use twowire

Author: thijstriemstra

MultiPlexer_TCA9548A/MultiPlexer_TCA9548A.cpp

@@ -4,16 +4,22 @@
 
 #include "MultiPlexer_TCA9548A.h"
 
+TwoWire twire = TwoWire(1);
+
 MultiPlexer_TCA9548A::MultiPlexer_TCA9548A(int i2c_addr) {
   _mux = new TCA9548A(i2c_addr);
 }
 
-void MultiPlexer_TCA9548A::begin() {
-  _mux->begin(Wire);             // TwoWire instance can be passed here as 3rd argument
-  _mux->closeAll();              // Set a base state which we know (also the default state on power on)
-  changeBus(0);          // tell the TCA9548A we want to use I2C bus number zero (to talk to the OLED)
+void MultiPlexer_TCA9548A::begin(int sda_pin, int scl_pin) {
+  _mux->begin(twire, sda_pin, scl_pin);
+
+  // set a base state which we know (also the default state on power on)
+  _mux->closeAll();
+
+  // tell the TCA9548A we want to use I2C bus number zero (to talk to the OLED)
+  openChannel(0);
 }
 
-void MultiPlexer_TCA9548A::changeBus(uint8_t bus_nr) {
+void MultiPlexer_TCA9548A::openChannel(uint8_t bus_nr) {
   _mux->openChannel(bus_nr);
 }

MultiPlexer_TCA9548A/MultiPlexer_TCA9548A.h

@@ -12,8 +12,8 @@ class MultiPlexer_TCA9548A
 {
   public:
     MultiPlexer_TCA9548A(int i2c_addr = 0x70);
-    void begin();
-    void changeBus(uint8_t bus_nr);
+    void begin(int sda_pin, int scl_pin);
+    void openChannel(uint8_t bus_nr);
 
   private:
     TCA9548A* _mux;