文件列表:

usb_defs.inc (6103, 2001-05-17)
jademo.asm (8290, 2001-05-17)
JADEMO.cod (34304, 2001-05-17)
JADEMO.HEX (9856, 2001-05-17)
jademo.pjt (3323, 2001-05-17)
usb_ch9.asm (69795, 2001-05-17)
16c745.lkr (1786, 2001-03-20)

USB 16C745/765 firmware files V1.12 20 March 2001 V1.12 - Changes from V1.10: 1. Better parsing of HID class specific requests 2. Set Protocol returns a zero length packet instead of a protocol stall. 3. fixed bug in string descriptors (extra character returned on short packets) 4. include 16C745 linker script. This linker script is customized from the one provided with MPLAB to give more room to the vectors area. This allows us to completely save process context before jumping off to the ISR. V1.10 - changes from V1.00: 1. Simplified Get/PutUSB. The old version required passing the endpoint number in Wreg. The new version sets the endpoint number at assemble time by a SET assignment just above the Get function. The function can use either End point 1 or 2. The names have been changed to differentiate the new functions from the old ones. The new functions are called GetEP1 (or GetEP2) and PutEP1 (or PutEP2). 2. Descriptor pointers are now 16 bits long. This eliminates the 256 byte restriction on descriptors and also eliminates paging issues. 3. USBIF cleared before TOK_DNE 4. EP1 and EP2 now initialized in Set Config, instead of USBReset. USB V1.1 spec paragraph 5.3.1.2 requires that the non-control endpoints must not respond to requests until the device is configured. 5. HID class requests are more formally parsed out. 6. Minor code cleanups - remove dead code. Introduction These files provide a complete demo program. Just build the project and run it on the emulator or burn it into a part. The demo doesn't require any special hardware, just a connector for the USB part. The demo enumerates as a mouse device and moves the cursor in a small square pattern on the screen. You can use this as a starting point to develop your application, or you can link in USB_CH9.ASM, and HIDCLASS.ASM. You'll also need a file with descriptors such as USBMOUSE.ASM. See USB-UG.DOC for more details on the USB functions provided The project contains the following files: USB_MAIN.ASM - Main program including interrupt service code USB_CH9.ASM - Chapter 9 command support HIDCLASS.ASM - HID class specific command support USBMOUSE.ASM - Descriptors 16C765.LKR - Linker script

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