65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2022 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* GDSII-Converter is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <reflow-controller/sd.h>
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#include "fatfs/ff.h"
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#include "fatfs/shimatta_sdio_driver/shimatta_sdio.h"
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#include <stdint.h>
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#include <string.h>
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#include <helper-macros/helper-macros.h>
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#include <reflow-controller/digio.h>
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static bool sd_card_mounted_state = false;
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bool mount_sd_card_if_avail(FATFS *fs)
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{
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FRESULT res;
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static uint8_t IN_SECTION(.ccm.bss) inserted_counter = 0;
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if (sdio_check_inserted() && sd_card_mounted_state) {
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memset(fs, 0, sizeof(FATFS));
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sdio_stop_clk();
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inserted_counter = 0;
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sd_card_mounted_state = false;
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goto ret;
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}
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if (!sdio_check_inserted() && inserted_counter < 255)
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inserted_counter++;
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if (!sdio_check_inserted() && !sd_card_mounted_state && inserted_counter > 4) {
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inserted_counter = 0;
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res = f_mount(fs, "0:/", 1);
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if (res == FR_OK) {
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led_set(1, 1);
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sd_card_mounted_state = true;
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} else {
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sd_card_mounted_state = false;
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}
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}
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ret:
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return sd_card_mounted_state;
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}
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bool sd_card_is_mounted(void)
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{
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return sd_card_mounted_state;
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} |