pxt-jacdac/diagnostics.ts

namespace jacdac {
    /**
     * Gets the internal diagnostics data from the Jacdac transport layer
     */
    export function diagnostics(): jacdac.JDDiagnostics {
        return new jacdac.JDDiagnostics(jacdac.__physGetDiagnostics());
    }

    export class JDDiagnostics {
        busState: number;
        busLoError: number;
        busUartError: number;
        busTimeoutError: number;
        packetsSent: number;
        packetsReceived: number;
        packetsDropped: number;

        constructor(buf: Buffer) {
            if (!buf) return;
            [
                this.busState,
                this.busLoError,
                this.busUartError,
                this.busTimeoutError,
                this.packetsSent,
                this.packetsReceived,
                this.packetsDropped
            ] = jdunpack<number[]>(buf, "u32 u32 u32 u32 u32 u32 u32")
        }
    }
}