X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=blobdiff_plain;f=buttons.c;h=d5a18bec515ba2d7f3f17d645b923ffebe2e823b;hp=b58ca2adade9d384e17659da9202df9508fdf438;hb=01e1d3b0da770db9cc4dc9a7fd649548e60ac0ec;hpb=17c3ca665220350644eded751e14820324c4ba86

diff --git a/buttons.c b/buttons.c
index b58ca2a..d5a18be 100644
--- a/buttons.c
+++ b/buttons.c
@@ -1,26 +1,48 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
+#include <avr/sleep.h>
 
 #include "lights.h"
 
 static uint16_t button_start[N_BUTTONS];
 static unsigned char button_pressed[N_BUTTONS];
 
+static unsigned char sleep_after_release;
+
 void init_buttons()
 {
-	// MCUCR |= _BV(ISC00); // any edge generates IRQ
-	// GIMSK |= _BV(INT0); // enable INT0
 	DDRB &= ~(_BV(PB6) | _BV(PB0));
 	PORTB |= _BV(PB6) | _BV(PB0);
 
+	sleep_after_release = 0;
 	// log_byte(PORTB);
 }
 
-extern unsigned char led1_counter;
-
 static void inline long_press(unsigned char n)
 {
-	led_set_status(2);
+	sleep_after_release = 1;
+	gpio_set(1, 1);
+}
+
+static void do_sleep()
+{
+	// led_set_status(2);
+	// MCUCR |= _BV(ISC00); // any edge generates IRQ
+	log_byte(0xb0);
+	log_flush();
+	set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+	PORTA = 0;
+	PORTB = 0;
+	DDRA = 0;
+	DDRB = 0;
+	GIMSK |= _BV(INT0); // enable INT0
+	sleep_enable();
+	sei();
+	sleep_cpu();
+	sleep_disable();
+	cli();
+	GIMSK &= ~_BV(INT0); // disable INT0
+	hw_setup();
 }
 
 static void inline short_press(unsigned char n)
@@ -66,19 +88,17 @@ void timer_check_buttons()
 				button_pressed[i] = 0;
 				if (duration > 6 && duration < 30)
 					short_press(i);
+				if (sleep_after_release)
+					do_sleep();
 			}
 		}
 	}
 }
 
-#if 0
 ISR(INT0_vect)
 {
-	unsigned char tmpval = PINB & _BV(PB6);
-
-	gpio_set(GPIO_LED2, tmpval);
+	hw_setup();
 	log_byte(0xbb);
 	log_flush();
 }
-#endif