57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/*
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* Part of esp-open-rtos
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* Copyright (C) 2016 Brian Schwind (https://github.com/bschwind)
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* BSD Licensed as described in the file LICENSE
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*/
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#ifndef __TSL2561_H__
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#define __TSL2561_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include <i2c/i2c.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// I2C Addresses
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typedef enum
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{
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TSL2561_I2C_ADDR_VCC = 0x49,
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TSL2561_I2C_ADDR_GND = 0x29,
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TSL2561_I2C_ADDR_FLOAT = 0x39 // Default
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} tsl2561_i2c_addr_t;
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// Integration time IDs
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typedef enum
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{
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TSL2561_INTEGRATION_13MS = 0x00,
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TSL2561_INTEGRATION_101MS = 0x01,
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TSL2561_INTEGRATION_402MS = 0x02 // Default
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} tsl2561_integration_time_t;
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// Gain IDs
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typedef enum
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{
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TSL2561_GAIN_1X = 0x00, // Default
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TSL2561_GAIN_16X = 0x10
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} tsl2561_gain_t;
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typedef struct {
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i2c_dev_t i2c_dev;
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uint8_t integration_time;
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uint8_t gain;
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uint8_t package_type;
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} tsl2561_t;
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void tsl2561_init(tsl2561_t *device);
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void tsl2561_set_integration_time(tsl2561_t *device, tsl2561_integration_time_t integration_time_id);
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void tsl2561_set_gain(tsl2561_t *device, tsl2561_gain_t gain);
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bool tsl2561_read_lux(tsl2561_t *device, uint32_t *lux);
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#ifdef __cplusplus
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}
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#endif
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#endif // __TSL2561_H__
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