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spresense: return the correct value for Analog In #4294

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Merged
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Mar 1, 2021
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spresense: return the correct value for Analog In #4294

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4 changes: 2 additions & 2 deletions ports/cxd56/common-hal/analogio/AnalogIn.c
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Original file line number Diff line number Diff line change
Expand Up @@ -105,11 +105,11 @@ bool common_hal_analogio_analogin_deinited(analogio_analogin_obj_t *self) {
}

uint16_t common_hal_analogio_analogin_get_value(analogio_analogin_obj_t *self) {
uint16_t value = 0;
int16_t value = 0;

read(analogin_dev[self->number].fd, &value, sizeof(value));

return value;
return (uint16_t) 32768 + (uint16_t) value;
}

// Reference voltage is a fixed value which is depending on the board.
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