Description: 本设计采用Cypress公司支持USB2.0协议标准的EZ-USB FX2系列之CY7C68013芯片作为帧同步信号发送器的USB接口芯片，在uVision2开发环境下利用Keil C51完成了满足帧同步信号发送器基本要求的固件设计，具体采用了批量传输方式、大端点三缓冲设置、定时器中断方式的同步脉冲和数据的发送、软FIFO方式数据存放以及I2C总线下的LED显示等技术，最后协助编写USB底层驱动程序实现了固件自动下载。经过测试，所设计的帧同步信号发送器基本达到了课题所要求的基本原理性设计与验证。
-This design uses Cypress supports USB2.0 protocol standards of EZ-USB FX2 Series CY7C68013 chip as a frame synchronization signal transmitter of the USB interface chip, in uVision2 development environment using Keil C51 completed a frame synchronization signal to meet the basic requirements of transmitter firmware design, specific use of a bulk transfer mode, the endpoint buffer three settings, the timer interrupt the sync pulse and data transmission, soft FIFO mode and the I2C bus data repository under the LED display technology, assist in the preparation of the final bottom USB driver to achieve the firmware is automatically downloaded. After testing, the design of frame synchronization signal transmitter basic subjects required to achieve the basic principles of design and verification. Platform: |
Size: 603136 |
Author:xmuyfng |
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Description: This directory contains the 8051 firmware Vend_Ax source code
for the Cypress EZ-USB chip.
The purpose of this software is to demonstrate how
to implement vendor specific commands.
The following vendor specific commands are implemented:
A0 Firmware Upload/Download
A2 EEProm Load
A3 External Ram Load
A4 Set I2C Addr
A5 Get IIC Type (1 Byte or 2 Byte EEPROM)
A6 Get Chip Rev
A8 Renumerate Platform: |
Size: 25600 |
Author:Willson Yang |
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Description: 基于Cypress的68013实现的USB转I2C的源代码。USB端通信是利用预留指令0xA3实现的，基于最简单的控制流程。适合大家初步接触USB编程的人。下端用C51模拟I2C总线。-68013 Cypress-based implementation of the USB-I2C source code. USB client communication is the use of reserved instruction 0xA3 to achieve, based on the most simple control flow. USB programming for all initial contact person. Bottom of the C51 analog with I2C bus. Platform: |
Size: 54272 |
Author:chen hui |
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Description: FXLOAD UTILITY
这个程序是方便可以下载固件到FX，FX2，
和FX2LP的EZ-USB设备，以及原始AnchorChips的EZ-USB。
它的目的是要调用热插拔脚本时未编程
设备出现在总线上。
主要是作为一个开发援助，这也可以被用来更新
从I2C串行EEPROM引导设备上的固件。对于那
使用，以及将固件下载到所有其他的片外存储器，
的第二阶段加载程序必须首先被下载。
的分布包括“a3load.hex”，这是一个简单的第二阶段
装载机，上面列出的所有的EZ-USB产品。如果您
要写入至EEPROM，可以使用相应版本的
“Vend_Ax”与赛普拉斯开发工具包提供的代码。
UPDATES
请参阅下载页面http://linux-hotplug.sourceforge.net
最新的版本。 CVS存储库，拥有的最新版本
这个软件。该网站显示的一些方法，使用“fxload”
配合USB热插拔，，加载设备固件。
Linux的热插拔DEVEL-USB Linux的开发列表张贴任何错误报告。
如果你修改了代码，GPL要求你让你的更新
一般可用（在大多数情况下）。为它们在
形式的补丁对当前的CVS（CVS差异-U“），或
释放（“的差异-U老新”）是最有用的，否则它的尴尬
将这种变化为标准的分布。-
FXLOAD UTILITY
This program is conveniently able to download firmware into FX, FX2,
and FX2LP EZ-USB devices, as well as the original AnchorChips EZ-USB.
It is intended to be invoked by hotplug scripts when the unprogrammed
device appears on the bus.
Primarily as an aid for developers, this can also be used to update
firmware on devices which boot from I2C serial EEPROMs. For that
use, as well as downloading firmware to all other off-chip memory,
a second stage loader must first be downloaded.
The distribution includes "a3load.hex", which is a simple second stage
loader that works with all the EZ-USB products listed above. If you
want to write to an EEPROM, you can use the appropriate version of the
"Vend_Ax" code provided with the Cypress developer kit.
UPDATES
See the download page at http://linux-hotplug.sourceforge.net for the
latest release. The CVS repository there holds the most current version
of this software. The web site shows some ways to u Platform: |
Size: 23552 |
Author:杨强 |
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Description: Cypress FX2LP系列的USB 控制芯片 例如CYPRESS68013型号。 本例程实现了HID KEYBOARD的功能，通过I2C与外部数据通信。
主要处理在periph.c中的TD_POLL函数-Cypress FX2LP serial USB control chip. eg. CYPRESS68013 type。 this sample program use i2c interface to communincate with external keyboard, and realize HID keyboard function.
main process is in TD_POLL function of .periph.c file Platform: |
Size: 109568 |
Author:强强 |
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Search - cypress I2C TO USB