ADNS6010 - Avago ADNS6010 mouse chip library This class refe…

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

ADNS6010.cpp@1:ac87e825b0d7, 2011-11-21 (annotated)

Committer:: nucho
Date:: Mon Nov 21 16:00:51 2011 +0000
Revision:: 1:ac87e825b0d7
Parent:: 0:efc16a3c5ce4

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	1:ac87e825b0d7	20	}
nucho	0:efc16a3c5ce4	21
nucho	0:efc16a3c5ce4	22	}
nucho	0:efc16a3c5ce4	23
nucho	0:efc16a3c5ce4	24	// write data to a register
nucho	0:efc16a3c5ce4	25	void ADNS6010::cwrite(unsigned char caddress, unsigned char cdata) {
nucho	0:efc16a3c5ce4	26	ncs_=0;
nucho	0:efc16a3c5ce4	27	// send the command to read the register
nucho	0:efc16a3c5ce4	28	caddress \|= 0x80;
nucho	0:efc16a3c5ce4	29	spi_.write(caddress);
nucho	0:efc16a3c5ce4	30	// send dummy byte
nucho	0:efc16a3c5ce4	31	spi_.write(cdata);
nucho	0:efc16a3c5ce4	32	ncs_=1;
nucho	0:efc16a3c5ce4	33
nucho	0:efc16a3c5ce4	34	wait_us(10); // more than the minimum for safety
nucho	0:efc16a3c5ce4	35	}
nucho	0:efc16a3c5ce4	36
nucho	0:efc16a3c5ce4	37
nucho	0:efc16a3c5ce4	38	// mouse chip - change resolurion
nucho	0:efc16a3c5ce4	39	void ADNS6010::changeCPI(int cpi) {
nucho	0:efc16a3c5ce4	40	int config = 0x49;//resolution reset(=default=400)
nucho	0:efc16a3c5ce4	41
nucho	0:efc16a3c5ce4	42	switch (cpi) {
nucho	0:efc16a3c5ce4	43	case 400:
nucho	0:efc16a3c5ce4	44	//config = config & 0x49
nucho	0:efc16a3c5ce4	45	break;
nucho	0:efc16a3c5ce4	46
nucho	0:efc16a3c5ce4	47	case 800: // Change cpi to 800
nucho	0:efc16a3c5ce4	48	config \|= 0x10;
nucho	0:efc16a3c5ce4	49	break;
nucho	0:efc16a3c5ce4	50
nucho	0:efc16a3c5ce4	51	case 1600: // Change cpi to 1600
nucho	0:efc16a3c5ce4	52	config \|= 0x04;
nucho	0:efc16a3c5ce4	53	break;
nucho	0:efc16a3c5ce4	54
nucho	0:efc16a3c5ce4	55	case 2000: // Change cpi to 2000
nucho	0:efc16a3c5ce4	56	config \|= 0x14;
nucho	0:efc16a3c5ce4	57	break;
nucho	0:efc16a3c5ce4	58
nucho	0:efc16a3c5ce4	59	default:
nucho	0:efc16a3c5ce4	60	error("setting fault\n cpi setting is only 400 or 800 or 1600 or 2000\n\r");
nucho	0:efc16a3c5ce4	61	break;
nucho	0:efc16a3c5ce4	62	}
nucho	0:efc16a3c5ce4	63
nucho	0:efc16a3c5ce4	64	cwrite(REGISTER_CONFIGURATION_BITS,config);
nucho	0:efc16a3c5ce4	65	}
nucho	0:efc16a3c5ce4	66
nucho	0:efc16a3c5ce4	67
nucho	0:efc16a3c5ce4	68	void ADNS6010::end()
nucho	0:efc16a3c5ce4	69	{
nucho	0:efc16a3c5ce4	70	npd_=0;
nucho	0:efc16a3c5ce4	71	}
nucho	0:efc16a3c5ce4	72
nucho	0:efc16a3c5ce4	73	void ADNS6010::start()
nucho	0:efc16a3c5ce4	74	{
nucho	0:efc16a3c5ce4	75	npd_=1;
nucho	0:efc16a3c5ce4	76	}
nucho	0:efc16a3c5ce4	77
nucho	0:efc16a3c5ce4	78	void ADNS6010::creset()
nucho	0:efc16a3c5ce4	79	{
nucho	0:efc16a3c5ce4	80	reset_ = 1;
nucho	0:efc16a3c5ce4	81	wait_us(10);
nucho	0:efc16a3c5ce4	82	reset_ = 0;
nucho	0:efc16a3c5ce4	83	}
nucho	0:efc16a3c5ce4	84
nucho	0:efc16a3c5ce4	85	void ADNS6010::set_freq(int freq)
nucho	0:efc16a3c5ce4	86	{
nucho	0:efc16a3c5ce4	87	if(freq>=500000&&freq<=2000000)
nucho	0:efc16a3c5ce4	88	{
nucho	0:efc16a3c5ce4	89	spi_.frequency(freq);
nucho	0:efc16a3c5ce4	90	}
nucho	0:efc16a3c5ce4	91	}
nucho	0:efc16a3c5ce4	92
nucho	0:efc16a3c5ce4	93	int ADNS6010::read_squal()
nucho	0:efc16a3c5ce4	94	{
nucho	0:efc16a3c5ce4	95	return cread(REGISTER_SQUAL)*4;
nucho	0:efc16a3c5ce4	96	}
nucho	0:efc16a3c5ce4	97
nucho	0:efc16a3c5ce4	98	// read the delta_X and delta_Y of the chip
nucho	0:efc16a3c5ce4	99	void ADNS6010::read_deltas(int* a_dx, int* a_dy) {
nucho	0:efc16a3c5ce4	100
nucho	0:efc16a3c5ce4	101	int * dx, * dy;
nucho	0:efc16a3c5ce4	102	dx=(int*)a_dx;
nucho	0:efc16a3c5ce4	103	dy=(int*)a_dy;
nucho	0:efc16a3c5ce4	104	*dx = 0;
nucho	0:efc16a3c5ce4	105	*dy = 0;
nucho	0:efc16a3c5ce4	106
nucho	0:efc16a3c5ce4	107	int motion = cread(REGISTER_MOTION); // read Motion register
nucho	0:efc16a3c5ce4	108
nucho	0:efc16a3c5ce4	109	if ((motion&0x80)==0x80) {
nucho	0:efc16a3c5ce4	110	*dx = MChipMotion(cread(REGISTER_DELTAX));
nucho	0:efc16a3c5ce4	111	*dy = MChipMotion(cread(REGISTER_DELTAY));
nucho	0:efc16a3c5ce4	112	}
nucho	0:efc16a3c5ce4	113	}
nucho	0:efc16a3c5ce4	114
nucho	0:efc16a3c5ce4	115	// read a register
nucho	0:efc16a3c5ce4	116	int ADNS6010::cread(unsigned char cregister) {
nucho	0:efc16a3c5ce4	117
nucho	0:efc16a3c5ce4	118	ncs_=0;
nucho	0:efc16a3c5ce4	119	// send the command to read the register
nucho	0:efc16a3c5ce4	120	spi_.write(cregister);
nucho	0:efc16a3c5ce4	121
nucho	0:efc16a3c5ce4	122	if(cregister==REGISTER_MOTION) wait_us(DELAY_TRAD_MOT);
nucho	0:efc16a3c5ce4	123	else wait_us(DELAY_TRAD);
nucho	0:efc16a3c5ce4	124
nucho	0:efc16a3c5ce4	125	// send dummy byte
nucho	0:efc16a3c5ce4	126	int reply = spi_.write(0x00);
nucho	0:efc16a3c5ce4	127	ncs_=1;
nucho	0:efc16a3c5ce4	128
nucho	0:efc16a3c5ce4	129	return reply;
nucho	0:efc16a3c5ce4	130	}
nucho	0:efc16a3c5ce4	131
nucho	0:efc16a3c5ce4	132	// Transform the reading of the mouse Delta register to actual motion
nucho	0:efc16a3c5ce4	133	int ADNS6010::MChipMotion(int reading) {
nucho	0:efc16a3c5ce4	134
nucho	0:efc16a3c5ce4	135	int displacement;
nucho	0:efc16a3c5ce4	136	if (reading <= 0x7f) {
nucho	0:efc16a3c5ce4	137	displacement = reading;
nucho	0:efc16a3c5ce4	138	} else {
nucho	0:efc16a3c5ce4	139	displacement = reading - 256;
nucho	0:efc16a3c5ce4	140	}
nucho	0:efc16a3c5ce4	141	return displacement;
nucho	0:efc16a3c5ce4	142	}

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

ADNS6010.cpp@1:ac87e825b0d7, 2011-11-21 (annotated)

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