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}float get_float_usb(){char s[20];float

f;get_string_usb(s, 20);f

=atof(s);return(f);}#endif


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BIBLIOTECA

usb_san_desc.h:////////////////////////////////////////

///////////////////////////////////////

usb_desc_cdc.h ////////////////

////////////////////////////////////////

///////////////////////#IFNDEF

__USB_DESCRIPTORS__#DEFINE

__USB_DESCRIPTORS__

#include////////////////////////////

////////////////////////////////////////

//// start config descriptor //


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/ right now we only support

one configurationdescriptor./// the config,

interface, class,

and endpoint goes into

this array./////////////////////////

////////////////////////////////////////

////#DEFINE USB_TOTAL

_CONFIG_LEN 67//config+interface+class+en

dpoint+endpoint (2 endpoin

ts)const charUSB_CONFIG_DESC[] =

{//IN ORDER TO

COMPLY WITH

WINDOWS HOSTS, THE


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ORDER OF THIS ARRAY

MUST BE:// config(s)//interface(s)// class(es)//

endpoint(s)//config_descrip

tor for config index

1USB_DESC_CONFIG_L

EN, //length of descriptor si

ze ==0USB_DESC_CONF

IG_TYPE, //constant CONFIGURATION (CONFIGU

RATION 0x02) ==1USB_

TOTAL_CONFIG_LEN,0,//size of all data returned f

or this config ==2,32, //nu

mber of interfaces this devi

ce supports ==40x01, //iden


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tifier for this

configuration. (IF we hadmore than one configuratio

ns) ==50x00, //index of stri

ng descriptor for this config

uration ==60xC0, //bit

6=1 if self powered, bit

5=1 if supports remote wak

eup (we don't), bits 0-4 unused and bit7=1 ==70x

32, //maximum bus power

required (maximummilliamperes/2) (0x32

= 100mA) ==8//interface

descriptor 0 (comm class

interface)USB_DESC_INT


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ERFACE_LEN, //length of

descriptor =9USB_DESC_INTERFACE_TYPE, //cons

tant INTERFACE (INTER

FACE 0x04) =100x00,

//number defining this

interface (IF we had

more than one

interface) ==110x00, //alternate setting ==121, //numb

er of endpoints ==130x02, /

/classcode, 02 = Comm Interface

Class ==140x02, //subclass

code, 2 = Abstract ==150x

01, //protocol code, 1 = v.2


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5ter ==160x00, //index of s

tring descriptor for interface ==17//class descriptor

[functional

header]5, //length of descri

ptor ==180x24, //dscriptor t

ype (0x24 == ) ==190,

//sub type (0=functional

header)==200x10,0x01, // ==21,22

//cdc version

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//class descriptor [acm

header]4, //length of descriptor ==230x24, //dscriptor t

ype (0x24 == ) ==242, //su

b type (2=ACM) ==252,//capabilities ==26 //we

support Set_Line_Coding,

Set_Control_Line_State,

Get_Line_Coding, and

the notification

Serial_State.//class

descriptor [union


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ptor ==270x24, //dscriptor type (0x24 == ) ==286, //su

b type (6=union) ==290,

//master intf ==30 //The

interface number of the

Communication or Dat a Cl

ass interface, designated

as the masterorcontrollinginterface for the

union.1,

//save intf0 ==31 //Interface number of first slave

or associated interface in

the union. *//class

descriptor [call mgmt


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ptor ==320x24, //dscriptor type (0x24 == ) ==331,

//sub type (1=call

mgmt) ==340, //capabilities

==35

//device does not handle cal

l management itself 1, //dat

a interface ==36//interface number of data c

lass interface//endpoint

descriptor USB_DESC_ENDPOINT_LEN, //length of

descriptor ==37USB_DES

C_ENDPOINT_TYPE, //co

nstant ENDPOINT (ENDP


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OINT 0x05) ==38USB_CD

C_COMM_IN_ENDPOINT | 0x80, //endpoint number

and

direction0x03, //transfer ty

pe supported (0x03 is interr

upt) ==40USB_CDC_CO

MM_IN_SIZE,0x00, //max

imum packet size supported ==41,42250, //polling

interval, in ms.

(cant be smaller than 10) ==43//interface descriptor 1

(data class

interface)USB_DESC_INT

ERFACE_LEN, //length of


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descriptor =44USB_DESC

_INTERFACE_TYPE, //constant INTERFACE (INTE

RFACE 0x04) =450x01,

//number defining this

interface (IF we had

more than one

interface) ==460x00, //alter

nate setting ==472, //number of endpoints ==480x0A,

//class code, 0A = Data

Interface Class ==490x00, //subclass code ==500x00, //

protocol code ==510x00, //i

ndex of string descriptor fo

r interface ==52//endpoint


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descriptor USB_DESC_EN

DPOINT_LEN, //length ofdescriptor ==60USB_DES

C_ENDPOINT_TYPE, //co



C_DATA_OUT_ENDPOI

NT, //endpoint number and

direction (0x02 = EP2 OUT) ==620x02, //transfer type

supported (0x02 is bulk) ==

63// make8(USB_CDC_DATA_OUT_SIZE,0),make

8(USB_CDC_DATA_OUT

_SIZE,1), //maximum pack

et size supported ==64,65U


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SB_CDC_DATA_OUT_SI

ZE & 0xFF,(USB_CDC_DATA_OUT_

SIZE >> 8) & 0xFF,

//maximum packet size

supported==64, 65250,

//polling interval, in ms.

(cant be smaller than 10) =

=66//endpointdescriptor USB_DESC_EN

DPOINT_LEN, //length of

descriptor ==53USB_DESC_ENDPOINT_TYPE, //co



C_DATA_IN_ENDPOINT


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| 0x80, //endpoint number

and direction (0x82 =EP2 IN) ==550x02, //transf

er type supported (0x02 is

bulk) ==56// make8(USB_

CDC_DATA_IN_SIZE,0),

make8(USB_CDC_DATA

_IN_SIZE,1), //maximum p

acket size supported ==57,58USB_CDC_DATA_IN_

SIZE & 0xFF, (USB_CDC

_DATA_IN_SIZE >> 8) &0xFF, //maximum packet si

ze supported ==64, 65250,

//polling interval, in ms.

(cant be smaller than 10) =


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=59};//****** BEGIN

CONFIG DESCRIPTORLOOKUP

TABLES ********//since

we can't make pointers to

constants in certain pic16s,

this is an offset table to

find// a specific descriptor

in the above table.//themaximum number of

interfaces seen on any

config//for example, ifconfig 1 has 1 interface and

config 2 has 2 interfaces

you must define this as


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2#define USB_MAX_NU

M_INTERFACES 2

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PEFIFRICOS266//define how many

interfaces there are perconfig. [0] is the first

config, etc.const

char USB_NUM_INTERF


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ACES[USB_NUM_CONFI

GURATIONS]={2};//define where to find class

descriptors//first dimension

is the config

number //second dimension

specifies which

interface//last dimension

specifies which class in thisinterface to get, but most

will only have 1 class per

interface//if a classdescriptor is not valid, set

the value to

0xFFFFconst int16 USB_C

LASS_DESCRIPTORS[U


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SB_NUM_CONFIGURAT

IONS][USB_MAX_NUM_INTERFACES][4]={//conf

ig 1//interface 0//class 1-

418,23,27,32,//interface

1//no classes for this

interface0xFFFF,0xFFFF,0

xFFFF,0xFFFF};#if

(sizeof(USB_CONFIG_DESC)

!= USB_TOTAL_CONFIG

_LEN)#errorUSB_TOTAL_CONFIG_L

EN not defined

correctly#endif /////////////////

////////////////////////////////////////


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/////////////// start device desc

riptors/////////////////////////////////////////////////////////////////////

const char

USB_DEVICE_DESC[US

B_DESC_DEVICE_LEN]

={//starts of with

device configuration. only

onepossibleUSB_DESC_DEVI

CE_LEN, //the length of

this report ==00x01, //theconstant DEVICE

(DEVICE

0x01) ==10x10,0x01,

//usb version in


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bcd ==2,30x02, //class

code.0x02=Communication

Device Class ==40x00,

//subclass code ==50x00,

//protocol code

==6USB_MAX_EP0_PAC

KET_LENGTH, //max

packet size for endpoint 0.(SLOW SPEED

SPECIFIES 8)

==70xD8,0x04, //vendor id(0x04D8 is Microchip)0x0

A,0x00, //product id//

RR2 cambiado para 0x61,0

x04, //vendor id


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(0x04D8 is Microchip, or is

it 0x0461 ??) ==8,9//compatibilidad con .inf

0x33,0x00, //product

id ==10,11// de

Microchip0x00,0x01, //dev

ice release

number ==12,130x01,

//index of string descriptionof manufacturer. therefore

we point to string_1 array

(see below) ==140x02,//index of string

descriptor of the

product ==150x00, //index

of string descriptor of serial


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number ==16USB_NUM_

CONFIGURATIONS //number of

possible configurations ==1

7};//the offset of the

starting location of each

string. offset[0] is the start

of string 0, offset[1] is the

start of string 1,etc.char USB_STRING_D

ESC_OFFSET[]={0,4,12};

char constUSB_STRING_DESC[]={/

/string 04, //length of string

indexUSB_DESC_STRIN

G_TYPE, //descriptor type


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0x03

(STRING)0x09,0x04, //Microsoft Defined for US-

English//string

18,USB_DESC_STRING_

TYPE,112,0,105,0,99,0,//st

ring 232,

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USB_DESC_STRING_TY

PE,115,0,97,0,110,0,100,0,114,0,111,0,' ',0,106,0,117,

0,99,0,97,0,' ',0,117,0,115,0

,98,0};#ENDIF

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