tests.ts

// this test runs on the device, connect and it will send the output on serial
// after everything is done
// run pxt test & copy build/binary.hex to MINI drive

namespace test_ESP8266 {
    const SSID = "BCW";
    const PASSWORD = "";
    const SERVER = "46.23.86.61";
    const PORT = 9090; // UDP port is 9091 (+1)
    const MESSAGE = "{\"test\":123456}";

    // loop until button A is kept pressed
    const LOOP = false;
    // log AT commands to USB console
    const DEBUG_AT = true;

    //% shim=pxtrt::panic
    function panic(code2: number): void {
    }

    function assert(msg: string, cond: boolean) {
        if (!cond) {
            modem.log("ASSERT:", msg + " failed");
            panic(45);
        } else {
            modem.log("TEST:", msg + ": OK");
        }
    }

    console.log("TEST START");

    modem.enableDebug(DEBUG_AT);
    esp8266.init(SerialPin.C17, SerialPin.C16, BaudRate.BaudRate115200);

    // only check this if we are not going to loop later
    if (!LOOP) {
        // check modem status
        assert("modem working", modem.expectOK(""));
        assert("disable echo", modem.expectOK("E0"));
        let gmr = modem.sendAT("+GMR");
        assert("modem identification", gmr.length == 4 && gmr[gmr.length - 1] == "OK");
        assert("AT version:1.3.0.0", gmr[0].substr(0, 18) == "AT version:1.3.0.0");
        assert("SDK version:2.0.0", gmr[1].substr(0, 17) == "SDK version:2.0.0");

        // attach to the wifi network
        assert("wifi set mode", modem.expectOK("+CWMODE=1"));
        assert("wifi mode", modem.sendAT("+CWMODE?")[0] == "+CWMODE:1");
        modem.pushAT("+CWJAP=\"" + SSID + "\",\"" + PASSWORD + "\"");
        let r = modem.receiveResponse((line: string) => {
            return line == "OK" || line == "ERROR" || line.substr(0, 7) == "+CWJAP:";
        });
        assert("wifi connect", r[r.length - 2] == "WIFI GOT IP");

        // send a packet
        assert("ip mode", modem.expectOK("+CIPMODE=0"));
        assert("ip connect", modem.expectOK("+CIPSTART=\"TCP\",\"" + SERVER + "\"," + PORT));
        modem.pushAT("+CIPSEND=" + MESSAGE.length);
        serial.read(">");
        serial.writeString(MESSAGE);
        r = modem.receiveResponse((line: string) => {
            return line == "SEND OK";
        });
        modem.logArray(">>>", r);

        // check status, disconnect and detach
        assert("ip status", modem.expectOK("+CIPSTATUS"));
        assert("ip close", modem.expectOK("+CIPCLOSE"));
        assert("wifi disconnect", modem.expectOK("+CWQAP"));

        // do some module testing, using the high level functions

        esp8266.attach("foo", "01234567");
        assert("network not found", !esp8266.isAttached());

        esp8266.attach(SSID, PASSWORD);
        assert("network attach", esp8266.isAttached());
        esp8266.send(MessageType.TCP, SERVER, PORT, MESSAGE);
        assert("TCP send", esp8266.sendOk());
        esp8266.send(MessageType.UDP, SERVER, PORT + 1, MESSAGE);
        assert("UDP send", esp8266.sendOk());
        esp8266.detach();
        assert("network detached", !esp8266.isAttached());
    }
    // try high level functions
    esp8266.attach(SSID, PASSWORD);
    assert("network attach", esp8266.isAttached());
    do {
        esp8266.send(MessageType.UDP, SERVER, PORT, "{\"temp\":"+ input.temperature()+"}");
        assert("message temp send", esp8266.sendOk());
        esp8266.send(MessageType.UDP, SERVER, PORT, "{\"light\":"+ input.lightLevel()+"}");
        assert("message light send", esp8266.sendOk());
        basic.pause(10000);
    } while (LOOP);

    esp8266.detach();
    assert("network detached", !esp8266.isAttached());

    serial.resetSerial();

    console.log("TEST FINISHED OK");
}