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Questions
Thomas edited this page Jan 23, 2018
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This page contains a list of outstanding questions about the meter that can be answered by analyzing the hardware or firmware. If you answer a question, please put the answer in an appropriate place on the wiki. If you aren't sure where this is, put it underneath the question and it will be moved to a more appropriate location.
- What are the option byte values in the STM32?
- Dump the bootloader.
- Information on the LCD segments.
- What RTC chip is used?
- Pull a table out of the firmware.
- Figure out how a routine works, reimplement it and demonstrate it.
meas_calc_ac_freq_dependent_offset(range, digits)meas_ohms_calc_5M_offset(digits)meas_calc_temp_from_dcmv(dcmv)calc_internal_temp_core(temp)
- What do the various offset routines actually do? Why are they necessary? What deficiency do they address? They all seem to operate the same way.
meas_ohms_calc_50M_offset(digits, factor)meas_calc_ac_freq_dependent_offset(range, digits)meas_ohms_calc_5M_offset(digits)meas_calc_temp_from_dcmv(dcmv)calc_internal_temp_core(temp)