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| author | Daniel Friesel <derf@finalrewind.org> | 2021-02-14 10:53:43 +0100 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2021-02-14 10:53:43 +0100 |
| commit | e0757be126d70c7e34be6b1b81894cbc270e138c (patch) | |
| tree | 1b232807316dfd4c06139ecbd70e86d751f07d1a | |
| parent | 09a4248c50708c1e54d32b3a260112d29ea268c1 (diff) | |
arduino-nano/i2c: add missing return, remove unused variable
| -rw-r--r-- | src/arch/arduino-nano/driver/i2c.cc | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/arch/arduino-nano/driver/i2c.cc b/src/arch/arduino-nano/driver/i2c.cc index dbfb33b..cbf462b 100644 --- a/src/arch/arduino-nano/driver/i2c.cc +++ b/src/arch/arduino-nano/driver/i2c.cc @@ -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; |