (struct spi_module *const module)
	[callback] More...

void	configure_spi_master (void)
	[conf_callback] More...

void	configure_spi_master_callbacks (void)
	[var] [setup] More...

int	main (void)
	[configure_spi] More...

Variables
static uint8_t	rd_buffer [BUF_LENGTH]

struct spi_slave_inst	slave
	[dev_inst] [slave_dev_inst] More...

struct spi_module	spi_master_instance
	[buffer] More...

volatile bool	transrev_complete_spi_master = false
	[slave_dev_inst] [var] More...

static uint8_t	wr_buffer [BUF_LENGTH]
	[slave_select_pin] [buffer] More...

#define BUF_LENGTH 20

[setup] [buf_length]

Referenced by main().

#define SLAVE_SELECT_PIN CONF_MASTER_SS_PIN

[buf_length] [slave_select_pin]

Referenced by configure_spi_master().

static void callback_spi_master ( struct spi_module *const module )

static

[callback]

[callback_var]

References transrev_complete_spi_master.

Referenced by configure_spi_master_callbacks().

void configure_spi_master ( void )

[conf_callback]

[configure_spi]

[config]

[config] [slave_config]

[slave_config]

[slave_conf_defaults]

[slave_conf_defaults] [ss_pin]

[ss_pin] [slave_init]

[slave_init]

[conf_defaults]

[conf_defaults] [mux_setting]

[mux_setting]

[init]

[enable]

References spi_config::mux_setting, spi_config::pinmux_pad0, spi_config::pinmux_pad1, spi_config::pinmux_pad2, spi_config::pinmux_pad3, slave, SLAVE_SELECT_PIN, spi_attach_slave(), spi_enable(), spi_get_config_defaults(), spi_init(), spi_master_instance, spi_slave_inst_get_config_defaults(), and spi_slave_inst_config::ss_pin.

Referenced by main().

void configure_spi_master_callbacks ( void )

[var] [setup]

[callback]

[conf_callback]

[reg_callback]

[reg_callback] [en_callback]

[en_callback]

References callback_spi_master(), SPI_CALLBACK_BUFFER_TRANSCEIVED, spi_enable_callback(), spi_master_instance, and spi_register_callback().

Referenced by main().

int main ( void )

[configure_spi]

[main_start]

[system_init]

[run_config]

[run_config] [run_callback_config]

[run_callback_config] [main_start]

[main_use_case] [inf_loop]

[select_slave]

[select_slave] [write and read]

[write and read] [wait]

[wait] [deselect_slave]

[deselect_slave]

[inf_loop] [main_use_case]

References BUF_LENGTH, configure_spi_master(), configure_spi_master_callbacks(), port_pin_get_input_level(), rd_buffer, slave, spi_master_instance, spi_select_slave(), spi_transceive_buffer_job(), system_init(), transrev_complete_spi_master, and wr_buffer.

uint8_t rd_buffer[BUF_LENGTH]

static

Referenced by main().

struct spi_slave_inst slave

[dev_inst] [slave_dev_inst]

Referenced by cleanup_buffer_polled_write_interrupt_read_test(), configure_spi_master(), main(), run_baud_test(), run_buffer_polled_write_interrupt_read_test(), run_single_byte_polled_test(), run_spi_init_test(), run_transceive_buffer_test(), run_transfer_9bit_test(), setup_buffer_polled_write_interrupt_read_test(), and setup_transfer_9bit_test().

struct spi_module spi_master_instance

[buffer]

[dev_inst]

Referenced by configure_spi_master(), configure_spi_master_callbacks(), main(), and setup_transfer_descriptor_tx().

volatile bool transrev_complete_spi_master = false

[slave_dev_inst] [var]

Referenced by callback_spi_master(), and main().

uint8_t wr_buffer[BUF_LENGTH]

static

Initial value:

= {
        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
         0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13
}

[slave_select_pin] [buffer]

Referenced by main().

Microchip® Advanced Software Framework

Macros

Functions

Variables