restructuring

2026-02-28 11:54:30 +03:00 · 2022-03-10 11:04:14 +03:00
parent 29560b7c0c
commit 733dbd75d2
1758 changed files with 14 additions and 26855 deletions
--- a/F0:F030,F042,F072/Chiller/main.c
+++ b/F0:F030,F042,F072/Chiller/main.c
@@ -0,0 +1,111 @@
+/*
+ * main.c
+ *
+ * Copyright 2018 Edward V. Emelianoff <eddy@sao.ru, 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <string.h> // memcpy
+#include "stm32f0.h"
+#include "hardware.h"
+#include "usart.h"
+#include "adc.h"
+#include "protocol.h"
+#include "mainloop.h"
+
+volatile uint32_t Tms = 0;
+volatile uint16_t flow_rate = 0; // flow sensor rate
+volatile uint16_t flow_cntr = 0; // flow sensor trigger counter
+// this variable is global as user need to clear it in protocol.c
+uint8_t crit_error = 0; // got critical error, need user acknowledgement
+
+// Called when systick fires
+void sys_tick_handler(void){
+    ++Tms;
+}
+
+static void print_state(uint8_t state){
+    if(state == ST_OK){
+        put_string("OK\n");
+        return;
+    }
+    if(state & ST_CRITICAL) put_string("CRIT"); // add prefix "CRIT" for critical states
+    if(!(state & ST_OK)){ // something changed
+        if(state & ST_OFF) put_string("OFF");
+        else{
+            if(state & ST_FASTER) put_string("FASTER");
+            else put_string("SLOWER");
+        }
+    }
+    put_char('\n');
+}
+
+int main(void){
+    uint32_t lastTflow = 0; // last flow measurement time
+    chiller_state ost = {ST_OK, ST_OK, ST_OK, ST_OK}, *st; // old & current chiller states
+    char *txt;
+    hw_setup();
+    SysTick_Config(6000, 1);
+    SEND_BLK("Chiller controller v0.1\n");
+    if(RCC->CSR & RCC_CSR_IWDGRSTF){ // watchdog reset occured
+        SEND_BLK("WDGRESET=1");
+    }
+    if(RCC->CSR & RCC_CSR_SFTRSTF){ // software reset occured
+        SEND_BLK("SOFTRESET=1");
+    }
+    RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
+    while (1){
+        IWDG->KR = IWDG_REFRESH;
+        if(Tms - lastTflow > FLOW_RATE_MS){ // onse per one second check flow sensor counter
+            lastTflow = Tms;
+            flow_rate = flow_cntr;
+            flow_cntr = 0;
+            if(crit_error) SEND("CRITICAL=1\n");
+        }
+        if(usart1_getline(&txt)){ // usart1 received command, process it
+            txt = process_command(txt);
+        }else txt = NULL;
+        if(txt){ // text waits for sending
+            while(ALL_OK != usart1_send(txt, 0)){
+                IWDG->KR = IWDG_REFRESH;
+            }
+        }
+        IWDG->KR = IWDG_REFRESH;
+        //usart1_sendbuf();
+        st = mainloop();
+        // process state values
+        if(st->common_state != ST_OK){
+            if(st->common_state & ST_CRITICAL) crit_error = 1;
+            put_string("STATE=");
+            print_state(st->common_state);
+        }
+        // other states
+        if(st->pump_state != ST_OK){
+            put_string("PUMP=");
+            print_state(st->pump_state);
+        }
+        if(st->cooler_state != ST_OK){
+            put_string("COOLER=");
+            print_state(st->cooler_state);
+        }
+        if(st->heater_state != ST_OK){
+            put_string("HEATER=");
+            print_state(st->heater_state);
+        }
+        memcpy(&ost, st, sizeof(chiller_state));
+        usart1_sendbuf();
+    }
+}