mc33810.h

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/*
 * mc33810.h
 *
 * Automotive Engine Control IC
 *
 * @date Dec 29, 2018
 * @author Andrey Belomutskiy, (c) 2012-2020
 *
 * @date Jan 03, 2020
 * @author Andrey Gusakov <dron0gus@gmail.com>, (c) 2020
 */
 
#pragma once
 
#include "efifeatures.h"
#include <hal.h>
#include "rusefi_types.h"
 
#define MC33810_INJ_OUTPUTS         4
#define MC33810_IGN_OUTPUTS         4
 
#define MC33810_OUTPUTS             (MC33810_INJ_OUTPUTS + MC33810_IGN_OUTPUTS)
#define MC33810_DIRECT_OUTPUTS      MC33810_OUTPUTS
 
/* TODO: add irq support */
#define MC33810_POLL_INTERVAL_MS    100
 
struct mc33810_config {
#if HAL_USE_SPI
    SPIDriver   *spi_bus;
    SPIConfig   spi_config;
#endif
    /* First 4 is injector drivers, then 4 ignition pre-drivers */
    struct {
        ioportid_t      port;
        uint_fast8_t    pad;
    } direct_io[MC33810_DIRECT_OUTPUTS];
    struct {
        ioportid_t      port;
        uint_fast8_t    pad;
    } en;
    /* See datasheet:
     * "To avoid any spurious data, it is essential the high-to-low and low-to-high
     * transitions of the CS signal occur only when SCLK is in a logic low state."
     * If sck.port != null, driver will wait until SCLK goes low before releasing CS
     * at the end of each transaction.
     * STM32 driver/hw is known to affected by this issue */
    struct {
        ioportid_t      port;
        uint_fast8_t    pad;
    } sck;
 
    /* TODO: fix mix of port+pad vs brain_pin_e */
    /* Spark duration signal input, active low */
    brain_pin_e         spkdur;
    /* Nominal ignition coil current flag signal input */
    brain_pin_e         nomi;
    /* Maximum ignition coil current flag signal input */
    brain_pin_e         maxi;
};
 
int mc33810_add(brain_pin_e base, unsigned int index, const mc33810_config *cfg);
 
struct mc33810_state_s;
const mc33810_state_s* mc33810getLiveData(size_t idx);
 
/* debug */
void mc33810_req_init();
int getMc33810maxDwellTimer(mc33810maxDwellTimer_e value);