splits m:b simulator state
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158
sim/state/radio.ts
Normal file
158
sim/state/radio.ts
Normal file
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namespace pxsim {
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export interface PacketBuffer {
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data: number[] | string;
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rssi?: number;
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}
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export class RadioDatagram {
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datagram: PacketBuffer[] = [];
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lastReceived: PacketBuffer = {
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data: [0, 0, 0, 0],
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rssi: -1
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};
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constructor(private runtime: Runtime) {
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}
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queue(packet: PacketBuffer) {
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if (this.datagram.length < 4) {
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this.datagram.push(packet);
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}
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(<DalBoard>runtime.board).bus.queue(DAL.MICROBIT_ID_RADIO, DAL.MICROBIT_RADIO_EVT_DATAGRAM);
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}
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send(buffer: number[] | string) {
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if (buffer instanceof String) buffer = buffer.slice(0, 32);
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else buffer = buffer.slice(0, 8);
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Runtime.postMessage(<SimulatorRadioPacketMessage>{
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type: "radiopacket",
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data: buffer
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})
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}
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recv(): PacketBuffer {
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let r = this.datagram.shift();
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if (!r) r = {
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data: [0, 0, 0, 0],
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rssi: -1
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};
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return this.lastReceived = r;
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}
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}
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export class RadioBus {
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// uint8_t radioDefaultGroup = MICROBIT_RADIO_DEFAULT_GROUP;
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groupId = 0; // todo
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power = 0;
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transmitSerialNumber = false;
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datagram: RadioDatagram;
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constructor(private runtime: Runtime) {
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this.datagram = new RadioDatagram(runtime);
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}
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setGroup(id: number) {
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this.groupId = id & 0xff; // byte only
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}
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setTransmitPower(power: number) {
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this.power = Math.max(0, Math.min(7, power));
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}
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setTransmitSerialNumber(sn: boolean) {
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this.transmitSerialNumber = !!sn;
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}
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broadcast(msg: number) {
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Runtime.postMessage(<SimulatorEventBusMessage>{
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type: "eventbus",
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id: DAL.MES_BROADCAST_GENERAL_ID,
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eventid: msg,
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power: this.power,
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group: this.groupId
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})
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}
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}
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export class RadioState {
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bus: RadioBus;
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constructor(runtime: Runtime) {
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this.bus = new RadioBus(runtime);
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}
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public recievePacket(packet: SimulatorRadioPacketMessage) {
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this.bus.datagram.queue({ data: packet.data, rssi: packet.rssi || 0 })
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}
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}
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}
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namespace pxsim.radio {
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export function broadcastMessage(msg: number): void {
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board().radioState.bus.broadcast(msg);
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}
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export function onBroadcastMessageReceived(msg: number, handler: RefAction): void {
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pxt.registerWithDal(DAL.MES_BROADCAST_GENERAL_ID, msg, handler);
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}
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export function setGroup(id: number): void {
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board().radioState.bus.setGroup(id);
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}
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export function setTransmitPower(power: number): void {
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board().radioState.bus.setTransmitPower(power);
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}
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export function setTransmitSerialNumber(transmit: boolean): void {
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board().radioState.bus.setTransmitSerialNumber(transmit);
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}
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export function sendNumber(value: number): void {
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board().radioState.bus.datagram.send([value]);
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}
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export function sendString(msg: string): void {
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board().radioState.bus.datagram.send(msg);
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}
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export function writeValueToSerial(): void {
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let b = board();
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let v = b.radioState.bus.datagram.recv().data[0];
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b.writeSerial(`{v:${v}}`);
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}
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export function sendValue(name: string, value: number) {
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board().radioState.bus.datagram.send([value]);
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}
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export function receiveNumber(): number {
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let buffer = board().radioState.bus.datagram.recv().data;
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if (buffer instanceof Array) return buffer[0];
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return 0;
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}
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export function receiveString(): string {
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let buffer = board().radioState.bus.datagram.recv().data;
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if (typeof buffer === "string") return <string>buffer;
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return "";
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}
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export function receivedNumberAt(index: number): number {
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let buffer = board().radioState.bus.datagram.recv().data;
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if (buffer instanceof Array) return buffer[index] || 0;
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return 0;
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}
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export function receivedSignalStrength(): number {
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return board().radioState.bus.datagram.lastReceived.rssi;
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}
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export function onDataReceived(handler: RefAction): void {
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pxt.registerWithDal(DAL.MICROBIT_ID_RADIO, DAL.MICROBIT_RADIO_EVT_DATAGRAM, handler);
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radio.receiveNumber();
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}
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}
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