X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=buttons.c;h=d5a18bec515ba2d7f3f17d645b923ffebe2e823b;hb=b6712df8f0931170e6ef6c8adef712d74738fe7e;hp=83664c70f9a3e085a7985c1eca041669c5f6a948;hpb=569867e93d1689d327a4fbf496e41d90cb0a4e1c;p=bike-lights.git

diff --git a/buttons.c b/buttons.c
index 83664c7..d5a18be 100644
--- a/buttons.c
+++ b/buttons.c
@@ -1,22 +1,54 @@
 #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)
+{
+	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)
+{
+	led_set_status(1);
+}
 
 void timer_check_buttons()
 {
@@ -28,43 +60,45 @@ void timer_check_buttons()
 	};
 	for (i = 0; i < N_BUTTONS; i++) {
 		if (!port_states[i]) { // is pressed
-			if (button_pressed[i]) { // been already pressed
-				// TODO long button press
-				/*
-				uint16_t duration = jiffies - button_start[i];
-				if (duration > 10 && duration < 40) {
-					gpio_set(GPIO_LED2, 1);
-				}
-				*/
-			} else { // begin of button press
+			if (button_pressed[i] == 0) {
+				// begin of button press
 				button_pressed[i] = 1;
 				button_start[i] = jiffies;
+#if 0
 				// log_byte(0xC0);
 				// log_word(jiffies);
+#endif
+			} else if (button_pressed[i] == 1) {
+				// been already pressed
+				uint16_t duration = jiffies - button_start[i];
+				if (duration > 80) {
+					// long button press
+					button_pressed[i] = 2;
+					long_press(i);
+				}
 			}
 		} else { // is not pressed
 			if (button_pressed[i]) { // just depressed
 				uint16_t duration = jiffies - button_start[i];
+#if 1
 				log_byte(0xC1);
 				log_word(duration);
 				log_flush();
-				// led_set_number_pattern(N_PWMLEDS, 1 + (duration >> 3));
+#endif
 				button_pressed[i] = 0;
+				if (duration > 6 && duration < 30)
+					short_press(i);
+				if (sleep_after_release)
+					do_sleep();
 			}
 		}
-
-		break; // FIXME - delete this when btn1 is ready
 	}
 }
 
-#if 0
 ISR(INT0_vect)
 {
-	unsigned char tmpval = PINB & _BV(PB6);
-
-	gpio_set(GPIO_LED2, tmpval);
+	hw_setup();
 	log_byte(0xbb);
 	log_flush();
 }
-#endif