The program_flash function takes three arguments:
a.
The .rpd file to write to flash memory.
b. The start address.
c.
Number of words to write for each QSPI_WRITE command. The QSPI_WRITE supports up to 1024 words per write
instruction.
3. Write the new application image start address to a new image pointer entry in the configuration firmware pointer block
(CPB) using the QSPI_WRITE command. Ensure that the new image pointer entry value is 0xFFFFFFFF before initiating
the write.
Note: You must update both copies (CBP0 and CBP1) when editing the configuration firmware pointer block and sub-
partition table. Refer to Table 1 for more details about the configuration firmware pointer block.
Based on the example described above, the address offset 0x20 in the CPB0 and CPB1 must point to the start address of the
application image. The next new image pointer entry value must be 0xFFFFFFFF before you write the start address of the
new application image to the next image pointer entry.
4. Remote System Update (RSU)
UG-20205 | 2019.10.09
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Configuration User Guide
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