diff options
| -rw-r--r-- | ports/rp2/machine_i2c.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/rp2/machine_i2c.c b/ports/rp2/machine_i2c.c index e97a852b2..94212fb48 100644 --- a/ports/rp2/machine_i2c.c +++ b/ports/rp2/machine_i2c.c @@ -100,7 +100,7 @@ mp_obj_t machine_i2c_make_new(const mp_obj_type_t *type, size_t n_args, size_t n #ifdef PICO_DEFAULT_I2C { MP_QSTR_id, MP_ARG_INT, {.u_int = PICO_DEFAULT_I2C} }, #else - { MP_QSTR_id, MP_ARG_INT, {.u_int = -1} }, + { MP_QSTR_id, MP_ARG_INT | MP_ARG_REQUIRED }, #endif { MP_QSTR_freq, MP_ARG_INT, {.u_int = DEFAULT_I2C_FREQ} }, { MP_QSTR_scl, MICROPY_I2C_PINS_ARG_OPTS | MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE} }, |