mirror of
https://github.com/eclipse/upm.git
synced 2025-03-14 20:47:30 +03:00
tsl2561: light to digital sensor tsl2561
Signed-off-by: Nandkishor <nandkishor.sonar@intel.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
parent
fc776ba3a3
commit
e9da4719fb
BIN
docs/images/grovetsl2561.jpeg
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BIN
docs/images/grovetsl2561.jpeg
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After Width: | Height: | Size: 22 KiB |
@ -39,6 +39,7 @@ add_executable (lsm303-example lsm303.cxx)
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add_executable (joystick12-example joystick12-example.cxx)
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add_executable (lol-example lol-example.cxx)
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add_executable (nrf_ble_broadcast-example ble_broadcast.cxx)
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add_executable (tsl2561-example tsl2561.cxx)
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include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
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include_directories (${PROJECT_SOURCE_DIR}/src/grove)
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@ -71,6 +72,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/th02)
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include_directories (${PROJECT_SOURCE_DIR}/src/lsm303)
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include_directories (${PROJECT_SOURCE_DIR}/src/joystick12)
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include_directories (${PROJECT_SOURCE_DIR}/src/lol)
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include_directories (${PROJECT_SOURCE_DIR}/src/tsl2561)
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target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
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@ -113,3 +115,4 @@ target_link_libraries (lsm303-example lsm303 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (joystick12-example joystick12 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (lol-example lol ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (nrf_ble_broadcast-example nrf24l01 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (tsl2561-example tsl2561 ${CMAKE_THREAD_LIBS_INIT})
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65
examples/tsl2561.cxx
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65
examples/tsl2561.cxx
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@ -0,0 +1,65 @@
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/*
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* Author: Nandkishor Sonar <Nandkishor.Sonar@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* LIGHT-TO-DIGITAL CONVERTER [TAOS-TSL2561]
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
|
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* permit persons to whom the Software is furnished to do so, subject to
|
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* the following conditions:
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||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include "tsl2561.h"
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int main (int argc, char **argv)
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{
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mraa_result_t error = MRAA_SUCCESS;
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upm::TSL2561 *sensor = NULL;
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int calculatedLux = 0;
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int loopCount = 100;
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//! [Interesting]
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if (argc < 2) {
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printf("Provide loop count \n");
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} else {
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loopCount = atoi(argv[1]);
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}
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sensor = new upm::TSL2561();
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//sensor = new upm::TSL2561(0, TSL2561_Address, GAIN_16X, INTEGRATION_TIME2_402MS);
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//sensor = new upm::TSL2561(0, TSL2561_Address, GAIN_16X, INTEGRATION_TIME1_101MS);
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//sensor = new upm::TSL2561(0, TSL2561_Address, GAIN_16X, INTEGRATION_TIME0_13MS);
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//sensor = new upm::TSL2561(0, TSL2561_Address, GAIN_0X, INTEGRATION_TIME2_402MS);
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for(int i=0; i< loopCount; i++){
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error = sensor->getLux(calculatedLux);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: on i2c bus address setup in i2cReadReg()\n");
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return error;
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}
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fprintf(stdout, "Lux = %d\n", calculatedLux);
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}
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//! [Interesting]
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delete(sensor);
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return (0);
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}
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5
src/tsl2561/CMakeLists.txt
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5
src/tsl2561/CMakeLists.txt
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set (libname "tsl2561")
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set (libdescription "upm tsl2561")
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set (module_src ${libname}.cxx)
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set (module_h ${libname}.h)
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upm_module_init()
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8
src/tsl2561/jsupm_tsl2561.i
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8
src/tsl2561/jsupm_tsl2561.i
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%module jsupm_tsl2561
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%include "../upm.i"
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%{
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#include "tsl2561.h"
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%}
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%include "tsl2561.h"
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13
src/tsl2561/pyupm_tsl2561.i
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13
src/tsl2561/pyupm_tsl2561.i
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%module pyupm_tsl2561
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%include "../upm.i"
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%feature("autodoc", "3");
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#ifdef DOXYGEN
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%include "tsl2561_doc.i"
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#endif
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%include "tsl2561.h"
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%{
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#include "tsl2561.h"
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%}
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242
src/tsl2561/tsl2561.cxx
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242
src/tsl2561/tsl2561.cxx
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@ -0,0 +1,242 @@
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/*
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* Author: Nandkishor Sonar <Nandkishor.Sonar@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* LIGHT-TO-DIGITAL CONVERTER [TAOS-TSL2561]
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* Inspiration and lux calculation formulas from data sheet
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* URL: http://www.adafruit.com/datasheets/TSL2561.pdf
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
|
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* without limitation the rights to use, copy, modify, merge, publish,
|
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* distribute, sublicense, and/or sell copies of the Software, and to
|
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* permit persons to whom the Software is furnished to do so, subject to
|
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* the following conditions:
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*
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||||
* The above copyright notice and this permission notice shall be
|
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* included in all copies or substantial portions of the Software.
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||||
*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include "tsl2561.h"
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using namespace upm;
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TSL2561::TSL2561(int bus, uint8_t devAddr, uint8_t gain, uint8_t integrationTime) {
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m_controlAddr = devAddr;
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m_bus = bus;
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m_gain = gain ;
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m_integrationTime = integrationTime;
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m_name = "TSL2561- Digital Light Sensor";
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m_i2ControlCtx = mraa_i2c_init(m_bus);
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mraa_result_t error = mraa_i2c_address(m_i2ControlCtx, m_controlAddr);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Messed up i2c bus in TSL2561()\n");
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return;
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}
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// POWER UP.
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error = i2cWriteReg(REGISTER_Control,CONTROL_POWERON);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to power up - Ensure TSL2561 is connected to I2C\n");
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return;
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}
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// Power on Settling time
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usleep(1000);
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// Gain & Integration time .
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error = i2cWriteReg(REGISTER_Timing, m_gain | m_integrationTime);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to set gain/time - Ensure TSL2561 is connected to I2C\n");
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return;
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}
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// Set interrupt threshold to default.
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error = i2cWriteReg(REGISTER_Interrupt,0x00);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to interrupt threshold - Ensure TSL2561 is connected to I2C\n");
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return;
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}
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}
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TSL2561::~TSL2561() {
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// POWER DOWN
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i2cWriteReg(REGISTER_Control,CONTROL_POWEROFF);
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// Stop I2C bus
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mraa_i2c_stop(m_i2ControlCtx);
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}
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mraa_result_t
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TSL2561::getLux(int &lux)
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{
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mraa_result_t error = MRAA_SUCCESS;
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uint16_t rawLuxCh0;
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uint16_t rawLuxCh1;
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uint8_t ch0_low, ch0_high, ch1_low, ch1_high;
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error = i2cReadReg(REGISTER_Channal0L, ch0_low);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to read channel0L in getRawLux()\n");
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return error;
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}
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error = i2cReadReg(REGISTER_Channal0H, ch0_high);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to read channel0H in getRawLux()\n");
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return error;
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}
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rawLuxCh0 = ch0_high*256+ch0_low;
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error= i2cReadReg(REGISTER_Channal1L, ch1_low);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to read channel1L in getRawLux()\n");
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return error;
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}
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error = i2cReadReg(REGISTER_Channal1H, ch1_high);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: Unable to read channel1H in getRawLux()\n");
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return error;
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}
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rawLuxCh1 = ch1_high*256+ch1_low;
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uint64_t scale = 0;
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switch (m_integrationTime)
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{
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case 0: // 13.7 msec
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scale = LUX_CHSCALE_TINT0;
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break;
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case 1: // 101 msec
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scale = LUX_CHSCALE_TINT1;
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break;
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default: // assume no scaling
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scale = (1 << LUX_CHSCALE);
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break;
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}
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// scale if gain is NOT 16X
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if (!m_gain) scale = scale << 4;
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uint64_t channel1 = 0;
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uint64_t channel0 = 0;
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// scale the channel values
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channel0 = (rawLuxCh0 * scale) >> LUX_CHSCALE;
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channel1 = (rawLuxCh1 * scale) >> LUX_CHSCALE;
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// find the ratio of the channel values (Channel1/Channel0)
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// protect against divide by zero
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unsigned long ratio1 = 0;
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if (channel0 != 0) ratio1 = (channel1 << (LUX_RATIOSCALE+1)) / channel0;
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// round the ratio value
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unsigned long ratio = (ratio1 + 1) >> 1;
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unsigned int b, m;
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// CS package
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// Check if ratio <= eachBreak ?
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if ((ratio >= 0) && (ratio <= LUX_K1C))
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{b=LUX_B1C; m=LUX_M1C;}
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else if (ratio <= LUX_K2C)
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{b=LUX_B2C; m=LUX_M2C;}
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else if (ratio <= LUX_K3C)
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{b=LUX_B3C; m=LUX_M3C;}
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else if (ratio <= LUX_K4C)
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{b=LUX_B4C; m=LUX_M4C;}
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else if (ratio <= LUX_K5C)
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{b=LUX_B5C; m=LUX_M5C;}
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else if (ratio <= LUX_K6C)
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{b=LUX_B6C; m=LUX_M6C;}
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else if (ratio <= LUX_K7C)
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{b=LUX_B7C; m=LUX_M7C;}
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else if (ratio > LUX_K8C)
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{b=LUX_B8C; m=LUX_M8C;}
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uint64_t tempLux = 0;
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tempLux = ((channel0 * b) - (channel1 * m));
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// do not allow negative lux value
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if (tempLux < 0) tempLux = 0;
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// round lsb (2^(LUX_SCALE-1))
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tempLux += (1 << (LUX_SCALE-1));
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// strip off fractional portion
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lux = tempLux >> LUX_SCALE;
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return error;
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}
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mraa_result_t
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TSL2561::i2cWriteReg (uint8_t reg, uint8_t value) {
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mraa_result_t error = MRAA_SUCCESS;
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// Start transmission to device
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error = mraa_i2c_address (m_i2ControlCtx, m_controlAddr);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: on i2c bus address setup in i2cWriteReg()\n");
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return error;
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}
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// Write register to I2C
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error = mraa_i2c_write_byte (m_i2ControlCtx, reg);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: on i2c bus write reg in i2cWriteReg()\n");
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return error;
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}
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// Write value to I2C
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error = mraa_i2c_write_byte (m_i2ControlCtx, value);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: on i2c bus write value in i2cWriteReg()\n");
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return error;
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}
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usleep(100000);
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return error;
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}
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mraa_result_t
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TSL2561::i2cReadReg(uint8_t reg, uint8_t &data) {
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mraa_result_t error = MRAA_SUCCESS;
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// Start transmission to device
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error = mraa_i2c_address(m_i2ControlCtx, m_controlAddr);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: on i2c bus address setup in i2cReadReg()\n");
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return error;
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}
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// Send address of register to be read.
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error = mraa_i2c_write_byte(m_i2ControlCtx, reg);
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if (error != MRAA_SUCCESS) {
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fprintf(stderr, "Error: on i2c bus write in i2cReadReg()\n");
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return error;
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}
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// Read byte.
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data = mraa_i2c_read_byte(m_i2ControlCtx);
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||||
usleep(10000);
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||||
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||||
return error;
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||||
}
|
167
src/tsl2561/tsl2561.h
Executable file
167
src/tsl2561/tsl2561.h
Executable file
@ -0,0 +1,167 @@
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/*
|
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* Author: Nandkishor Sonar <Nandkishor.Sonar@intel.com>
|
||||
* Copyright (c) 2014 Intel Corporation.
|
||||
*
|
||||
* * LIGHT-TO-DIGITAL CONVERTER [TAOS-TSL2561]
|
||||
* Inspiration and lux calculation formulas from data sheet
|
||||
* URL: http://www.adafruit.com/datasheets/TSL2561.pdf
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
||||
* included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#pragma once
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||||
|
||||
#include <string>
|
||||
#include <mraa/i2c.h>
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||||
#include <math.h>
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||||
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||||
#define TSL2561_Address (0x29) //Device address
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||||
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||||
// Integration time
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||||
#define INTEGRATION_TIME0_13MS (0x00) // 13.7ms
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||||
#define INTEGRATION_TIME1_101MS (0x01) // 101ms
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#define INTEGRATION_TIME2_402MS (0x02) // 402ms
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||||
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||||
// Integration time
|
||||
#define GAIN_0X (0x00) // No gain - Low
|
||||
#define GAIN_16X (0x10) // 16x gain - High
|
||||
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||||
// Power control bits
|
||||
#define CONTROL_POWERON (0x03) // ON
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||||
#define CONTROL_POWEROFF (0x00) // OFF
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||||
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||||
// TSL2561 registers
|
||||
#define REGISTER_Control (0x80)
|
||||
#define REGISTER_Timing (0x81)
|
||||
#define REGISTER_Interrupt (0x86)
|
||||
#define REGISTER_Channal0L (0x8C)
|
||||
#define REGISTER_Channal0H (0x8D)
|
||||
#define REGISTER_Channal1L (0x8E)
|
||||
#define REGISTER_Channal1H (0x8F)
|
||||
|
||||
// Lux calculations differ slightly for CS package
|
||||
#define LUX_SCALE (14) // Scale by 2^14
|
||||
#define LUX_RATIOSCALE (9) // Scale ratio by 2^9
|
||||
#define LUX_CHSCALE (10) // Scale channel values by 2^10
|
||||
#define LUX_CHSCALE_TINT0 (0x7517) // 322/11 * 2^TSL2561_LUX_CHSCALE
|
||||
#define LUX_CHSCALE_TINT1 (0x0FE7) // 322/81 * 2^TSL2561_LUX_CHSCALE
|
||||
|
||||
// CS package Coefficients
|
||||
#define LUX_K1C (0x0043) // 0.130 * 2^RATIO_SCALE
|
||||
#define LUX_B1C (0x0204) // 0.0315 * 2^LUX_SCALE
|
||||
#define LUX_M1C (0x01ad) // 0.0262 * 2^LUX_SCALE
|
||||
#define LUX_K2C (0x0085) // 0.260 * 2^RATIO_SCALE
|
||||
#define LUX_B2C (0x0228) // 0.0337 * 2^LUX_SCALE
|
||||
#define LUX_M2C (0x02c1) // 0.0430 * 2^LUX_SCALE
|
||||
#define LUX_K3C (0x00c8) // 0.390 * 2^RATIO_SCALE
|
||||
#define LUX_B3C (0x0253) // 0.0363 * 2^LUX_SCALE
|
||||
#define LUX_M3C (0x0363) // 0.0529 * 2^LUX_SCALE
|
||||
#define LUX_K4C (0x010a) // 0.520 * 2^RATIO_SCALE
|
||||
#define LUX_B4C (0x0282) // 0.0392 * 2^LUX_SCALE
|
||||
#define LUX_M4C (0x03df) // 0.0605 * 2^LUX_SCALE
|
||||
#define LUX_K5C (0x014d) // 0.65 * 2^RATIO_SCALE
|
||||
#define LUX_B5C (0x0177) // 0.0229 * 2^LUX_SCALE
|
||||
#define LUX_M5C (0x01dd) // 0.0291 * 2^LUX_SCALE
|
||||
#define LUX_K6C (0x019a) // 0.80 * 2^RATIO_SCALE
|
||||
#define LUX_B6C (0x0101) // 0.0157 * 2^LUX_SCALE
|
||||
#define LUX_M6C (0x0127) // 0.0180 * 2^LUX_SCALE
|
||||
#define LUX_K7C (0x029a) // 1.3 * 2^RATIO_SCALE
|
||||
#define LUX_B7C (0x0037) // 0.00338 * 2^LUX_SCALE
|
||||
#define LUX_M7C (0x002b) // 0.00260 * 2^LUX_SCALE
|
||||
#define LUX_K8C (0x029a) // 1.3 * 2^RATIO_SCALE
|
||||
#define LUX_B8C (0x0000) // 0.000 * 2^LUX_SCALE
|
||||
#define LUX_M8C (0x0000) // 0.000 * 2^LUX_SCALE
|
||||
|
||||
|
||||
namespace upm {
|
||||
|
||||
/**
|
||||
* @brief TSL2561 Digital Light Sensor library
|
||||
* @defgroup tsl2561 libupm-tsl2561
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief C++ API for TSL2561 chip (Digital Light Sensor library)
|
||||
*
|
||||
* The LIGHT-TO-DIGITAL CONVERTER [TAOS-TSL2561]
|
||||
* (http://www.adafruit.com/datasheets/TSL2561.pdf)
|
||||
* The TSL2560 and TSL2561 are light-to-digital converters that transform light
|
||||
* intensity to a digital signal output capable of direct I2C (TSL2561).
|
||||
*
|
||||
* @ingroup tsl2561
|
||||
* @snippet tsl2561.cxx Interesting
|
||||
* @image html grovetsl2561.jpeg
|
||||
*/
|
||||
class TSL2561{
|
||||
public:
|
||||
/**
|
||||
* Instanciates a TSL2561 object
|
||||
*
|
||||
* @param bus number of used bus
|
||||
* @param devAddr address of used i2c device
|
||||
*/
|
||||
TSL2561(int bus=0, uint8_t devAddr=TSL2561_Address, uint8_t gain=GAIN_0X, uint8_t integrationTime=INTEGRATION_TIME1_101MS);
|
||||
|
||||
/**
|
||||
* GY65 object destructor to power down TSL2561 and close i2c connection.
|
||||
*/
|
||||
~TSL2561();
|
||||
|
||||
/**
|
||||
* Get calculated lux reading from TSL2561
|
||||
*
|
||||
* @param lux - place holder to receive calculated lux value from TSL2561
|
||||
*
|
||||
* Return mraa_result_t
|
||||
*/
|
||||
mraa_result_t getLux(int &lux);
|
||||
|
||||
private:
|
||||
/**
|
||||
* Write to TSL2561 register
|
||||
*
|
||||
* @param reg addess to write
|
||||
* @param value to write
|
||||
*
|
||||
* Return mraa_result_t
|
||||
*/
|
||||
mraa_result_t i2cWriteReg(uint8_t reg, uint8_t value);
|
||||
|
||||
/**
|
||||
* Read from TSL2561 register
|
||||
*
|
||||
* @param reg addess to read
|
||||
* @param data byte read from the register
|
||||
*
|
||||
* Return mraa_result_t
|
||||
*/
|
||||
mraa_result_t i2cReadReg(uint8_t reg, uint8_t &data);
|
||||
|
||||
int m_bus;
|
||||
std::string m_name;
|
||||
int m_controlAddr;
|
||||
mraa_i2c_context m_i2ControlCtx;
|
||||
|
||||
uint8_t m_gain;
|
||||
uint8_t m_integrationTime;
|
||||
};
|
||||
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user