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fix(arduino_nano_nora): Prevent array index out of bounds to happen (#12423)

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Co-authored-by: ondrap <pilat.ondrej@seznam.cz>
This commit is contained in:
opilat
2026-03-04 14:39:03 +01:00
committed by GitHub
parent 88f54324b5
commit d23c972675
1 changed files with 4 additions and 2 deletions
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6
variants/arduino_nano_nora/io_pin_remap.cpp
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@@ -47,8 +47,10 @@ static const int8_t TO_GPIO_NUMBER[] = {
#if defined(BOARD_HAS_PIN_REMAP) && !defined(BOARD_USES_HW_GPIO_NUMBERS)
static const unsigned REMAP_TABLE_ENTRIES = sizeof(TO_GPIO_NUMBER) / sizeof(TO_GPIO_NUMBER[0]);
int8_t digitalPinToGPIONumber(int8_t digitalPin) {
if ((digitalPin < 0) || (digitalPin >= NUM_DIGITAL_PINS)) {
if ((digitalPin < 0) || (digitalPin >= REMAP_TABLE_ENTRIES)) {
return -1;
}
return TO_GPIO_NUMBER[digitalPin];
@@ -60,7 +62,7 @@ int8_t gpioNumberToDigitalPin(int8_t gpioNumber) {
}
// slow linear table lookup
for (int8_t digitalPin = 0; digitalPin < NUM_DIGITAL_PINS; ++digitalPin) {
for (int8_t digitalPin = 0; digitalPin < REMAP_TABLE_ENTRIES; ++digitalPin) {
if (TO_GPIO_NUMBER[digitalPin] == gpioNumber) {
return digitalPin;
}