Difference between revisions of "Sensors: TSL2591"
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===Code=== | ===Code=== | ||
| + | //http://www.raspberrypi.org/forums/viewtopic.php?t=67979&p=496252 | ||
| + | |||
| + | // ALL COMMAND TSL2561 | ||
| + | // Default I2C RPI address in (0x39) = FLOAT ADDR (Slave) Other [(0x49) = VCC ADDR / (0x29) = GROUND ADDR] | ||
| + | #define TSL2561_ADDR_LOW (0x29) | ||
| + | #define TSL2561_ADDR_FLOAT (0x39) | ||
| + | #define TSL2561_ADDR_HIGH (0x49) | ||
| + | |||
| + | |||
| + | #include "2591a.h" | ||
| + | #include <unistd.h> | ||
| + | |||
| + | int main(){ | ||
| + | |||
| + | Adafruit_TSL2591 tsl = Adafruit_TSL2591(2591); // pass in a number for the sensor identifier (for your use later) | ||
| + | |||
| + | int fd = 0; | ||
| + | fd = wiringPiI2CSetup(0x29); | ||
| + | uint16_t ch0,ch1; | ||
| + | uint32_t visible_and_ir, lux; | ||
| + | |||
| + | visible_and_ir = tsl.Adafruit_TSL2591::getFullLuminosity (fd); | ||
| + | sleep(1); | ||
| + | visible_and_ir = tsl.Adafruit_TSL2591::getFullLuminosity (fd); | ||
| + | |||
| + | // Reads two byte value from channel 0 (visible + infrared) | ||
| + | ch0 = (visible_and_ir & 0xFFFF); | ||
| + | // Reads two byte value from channel 1 (infrared) | ||
| + | ch1 = (visible_and_ir >> 16); | ||
| + | |||
| + | lux = tsl.Adafruit_TSL2591::calculateLux(ch0, ch1); | ||
| + | |||
| + | printf("TSL2591 Full Spectrum: %zu\n",ch0); | ||
| + | printf("TSL2591 Infrared: %zu\n",ch1); | ||
| + | if ( ch0 >= ch1 ) printf("TSL2591 Visible: %zu\n",ch0-ch1); | ||
| + | printf("TSL2591 Lux: %zu\n", lux); | ||
| + | } | ||
| + | |||
| + | /* | ||
| + | NOTE: To compile programs with wiringPi, you need to add: | ||
| + | -lwiringPi | ||
| + | to your compile line(s) To use the Gertboard, MaxDetect, etc. | ||
| + | code (the devLib), you need to also add: | ||
| + | -lwiringPiDev | ||
| + | to your compile line(s). | ||
| + | |||
| + | gcc 2591_pi_2.cpp 2591a.cpp -lwiringPi -o 2591 | ||
| + | |||
| + | */ | ||
Revision as of 15:58, 20 May 2015
TSL2591 library conversion
Procedure
- Stared with Adafruit's Adafruit_TSL2591_Library
- Replaced the Adrino's reads and writes with call to the wiringPi library
- Sanity checked the code against this JS program:
- Tested it and fixed a "bug".
Code
//http://www.raspberrypi.org/forums/viewtopic.php?t=67979&p=496252
// ALL COMMAND TSL2561 // Default I2C RPI address in (0x39) = FLOAT ADDR (Slave) Other [(0x49) = VCC ADDR / (0x29) = GROUND ADDR]
- define TSL2561_ADDR_LOW (0x29)
- define TSL2561_ADDR_FLOAT (0x39)
- define TSL2561_ADDR_HIGH (0x49)
- include "2591a.h"
- include <unistd.h>
int main(){
Adafruit_TSL2591 tsl = Adafruit_TSL2591(2591); // pass in a number for the sensor identifier (for your use later)
int fd = 0; fd = wiringPiI2CSetup(0x29); uint16_t ch0,ch1; uint32_t visible_and_ir, lux;
visible_and_ir = tsl.Adafruit_TSL2591::getFullLuminosity (fd); sleep(1); visible_and_ir = tsl.Adafruit_TSL2591::getFullLuminosity (fd);
// Reads two byte value from channel 0 (visible + infrared) ch0 = (visible_and_ir & 0xFFFF); // Reads two byte value from channel 1 (infrared) ch1 = (visible_and_ir >> 16);
lux = tsl.Adafruit_TSL2591::calculateLux(ch0, ch1);
printf("TSL2591 Full Spectrum: %zu\n",ch0);
printf("TSL2591 Infrared: %zu\n",ch1);
if ( ch0 >= ch1 ) printf("TSL2591 Visible: %zu\n",ch0-ch1);
printf("TSL2591 Lux: %zu\n", lux);
}
/* NOTE: To compile programs with wiringPi, you need to add:
-lwiringPi to your compile line(s) To use the Gertboard, MaxDetect, etc. code (the devLib), you need to also add: -lwiringPiDev to your compile line(s).
gcc 2591_pi_2.cpp 2591a.cpp -lwiringPi -o 2591
- /
