Read data through USB blaster
I have this custom board that has no JTAG connector (set up for Active Serial with an EPCS4 flash). I can load a NIOS2 on it using tricks learned in this forum and I can flash LEDs on board. Is there a...
View ArticleWhat do I need before design custom board? I'm a software guy
Hello all, I need to build a custom board with fpga. Could someone show me where to start to build your custom board? I have a fpga chip and what do I need to hook up the chip, power, pins on...
View ArticleBaremetal examples which uses u-boot doesnt work
Hello I am trying to run Baremetal appication on Cyclone V SoC on SoCrates 1.2 board. Simple applications like Altera-SoCFPGA-HelloWorld-Baremetal works, but as I get to Altera-SocFPGA-HardwareLib-FPGA...
View ArticleIntegrate speed signal to obtain angle signal
Dear all, In simulation, I obtained electric machine speed signal wr. I need to integrate the speed signal wr through each period to obtain the angle signal in the range of [0 360] electric degree...
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Flash programming problem
Hi All, I wanted to store my *.elf software in the DE2 flash memory to be able to boot without PC like an embedded system. The university program SoPC Builder extension supports the flash controller IP...
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Flash CFI in SoPC Builder
Hi All, I am trying to connect 22x8 bit (4MByte) flash memory on DE2 board via flash cfi controller. If I connect it to the Avalon tri-state bridge I got the following error: "signal tri_state master...
View ArticleReconfigure after power on via EPCS64
Hi, I want to reconfigure and initialize a cyclone III from an EPCS64. I store the configuration in EPCS and then when the system is power on, I want to transfer configure file to the FPGA. Could I use...
View ArticleHow generate signal DCLK?
Hi, When the FPGA is power on and the FPGA does not have any internal configuration. Is generated automatic the signal DCLK, to load a configuration from an EPCS? Must I generate it with an external...
View ArticleAtheros AR7241
Dear All. I'm a noob when it comes to this sort of thing but.... I've got a ubiquiti Access point (two actually) - one that works and one that is completly bricked - no serial console at all. I've...
View ArticleStratix IV make MIPI CSI-2 interface ?
May I use Stratix IV's transceiver to make MIPI CSI-2 interface ? ( to CMOS sensor ) Is there any document available ?
View ArticleModelsim error: Failed to open file "mem_init.mif" for reading?
Hey guys: I instantiated a synchronous RAM megafunction in my project and successfully compiled in Quartus and Modelsim. But when I run the simulation there is no waveform. I checked the Modelsim...
View ArticleNios II development from Quartus II v13.1
Hello all. I am a Nios II beginner and am hoping that one of you good folks out there can advise me on a good starting tutorial. Currently I have at my disposal a Cyclone III FPGA Starter Kit (not the...
View ArticleRead text, Audio, images, video from SD Card on DE1 Nios
Hello, I want use a 512MB SD card class 6 for my DE1 board. Is it compatible? I have gone through the documentation of SD core IP available in Qsys. But I have following queries: - how to get the...
View ArticleProgramming NIOS from Flash Memory on DE2i-150 Board
Hey Guys, I tried to put my NIOS program on the flash memory provided on DE2i-150 but when I try to use flash programmer in EDS I encounter error code 6. I want to know if anybody has any experience...
View ArticleDE2-115 control Via PC
Hi I am new in this environment my question is how can I use JTAG and transfer commands via C sharp (through buttons), so my board understand which button I pressed, and for example will light the...
View ArticleMatrix Library
Hi, Please can you help to install any matrix library on the Nios II IDE. In my application i need to use a matrix function as multiplication and eigen vector. Any library suggestion or any idea to...
View ArticleQSYS file changes without GUI
Hi, I am wondering whether there is a quicker way to handle my design, originaly built with QSYS GUI, without going through the whole proccess each time. i.e. if I want to replace a file with a new...
View ArticleSoC: Example C-code for accessing Avalon Slave peripherals?
Hi - I recently obtained an Arria V SoC card and I'm having a couple of problems... 1) All my existing designs present an external interface that looks like an Avalon Slave. In the past, I hooked this...
View ArticleAvalon Bus Interface
Hello everybody; How can I generate the waitrequest signal in my avalon slave logic, does it relat on the write or the address signals. Thanks
View ArticleProgrammer freezes on BeMicro CV - used to work fine
Help! I have 4 BeMicro CV boards that all of a sudden do not program. The programmer freezes up until I unplug the USB cable. When I try to use the JTAG debugger tool, the same happens - the Quartus...
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