diff options
| -rw-r--r-- | extmod/machine_i2c.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/extmod/machine_i2c.c b/extmod/machine_i2c.c index d76e5eedd1..e201b23990 100644 --- a/extmod/machine_i2c.c +++ b/extmod/machine_i2c.c @@ -272,7 +272,7 @@ STATIC mp_obj_t machine_i2c_scan(mp_obj_t self_in) { // 7-bit addresses 0b0000xxx and 0b1111xxx are reserved for (int addr = 0x08; addr < 0x78; ++addr) { mp_hal_i2c_start(self); - int ack = mp_hal_i2c_write_byte(self, (addr << 1) | 1); + int ack = mp_hal_i2c_write_byte(self, (addr << 1)); if (ack) { mp_obj_list_append(list, MP_OBJ_NEW_SMALL_INT(addr)); } |