webnofrendo-n110.js

"use strict";

angular.module('webnofrendo', []).controller('main', function($scope, $http) {
  $scope.webUSB = typeof navigator.usb !== 'undefined';

  $scope.getFile = function(el) {
    let file = el[0].files[0];
    let reader = new FileReader();

    reader.addEventListener("load", function() {
      $scope.$apply(function() {
        delete $scope.selectedFirmware;
        delete $scope.allDone;
        let dv = new DataView(reader.result,0,3)
        if(dv.getInt8(0) == 'N'.charCodeAt(0) && dv.getInt8(1) == 'E'.charCodeAt(0) && dv.getInt8(2) == 'S'.charCodeAt(0)) {
          $scope.romLoaded = true;
          $scope.rom = reader.result;
          delete $scope.romError;
        } else {
          $scope.romError = 'The file is not a NES ROM'
          delete $scope.romLoaded;
          delete $scope.rom;
        }
      });
      console.log($scope.rom);
    }, false);

    $scope.$apply(function() {
      if (file) {
        console.log("loading", file);
        $scope.romFileName = file.name + ", " + file.size + " bytes";
        reader.readAsArrayBuffer(file);
      } else {
        delete $scope.romLoaded;
        delete $scope.romFileName;
        delete $scope.selectedFirmware;
        delete $scope.romError;
        delete $scope.rom;
        delete $scope.allDone;
      }
    });
  };

  $scope.firmwares = [
    {internal: "epsilon.internal.bin", external: "epsilon.external.bin", desc: "PAL"},
    {internal: "epsilon.internal-60.bin", external: "epsilon.external-60.bin", desc: "NTSC"}
  ];

  $scope.firmwares.forEach( f => {
    $http.get(f.internal, {responseType: "arraybuffer"})
    .then(function(response) {
      f.data_internal = response.data;
    }, function(error) {
      console.log(error);
      $scope.firmwareError = "Unable to load internal firmware";
    });
    $http.get(f.external, {responseType: "arraybuffer"})
    .then(function(response) {
      f.data_external = response.data;
    }, function(error) {
      console.log(error);
      $scope.firmwareError = "Unable to load external firmware";
    });
  })

  var appendBuffer = function(buffer1, buffer2) {
    var tmp = new Uint8Array(buffer1.byteLength + buffer2.byteLength);
    tmp.set(new Uint8Array(buffer1), 0);
    tmp.set(new Uint8Array(buffer2), buffer1.byteLength);
    return tmp.buffer;
  };

  var uploadFile = async function uploadFile(selectedDevice, dfuDescriptor, file, manifest) {
    console.log("uploading", dfuDescriptor);
    let interfaces = dfu.findDeviceDfuInterfaces(selectedDevice);
    console.log("interfaces", interfaces);
    if (interfaces.length == 0) {
      throw "The selected device does not have any USB DFU interfaces.";
    }
    interfaces[0].name = dfuDescriptor;
    let device = new dfuse.Device(selectedDevice, interfaces[0]);
    console.log("device", device);
    await device.open();
    try {
      let status = await device.getStatus();
      if (status.state == dfu.dfuERROR) {
        await device.clearStatus();
      }
    } catch (error) {
      console.log("Failed to clear status");
    }
    device.logProgress = function(done, total) {
      console.log("progress", done, total);
      $scope.$apply(function() {
        $scope.progress = (done / total)*100;
      })
    }
    device.logInfo = function(message) {
      console.log(message);
      $scope.$apply(function() {
        $scope.lastAction = message;
      })
    }
    await device.do_download(2048, file, manifest).then(
      () => {
        console.log("done", dfuDescriptor);
      },
      error => {
        throw error;
      }
    );
  }

  $scope.upload = function() {
    delete $scope.error;
    navigator.usb.requestDevice({
      filters: [{
        vendorId: 0x0483,
        productId: 0xa291
      }]
    }).then(
      async selectedDevice => {
        console.log("selected device", selectedDevice);
        await uploadFile(selectedDevice, "@External Flash /0x90400000/64*064Kg", $scope.rom, false);
        await uploadFile(selectedDevice, "@External Flash /0x90000000/64*064Kg", $scope.selectedFirmware.data_external, false);
        await uploadFile(selectedDevice, "@Internal Flash /0x08000000/04*016Kg", $scope.selectedFirmware.data_internal, true);
        $scope.$apply(function() {
          $scope.allDone = true;
        });
      }
    ).catch(error => {
      $scope.$apply(function() {
        $scope.error = error;
        delete $scope.allDone;
      });
    });
  };
}).directive("ngFileSelect", function() {
  return {
    link: function($scope, el) {
      el.bind("change", function(e) {
        $scope.getFile(el);
      })
    }
  }
});