Update daisy_patch_sm.cpp DacHandle::BufferState::DISABLED;#630
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stephenhensley merged 1 commit intoelectro-smith:masterfrom Apr 6, 2026
Merged
Update daisy_patch_sm.cpp DacHandle::BufferState::DISABLED;#630stephenhensley merged 1 commit intoelectro-smith:masterfrom
stephenhensley merged 1 commit intoelectro-smith:masterfrom
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Removed redundant internal DAC buffer. Increases DAC range by around 0.4 Volts Allows for the full 0.0v - 3.3v range. "With internal buffer on, the min DAC_OUT is 0.2V and max DAC_OUT is VDDA-0.2V" Page 163 https://www.st.com/resource/en/datasheet/stm32h750ib.pdf
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Sorry for the near-two-year delay on getting to this. I took a few measurements for posterity:
Thanks for the contribution! |
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Specific to the Patch_SM, only changed one line of code.
DacHandle::BufferState::DISABLED;Increases DAC output range to 0.0v - VREF
Quiet a few people believe that this cannot be done it seems.