Fix _tx_active handling for Wire Slave

GrumpyOldPizza · GrumpyOldPizza · commit 7548c239e625 · 2018-09-17T21:39:12.000-06:00
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);
 	}

Original file line number	Diff line number	Diff line change
`@@ -404,10 +404,13 @@ void TwoWire::EventCallback(uint32_t events)`
`404`	`404`
`405`	`405`	`if (events & I2C_EVENT_TRANSMIT_REQUEST) {`
`406`	`406`	`_tx_write = 0;`
	`407`	`+ _tx_active = true;`
`407`	`408`
`408`	`409`	`if(_requestCallback) {`
`409`	`410`	`(*_requestCallback)();`
`410`	`411`	`}`
	`412`	`+`
	`413`	`+ _tx_active = false;`
`411`	`414`
`412`	`415`	`stm32l4_i2c_service(_i2c, &_tx_data[0], _tx_write);`
`413`	`416`	`}`