velxio/frontend/src/__tests__/board-pin-mapping.test.ts

70 lines
2.8 KiB
TypeScript

/**
* boardPinToNumber — the bridge between a board element's PAD NAMES and the
* GPIO numbers the simulators speak.
*
* A board whose kind has no branch here falls through to `return null`, and a
* null pin means every wire to that header silently connects to nothing: the
* part sits on the canvas, the sketch reads a dead pin, and nothing reports an
* error. That is what happened to the M5 Cardputer, whose EXT header and Grove
* Port A were unreachable even though the element drew them.
*/
import { describe, expect, it } from 'vitest';
import { boardPinToNumber } from '../utils/boardPinMapping';
describe('boardPinToNumber — M5 Cardputer ADV header', () => {
// The pad names CardputerElement.ts renders on its wireable bottom row.
const GPIO_NAMES = ['3', '4', '5', '6', '8', '9', '13', '14', '15', '39', '40', '2', '1'];
it('maps every GPIO pad to its own number', () => {
for (const name of GPIO_NAMES) {
expect(boardPinToNumber('cardputer-adv', name)).toBe(Number(name));
}
});
it('leaves no pad unmapped', () => {
const unmapped = GPIO_NAMES.filter((n) => boardPinToNumber('cardputer-adv', n) === null);
expect(unmapped).toEqual([]);
});
it('maps the power pads to -1, not to a GPIO', () => {
expect(boardPinToNumber('cardputer-adv', '5V')).toBe(-1);
expect(boardPinToNumber('cardputer-adv', 'GND')).toBe(-1);
});
it('accepts G40, which the classic ESP32 range would have rejected', () => {
// The shared esp32 branch clamps at 39; the S3 has 48 GPIOs and this board
// exposes 40 on its header.
expect(boardPinToNumber('cardputer-adv', '40')).toBe(40);
});
it('rejects a pad that is not a pin', () => {
expect(boardPinToNumber('cardputer-adv', 'NOPE')).toBeNull();
expect(boardPinToNumber('cardputer-adv', '99')).toBeNull();
});
});
describe('m5stack-core header pins', () => {
// The Core's pads sat unmapped for months: the kind does not start with
// 'esp32', so it fell through every branch and each wire from the M-Bus
// header resolved to null — a part wired to the header never saw a signal,
// silently. These pin the dedicated branch.
const CORE_GPIO = ['21', '22', '23', '19', '18', '3', '1', '16', '17', '2', '5', '25', '26', '35', '36', '12', '13', '15', '0', '34'];
it('maps every M-Bus GPIO pad to its number', () => {
for (const name of CORE_GPIO) {
expect(boardPinToNumber('m5stack-core', name)).toBe(Number(name));
}
});
it('maps the power pads (including BAT) to -1', () => {
for (const name of ['5V', 'GND', '3V3', 'BAT']) {
expect(boardPinToNumber('m5stack-core', name)).toBe(-1);
}
});
it('rejects out-of-range and non-pins', () => {
expect(boardPinToNumber('m5stack-core', '40')).toBeNull(); // classic tops out at 39
expect(boardPinToNumber('m5stack-core', 'NOPE')).toBeNull();
});
});