Changeset 423

Timestamp:

02/21/09 22:24:50 (3 years ago)

Author:

kleinjt

Message:

added support for status LEDs

Location:

trunk/electronics/avr/killswitch

Files:

• killremote.c (modified) (5 diffs)
• killrobot.c (modified) (1 diff)
• mkfile (modified) (1 diff)

trunk/electronics/avr/killswitch/killremote.c

@@ -9 +9 @@
 #define sbi(var, mask)   ((var) |= (uint8_t)(1 << mask))
 #define cbi(var, mask)   ((var) &= (uint8_t)~(1 << mask))
+
+int counter = 0;
 
 static void serial_init(long baud)
@@ -30 +32 @@
 }
 
+static void timer_init()
+{
+        TCCR0A =  _BV(WGM01);
+        TCCR0B = _BV(CS00) | _BV(CS02);
+        OCR0A = 17;
+        TIMSK0 = _BV(OCIE0A);
+}
+
 static void io_init()
 {
-        DDRB = 0x00;
+        DDRB = 0x0F;
         DDRC = 0x00;
         DDRD = 0b11111110;
@@ -40 +50 @@
 {
         io_init();
+        timer_init();
         serial_init(9600);
         sei();
@@ -46 +57 @@
 
         while (1) {
+                uint8_t in = 'f';
                 c = PINC;
                 c &= (1<<2);
                 usart_put(!c ? 's' : 'g');      
-                _delay_ms(50);
+                _delay_ms(100);
+                
+                if(UCSR0A & (1<<7)) {
+                        in = usart_get();
+                        if(in == 'c') PORTB |= 0x03;
+                        counter = 500;  
+                }
+                
+                if(!counter) PORTB &= 0xFC;
+                if(!c) PORTB &= 0xF3;
+                else PORTB |= 0x0C;
+                
         }
 
@@ -55 +78 @@
         return 0;
 }
+
+ISR(TIMER0_COMPA_vect)
+{
+        if(counter) counter--;
+}

trunk/electronics/avr/killswitch/killrobot.c

@@ -69 +69 @@
                         PORTB = 0x0F;
                         counter = 500;
+                        usart_put('c');
                 }
                 else if(in == 's' || !counter) {
                         PORTB = 0x00;
+                        usart_put('c');
                 }
                 in = 'f';

trunk/electronics/avr/killswitch/mkfile

@@ -3 +3 @@
 <$RHRTELEC/avr/mkhdr
 
-TARG=killrobot
-OFILES=killrobot.o
+TARG=killremote
+OFILES=killremote.o
 
 <$RHRTELEC/avr/mkcommon