code

1 files changed, 94 insertions, 0 deletions

diff --git a/color_sensor/short/short.ino b/color_sensor/short/short.ino
new file mode 100644
index 0000000..2f80412
--- /dev/null
+++ b/color_sensor/short/short.ino
@@ -0,0 +1,94 @@
+
+#include <Wire.h>                  //https://www.arduino.cc/reference/en/language/functions/communication/wire/
+#include "Adafruit_TCS34725.h"    //https://github.com/adafruit/Adafruit_TCS34725
+
+#define PCAADDR 0x70    //i2c address of the i2c multiplexer
+
+
+Adafruit_TCS34725 tcs = Adafruit_TCS34725();/* Initialise with default values (int time = 2.4ms, gain = 1x) */
+
+int colsensdata[6] = {99, 99, 99, 99, 99, 99};
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("\nI2C Scanner");
+
+}
+
+void pcaselect(uint8_t i) {
+  if (i > 7) return;
+ 
+  Wire.beginTransmission(PCAADDR);
+  Wire.write(1 << i);
+  Wire.endTransmission();  
+}
+
+template <typename T_ty> struct TypeInfo { static const char * name; };
+template <typename T_ty> const char * TypeInfo<T_ty>::name = "unknown";
+#define TYPE_NAME(var) TypeInfo< typeof(var) >::name
+#define MAKE_TYPE_INFO(type)  template <> const char * TypeInfo<type>::name = #type;
+MAKE_TYPE_INFO( int )
+MAKE_TYPE_INFO( float )
+MAKE_TYPE_INFO( short )
+
+void loop() {
+  Wire.begin();
+  for (uint8_t t=0; t<6; t++) {
+    pcaselect(t);
+    Serial.print("PCA Port #"); Serial.println(t);
+    for (uint8_t addr = 0; addr<=127; addr++) {
+      if (addr == PCAADDR) continue;
+      Wire.beginTransmission(addr);
+      if (!Wire.endTransmission()) {
+        Serial.print("Found I2C 0x");  Serial.println(addr,HEX);
+        if (tcs.begin()) {
+          Serial.println("Found sensor");
+          Serial.println("collecting data");
+          uint16_t r, g, b, c, colorTemp, lux;
+          tcs.getRawData(&r, &g, &b, &c);
+          colorTemp = tcs.calculateColorTemperature_dn40(r, g, b, c);
+          lux = tcs.calculateLux(r, g, b);
+          Serial.print("Color Temp: "); Serial.print(colorTemp, DEC); Serial.print(" K - ");
+          Serial.print("RGB: "); Serial.print(r, DEC); Serial.print(", "); Serial.print(g, DEC); Serial.print(", "); Serial.print(b, DEC); Serial.println(" ");
+          if ((colorTemp) == 5201){
+            colsensdata[t] = 0;
+          }
+          else if ((g)>=(2*(r)) && (g)>=12){
+            colsensdata[t] = 1; 
+          }
+          else if ((colorTemp)>= 6750){
+            colsensdata[t] = 2; 
+          }
+          else if ((colorTemp) < 6750){
+            colsensdata[t] = 3;
+          }
+          else{
+            Serial.println(colorTemp);
+            Serial.println(TYPE_NAME((colorTemp, DEC)));
+            colsensdata[t] = 98;
+          }
+        } else {
+          Serial.println("No TCS34725 found ... check your connections");
+          colsensdata[t] = 97;
+        }
+      }
+    }
+  }
+  Serial.print("sensor data = ");
+  for(int i = 0; i < 6; i++){
+    Serial.print(colsensdata[i]);
+    Serial.print(", ");
+  }
+  /**
+0 = air
+1 = green
+2 = black
+3 = white
+90 = error
+   
+   * 
+   */
+  Serial.println("");
+  Serial.println("DONE");
+  delay(2500);
+}
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