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hmc5883l: improve documentation and sample
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
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docs/images/hmc5883l.jpeg
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docs/images/hmc5883l.jpeg
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@ -1,4 +1,4 @@
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add_executable (compass compass.cxx)
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add_executable (hmc5883l-example hmc5883l.cxx)
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add_executable (groveled groveled.cxx)
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add_executable (grovetemp grovetemp.cxx)
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add_executable (lcm-lcd lcm-lcd.cxx)
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@ -67,7 +67,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/tcs3414cs)
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include_directories (${PROJECT_SOURCE_DIR}/src/th02)
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include_directories (${PROJECT_SOURCE_DIR}/src/lsm303)
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target_link_libraries (compass hmc5883l ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (groveled grove ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (grovetemp grove ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (lcm-lcd i2clcd ${CMAKE_THREAD_LIBS_INIT})
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@ -27,9 +27,10 @@
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int
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main(int argc, char **argv)
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{
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// Use i2c device 0 all the time
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//! [Interesting]
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upm::Hmc5883l* compass = new upm::Hmc5883l(0);
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fprintf(stdout, "heading: %f\n", compass->heading());
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//! [Interesting]
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return 0;
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}
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@ -32,10 +32,14 @@ namespace upm {
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/**
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* @brief C++ API for HMC5883l (3-axis digital compass)
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*
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* This file defines the HMC5883l C++ interface for libhmc5883l
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* The Honeywell [HMC5883L]
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* (http://www.adafruit.com/datasheets/HMC5883L_3-Axis_Digital_Compass_IC.pdf)
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* is a 3-axis digital compass. Communication with the HMC5883L is simple and
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* all done through an I2C interface. Different breakout boards are available,
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* typically a 3V supply is all that is needed to power the sensor.
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*
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* @snippet hmc5883l.cxx Interesting
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*
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* @image html hmc5883l.jpeg
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*/
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class Hmc5883l {
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