Circuitpython nickzoic 1042 nrf nvm bytearray 2 #1768
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import microcontroller
def dump(n = microcontroller.nvm):
for i in range(0,len(n)):
print ("%02X " % n[i], end="")
if i % 16 == 15: print('')
microcontroller.nvm[0:4096] = bytes([1,2,3,4,5,6,7,8]) * 512
microcontroller.nvm[4096:8192] = bytes([16,17,18,19]) * 1024
microcontroller.nvm[4090:4101] = b'thisisatest'
microcontroller.nvm[100:105] = b'hello'
microcontroller.nvm[8000:8007] = b'goodbye'
dump()
dhalbert
requested changes
Apr 9, 2019
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Also, could you make similar changes to the pca10056 build so it can use nvm? |
Yep, I've added in a catch this so that if CIRCUITPY_INTERNAL_NVM_SIZE isn't defined it defaults to zero. |
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OK so I also modified your |
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Closing in favor of #1779. Thanks for getting us going! |
tannewt
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Apr 15, 2019
nrf nvm: touchups to nickzoic PR #1768
tannewt
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Apr 16, 2019
tannewt
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Apr 16, 2019
Revert "nrf nvm: touchups to nickzoic PR #1768"
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OK, so this is a new pull request at last for #1042, replacing #1610 which I've closed.
This version moves the code for flash access into
ports/nrf/peripherals/nrf/nvm.cwhich is used by bothports/nrf/supervisor/internal_flash.cand byports/nrf/common-hal/nvm/ByteArray.c.The NVM store uses page(s) at the end of the FATFS page allocation, depending on the size of CIRCUITPY_INTERNAL_NVM_SIZE.