Add preliminary safety ADC which measures the Controller temperature and checks the reference voltage against the STM's internal reference voltage

stm-firmware/include/reflow-controller/periph-config/safety-adc-hwcfg.h

@@ -0,0 +1,31 @@
+/* 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/>.
+*/
+
+#ifndef __SAFETY_ADC_HWCFG_H__
+#define __SAFETY_ADC_HWCFG_H__
+
+#include <stm32/stm32f4xx.h>
+
+#define SAFETY_ADC_ADC_PERIPHERAL ADC1
+#define SAFETY_ADC_ADC_RCC_MASK RCC_APB2ENR_ADC1EN
+#define TEMP_CHANNEL_NUM (16)
+#define INT_REF_CHANNEL_NUM (17)
+
+#endif /* __SAFETY_ADC_HWCFG_H__ */