pxt-calliope/libs/radio-broadcast/radio-broadcast.ts
2019-09-03 13:48:43 -07:00

39 lines
1.2 KiB
TypeScript

namespace radio {
/**
* Gets the message code
*/
//% blockHidden=1 shim=ENUM_GET
//% blockId=radioMessageCode block="$msg" enumInitialMembers="message1"
//% enumName=RadioMessage enumMemberName=msg enumPromptHint="e.g. Start, Stop, Jump..."
//% enumIsHash=1
export function __message(msg: number): number {
return msg;
}
/**
* Broadcasts a message over radio
* @param msg
*/
//% blockId=radioBroadcastMessage block="radio send $msg"
//% msg.shadow=radioMessageCode draggableParameters
//% weight=200
//% blockGap=8
//% help=radio/send-message
export function sendMessage(msg: number): void {
// 0 is MICROBIT_EVT_ANY, shifting by 1
radio.raiseEvent(DAL.MES_BROADCAST_GENERAL_ID, msg + 1);
}
/**
* Registers code to run for a particular message
* @param msg
* @param handler
*/
//% blockId=radioOnMessageReceived block="on radio $msg received"
//% msg.shadow=radioMessageCode draggableParameters
//% weight=199
//% help=radio/on-received-message
export function onReceivedMessage(msg: number, handler: () => void) {
control.onEvent(DAL.MES_BROADCAST_GENERAL_ID, msg + 1, handler);
}
}