adding some docs, adding current software release of display servo

schaltungen/displayboard_servo/software/src/main.c

@@ -31,9 +31,7 @@ static void timer_init(void) {
 }
 
 static void ports_init(void) {
-
-DDRB |= (1<<PB4)|(1<<PB3); 
-
+	DDRB |= _BV(PB3); 
 }
 
 static void process_command() {
@@ -85,29 +83,28 @@ static void work_uart() {
     }
 }
 
-static void set_servo(uint8_t power) {
+static void set_servo(uint16_t display) {
 
-    uint8_t display = 0;
-
-//    display = power * 10;     // shift, since we have to divide by 2,4 (24)
-//    display = display / 24;   // instead of dividing by 2,4
-//    display = display + 125;
-
-      display = power;
+    display = display * 10;     // shift, since we have to divide by 3,2 (32)
+    display = display / 32;   // instead of dividing by 3,2
+    display = display + 125;
 
+	cli();		// read and write atomic
     OCR1A = 2500-display;
+    sei();
+    
 }
 
 
 static void demo_display(void) {
-	for(uint8_t i = 0; i< 30;i = i+1) {
+	for(uint8_t i = 0; i< 40;i++) {
 		set_servo(i*10);
-		wait(100);
+		wait(5);
 	}
 
-	for(uint8_t i = 10; i>= 0;i = i-1) {
- 	       set_servo(i*5);
-    		wait(100);
+	for(uint8_t i = 40; i> 0;i--) {
+		set_servo(i*10);
+		wait(5);
     }
 
 }
@@ -121,15 +118,15 @@ int main(void) {
 
 	demo_display();
 
-//	while(1) {
-//	    work_uart();
+	while(1) {
+	    work_uart();
 
         if(syscounter >= 10) {
             uart_putc('a'); // send a to receive values
 
             set_servo(power_gen);
             syscounter = 0;
-        //}
+        }
 	}
 	
 	return(0);