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reflow-oven-control-sw
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Add fault modes and start implementation of backup SRAM. However, this will probably never be used

This commit is contained in:
Mario Hüttel 2020-08-23 21:40:16 +02:00
parent 627da0def5
commit 149c5715c6
6 changed files with 184 additions and 5 deletions
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5
stm-firmware/Makefile
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@ -35,7 +35,7 @@ DEFINES += -DSHELLMATTA_HELP_ALIAS=\"?\"
# RCC Manager
CFILES += stm-periph/clock-enable-manager.c
CFILES += stm-periph/uart.c stm-periph/dma-ring-buffer.c
CFILES += stm-periph/uart.c stm-periph/dma-ring-buffer.c stm-periph/backup-ram.c
CFILES += digio.c
CFILES += stm-periph/unique-id.c
CFILES += calibration.c
@ -43,12 +43,11 @@ CFILES += temp-converter.c
CFILES += rotary-encoder.c button.c
CFILES += stack-check.c
CFILES += ui/lcd.c ui/menu.c reflow-menu.c
#CFILES += onewire-temp-sensors.c
CFILES += fatfs/diskio.c fatfs/ff.c fatfs/ffsystem.c fatfs/ffunicode.c fatfs/shimatta_sdio_driver/shimatta_sdio.c
CFILES += pid-controller.c oven-driver.c
CFILES += settings/settings.c settings/settings-sd-card.c
CFILES += safety/safety-adc.c safety/safety-controller.c safety/watchdog.c
CFILES += safety/safety-adc.c safety/safety-controller.c safety/watchdog.c safety/fault.c
DEBUG_DEFINES = -DDEBUGBUILD
RELEASE_DEFINES =

28
stm-firmware/include/reflow-controller/safety/fault.h Normal file
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@ -0,0 +1,28 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 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.
*
* The Reflow Oven Control Firmware 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/>.
*/
/**
* @brief This function implements the panic mode
*
* This function will never return and ensures that the controller goes in a safe operating state
* The watchdog will eventually reset the controller from this state. Therefore, this function sets
* a flag in the backup SRAM that will prevent the controller from booting in normal operation.
*/
void panic_mode(void);

51
stm-firmware/include/stm-periph/backup-ram.h Normal file
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@ -0,0 +1,51 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 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.
*
* The Reflow Oven Control Firmware 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 <stdint.h>
/**
* @brief Init the backup ram and make it accesible
*/
void backup_ram_init();
/**
* @brief Disable access to the backup RAM. This saves power
*/
void backup_ram_disable();
/**
* @brief Whis function overwrites the backup RAM with 0x00
*/
void backup_ram_wipe();
/**
* @brief Read data from the backup RAM
* @param addr Address offset inside memory
* @param data read 32bit data
*/
int backup_ram_get_data(uint32_t addr, uint32_t *data);
/**
* @brief Write data structure to backup RAM
* @param data
* @return
*/
int backup_ram_write_data(uint32_t addr, uint32_t data);

2
stm-firmware/main.c
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@ -26,8 +26,6 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
/* #include <arm_math.h> */
#include <stm32/stm32f4xx.h>
#include <cmsis/core_cm4.h>
#include <setup/system_stm32f4xx.h>

49
stm-firmware/safety/fault.c Normal file
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@ -0,0 +1,49 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 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.
*
* The Reflow Oven Control Firmware 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/oven-driver.h>
#include <reflow-controller/digio.h>
#include <reflow-controller/safety/fault.h>
void HardFault_Handler(void)
{
/* This is a non recoverable fault. Hang here */
oven_driver_set_power(0);
oven_driver_apply_power_level();
led_set(0, 1);
while (1);
}
void panic_mode(void)
{
/* Panic mode is esentially the same as a hardfault,
* but it can be expected, that more functionality is still usable
*/
oven_driver_set_power(0);
oven_driver_apply_power_level();
/* TODO: implement panic mode */
while (1);
}

54
stm-firmware/stm-periph/backup-ram.c Normal file
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@ -0,0 +1,54 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 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.
*
* The Reflow Oven Control Firmware 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 <stm-periph/backup-ram.h>
#include <stm-periph/clock-enable-manager.h>
#include <stm32/stm32f4xx.h>
void backup_ram_init()
{
rcc_manager_enable_clock(&RCC->APB1ENR, BITMASK_TO_BITNO(RCC_APB1ENR_PWREN));
/* Enable access to backup RAM register set */
PWR->CR |= PWR_CR_DBP;
/* Enable clock for backup ram interface */
rcc_manager_enable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(RCC_AHB1ENR_BKPSRAMEN));
}
void backup_ram_disable()
{
rcc_manager_disable_clock(&RCC->APB1ENR, BITMASK_TO_BITNO(RCC_APB1ENR_PWREN));
}
void backup_ram_wipe()
{
}
int backup_ram_get_data(uint32_t addr, uint32_t *data)
{
}
int backup_ram_write_data(uint32_t addr, uint32_t data)
{
}