DAP.prototype.init = function()

in editor/prepend/dapjs.js [1846:1889]
44 lines of code
10 McCabe index (conditional complexity)

    DAP.prototype.init = function () {
        return __awaiter(this, void 0, void 0, function () {
            var n, prep, m, v;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.dap.connect()];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, this.readDp(0 /* IDCODE */)];
                    case 2:
                        n = _a.sent();
                        this.idcode = n;
                        prep = this.prepareCommand();
                        prep.writeReg(0 /* DP_0x0 */, 1 << 2); // clear sticky error
                        prep.writeDp(2 /* SELECT */, 0);
                        prep.writeDp(1 /* CTRL_STAT */, 1073741824 /* CSYSPWRUPREQ */ | 268435456 /* CDBGPWRUPREQ */);
                        m = 536870912 /* CDBGPWRUPACK */ | 2147483648 /* CSYSPWRUPACK */;
                        prep.readDp(1 /* CTRL_STAT */);
                        return [4 /*yield*/, prep.go()];
                    case 3:
                        v = (_a.sent())[0];
                        _a.label = 4;
                    case 4:
                        if (!((v & m) !== m)) return [3 /*break*/, 6];
                        return [4 /*yield*/, this.readDp(1 /* CTRL_STAT */)];
                    case 5:
                        v = _a.sent();
                        return [3 /*break*/, 4];
                    case 6:
                        prep = this.prepareCommand();
                        prep.writeDp(1 /* CTRL_STAT */, (1073741824 /* CSYSPWRUPREQ */ |
                            268435456 /* CDBGPWRUPREQ */ |
                            0 /* TRNNORMAL */ |
                            3840 /* MASKLANE */));
                        prep.writeDp(2 /* SELECT */, 0);
                        prep.readAp(252 /* IDR */);
                        return [4 /*yield*/, prep.go()];
                    case 7:
                        _a.sent();
                        return [2 /*return*/];
                }
            });
        });
    };