Hotboards_SpiLcd.cpp - Library for write and control and lcd with spi interfaces and the ST7032 controller. Base on Arduino's Liquid Cristal library
Dependents: Hotboards_SpiLcd-Hello_World Hotboards_SpiLcd-Writing_In_Diferent_Rows Hotboards_SpiLcd_Scrolling_Text Hotboards_SpiLcd_AutoScroll ... more
Revision 3:e16488b64ef7, committed 2016-03-05
- Comitter:
- Hotboards
- Date:
- Sat Mar 05 19:17:23 2016 +0000
- Parent:
- 2:9673849ef2e9
- Commit message:
- update docs
Changed in this revision
Hotboards_SpiLcd.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/Hotboards_SpiLcd.h Sat Feb 27 20:02:57 2016 +0000 +++ b/Hotboards_SpiLcd.h Sat Mar 05 19:17:23 2016 +0000 @@ -67,7 +67,8 @@ * #include "mbed.h" * #include "Hotboards_SpiLcd.h" * - * Hotboards_SpiLcd lcd( PB_5, NC, PB_3 ); // mosi, miso, sclk + * SPI device( PB_5, NC, PB_3 ); // mosi, miso, sclk + * Hotboards_SpiLcd lcd( device, PC_0, PC_1, PC_2 ); //spi, cs, rs, rst * * int main( void ) * { @@ -81,67 +82,145 @@ public: /** Create Hotboards_SpiLcd instance - */ + * @param spi spi peripheral to be use to control the lcd + * @param cs pin to control the chip select signal + * @param rs pin to control the data/command signal + * @param rst pin to control the reset signal + * + * Example: + * @code + * // we need to init an spi peripheral first + * SPI device( PB_5, NC, PB_3 ); // mosi, miso, sclk + * // then we can create the instance + * Hotboards_SpiLcd lcd( device, PC_0, PC_1, PC_2 ); //spi, cs, rs, rst + * @endcode + */ Hotboards_SpiLcd( SPI &spi, PinName cs, PinName rs, PinName rst ); - /** send commands to initialize internal lcd controller + /** Send commands to initialize internal lcd controller + * + * Example: + * @code + * // After create the instance we init + * lcd.begin(); + * @endcode */ void init( void ); /** Clears the LCD screen and positions the cursor in the upper-left corner. + * + * Example: + * @code + * lcd.clear(); + * @endcode */ void clear( void ); /** Positions the cursor in the upper-left of the LCD. That is, use that location * in outputting subsequent text to the display. To also clear the display, use * the clear() function instead + * + * Example: + * @code + * lcd.home(); + * @endcode */ void home( void ); /** Turns off the LCD display, without losing the text currently shown on it. + * + * Example: + * @code + * lcd.noDisplay(); + * @endcode */ void noDisplay( void ); /** Turns on the LCD display, after it's been turned off with noDisplay(). * This will restore the text (and cursor) that was on the display. + * + * Example: + * @code + * lcd.display(); + * @endcode */ void display( void ); /** Turns off the blinking LCD cursor. + * + * Example: + * @code + * lcd.noBlink(); + * @endcode */ void noBlink( void ); /** Display the blinking LCD cursor. If used in combination with the cursor() function, * the result will depend on the particular display. + * + * Example: + * @code + * lcd.blink(); + * @endcode */ void blink( void ); /** Hides the LCD cursor. + * + * Example: + * @code + * lcd.noCursor(); + * @endcode */ void noCursor( void ); /** Display the LCD cursor: an underscore (line) at the position to which the * next character will be written. + * + * Example: + * @code + * lcd.cursor(); + * @endcode */ void cursor( void ); /** Scrolls the contents of the display (text and cursor) one space to the left. + * + * Example: + * @code + * lcd.scrollDisplayLeft(); + * @endcode */ void scrollDisplayLeft( void ); /** Scrolls the contents of the display (text and cursor) one space to the right. + * + * Example: + * @code + * lcd.scrollDisplayRight(); + * @endcode */ void scrollDisplayRight( void ); /** Set the direction for text written to the LCD to left-to-right, the default. * This means that subsequent characters written to the display will go from left to right, * but does not affect previously-output text. + * + * Example: + * @code + * lcd.leftToRight(); + * @endcode */ void leftToRight( void ); /** Set the direction for text written to the LCD to right-to-left (the default is left-to-right). * This means that subsequent characters written to the display will go from right to left, * but does not affect previously-output text. + * + * Example: + * @code + * lcd.rightToLeft(); + * @endcode */ void rightToLeft( void ); @@ -151,10 +230,20 @@ * the display scrolls to the left; if the current direction is right-to-left, * the display scrolls to the right. This has the effect of outputting * each new character to the same location on the LCD. + * + * Example: + * @code + * lcd.autoscroll(); + * @endcode */ void autoscroll( void ); /** Turns off automatic scrolling of the LCD. + * + * Example: + * @code + * lcd.noAutoscroll(); + * @endcode */ void noAutoscroll( void ); @@ -164,25 +253,45 @@ /** Position the LCD cursor; that is, set the location at which subsequent * text written to the LCD will be displayed. - * * @param col: the column at which to position the cursor (with 0 being the first column) * @param row: the row at which to position the cursor (with 0 being the first row) + * + * Example: + * @code + * lcd.setCursor( 3, 1 ); + * @endcode */ void setCursor( uint8_t col, uint8_t row ); - /** Write a character to the LCD. - * @data: the character to write to the display + /** Send a command to the LCD. + * @data: cmd command to send + * + * Example: + * @code + * // clear screen command + * lcd.command( 0x30 ); + * @endcode */ void command( uint8_t ); #if DOXYGEN_ONLY /** Write a character to the LCD. * @param c: character to display + * + * Example: + * @code + * lcd.putc(); + * @endcode */ int putc(int c); /** Write a formatted string of characters to the LCD. - * @param format: formatted string - */ + * @param format: formatted string + * + * Example: + * @code + * lcd.printf( "number %d: ", 34 ); + * @endcode + */ int printf(const char* format, ...); #endif