ADNS6010 - Avago ADNS6010 mouse chip library This class refe…

Users » nucho » Code » ADNS6010

Avago ADNS6010 mouse chip library This class referred to ADNS5020EN library http://mbed.org/users/IPAB/programs/ADNS5020EN/5zwdp

ADNS6010.cpp@0:efc16a3c5ce4, 2011-11-20 (annotated)

Committer:: nucho
Date:: Sun Nov 20 13:30:42 2011 +0000
Revision:: 0:efc16a3c5ce4
Child:: 1:ac87e825b0d7

Who changed what in which revision?

User	Revision	Line number	New contents of line
nucho	0:efc16a3c5ce4	1	#include "ADNS6010.h"
nucho	0:efc16a3c5ce4	2
nucho	0:efc16a3c5ce4	3	ADNS6010::ADNS6010(PinName mosi, PinName miso, PinName sclk, PinName ncs, PinName reset,PinName npd)
nucho	0:efc16a3c5ce4	4	: spi_(mosi, miso, sclk), npd_(npd),reset_(reset), ncs_(ncs) {
nucho	0:efc16a3c5ce4	5	spi_.format(8,3);
nucho	0:efc16a3c5ce4	6	spi_.frequency(500000);
nucho	0:efc16a3c5ce4	7
nucho	0:efc16a3c5ce4	8	// Chip Reset
nucho	0:efc16a3c5ce4	9	creset();
nucho	0:efc16a3c5ce4	10	start();
nucho	0:efc16a3c5ce4	11
nucho	0:efc16a3c5ce4	12	npd_ =1;
nucho	0:efc16a3c5ce4	13	wait_ms(1);
nucho	0:efc16a3c5ce4	14
nucho	0:efc16a3c5ce4	15	int prod_id = cread(REGISTER_PRODUCTID); // read Product ID register
nucho	0:efc16a3c5ce4	16	int rev_id = cread(REGISTER_REVISONID); // read Revision ID register
nucho	0:efc16a3c5ce4	17
nucho	0:efc16a3c5ce4	18	if ((prod_id!=ADNS6010_PRODUCTID)\|\|(rev_id!=ADNS6010_REVISIONID)) {
nucho	0:efc16a3c5ce4	19	error("The connection with the ADNS-6010 is not established\n");
nucho	0:efc16a3c5ce4	20	} else {
nucho	0:efc16a3c5ce4	21	printf("productID:%d\trevisionID:%d\n", prod_id,rev_id);
nucho	0:efc16a3c5ce4	22	}
nucho	0:efc16a3c5ce4	23
nucho	0:efc16a3c5ce4	24	}
nucho	0:efc16a3c5ce4	25
nucho	0:efc16a3c5ce4	26	// write data to a register
nucho	0:efc16a3c5ce4	27	void ADNS6010::cwrite(unsigned char caddress, unsigned char cdata) {
nucho	0:efc16a3c5ce4	28	ncs_=0;
nucho	0:efc16a3c5ce4	29	// send the command to read the register
nucho	0:efc16a3c5ce4	30	caddress \|= 0x80;
nucho	0:efc16a3c5ce4	31	spi_.write(caddress);
nucho	0:efc16a3c5ce4	32	// send dummy byte
nucho	0:efc16a3c5ce4	33	spi_.write(cdata);
nucho	0:efc16a3c5ce4	34	ncs_=1;
nucho	0:efc16a3c5ce4	35
nucho	0:efc16a3c5ce4	36	wait_us(10); // more than the minimum for safety
nucho	0:efc16a3c5ce4	37	}
nucho	0:efc16a3c5ce4	38
nucho	0:efc16a3c5ce4	39
nucho	0:efc16a3c5ce4	40	// mouse chip - change resolurion
nucho	0:efc16a3c5ce4	41	void ADNS6010::changeCPI(int cpi) {
nucho	0:efc16a3c5ce4	42	int config = 0x49;//resolution reset(=default=400)
nucho	0:efc16a3c5ce4	43
nucho	0:efc16a3c5ce4	44	switch (cpi) {
nucho	0:efc16a3c5ce4	45	case 400:
nucho	0:efc16a3c5ce4	46	//config = config & 0x49
nucho	0:efc16a3c5ce4	47	break;
nucho	0:efc16a3c5ce4	48
nucho	0:efc16a3c5ce4	49	case 800: // Change cpi to 800
nucho	0:efc16a3c5ce4	50	config \|= 0x10;
nucho	0:efc16a3c5ce4	51	break;
nucho	0:efc16a3c5ce4	52
nucho	0:efc16a3c5ce4	53	case 1600: // Change cpi to 1600
nucho	0:efc16a3c5ce4	54	config \|= 0x04;
nucho	0:efc16a3c5ce4	55	break;
nucho	0:efc16a3c5ce4	56
nucho	0:efc16a3c5ce4	57	case 2000: // Change cpi to 2000
nucho	0:efc16a3c5ce4	58	config \|= 0x14;
nucho	0:efc16a3c5ce4	59	break;
nucho	0:efc16a3c5ce4	60
nucho	0:efc16a3c5ce4	61	default:
nucho	0:efc16a3c5ce4	62	error("setting fault\n cpi setting is only 400 or 800 or 1600 or 2000\n\r");
nucho	0:efc16a3c5ce4	63	break;
nucho	0:efc16a3c5ce4	64	}
nucho	0:efc16a3c5ce4	65
nucho	0:efc16a3c5ce4	66	cwrite(REGISTER_CONFIGURATION_BITS,config);
nucho	0:efc16a3c5ce4	67	}
nucho	0:efc16a3c5ce4	68
nucho	0:efc16a3c5ce4	69
nucho	0:efc16a3c5ce4	70	void ADNS6010::end()
nucho	0:efc16a3c5ce4	71	{
nucho	0:efc16a3c5ce4	72	npd_=0;
nucho	0:efc16a3c5ce4	73	}
nucho	0:efc16a3c5ce4	74
nucho	0:efc16a3c5ce4	75	void ADNS6010::start()
nucho	0:efc16a3c5ce4	76	{
nucho	0:efc16a3c5ce4	77	npd_=1;
nucho	0:efc16a3c5ce4	78	}
nucho	0:efc16a3c5ce4	79
nucho	0:efc16a3c5ce4	80	void ADNS6010::creset()
nucho	0:efc16a3c5ce4	81	{
nucho	0:efc16a3c5ce4	82	reset_ = 1;
nucho	0:efc16a3c5ce4	83	wait_us(10);
nucho	0:efc16a3c5ce4	84	reset_ = 0;
nucho	0:efc16a3c5ce4	85	}
nucho	0:efc16a3c5ce4	86
nucho	0:efc16a3c5ce4	87	void ADNS6010::set_freq(int freq)
nucho	0:efc16a3c5ce4	88	{
nucho	0:efc16a3c5ce4	89	if(freq>=500000&&freq<=2000000)
nucho	0:efc16a3c5ce4	90	{
nucho	0:efc16a3c5ce4	91	spi_.frequency(freq);
nucho	0:efc16a3c5ce4	92	}
nucho	0:efc16a3c5ce4	93	}
nucho	0:efc16a3c5ce4	94
nucho	0:efc16a3c5ce4	95	int ADNS6010::read_squal()
nucho	0:efc16a3c5ce4	96	{
nucho	0:efc16a3c5ce4	97	return cread(REGISTER_SQUAL)*4;
nucho	0:efc16a3c5ce4	98	}
nucho	0:efc16a3c5ce4	99
nucho	0:efc16a3c5ce4	100	// read the delta_X and delta_Y of the chip
nucho	0:efc16a3c5ce4	101	void ADNS6010::read_deltas(int* a_dx, int* a_dy) {
nucho	0:efc16a3c5ce4	102
nucho	0:efc16a3c5ce4	103	int * dx, * dy;
nucho	0:efc16a3c5ce4	104	dx=(int*)a_dx;
nucho	0:efc16a3c5ce4	105	dy=(int*)a_dy;
nucho	0:efc16a3c5ce4	106	*dx = 0;
nucho	0:efc16a3c5ce4	107	*dy = 0;
nucho	0:efc16a3c5ce4	108
nucho	0:efc16a3c5ce4	109	int motion = cread(REGISTER_MOTION); // read Motion register
nucho	0:efc16a3c5ce4	110
nucho	0:efc16a3c5ce4	111	if ((motion&0x80)==0x80) {
nucho	0:efc16a3c5ce4	112	*dx = MChipMotion(cread(REGISTER_DELTAX));
nucho	0:efc16a3c5ce4	113	*dy = MChipMotion(cread(REGISTER_DELTAY));
nucho	0:efc16a3c5ce4	114	}
nucho	0:efc16a3c5ce4	115	}
nucho	0:efc16a3c5ce4	116
nucho	0:efc16a3c5ce4	117	// read a register
nucho	0:efc16a3c5ce4	118	int ADNS6010::cread(unsigned char cregister) {
nucho	0:efc16a3c5ce4	119
nucho	0:efc16a3c5ce4	120	ncs_=0;
nucho	0:efc16a3c5ce4	121	// send the command to read the register
nucho	0:efc16a3c5ce4	122	spi_.write(cregister);
nucho	0:efc16a3c5ce4	123
nucho	0:efc16a3c5ce4	124	if(cregister==REGISTER_MOTION) wait_us(DELAY_TRAD_MOT);
nucho	0:efc16a3c5ce4	125	else wait_us(DELAY_TRAD);
nucho	0:efc16a3c5ce4	126
nucho	0:efc16a3c5ce4	127	// send dummy byte
nucho	0:efc16a3c5ce4	128	int reply = spi_.write(0x00);
nucho	0:efc16a3c5ce4	129	ncs_=1;
nucho	0:efc16a3c5ce4	130
nucho	0:efc16a3c5ce4	131	return reply;
nucho	0:efc16a3c5ce4	132	}
nucho	0:efc16a3c5ce4	133
nucho	0:efc16a3c5ce4	134	// Transform the reading of the mouse Delta register to actual motion
nucho	0:efc16a3c5ce4	135	int ADNS6010::MChipMotion(int reading) {
nucho	0:efc16a3c5ce4	136
nucho	0:efc16a3c5ce4	137	int displacement;
nucho	0:efc16a3c5ce4	138	if (reading <= 0x7f) {
nucho	0:efc16a3c5ce4	139	displacement = reading;
nucho	0:efc16a3c5ce4	140	} else {
nucho	0:efc16a3c5ce4	141	displacement = reading - 256;
nucho	0:efc16a3c5ce4	142	}
nucho	0:efc16a3c5ce4	143	return displacement;
nucho	0:efc16a3c5ce4	144	}

Repository toolbox

Export to desktop IDE

Repository details

Type:	Library
Created:	20 Nov 2011
Imports:	11
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	0
Followers:	1

ADNS6010.cpp@0:efc16a3c5ce4, 2011-11-20 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning