lcm1602: small patches to comments and examples

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/c++/CMakeLists.txt

@@ -9,7 +9,8 @@ add_executable (grovetemp-example grovetemp.cxx)
 add_executable (grovebutton-example grovebutton.cxx)
 add_executable (groverotary-example groverotary.cxx)
 add_executable (groveslide-example groveslide.cxx)
-add_executable (lcm1602-lcd-example lcm1602-lcd.cxx)
+add_executable (lcm1602-i2c-example lcm1602-i2c.cxx)
+add_executable (lcm1602-parallel-example lcm1602-parallel.cxx)
 add_executable (jhd1313m1-lcd-example jhd1313m1-lcd.cxx)
 add_executable (buzzer-sound-example buzzer-sound.cxx)
 add_executable (my9221-ledbar-example my9221-ledbar.cxx)
@@ -266,7 +267,8 @@ target_link_libraries (grovetemp-example grove ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (grovebutton-example grove ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (groverotary-example grove ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (groveslide-example grove ${CMAKE_THREAD_LIBS_INIT})
-target_link_libraries (lcm1602-lcd-example i2clcd ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (lcm1602-i2c-example i2clcd ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (lcm1602-parallel-example i2clcd ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (jhd1313m1-lcd-example i2clcd ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (buzzer-sound-example buzzer ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (my9221-ledbar-example my9221 ${CMAKE_THREAD_LIBS_INIT})

examples/c++/lcm1602-i2c.cxx

@@ -32,12 +32,16 @@ main(int argc, char **argv)
     lcd->setCursor(0,0);
     lcd->write("Hello World");
 //! [Interesting]
+    sleep(3);
     lcd->setCursor(1,2);
     lcd->write("Hello World");
+    sleep(3);
     lcd->setCursor(2,4);
     lcd->write("Hello World");
+    sleep(3);
     lcd->setCursor(3,6);
     lcd->write("Hello World");
+    sleep(3);
     delete lcd;
 
     return 0;

examples/c++/lcm1602-parallel.cxx

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include <upm/lcm1602.h>
+#include <lcm1602.h>
 
 int
 main(int argc, char **argv)

src/lcd/lcd.h

@@ -32,7 +32,7 @@ namespace upm
 /**
  * @brief I2C LCD Display library
  * @defgroup i2clcd libupm-i2clcd
- * @ingroup seeed sparkfun adafruit i2c display gsk
+ * @ingroup seeed sparkfun adafruit i2c gpio display gsk
  */
 class LCD
 {

src/lcd/lcm1602.cxx

@@ -8,6 +8,7 @@
  * Copyright (c) 2014 Intel Corporation.
  *
  * Contributions: Jon Trulson <jtrulson@ics.com>
+ *                Sergey Kiselev <sergey.kiselev@intel.com>
  * 
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation

src/lcd/lcm1602.h

@@ -8,6 +8,7 @@
  * Copyright (c) 2014 Intel Corporation.
  *
  * Contributions: Jon Trulson <jtrulson@ics.com>
+ *                Sergey Kiselev <sergey.kiselev@intel.com> 
  *
  * Permission is hereby granted, free of uint8_tge, to any person
  * obtaining a copy of this software and associated documentation
@@ -46,9 +47,9 @@ namespace upm
  * @sensor lcm1602
  * @comname LCM1602 Display
  * @type display
- * @man adafruit sparkfun
+ * @man adafruit sparkfun seeed
  * @web https://www.adafruit.com/datasheets/TC1602A-01T.pdf
- * @con i2c
+ * @con i2c gpio
  *
  * @brief API for the LCM1602 I2C controller for HD44780-based displays
  *
@@ -56,7 +57,9 @@ namespace upm
  * controller has no idea of the actual display hardware, so it lets you write
  * farther than you can see. These displays with such controllers are available
  * from various manufacturers with different I2C addresses. Adafruit*
- * TC1602A-01T seems to be a well-documented example.
+ * TC1602A-01T seems to be a well-documented example. The driver also supports
+ * parallel GPIO connections directly to the HD44780 in case you are not using
+ * an I2C expander/backpack.
  *
  * @image html lcm1602.jpeg
  * @snippet lcm1602-lcd.cxx Interesting
@@ -70,13 +73,13 @@ class Lcm1602 : public LCD
      * @param bus I2C bus to use
      * @param address Slave address the LCD is registered on
      * @param isExpander True if we are dealing with an I2C expander,
-     * false otherwise.  Default is true.
+     * false otherwise. Default is true.
      */
   Lcm1602(int bus, int address, bool isExpander=true,
           uint8_t numColumns = 16, uint8_t numRows = 4);
 
     /**
-     * Lcm1602 alternate constructor, used for GPIO based hd44780
+     * Lcm1602 alternate constructor, used for GPIO based HD44780
      * controllers supporting RS, Enable, and 4 data pins in 4-bit
      * mode.
      *