From: Martin Mares <mj@ucw.cz>
Date: Fri, 23 Aug 2013 19:56:26 +0000 (+0200)
Subject: Tenar: Swapped pins
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=09a249bb66d40a0e2e52727c742273914ba44231;p=misc.git

Tenar: Swapped pins
---

diff --git a/tenar/tenar.c b/tenar/tenar.c
index d69c0ad..3b9d1c2 100644
--- a/tenar/tenar.c
+++ b/tenar/tenar.c
@@ -9,8 +9,8 @@
  *
  *			+-------------------+
  *	                | RESET*        VCC |
- *	output RESET*	| PB3           SCK |
- *	diagnostic LED*	| PB4          MISO |
+ *	diagnostic LED*	| PB3           SCK |
+ *	output RESET*	| PB4          MISO |
  *			| GND          MOSI |
  *			+-------------------+
  */
@@ -35,21 +35,21 @@ static void sleep(uint16_t millisec)
 
 int main(void)
 {
-	PORTB &= ~B(PB3);		// PB3: tri-stated
-	DDRB |= B(PB4);			// PB4: output
+	PORTB &= ~B(PB4);		// PB4: tri-stated
+	DDRB |= B(PB3);			// PB3: output
 
 	for (byte i=0; i<5; i++) {
-		PORTB &= ~B(PB4);
+		PORTB &= ~B(PB3);
 		sleep(100);
-		PORTB |= B(PB4);
+		PORTB |= B(PB3);
 		sleep(900);
 	}
 
-	PORTB &= ~B(PB4);
-	DDRB |= B(PB3);			// PB3: output 0
+	PORTB &= ~B(PB3);
+	DDRB |= B(PB4);			// PB4: output 0
 	sleep(300);
-	DDRB &= ~B(PB3);		// PB3: tri-state
-	PORTB |= B(PB4);
+	DDRB &= ~B(PB4);		// PB4: tri-state
+	DDRB &= ~B(PB3);		// PB3: tri-state to save power
 
 	for (;;) {
 		set_sleep_mode(SLEEP_MODE_PWR_DOWN);