things

firmware/cup.c

@@ -14,7 +14,7 @@
 #define TIMEOUT 51 /* 2 seconds */
 
 const uint16_t LED_GREEN_TEMP = 300;
-const uint16_t LED_RED_TEMP = 1200;
+const uint16_t LED_RED_TEMP = 1000;
 
 #define TARGET_TEMP_MIN 300
 #define TARGET_TEMP_MAX 1520
@@ -62,16 +62,20 @@ ISR(TIM1_OVF_vect)
 	
 	/* incremtening softpwm, toggling output if needed */
 	heat_pwm++;
-    if(heat_pwm <= heat_power)
-    {   
-        PORTB |= (1 << FET0_PIN);  
-    } else {
+    if(heat_pwm == 0 && heat_power > 0)
+    {
+        PORTB |= (1 << FET0_PIN);
+    }
+    else if(heat_pwm > heat_power)
+    {
         PORTB &= ~(1 << FET0_PIN);
     }
-    if( ((heat_pwm + 128)&0xff) <= heat_power )
-    {   
-        PORTB |= (1 << FET1_PIN);  
-    } else {
+    if(heat_pwm == 128 && heat_power > 0)
+    {
+        PORTB |= (1 << FET1_PIN);
+    }
+    else if( ((heat_pwm + 128) & 0xff) > heat_power )
+    {
         PORTB &= ~(1 << FET1_PIN);
     }
     
@@ -113,11 +117,11 @@ inline uint8_t control_output(void)
 	}
 	else if(temperature + 100 > target)
 	{
-		return (target - temperature) * 255 / 100;
+		return (target - temperature) * 192 / 100;
 	}
 	else
 	{
-		return 255;
+		return 192;
 		//return (uint8_t)((uint16_t)((uint32_t)((uint32_t)255*target)/temperature)/TARGET_TEMP_MAX);
 	}
 }
@@ -256,25 +260,27 @@ int main(void)
 			adc_sum += ADC;
 			if(++adc_pos == 64)
 			{
-				//adc_sum = 47000;
 				temperature = linearize_temp(adc_sum);
-				//temperature = 1100;
+				if(temperature < 400)
+				{
+					startup = 2 * TEN_SECONDS;
+				}
 				adc_sum = 0;
 				adc_pos = 0;
-				if(1)//dev_state)
+				if(dev_state)
 				{
 					heat_power = control_output();
 					if(startup && heat_power > 96) {heat_power = 96;}
 				}
-				/*else
+				else
 				{
                     heat_power = 0;
-				}*/
+				}
 			}
 		}
 		
-		/*if(!dev_state) {led_off();}
-		else */if(setting_timeout) {led_set(target);}
+		if(!dev_state) {led_off();}
+		else if(setting_timeout) {led_set(target);}
 		else {led_set(temperature);}
 		
 		if(eeprom_write && dev_state)