Fix _tx_active handling for Wire Slave

GrumpyOldPizza · Sep 18, 2018 · 7548c23 · 7548c23
1 parent ed5e31f
commit 7548c23
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libraries/Wire/src/Wire.cpp b/libraries/Wire/src/Wire.cpp
@@ -404,10 +404,13 @@ void TwoWire::EventCallback(uint32_t events)
 
 	if (events & I2C_EVENT_TRANSMIT_REQUEST) {
 	    _tx_write = 0;
+	    _tx_active = true;
 
 	    if(_requestCallback) {
 		(*_requestCallback)();
 	    }
+
+	    _tx_active = false;
 
 	    stm32l4_i2c_service(_i2c, &_tx_data[0], _tx_write);
 	}