Programming

Download fx3 firmware

int FX3USB3Connection::download_fx3_firmware(char *filename, char *tgt_str = const_cast<char *>("ram"), unsigned short vid = 0, unsigned short pid = 0)

Description

Upload a .img firmware to the FX3 device

Receives

• filename: name of the firware.img file to be programmed
• (Optional) tgt_str:

• “ram” (Default)
• “i2c”
• “spi”

• (Optional) pid & vid: If after programming, the board is supposed to change both vid and pid values it must be passed as parameters.

Returns

• 0 on success
• EINVAL: if filename or tgt_str values where incorrect
• LIBUSB_ERROR code on other failures

Program Device

int FX3USB3Connection::program_device(char *fpga_firmware_filename)

Description

Program FPGA with the file passed as input.

Returns

• 0 on success
• LIBUSB_ERROR_TIMEOUT if the transfer timed out
• LIBUSB_ERROR_PIPE if the control request was not supported by the device
• LIBUSB_ERROR_NO_DEVICE if the device has been disconnected
• another LIBUSB_ERROR code on other failures