原文地址:http://www.fpga4fun.com/PCI-Express6.html Let's try to control LEDs from the PCI Express bus. Xilinx's "Endpoint Block Plus" core allows us to work at the transaction layer level, so it's just going to take us a few lines of code.Instead of
原文地址:http://www.fpga4fun.com/PCI-Express5.html Xilinx makes using PCI express easy - they provide a free PCI Express core (called "Endpoint Block Plus") and a wizard to configure it, all that in their free version of ISE - ISE WebPack. So let's
1. pci_driver结构struct pci_driver { struct list_head node; const char *name; const struct pci_device_id *id_table; /* must be non-NULL for probe to be called */ int (*probe) (struct pci_dev *dev, const struct pci_device_id *id); /*
原文出处:http://www.fpga4fun.com/PCI-Express4.html 感觉没什么好翻译的,都比较简单,主要讲了TLP的帧结构 In the transaction layer, we receive "packets". There is a 32-bits bus and the packets arrive on the bus (packet lengths are always multiples of 32-bits). Maybe one packe
原文出处:http://www.fpga4fun.com/PCI-Express3.html Packetized transactions PCI express is a serial bus. Or is it? From the computer's perspective, it is a conventional bus where read and write transactions can be achieved. The trick is that all operation
原文出处:http://www.fpga4fun.com/PCI-Express2.html Point-to-point architecture At 2.5Gbps, the PCI Express Gen1 line speed is a whopping 75 times faster than the 33MHz legacy PCI speed.How is that possible? only because PCI express is a point-to-point bu
在FPGA4FUN上看到一篇介绍PCI-E的帖子,简单易懂,适合入门,特地搬过来 原文地址:http://www.fpga4fun.com/PCI-Express.html 前言: As PCI Express becomes common place in high-end FPGAs, let's see how easy FPGA vendors made the technology available. 由于PCI-E在高端FPGA中变得越来越常见,我们来看看FPGA厂商们是怎样让它很
Vehicle Network Protocols There are 5 protocols in the OBD2 system and a car will normally only use 1 of them PROTOCOLS J1850 PWM (pulse width modulation) used by Ford Motor Company and Mazda J1850 VPW (variable width modulation) used by General Mot
