diff options
| -rw-r--r-- | ports/nrf/modules/machine/adc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/nrf/modules/machine/adc.c b/ports/nrf/modules/machine/adc.c index bbb522154..d863aebb3 100644 --- a/ports/nrf/modules/machine/adc.c +++ b/ports/nrf/modules/machine/adc.c @@ -97,7 +97,7 @@ STATIC int adc_find(mp_obj_t id) { int adc_idx = adc_id; if (adc_idx >= 0 && adc_idx <= MP_ARRAY_SIZE(machine_adc_obj) - && machine_adc_obj[adc_idx].id != -1) { + && machine_adc_obj[adc_idx].id != (uint8_t)-1) { return adc_idx; } nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, |