fix(wire): fixes C2 no slave

Author: SuGlider

libraries/Wire/src/Wire.cpp

@@ -596,14 +596,14 @@ void TwoWire::flush() {
   //i2cFlush(num); // cleanup
 }
 
-void TwoWire::onReceive(user_onReceive_t function) {
+void TwoWire::onReceive(std::function<void(int) function) {
 #if SOC_I2C_SUPPORT_SLAVE
   user_onReceive = function;
 #endif
 }
 
 // sets function called on slave read
-void TwoWire::onRequest(user_onRequest_t function) {
+void TwoWire::onRequest(std::function<void() function) {
 #if SOC_I2C_SUPPORT_SLAVE
   user_onRequest = function;
 #endif

libraries/Wire/src/Wire.h

@@ -74,10 +74,8 @@ class TwoWire : public HardwareI2C {
 #if SOC_I2C_SUPPORT_SLAVE
   bool is_slave;
   // functional pointers for user callbacks
-  using user_onRequest_t = std::function<void()>;
-  using user_onReceive_t = std::function<void(int)>;
-  user_onRequest_t user_onRequest;
-  user_onReceive_t user_onReceive;
+  std::function<void()> user_onRequest;
+  std::function<void(int) user_onReceive;
   static void onRequestService(uint8_t, void *);
   static void onReceiveService(uint8_t, uint8_t *, size_t, bool, void *);
 #endif /* SOC_I2C_SUPPORT_SLAVE */
@@ -115,8 +113,8 @@ class TwoWire : public HardwareI2C {
   size_t requestFrom(uint8_t address, size_t len, bool stopBit) override;
   size_t requestFrom(uint8_t address, size_t len) override;
 
-  void onReceive(user_onReceive_t) override;
-  void onRequest(user_onRequest_t) override;
+  void onReceive(std::function<void(int)) override;
+  void onRequest(std::function<void()>) override;
 
   //call setPins() first, so that begin() can be called without arguments from libraries
   bool setPins(int sda, int scl);