restructuring

F0:F030,F042,F072/Chiller/hardware.h

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+/*
+ * This file is part of the Chiller project.
+ * Copyright 2018 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#ifndef HARDWARE_H
+#define HARDWARE_H
+#include "stm32f0.h"
+
+// measure flow sensor data each 1 second
+#define FLOW_RATE_MS        (999)
+// previous as string constant
+#define FLOWRATESTR         "1"
+
+// each TMEASURE_MS ms calculate temperatures & check them
+#define TMEASURE_MS         (1000)
+// each TCHECK_MS ms check cooler state and regulate temperature
+#define TCHECK_MS           (10000)
+
+/*
+                temperature limits and tolerances
+ */
+// tolerance: +-1.5degrC
+#define TEMP_TOLERANCE      (15)
+// dT tolerance: +-0.5degrC
+#define DT_TOLERANCE        (5)
+// maximal heater temperature - 80degrC; normal - <60
+#define MAX_HEATER_T        (800)
+#define NORMAL_HEATER_T     (600)
+// maximal output temperature - 45degrC; minimal - 10
+#define MAX_OUTPUT_T        (450)
+#define MIN_OUTPUT_T        (100)
+// temperature working values: from 15 to 30degrC
+#define OUTPUT_T_H          (300)
+#define OUTPUT_T_L          (150)
+
+/*
+                other limits & tolerances
+*/
+// minimal flow rate - 0.2l per minute
+#define MIN_FLOW_RATE       (20)
+// normal flow rate
+#define NORMAL_FLOW_RATE    (30)
+// minimal PWM values when motors should work
+#define MIN_PUMP_PWM        (90)
+#define MIN_COOLER_PWM      (90)
+
+// PWM setters and getters
+#define SET_COOLER_PWM(N)   do{TIM14->CCR1 = (uint32_t)N;}while(0)
+#define GET_COOLER_PWM()    (uint16_t)(TIM14->CCR1)
+#define SET_HEATER_PWM(N)   do{TIM16->CCR1 = (uint32_t)N;}while(0)
+#define GET_HEATER_PWM()    (uint16_t)(TIM16->CCR1)
+#define SET_PUMP_PWM(N)     do{TIM17->CCR1 = (uint32_t)N;}while(0)
+#define GET_PUMP_PWM()      (uint16_t)(TIM17->CCR1)
+
+// ext. alarm states
+#define ALARM_ON()          pin_set(GPIOF, 2)
+#define ALARM_OFF()         pin_clear(GPIOF, 2)
+#define ALARM_STATE()       pin_read(GPIOF, 2)
+
+extern volatile uint16_t flow_rate, flow_cntr;
+extern volatile uint32_t Tms;
+
+void hw_setup(void);
+
+#endif // HARDWARE_H