Ben Gordon / Mbed 2 deprecated Muscle_Controlled_Servo

ELEC240 Group Coursework ---------------------------------- C-Code for muscle controlled servo

Dependencies:   mbed

LCD.cpp@10:6b9c7857d57c, 2018-06-01 (annotated)

Committer:
BenRJG
Date:
Fri Jun 01 13:39:12 2018 +0000
Revision:
10:6b9c7857d57c
Parent:
8:462ce856429b 
fixed adc

Who changed what in which revision?

UserRevisionLine numberNew contents of line
BenRJG 5:11489c0bd020 1 #include "LCD.h"
BenRJG 5:11489c0bd020 2
BenRJG 5:11489c0bd020 3 void LCD_INIT(void)
BenRJG 5:11489c0bd020 4 {
BenRJG 5:11489c0bd020 5
BenRJG 5:11489c0bd020 6 // Preload some arrays
BenRJG 5:11489c0bd020 7 // char hello_world[] ="Hello World";
BenRJG 8:462ce856429b 8 char splash_screen1[]="Group O";
BenRJG 5:11489c0bd020 9 char splash_screen2[]="Plymouth UNI";
BenRJG 5:11489c0bd020 10 char DVM[] ="Voltage=";
BenRJG 5:11489c0bd020 11
BenRJG 8:462ce856429b 12 LCD_CLR();
BenRJG 8:462ce856429b 13 writeToLCD(splash_screen1,LINE1,1); //Credit line 1
BenRJG 8:462ce856429b 14 writeToLCD(splash_screen2,LINE2,2); //Credit line 2
BenRJG 5:11489c0bd020 15 wait(2);
BenRJG 8:462ce856429b 16 LCD_CLR();
BenRJG 8:462ce856429b 17 writeToLCD(DVM,LINE1,0); //Type Voltage display
BenRJG 8:462ce856429b 18 writeToLCD("V",LINE1,13); //Units display
BenRJG 5:11489c0bd020 19 }
BenRJG 5:11489c0bd020 20
BenRJG 8:462ce856429b 21 void writeToLCD(char* str, int line, int pos)
BenRJG 8:462ce856429b 22 {
BenRJG 8:462ce856429b 23 unsigned int length = strlen(str);
BenRJG 8:462ce856429b 24 cmdLCD(line|pos);
BenRJG 5:11489c0bd020 25
BenRJG 8:462ce856429b 26 if(pos + length <= 16)
BenRJG 8:462ce856429b 27 {
BenRJG 8:462ce856429b 28 unsigned int i;
BenRJG 8:462ce856429b 29
BenRJG 8:462ce856429b 30 for(i=0; i<length; i++)
BenRJG 8:462ce856429b 31 {
BenRJG 8:462ce856429b 32 putLCD(str[i]);
BenRJG 8:462ce856429b 33 }
BenRJG 8:462ce856429b 34 }
BenRJG 8:462ce856429b 35 else
BenRJG 8:462ce856429b 36 {
BenRJG 8:462ce856429b 37 unsigned int line1;
BenRJG 8:462ce856429b 38 unsigned int line2;
BenRJG 8:462ce856429b 39
BenRJG 8:462ce856429b 40 line1 = findSpace(str);
BenRJG 8:462ce856429b 41
BenRJG 8:462ce856429b 42 line2 = length - line1;
BenRJG 8:462ce856429b 43
BenRJG 8:462ce856429b 44 unsigned int i;
BenRJG 8:462ce856429b 45 for(i=0; i<line1; i++)
BenRJG 8:462ce856429b 46 {
BenRJG 8:462ce856429b 47 putLCD(str[i]);
BenRJG 5:11489c0bd020 48 }
BenRJG 8:462ce856429b 49
BenRJG 8:462ce856429b 50 cmdLCD(LINE2);
BenRJG 8:462ce856429b 51
BenRJG 8:462ce856429b 52 if((line2 <= 16)&&(line != 2))
BenRJG 8:462ce856429b 53 {
BenRJG 8:462ce856429b 54 for(i=0; i<line2; i++)
BenRJG 8:462ce856429b 55 {
BenRJG 8:462ce856429b 56 putLCD(str[line1 + i]);
BenRJG 8:462ce856429b 57 }
BenRJG 8:462ce856429b 58 }
BenRJG 8:462ce856429b 59 else
BenRJG 8:462ce856429b 60 {
BenRJG 8:462ce856429b 61 for(i=0; i<(13); i++)
BenRJG 8:462ce856429b 62 {
BenRJG 8:462ce856429b 63 putLCD(str[line1 + i]);
BenRJG 8:462ce856429b 64 }
BenRJG 8:462ce856429b 65
BenRJG 8:462ce856429b 66 for(i=0; i<3; i++)
BenRJG 8:462ce856429b 67 {
BenRJG 8:462ce856429b 68 putLCD('.');
BenRJG 8:462ce856429b 69 }
BenRJG 8:462ce856429b 70 }
BenRJG 5:11489c0bd020 71 }
BenRJG 5:11489c0bd020 72 }
BenRJG 5:11489c0bd020 73
BenRJG 8:462ce856429b 74 void putLCD(unsigned char put) //sends a char to the LCD display
BenRJG 8:462ce856429b 75 {
BenRJG 8:462ce856429b 76 unsigned int data = WRITE|TEXT|put; //RS (text), RW (write), data (put)
BenRJG 8:462ce856429b 77 spi_write_data(CS_LCD, data);
BenRJG 8:462ce856429b 78 //spi_write_data(CS_LCD, (1<<8)+put);
BenRJG 8:462ce856429b 79
BenRJG 8:462ce856429b 80
BenRJG 8:462ce856429b 81 wait_us(25);
BenRJG 8:462ce856429b 82 }
BenRJG 8:462ce856429b 83
BenRJG 8:462ce856429b 84 void cmdLCD(unsigned char cmd) //sends a byte to the LCD control register
BenRJG 8:462ce856429b 85 {
BenRJG 8:462ce856429b 86 unsigned int data = WRITE|COMMAND|cmd; //RS (command), RW (write), data (cmd)
BenRJG 8:462ce856429b 87 spi_write_data(CS_LCD, data);
BenRJG 8:462ce856429b 88 wait_us(2000);
BenRJG 8:462ce856429b 89 }
BenRJG 8:462ce856429b 90
BenRJG 8:462ce856429b 91 unsigned int findSpace(char* str)
BenRJG 8:462ce856429b 92 {
BenRJG 8:462ce856429b 93 unsigned int space = 0;
BenRJG 8:462ce856429b 94 int n = 16;
BenRJG 8:462ce856429b 95 while(!space & (n != -1))
BenRJG 5:11489c0bd020 96 {
BenRJG 8:462ce856429b 97 n--;
BenRJG 8:462ce856429b 98 switch(str[n])
BenRJG 8:462ce856429b 99 {
BenRJG 8:462ce856429b 100 case ' ':
BenRJG 8:462ce856429b 101 case '.':
BenRJG 8:462ce856429b 102 case ',':
BenRJG 8:462ce856429b 103 case ':':
BenRJG 8:462ce856429b 104 case ';':
BenRJG 8:462ce856429b 105 case '-':
BenRJG 8:462ce856429b 106 case '/':
BenRJG 8:462ce856429b 107 space = 1;
BenRJG 8:462ce856429b 108 break;
BenRJG 8:462ce856429b 109 }
BenRJG 5:11489c0bd020 110 }
BenRJG 8:462ce856429b 111 if(n == -1){ return 16; }
BenRJG 8:462ce856429b 112 else{ return n+1; }
BenRJG 5:11489c0bd020 113 }