Rename function cmd_collect() to cmd_collect_char().

src/commands.c

@@ -10,7 +10,7 @@ cmd_t command = {
 	.index = 0
 };
 
-void cmd_collect(char c)
+void cmd_collect_char(char c)
 {
 	command.buf[command.index] = c;
 	printf("%c", command.buf[command.index]);	

src/include/commands.h

@@ -3,6 +3,6 @@ typedef struct {
     int index;
 } cmd_t;
 
-void cmd_collect(char c);
+void cmd_collect_char(char c);
 void cmd_handle(cmd_t *command);
 void cmd_handle_set(char *op1, char *op2);

src/inverter.c

@@ -38,5 +38,5 @@ ISR(USART1_RX_vect)
 	char u;
 	u = UDR1;
 	
-	cmd_collect(u);
+	cmd_collect_char(u);
 }