Refacored code; introduced all possible commands

include/SerialCmd.h

@@ -1,16 +1,35 @@
+/**
+ * @file SerialCmd.h
+ * @author Ollo
+ * @brief 
+ * @version 0.1
+ * @date 2024-12-06
+ * 
+ * @copyright Copyright (c) 2024
+ * 
+ */
 #ifndef SERIALCMD_H
 #define SERIALCMD_H
 
 #include <stdint.h>
 
+/* Define commands: */
+#define SERIALCMD_COMMAND_SETLED        "l"
+#define SERIALCMD_COMMAND_AUTOMATIC     "a"
+#define SERIALCMD_COMMAND_FAN           "f"
+
+#define SERIALCMD_COMMAND_HELP          "ollpehelp"
+#define SERIALCMD_PARAMETER_OFFSET      6
+
 int SerialCmd_readFromSerial (void);
 
 void SerialCmd_clearCmdArray (void);
 
 int SerialCmd_checkCmdArrayForPrefix (void);
 
-uint32_t SerialCmd_parseColor(int startOffset);
+uint32_t SerialCmd_parseColor(unsigned int startOffset);
 
 char SerialCmd_type(void);
+void SerialCmd_help(void);
 
 #endif /* SERIALCMD_H */

include/controller.h

@@ -11,8 +11,20 @@
 #ifndef FANLEDCTL_PINS
 #define FANLEDCTL_PINS
 
-#define FAN_PIN     D6  /**< Output Pin, controlling FAN speed via PWM */
+
-#define SIGNAL_PIN  D7  /**< Input Pin, reading current FANs RPM*/
+/******************************************************************************
+ *                BEHAVIOR DEFINES
+ ******************************************************************************/
+
+#define LOW_FAN_SPEED   500 /**< Rounds per Minute */
+
+
+/******************************************************************************
+ *                 PINOUT         DEFINES
+ ******************************************************************************/
+
+#define FAN_PIN         D6  /**< Output Pin, controlling FAN speed via PWM */
+#define SIGNAL_PIN      D7  /**< Input Pin, reading current FANs RPM*/
 
 #define GPIO_DS18B20    D2  /**< One-Wire used for Dallas temperature sensor */
 

src/SerialCmd.cpp

@@ -1,4 +1,14 @@
 
+/**
+ * @file SerialCmd.h
+ * @author Ollo
+ * @brief 
+ * @version 0.1
+ * @date 2024-12-06
+ * 
+ * @copyright Copyright (c) 2024
+ * 
+ */
 #include "SerialCmd.h"
 #include "ColorUtil.h"
 #include <Arduino.h>
@@ -7,6 +17,8 @@
 // Serial fields
 #define CMD_MAX     128
 
+#define CMD_INDEX   5 /**< fiveth character defindes the command */
+
 static char myCmd[CMD_MAX];
 
 /**
@@ -74,11 +86,17 @@ int SerialCmd_checkCmdArrayForPrefix (void)
     }
 }
 
+/**
+ * @brief 
+ * Get type, see different commands in header file
+ * 
+ * @return char 
+ */
 char SerialCmd_type(void)
 {
     if (SerialCmd_checkCmdArrayForPrefix())
     {
-        return myCmd[5];
+        return myCmd[CMD_INDEX];
     }
     else
     {
@@ -86,10 +104,15 @@ char SerialCmd_type(void)
     }
 }
 
-uint32_t SerialCmd_parseColor(int startOffset)
+/**
+ * @brief Color
+ * Extract color of the following six bytes
+ * @param startOffset 
+ * @return uint32_t 
+ */
+uint32_t SerialCmd_parseColor(unsigned int startOffset)
 {
   unsigned int colorParts[3]; /* 0: red, 1: green, 2: blue */
-  unsigned int colorSum = 0;
 
   if (startOffset > (CMD_MAX - sizeof(colorParts)))
   {
@@ -112,3 +135,12 @@ uint32_t SerialCmd_parseColor(int startOffset)
 
   return Color(r, g, b);
 }
+
+void SerialCmd_help(void)
+{
+  Serial.println(SERIALCMD_COMMAND_HELP);
+  Serial.println(F("help: " SERIALCMD_COMMAND_HELP)); 
+  Serial.println(F("leds: " SERIALCMD_COMMAND_SETLED  "followed by rrggbb (as hex)"));
+  Serial.println(F("manual fan control: " SERIALCMD_COMMAND_FAN " followed by xx (speed as hex)"));
+  Serial.println(F("automatic fan: " SERIALCMD_COMMAND_FAN " followed by xx (speed as hex)"));
+}

src/main.cpp

@@ -1,3 +1,13 @@
+/**
+ * @file main.cpp
+ * @author Ollo
+ * @brief 
+ * @version 0.5
+ * @date 2024-11-28
+ * 
+ * @copyright Copyright (c) 2024
+ * 
+ */
 #include <Arduino.h>
 #include <ESP8266WiFi.h>
 #include <DallasTemperature.h>
@@ -26,6 +36,11 @@
 #define TEMP_SENSOR_MEASURE_SERIES  5 /**< Maximum resets */
 #define FAN_RPM_READLEVEL     100
 
+#define RPM_CONTROL_DEACTIVATED -1
+
+/******************* Settings for command mode ***************/
+#define COMMAND_BRIGHTNESS    200
+
 /******************************************************************************
  *                            LOCAL VARIABLES
  ******************************************************************************/
@@ -35,6 +50,13 @@ Adafruit_NeoPixel*  singleLed;
 OneWire oneWire(GPIO_DS18B20);
 DallasTemperature sensors(&oneWire);
 
+static int mAutomaticTargetRPM = RPM_CONTROL_DEACTIVATED;
+
+
+/******************************************************************************
+ *                            LOCAL FUNCTIONS
+ ******************************************************************************/
+
 #ifdef FAN_ENABLED
 /**
  * @brief Get the Fan Speed in round per minutes
@@ -65,6 +87,26 @@ void setFanSpeedPercent(int p) {
   uint8_t mRainbowIndex;
 #endif
 
+float readTemperature(void)
+{
+  int sensorCount = sensors.getDeviceCount();
+  if (sensorCount > 0)
+  {
+    sensors.requestTemperatures();
+    float temp1Raw = sensors.getTempCByIndex(0);
+    if (temp1Raw > 0)
+    {
+      return temp1Raw;
+    }
+  }
+
+  return INVALID_TEMP;
+}
+
+/******************************************************************************
+ *                            STANDARD ARDUINO FUNCTIONS
+ ******************************************************************************/
+
 /**
  * @brief Called once at start
  * Initialize hardware pins
@@ -120,22 +162,6 @@ void setup()
 
 }
 
-float readTemperature(void)
-{
-  int sensorCount = sensors.getDeviceCount();
-  if (sensorCount > 0)
-  {
-    sensors.requestTemperatures();
-    float temp1Raw = sensors.getTempCByIndex(0);
-    if (temp1Raw > 0)
-    {
-      return temp1Raw;
-    }
-  }
-
-  return INVALID_TEMP;
-}
-
 /**
  * @brief Endless loop
  * (is called as fast as possible)
@@ -160,7 +186,7 @@ void loop()
   }
 
 #ifdef FAN_ENABLED
-  if (actualFanSpeedRpm == 0)
+  if ((actualFanSpeedRpm >= 0) && (actualFanSpeedRpm < LOW_FAN_SPEED))
   {
     if (i > FAN_RPM_READLEVEL)
     {
@@ -183,17 +209,22 @@ void loop()
     
     if(checkCmd == 0)
     {
-       Serial.println("if you dont know what to do type \"ollpehelp\"");
+       Serial.println(F("if you dont know what to do type \"" SERIALCMD_COMMAND_HELP  "\""));
     }
     else
     {
       char type = SerialCmd_type();
       switch (type)
       {
-      case 'a':
+      case SERIALCMD_COMMAND_SETLED[0]:
-        uint32_t color = SerialCmd_parseColor(6);
+      {
+        uint32_t color = SerialCmd_parseColor(SERIALCMD_PARAMETER_OFFSET);
         pixels->fill(color);
-        pixels->setBrightness(200);
+        pixels->setBrightness(COMMAND_BRIGHTNESS);
+      }
+        break;
+      case SERIALCMD_COMMAND_AUTOMATIC[0]:
+        mAutomaticTargetRPM = RPM_CONTROL_DEACTIVATED;
         break;
       }
     }