#include?
#include?
#include?
#include?
#include?

#include?“TSL2561.h“

TSL2561::TSL2561（uint8_t?addr）?{
??_addr?=?addr;
??_initialized?=?false;
??_integration?=?TSL2561_INTEGRATIONTIME_13MS;
??_gain?=?TSL2561_GAIN_16X;

??//?we?cant?do?wire?initialization?till?later?because?we?havent?loaded?Wire?yet
}

boolean?TSL2561::begin（void）?{
??Wire.begin（）;

?//?Initialise?I2C
??Wire.beginTransmission（_addr）;
??Wire.send（TSL2561_REGISTER_ID）;
??Wire.endTransmission（）;
??Wire.requestFrom（_addr?1）;
??int?x?=?Wire.receive（）;
??//Serial.print（“0x“）;?Serial.println（x?HEX）;
??if?（x?&?0x0A?）?{
????//Serial.println（“Found?TSL2561“）;
??}?else?{
????return?false;
??}
??_initialized?=?true;

??//?Set?default?integration?time?and?gain
??setTiming（_integration）;
??setGain（_gain）;
??//?Note:?by?default?the?device?is?in?power?down?mode?on?bootup
??disable（）;

??return?true;
}

void?TSL2561::enable（void）
{
??if?（!_initialized）?begin（）;

??//?Enable?the?device?by?setting?the?control?bit?to?0x03
??write8（TSL2561_COMMAND_BIT?|?TSL2561_REGISTER_CONTROL?TSL2561_CONTROL_POWERON）;
}

void?TSL2561::disable（void）
{
??if?（!_initialized）?begin（）;

??//?Disable?the?device?by?setting?the?control?bit?to?0x03
??write8（TSL2561_COMMAND_BIT?|?TSL2561_REGISTER_CONTROL?TSL2561_CONTROL_POWEROFF）;
}


void?TSL2561::setGain（tsl2561Gain_t?gain）?{
??if?（!_initialized）?begin（）;

??enable（）;
??_gain?=?gain;
??write8（TSL2561_COMMAND_BIT?|?TSL2561_REGISTER_TIMING?_integration?|?_gain）;??
??disable（）;
}

void?TSL2561::setTiming（tsl2561IntegrationTime_t?integration）
{
??if?（!_initialized）?begin（）;

??enable（）;
??_integration?=?integration;
??write8（TSL2561_COMMAND_BIT?|?TSL2561_REGISTER_TIMING?_integration?|?_gain）;??
??disable（）;
}

uint32_t?TSL2561::calculateLux（uint16_t?ch0?uint16_t?ch1）
{
??unsigned?long?chScale;
??unsigned?long?channel1;
??unsigned?long?channel0;

??switch?（_integration）
??{
????case?TSL2561_INTEGRATIONTIME_13MS:
??????chScale?=?TSL2561_LUX_CHSCALE_TINT0;
??????break;
????case?TSL2561_INTEGRATIONTIME_101MS:
??????chScale?=?TSL2561_LUX_CHSCALE_TINT1;
??????break;
????default:?//?No?scaling?...?integration?time?=?402ms
??????chScale?=?（1?<??????break;
??}

??//?Scale?for?gain?（1x?or?16x）
??if?（!_gain）?chScale?=?chScale?<
??//?scale?the?channel?values
??channel0?=?（ch0?*?chScale）?>>?TSL2561_LUX_CHSCALE;
??channel1?=?（ch1?*?chScale）?>>?TSL2561_LUX_CHSCALE;

??//?find?the?ratio?of?the?channel?values?（Channel1/Channel0）
??unsigned?long?ratio1?=?0;
??if?（channel0?!=?0）?ratio1?=?（channel1?<
??//?round?the?ratio?value
??unsigned?long?ratio?=?（ratio1?+?1）?>>?1;

??unsigned?int?b?m;

#ifdef?TSL2561_PACKAGE_CS
??if?（（ratio?>=?0）?&&?（ratio?<=?TSL2561_LUX_K1C））
????{b=TSL2561_LUX_B1C;?m=TSL2561_LUX_M1C;}
??else?if?（ratio?<=?TSL2561_LUX_K2

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2468??2011-08-30?08:03??TSL2561\examples\tsl2561\tsl2561.pde

?????文件???????6169??2012-12-23?22:09??TSL2561\TSL2561.cpp

?????文件???????6242??2012-12-23?22:08??TSL2561\TSL2561.h

?????目錄??????????0??2012-05-01?12:33??TSL2561\examples\tsl2561

?????目錄??????????0??2012-05-01?12:33??TSL2561\examples

?????目錄??????????0??2003-01-02?17:25??TSL2561

-----------?---------??----------?-----??----

????????????????14879????????????????????6