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annotate charging/c1xx/standard @ 7:57f97e839441 default tip

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aud-pirelli/headset.src: cosmetic fix (rm extra empty line)
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 27 Aug 2022 18:27:56 +0000
parents fa09662fe3e2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 # This is the "standard" charging config for Mot C1xx phones running
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 # FreeCalypso fw. The key points are:
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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3 #
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
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,
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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5 # for traditional mobile phone usage patterns in which the user charges
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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6 # the battery fully before going out.
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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7 #
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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8 # 2) The start threshold is set fairly high on the reasoning that if
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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9 # the user connects the charging power source (which is not USB and thus
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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10 # not required for computer connection), it means that she actually intends
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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11 # to charge the battery, but it is set to 4100 mV instead of "always"
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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12 # so that if the battery is really full, an explicit AT@CHG=1 command
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 # or a future UI equivalent will be needed to force a charging start.
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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14 #
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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15 # 3) The restart threshold is a reasonable setting so if the phone is left
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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16 # plugged into the charger for a long time, the user won't be surprised
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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17 # with a battery that has run down significantly after the completion
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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18 # of the initial charging cycle.
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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19
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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20 start-threshold 4100 # mV
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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21 restart-threshold 3900 # mV
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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22
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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23 # Constant Voltage charging parameters mostly copied from Pirelli
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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24
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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25 ci2cv-threshold 4245 # mV, lowered from Pirelli's 4250
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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26 cv-initial-setpoint 4220 # mV
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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27 cv-ctrl-loop-high 4236 # mV
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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28 cv-ctrl-loop-low 4170 # mV, bumped up from Pirelli's 4160
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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29 cv-dac-max-incr 8 # DAC units
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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30 cv-dac-max-decr 50 # DAC units
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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31 cv-ctrl-loop-sample-count 6 # our logic is simpler than Pirelli's
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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32 overvoltage 4280 # mV, bumped up from Pirelli's 4270
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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33
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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34 # For the current settings, keep in mind that C1xx phones use a current
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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35 # measurement resistor of 0.15R instead of TI's "canonical" value of 0.20R,
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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36 # hence the conversion factor between mA and ADC/DAC numbers changes
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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37 # accordingly. The CI current setting is based on what Motorola's fw
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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38 # has been observed to set, but the end current setting is our own,
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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39 # chosen empirically.
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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40
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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41 ci-current 280 # DAC units, about 320 mA
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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42 end-current 60 # ADC units, about 68 mA
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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43 ichg-max-spike 26 # ADC units, about 30 mA
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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44 ichg-low-samples-needed 30 # sample count
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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45
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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46 # The apppropriate charging time limit and restart delay have yet to be
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
parents:
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47 # determined; for now we give it a super-generous 6 h charging time limit
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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48 # and 2 h restart delay.
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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49
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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50 charging-time-limit 21600
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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51 restart-delay 7200
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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52
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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53 # Motorola's fw does not seem to use the I2V offset mechanism,
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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54 # but we use the same setting as Pirelli.
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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55
fa09662fe3e2 batteries, charging: import from fc-battery-conf repository
Mychaela Falconia <falcon@freecalypso.org>
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56 i2v-offset 0x18 # register setting