Add GPL3 header to avr i2c files (#6332)

[qmk_firmware.git] / drivers / avr / i2c_slave.c

diff --git a/drivers/avr/i2c_slave.c b/drivers/avr/i2c_slave.c
index 18a29a45a5a440433c6a7b8376c2ae4777734545..4958a0f8e5a7e77a781ed1f86d92a6a262f4bd45 100755 (executable)
--- a/drivers/avr/i2c_slave.c
+++ b/drivers/avr/i2c_slave.c
@@ -1,3 +1,18 @@
+/*  Copyright (C) 2019 Elia Ritterbusch
+ +
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 /* Library made by: g4lvanix
  * Github repository: https://github.com/g4lvanix/I2C-slave-lib
  */
@@ -16,7 +31,7 @@ static volatile bool slave_has_register_set = false;
 
 void i2c_slave_init(uint8_t address){
     // load address into TWI address register
-    TWAR = (address << 1);
+    TWAR = address;
     // set the TWCR to enable address matching and enable TWI, clear TWINT, enable TWI interrupt
     TWCR = (1 << TWIE) | (1 << TWEA) | (1 << TWINT) | (1 << TWEN);
 }
@@ -68,4 +83,4 @@ ISR(TWI_vect){
 
     // Reset i2c state machine to be ready for next interrupt
     TWCR |= (1 << TWIE) | (1 << TWINT) | (ack << TWEA) | (1 << TWEN);
-}
\ No newline at end of file
+}