From: Brendan Le Foll Date: Wed, 5 Nov 2014 11:13:29 +0000 (+0000) Subject: rgblcd.js: add i2c example similar to python X-Git-Tag: v0.5.2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2896b05dcd4f6437043a78f131745e3629fe4b87;p=contrib%2Fmraa.git rgblcd.js: add i2c example similar to python Signed-off-by: Brendan Le Foll --- diff --git a/examples/javascript/rgblcd.js b/examples/javascript/rgblcd.js new file mode 100644 index 0000000..7bd3b9b --- /dev/null +++ b/examples/javascript/rgblcd.js @@ -0,0 +1,37 @@ +/* + * Author: Brendan Le Foll + * Copyright (c) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +var m = require('mraa'); //require mraa + +// helper function to go from hex val to dec +function char(x) { return parseInt(x, 16); } + +x = new m.I2c(0) +x.address(0x62) +x.writeReg(0, 0) +x.writeReg(1, 0) + +x.writeReg(char('0x08'), char('0xAA')) +x.writeReg(char('0x04'), 255) +x.writeReg(char('0x02'), 255)