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i2clcd: Reformat the lcd source code

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Reformatted to prepare for improving the error handling. This reformatting
was done using clang-format.

Signed-off-by: Wouter van Verre <wouter.van.verre@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Wouter van Verre
2015-04-08 14:06:49 +01:00
committed by Mihai Tudor Panu
parent 3abd3a5ee9
commit bb59d5db7a
11 changed files with 663 additions and 619 deletions
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100
src/lcd/lcm1602.h
View File

@ -30,7 +30,8 @@
#include <string>
#include "i2clcd.h"
namespace upm {
namespace upm
{
/**
* @library i2clcd
* @sensor lcm1602
@ -39,7 +40,7 @@ namespace upm {
* @man adafruit sparkfun
* @web https://www.adafruit.com/datasheets/TC1602A-01T.pdf
* @con i2c
*
*
* @brief C++ API for LCM1602 i2c controller for HD44780 based displays
*
* This supports all sizes of HD44780 displays from 16x2 to 4x20, the
@ -51,52 +52,53 @@ namespace upm {
* @image html lcm1602.jpeg
* @snippet lcm1602-lcd.cxx Interesting
*/
class Lcm1602 : public I2CLcd {
public:
/**
* Lcm1602 Constructor, calls libmraa initialisation functions
*
* @param bus i2c bus to use
* @param address the slave address the lcd is registered on
*/
Lcm1602(int bus, int address);
/**
* Lcm1602 Destructor
*/
~Lcm1602();
/**
* Write a string to LCD
*
* @param msg The std::string to write to display, note only ascii
* chars are supported
* @return Result of operation
*/
mraa_result_t write(std::string msg);
/**
* Set cursor to a coordinate
*
* @param row The row to set cursor to
* @param column The column to set cursor to
* @return Result of operation
*/
mraa_result_t setCursor(int row, int column);
/**
* Clear display from characters
*
* @return Result of operatio
*/
mraa_result_t clear();
/**
* Return to coordinate 0,0
*
* @return Result of operation
*/
mraa_result_t home();
class Lcm1602 : public I2CLcd
{
public:
/**
* Lcm1602 Constructor, calls libmraa initialisation functions
*
* @param bus i2c bus to use
* @param address the slave address the lcd is registered on
*/
Lcm1602(int bus, int address);
/**
* Lcm1602 Destructor
*/
~Lcm1602();
/**
* Write a string to LCD
*
* @param msg The std::string to write to display, note only ascii
* chars are supported
* @return Result of operation
*/
mraa_result_t write(std::string msg);
/**
* Set cursor to a coordinate
*
* @param row The row to set cursor to
* @param column The column to set cursor to
* @return Result of operation
*/
mraa_result_t setCursor(int row, int column);
/**
* Clear display from characters
*
* @return Result of operatio
*/
mraa_result_t clear();
/**
* Return to coordinate 0,0
*
* @return Result of operation
*/
mraa_result_t home();
private :
mraa_result_t send(uint8_t value, int mode);
mraa_result_t write4bits(uint8_t value);
mraa_result_t expandWrite(uint8_t value);
mraa_result_t pulseEnable(uint8_t value);
};
private:
mraa_result_t send(uint8_t value, int mode);
mraa_result_t write4bits(uint8_t value);
mraa_result_t expandWrite(uint8_t value);
mraa_result_t pulseEnable(uint8_t value);
};
}