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camera-vc0706
Advanced tools
#Camera Driver for the camera-vc0706 Tessel camera module. The hardware documentation for this module can be found here.
If you run into any issues you can ask for support on the Camera Module Forums.
###Installation
npm install camera-vc0706
###Example
/*********************************************
This camera example takes a picture. If a
directory is specified with the --upload-dir
flag, the picture is saved to that directory.
*********************************************/
var tessel = require('tessel');
var camera = require('camera-vc0706').use(tessel.port['A']);
var notificationLED = tessel.led[3]; // Set up an LED to notify when we're taking a picture
// Wait for the camera module to say it's ready
camera.on('ready', function() {
notificationLED.high();
// Take the picture
camera.takePicture(function(err, image) {
if (err) {
console.log('error taking image', err);
} else {
notificationLED.low();
// Name the image
var name = 'picture-' + Math.floor(Date.now()*1000) + '.jpg';
// Save the image
console.log('Picture saving as', name, '...');
process.sendfile(name, image);
console.log('done.');
// Turn the camera off to end the script
camera.disable();
}
});
});
camera.on('error', function(err) {
console.error(err);
});
###Properties # camera.resolutions() An object which maps resolution labels to their dimensions. The string labels can be used to configure the camera's resolution.
###Methods # camera.disable() Disable UART connection to camera. Closes connection & ends process.
# camera.setCompression( compressionFactor, callback(err) ) Determine the amount of compression on each image. Should be a number between 0 and 1. Default is 0.2. Note that the compression is saved in Flash and will be persistent between power cycles.
# camera.setResolution( resolution, callback(err) ) Set the size of images. Options are 'vga' (640x480), 'qvga'(320x240) or 'qqvga' (160x120 ). Default is 'vga'. Note that the resolution is saved in Flash and will be persistent between power cycles.
# camera.takePicture( callback(err, picture) ) Take a still picture. Returns raw buffer data which you can pipe into a raw http stream or save in memory.
###Events # camera.on( 'compression', callback(xyz) ) Emitted when compression is set.
# camera.on( 'error', callback(err) ) Emitted upon error.
# camera.on( 'picture', callback(picture) ) Emitted when a photo is taken. Returns buffer of image.
# camera.on( 'ready', callback() ) Emitted upon first successful communication between the Tessel and the module.
# camera.on( 'resolution', callback(resolution) ) Emitted when resolution is set.
###Configuration
In addition to the camera.setCompression()
and camera.setResolution()
methods, the camera can be configured at creation with an optional configuration object paremeter in the .use()
method.
var tessel = require('tessel');
var camera = require('camera-vc0706').use(
tessel.port['A'], {
compression: 0.2,
resolution: 'vga'
}
);
###Further Examples
###License MIT or Apache 2.0, at your option
FAQs
Library to run the camera-vc0706 Tessel module
The npm package camera-vc0706 receives a total of 1 weekly downloads. As such, camera-vc0706 popularity was classified as not popular.
We found that camera-vc0706 demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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