FreeCalypso > hg > fc-battery-conf

annotate charging/c1xx/standard @ 9:f316294a3ad0 default tip

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batteries/pirelli: add battery bars thresholds
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Nov 2020 20:53:29 +0000
parents 84fbaf39686a
children
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84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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1 # This is the "standard" charging config for Mot C1xx phones running
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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2 # FreeCalypso fw. The key points are:
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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3 #
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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4 # 1) The battery is charged to the full 4.2 V, not a lower voltage,
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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5 # for traditional mobile phone usage patterns in which the user charges
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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6 # the battery fully before going out.
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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7 #
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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8 # 2) The start threshold is set fairly high on the reasoning that if
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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9 # the user connects the charging power source (which is not USB and thus
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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10 # not required for computer connection), it means that she actually intends
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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11 # to charge the battery, but it is set to 4100 mV instead of "always"
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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12 # so that if the battery is really full, an explicit AT@CHG=1 command
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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13 # or a future UI equivalent will be needed to force a charging start.
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Mychaela Falconia <falcon@freecalypso.org>
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14 #
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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15 # 3) The restart threshold is a reasonable setting so if the phone is left
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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16 # plugged into the charger for a long time, the user won't be surprised
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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17 # with a battery that has run down significantly after the completion
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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18 # of the initial charging cycle.
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Mychaela Falconia <falcon@freecalypso.org>
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19
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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20 start-threshold 4100 # mV
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Mychaela Falconia <falcon@freecalypso.org>
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21 restart-threshold 3900 # mV
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Mychaela Falconia <falcon@freecalypso.org>
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22
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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23 # Constant Voltage charging parameters mostly copied from Pirelli
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24
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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25 ci2cv-threshold 4245 # mV, lowered from Pirelli's 4250
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Mychaela Falconia <falcon@freecalypso.org>
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26 cv-initial-setpoint 4220 # mV
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Mychaela Falconia <falcon@freecalypso.org>
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27 cv-ctrl-loop-high 4236 # mV
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Mychaela Falconia <falcon@freecalypso.org>
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28 cv-ctrl-loop-low 4170 # mV, bumped up from Pirelli's 4160
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Mychaela Falconia <falcon@freecalypso.org>
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29 cv-dac-max-incr 8 # DAC units
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Mychaela Falconia <falcon@freecalypso.org>
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30 cv-dac-max-decr 50 # DAC units
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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31 cv-ctrl-loop-sample-count 6 # our logic is simpler than Pirelli's
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Mychaela Falconia <falcon@freecalypso.org>
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32 overvoltage 4280 # mV, bumped up from Pirelli's 4270
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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33
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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34 # For the current settings, keep in mind that C1xx phones use a current
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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35 # measurement resistor of 0.15R instead of TI's "canonical" value of 0.20R,
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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36 # hence the conversion factor between mA and ADC/DAC numbers changes
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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37 # accordingly. The CI current setting is based on what Motorola's fw
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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38 # has been observed to set, but the end current setting is our own,
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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39 # chosen empirically.
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40
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Mychaela Falconia <falcon@freecalypso.org>
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41 ci-current 280 # DAC units, about 320 mA
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Mychaela Falconia <falcon@freecalypso.org>
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42 end-current 60 # ADC units, about 68 mA
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Mychaela Falconia <falcon@freecalypso.org>
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43 ichg-max-spike 26 # ADC units, about 30 mA
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Mychaela Falconia <falcon@freecalypso.org>
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44 ichg-low-samples-needed 30 # sample count
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45
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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46 # The apppropriate charging time limit and restart delay have yet to be
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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47 # determined; for now we give it a super-generous 6 h charging time limit
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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48 # and 2 h restart delay.
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49
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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50 charging-time-limit 21600
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51 restart-delay 7200
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52
84fbaf39686a charging/c1xx/standard: created
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53 # Motorola's fw does not seem to use the I2V offset mechanism,
84fbaf39686a charging/c1xx/standard: created
Mychaela Falconia <falcon@freecalypso.org>
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54 # but we use the same setting as Pirelli.
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55
84fbaf39686a charging/c1xx/standard: created
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56 i2v-offset 0x18 # register setting