/*
 __  __   _____  _____   _  _   ____    ___   _                                 _                        _ 
|  \/  | / ____||  __ \ | || | |___ \  / _ \ | |                               | |                      | |
| \  / || (___  | |__) || || |_  __) || | | || |      __ _  _   _  _ __    ___ | |__   _ __    __ _   __| |
| |\/| | \___ \ |  ___/ |__   _||__ < | | | || |     / _` || | | || '_ \  / __|| '_ \ | '_ \  / _` | / _` |
| |  | | ____) || |        | |  ___) || |_| || |____| (_| || |_| || | | || (__ | | | || |_) || (_| || (_| |
|_|  |_||_____/ |_|        |_| |____/  \___/ |______|\__,_| \__,_||_| |_| \___||_| |_|| .__/  \__,_| \__,_|
                                                                                      | |                  
                                                                                      |_| 
MSP430 Value Line (MSP430G2XXX)
File topper by BeigeMatchbox 2010

CCS C Version
                                             POV display with built in font using TI Launchpad
 1    +------------     ------------+        
 -----| VCC        \___/        GND |-----   Connect an LED with a 4k7 resistor to each pin of port1
 -----| P1.0 (LED1)      (XIN) P2.6 |-----   P1.0 being at the top.
 -----| P1.1 (TXD)      (XOUT) P2.7 |-----   
 -----| P1.2 (RXD)             TEST |-----   Edit the contents of the array "message" then run the program
 -----| P1.3 (S2)          (S1) RST |-----   the message will be displayed, then the program will stall
 -----| P1.4                   P1.7 |-----   in a while loop.
 -----| P1.5            (LED2) P1.6 |-----   
      *******************************        
 -----| P2.0                   P2.5 |-----   
 -----| P2.1                   P2.4 |-----   
 -----| P2.2                   P2.3 |-----   
      +-----------------------------+   20   

*/


#include  <msp430x20x3.h>

#define FONTWIDTH 5					// Number of bytes wide
#define FONTOFFSET 32				// Offset of font array to ascii
#define SCANDELAY 50				// Scan speed, smaller is faster

// ***********************
// *  Message to display *
// ***********************
const unsigned char message[] = {"The quick brown fox jumps over the lazy dog"};




const unsigned char System5x7[] = {							// The font
	0x00, 0x00, 0x00, 0x00, 0x00,// (space)
	0x00, 0x00, 0x5F, 0x00, 0x00,// !
	0x00, 0x07, 0x00, 0x07, 0x00,// "
	0x14, 0x7F, 0x14, 0x7F, 0x14,// #
	0x24, 0x2A, 0x7F, 0x2A, 0x12,// $
	0x23, 0x13, 0x08, 0x64, 0x62,// %
	0x36, 0x49, 0x55, 0x22, 0x50,// &
	0x00, 0x05, 0x03, 0x00, 0x00,// '
	0x00, 0x1C, 0x22, 0x41, 0x00,// (
	0x00, 0x41, 0x22, 0x1C, 0x00,// )
	0x08, 0x2A, 0x1C, 0x2A, 0x08,// *
	0x08, 0x08, 0x3E, 0x08, 0x08,// +
	0x00, 0x50, 0x30, 0x00, 0x00,// ,
	0x08, 0x08, 0x08, 0x08, 0x08,// -
	0x00, 0x60, 0x60, 0x00, 0x00,// .
	0x20, 0x10, 0x08, 0x04, 0x02,// /
	0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
	0x00, 0x42, 0x7F, 0x40, 0x00,// 1
	0x42, 0x61, 0x51, 0x49, 0x46,// 2
	0x21, 0x41, 0x45, 0x4B, 0x31,// 3
	0x18, 0x14, 0x12, 0x7F, 0x10,// 4
	0x27, 0x45, 0x45, 0x45, 0x39,// 5
	0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
	0x01, 0x71, 0x09, 0x05, 0x03,// 7
	0x36, 0x49, 0x49, 0x49, 0x36,// 8
	0x06, 0x49, 0x49, 0x29, 0x1E,// 9
	0x00, 0x36, 0x36, 0x00, 0x00,// :
	0x00, 0x56, 0x36, 0x00, 0x00,// ;
	0x00, 0x08, 0x14, 0x22, 0x41,// <
	0x14, 0x14, 0x14, 0x14, 0x14,// =
	0x41, 0x22, 0x14, 0x08, 0x00,// >
	0x02, 0x01, 0x51, 0x09, 0x06,// ?
	0x32, 0x49, 0x79, 0x41, 0x3E,// @
	0x7E, 0x11, 0x11, 0x11, 0x7E,// A
	0x7F, 0x49, 0x49, 0x49, 0x36,// B
	0x3E, 0x41, 0x41, 0x41, 0x22,// C
	0x7F, 0x41, 0x41, 0x22, 0x1C,// D
	0x7F, 0x49, 0x49, 0x49, 0x41,// E
	0x7F, 0x09, 0x09, 0x01, 0x01,// F
	0x3E, 0x41, 0x41, 0x51, 0x32,// G
	0x7F, 0x08, 0x08, 0x08, 0x7F,// H
	0x00, 0x41, 0x7F, 0x41, 0x00,// I
	0x20, 0x40, 0x41, 0x3F, 0x01,// J
	0x7F, 0x08, 0x14, 0x22, 0x41,// K
	0x7F, 0x40, 0x40, 0x40, 0x40,// L
	0x7F, 0x02, 0x04, 0x02, 0x7F,// M
	0x7F, 0x04, 0x08, 0x10, 0x7F,// N
	0x3E, 0x41, 0x41, 0x41, 0x3E,// O
	0x7F, 0x09, 0x09, 0x09, 0x06,// P
	0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
	0x7F, 0x09, 0x19, 0x29, 0x46,// R
	0x46, 0x49, 0x49, 0x49, 0x31,// S
	0x01, 0x01, 0x7F, 0x01, 0x01,// T
	0x3F, 0x40, 0x40, 0x40, 0x3F,// U
	0x1F, 0x20, 0x40, 0x20, 0x1F,// V
	0x7F, 0x20, 0x18, 0x20, 0x7F,// W
	0x63, 0x14, 0x08, 0x14, 0x63,// X
	0x03, 0x04, 0x78, 0x04, 0x03,// Y
	0x61, 0x51, 0x49, 0x45, 0x43,// Z
	0x00, 0x00, 0x7F, 0x41, 0x41,// [
	0x02, 0x04, 0x08, 0x10, 0x20,// "\"
	0x41, 0x41, 0x7F, 0x00, 0x00,// ]
	0x04, 0x02, 0x01, 0x02, 0x04,// ^
	0x40, 0x40, 0x40, 0x40, 0x40,// _
	0x00, 0x01, 0x02, 0x04, 0x00,// `
	0x20, 0x54, 0x54, 0x54, 0x78,// a
	0x7F, 0x48, 0x44, 0x44, 0x38,// b
	0x38, 0x44, 0x44, 0x44, 0x20,// c
	0x38, 0x44, 0x44, 0x48, 0x7F,// d
	0x38, 0x54, 0x54, 0x54, 0x18,// e
	0x08, 0x7E, 0x09, 0x01, 0x02,// f
	0x08, 0x14, 0x54, 0x54, 0x3C,// g
	0x7F, 0x08, 0x04, 0x04, 0x78,// h
	0x00, 0x44, 0x7D, 0x40, 0x00,// i
	0x20, 0x40, 0x44, 0x3D, 0x00,// j
	0x00, 0x7F, 0x10, 0x28, 0x44,// k
	0x00, 0x41, 0x7F, 0x40, 0x00,// l
	0x7C, 0x04, 0x18, 0x04, 0x78,// m
	0x7C, 0x08, 0x04, 0x04, 0x78,// n
	0x38, 0x44, 0x44, 0x44, 0x38,// o
	0x7C, 0x14, 0x14, 0x14, 0x08,// p
	0x08, 0x14, 0x14, 0x18, 0x7C,// q
	0x7C, 0x08, 0x04, 0x04, 0x08,// r
	0x48, 0x54, 0x54, 0x54, 0x20,// s
	0x04, 0x3F, 0x44, 0x40, 0x20,// t
	0x3C, 0x40, 0x40, 0x20, 0x7C,// u
	0x1C, 0x20, 0x40, 0x20, 0x1C,// v
	0x3C, 0x40, 0x30, 0x40, 0x3C,// w
	0x44, 0x28, 0x10, 0x28, 0x44,// x
	0x0C, 0x50, 0x50, 0x50, 0x3C,// y
	0x44, 0x64, 0x54, 0x4C, 0x44,// z
	0x00, 0x08, 0x36, 0x41, 0x00,// {
	0x00, 0x00, 0x7F, 0x00, 0x00,// |
	0x00, 0x41, 0x36, 0x08, 0x00,// }
	0x10, 0x22, 0x28, 0x22, 0x10, // :)
};


void delayMS(unsigned int ms )							// MS delay function
{
    unsigned int i;
    for (i = 0; i<= ms; i++)
       __delay_cycles(500);
}


void displayChar(unsigned char inChar){					// Function to display a character
	int i;
	for(i=0;i<FONTWIDTH;i++){
		P1OUT = System5x7[(inChar-FONTOFFSET)*5+i];		// Set the LEDs to the character part
		delayMS(SCANDELAY);								// Delay so the LEDs are visable
		P1OUT = 0x00;									// Turn off the LEDs
		delayMS(SCANDELAY/10);							// Delay so you can see the character
	}													// parts
	
	delayMS(SCANDELAY);									// Bit of a gap between characters
}





//*******************
//*  main function  *
//*******************
void main(void){
	WDTCTL = WDTPW + WDTHOLD;				// Stop watchdog
	
	P1DIR |= 0xff;							// Set port 1 to output
	P1OUT = 0x00;							// Make sure port 1 is LOW
	
	int arraySize = sizeof(message);		// Get the message length
	
	int i;
	for(i=0;i<arraySize;i++){				// Send message one charicter at time
		displayChar(message[i]);			// too the led array
	}
	
	
	P1OUT = 0x00;							// Make sure all the LEDs are off

	while(1){								// Make sure the processor doesn't
											// do something silly by putting it
	}										// in a loop
}