Commit e0757be1 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

arduino-nano/i2c: add missing return, remove unused variable

parent 09a4248c

src/arch/arduino-nano/driver/i2c.cc

+1 −2
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ static signed char i2c_start_write(unsigned char addr) 
static signed char i2c_stop()

{

	TWCR = _BV(TWINT) | _BV(TWSTO) | _BV(TWEN);

	return 0;

}



/*
@@ -128,8 +129,6 @@ signed char I2C::xmit(unsigned char address, 
		unsigned char tx_len, unsigned char *tx_buf,

		unsigned char rx_len, unsigned char *rx_buf)

{

	unsigned char i;



	if (tx_len) {

		if (i2c_start_write(address) < 0) {

			return -1;