From 77458eeeb3b5916255bb74e635c0f29dbd6b5870 Mon Sep 17 00:00:00 2001
From: Nidan <nidan@ghostdub.de>
Date: Mon, 14 Jan 2013 15:33:39 +0100
Subject: [PATCH 1/3] adjusting timer

---
 firmware/cup.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/firmware/cup.c b/firmware/cup.c
index a7ce9a5..c2f0cc5 100644
--- a/firmware/cup.c
+++ b/firmware/cup.c
@@ -10,7 +10,7 @@
 #define FET0_PIN 0
 #define FET1_PIN 1
 
-#define TIMEOUT 255
+#define TIMEOUT 51 /* 2 seconds */
 
 uint8_t led_color = 0;
 
@@ -72,7 +72,7 @@ ISR(PCINT0_vect)
 //                    uC ADC pin (with 1.11V reference)
 uint16_t linearize_temp(uint16_t temp_in)
 {
-	static const uint16_t one_point_one_volt = 65472; //2^16-2^6
+	static const uint16_t one_point_one_volt = (1 << 16) - (1 << 6);/* max value from 64 adc mesaurements */
 	uint16_t temp_out = ~0; //burning
 	// made from datasheet by:
 	// for i in 677 740 807 877 951 1029 1111 1196 1286 1378 1475 1575 1679 1786 1896 2003 2103 2189; do calc 5*$i/9860*65472/1.11; done
@@ -149,8 +149,9 @@ void adc_init(void)
 
 void heat_init(void)
 {
-	TCCR1B = (1 << CS12) | (1 << CS10);/* prescaler / 1024 */
+	TCCR1B = (1 << WGM12) | (1 << CS10);/* some mode allowing to set timer TOP, no prescaler */
 	TIMSK1 = (1 << TOIE1);/* interupt on overflow */
+	OCR1A = 39063;
 	/* insert loading of heat setting here */
 }
 

From 0d2468ea08cc07478a10966e235076c33a342289 Mon Sep 17 00:00:00 2001
From: Nidan <nidan@ghostdub.de>
Date: Mon, 14 Jan 2013 15:45:13 +0100
Subject: [PATCH 2/3] setting softpwm values

---
 firmware/cup.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/firmware/cup.c b/firmware/cup.c
index dbba047..a19db2c 100644
--- a/firmware/cup.c
+++ b/firmware/cup.c
@@ -197,7 +197,18 @@ int main(void)
 				adc_sum = 0;
 				adc_pos = 0;
 				temperature = linearize_temp(temperature_adc);
-				heat_output = control_output(temperature, target);
+				if(dev_state)
+				{
+					heat_output = control_output(temperature, target);
+					heat_on[0] = 0;
+					heat_on[1] = 128;
+					heat_off[0] = heat_output;
+					heat_off[1] = heat_output + 128;
+				}
+				else
+				{
+					heat_on[0] = heat_on[1] = heat_off[0] = heat_off[1] = 0;
+				}
 			}
 		}
 		

From f506a085fba9533d81f33de016e88da0348a3eb6 Mon Sep 17 00:00:00 2001
From: Paul Goeser <paul@rakka.de>
Date: Mon, 14 Jan 2013 15:46:33 +0100
Subject: [PATCH 3/3] alter plan upate

---
 PLAN | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/PLAN b/PLAN
index 0df77f6..837659f 100644
--- a/PLAN
+++ b/PLAN
@@ -1,12 +1,16 @@
 Dinge die zu tun sind:
 
+- platte und heizelemente befestigen
+
+- brett wachsen
+
+FAST FERTIG
+- impulsgeber befestigen
+
+DONE
 - Schaltung entwerfen
 - Schaltung löten
 - blech sägen
 - brett sägen
 - brett aushölen
 - brett fasen
-- innenleben planen
-- impulsgeber befestigen
-- platte und heizelemente befestigen u. bohren
-- brett wachsen