Gordon Williams gfwilliams
gfwilliams
/ nceu2018-blescan.js
Last active
October 17, 2018 14:42
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| // Node.js | |
| var bleno = require('bleno'); | |
| var MSG = { | |
| LED_COLOR: 1, | |
| MSG_NEXT: 2, | |
| MSG_NOW: 3, | |
| MSG_ALERT: 4, | |
| MSG_INFO: 5 |
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| function circlify(v, opts) { | |
| var d = Math.sqrt(v[0]*v[0] + v[1]*v[1]); | |
| d = 1 + ((opts.radius-d)*opts.circle / d); | |
| v[0] *= d; | |
| v[1] *= d; | |
| } | |
| function kochs(a,b,opts) { | |
| if (opts.d>=3) return []; | |
| opts.d++; |
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| Hello |
gfwilliams
/ ADS1X15.js
Last active
September 17, 2015 17:54
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| /* Copyright (c) 2015 Gordon Williams, Pur3 Ltd. See the file LICENSE for copying permission. */ | |
| /* | |
| Module for the ADS1015 4 channel ADC, single ended or differential read | |
| ``` | |
| // single-ended ADC read - channel 0: | |
| I2C1.setup({ scl : ..., sda: ...} ); | |
| var ads = new ADS1X15(I2C1); | |
| ads.setGain(256); // +/- 0.256V | |
| ads.getADC(0, function(val) { |
gfwilliams
/ thumb2_assembler.js
Last active
August 29, 2015 13:58
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| // http://ece.uwaterloo.ca/~ece222/ARM/ARM7-TDMI-manual-pt3.pdf | |
| function rlist_lr(value) { | |
| var regs = value.split(","); | |
| var vals = { r0:1,r1:2,r2:4,r3:8,r4:16,r5:32,r6:64,r7:128,lr:256 }; | |
| var bits = 0; | |
| for (var i in regs) { | |
| var reg = regs[i].trim(); | |
| if (!(reg in vals)) throw "Unknown register name "+reg; | |
| bits |= vals[reg]; |
gfwilliams
/ test
Created
August 21, 2012 13:12
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| <html> | |
| <body>Test</body> | |
| </html> |
gfwilliams
/ bracket.js
Created
August 21, 2012 12:32
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| /*OpenJsCad*/ | |
| // change me! | |
| var holeDistance = 1; | |
| var holeHeight = 0.5; | |
| var bracket = | |
| CSG.cube({ center: [0, 0, 0], radius : [1, 1, 0.1] }).union( | |
| CSG.cube({ center: [0, 1, holeHeight/2 + 0.15], radius : [1, 0.1, holeHeight/2 + 0.25] })); | |
| var holes = | |
| CSG.cylinder({ start: [0, 0, -1], end: [0, 0, 1], radius: 0.4 }).union( |
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