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The bootloader SDK AN213924 says:
PSoC 6 MCU flash has a read-while-write (RWW) capability across 256-KB regions. That is, the bootloader code
may execute in one flash region while updating flash in another region.
My application is large and I cannot reserve 256KB for the bootloader. I modified the sample bootloader memory config to this:
flash_app0_core0 (rx) : ORIGIN = 0x10000000, LENGTH = 0x10000
flash_app0_core1 (rx) : ORIGIN = 0x10010000, LENGTH = 0x10000
flash_app1_core0 (rx) : ORIGIN = 0x10030000, LENGTH = 0x20000
flash_app1_core1 (rx) : ORIGIN = 0x10050000, LENGTH = 0x10000
Bootloader and app1 are both in the same 256KB region and everything still seems to work after I perform the app loading. Am I allowed to put app1 code in the same 256KB region as bootloader?
Solved! Go to Solution.
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It's fine to modify the start address of application lower than 0x10040000, that is, put bootloader and application in a same flash sector, as the write executed by bootloader is blocking function.
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It's fine to modify the start address of application lower than 0x10040000, that is, put bootloader and application in a same flash sector, as the write executed by bootloader is blocking function.