mirror of https://github.com/speeduino/wiki.js.git
docs: update Secondary_Serial_IO_interface
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dazq
Josh Stewart
parent
499571f17f
commit
816eb8cbb8
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@ -2,7 +2,7 @@
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title: Secondary_Serial_IO_interface
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description:
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published: true
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date: 2020-12-16T23:49:26.641Z
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date: 2021-07-09T12:39:49.314Z
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tags:
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editor: markdown
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dateCreated: 2020-01-06T01:37:19.933Z
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@ -49,17 +49,17 @@ Depending on if the secondary port is a simple serial port or is a canbus port t
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##### A Simple Serial Port
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A Serial port offers ,
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1. Retrieve the current realtime data in full from Speeduino . This is the same data as sent to TunerStudio.
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1. Retrieve the current realtime data from Speeduino . This can be a simple or full(enhanced) data set. This is the same realtime data as sent to TunerStudio.
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2. Retrieve specific current realtime data from Speeduino.
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3. Read in the Analog data values from 16 remote sensors as requested by Speeduino.
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4. Activate External Outputs(coming soon!)
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##### A Canbus Port (COMING SOON!)
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##### A Canbus Port
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A Canbus port offers ,
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1. OBD2 formatted data of current realtime data .
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2. Broadcast selected current realtime data and function status .
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3. Read in Analog and Digital data values from other devices on the BUS including those from OEM devices/ECU.
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2. Broadcast selected current realtime data and function status .(COMING SOON!)
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3. Read in Analog and Digital data values from other devices on the BUS including those from OEM devices/ECU.(COMING SOON!)
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Serial Port Functions
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---------------------
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@ -67,23 +67,25 @@ Serial Port Functions
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### Retrieve realtime data
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To get Speeduino to send out the realtime data to your device connected on a Secondary Serial IO port you must send either an "A", an "n" or an "r" to it.
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An 'A' will retreive a simple set of data whereas an 'n' will retreive an enhanced set of realtime data.
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An 'r' will retrieve specific data starting at a selected position in the list for x number of bytes.
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- **Send an "A"**
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If you send an "A" to the port it will reply with ,
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1. A "A" confirming the received instruction (sent as 0x41 in hex),
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2. The port will then transmit the first 75 realtime data values from the list below.
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2. The port will then transmit the first 75 realtime data values from the list below(simple data set).
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The "A" command data set will not be changed or expanded upon and is maintained for legacy devices.
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Designers of new devices are recommended to use the newer "n" command to enable use of any additonal realtime data available beyond the orignal 75 This command supports.
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Designers of new devices are recommended to use the newer "n" command to enable use of any additonal enhanced realtime data available beyond the orignal 75 This command supports.
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- **Send an "n"**
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If you send an "n" to the Serial port it will reply with,
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1. A "n" confirming the received instruction (sent as 0x6E in hex (110 in DEC) ).
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2. A single hex byte ,this value is the type of "n" command about to be sent. In this case the value is 0x32 in Hex.
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3. A single hex byte , this value is the number of data bytes the port will be transmitting next as part ofthe command. At the time of writing (23/02/2020) this is 0x4B (75 dec)
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3. A single hex byte , this value is the number of data bytes the port will be transmitting next as part ofthe command. At the time of writing (09/07/2021) this is 0x77 (119 dec)
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4. The port will now transmit the realtime data.
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- **Send an "r"**
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@ -107,13 +109,15 @@ BIT 0 - currentStatus.secl
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` secl is simply a counter that increments each second`
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1 - currentStatus.squirt
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1 - currentStatus.status1
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` Squirt Bitfield`
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` Status1 Bitfield(was squirt)`
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` inj1Status(0), inj2Status(1),inj3Status(2), inj4Status(3), DFCOOn(4), boostCutFuel(5), toothLog1Ready(6), toothLog2Ready(7)`
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2 - currentStatus.engine
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` Engine Status Bitfield`
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` running(0), crank(1), ase(2), warmup(3), tpsacden(5), mapaccden(7)`
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3 - (byte)(divu100(currentStatus.dwell))
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@ -226,6 +230,7 @@ BIT 0 - currentStatus.secl
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31 - currentStatus.spark
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` Spark related bitfield`
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` launchHard(0), launchSoft(1), hardLimitOn(2), softLimitOn(3), boostCutSpark(4), error(5), idleControlOn(6), sync(7) `
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32 - lowByte(currentStatus.rpmDOT)
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@ -254,6 +259,7 @@ BIT 0 - currentStatus.secl
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38 - currentStatus.testOutputs
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` testoutputs bitfield`
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` testEnabled(0), testActive(1)`
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39 - currentStatus.O2_2
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@ -325,7 +331,7 @@ BIT 0 - currentStatus.secl
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71 - lowByte(currentStatus.canin\[15\]);
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72 - highByte(currentStatus.canin\[15\]);
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72 - highByte(currentStatus.canin\[15\])
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73 - currentStatus.tpsADC
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@ -334,6 +340,116 @@ BIT 0 - currentStatus.secl
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74 - getNextError()
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` Error codes`
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` errorNum(0:1), currentError(2:7)`
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75 - currentStatus.launchCorrection
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76 - lowByte(currentStatus.PW2)
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` Pulsewidth 2 multiplied by 10 in ms. Have to convert from uS to mS.`
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77 - highByte(currentStatus.PW2)
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` Pulsewidth 2 multiplied by 10 in ms. Have to convert from uS to mS.`
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78 - lowByte(currentStatus.PW3)
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` Pulsewidth 3 multiplied by 10 in ms. Have to convert from uS to mS.`
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79 - highByte(currentStatus.PW3)
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` Pulsewidth 3 multiplied by 10 in ms. Have to convert from uS to mS.`
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80 - lowByte(currentStatus.PW4)
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` Pulsewidth 4 multiplied by 10 in ms. Have to convert from uS to mS.`
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81 - highByte(currentStatus.PW4)
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` Pulsewidth 4 multiplied by 10 in ms. Have to convert from uS to mS.`
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82 - currentStatus.status3
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` resentLockOn(0), nitrousOn(1), fuel2Active(2), vssRefresh(3), halfSync(4), nSquirts(6:7)`
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83 - currentStatus.engineProtectStatus
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` RPM(0), MAP(1), OIL(2), AFR(3), Unused(4:7)`
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84 - lowByte(currentStatus.fuelLoad)
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85 - highByte(currentStatus.fuelLoad)
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86 - lowByte(currentStatus.ignLoad)
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87 - highByte(currentStatus.ignLoad)
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88 - lowByte(currentStatus.injAngle)
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89 - highByte(currentStatus.injAngle)
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90 - currentStatus.idleDuty
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91 - currentStatus.CLIdleTarget
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` closed loop idle target`
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92 - currentStatus.mapDOT
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`rate of change of the map`
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93 - (int8_t)currentStatus.vvt1Angle
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94 - currentStatus.vvt1TargetAngle
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95 - currentStatus.vvt1Duty
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96 - lowByte(currentStatus.flexBoostCorrection)
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97 - highByte(currentStatus.flexBoostCorrection)
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98 - currentStatus.baroCorrection
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99 - currentStatus.ASEValue
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`Current ASE (%)`
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100 - lowByte(currentStatus.vss)
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` lowByte of speed reading from the speed sensor`
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101 - highByte(currentStatus.vss)
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` highByte of speed reading from the speed sensor`
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102 - currentStatus.gear
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103 - currentStatus.fuelPressure
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104 - currentStatus.oilPressure
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105 - currentStatus.wmiPW
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106 - currentStatus.status4
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` wmiEmptyBit(0), vvt1Error(1), vvt2Error(2), UnusedBits(3:7)`
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107 - (int8_t)currentStatus.vvt2Angle
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108 - currentStatus.vvt2TargetAngle
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109 - currentStatus.vvt2Duty
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110 - currentStatus.outputsStatus
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111 - (byte)(currentStatus.fuelTemp + CALIBRATION_TEMPERATURE_OFFSET)
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` Fuel temperature from flex sensor`
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112 - currentStatus.fuelTempCorrection
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` Fuel temperature Correction (%)`
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113 - currentStatus.VE1
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` VE 1 (%)`
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114 - currentStatus.VE2
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` VE 2 (%)`
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115 - currentStatus.advance1
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` advance 1`
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116 - currentStatus.advance2
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` advance 2`
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117 - currentStatus.nitrous_status
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118 - currentStatus.TS_SD_Status
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` SD card status`
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### Read external analog data from a remote device
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