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// Copyright (c) 2016, Intel Corporation.
// Test Arduino101Pins API
var pins = require('arduino101_pins');
var gpio = require('gpio');
var pwm = require('pwm');
var aio = require('aio');
var total = 0;
var passed = 0;
function assert(actual, description) {
total += 1;
var label = "\033[1m\033[31mFAIL\033[0m";
if (actual === true) {
passed += 1;
label = "\033[1m\033[32mPASS\033[0m";
}
console.log(label + " - " + description);
}
function expectThrow(description, func) {
var threw = false;
try {
func();
}
catch (err) {
threw = true;
}
assert(threw, description);
}
// Check pins defined and typeof Number
function checkDefined(name) {
assert(name in pins && typeof pins[name] == "number",
"Arduino101Pins: " + name + " defined");
}
// GPIO Pins
var GPIOPins = ["IO2", "IO3", "IO4", "IO5",
"IO6", "IO7", "IO8", "IO9",
"IO10", "IO11", "IO12", "IO13"];
for(var i = 0; i < GPIOPins.length; i++) {
var pinName = GPIOPins[i];
checkDefined(pinName);
// IO6 and IO9 are defined but unusable as GPIOs currently
if (pinName == "IO6" || pinName == "IO9") continue;
var pin = gpio.open({ pin: pins[pinName] });
var pinValue = pin.read();
assert(typeof pinValue == "boolean",
"Arduino101Pins: " + pinName + " input");
pin.write(!pinValue);
if (pinName == "IO3" || pinName == "IO5") {
// IO3 and IO5 can be used as GPIO inputs but not outputs currently
assert(pin.read() == pinValue,
"Arduino101Pins: " + pinName + " output");
} else {
assert(pin.read() != pinValue,
"Arduino101Pins: " + pinName + " output");
}
}
// LEDs
var LEDs = [["LED0", false],
["LED1", true ],
["LED2", true ]];
for(var i = 0; i < LEDs.length; i++) {
var pinName = LEDs[i][0];
checkDefined(pinName);
// activeLow
var lowFlag = LEDs[i][1];
var pin = gpio.open({ pin: pins[pinName], activeLow: lowFlag });
var pinValue = pin.read();
var lowStr = lowFlag ? "high" : "low";
assert(pinValue,
"Arduino101Pins: " + pinName + " active " + lowStr);
pin.write(!pinValue)
assert(pin.read() != pinValue,
"Arduino101Pins: " + pinName + " output");
if (pinName == "LED0") {
pinValue = pin.read();
var io13 = gpio.open({ pin: pins.IO13, activeLow: lowFlag });
io13.write(!pinValue);
assert(pin.read() != pinValue,
"Arduino101Pins: " + pinName + " displays current state of IO13");
}
}
// PWM Pins
var PWMPins = ["PWM0", "PWM1", "PWM2", "PWM3"];
for(var i = 0; i < PWMPins.length; i++) {
var pinName = PWMPins[i];
checkDefined(pinName);
var pin = pwm.open({channel: pins[pinName]});
assert(pin != null && typeof pin == "object",
"Arduino101Pins: " + pinName + " open");
}
// AIO Pins
var AIOPins = ["A0", "A1", "A2", "A3", "A4", "A5"];
for(var i = 0; i < AIOPins.length; i++) {
var pinName = AIOPins[i];
checkDefined(pinName);
var pin = aio.open({ device: 0, pin: pins[pinName] });
var pinValue = pin.read();
assert(pinValue >= 0 && pinValue <= 4095,
"Arduino101Pins: " + pinName + " digital value");
}
console.log("TOTAL: " + passed + " of " + total + " passed");
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