adt7310.h

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/*
 * Copyright (C) 2015 Eistec AB
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#include <stdint.h>
#include <stdbool.h>
#include "periph/spi.h"
#include "periph/gpio.h"
 
#ifdef __cplusplus
extern "C"
{
#endif
 
typedef struct {
    spi_t spi;              
    spi_clk_t clk;          
    gpio_t cs;              
    bool initialized;       
    bool high_res;          
} adt7310_t;
 
#define ADT7310_CONF_FAULT_QUEUE_MASK  (0x03)
#define ADT7310_CONF_FAULT_QUEUE_SHIFT (0)
#define ADT7310_CONF_FAULT_QUEUE(x) (((x) << ADT7310_CONF_FAULT_QUEUE_SHIFT) & ADT7310_CONF_FAULT_QUEUE_MASK)
#define ADT7310_CONF_CT_POL_MASK  (0x04)
#define ADT7310_CONF_CT_POL_SHIFT (2)
#define ADT7310_CONF_CT_POL(x) (((x) << ADT7310_CONF_CT_POL_SHIFT) & ADT7310_CONF_CT_POL_MASK)
#define ADT7310_CONF_INT_POL_MASK  (0x08)
#define ADT7310_CONF_INT_POL_SHIFT (3)
#define ADT7310_CONF_INT_POL(x) (((x) << ADT7310_CONF_INT_POL_SHIFT) & ADT7310_CONF_INT_POL_MASK)
#define ADT7310_CONF_INTCT_MODE_MASK  (0x10)
#define ADT7310_CONF_INTCT_MODE_SHIFT (4)
#define ADT7310_CONF_INTCT_MODE(x) (((x) << ADT7310_CONF_INTCT_MODE_SHIFT) & ADT7310_CONF_INTCT_MODE_MASK)
#define ADT7310_CONF_OPERATION_MODE_MASK  (0x60)
#define ADT7310_CONF_OPERATION_MODE_SHIFT (5)
#define ADT7310_CONF_OPERATION_MODE(x) (((x) << ADT7310_CONF_OPERATION_MODE_SHIFT) & ADT7310_CONF_OPERATION_MODE_MASK)
#define ADT7310_CONF_RESOLUTION_MASK  (0x80)
#define ADT7310_CONF_RESOLUTION_SHIFT (7)
#define ADT7310_CONF_RESOLUTION(x) (((x) << ADT7310_CONF_RESOLUTION_SHIFT) & ADT7310_CONF_RESOLUTION_MASK)
 
#define ADT7310_MODE_CONTINUOUS (ADT7310_CONF_OPERATION_MODE(0))
#define ADT7310_MODE_ONE_SHOT   (ADT7310_CONF_OPERATION_MODE(1))
#define ADT7310_MODE_1SPS       (ADT7310_CONF_OPERATION_MODE(2))
#define ADT7310_MODE_SHUTDOWN   (ADT7310_CONF_OPERATION_MODE(3))
int adt7310_set_config(adt7310_t *dev, uint8_t config);
 
int adt7310_init(adt7310_t *dev, spi_t spi, spi_clk_t clk, gpio_t cs);
 
int16_t adt7310_read_raw(const adt7310_t *dev);
 
int32_t adt7310_read(const adt7310_t *dev);
 
float adt7310_read_float(const adt7310_t *dev);
 
#ifdef __cplusplus
}
#endif