Handle numeric arguments for TEMP/DEWP commands

src/main.c

@@ -2,22 +2,63 @@
 #include "serial.h"
 #include "parser.h"
 
+bool running;
+
 int main(void)
 {
-	unsigned long i;
 	char ch;
+	unsigned long i = 1;
 
+	running = true;
 	USART_Init();
 
-	for (i = 1;; i++) {
-		if (i >= 99999) i = 1;
-		USART_Printf("[CORE] Fetching sensors #%05lu...\r\n", i);
+	for (;;) {
+		// Process rx ring buffer
 		while ((ch = USART_GetChar())) {
 			CMD_Parse(ch);
 		}
 
 		Sleep(3000);
+
+		if (!running)
+			continue;
+
+		// TODO: Main program
+		if (i >= 99999) i = 1;
+		USART_Printf("[CORE] Fetching sensors #%05lu...\r\n", i++);
 	}
 
 	return 0;
 }
+
+void Enable(void)
+{
+	USART_Printf("[CORE] Parsed 'CMD_RUN' token.\r\n");
+	running = true;
+}
+
+void Disable(void)
+{
+	USART_Printf("[CORE] Parsed 'CMD_STOP' token.\r\n");
+	running = false;
+}
+
+void SetTemp(long val)
+{
+	USART_Printf("[CORE] Parsed 'CMD_SET_TEMP', VAL='%ld'.\r\n", val);
+	if (val < 10) {
+		USART_Printf("[CORE] Error: Given temperature is too low.\r\n");
+	} else if (val > 40) {
+		USART_Printf("[CORE] Error: Given temperature is too high.\r\n");
+	}
+}
+
+void SetDewp(long val)
+{
+	USART_Printf("[CORE] Parsed 'CMD_SET_DEWP', VAL='%ld'.\r\n", val);
+	if (val < 10) {
+		USART_Printf("[CORE] Error: Given dew point is too low.\r\n");
+	} else if (val > 80) {
+		USART_Printf("[CORE] Error: Given dew point is too high.\r\n");
+	}
+}