Brom Mode Mtk Driver Review

#include <ntddk.h> #include <wdf.h> #include <usb.h> DRIVER_INITIALIZE DriverEntry; EVT_WDF_DRIVER_DEVICE_ADD BROM_EvtDeviceAdd; EVT_WDF_IO_QUEUE_IO_READ BROM_EvtIoRead; EVT_WDF_IO_QUEUE_IO_WRITE BROM_EvtIoWrite;

[Strings] ProviderName = "MediaTek Inc." MfgName = "MediaTek" DeviceDesc = "MediaTek USB BROM Port" ServiceName = "MTK BROM Driver" This is a minimal functional WDF USB driver for BROM mode — handles bulk read/write. brom mode mtk driver

WDF_USB_CONTROL_SETUP_PACKET_INIT_VENDOR(&setupPacket, 0x01, 0, 0, Length, TRUE); WdfRequestRetrieveOutputMemory(Request, &memDesc); #include <ntddk

[Service_Inst] DisplayName = %ServiceName% ServiceType = 1 StartType = 3 ErrorControl = 1 ServiceBinary = %12%\mtk_brom.sys LoadOrderGroup = Extended Base PUNICODE_STRING RegistryPath) WDF_DRIVER_CONFIG config

NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath) WDF_DRIVER_CONFIG config; WDF_DRIVER_CONFIG_INIT(&config, BROM_EvtDeviceAdd); return WdfDriverCreate(DriverObject, RegistryPath, WDF_NO_OBJECT_ATTRIBUTES, &config, WDF_NO_HANDLE);

[COMAddReg] HKR,, "UpperFilters", 0x00010000, "mtk_usb_filter"

// Write is symmetric — sends DA command (0xE8 handshake) Once driver is installed, you can use libusb or CreateFile on COM port: