1 files changed, 87 insertions, 0 deletions
diff --git a/sketch_apr16b.ino b/sketch_apr16b.ino
new file mode 100644
index 0000000..27ac915
--- /dev/null
+++ b/sketch_apr16b.ino
@@ -0,0 +1,87 @@
+/**
+ * TCA9548 I2CScanner.ino -- I2C bus scanner for Arduino
+ *
+ * Based on https://playground.arduino.cc/Main/I2cScanner/
+ *
+ */
+
+#include "Wire.h"
+#include "Adafruit_TCS34725.h"
+#define PCAADDR 0x70
+#include <SparkFunSX1509.h>
+
+Adafruit_TCS34725 tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_614MS, TCS34725_GAIN_1X);
+
+const byte SX1509_ADDRESS = 0x3E; // SX1509 I2C address
+SX1509 io;                        // Create an SX1509 object to be used throughout
+const byte SX1509_IR_SENS1 = 15; // ir sens 1 to SX1509's pin 15
+
+int ir1 = 1;
+int port2 = 1;
+
+void pcaselect(uint8_t i) {
+  if (i > 7) return;
+ 
+  Wire.beginTransmission(PCAADDR);
+  Wire.write(1 << i);
+  Wire.endTransmission();  
+}
+
+
+// standard Arduino setup()
+void setup(){
+    delay(1000);
+    pinMode(2, INPUT);
+    Wire.begin();
+    
+    Serial.begin(115200);
+    Serial.println("\nPCAScanner ready!");
+
+
+
+    for (uint8_t t=0; t<8; 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);
+        }
+      }
+    }
+    Serial.println("\ndone");
+    io.pinMode(SX1509_IR_SENS1, INPUT);
+}
+
+void loop(){
+  delay(1000);
+
+  Wire.begin();
+  Serial.begin(115200);
+  Serial.println("\nPCAScanner ready!");
+
+  //port 2
+  port2 = digitalRead(2);
+  Serial.println(port2);
+  
+  //port expander
+  pcaselect(0);
+  Serial.println("PCA Port #0   port multiplier");
+  ir1 = io.digitalRead(SX1509_IR_SENS1);
+  Serial.println(ir1);
+
+  //collorsensor 1
+  pcaselect(1);
+  Serial.println("PCA Port #1   collor sensor 1");
+  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("RGB: "); Serial.print(r, DEC); Serial.print(", "); Serial.print(g, DEC); Serial.print(", "); Serial.print(b, DEC); Serial.println(" ");
+    
+
+  Serial.println("\ndone");
+}