<div class="" data-ng-controller="HomeCtrl">
      <form class="form-horizontal" name="upload" ng-submit="uploadFile()">
        <input type="file" name="file" ng-upload-model="file"/>
        <button type="submit" class="btn btn-info btn-sm "
ng-click="uploadFile(imagenDatos.id_puntoEmpresa)"role="button">
                <span class="glyphicon glyphicon-open-file" aria-hidden="true"></span>
        </button>
      </form>
    </div>

//Controlador para subir archivos al server
    app.controller('HomeCtrl', ['$scope', 'upload', function ($scope, upload)
    {
        $scope.uploadFile = function(idPunto)
        {
        $scope.id_punto = idPunto;
            var file = $scope.file;

            upload.uploadFile(file, idPunto).then(function(res)
            {
                console.log("File: ", file);
                console.log("ID: ", idPunto);
                console.log(res);
            })
        }
    }]);