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BangleApps
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higher threshold and lower scale for 16bit

master
pinq- 2024-04-29 19:24:44 +03:00
parent 6cc888000a
commit 805f13fb59
1 changed files with 3 additions and 5 deletions
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8
apps/accelrec/app.js
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@ -1,8 +1,8 @@
//var acc; //var acc;
var HZ = 100; var HZ = 100;
var SAMPLES = 5*HZ; // 5 seconds var SAMPLES = 5*HZ; // 5 seconds
var SCALE = 5000; var SCALE = 2000;
var THRESH = 1.04; var THRESH = 1.4;
var accelx = new Int16Array(SAMPLES); var accelx = new Int16Array(SAMPLES);
var accely = new Int16Array(SAMPLES); // North var accely = new Int16Array(SAMPLES); // North
var accelz = new Int16Array(SAMPLES); // Into clock face var accelz = new Int16Array(SAMPLES); // Into clock face
@ -24,7 +24,7 @@ function accelHandlerTrigger(a) {"ram"
} }
function accelHandlerRecord(a) {"ram" function accelHandlerRecord(a) {"ram"
var i = accelIdx++; var i = accelIdx++;
accelx[i] = a.x*SCALE*2; accelx[i] = a.x*SCALE*2; // *2 because of 8g mode
accely[i] = -a.y*SCALE*2; accely[i] = -a.y*SCALE*2;
accelz[i] = a.z*SCALE*2; accelz[i] = a.z*SCALE*2;
timestep[i] = (getTime() - tStart)*1000; timestep[i] = (getTime() - tStart)*1000;
@ -36,10 +36,8 @@ function recordStart() {"ram"
lastAccel = []; lastAccel = [];
Bangle.accelWr(0x18,0b01110100); // off, +-8g Bangle.accelWr(0x18,0b01110100); // off, +-8g
Bangle.accelWr(0x1B,0x03 | 0x40); // 100hz output, ODR/2 filter Bangle.accelWr(0x1B,0x03 | 0x40); // 100hz output, ODR/2 filter
//Bangle.accelWr(0x1B,0x05 | 0x40); // 400hz output, ODR/2 filter
Bangle.accelWr(0x18,0b11110100); // +-8g Bangle.accelWr(0x18,0b11110100); // +-8g
Bangle.setPollInterval(10); // 100hz input Bangle.setPollInterval(10); // 100hz input
//Bangle.setPollInterval(2.5); // 100hz input
setTimeout(function() { setTimeout(function() {
Bangle.on('accel',accelHandlerTrigger); Bangle.on('accel',accelHandlerTrigger);
g.clear(1).setFont("6x8",2).setFontAlign(0,0); g.clear(1).setFont("6x8",2).setFontAlign(0,0);