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spresense: return valid reference voltage#4310
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dhalbert
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Mar 2, 2021
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Thanks - I am going to approve this for now and any pin changes can come later.
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Return as reference voltage, 5V for pins
A0,A1,A4andA5. These pins are only available on the extension board. For pinsA2andA3the reference voltage will differ depending on the board. For main board it is 0.7V and for extension board it is 5V. For this reason, I return 0 for these pins.