_asf_v1/example/at45dbx_example.c File Reference

#include <string.h>
#include "compiler.h"
#include "preprocessor.h"
#include "board.h"
#include "power_clocks_lib.h"
#include "gpio.h"
#include "spi.h"
#include "print_funcs.h"
#include "conf_at45dbx.h"
#include "at45dbx.h"

Macros
#define	AT45DBX_ENABLE_NPCS_PIN(NPCS, unused)   {AT45DBX_SPI_NPCS##NPCS##_PIN, AT45DBX_SPI_NPCS##NPCS##_FUNCTION},
#define	MSG_GOODBYE   "\r\n ---------- End of AT45DBX example ---------- \r\n"
#define	MSG_WELCOME   "\r\n ---------- Welcome to AT45DBX example ---------- \r\n"
	Welcome message to display. More...
Test Result Messages
#define	TEST_SUCCESS   "\t[PASS]\r\n"
#define	TEST_FAIL   "\t[FAIL]\r\n"
Clock Settings
#define	EXAMPLE_TARGET_PBACLK_FREQ_HZ   FOSC0
#define	EXAMPLE_TARGET_PBACLK_FREQ_HZ   12000000
#define	EXAMPLE_TARGET_DFLL_FREQ_HZ   96000000
#define	EXAMPLE_TARGET_MCUCLK_FREQ_HZ   12000000

Functions
static void	at45dbx_example_check_mem (void)
	Performs a memory check on all DFs. More...
static void	at45dbx_example_test_byte_mem (void)
	Tests single-byte access functions. More...
static void	at45dbx_example_test_multiple_sector (void)
	Tests multiple-sector access functions. More...
static void	at45dbx_example_test_RAM_mem (void)
	Tests single-sector access functions. More...
void	at45dbx_read_multiple_sector_callback (const void *psector)
	Callback function invoked after each sector read during at45dbx_read_multiple_sector. More...
static void	at45dbx_resources_init (void)
	Initializes AT45DBX resources: GPIO, SPI and AT45DBX. More...
void	at45dbx_write_multiple_sector_callback (void *psector)
	Callback function invoked before each sector write during at45dbx_write_multiple_sector. More...
int	main (void)
	Main function. Execution starts here. More...

Variables
static U32	at45dbx_example_error_cnt
	Number of erroneous bytes detected during the test of the AT45DBX multiple- sector access functions. More...
static const Union32	PATTERN_MULTIPLE_SECTOR = {0xDEADBEEF}
	Pattern to test the AT45DBX multiple-sector access functions with. More...
Parameters to pcl_configure_clocks().
static scif_gclk_opt_t	gc_dfllif_ref_opt = { SCIF_GCCTRL_SLOWCLOCK, 0, false}
static pcl_freq_param_t	pcl_dfll_freq_param

#define AT45DBX_ENABLE_NPCS_PIN	(		NPCS,
			unused
	)		{AT45DBX_SPI_NPCS##NPCS##_PIN, AT45DBX_SPI_NPCS##NPCS##_FUNCTION},

Referenced by at45dbx_resources_init().

#define EXAMPLE_TARGET_DFLL_FREQ_HZ   96000000

Referenced by main().

#define EXAMPLE_TARGET_MCUCLK_FREQ_HZ   12000000

Referenced by main().

#define EXAMPLE_TARGET_PBACLK_FREQ_HZ   FOSC0

#define EXAMPLE_TARGET_PBACLK_FREQ_HZ   12000000

#define MSG_GOODBYE   "\r\n ---------- End of AT45DBX example ---------- \r\n"

Referenced by main().

#define MSG_WELCOME   "\r\n ---------- Welcome to AT45DBX example ---------- \r\n"

Welcome message to display.

Referenced by main(), and ushell_task().

#define TEST_FAIL   "\t[FAIL]\r\n"

Referenced by at45dbx_example_check_mem(), at45dbx_example_test_byte_mem(), at45dbx_example_test_multiple_sector(), and at45dbx_example_test_RAM_mem().

#define TEST_SUCCESS   "\t[PASS]\r\n"

Referenced by at45dbx_example_check_mem(), at45dbx_example_test_byte_mem(), at45dbx_example_test_multiple_sector(), and at45dbx_example_test_RAM_mem().

static void at45dbx_example_check_mem ( void  )

static

Performs a memory check on all DFs.

References at45dbx_mem_check(), AT45DBX_MEM_CNT, AT45DBX_MEM_SIZE, print_dbg(), print_dbg_ulong(), TEST_FAIL, and TEST_SUCCESS.

Referenced by main().

static void at45dbx_example_test_byte_mem ( void  )

static

Tests single-byte access functions.

References at45dbx_read_byte(), at45dbx_read_close(), at45dbx_read_open(), at45dbx_write_byte(), at45dbx_write_close(), at45dbx_write_open(), j, print_dbg(), TEST_FAIL, and TEST_SUCCESS.

Referenced by main().

static void at45dbx_example_test_multiple_sector ( void  )

static

Tests multiple-sector access functions.

References at45dbx_example_error_cnt, at45dbx_read_close(), at45dbx_read_multiple_sector(), at45dbx_read_open(), at45dbx_write_close(), at45dbx_write_multiple_sector(), at45dbx_write_open(), print_dbg(), print_dbg_ulong(), TEST_FAIL, and TEST_SUCCESS.

Referenced by main().

static void at45dbx_example_test_RAM_mem ( void  )

static

Tests single-sector access functions.

References at45dbx_read_close(), at45dbx_read_open(), at45dbx_read_sector_2_ram(), AT45DBX_SECTOR_SIZE, at45dbx_write_close(), at45dbx_write_open(), at45dbx_write_sector_from_ram(), print_dbg(), TEST_FAIL, and TEST_SUCCESS.

Referenced by main().

static void at45dbx_resources_init ( void  )

static

Initializes AT45DBX resources: GPIO, SPI and AT45DBX.

References AT45DBX_ENABLE_NPCS_PIN, at45dbx_init(), AT45DBX_MEM_CNT, AT45DBX_SPI_BITS, AT45DBX_SPI_FIRST_NPCS, AT45DBX_SPI_MASTER_SPEED, EXAMPLE_TARGET_PBACLK_FREQ_HZ, gpio_enable_module(), MREPEAT(), spi_options_t::reg, spi_enable(), spi_initMaster(), and spi_selectionMode().

Referenced by main().

int main

(

void

)

Main function. Execution starts here.

References at45dbx_example_check_mem(), at45dbx_example_test_byte_mem(), at45dbx_example_test_multiple_sector(), at45dbx_example_test_RAM_mem(), at45dbx_resources_init(), EXAMPLE_TARGET_PBACLK_FREQ_HZ, FOSC0, init_dbg_rs232(), MSG_GOODBYE, MSG_WELCOME, OSC0_STARTUP, pcl_configure_clocks(), pcl_dfll_freq_param, PCL_OSC0, pcl_switch_to_osc(), and print_dbg().

U32 at45dbx_example_error_cnt

static

Number of erroneous bytes detected during the test of the AT45DBX multiple- sector access functions.

Referenced by at45dbx_example_test_multiple_sector(), and at45dbx_read_multiple_sector_callback().

scif_gclk_opt_t gc_dfllif_ref_opt = { SCIF_GCCTRL_SLOWCLOCK, 0, false}

static

Referenced by clockfrequencies_configure(), and main().

const Union32 PATTERN_MULTIPLE_SECTOR = {0xDEADBEEF}

static

Pattern to test the AT45DBX multiple-sector access functions with.

pcl_freq_param_t pcl_dfll_freq_param

static

Initial value:

=
{
  .main_clk_src = PCL_MC_DFLL0,
  .cpu_f        = EXAMPLE_TARGET_MCUCLK_FREQ_HZ,
  .pba_f        = EXAMPLE_TARGET_PBACLK_FREQ_HZ,
  .pbb_f        = EXAMPLE_TARGET_PBACLK_FREQ_HZ,
  .dfll_f       = EXAMPLE_TARGET_DFLL_FREQ_HZ,
  .pextra_params = &gc_dfllif_ref_opt
}

Referenced by clockfrequencies_configure(), and main().