vfnLCD.h

00001 //#include "common.h"
00002 #include "mbed.h"
00003 #include "LCDConfig.h"   // indicates how LCD module is configured and what type of LCD is going to be used 7seg, 14-seg, 16 seg, DotMatrix etc
00004 
00005 #define LCD_ALTERNATE_MODE    4   // Write message to Alternate Backplanes
00006 #define LCD_NORMAL_MODE       0   // Write message to Original BackPlanes 
00007 
00008 
00009 /* variables */
00010 extern uint32_t __VECTOR_RAM[]; //Get vector table that was copied to RAM
00011 
00012 extern const uint32_t MASK_BIT[];  
00013 extern const uint32_t *LCD_TO_PORT[];
00014 
00015 
00016 #if _LCDINTENABLE == 1
00017   extern void LcdInterruptCallBack(void);
00018 #endif
00019   
00020 class vfnLCD {
00021     
00022 public: 
00023 /*||||||||||||||||||||||       vfnLCD_Init            ||||||||||||||||||||||
00024 brief:  Initialize all the registers on the mcu module 
00025 param:  void                            return:  void    
00026 */  
00027 vfnLCD(void);
00028   
00029 void vfnLCD_Home (void);
00030  /*||||||||||||||||||||||       vfnLCD_Write_Char   ||||||||||||||||||||||
00031  brief:  Writes on char after the last character was write
00032  param:  uint8 --- Ascii to write                            return:  void    
00033 */
00034 void vfnLCD_Write_Char (uint8_t lbValue);
00035 
00036 /*
00037    Send a message until a end of char or max number of characters
00038    if the message size is greater than LCD character the message is cut ad the size of LCD Characters
00039    If the message lenght is minor than Display character is filled with Blanks
00040  */
00041 void vfnLCD_Write_Msg (uint8_t *lbpMessage);
00042 
00043 
00044 
00045  /*||||||||||||||||||||||       vfnLCD_Write_Msg    ||||||||||||||||||||||
00046 brief:  Writes on message on the LCD   if the message is longer than the number of character  is send to the Scroll function
00047 param:  uint8 pointer --- the first character  on the array to write
00048 param: uint8 --- the numbers of characterts to write      
00049 return:  void    
00050 */
00051 void vfnLCD_Write_MsgPlace (uint8_t *lbpMessage, uint8_t lbSize );
00052 
00053 /*||||||||||||||||||||||       vfnLCD_Scroll    ||||||||||||||||||||||
00054 brief:  Moves the message on the LCD 
00055 param:  uint8 pointer --- the first character  on the array to write
00056 param: uint8 --- the size of the character  
00057 return:  void    
00058 */
00059 
00060 void vfnLCD_Scroll (uint8_t *lbpMessage,uint8_t lbSize);
00061 
00062  /*||||||||||||||||||||||       vfnLCD_All_Segments_ON   ||||||||||||||||||||||
00063 brief: Turns on all the segments on the LCD
00064 param:  uint8 pointer --- the first character  on the array to write
00065 param: uint8 --- the size of the character  
00066 return:  void    
00067 */
00068 
00069 void vfnLCD_All_Segments_ON (void);
00070                                                                                                       
00071 /*Same as clear dispay */
00072 void vfnLCD_All_Segments_OFF (void);
00073   
00074 void vfnLCD_Contrast (uint8_t lbContrast);
00075 void vfnLCD_isrv(void) ;
00076 
00077 
00078 /* functions for DOT matrix LCD panel only*/
00079 void vfnLCD_All_Segments_Char (uint8_t val);
00080 void PutPoint(uint8_t x, uint8_t y);
00081 void ClrPoint(uint8_t x, uint8_t y);
00082 void SetX(uint8_t x, uint8_t value);
00083 
00084 private:
00085 char  lcdBuffer[];
00086 
00087 
00088 uint8_t lcd_alternate_mode;
00089 
00090 
00091 void LCD_vector_interrupt_init(void);
00092 void lcd_pinmux(uint8_t  mux_val);  //only 0 or 7 is allowed
00093 
00094 void vfnBP_VScroll(int8_t scroll_count);
00095 
00096  // LCD call samples
00097  //  vfnLCD_Home();
00098  //  vfnLCD_Write_Char ('0');
00099  //  vfnLCD_All_Segments_ON();
00100  //  vfnLCD_All_Segments_OFF();
00101  //  vfnLCD_Write_Msg("@@@@@@@@@");  // TURN ON all characters
00102  //  vfnLCD_All_Segments_OFF();
00103 
00104 
00105 
00106 /*{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{        Macros            }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}*/
00107 /*{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{   ----------------------------  }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}*/
00108 
00109 #define LCD_ENABLE()        (LCD_GCR |=  LCD_GCR_LCDEN_MASK)
00110 #define LCD_DISABLE()       (LCD_GCR &= ~LCD_GCR_LCDEN_MASK) 
00111 #define LCD_VTRIM(x)        (LCD_GCR &= ~LCD_GCR_RVTRIM_MASK; LCD_GCR |= LCD_GCR_RVTRIM(x));
00112 
00113 
00114 
00115 
00116 
00117 
00118 
00119 /*{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{        Functions        }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}*/
00120 /*{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{   ----------------------------  }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}*/
00121 
00122 
00123 
00124 /*||||||||||||||||||||||       vfnLCD_EnablePins   ||||||||||||||||||||
00125 brief: Enable all the pins of the mcu directly connected to the  LCD on use
00126 param:  void                            return:  void    
00127 */  
00128 void vfnEnablePins (void);
00129 
00130  /*||||||||||||||||||||||       vfnLCD_SetBackplanes ||||||||||||||
00131 brief:  Set as a backplane and give the number of COM that corresponds  
00132 param:  void                            return:  void    
00133 */
00134 void vfnSetBackplanes (void);
00135 
00136 /*||||||||||||||||||||||       vfnLCD_Home            ||||||||||||||||||||||
00137 brief:  Reset the counter to the first position
00138 param:  void
00139 return:  void    
00140 */  
00141 
00142 
00143 
00144 void vfnLCD_interrupt_init(void);
00145 };
00146