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GDI/HPFP: Set HPFP current/timing params on MC33816 (#3736)

This commit is contained in:
Scott Smith 2022-01-02 22:46:00 -08:00 committed by GitHub
parent dc1996f9b0
commit 5e5750a5d5
2 changed files with 28 additions and 10 deletions
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14
firmware/hw_layer/mc33816.cpp
View File

@ -172,6 +172,20 @@ static void setTimings() {
mcUpdateDram(MC33816Mem::Tbypass, (MC_CK * engineConfiguration->mc33_t_bypass));
mcUpdateDram(MC33816Mem::Thold_off, (MC_CK * engineConfiguration->mc33_t_hold_off));
mcUpdateDram(MC33816Mem::Thold_tot, (MC_CK * engineConfiguration->mc33_t_hold_tot));
// HPFP solenoid settings
mcUpdateDram(MC33816Mem::HPFP_Ipeak,
dacEquation(engineConfiguration->mc33_hpfp_i_peak * 100));
mcUpdateDram(MC33816Mem::HPFP_Ihold,
dacEquation(engineConfiguration->mc33_hpfp_i_hold * 100));
mcUpdateDram(MC33816Mem::HPFP_Thold_off,
std::min(MC_CK * engineConfiguration->mc33_hpfp_i_hold_off,
UINT16_MAX));
// Note, if I'm reading this right, the use of the short and the given clock speed means
// the max time here is approx 10ms.
mcUpdateDram(MC33816Mem::HPFP_Thold_tot,
std::min(MC_CK * 1000 * engineConfiguration->mc33_hpfp_max_hold,
UINT16_MAX));
}
void setBoostVoltage(float volts)

24
firmware/hw_layer/mc33816_memory_map.h
View File

@ -2,14 +2,18 @@
typedef enum {
Iboost = 0,
Ipeak = 1,
Ihold = 2,
Tpeak_off = 3,
Tpeak_tot = 4,
Tbypass = 5,
Thold_off = 6,
Thold_tot = 7,
Vboost_high = 64,
Vboost_low = 65,
Isense4_high = 66,
Isense4_low = 67
Ihold = 2,
Tpeak_off = 3,
Tpeak_tot = 4,
Tbypass = 5,
Thold_off = 6,
Thold_tot = 7,
Vboost_high = 64,
Vboost_low = 65,
Isense4_high = 66,
Isense4_low = 67,
HPFP_Ipeak = 69,
HPFP_Ihold = 70,
HPFP_Thold_off = 71,
HPFP_Thold_tot = 72,
} MC33816Mem;