yampp3_code_010915
所属分类:系统设计方案
开发工具:Windows_Unix
文件大小:48KB
下载次数:3
上传日期:2006-07-29 15:24:01
上 传 者:
lptt
说明: yampp的MP3资料 非常好大家来看一看
(yampp MP3 very good information for everyone to see)
文件列表:
ata_if.c (7471, 2001-07-22)
ata_if.h (2283, 2001-05-27)
Copying.txt (18325, 2000-10-04)
delay.c (1389, 2001-05-26)
delay.h (1246, 2001-07-14)
fat.c (9179, 2001-09-15)
fat.h (16602, 2001-05-27)
lcd.c (4924, 2001-07-19)
lcd.h (3321, 2001-05-27)
makefile (2788, 2001-05-27)
mem.h (1380, 2001-05-27)
rec80.c (2768, 2001-07-22)
rec80.h (1276, 2001-05-27)
types.h (1672, 2001-05-27)
uart.c (9532, 2001-05-27)
uart.h (2220, 2001-07-14)
vs1001.c (5615, 2001-05-27)
vs1001.h (1791, 2001-05-27)
yampp3.c (16374, 2001-05-27)
yampp3.rom (20780, 2001-09-09)
README file for
yampp-3 source code 2001-07-22
This is the current state of the yampp-3 source code, 2001-07-22.
Note ! This file is intended for a 7.3728 MHz yampp-3 !
A few fixes since the 2001-05-27 version :
* Pullup activated on IR-Input makes it possible to run the player
without an IR-receiver.
* Pullups activated on IDE bus on input. Should improve signal
quality on the bus.
* Improved the Sector Read code.
This code is intended to run on Rev. B of the yampp-3 PCB, but can
ofcourse be used on compatible systems as well.
It still uses the "old" song selection system as the yampp-2.
However, the disk handling routines has improved a lot and the
obviosly, the new VS1001 handling has been put in.
The codesize is almost at it's maximum at 1F40 bytes.
A .ROM file is included if you don't have the compiler set up.
For now, the documentation is in the code ;-)
Have fun.
Jesper Hansen
jesperh@telia.com
www.yampp.com
www.myplace.nu
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