266be30777
* atmel-samd: Introduce a nvm module for non-volatile byte-level memory access. This allows for persisting small configuration values even when the file system is read-only from CircuitPython. Fixes #160 * Review feedback: * Add tests. * Fix non-zero index. * Fix len()
23 lines
443 B
Python
23 lines
443 B
Python
import skip_if
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skip_if.board_not_in("metro_m0_express", "feather_m0_express", "circuitplayground_express")
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import microcontroller
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import random
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nvm = microcontroller.nvm
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len(nvm)
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single = random.randint(0, 255)
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nvm[1] = single
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assert(nvm[1] == single)
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nvm[0] = single
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assert(nvm[0] == single)
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b = bytearray()
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for i in range(10):
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b.append(random.randint(0, 255))
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microcontroller.nvm[10:20] = b
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assert(microcontroller.nvm[10:20] == b)
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