mhu/reflow-oven-control-sw
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Add separate source file handling the mounting of the SD card. This will give proper access to the GUI to check whether an SD is mounted

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This commit is contained in:
Mario Hüttel 2022-12-31 20:18:34 +01:00
parent e91b33f379
commit 5e00441d99
3 changed files with 106 additions and 36 deletions
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42
stm-firmware/include/reflow-controller/sd.h Normal file
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@ -0,0 +1,42 @@
/* Reflow Oven Controller
*
* Copyright (C) 2022 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* GDSII-Converter is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SD_H_
#define _SD_H_
#include <stdbool.h>
#include <fatfs/ff.h>
/**
* @brief Mount the SD card if available and not already mounted
* @param fs Filesystem to mount to.
* @return true if mounted, false if an error occured or the SD is not inserted and cannot be mounted
*/
bool mount_sd_card_if_avail(FATFS *fs);
/**
* @brief Return whether an SD card is inserted and mounted
*
* @return true SD inserted and mounted
* @return false No SD inserted or not mounted
*/
bool sd_card_is_mounted(void);
#endif /* _SD_H_ */

38
stm-firmware/main.c
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@ -32,13 +32,13 @@
#include <reflow-controller/systick.h>
#include <reflow-controller/adc-meas.h>
#include <reflow-controller/digio.h>
#include "fatfs/shimatta_sdio_driver/shimatta_sdio.h"
#include <stm-periph/stm32-gpio-macros.h>
#include <stm-periph/rcc-manager.h>
#include <stm-periph/uart.h>
#include <reflow-controller/periph-config/shell-uart-config.h>
#include <reflow-controller/oven-driver.h>
#include <fatfs/ff.h>
#include <reflow-controller/sd.h>
#include <reflow-controller/ui/gui.h>
#include <reflow-controller/ui/shell.h>
#include <reflow-controller/ui/shell-uart.h>
@ -88,40 +88,6 @@ static inline void uart_gpio_config(void)
#endif
}
/**
* @brief Mount the SD card if available and not already mounted
* @param mounted The current mounting state of the SD card
* @return true if mounted, false if an error occured or the SD is not inserted and cannot be mounted
*/
static bool mount_sd_card_if_avail(bool mounted)
{
FRESULT res;
static uint8_t IN_SECTION(.ccm.bss) inserted_counter = 0;
if (sdio_check_inserted() && mounted) {
memset(fs_ptr, 0, sizeof(FATFS));
sdio_stop_clk();
inserted_counter = 0;
return false;
}
if (!sdio_check_inserted() && inserted_counter < 255)
inserted_counter++;
if (!sdio_check_inserted() && !mounted && inserted_counter > 4) {
inserted_counter = 0;
res = f_mount(fs_ptr, "0:/", 1);
if (res == FR_OK) {
led_set(1, 1);
return true;
} else {
return false;
}
}
return mounted;
}
/**
* @brief Process the boot status structure in the safety (backup) RAM
* Depending on the flags set there, this function will:
@ -315,7 +281,7 @@ int main(void)
if (systick_ticks_have_passed(quarter_sec_timestamp, 250)) {
led_set(1u, 0);
sd_old = sd_card_mounted;
sd_card_mounted = mount_sd_card_if_avail(sd_card_mounted);
sd_card_mounted = mount_sd_card_if_avail(fs_ptr);
if (sd_card_mounted && !sd_old) {
adc_pt1000_get_resistance_calibration(NULL, NULL, &cal_active);

62
stm-firmware/sd.c Normal file
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@ -0,0 +1,62 @@
/* Reflow Oven Controller
*
* Copyright (C) 2022 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* GDSII-Converter is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <reflow-controller/sd.h>
#include "fatfs/ff.h"
#include "fatfs/shimatta_sdio_driver/shimatta_sdio.h"
#include <stdint.h>
#include <helper-macros/helper-macros.h>
#include <reflow-controller/digio.h>
static bool sd_card_mounted_state = false;
bool mount_sd_card_if_avail(FATFS *fs)
{
FRESULT res;
static uint8_t IN_SECTION(.ccm.bss) inserted_counter = 0;
if (sdio_check_inserted() && sd_card_mounted_state) {
memset(fs, 0, sizeof(FATFS));
sdio_stop_clk();
inserted_counter = 0;
return false;
}
if (!sdio_check_inserted() && inserted_counter < 255)
inserted_counter++;
if (!sdio_check_inserted() && !sd_card_mounted_state && inserted_counter > 4) {
inserted_counter = 0;
res = f_mount(fs, "0:/", 1);
if (res == FR_OK) {
led_set(1, 1);
return true;
} else {
return false;
}
}
return sd_card_mounted_state;
}
bool sd_card_is_mounted(void)
{
return sd_card_mounted_state;
}