isl29125.h

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/*
 * Copyright 2015 Ludwig Knüpfer
 * Copyright 2017 HAW Hamburg
 *
 * 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 "periph/i2c.h"
#include "periph/gpio.h"
#include "color.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    float red;              
    float green;            
    float blue;             
} isl29125_rgb_t;
 
typedef enum {
    ISL29125_MODE_DOWN = 0x00,      
    ISL29125_MODE_STANDBY = 0x04,   
    ISL29125_MODE_RGB = 0x05,       
    ISL29125_MODE_R = 0x02,         
    ISL29125_MODE_G = 0x01,         
    ISL29125_MODE_B = 0x03,         
    ISL29125_MODE_RG = 0x06,        
    ISL29125_MODE_GB = 0x07         
} isl29125_mode_t;
 
typedef enum {
    ISL29125_RANGE_375 = 0x00,      
    ISL29125_RANGE_10K = 0x08       
} isl29125_range_t;
 
typedef enum {
    ISL29125_RESOLUTION_12 = 0x10,  
    ISL29125_RESOLUTION_16 = 0x00   
} isl29125_resolution_t;
 
typedef struct {
    i2c_t i2c;                      
    gpio_t gpio;                    
    isl29125_range_t range;         
    isl29125_mode_t mode;           
    isl29125_resolution_t res;      
} isl29125_params_t;
 
typedef struct {
    isl29125_params_t params;       
} isl29125_t;
 
typedef enum {
    ISL29125_INTERRUPT_STATUS_NONE = 0x00,      
    ISL29125_INTERRUPT_STATUS_GREEN = 0x01,     
    ISL29125_INTERRUPT_STATUS_RED = 0x02,       
    ISL29125_INTERRUPT_STATUS_BLUE = 0x03       
} isl29125_interrupt_status_t;
 
typedef enum {
    ISL29125_INTERRUPT_PERSIST_1 = (0x00 << 2), 
    ISL29125_INTERRUPT_PERSIST_2 = (0x01 << 2), 
    ISL29125_INTERRUPT_PERSIST_4 = (0x02 << 2), 
    ISL29125_INTERRUPT_PERSIST_8 = (0x03 << 2)  
} isl29125_interrupt_persist_t;
 
typedef enum {
    ISL29125_INTERRUPT_CONV_DIS = (0x0 << 4),   
    ISL29125_INTERRUPT_CONV_EN = (0x1 << 4),    
} isl29125_interrupt_conven_t;
 
int isl29125_init(isl29125_t *dev, const isl29125_params_t *params);
 
int isl29125_init_int(isl29125_t *dev, isl29125_interrupt_status_t interrupt_status,
                      isl29125_interrupt_persist_t interrupt_persist,
                      isl29125_interrupt_conven_t interrupt_conven,
                      uint16_t lower_threshold, uint16_t higher_threshold,
                      gpio_cb_t cb, void *arg);
 
void isl29125_read_rgb_lux(const isl29125_t *dev, isl29125_rgb_t *dest);
 
void isl29125_read_rgb_color(const isl29125_t *dev, color_rgb_t *dest);
 
void isl29125_set_mode(const isl29125_t *dev, isl29125_mode_t mode);
 
int isl29125_read_irq_status(const isl29125_t *dev);
 
#ifdef __cplusplus
}
#endif