pxt-calliope/sim/state/serial.ts
2017-12-15 14:45:38 -08:00

56 lines
1.5 KiB
TypeScript

namespace pxsim {
const SERIAL_BUFFER_LENGTH = 16;
export class SerialState {
serialIn: string[] = [];
public receiveData(data: string) {
this.serialIn.push();
}
readSerial() {
let v = this.serialIn.shift() || "";
return v;
}
serialOutBuffer: string = "";
writeSerial(s: string) {
this.serialOutBuffer += s;
if (/\n/.test(this.serialOutBuffer) || this.serialOutBuffer.length > SERIAL_BUFFER_LENGTH) {
Runtime.postMessage(<SimulatorSerialMessage>{
type: 'serial',
data: this.serialOutBuffer,
id: runtime.id,
sim: true
})
this.serialOutBuffer = '';
}
}
}
}
namespace pxsim.serial {
export function writeString(s: string) {
board().writeSerial(s);
}
export function readUntil(del: string): string {
return readString();
}
export function readString(): string {
return board().serialState.readSerial();
}
export function onDataReceived(delimiters: string, handler: RefAction) {
let b = board();
b.bus.listen(DAL.MICROBIT_ID_SERIAL, DAL.MICROBIT_SERIAL_EVT_DELIM_MATCH, handler);
}
export function redirect(tx: number, rx: number, rate: number) {
// TODO?
}
export function redirectToUSB() {
// TODO
}
}