reflow-oven-control-sw/stm-firmware/stm-periph/backup-ram.c

55 lines
1.4 KiB
C

/* 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)
{
}