Just found an updated drawing for the black that shows those as being
allocated to the onboard eMMC1, which will require reset for these to be
used as GPIO...
On Friday, July 18, 2014 10:21:42 AM UTC-7, Kyle Price wrote:
>
> Hi,
>
> I have worked with various different development platforms before, though
> mostly in C/C++, so a lot of the Bonescript/Node.js stuff is very new to
> me, and I am having some trouble with some very simple tasks...
>
> Recently I was trying to take in push button switches and in an effort to
> build a better understanding, after looking at the demos, I decided to play
> around on my own. the following code works fine:
>
> var b = require('bonescript');
>
>
> var inputPin = "P8_19";
> var ledPin = ["USR3", "USR2", "USR1", "USR0"];
> var mydelay = 100;
>
>
> console.log('Please press the button to flash the LEDs');
> b.pinMode(inputPin, b.INPUT);
> b.pinMode(ledPin[0], b.OUTPUT);
> b.pinMode(ledPin[1], b.OUTPUT);
> b.pinMode(ledPin[2], b.OUTPUT);
> b.pinMode(ledPin[3], b.OUTPUT);
> setInterval(switchRead, 100);
>
>
> function switchRead(x) {
> b.digitalRead(inputPin, setLED);
> }
>
>
> function setLED(x) {
> b.digitalWrite(ledPin[0], x.value);
> b.digitalWrite(ledPin[1], x.value);
> b.digitalWrite(ledPin[2], x.value);
> b.digitalWrite(ledPin[3], x.value);
> }
>
> But the following code (change the inputPin to P8_4) will not work...
>
> var b = require('bonescript');
>
>
> var inputPin = "P8_4";
> var ledPin = ["USR3", "USR2", "USR1", "USR0"];
> var mydelay = 100;
>
>
> console.log('Please press the button to flash the LEDs');
> b.pinMode(inputPin, b.INPUT);
> b.pinMode(ledPin[0], b.OUTPUT);
> b.pinMode(ledPin[1], b.OUTPUT);
> b.pinMode(ledPin[2], b.OUTPUT);
> b.pinMode(ledPin[3], b.OUTPUT);
> setInterval(switchRead, 100);
>
>
> function switchRead(x) {
> b.digitalRead(inputPin, setLED);
> }
>
>
> function setLED(x) {
> b.digitalWrite(ledPin[0], x.value);
> b.digitalWrite(ledPin[1], x.value);
> b.digitalWrite(ledPin[2], x.value);
> b.digitalWrite(ledPin[3], x.value);
> }
>
> and results in the following message:
>
> /usr/local/lib/node_modules/bonescript/my.js:57
> if(slot[0])
> TypeError: Cannot read property '0' of null
> at Object.exports.load_dt (/usr/local/lib/node_modules/bonescript/my.
> js:57:20)
> at Object.exports.create_dt (/usr/local/lib/node_modules/bonescript/
> my.js:123:33)
> at Object.exports.setPinMode (/usr/local/lib/node_modules/bonescript/
> hw_capemgr.js:83:12)
> at Object.f.pinMode (/usr/local/lib/node_modules/bonescript/index.js:
> 160:15)
> at Object.<anonymous> (/var/lib/cloud9/demo/input.js:8:3)
> at Module._compile (module.js:456:26)
> at Object.Module._extensions..js (module.js:474:10)
> at Module.load (module.js:356:32)
> at Function.Module._load (module.js:312:12)
> at Module.runMain [as _onTimeout] (module.js:49
> ...
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