Msp430 Usb Firmware Upgrade Example -

Texas Instruments provides a standard "USB Field Firmware Upgrader" example that illustrates the three-part ecosystem required for a successful update: The Target Firmware:

This example describes a that:

If the device's reset vector is blank (unprogrammed), it automatically enters BSL mode upon powering up via USB. msp430 usb firmware upgrade example

Below is a simplified but functional bootloader for MSP430F5529 using the USB CDC (Virtual COM Port) class. Texas Instruments provides a standard "USB Field Firmware

The application will communicate with the device's BSL to erase the old flash and write the new image. 3. Key Technical Considerations msp430 usb firmware upgrade example

While connecting the device to the PC, hold down a dedicated BSL button (usually pulling the PUR pin to VBUS through a 100Ω resistor).

# Wait for ACK ack = ser.read(3) if ack != b'ACK': print(f"Error at offset 0xoffset:X") return False