TMS320VC5509A: USB Bootloader

Long Hoang

Part Number: TMS320VC5509A

Hi,

I have a TMS320VC5509A and I want to update a new application code via USB. I created boot table (binary file format) from object output file using hex55 tool "SdrBios.out --boot -v5509A -serial8 -reg_config 0x1C00,0x0211 --binary --outfile DSP_boottable.bin --map DSP_boottable.bxp" and setup GPIO[0:3] to enter USB boot mode after reset. Then I converted the boot table to an array stored in a header file format using BinToDSPHex tool and wrote a small code using libusb to transfer the whole array through USB line to the DSP.

However, it just transfered 52800 bytes then issued LIBUSB_ERROR_TIMEOUT (error code -7). Seem like DSP was also disconnected from USB bus after that error. I had to setup GPIO[0:3] again and reset DSP to reconnect to the bus. I have no idea about which problem I am facing. I am a newbie about USB and DSP so I really need your help.

Please help me if you have any information.

Best regards,

Long Hoang

over 2 years ago

0 Ming Wei over 2 years ago

TI__Guru 55455 points

Hi Long,

Please refer to the following app note for details of C5509A USB bootloading:

Using the TMS320VC5506/C5507/C5509/C5509A USB Bootloader (Rev. C) (ti.com)

Best regards,

Ming

0 Long Hoang over 2 years ago in reply to Ming Wei

Prodigy 20 points

Hi Ming,

I followed the document you give. However, in my system, new application code is transfered from Linux to DSP, not from Window. So I cannot use Thesycon (USBIO demo) driver that the document mention.

Do you have any information about the problem above or how to boot for DSP via USB line using Linux.

Best regards,

Long Hoang

0 Ming Wei over 2 years ago in reply to Long Hoang

TI__Guru 55455 points

Hi Long,

Unfortunately, we do not the USB host application (Thesycon equivalent) for Linux. Because the USB host application has to follow the C5509A USB bootloading protocol, so it is not easy to re-write the USB host application for Linux. Is it possible for you to use the Windows machine as the USB host just for delivering the application binary (which is the same in both Linux and Windows)?

Best regards,

Ming

0 Long Hoang over 2 years ago in reply to Ming Wei

Prodigy 20 points

Hi Ming,

I cannot use Window due to the requirements of the system. I do not transfer the application binary from my computer to DSP, but from another Linux-based microcontroller. That is the reason why I face some problem I mentioned above. I did not find any document or any information in the Internet about my problem.

I will really appreciate if you have any necessary information or any contact of expert who know that.

Best regards,

Long Hoang

0 Ming Wei over 2 years ago in reply to Long Hoang

TI__Guru 55455 points

Hi Long,

I am sorry. The expert of the C5509A USB bootloading is no longer with TI. I cannot find the C5509A ROM bootloader source code. The only information for writing your own host application is the following section from the Using the TMS320VC5506/C5507/C5509/C5509A USB Bootloader (Rev. C) (ti.com)

Please make sure the memory area 0x03F800 0x03FFFF is not used by your application program.

Best regards,

Ming

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TMS320VC5509A: USB Bootloader