/********************************************************************************
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* Copyright: (C) 2019 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: tsl2561.h
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* Description: This head file is the Lux sensor TSL2561 API functions on RaspberryPi
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*
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* Version: 1.0.0(04/07/19)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "04/07/19 17:42:35"
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*
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********************************************************************************/
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#ifndef _TSL2561_H_
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#define _TSL2561_H_
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#define TSL2561_I2C_ADDR 0x39
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#define CONTROL_REG 0x80
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#define REG_COUNT 4
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#define POWER_UP 0x03
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#define POWER_DOWN 0x00
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/* Register Address */
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enum
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{
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/* Channel_0 = DATA0HIGH<<8 + DATA0LOW */
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DATA0LOW = 0x8C,
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DATA0HIGH,
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/* Channel_1 = DATA1HIGH<<8 + DATA1LOW */
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DATA1LOW,
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DATA1HIGH,
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};
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extern int tsl2561_init(void);
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extern void tsl2561_term(void);
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extern float tsl2561_get_lux(void);
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#endif /* ----- #ifndef _TSL2561_H_ ----- */
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