Crash in Arduino Wire.begin

Author: pschatzmann

Diff for: src/DriverPins.h

@@ -182,7 +182,7 @@ struct PinsI2C : public I2CConfig {
     this->sda = sda;
     this->port = 0;
     this->frequency = frequency;
-    this->p_wire = &wire;
+    this->p_wire = wire;
     this->set_active = active;
     this->address = address;
   }

Diff for: src/Platforms/API_I2C_Arduino.cpp

@@ -9,8 +9,11 @@
 
 
 error_t i2c_bus_create(struct I2CConfig *config) {
+  assert(config!=nullptr);
   I2CConfig &pins = *config;
   TwoWire *p_wire = (TwoWire*) pins.p_wire;
+  assert(p_wire != nullptr);
+
   // if no pins are defined, just call begin
   if (pins.scl == -1 || pins.sda == -1) {
     AD_LOGI("setting up I2C w/o pins");