From dbbcaf6e61197990ec21a702102c81deb66f2110 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Tue, 28 Aug 2012 23:43:43 +0200
Subject: [PATCH] patterns implemented

---
 Makefile  |  2 +-
 lights.h  |  6 +++++-
 main.c    |  1 +
 pattern.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++--
 tmr.c     |  9 ++++++++-
 5 files changed, 62 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index e7b6355..d51e72d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 
 PROGRAM=lights
-SRC=main.c logging.c adc.c pwm.c tmr.c pwmled.c gpio.c ambient.c
+SRC=main.c logging.c adc.c pwm.c tmr.c pwmled.c gpio.c ambient.c pattern.c
 OBJ=$(SRC:.c=.o)
 
 
diff --git a/lights.h b/lights.h
index 74e887d..2559e57 100644
--- a/lights.h
+++ b/lights.h
@@ -49,8 +49,12 @@ void gpio_set(unsigned char n, unsigned char on);
 
 /* ambient.c */
 void ambient_init();
-extern unsigned char ambient_zone;
+extern volatile unsigned char ambient_zone;
 void ambient_adc(uint16_t adc_val);
 
+/* pattern.c */
+void pattern_init();
+void patterns_next_tick();
+
 #endif /* !LIGHTS_H__ */
 
diff --git a/main.c b/main.c
index 7b63ad8..0953063 100644
--- a/main.c
+++ b/main.c
@@ -17,6 +17,7 @@ int main(void)
 	pwmled_init();
 	gpio_init();
 	ambient_init();
+	pattern_init();
 
 	log_set_state(3);
 
diff --git a/pattern.c b/pattern.c
index 386f9df..0245c3b 100644
--- a/pattern.c
+++ b/pattern.c
@@ -1,3 +1,5 @@
+#include <avr/io.h>
+
 #include "lights.h"
 
 typedef struct {
@@ -15,8 +17,30 @@ pattern_t off_pattern[] = {
 };
 
 pattern_t blink_pattern[] = {
-	{ 1, 5 },
-	{ 0, 5 },
+	{ 1, 0x4 },
+	{ 0, 0x8 },
+	PATTERN_END
+};
+
+pattern_t pattern_num[] = {
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x4 },
+	{ 1, 0x1 },
+	{ 0, 0x1F },
 	PATTERN_END
 };
 
@@ -30,6 +54,27 @@ void pattern_init()
 	}
 }
 
+static inline pattern_t *pattern_select(unsigned char n)
+{
+	log_byte(ambient_zone);
+	return pattern_num + sizeof(pattern_num)/sizeof(pattern_t)
+		- 1 - 2*(1+ambient_zone);;
+}
+
+static void inline led_off(unsigned char n)
+{
+	if (n == N_PWMLEDS) {
+		gpio_set(GPIO_LED2, 0);
+	}
+}
+
+static void inline led_set_level(unsigned char n, unsigned char level)
+{
+	if (n == N_PWMLEDS) {
+		gpio_set(GPIO_LED2, 1);
+	}
+}
+
 void patterns_next_tick()
 {
 	unsigned char i;
diff --git a/tmr.c b/tmr.c
index b8fb502..2d52189 100644
--- a/tmr.c
+++ b/tmr.c
@@ -4,6 +4,8 @@
 #include "lights.h"
 
 volatile uint16_t jiffies;
+#define PATTERN_DIV 5	// clk/10
+static unsigned char pattern_div;
 
 void init_tmr()
 {
@@ -13,13 +15,18 @@ void init_tmr()
 	TIMSK |= _BV(OCIE0A);
 
 	jiffies = 0;
+	pattern_div = PATTERN_DIV;
 }
 
 ISR(TIMER0_COMPA_vect)
 {
 	++jiffies;
 
-	// patterns_next_tick();
+	if (--pattern_div == 0) {
+		patterns_next_tick();
+		pattern_div = PATTERN_DIV;
+	}
+
 	timer_start_adcs();
 }
 
-- 
2.39.3