mirror of https://github.com/speeduino/wiki.js.git
docs: update reference/Interface_Protocol
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dazq
Josh Stewart
parent
23d5da569a
commit
baf3a97701
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@ -2,7 +2,7 @@
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title: Interface Protocols
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description:
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published: true
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date: 2021-07-29T20:02:53.848Z
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date: 2021-07-29T21:17:41.433Z
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tags:
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editor: markdown
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dateCreated: 2021-07-29T18:45:18.652Z
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@ -42,13 +42,298 @@ The format to send is
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xxxx
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#### 'A' Command
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This returns the current realtime data.
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This returns all the current realtime data(120 bytes 29/07/2021).
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The data value list speeduino replies with can be seen below , along with their function.ONLY the data value is sent NOT its order number or description.
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The Format to send is
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'A'
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- Speeduino replies with
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xxxx
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Speeduino replies with
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0. currentStatus.secl
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//secl is simply a counter that increments each second. Used to track unexpected resets (Which will reset this count to 0)
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1. currentStatus.status1
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//status1 Bitfield
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2. currentStatus.engine
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//Engine Status Bitfield
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3. currentStatus.syncLossCounter
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4. lowByte(currentStatus.MAP)
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5. highByte(currentStatus.MAP)
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6. (byte)(currentStatus.IAT + CALIBRATION_TEMPERATURE_OFFSET)
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//mat
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7. (byte)(currentStatus.coolant + CALIBRATION_TEMPERATURE_OFFSET)
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//Coolant ADC
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8. currentStatus.batCorrection
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//Battery voltage correction (%)
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9. currentStatus.battery10
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//battery voltage
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10. currentStatus.O2
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//O2
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11. currentStatus.egoCorrection
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//Exhaust gas correction (%)
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12. currentStatus.iatCorrection
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//Air temperature Correction (%)
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13. currentStatus.wueCorrection
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//Warmup enrichment (%)
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14. lowByte(currentStatus.RPM)
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//rpm HB
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15. highByte(currentStatus.RPM)
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//rpm LB
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16. (byte)(currentStatus.AEamount >> 1)
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//TPS acceleration enrichment (%) divided by 2 (Can exceed 255)
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17. lowByte(currentStatus.corrections)
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//Total GammaE (%)
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18. highByte(currentStatus.corrections)
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//Total GammaE (%)
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19. currentStatus.VE1
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//VE 1 (%)
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20. currentStatus.VE2
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//VE 2 (%)
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21. currentStatus.afrTarget
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22. currentStatus.tpsDOT
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//TPS DOT
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23. currentStatus.advance
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24. currentStatus.TPS
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// TPS (0% to 100%)
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25. lowByte(currentStatus.loopsPerSecond)
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26. highByte(currentStatus.loopsPerSecond)
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27. lowByte(currentStatus.freeRAM)
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28. highByte(currentStatus.freeRAM)
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29. (byte)(currentStatus.boostTarget >> 1
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//Divide boost target by 2 to fit in a byte
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30. (byte)(currentStatus.boostDuty / 100)
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31. currentStatus.spark
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//Spark related bitfield
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32. lowByte(currentStatus.rpmDOT)
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// rpmDOT must be sent as a signed integer
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33. highByte(currentStatus.rpmDOT)
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34. currentStatus.ethanolPct
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// Flex sensor value (or 0 if not used)
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35. currentStatus.flexCorrection
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// Flex fuel correction (% above or below 100)
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36. currentStatus.flexIgnCorrection
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//Ignition correction (Increased degrees of advance) for flex fuel
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37. currentStatus.idleLoad
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38. currentStatus.testOutputs
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39. currentStatus.O2_2
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//O2
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40. currentStatus.baro
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//Barometer value
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41. lowByte(currentStatus.canin[0])
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42. highByte(currentStatus.canin[0])
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43. lowByte(currentStatus.canin[1])
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44. highByte(currentStatus.canin[1])
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45. lowByte(currentStatus.canin[2])
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46. highByte(currentStatus.canin[2])
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47. lowByte(currentStatus.canin[3])
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48. highByte(currentStatus.canin[3])
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49. lowByte(currentStatus.canin[4])
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50. highByte(currentStatus.canin[4])
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51. lowByte(currentStatus.canin[5])
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52. highByte(currentStatus.canin[5])
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53. lowByte(currentStatus.canin[6])
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54. highByte(currentStatus.canin[6])
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55. lowByte(currentStatus.canin[7])
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56. highByte(currentStatus.canin[7])
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57. lowByte(currentStatus.canin[8])
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58. highByte(currentStatus.canin[8])
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59. lowByte(currentStatus.canin[9])
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60. highByte(currentStatus.canin[9])
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61. lowByte(currentStatus.canin[10])
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62. highByte(currentStatus.canin[10])
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63. lowByte(currentStatus.canin[11])
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64. highByte(currentStatus.canin[11])
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65. lowByte(currentStatus.canin[12])
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66. highByte(currentStatus.canin[12])
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67. lowByte(currentStatus.canin[13])
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68. highByte(currentStatus.canin[13])
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69. lowByte(currentStatus.canin[14])
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70. highByte(currentStatus.canin[14])
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71. lowByte(currentStatus.canin[15])
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72. highByte(currentStatus.canin[15])
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73. currentStatus.tpsADC
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74. getNextError()
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75. lowByte(currentStatus.PW1)
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//Pulsewidth 1 multiplied by 10 in ms. Have to convert from uS to mS.
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76. highByte(currentStatus.PW1)
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//Pulsewidth 1 multiplied by 10 in ms. Have to convert from uS to mS.
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77. 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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78. 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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79. 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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80. 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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81. 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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82. 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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83. currentStatus.status3
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84. currentStatus.engineProtectStatus
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85. lowByte(currentStatus.fuelLoad)
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86. highByte(currentStatus.fuelLoad)
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87. lowByte(currentStatus.ignLoad)
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88. highByte(currentStatus.ignLoad)
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89. lowByte(currentStatus.dwell)
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90. highByte(currentStatus.dwell)
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91. currentStatus.CLIdleTarget
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92. currentStatus.mapDOT
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93. lowByte(currentStatus.vvt1Angle)
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//2 bytes for vvt1Angle
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94. highByte(currentStatus.vvt1Angle)
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95. currentStatus.vvt1TargetAngle; break;
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96. (byte)(currentStatus.vvt1Duty); break;
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97. lowByte(currentStatus.flexBoostCorrection)
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98. highByte(currentStatus.flexBoostCorrection)
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99. currentStatus.baroCorrection; break;
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100. currentStatus.VE
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//Current VE (%). Can be equal to VE1 or VE2 or a calculated value from both of them
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101. currentStatus.ASEValue
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//Current ASE (%)
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102. lowByte(currentStatus.vss)
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103. highByte(currentStatus.vss)
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104. currentStatus.gear
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105. currentStatus.fuelPressure
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106. currentStatus.oilPressure
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107. currentStatus.wmiPW
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108. currentStatus.status4
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109. lowByte(currentStatus.vvt2Angle)
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110. highByte(currentStatus.vvt2Angle)
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111. currentStatus.vvt2TargetAngle
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112. (byte)(currentStatus.vvt2Duty)
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113. currentStatus.outputsStatus
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114. (byte)(currentStatus.fuelTemp + CALIBRATION_TEMPERATURE_OFFSET)
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//Fuel temperature from flex sensor
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115. currentStatus.fuelTempCorrection
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//Fuel temperature Correction (%)
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116. currentStatus.advance1
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//advance 1 (%)
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117. currentStatus.advance2
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//advance 2 (%)
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118. currentStatus.TS_SD_Status
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//SD card status
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119. lowByte(currentStatus.EMAP)
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120. highByte(currentStatus.EMAP)
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#### 'b' Command
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New EEPROM burn command to only burn a single page at a time
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@ -76,9 +361,16 @@ Speeduino response
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#### 'd' Command
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Send a CRC32 hash of a given page
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The Format to send is
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'd'
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Speeduino response
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#### 'E' Command
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receive command button commands
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The Format to send is
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'E'
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Speeduino response
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#### 'F' Command
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send serial protocol version
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@ -184,29 +476,35 @@ receive new VE or constant
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Send the 256 tooth log entries to a terminal emulator
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#### '?' Command
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"===Command Help==="
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"All commands are single character and are concatenated with their parameters"
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"without spaces."
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"Syntax: command , parameter1 , parameter2 , parameterN , " "===List of Commands==="
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"A - Displays 31 bytes of currentStatus values in binary (live data)\n"
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"B - Burn current map and configPage values to eeprom\n"
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"C - Test COM port. Used by Tunerstudio to see whether an ECU is on a given serial "
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" port. Returns a binary number."
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"N - Print new line."
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"P - Set current page. Syntax: P , pageNumber "
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"R - Same as A command"
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"S - Display signature number"
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"Q - Same as S command"
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"V - Display map or configPage values in binary"
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"W - Set one byte in map or configPage. Expects binary parameters. "
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" Syntax: W+<offset , newbyte "
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"t - Set calibration values. Expects binary parameters. Table index is either 0, \n"
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" 1, or 2. Syntax: t+ , tble_idx , newValue1 , newValue2 , newValueN \n"
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"Z - Display calibration values\n"
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"T - Displays 256 tooth log entries in binary\n"
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"r - Displays 256 tooth log entries\n"
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"U - Prepare for firmware update. The next byte received will cause the Arduino to reset.\n"
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"? - Displays this help page"
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This will send out a human text readable string with details of the command characters and their functions.
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The Format to send is
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'?'
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Speeduino response
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===Command Help===
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All commands are single character and are concatenated with their parameters without spaces.
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Syntax: command , parameter1 , parameter2 , parameterN
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===List of Commands===
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A - Displays 31 bytes of currentStatus values in binary (live data)
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B - Burn current map and configPage values to eeprom
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C - Test COM port. Used by Tunerstudio to see whether an ECU is on a given serial port. Returns a binary number.
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N - Print new line.
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P - Set current page. Syntax: P , pageNumber
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R - Same as A command
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S - Display signature number
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Q - Same as S command
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V - Display map or configPage values in binary
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W - Set one byte in map or configPage. Expects binary parameters.
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Syntax: W+<offset , newbyte
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t - Set calibration values. Expects binary parameters. Table index is either 0, 1, or 2.
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Syntax: t+ , tble_idx , newValue1 , newValue2 , newValueN
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Z - Display calibration values
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T - Displays 256 tooth log entries in binary
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r - Displays 256 tooth log entries
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U - Prepare for firmware update. The next byte received will cause the Arduino to reset.
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? - Displays this help page
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## 2. Secondary Serial
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The Secondary Serial interface enables an external device to access data from Speeduino or to expand the io of the Speeduino ECU.
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A full explanation of the features and operation of secondary serial can be found here. [Secondary_Serial_IO_interface](/en/Secondary_Serial_IO_interface)
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