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main.cpp@0:b28daf92293e, 2012-06-17 (annotated)

Committer:: esmiwa
Date:: Sun Jun 17 01:16:11 2012 +0000
Revision:: 0:b28daf92293e

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User	Revision	Line number	New contents of line
esmiwa	0:b28daf92293e	1	#include "mbed.h"
esmiwa	0:b28daf92293e	2	#include "TextLCD.h"
esmiwa	0:b28daf92293e	3
esmiwa	0:b28daf92293e	4	#define High 1
esmiwa	0:b28daf92293e	5	#define Low 0
esmiwa	0:b28daf92293e	6
esmiwa	0:b28daf92293e	7	DigitalInOut D(p15);
esmiwa	0:b28daf92293e	8	DigitalOut Csb(p16);
esmiwa	0:b28daf92293e	9	DigitalOut Clk(p17);
esmiwa	0:b28daf92293e	10
esmiwa	0:b28daf92293e	11	DigitalOut myled1(LED1);
esmiwa	0:b28daf92293e	12	DigitalOut myled4(LED4);
esmiwa	0:b28daf92293e	13
esmiwa	0:b28daf92293e	14	TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs, e, d4-d7
esmiwa	0:b28daf92293e	15
esmiwa	0:b28daf92293e	16	int flag; //1100 flag data
esmiwa	0:b28daf92293e	17	int i; //counter
esmiwa	0:b28daf92293e	18
esmiwa	0:b28daf92293e	19	int x; //X
esmiwa	0:b28daf92293e	20	int y; //Y
esmiwa	0:b28daf92293e	21
esmiwa	0:b28daf92293e	22	//clock out
esmiwa	0:b28daf92293e	23	void CLK (char a)
esmiwa	0:b28daf92293e	24	{
esmiwa	0:b28daf92293e	25	Clk=a;
esmiwa	0:b28daf92293e	26	myled1=a;
esmiwa	0:b28daf92293e	27	wait_ms(1);
esmiwa	0:b28daf92293e	28	}
esmiwa	0:b28daf92293e	29	//4bit flag reaD.intput()g
esmiwa	0:b28daf92293e	30	int READ_FLAG ()
esmiwa	0:b28daf92293e	31	{
esmiwa	0:b28daf92293e	32	flag=0;
esmiwa	0:b28daf92293e	33	D.input();
esmiwa	0:b28daf92293e	34	for(i=0;i<4;i++){
esmiwa	0:b28daf92293e	35	CLK(High);CLK(Low); //clock down edge
esmiwa	0:b28daf92293e	36	flag=flag*10;
esmiwa	0:b28daf92293e	37	flag=flag+D; //1100 flag reaD.intput()g
esmiwa	0:b28daf92293e	38	}
esmiwa	0:b28daf92293e	39	return flag;
esmiwa	0:b28daf92293e	40	}
esmiwa	0:b28daf92293e	41	//22bit data reaD.intput()g
esmiwa	0:b28daf92293e	42	void XY_DATA ()
esmiwa	0:b28daf92293e	43	{
esmiwa	0:b28daf92293e	44	x=0;
esmiwa	0:b28daf92293e	45	D.input();
esmiwa	0:b28daf92293e	46	for(i=0;i<11;i++){
esmiwa	0:b28daf92293e	47	CLK(High);CLK(Low); //clock down edge
esmiwa	0:b28daf92293e	48	x=x<<1;
esmiwa	0:b28daf92293e	49	x=x \| D; //X data reaD.intput()g
esmiwa	0:b28daf92293e	50	}
esmiwa	0:b28daf92293e	51	y=0;
esmiwa	0:b28daf92293e	52	for(i=0;i<11;i++){
esmiwa	0:b28daf92293e	53	CLK(High);CLK(Low); //clock down edge
esmiwa	0:b28daf92293e	54	y=y<<1;
esmiwa	0:b28daf92293e	55	y=y \| D; //Y data reaD.intput()g
esmiwa	0:b28daf92293e	56	}
esmiwa	0:b28daf92293e	57	}
esmiwa	0:b28daf92293e	58	// reset sign out
esmiwa	0:b28daf92293e	59	void RESET(void)
esmiwa	0:b28daf92293e	60	{
esmiwa	0:b28daf92293e	61	D.output();
esmiwa	0:b28daf92293e	62	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	63	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	64	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	65	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	66	}
esmiwa	0:b28daf92293e	67	//start sign out
esmiwa	0:b28daf92293e	68	void START(void)
esmiwa	0:b28daf92293e	69	{
esmiwa	0:b28daf92293e	70	D.output();
esmiwa	0:b28daf92293e	71	CLK(High);D=1;CLK(Low);
esmiwa	0:b28daf92293e	72	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	73	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	74	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	75	}
esmiwa	0:b28daf92293e	76
esmiwa	0:b28daf92293e	77	int READ_END_FLAG(void)
esmiwa	0:b28daf92293e	78	{
esmiwa	0:b28daf92293e	79	//int d[4];
esmiwa	0:b28daf92293e	80	flag=0;
esmiwa	0:b28daf92293e	81	D.output();
esmiwa	0:b28daf92293e	82	CLK(High);D=1;CLK(Low);
esmiwa	0:b28daf92293e	83	CLK(High);D=1;CLK(Low);
esmiwa	0:b28daf92293e	84	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	85	CLK(High);D=0;CLK(Low);
esmiwa	0:b28daf92293e	86	D.input();
esmiwa	0:b28daf92293e	87	for(i=0;i<4;i++){
esmiwa	0:b28daf92293e	88	CLK(High);
esmiwa	0:b28daf92293e	89	CLK(Low); //clock down edge
esmiwa	0:b28daf92293e	90	//d[i]=D; //1100 flag reaD
esmiwa	0:b28daf92293e	91	flag=flag<<1;
esmiwa	0:b28daf92293e	92	flag=flag+D;
esmiwa	0:b28daf92293e	93	myled4=D ;
esmiwa	0:b28daf92293e	94	}
esmiwa	0:b28daf92293e	95	//flag=d[0]1000+d[1]100+d[2]*10+d[3];
esmiwa	0:b28daf92293e	96	return flag;
esmiwa	0:b28daf92293e	97	}
esmiwa	0:b28daf92293e	98
esmiwa	0:b28daf92293e	99	int main() {
esmiwa	0:b28daf92293e	100	int cmd=0;
esmiwa	0:b28daf92293e	101	int dx=0;char *ax;
esmiwa	0:b28daf92293e	102	int dy=0;char *ay;
esmiwa	0:b28daf92293e	103	float atn;
esmiwa	0:b28daf92293e	104
esmiwa	0:b28daf92293e	105	while(1){
esmiwa	0:b28daf92293e	106	//lcd.cls();
esmiwa	0:b28daf92293e	107	Csb=1;
esmiwa	0:b28daf92293e	108	//wait_ms(1);
esmiwa	0:b28daf92293e	109	Csb=0;
esmiwa	0:b28daf92293e	110	RESET();
esmiwa	0:b28daf92293e	111	Csb=1;
esmiwa	0:b28daf92293e	112	//wait_ms(1);
esmiwa	0:b28daf92293e	113	Csb=0;
esmiwa	0:b28daf92293e	114	START();
esmiwa	0:b28daf92293e	115	Csb=1;
esmiwa	0:b28daf92293e	116	wait_ms(30); //scanning
esmiwa	0:b28daf92293e	117	Csb=0;
esmiwa	0:b28daf92293e	118	cmd=READ_END_FLAG();
esmiwa	0:b28daf92293e	119	XY_DATA();
esmiwa	0:b28daf92293e	120
esmiwa	0:b28daf92293e	121	if(x>1024){ dx=x-2048;ax="-S";}
esmiwa	0:b28daf92293e	122	else{ dx=x;ax="+N";}
esmiwa	0:b28daf92293e	123	if(y>1024){ dy=y-2048;ay="-E";}
esmiwa	0:b28daf92293e	124	else{ dy=y;ay="+W";}
esmiwa	0:b28daf92293e	125	atn=(float)dy/(float)dx;
esmiwa	0:b28daf92293e	126	Csb=1;
esmiwa	0:b28daf92293e	127	lcd.locate(0,0);lcd.printf(" X Y ATN");
esmiwa	0:b28daf92293e	128	lcd.locate(0,1);lcd.printf(" %2s %2s %4.2f",ax,ay,atn);
esmiwa	0:b28daf92293e	129	wait_ms(40); //LCD dispaying
esmiwa	0:b28daf92293e	130	}
esmiwa	0:b28daf92293e	131	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	17 Jun 2012
Imports:	3
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	2
Followers:	1

main.cpp@0:b28daf92293e, 2012-06-17 (annotated)

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