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pyfastservo: add note for dac output override

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linuswck 2024-11-15 15:39:42 +08:00
parent a5dc232be4
commit 77643909ef
1 changed files with 3 additions and 0 deletions
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fast-servo/pyfastservo/dac.py
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@ -108,6 +108,9 @@ def set_dac_output(value):
low_word = value & 0xFF low_word = value & 0xFF
high_word = (value >> 8) & 0x3F high_word = (value >> 8) & 0x3F
# Note: DAC HIGH word and LOW word output are not updated
# at the same time. On scope, you will see more than one step
# of value changed.
write_to_memory(CH0_HIGH_WORD_ADDR, high_word) write_to_memory(CH0_HIGH_WORD_ADDR, high_word)
write_to_memory(CH0_LOW_WORD_ADDR, low_word) write_to_memory(CH0_LOW_WORD_ADDR, low_word)
write_to_memory(CH1_HIGH_WORD_ADDR, high_word) write_to_memory(CH1_HIGH_WORD_ADDR, high_word)