1: #include <pic18.h>
     2: #include <stdio.h>
     3: #include <string.h>
     4: #include "lcd.h"
     5: // Delay.h is included inside lcd.c
     6: 
     7: #define LCD_LENGTH 16
     8: #define LCD_ROWS 2
     9: 
    10: 
    11: unsigned char global_Pot_Hi;
    12: unsigned char global_Pot_Lo;
    13: unsigned char global_LCD_Buffer[LCD_ROWS][LCD_LENGTH];
    14: /*void AD_init(void)
    15: {
    16:         ADON    = 1;
    17: }
    18: */
    19: // Nicked from H7
    20: void ad_init(void)
    21: {
    22:         // AD Conversion clock
    23:         ADCS0 = 0;
    24:         ADCS1 = 0;
    25:         ADCS2 = 0;
    26: 
    27:         //Select AN0/RA0 for AD source
    28:         CHS0=0;
    29:         CHS1=0;
    30:         CHS2=0;
    31:         
    32:         //Only AN0 is selected for AD and with Vdd/Vss as limits
    33:         PCFG0=0;
    34:         PCFG1=1;
    35:         PCFG2=1;
    36:         PCFG3=1;
    37:         
    38:         //Result is right justified
    39:         ADFM=1; 
    40:         
    41:         //Fire up for A/D converter module
    42:         ADON=1;
    43: }
    44: 
    45: void rs232_init(void)
    46: {
    47:         SPEN    = 0;    // Serial Port Enable Bit... 0 = disabled
    48:         TRISC6  = 0;
    49:         TRISC7  = 1;
    50:         SYNC    = 0;    // SYNC switches between async(0) and sync(1) mode.
    51:         SPBRG   = 25;
    52:         TXSTA   = 0x24;
    53:         RCSTA   = 0x90;
    54:         SPEN    = 1;
    55: }
    56: 
    57: void interrupt_init(void)
    58: {
    59:         // Assumes that all interrupts default is 0
    60:         PEIE    = 1;
    61:         GIE             = 1;
    62:         RCIE    = 1;
    63: }       
    64: 
    65: void pic18_io_init(void)
    66: {
    67:         TRISA0  = 1;    // analog input
    68:         TRISB1  = 1;    // TRISB1-4 Digital input
    69:         TRISB2  = 1;
    70:         TRISB3  = 1;
    71:         TRISB4  = 1;
    72: }       
    73: 
    74: void interrupt_recieve_handler(void)
    75: {
    76:         // Handle recieve inputs...
    77: }
    78: 
    79: void interrupt interrupt_handler(void)
    80: {
    81:         // Finds out what interrupt have been trigged, and starts the respective function.
    82:         if(RCIF == 1)
    83:         {
    84:                 interrupt_recieve_handler();
    85:                 RCIF = 0;
    86:         }
    87: }               
    88: 
    89: void update_lcd(void)
    90: {
    91:         int i = 0, horizontal = 0, vertical = 0;
    92:         char alfa[2][LCD_LENGTH];
    93:         
    94:         
    95:         static char current_row = 0;
    96:         static char current_char = 0;
    97:         char toLCD0[LCD_LENGTH], toLCD1[LCD_LENGTH];
    98:         char B1[16];
    99:         lcd_goto(0x00);
   100:         sprintf(toLCD0, "%s", "Ejdesgaard");
   101:         if(RB1)
   102:         {
   103:                 sprintf(B1, "%s", "True");
   104:         }
   105:         else
   106:         {
   107:                 sprintf(B1, "%s", "False");
   108:         }
   109:         lcd_puts(B1);
   110:         
   111:         lcd_goto(0x40);
   112: //      sprintf(toLCD1, "%s", "Test");
   113:         lcd_puts("Test1"); 
   114:         
   115: }
   116: 
   117: void main()
   118: {
   119: /////////////////////////////////////////////
   120: // Running Init's
   121: 
   122:         // Running init for various components.
   123:         //AD_init();
   124:         ad_init();
   125:         rs232_init();
   126:         pic18_io_init();
   127:         lcd_init(0);
   128: 
   129: /////////////////////////////////////////////
   130: // Main loop
   131: 
   132:         while(1)
   133:         {
   134:         // Checking if A/D convertion is done, and save the data in global_Pot_??
   135:                 if(GODONE==0)
   136:                 {
   137:                         global_Pot_Hi = ADRESH;
   138:                         global_Pot_Lo = ADRESL;
   139:                         GODONE = 0;
   140:                 }
   141:                 
   142:         update_lcd();
   143:         }
   144: }