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Gesture.ts
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Gesture.ts
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const initRegisterArray: number[] = [
0xEF, 0x00, 0x32, 0x29, 0x33, 0x01, 0x34, 0x00, 0x35, 0x01, 0x36, 0x00, 0x37, 0x07, 0x38, 0x17,
0x39, 0x06, 0x3A, 0x12, 0x3F, 0x00, 0x40, 0x02, 0x41, 0xFF, 0x42, 0x01, 0x46, 0x2D, 0x47, 0x0F,
0x48, 0x3C, 0x49, 0x00, 0x4A, 0x1E, 0x4B, 0x00, 0x4C, 0x20, 0x4D, 0x00, 0x4E, 0x1A, 0x4F, 0x14,
0x50, 0x00, 0x51, 0x10, 0x52, 0x00, 0x5C, 0x02, 0x5D, 0x00, 0x5E, 0x10, 0x5F, 0x3F, 0x60, 0x27,
0x61, 0x28, 0x62, 0x00, 0x63, 0x03, 0x64, 0xF7, 0x65, 0x03, 0x66, 0xD9, 0x67, 0x03, 0x68, 0x01,
0x69, 0xC8, 0x6A, 0x40, 0x6D, 0x04, 0x6E, 0x00, 0x6F, 0x00, 0x70, 0x80, 0x71, 0x00, 0x72, 0x00,
0x73, 0x00, 0x74, 0xF0, 0x75, 0x00, 0x80, 0x42, 0x81, 0x44, 0x82, 0x04, 0x83, 0x20, 0x84, 0x20,
0x85, 0x00, 0x86, 0x10, 0x87, 0x00, 0x88, 0x05, 0x89, 0x18, 0x8A, 0x10, 0x8B, 0x01, 0x8C, 0x37,
0x8D, 0x00, 0x8E, 0xF0, 0x8F, 0x81, 0x90, 0x06, 0x91, 0x06, 0x92, 0x1E, 0x93, 0x0D, 0x94, 0x0A,
0x95, 0x0A, 0x96, 0x0C, 0x97, 0x05, 0x98, 0x0A, 0x99, 0x41, 0x9A, 0x14, 0x9B, 0x0A, 0x9C, 0x3F,
0x9D, 0x33, 0x9E, 0xAE, 0x9F, 0xF9, 0xA0, 0x48, 0xA1, 0x13, 0xA2, 0x10, 0xA3, 0x08, 0xA4, 0x30,
0xA5, 0x19, 0xA6, 0x10, 0xA7, 0x08, 0xA8, 0x24, 0xA9, 0x04, 0xAA, 0x1E, 0xAB, 0x1E, 0xCC, 0x19,
0xCD, 0x0B, 0xCE, 0x13, 0xCF, 0x64, 0xD0, 0x21, 0xD1, 0x0F, 0xD2, 0x88, 0xE0, 0x01, 0xE1, 0x04,
0xE2, 0x41, 0xE3, 0xD6, 0xE4, 0x00, 0xE5, 0x0C, 0xE6, 0x0A, 0xE7, 0x00, 0xE8, 0x00, 0xE9, 0x00,
0xEE, 0x07, 0xEF, 0x01, 0x00, 0x1E, 0x01, 0x1E, 0x02, 0x0F, 0x03, 0x10, 0x04, 0x02, 0x05, 0x00,
0x06, 0xB0, 0x07, 0x04, 0x08, 0x0D, 0x09, 0x0E, 0x0A, 0x9C, 0x0B, 0x04, 0x0C, 0x05, 0x0D, 0x0F,
0x0E, 0x02, 0x0F, 0x12, 0x10, 0x02, 0x11, 0x02, 0x12, 0x00, 0x13, 0x01, 0x14, 0x05, 0x15, 0x07,
0x16, 0x05, 0x17, 0x07, 0x18, 0x01, 0x19, 0x04, 0x1A, 0x05, 0x1B, 0x0C, 0x1C, 0x2A, 0x1D, 0x01,
0x1E, 0x00, 0x21, 0x00, 0x22, 0x00, 0x23, 0x00, 0x25, 0x01, 0x26, 0x00, 0x27, 0x39, 0x28, 0x7F,
0x29, 0x08, 0x30, 0x03, 0x31, 0x00, 0x32, 0x1A, 0x33, 0x1A, 0x34, 0x07, 0x35, 0x07, 0x36, 0x01,
0x37, 0xFF, 0x38, 0x36, 0x39, 0x07, 0x3A, 0x00, 0x3E, 0xFF, 0x3F, 0x00, 0x40, 0x77, 0x41, 0x40,
0x42, 0x00, 0x43, 0x30, 0x44, 0xA0, 0x45, 0x5C, 0x46, 0x00, 0x47, 0x00, 0x48, 0x58, 0x4A, 0x1E,
0x4B, 0x1E, 0x4C, 0x00, 0x4D, 0x00, 0x4E, 0xA0, 0x4F, 0x80, 0x50, 0x00, 0x51, 0x00, 0x52, 0x00,
0x53, 0x00, 0x54, 0x00, 0x57, 0x80, 0x59, 0x10, 0x5A, 0x08, 0x5B, 0x94, 0x5C, 0xE8, 0x5D, 0x08,
0x5E, 0x3D, 0x5F, 0x99, 0x60, 0x45, 0x61, 0x40, 0x63, 0x2D, 0x64, 0x02, 0x65, 0x96, 0x66, 0x00,
0x67, 0x97, 0x68, 0x01, 0x69, 0xCD, 0x6A, 0x01, 0x6B, 0xB0, 0x6C, 0x04, 0x6D, 0x2C, 0x6E, 0x01,
0x6F, 0x32, 0x71, 0x00, 0x72, 0x01, 0x73, 0x35, 0x74, 0x00, 0x75, 0x33, 0x76, 0x31, 0x77, 0x01,
0x7C, 0x84, 0x7D, 0x03, 0x7E, 0x01
];
/**
* Gestures
*/
enum gestureType {
//% block=None
None = 0,
//% block=Right
Right = 1,
//% block=Left
Left = 2,
//% block=Up
Up = 3,
//% block=Down
Down = 4,
//% block=Forward
Forward = 5,
//% block=Backward
Backward = 6,
//% block=Clockwise
Clockwise = 7,
//% block=Anticlockwise
Anticlockwise = 8,
//% block=Wave
Wave = 9
}
/**
* Functions to operate module.
*/
//% weight=10 color=#9F79EE icon="\uf108" block="Gesture"
namespace gesture {
export class PAJ7620 {
private paj7620WriteReg(addr: number, cmd: number) {
let buf: Buffer = pins.createBuffer(2);
buf[0] = addr;
buf[1] = cmd;
pins.i2cWriteBuffer(0x73, buf, false);
}
private paj7620ReadReg(addr: number): number {
let buf: Buffer = pins.createBuffer(1);
buf[0] = addr;
pins.i2cWriteBuffer(0x73, buf, false);
buf = pins.i2cReadBuffer(0x73, 1, false);
return buf[0];
}
private paj7620SelectBank(bank: number) {
if (bank == 0) this.paj7620WriteReg(0xEF, 0);
else if (bank == 1) this.paj7620WriteReg(0xEF, 1);
}
private paj7620Init() {
let temp = 0;
this.paj7620SelectBank(0);
temp = this.paj7620ReadReg(0);
if (temp == 0x20) {
for (let i = 0; i < 438; i += 2) {
this.paj7620WriteReg(initRegisterArray[i], initRegisterArray[i + 1]);
}
}
this.paj7620SelectBank(0);
}
init() {
this.paj7620Init();
basic.pause(200);
}
read(): number {
let data = 0, result = 0;
data = this.paj7620ReadReg(0x43);
switch (data) {
case 0x01:
result = gestureType.Right;
break;
case 0x02:
result = gestureType.Left;
break;
case 0x04:
result = gestureType.Up;
break;
case 0x08:
result = gestureType.Down;
break;
case 0x10:
result = gestureType.Forward;
break;
case 0x20:
result = gestureType.Backward;
break;
case 0x40:
result = gestureType.Clockwise;
break;
case 0x80:
result = gestureType.Anticlockwise;
break;
default:
data = this.paj7620ReadReg(0x44);
if (data == 0x01)
result = gestureType.Wave;
break;
}
return result;
}
}
const gestureEventId = 3100;
let lastGesture = gestureType.None;
let paj7620 = new PAJ7620();
/**
* init Gesture modules
*/
//% blockId= initgesture block="init gesture"
export function initGesture() {
if (!paj7620) {
paj7620.init();
}
}
/**
* get Gesture modle
*/
//% blockId= getgesture block="get gesture model"
export function getGestureModel(): number {
return paj7620.read();
}
/**
* Do something when a gesture is detected
* @param gesture type of gesture to detect
* @param handler code to run
*/
//% blockId= gesture_create_event block="on Gesture|%gesture"
export function onGesture(gesture: gestureType, handler: () => void) {
control.onEvent(gestureEventId, gesture, handler);
paj7620.init();
control.inBackground(() => {
while (true) {
const gesture = paj7620.read();
if (gesture != lastGesture) {
lastGesture = gesture;
control.raiseEvent(gestureEventId, lastGesture);
}
basic.pause(50);
}
})
}
}