Jolyon Hill
/
ColourSensor
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Dependencies: MCP23S17 PCF8574 TextLCD eeprom mbed-dev
Diff: main.cpp
- Revision:
- 3:b8218b61b0e2
- Parent:
- 2:4a8eacbb3657
- Child:
- 4:dce5fc58abe9
--- a/main.cpp Fri Aug 12 11:01:07 2016 +0000
+++ b/main.cpp Tue Aug 16 10:21:19 2016 +0000
@@ -10,7 +10,30 @@
#define SENSOR_GREEN_REG 152
#define SENSOR_BLUE_REG 154
-#define WHITE_THRESHOLD 20
+#define WHITE_THRESHOLD 15
+
+//--------------------------------------
+//each LED type is defined here
+#define NOTUSED 0
+#define STD_RED 1
+#define STD_GREEN 2
+#define STD_BLUE 3
+#define STD_YELLOW 4
+#define GREEN_YELLOW 5
+#define RGB 6
+
+
+//--------------------------------------
+//Current LED Colour Definitions
+#define ERROR 0 //off or wrong
+#define RED 1
+#define GREEN 2
+#define BLUE 3
+#define YELLOW 4
+
+
+
+//--------------------------------------
@@ -29,11 +52,6 @@
DigitalOut RedLed(LED3);
DigitalOut YellowLed(LED4);
-//DigitalOut myled(LED1);
-//DigitalOut myGreen(p21);
-//DigitalOut myYellow(p22);
-//DigitalOut myled4(LED4);
-//DigitalOut green(LED1);
//-------------------------------------------------------------------------------
//-------------------------------------------------------------------------------
@@ -92,6 +110,34 @@
Colour SensorData;
//-------------------------------------------------------------------------------
+//The system looks up the type of LED that is being detected for Each sensor and will fill in the result table & update the associated Output list
+//outputs start at 0 torough to 15
+
+char Config[32]={ RGB, 0, //sensor 0 , uses 3 outputs - 0,1,2
+ NOTUSED,3, //sensor 1
+ NOTUSED,4, //sensor 2
+ NOTUSED,5, //sensor 3
+ NOTUSED,6, //sensor 4
+ NOTUSED,7, //sensor 5
+ NOTUSED,8, //sensor 6
+ NOTUSED,9, //sensor 7
+ NOTUSED,10, //sensor 8
+ NOTUSED,11, //sensor 9
+ NOTUSED,12, //sensor 10
+ NOTUSED,13, //sensor 11
+ NOTUSED,14, //sensor 12
+ NOTUSED,15, //sensor 13
+ NOTUSED,15, //sensor 14
+ NOTUSED,15, //sensor 15
+ };
+
+char LEDState[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; //current detected LED states
+
+uint16_t OutputData = 0; //word containing the current output states of the board
+
+uint8_t SensorNumber = 0; //current sensor number
+char SensorResult = 0; //detected colour
+
//------------TSC Stuff----------------
int sensor_addr = 41 << 1;
@@ -128,7 +174,7 @@
float MyCCTi;
uint8_t DisplayIndex = 0;
-uint8_t Config = 0x30;
+uint8_t SensorConfig = 0x30;
// bit description setting
// 0 SD, 0 = enabled 0
// 1 AF, 0 = Automode 0
@@ -291,15 +337,130 @@
RedThreshold = RedTrimmer.read_u16() * 100 >> 11;
GreenThreshold = GreenTrimmer.read_u16() * 100 >> 11;
BlueThreshold = BlueTrimmer.read_u16() * 100 >> 11;
- Hysteresis = HysTrimmer.read_u16() * 100 >> 11;
+ Hysteresis = HysTrimmer.read_u16() * 100 >> 11;
+ */
- */
RedThreshold = 45;
GreenThreshold = 35;
BlueThreshold = 10;
Hysteresis = 5;
}
+
+void UpdateDisplay(void)
+{
+ //make 12 bit only (display)
+ Red >>=4;
+ Green >>=4;
+ Blue >>=4;
+ White >>=4;
+
+ lcd.locate(0, 0);
+ lcd.printf("R%02i G%02i B%02i W%04i",RedProp,GreenProp,BlueProp,White);
+ lcd.locate(0, 1);
+ lcd.printf("R%02i G%02i B%02i H%02i ",RedThreshold, GreenThreshold, BlueThreshold, Hysteresis);
+}
+
+
+char GetResults(uint8_t ThisSensor)
+{
+
+ char LEDColour = ERROR;
+
+
+ if(White > WHITE_THRESHOLD) //looking at intensity somthing is on!
+ {
+ switch(Config[(ThisSensor << 1)])
+ {
+ case STD_RED:
+ {
+ if((RedProp - GreenProp > 30) && (RedProp - BlueProp > 30))
+ {
+ LEDColour = RED;
+ }
+ }
+ break;
+
+ case STD_GREEN:
+ {
+ if((GreenProp - RedProp > 30) && (GreenProp - BlueProp > 30))
+ {
+ LEDColour = GREEN;
+ }
+ }
+ break;
+
+ case STD_BLUE:
+ {
+ if((BlueProp - RedProp > 30) && (BlueProp - GreenProp > 30))
+ {
+ LEDColour = BLUE;
+ }
+ }
+ break;
+
+ case STD_YELLOW:
+ {
+ if( (GreenProp <= (GreenThreshold-Hysteresis)) && (RedProp >=(RedThreshold+Hysteresis)) )
+ {
+ LEDColour = YELLOW;
+ }
+ }
+ break;
+
+ case GREEN_YELLOW:
+ {
+ if( (GreenProp <= (GreenThreshold-Hysteresis)) && (RedProp >=(RedThreshold+Hysteresis)) )
+ { //pretty sure it's Yellow
+
+ LEDColour = YELLOW;
+ }
+ else
+ {
+ if( (GreenProp > (GreenThreshold+Hysteresis)) && (RedProp <=(RedThreshold-Hysteresis)) )
+ { //pretty sure it's green
+ LEDColour = GREEN;
+ }
+ }
+ }
+ break;
+
+ case RGB:
+ {
+ if((RedProp - GreenProp > 30) && (RedProp - BlueProp > 30))
+ {
+ LEDColour = RED;
+ }
+ else
+ {
+ if((GreenProp - RedProp > 30) && (GreenProp - BlueProp > 30))
+ {
+ LEDColour = GREEN;
+ }
+ else
+ {
+ if((BlueProp - RedProp > 30) && (BlueProp - GreenProp > 30))
+ {
+ LEDColour = BLUE;
+ }
+ }
+ }
+ }
+ break;
+
+ case NOTUSED:
+ default:
+ {
+ LEDColour = ERROR;
+ }
+ break;
+ }
+ }
+ return LEDColour;
+}
+
+
+
int main()
{
InitOutputs();
@@ -331,65 +492,124 @@
//----------------------My TCS3472--------------------
- SensorData = GetSensorData(0);
+ for(SensorNumber = 0; SensorNumber < 16; SensorNumber++)
+ {
+ if(Config[((SensorNumber << 1) + 1)] != NOTUSED) //check to see if the sensor is being used
+ {
+ SensorData = GetSensorData(SensorNumber);
+
+ White = SensorData.White;
+ Red = SensorData.Red;
+ Green = SensorData.Green;
+ Blue = SensorData.Blue;
- White = SensorData.White;
- Red = SensorData.Red;
- Green = SensorData.Green;
- Blue = SensorData.Blue;
+ UpdateDisplay();
+
+ // work out % of colour mix
+ Temp = (Red+Blue+Green);
+ RedProp = (Red* 100) / Temp ;
+ GreenProp = (Green* 100) / Temp ;
+ BlueProp = (Blue* 100) / Temp ;
+
+
+ SensorResult = GetResults(SensorNumber);
+
+
- //Red filter
- //Red = Filter(&AvgRed, Red, FACTOR);
- //Green Filter
- //Green = Filter(&AvgGreen, Green, FACTOR);
- //Blue Filter
- //Blue = Filter(&AvgBlue, Blue, FACTOR);
- //White Filter
- //White = Filter(&AvgWhite, White, FACTOR);
+ //good LED so turn on Outputs
+ switch (Config[(SensorNumber << 1)])
+ {
+ case STD_RED:
+ case STD_GREEN:
+ case STD_BLUE:
+ case STD_YELLOW:
+ {
+ if (SensorResult == Config[(SensorNumber << 1)])
+ {
+ SetOutputBit(Config[((SensorNumber << 1)+1)]);
+ }
+ else
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]);
+ }
+ }
+ break;
+
+ case GREEN_YELLOW:
+ {
+ if (SensorResult == YELLOW)
+ {
+ SetOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ ClearOutputBit( Config[((SensorNumber << 1)+1)] +1);//next output
+ }
+ else
+ {
+ if (SensorResult == GREEN)
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ SetOutputBit( Config[((SensorNumber << 1)+1)] +1);//next output
+ }
+ else
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ ClearOutputBit( Config[((SensorNumber << 1)+1)] +1);//next output
+ }
+ }
+ }
+ break;
+
+ case RGB:
+ {
+ if (SensorResult == RED)
+ {
+ SetOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ ClearOutputBit(Config[((SensorNumber << 1)+1)] +1); //next output
+ ClearOutputBit(Config[((SensorNumber << 1)+1)] +2); //next output
+ }
+ else
+ {
+ if (SensorResult == GREEN)
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ SetOutputBit(Config[((SensorNumber << 1)+1)] +1); //next output
+ ClearOutputBit(Config[((SensorNumber << 1)+1)] +2); //next output
+ }
+ else
+ {
+ if (SensorResult == BLUE)
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ ClearOutputBit(Config[((SensorNumber << 1)+1)] +1); //next output
+ SetOutputBit(Config[((SensorNumber << 1)+1)] +2); //next output
+ }
+ else
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ ClearOutputBit(Config[((SensorNumber << 1)+1)] +1); //next output
+ ClearOutputBit(Config[((SensorNumber << 1)+1)] +2); //next output
+ }
+
+ }
+ }
+ }
+ break;
+
+ default:
+ {
+ ClearOutputBit(Config[((SensorNumber << 1)+1)]); //base output
+ }
+ break;
+ } //end switch
+ } //end if
+ } //end for
+
+
-//#define USEWHITE //normalised % for each
-#ifdef USEWHITE
- Temp = (Red+Blue+Green)*10000;
- Temp = Temp / White;
- TempR = (Red* 10000) / Temp ;
- TempG = (Green* 10000) / Temp ;
- TempB = (Blue* 10000) / Temp ;
-
- RedProp = (TempR*100) / White;
- GreenProp = (TempG*100) / White;
- BlueProp = (TempB*100) / White;
-#else
- // Vn2 without using white....
- Temp = (Red+Blue+Green);
- RedProp = (Red* 100) / Temp ;
- GreenProp = (Green* 100) / Temp ;
- BlueProp = (Blue* 100) / Temp ;
-
- //RedProp = (TempR*100) / White;
- //GreenProp = (TempG*100) / White;
- //BlueProp = (TempB*100) / White;
-#endif
-
-
-
- //make 12 bit only (display)
- Red >>=4;
- Green >>=4;
- Blue >>=4;
- White >>=4;
-
-
-
- lcd.locate(0, 0);
- lcd.printf("R%02i G%02i B%02i W%04i",RedProp,GreenProp,BlueProp,White);
- lcd.locate(0, 1);
- lcd.printf("R%02i G%02i B%02i H%02i ",RedThreshold, GreenThreshold, BlueThreshold, Hysteresis);
-
//guess the colour
- if(White > 15) //looking at intensity somthing is on!
+ if(White > WHITE_THRESHOLD) //looking at intensity somthing is on!
{
/*
if((GreenProp <= 30) && (RedProp >=50))
@@ -408,6 +628,72 @@
}
}
*/
+
+ //------------------------CHECK red-----------------------------------------
+ if((RedProp - GreenProp > 30) && (RedProp - BlueProp > 30))
+ {
+ RedLed = 1;
+ GreenLed = 0;
+ BlueLed = 0;
+ YellowLed = 0;
+ }
+ else
+ {
+
+ if((GreenProp - RedProp > 30) && (GreenProp - BlueProp > 30))
+ {
+ RedLed = 0;
+ GreenLed = 1;
+ BlueLed = 0;
+ YellowLed = 0;
+ }
+ else
+ {
+ if((BlueProp - RedProp > 30) && (BlueProp - GreenProp > 30))
+ {
+ RedLed = 0;
+ GreenLed = 0;
+ BlueLed = 1;
+ YellowLed = 0;
+ }
+ else
+ {
+ if( (GreenProp <= (GreenThreshold-Hysteresis)) && (RedProp >=(RedThreshold+Hysteresis)) )
+ { //pretty sure it's Yellow
+ //YellowLed = 1;
+ //GreenLed = 0;
+
+ RedLed = 0;
+ GreenLed = 0;
+ BlueLed = 0;
+ YellowLed = 1;;
+ }
+ else
+ {
+ RedLed = 0;
+ GreenLed = 0;
+ BlueLed = 0;
+ YellowLed = 0;
+ }
+ }
+ }
+ }
+
+ }
+ else
+ {
+ RedLed = 0;
+ GreenLed = 0;
+ BlueLed = 0;
+ YellowLed = 0;
+ }
+
+
+
+
+ /*
+ //-------------------------------------------------------------------------------------------------------------------
+
if( (GreenProp <= (GreenThreshold-Hysteresis)) && (RedProp >=(RedThreshold+Hysteresis)) )
{ //pretty sure it's Yellow
YellowLed = 1;
@@ -433,8 +719,11 @@
GreenLed = 0;
YellowLed = 0;
}
- }
-}
+
+*/
+//----------------------------------------------------------------------------------------------------------------
+ } //while(1)
+}//main