80 lines
1.6 KiB
C++
80 lines
1.6 KiB
C++
/*
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* @file mc33816.cpp
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*
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* The NXP MC33816 is a programmable gate driver IC for precision solenoid control applications.
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*
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* @date May 3, 2019
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* @author Andrey Belomutskiy, (c) 2012-2019
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*/
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#include "global.h"
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#if EFI_MC33816
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#include "mc33816.h"
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#include "engine_configuration.h"
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#include "efi_gpio.h"
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#include "hardware.h"
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EXTERN_CONFIG;
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static OutputPin chipSelect;
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static SPIConfig spiCfg = { .circular = false,
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.end_cb = NULL,
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.ssport = NULL,
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.sspad = 0,
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.cr1 = SPI_CR1_MSTR |
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//SPI_CR1_BR_1 // 5MHz
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SPI_CR1_CPHA | SPI_CR1_BR_0 | SPI_CR1_BR_1 | SPI_CR1_BR_2,
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.cr2 = 0};
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static SPIDriver *driver;
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static void showStats() {
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}
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static void sentByte(int param) {
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spiSelect(driver);
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spiSend(driver, 1, ¶m);
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spiUnselect(driver);
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}
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void initMc33816() {
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// default spi3mosiPin PB5
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// default spi3misoPin PB4
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// default spi3sckPin PB3
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// ideally disable isSdCardEnabled since it's on SPI3
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// uncomment thid to hard-code something
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//CONFIG(mc33816_cs) = GPIOD_7;
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if (CONFIG(mc33816_cs) == GPIO_UNASSIGNED)
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return;
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chipSelect.initPin("mc33 CS", engineConfiguration->mc33816_cs /*, &engineConfiguration->csPinMode*/);
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spiCfg.ssport = getHwPort("hip", CONFIG(mc33816_cs));
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spiCfg.sspad = getHwPin("hip", CONFIG(mc33816_cs));
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// hard-coded for now, just resolve the conflict with SD card!
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engineConfiguration->mc33816spiDevice = SPI_DEVICE_3;
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driver = getSpiDevice(engineConfiguration->mc33816spiDevice);
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if (driver == NULL) {
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// error already reported
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return;
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}
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spiStart(driver, &spiCfg);
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addConsoleAction("mc33_stats", showStats);
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addConsoleActionI("mc33_send", sentByte);
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}
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#endif /* EFI_MC33816 */
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