37 lines
955 B
C++
37 lines
955 B
C++
#include "acc_mc33810.h"
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#include "globals.h"
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#include <SPI.h>
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void initMC33810()
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{
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//Set the output states of both ICs to be off to fuel and ignition
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mc33810_1_requestedState = 0;
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mc33810_2_requestedState = 0;
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mc33810_1_returnState = 0;
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mc33810_2_returnState = 0;
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pinMode(pinMC33810_1_CS, OUTPUT);
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pinMode(pinMC33810_2_CS, OUTPUT);
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SPI.begin();
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//These are the SPI settings per the datasheet
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SPI.beginTransaction(SPISettings(6000000, MSBFIRST, SPI_MODE0));
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//Set the ignition outputs to GPGD mode
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/*
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0001 = Mode select command
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1111 = Set all 1 GD[0...3] outputs to use GPGD mode
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00000000 = All remaining values are unused (For us)
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*/
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//uint16_t cmd = 0b000111110000;
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uint16_t cmd = 0b0001111100000000;
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//IC1
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MC33810_1_ACTIVE();
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SPI.transfer16(cmd);
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MC33810_1_INACTIVE();
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//IC2
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MC33810_2_ACTIVE();
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SPI.transfer16(cmd);
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MC33810_2_INACTIVE();
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} |