The host processor is the intelligent part of the protocol: it chooses the image sector to download, reads back the downloaded image area sector to verify the written image was written correctly, and authorizes the use of the image, etc.
We need to use a simple USB to UART converter to program the board via USART with a USB boot loader, and then we can get back to programming it directly via USB.
When the boot loader has received the enable command, it enables the downloaded code by writing the CRC to the CRC shadow and resetting the device.
The UART passthrough mode has been provided with the AT firmware to facilitate sending of data blocks of large size and for continuous transmission of small packets of data.
Download the zipped package listed above which contains all necessary files, detailed instructions, and the Rinex Desktop program.
If you are also updating the Relay you will need to download additional files from that section below.
Loader object, the unloaded object will still run in the background until it is actually disposed of by the garbage collector.
If flashing fails, we still have the Compal loader working on it's original location, and the phone is not bricked.
There is no new firmware available for the A5 bases, but you can use the AFLink Programming Utility to configure the base station radio.
Now that you have the encrypted target image, you can flash the EBL (functioning now as an EBL; not an encrypter) to the target device and then serially load the encrypted target image produced from the last step.
If the image in the downloaded image area is not a valid image, the serial boot loader starts in serial boot loading mode and waits for commands from host processor (the PC in our case).
The following two figures illustrate boot loading sequences and application image downloading sequences performed during boot loading.
Download and run the AFLink Programming Utility listed above on your PC to configure the connected base.
Click the Nand partition and you will see the partitions of the board listed then choose the one you want to flash.
Detailed instructions to guide you through the upgrade process are also included in the zip file download.
Flash Lite is a free, simple graphical user interface which allows downloading into flash memory of target systems.
If you are considering the use of a device other than those found in this test, we urge you to ask the supplier for their flash programming numbers before making the move.
Download and run the GPS 1000 Utility Program if you need to configure your receiver after upgrading.
Download and run the GPS 1100 Utility Program if you need to configure your receiver after upgrading.
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The serial boot loading communication is always triggered by the host processor followed by the the serial boot loader sending a response.
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However, they are not exactly the same as serial boot loading commands are accepted only by the serial boot loader in serial boot loading mode and the underlying transport mechanism could be different from the one used by network processor image.
Now, download the stm32loader python script and run it to see that all the necessary dependencies are satisfied.
The idea is to validate the written image without having to impose CRC checking in the serial boot loader.
The OSMOCOM menu cannot be flashed without erasing the original Compal loader, because both are located in the same flash page.
