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