Add files via upload

1 files changed, 50 insertions, 0 deletions

diff --git a/collorsens/collorsens.ino b/collorsens/collorsens.ino
new file mode 100644
index 0000000..e961fd5
--- /dev/null
+++ b/collorsens/collorsens.ino
@@ -0,0 +1,50 @@
+/**
+ * TCA9548 I2CScanner.ino -- I2C bus scanner for Arduino
+ *
+ * Based on https://playground.arduino.cc/Main/I2cScanner/
+ *
+ */
+
+#include "Wire.h"
+
+#define TCAADDR 0x70
+
+void tcaselect(uint8_t i) {
+  if (i > 7) return;
+ 
+  Wire.beginTransmission(TCAADDR);
+  Wire.write(1 << i);
+  Wire.endTransmission();  
+}
+
+
+// standard Arduino setup()
+void setup()
+{
+    while (!Serial);
+    delay(1000);
+
+    Wire.begin();
+    
+    Serial.begin(115200);
+    Serial.println("\nTCAScanner ready!");
+    
+    for (uint8_t t=0; t<8; t++) {
+      tcaselect(t);
+      Serial.print("TCA Port #"); Serial.println(t);
+
+      for (uint8_t addr = 0; addr<=127; addr++) {
+        if (addr == TCAADDR) continue;
+
+        Wire.beginTransmission(addr);
+        if (!Wire.endTransmission()) {
+          Serial.print("Found I2C 0x");  Serial.println(addr,HEX);
+        }
+      }
+    }
+    Serial.println("\ndone");
+}
+
+void loop() 
+{
+}
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