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RaceChronoDiyBleDevice
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This commit is contained in:
Timur Iskhodzhanov 2020-08-27 23:16:36 -07:00
parent 382001ebef
commit 29ba98ffa2
1 changed files with 8 additions and 9 deletions
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@ -7,7 +7,7 @@ RaceChrono and equations to get the right scale, etc.
Update frequency: 50 times per second.
Channel | RaceChrono equation
Channel name | Equation
------- | -------------------
Steering angle | bytesToIntLe(raw, 0, 2) * 0.1
Z rate of rotation | bytesToIntLe(raw, 2, 2) * -0.318309886
@ -20,7 +20,7 @@ Combined acceleration | sqrt(pow2(bytesToIntLe(raw, 6, 1) * 0.2) + pow2(bytesToI
Update frequency: 50 times per second.
Channel | RaceChrono equation | Notes
Channel name | Equation | Notes
------- | ------------------- | -----
Speed | bytesToIntLe(raw, 0, 2) * 0.01569358787 | May want to check the multiplier against an external GPS device
Brake position | min(C / 0.7, 100) | The third byte is the pressure in the brake system, in Bars. The 0.7 divider seems to be a good value to get 100% at pressure slightly higher than those you're likely to use on the track for cars with no aero. You can use 0.8 or 0.9 if you see 100% too often.
@ -29,7 +29,7 @@ Brake position | min(C / 0.7, 100) | The third byte is the pressure in the brake
Update frequency: 50 times per second.
Channel | RaceChrono equation | Notes
Channel name | Equation | Notes
------- | ------------------- | -----
Wheel speed FL | bytesToIntLe(raw, 0, 2) * 0.01569358787 | Use same multiplier as for speed in 0xD1
Wheel speed FR | bytesToIntLe(raw, 2, 2) * 0.01569358787 | Use same multiplier as for speed in 0xD1
@ -40,21 +40,20 @@ Wheel speed RR | bytesToIntLe(raw, 6, 2) * 0.01569358787 | Use same multiplier a
Update frequency: 100 times per second.
Channel | RaceChrono equation | Notes
Channel name | Equation | Notes
------- | -------------------
Accelerator position | A / 2.55
Clutch position | (B & 0x80) / 1.28 | On/off only
Engine RPM | C + (D & 63) * 256
??? | E
??? | byte 4
Throttle position | F / 2.55 | Not tested
??? | G
??? | H
??? | bytes 6, 7
# PID 0x141
Update frequency: 100 times per second.
Channel | RaceChrono equation | Notes
Channel name | Equation | Notes
------- | -------------------
Gear | G & 0xF | Not tested much. The value seems to jump so much that the usefulness is questionable.
@ -65,7 +64,7 @@ interesting info there.
Update frequency: 20 times per second.
Channel | RaceChrono equation
Channel name | Equation
------- | -------------------
Engine oil temperature | C - 40
Coolant temperature | D - 40