atmel-asf-projects/sam0/applications/spi_master_bootloader/memories_initialization_sam0.c

79 lines
2.4 KiB
C

/**
* \file
*
* \brief Initialization of memories (SAM0)
*
* Copyright (c) 2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
*/
#include <asf.h>
#include "conf_board.h" /* To get on-board memories configurations */
#include "conf_access.h"
#include "memories_initialization.h"
static void sdmmc_mem_init(uint32_t wait_loop)
{
Ctrl_status status;
delay_init();
sd_mmc_init();
while(1) {
status = sd_mmc_test_unit_ready(0);
if (CTRL_FAIL == status) {
printf("Card install FAIL\n\r");
printf("Please unplug and re-plug the card.\n\r");
while (CTRL_NO_PRESENT != sd_mmc_check(0)) {
}
}
if (CTRL_GOOD == status) {
break;
}
if (wait_loop) {
wait_loop --;
if (wait_loop == 0) {
break;
}
}
}
}
void memories_initialization(void)
{
sdmmc_mem_init(0);
}