restructuring

F0:F030,F042,F072/TM1637/main.c

@@ -0,0 +1,54 @@
+/*
+ * This file is part of the TM1637 project.
+ * Copyright 2019 Edward Emelianov <eddy@sao.ru>.
+ *
+ * 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/>.
+ */
+#include "hardware.h"
+#include "i2c.h"
+#include "protocol.h"
+#include "usart.h"
+#include <stm32f0.h>
+
+
+volatile uint32_t Tms = 0;
+
+// Called when systick fires
+void sys_tick_handler(void){
+    ++Tms;
+}
+
+int main(void){
+    uint32_t T = 0, TLED = 0;
+    char *txt;
+    hw_setup();
+    SysTick_Config(6000, 1);
+    SEND("LED display controller v0.1\n");
+    while (1){
+        if(Tms - TLED > 499){
+            TLED = Tms;
+            pin_toggle(GPIOC, 1<<13);
+        }
+        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));
+        }
+        if(Tms - T > 49){
+            T = Tms;
+        }
+        usart1_sendbuf();
+    }
+}