mc33972.h

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/*
 * mc33972.h
 *
 * Multiple Switch Detection Interface with Suppressed Wake-up
 *
 * @date Apr 07, 2019
 * @author Andrey Gusakov <dron0gus@gmail.com>, (c) 2019
 */
 
#pragma once
 
#include <hal.h>
#include "efifeatures.h"
 
#define MC33972_INPUTS              22
 
/* TODO: add irq support */
#define MC33972_POLL_INTERVAL_MS    100
 
struct mc33972_config {
#if HAL_USE_SPI
    SPIDriver       *spi_bus;
    SPIConfig   spi_config;
#endif
};
 
int mc33972_add(brain_pin_e base, unsigned int index, const struct mc33972_config *cfg);