diff testavr.c @ 11:ccc39c9f320b

Enable pretty LED command.
author darius
date Fri, 16 Jul 2004 23:39:58 +0930
parents eb1faf51968e
children 2c03ec600dbc
line wrap: on
line diff
--- a/testavr.c	Mon Jul 12 23:59:00 2004 +0930
+++ b/testavr.c	Fri Jul 16 23:39:58 2004 +0930
@@ -47,7 +47,6 @@
 int		uart_getc(void);
 int		beginswith_P(const char *s1, const char *s2);
     
-#if 0
 uint8_t PROGMEM ledvals[] = {0x01, 0x03, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xc0, 0x80};
 static uint8_t dir = 0;
 static volatile uint8_t leds = 0;
@@ -81,7 +80,6 @@
 
     PORTA = pgm_read_byte(&ledvals[ledpos]);
 }
-#endif
 
 void
 usleep(uint16_t usec) {
@@ -103,21 +101,48 @@
     int		i;
     
     cli();
-#if 0
     outp(0xff, DDRA);
 
     /* Timer Clock divisor - CK/1024 */
     outp(BV(CS00) | BV(CS02), TCCR0);
-#endif
-    outp(0xfe, DDRC);
+
+    outp(0xfc, DDRC);
     outp(0x00, PORTC);
-    
+
     /* Init UART */
     outp(UART_BAUD_SELECT(UART_BAUD_RATE,XTAL_CPU), UBRR);
 
     /* Enable receiver and transmitter. Turn on transmit interrupts */
     outp(BV(RXEN) | BV(TXEN), UCR);
 
+#if 0
+    int was;
+    uint32_t count;
+    
+    was = inp(PINC) & 0x02;
+
+    count = 0;
+    while (1) {
+	if (was) {
+	    if (!(inp(PINC) & 0x02)) {
+		sprintf_P(cmdbuf, PSTR("high -> low, i = %d\n\r"), count);
+		uart_puts(cmdbuf);
+		count = 0;
+		was = 0x00;
+	    }
+	} else {
+	    if ((inp(PINC) & 0x02)) {
+		sprintf_P(cmdbuf, PSTR("low -> high, i = %d\n\r"), count);
+		uart_puts(cmdbuf);
+		count = 0;
+		was = 0x02;
+	    }
+	}
+
+	count++;
+    }
+#endif
+    
     uart_putsP(PSTR("\n\r\n\r===============\n\r"
 		    "Inited!\n\r\n\r"));
 
@@ -163,7 +188,9 @@
 			    "wr bit           Write a bit\n\r"
 			    "wb byte          Write a byte (hex)\n\r"
 			    "wc cmd [ROMID]   Write command\n\r"
-			    "te ROMID         Read the temperature from a DS1820\n\r"));
+			    "te ROMID         Read the temperature from a DS1820\n\r"
+			    "le               Turn pretty LED cycling on\n\r"));
+	    
 	    continue;
 	}
 	
@@ -332,10 +359,7 @@
 
 		i = OWNext(ROM, 1, 0);
 	    } while (1);
-		
-#if 0
-
-	} else if (cmdbuf[0] == 'l' && cmdbuf[1] == 'e' && cmdbuf[2] == 'd') {
+	} else if (cmdbuf[0] == 'l' && cmdbuf[1] == 'e') {
 	    if (leds == 0) {
 		leds = 1;
 		ledpos = 0;
@@ -351,7 +375,6 @@
 		cli();
 		uart_putsP(PSTR("Stopping\n\r"));
 	    }
-#endif	    
 	} else {
 	  badcmd:
 	    uart_putsP(PSTR("Unknown command, ? for a list\n\r"));