sd_mmc_spi_example.c File Reference

#include <avr32/io.h>
#include "compiler.h"
#include "board.h"
#include "power_clocks_lib.h"
#include "gpio.h"
#include "spi.h"
#include "conf_sd_mmc_spi.h"
#include "sd_mmc_spi.h"
#include "usart.h"
#include "print_funcs.h"
#include "pdca.h"
#include "intc.h"
#include "dummy.h"

Macros
#define	AVR32_PDCA_CHANNEL_SPI_RX   0
#define	AVR32_PDCA_CHANNEL_SPI_TX   1
#define	AVR32_PDCA_CHANNEL_USED_RX   AVR32_PDCA_PID_SPI_RX
#define	AVR32_PDCA_CHANNEL_USED_TX   AVR32_PDCA_PID_SPI_TX
#define	BUFFERSIZE   64
	Number of bytes in the receive buffer when operating in slave mode. More...
#define	PBA_HZ   FOSC0
	PBA clock frequency (Hz) More...

Functions
void	local_pdca_init (void)
	Initialize PDCA (Peripheral DMA Controller A) resources for the SPI transfer and start a dummy transfer. More...
int	main (void)
	Main function. Execution starts here. More...
static void	pdca_int_handler (void)
static void	sd_mmc_resources_init (void)
	Initializes SD/MMC resources: GPIO, SPI and SD/MMC. More...
void	wait ()

Variables
const char	dummy_data []
volatile bool	end_of_transfer
volatile avr32_pdca_channel_t *	pdca_channelrx
volatile avr32_pdca_channel_t *	pdca_channeltx
volatile char	ram_buffer [1000]

#define AVR32_PDCA_CHANNEL_SPI_RX   0

Referenced by local_pdca_init(), main(), and pdca_int_handler().

#define AVR32_PDCA_CHANNEL_SPI_TX   1

Referenced by local_pdca_init(), main(), and pdca_int_handler().

#define AVR32_PDCA_CHANNEL_USED_RX   AVR32_PDCA_PID_SPI_RX

Referenced by local_pdca_init().

#define AVR32_PDCA_CHANNEL_USED_TX   AVR32_PDCA_PID_SPI_TX

Referenced by local_pdca_init().

#define BUFFERSIZE   64

Number of bytes in the receive buffer when operating in slave mode.

#define PBA_HZ   FOSC0

PBA clock frequency (Hz)

Referenced by main(), and sd_mmc_resources_init().

void local_pdca_init

(

void

)

Initialize PDCA (Peripheral DMA Controller A) resources for the SPI transfer and start a dummy transfer.

Enable pdca transfer interrupt when completed

References pdca_channel_options_t::addr, AVR32_PDCA_CHANNEL_SPI_RX, AVR32_PDCA_CHANNEL_SPI_TX, AVR32_PDCA_CHANNEL_USED_RX, AVR32_PDCA_CHANNEL_USED_TX, dummy_data, INTC_register_interrupt(), pdca_init_channel(), pdca_int_handler(), PDCA_TRANSFER_SIZE_BYTE, and ram_buffer.

Referenced by main().

int main

(

void

)

Main function. Execution starts here.

References AVR32_PDCA_CHANNEL_SPI_RX, AVR32_PDCA_CHANNEL_SPI_TX, capacity, dummy_data, Enable_global_interrupt, end_of_transfer, FOSC0, init_dbg_rs232(), INTC_init_interrupts(), local_pdca_init(), OSC0_STARTUP, PBA_HZ, PCL_OSC0, pcl_switch_to_osc(), pdca_channelrx, pdca_channeltx, pdca_enable_interrupt_transfer_complete(), pdca_get_handler(), pdca_load_channel(), print_dbg(), print_dbg_char_hex(), print_dbg_ulong(), ram_buffer, sd_mmc_resources_init(), SD_MMC_SPI, sd_mmc_spi_get_capacity(), sd_mmc_spi_mem_check(), sd_mmc_spi_read_open_PDCA(), and spi_write().

static void pdca_int_handler ( void  )

static

References AVR32_PDCA_CHANNEL_SPI_RX, AVR32_PDCA_CHANNEL_SPI_TX, Disable_global_interrupt, Enable_global_interrupt, end_of_transfer, pdca_disable(), pdca_disable_interrupt_transfer_complete(), sd_mmc_spi_read_close_PDCA(), and wait().

Referenced by local_pdca_init().

static void sd_mmc_resources_init ( void  )

static

Initializes SD/MMC resources: GPIO, SPI and SD/MMC.

References gpio_enable_module(), PBA_HZ, spi_options_t::reg, SD_MMC_SPI, SD_MMC_SPI_BITS, sd_mmc_spi_init(), SD_MMC_SPI_MASTER_SPEED, SD_MMC_SPI_MISO_FUNCTION, SD_MMC_SPI_MISO_PIN, SD_MMC_SPI_MOSI_FUNCTION, SD_MMC_SPI_MOSI_PIN, SD_MMC_SPI_NPCS, SD_MMC_SPI_NPCS_FUNCTION, SD_MMC_SPI_NPCS_PIN, SD_MMC_SPI_SCK_FUNCTION, SD_MMC_SPI_SCK_PIN, spi_enable(), spi_initMaster(), and spi_selectionMode().

Referenced by main().

void wait

(

)

Referenced by pdca_int_handler().

const char dummy_data[]

Initial value:

=
# 104 "/Jenkins/workspace/check-IS-asf-main-build-doxygen-linux-idc/source/avr32/components/memory/sd_mmc/sd_mmc_spi/example/sd_mmc_spi_example.c" 2

Referenced by local_pdca_init(), and main().

volatile bool end_of_transfer

Referenced by main(), and pdca_int_handler().

volatile avr32_pdca_channel_t* pdca_channelrx

Referenced by main().

volatile avr32_pdca_channel_t* pdca_channeltx

Referenced by main().

volatile char ram_buffer[1000]

Referenced by local_pdca_init(), and main().