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NB2 MAF

This commit is contained in:
rusefi 2020-05-12 23:37:30 -04:00
parent bdb93db70d
commit 28d362d904
1 changed files with 39 additions and 2 deletions
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41
firmware/config/engines/mazda_miata_vvt.cpp
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@ -168,6 +168,8 @@ static const ignition_table_t mapBased18vvtTimingTable = {
}; };
#endif #endif
/*
#define MAF_TRANSFER_SIZE 8 #define MAF_TRANSFER_SIZE 8
static const float mafTransferVolts[MAF_TRANSFER_SIZE] = {1.365, static const float mafTransferVolts[MAF_TRANSFER_SIZE] = {1.365,
@ -180,6 +182,9 @@ static const float mafTransferVolts[MAF_TRANSFER_SIZE] = {1.365,
4.011, 4.011,
}; };
according to internet this should be the Miata NB transfer function but in reality it seems off
this could be related to us not using proper signal conditioning hardware
static const float mafTransferKgH[MAF_TRANSFER_SIZE] = { static const float mafTransferKgH[MAF_TRANSFER_SIZE] = {
0, 0,
3.9456, 3.9456,
@ -191,6 +196,39 @@ static const float mafTransferKgH[MAF_TRANSFER_SIZE] = {
594.2772 594.2772
}; };
*/
#define MAF_TRANSFER_SIZE 10
// this transfer function somehow works with 1K pull-down
static const float mafTransferVolts[MAF_TRANSFER_SIZE] = {
0.50,
0.87,
1.07,
1.53,
1.85,
2.11,
2.46,
3.00,
3.51,
4.50
};
static const float mafTransferKgH[MAF_TRANSFER_SIZE] = {
0.00,
0.00,
1.00,
3.00,
8.00,
19.00,
45.00,
100.00,
175.00,
350.00
};
static void setMAFTransferFunction(DECLARE_CONFIG_PARAMETER_SIGNATURE) { static void setMAFTransferFunction(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
memcpy(config->mafDecoding, mafTransferKgH, sizeof(mafTransferKgH)); memcpy(config->mafDecoding, mafTransferKgH, sizeof(mafTransferKgH));
memcpy(config->mafDecodingBins, mafTransferVolts, sizeof(mafTransferVolts)); memcpy(config->mafDecodingBins, mafTransferVolts, sizeof(mafTransferVolts));
@ -634,8 +672,7 @@ void setMiataNB2_MRE_MTB(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
setMiataNB2_MRE_common(PASS_CONFIG_PARAMETER_SIGNATURE); setMiataNB2_MRE_common(PASS_CONFIG_PARAMETER_SIGNATURE);
// somehow MRE72 adapter 0.2 has TPS routed to pin 26? // somehow MRE72 adapter 0.2 has TPS routed to pin 26?
engineConfiguration->tps1_1AdcChannel = EFI_ADC_6; // PA6
engineConfiguration->tps1_1AdcChannel = EFI_ADC_13;
// 1K pull-down to read current from this MAF // 1K pull-down to read current from this MAF