pxt-calliope/libs/radio/radio.ts

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/**
* Communicate data using radio packets
*/
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//% color=#E3008C weight=34
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namespace radio {
export class Packet {
/**
* The number payload if a number was sent in this packet (via ``sendNumber()`` or ``sendValue()``)
* or 0 if this packet did not contain a number.
*/
public receivedNumber: number;
/**
* The string payload if a string was sent in this packet (via ``sendString()`` or ``sendValue()``)
* or the empty string if this packet did not contain a string.
*/
public text: string;
/**
* The system time of the sender of the packet at the time the packet was sent.
*/
public time: number;
/**
* The serial number of the sender of the packet or 0 if the sender did not sent their serial number.
*/
public serial: number;
/**
* The received signal strength indicator (RSSI) of the packet.
*/
public signal: number;
}
/**
* Registers code to run when the radio receives a packet. Also takes the
* received packet from the radio queue.
*/
//% help=radio/on-data-packet-received
//% mutate=true
//% mutateText=Packet
//% mutateDefaults="receivedNumber;text,receivedNumber;text"
//% blockId=radio_on_packet block="on radio received" blockGap=8
export function onDataPacketReceived(cb: (packet: Packet) => void) {
onDataReceived(() => {
receiveNumber();
const packet = new Packet();
packet.receivedNumber = receivedNumber();
packet.time = receivedTime();
packet.serial = receivedSerial();
packet.text = receivedString();
packet.signal = receivedSignalStrength();
cb(packet)
});
}
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}