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issue adafruit#6538 loose bounds checking on WAIT PIO instruction

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This commit is contained in:
Nick Lopez 2022-07-02 14:30:36 -07:00
parent c1b00442a1
commit dce9396fe3
1 changed files with 1 additions and 1 deletions
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2
ports/raspberrypi/common-hal/rp2pio/StateMachine.c
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@ -436,7 +436,7 @@ void common_hal_rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self,
if (first_in_pin == NULL) {
mp_raise_ValueError_varg(translate("Missing first_in_pin. Instruction %d waits based on pin"), i);
}
if (wait_index > in_pin_count) {
if (wait_index >= in_pin_count) {
mp_raise_ValueError_varg(translate("Instruction %d waits on input outside of count"), i);
}
}