PIC16C745SLASHP datasheet(74/158 Pages) MICROCHIP

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PIC16C745/765

DS41124A-page 74

Advanced Information

10.9.7

ASSEMBLING THE CODE

The code is designed to be used with the linker. There

is no provision for include-able files. The code comes

packaged as several different files:

• USB_CH9.ASM - handles all the Chapter 9 com-

mand processing.

• USB_INTF.ASM - Provides the interface functions

PutUSB, GetUSB

• USBMACRO.INC - Macros used by

• USB_DEFS.INC - #Defines used throughout the

code.

• USB_INT.ASM - Sample interrupt service routine.

• 16C765.LKR - Linker script (provided with

MPLAB)

10.9.7.1

Assembly Options:

There are two #defines at the top of the code that con-

trol assembly options.

10.9.7.2

#define ERRORCOUNTERS

This define includes code to count the number of

errors that occur, by type of error. This requires extra

code and RAM locations to implement the counters.

10.9.7.3

#define FUNCTIONIDS

This is useful for debug. It encodes the upper 6 bits of

USWSTAT (0x197) to indicate which function is exe-

cuting.

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