more code, less void

.gitignore

@@ -0,0 +1,2 @@
+*~
+build

cmake/Platform/Arduino.cmake

@@ -808,9 +808,7 @@ function(setup_arduino_bootloader_upload TARGET_NAME BOARD_ID PORT AVRDUDE_FLAGS
     endif()
 
     list(APPEND AVRDUDE_ARGS "-Uflash:w:${TARGET_NAME}.hex")
-    message("\n")
-    message(${AVRDUDE_ARGS})
-    message("\n")
+
     add_custom_target(${UPLOAD_TARGET}
                      ${ARDUINO_AVRDUDE_PROGRAM}
                      ${AVRDUDE_ARGS}

reflowctl/reflowctl.ino

@@ -1,6 +1,7 @@
 
 unsigned int time = 0; // profile seconds
-unsigned int degrees = 25; // actual oven temp
+unsigned int temperatur = 25; // actual oven temp
+unsigned int last_temperatur = 25;
 
 unsigned int Ts_max = 200; // °C
 unsigned int Ts_min = 150; // °C
@@ -13,7 +14,26 @@ unsigned int peak_duration = 30; // 20-40s
 unsigned int rampdown_max = 6; // 6°C/s max
 unsigned int time_max = 480; // 8*60s max
 
-byte state; // 0 = start, 1 = preheat, 2 = tal, 3 = max, 4 = rampdown
+#define START_STATE 0
+#define PREHEAT_STATE 1
+#define TAL_STATE 2
+#define MAX_STATE 3
+#define RAMPDOWN_STATE 4
+#define END_STATE 5
+#define ERROR_STATE 6
+
+byte state = START_STATE;
+
+unsigned int Ts_min_time = 0;
+unsigned int Ts_max_time = 0;
+unsigned int Tl_time = 0;
+unsigned int Tp_time = 0;
+unsigned int Tl_end_time = 0;
+
+#define RAMPUP_TOO_FAST 1
+#define RAMPDOWN_TOO_FAST 2
+unsigned int error_condition = 0;
+
 
 void setup() {
   pinMode(13, OUTPUT);
@@ -21,33 +41,54 @@ void setup() {
 }
 
 void get_temp() {
+  // simulating an +1K/s rampup oven
+  last_temperatur = ++temperatur;
+}
+
+boolean check_rampup_rate() {
+  if (temperatur - last_temperatur > rampup_rate) {
+    error_condition = RAMPUP_TOO_FAST;
+    return false;
+  }
+  return true;
 }
 
 void loop() {
   time = millis() / 1000;
+  get_temp();
+  Serial.print(time);
+  Serial.print(" ");
+  Serial.print(temperatur);
+  Serial.print(" ");
+  Serial.println(last_temperatur);
+
 
   // wait a second so as not to send massive amounts of data
   delay(1000);
 
   switch (state) {
-      case 0:
-          if (degrees > Ts_min) {
+      case START_STATE:
+          // going from room temp to preheat, nothing to check here
+          if (!check_rampup_rate())
+              goto error;
+          if (temperatur > Ts_min) {
               state++;
           }
-      case 1:
+      case PREHEAT_STATE:
+          if (temperatur > Ts_max)
+            state++;
           break;
-      case 2:
+      case TAL_STATE:
         break;
-      case 3:
+      case MAX_STATE:
         break;
-      case 4:
+      case RAMPDOWN_STATE:
         break;
       default:
         break;
   }
 
-  if (degrees > 60) {
-    Serial.print("seconds: ");
-    Serial.println(time);
-  }
+error:
+  state = END_STATE;
+  Serial.println(error_condition);
 }