예제 #1
0
/*JSON{
  "type" : "staticmethod",
  "class" : "fs",
  "name" : "pipe",
  "ifndef" : "SAVE_ON_FLASH",
  "generate" : "jswrap_pipe",
  "params" : [
    ["source","JsVar","The source file/stream that will send content."],
    ["destination","JsVar","The destination file/stream that will receive content from the source."],
    ["options","JsVar",["An optional object `{ chunkSize : int=64, end : bool=true, complete : function }`","chunkSize : The amount of data to pipe from source to destination at a time","complete : a function to call when the pipe activity is complete","end : call the 'end' function on the destination when the source is finished"]]
  ]
}*/
void jswrap_pipe(JsVar* source, JsVar* dest, JsVar* options) {
  if (!source || !dest) return;
  JsVar *pipe = jspNewObject(0, "Pipe");
  JsVar *arr = pipeGetArray(true);
  JsVar* position = jsvNewFromInteger(0);
  if (pipe && arr && position) {// out of memory?
    JsVar *readFunc = jspGetNamedField(source, "read", false);
    JsVar *writeFunc = jspGetNamedField(dest, "write", false);
    if(jsvIsFunction(readFunc)) {
      if(jsvIsFunction(writeFunc)) {
        JsVarInt chunkSize = 64;
        bool callEnd = true;
        // parse Options Object
        if (jsvIsObject(options)) {
          JsVar *c;
          c = jsvObjectGetChild(options, "complete", false);
          if (c) {
            jsvObjectSetChild(pipe, "#oncomplete", c);
            jsvUnLock(c);
          }
          c = jsvObjectGetChild(options, "end", false);
          if (c) callEnd = jsvGetBoolAndUnLock(c);
          c = jsvObjectGetChild(options, "chunkSize", false);
          if (c) {
            if (jsvIsNumeric(c) && jsvGetInteger(c)>0)
              chunkSize = jsvGetInteger(c);
            else
              jsWarn("chunkSize must be an integer > 0");
            jsvUnLock(c);
          }
        } else if (!jsvIsUndefined(options)) {
          jsWarn("'options' must be an object, or undefined");
        }
        // set up our event listeners
        jswrap_object_addEventListener(source, "close", jswrap_pipe_src_close_listener, JSWAT_VOID | (JSWAT_JSVAR << (JSWAT_BITS*1)));
        jswrap_object_addEventListener(dest, "drain", jswrap_pipe_drain_listener, JSWAT_VOID | (JSWAT_JSVAR << (JSWAT_BITS*1)));
        jswrap_object_addEventListener(dest, "close", jswrap_pipe_dst_close_listener, JSWAT_VOID | (JSWAT_JSVAR << (JSWAT_BITS*1)));
        // set up the rest of the pipe
        jsvUnLock(jsvObjectSetChild(pipe, "chunkSize", jsvNewFromInteger(chunkSize)));
        jsvUnLock(jsvObjectSetChild(pipe, "end", jsvNewFromBool(callEnd)));
        jsvUnLock(jsvAddNamedChild(pipe, position, "position"));
        jsvUnLock(jsvAddNamedChild(pipe, source, "source"));
        jsvUnLock(jsvAddNamedChild(pipe, dest, "destination"));
        // add the pipe to our list
        jsvArrayPush(arr, pipe);
      } else {
        jsExceptionHere(JSET_ERROR, "Destination object does not implement the required write(buffer, length, position) method.");
      }
    } else {
      jsExceptionHere(JSET_ERROR, "Source object does not implement the required read(buffer, length, position) method.");
    }
    jsvUnLock(readFunc);
    jsvUnLock(writeFunc);
  }
  jsvUnLock(arr);
  jsvUnLock(pipe);
  jsvUnLock(position);
}
예제 #2
0
/*JSON{
  "type" : "init",
  "generate" : "jswrap_wice_init"
}*/
void jswrap_wice_init() {
  jspCallNamedFunction(execInfo.root, "USB.setConsole", 0, 0);
  jspEvaluate("USB.setConsole();");
#ifdef WICE_DEBUG
  WDEBUGLN("USB is console");
#endif
  /*JsVar *mode = jsvNewFromString("output");
  jswrap_io_pinMode(jshGetPinFromString(PIN_DASH7_XTAL_EN), mode);
  jswrap_io_pinMode(jshGetPinFromString(PIN_DASH7_RST), mode);
  jsvUnLock(mode);*/

  enableDASH();

  // Set up the DASH7 USART how we want it
  JshUSARTInfo inf;
  jshUSARTInitInfo(&inf);
  inf.baudRate = 115200;
  inf.pinRX = jshGetPinFromString(PIN_DASH7_RX);
  inf.pinTX = jshGetPinFromString(PIN_DASH7_TX);
  jshUSARTSetup(EV_SERIAL1, &inf);

  JsVar *serial = jspGetNamedField(execInfo.root, SERIAL1_DASH7, false);
  jswrap_object_addEventListener(serial, "data", dash7Callback, JSWAT_VOID | (JSWAT_JSVAR<<(JSWAT_BITS)));
  jsvUnLock(serial);

  startTime = jshGetSystemTime();

  wice_msg_init(&wifiMessage, wifiMessageBuffer, 2048);
  wice_msg_init(&dash7Message, dash7MessageBuffer, 256);


  options = jspEvaluate("x = {\"repeat\": \"true\", \"edge\": \"rising\", \"debounce\":\"50\"}");
  Pin btn = jshGetPinFromString("B10");
  JsVar *btnmode = jsvNewFromString("input");
  jswrap_io_pinMode(btn, btnmode);
  jsvUnLock(btnmode);

#ifdef GATEWAY
  WDEBUGLN("GATEWAY");
  blink(PIN_GRN, 50);
  /// opendrain and digitalwrite 1 will 'opencircuit it'
  /// http://www.espruino.com/Reference#l__global_pinMode
  JsVar *opendrain = jsvNewFromString("opendrain");
  WDEBUGSTRVAR(opendrain);
  jswrap_io_pinMode(jshGetPinFromString(PIN_ESP_GPIO_0), opendrain);
  jswrap_io_pinMode(jshGetPinFromString(PIN_ESP_GPIO_2), opendrain);
  jshPinOutput(jshGetPinFromString(PIN_ESP_GPIO_0), 1);
  jshPinOutput(jshGetPinFromString(PIN_ESP_GPIO_2), 1);
  jsvUnLock(opendrain);
  /// must opendrain gpio0/2 because of boot modes
  /// https://github.com/esp8266/esp8266-wiki/wiki/Boot-Process
  enableWifi();

  // Set up the Wifi USART how we want it
  JshUSARTInfo inf4;
  jshUSARTInitInfo(&inf4);
  inf4.baudRate = 115200;
  inf4.pinRX = jshGetPinFromString(PIN_ESP_RX);
  inf4.pinTX = jshGetPinFromString(PIN_ESP_TX);
  jshUSARTSetup(EV_SERIAL4, &inf4);

  /// make button restart wifi for gateway
  JsVar *restartWifi_fn = jsvNewNativeFunction(restartWifi, JSWAT_VOID);
  btnEvent = jswrap_interface_setWatch(restartWifi_fn,
                            btn, 
                            options);
  jsvUnLock(restartWifi_fn);
  /// configure wifi usart callback
  JsVar *wifiSerial = jspGetNamedField(execInfo.root, SERIAL4_WIFI, false);
  jswrap_object_addEventListener(wifiSerial, "data", wifiCallback, JSWAT_VOID | (JSWAT_JSVAR<<(JSWAT_BITS)));
  jsvUnLock(wifiSerial);
  doSendSerial();
#else 
  WDEBUGLN("NODE");
  blink(PIN_BLUE, 50);
  /// make button a forced measurement for nodes
  JsVar *doMeasurementAndWaitForResponse_fn = jsvNewNativeFunction(doMeasurementAndWaitForResponse, JSWAT_VOID);
  btnEvent = jswrap_interface_setWatch(doMeasurementAndWaitForResponse_fn,
                            btn, 
                            options);
  jsvUnLock(doMeasurementAndWaitForResponse_fn);

  /// set up main interval callback for nodes
  JsVar *doMeasurement_fn = jsvNewNativeFunction(doMeasurement, JSWAT_VOID);
  currentInterval = jswrap_interface_setInterval(doMeasurement_fn, INTERVAL, 0);
  jsvUnLock(doMeasurement_fn);

  /// prepare the I2C bus for talking with the Si7050 temp sensor
  JsVar *s = jspEvaluate("I2C1.setup({scl:B8, sda:B9, bitrate:50000});"); jsvUnLock(s);
  disableDASH();
  jswrap_interface_setDeepSleep(true); //do deep sleep [TODO can we wake on press?]
#endif
}