ee84202b2b
Initial support for McLean Extreme Signed-off by: David McLean Carron <david_de_carron@hotmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
103 lines
7.1 KiB
Plaintext
103 lines
7.1 KiB
Plaintext
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COMPUTER CONFIGURATION
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----------------------
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The computer configuration (including gradient factors, gasses etc) is read and written as a single, fixed size block.
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Config section
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--------------
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Computer configuration and individual dive configurations both start with identical generic configuration sections of length 0x002d bytes
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0x0000 uint8_t format ZERO
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0x0001 uint8_t gas[0]_pO2 oxygen content [0, 100] (percent)
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0x0002 uint8_t gas[0]_pHe helium content [0, 100] (percent)
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0x0003 uint8_t gas[1]_pO2 oxygen content [0, 100] (percent)
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0x0004 uint8_t gas[1]_pHe helium content [0, 100] (percent)
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0x0005 uint8_t gas[2]_pO2 oxygen content [0, 100] (percent)
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0x0006 uint8_t gas[2]_pHe helium content [0, 100] (percent)
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0x0007 uint8_t gas[3]_pO2 oxygen content [0, 100] (percent)
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0x0008 uint8_t gas[3]_pHe helium content [0, 100] (percent)
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0x0009 uint8_t gas[4]_pO2 oxygen content [0, 100] (percent)
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0x000a uint8_t gas[4]_pHe helium content [0, 100] (percent)
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0x000b uint8_t gas[5]_pO2 oxygen content [0, 100] (percent)
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0x000c uint8_t gas[5]_pHe helium content [0, 100] (percent)
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0x000d uint8_t gas[6]_pO2 oxygen content [0, 100] (percent)
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0x000e uint8_t gas[6]_pHe helium content [0, 100] (percent)
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0x000f uint8_t gas[7]_pO2 oxygen content [0, 100] (percent)
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0x0010 uint8_t gas[7]_pHe helium content [0, 100] (percent)
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0x0011 uint8_t gas_mask bitwise mask of enabled gasses
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0x0012 uint8_t gas_active current gas index
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0x0013 uint8_t setpoint[0] (centibar)
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0x0014 uint8_t setpoint[1] (centibar)
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0x0015 uint8_t setpoint[2] (centibar)
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0x0016 uint8_t setpoint_mask bitwise mask of enabled setpoints
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0x0017 uint8_t setpoint_active current setpoint index
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0x0018 bool metric display units [true: metric, false: imperial]
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0x0019 uint16_t name dive number
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0x001b uint8_t laststop_index last stop depth enumeration [0, 3] (metric: 3m, 4m, 5m, 6m imperial: 10ft, 13ft, 16ft, 18ft)
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0x001c uint16_t Vasc ascent speed limit (millibar/minute)
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0x001e uint16_t Psurf surface pressure (millibar)
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0x0020 uint8_t gfs_index predefined gf enumeration [0, 5] (only used in rec mode)
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0x0021 uint8_t gf lo custom gf low [0, 255] (ignored in rec mode)
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0x0022 uint8_t gf hi custom gf high [0, 255] (ignored in rec mode)
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0x0023 uint8_t density_index predefined water density enumeration [0: 1.000, 1: 1.020, 2: 1.030]
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0x0024 uint16_t ppN2_limit nitrogen partial pressure alert (millibars)
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0x0026 uint16_t ppO2_limit oxygen partial pressure alert (millibars)
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0x0028 uint16_t ppO2_bottomlimit oxygen partial pressure alert (millibars)
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0x002a uint16_t density_limit (units ??)
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0x002c uint8_t operatingmode operating mode enumeration [0: OC rec, 1: OC tec, 2: CC, 3: Gauge]
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Computer configuration
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----------------------
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The computer configuration is read and written as a single block of 0x006a bytes formatted thusly:
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<config section as above>
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0x002d +
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0x0000 int64_t epoch internal adjustment used to set computer time
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0x0008 uint16_t inactive_timeout number of seconds of inactivity before the computer turns itself off
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0x000a uint16_t dive_timeout number of seconds on surface before declaring dive finished
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0x000c uint16_t log_period number of seconds between dive samples
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0x000e uint16_t log_timeout not used
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0x0010 uint16_t brightness_timeout number of seconds of inactivity before the computer dims the screen
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0x0012 uint8_t brightness dimmed screen brightness [0, 10]
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0x0013 uint8_t colorscheme computer color scheme enumeration [0, 12]
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0x0014 uint8_t language computer display language enumeration [0, 1]
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0x0015 uint8_t batterytype user-defined battery type enumeration [0, 4]
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0x0016 uint16_t batterytime computer up time since last battery change
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0x0018 <48 bytes> compass calibration data (cannot be written)
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0x0048 uint8_t button_sensitivity piezo button sensitivity [0, 9]
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0x0049 uint8_t orientation screen and button orientation
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0x004a char[32] diver_name diver name (guaranteed at least one nul terminator)
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0x006a
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Dive configuration
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------------------
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Individual dives are read as a single block of 0x002d bytes formatted thusly:
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<config section as above>
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0x002d +
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0x0000 uint32_t log_start log start (seconds since midnight 1 jan 2000)
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0x0004 uint32_t dive_start dive start (seconds since midnight 1 jan 2000)
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0x0008 uint32_t dive_end dive end (seconds since midnight 1 jan 2000)
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0x000c uint32_t log_end log end (seconds since midnight 1 jan 2000)
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0x0010 uint8_t temp_min minimum ambient temperature (degrees centigrade)
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0x0011 uint8_t temp_max maximum ambient temperature (degrees centigrade)
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0x0012 uint16_t pO2_min minimum inspired oxygen partial pressure during the dive (millibars)
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0x0014 uint16_t pO2_max maximum inspired oxygen partial pressure during the dive (millibars)
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0x0016 uint16_t Pmax maximum ambient pressure during the dive (millibars)
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0x0018 uint16_t Pav average ambient pressure during the dive (millibars)
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0x001a uint32_t ISS integral supersaturation of dive mbar*minutes
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0x001e uint16_t CNS_start CNS at start of dive (percent)
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0x0020 uint16_t CNS_max maximum CNS encountered during the dive (percent)
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0x0022 uint16_t OTU OTU dive
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0x0024 uint16_t tndl shortest NDL calculated during dive (seconds)
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0x0026 uint32_t tdeco longest decompression time calculated during dive (seconds)
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0x002a uint8_t ndeco deepest decompression stop index calculated during dive (seconds)
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0x002b uint16_t tdesat desaturation time calculated at end of dive (seconds)
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0x002d
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