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Jyrki Koivisto
Finland
เข้าร่วมเมื่อ 22 เม.ย. 2011
Soldering new chips to A500 rev. 6 (1Mb of chip ram total)
Adding 512k worth of dram to rev.6 A500 board (no jumper settings shown)
มุมมอง: 203
วีดีโอ
Actually running Pace constraint editor on Linux!
มุมมอง 812 ปีที่แล้ว
Managed to run Pace constraint editor on Fedora 35!!! Changed pace_old into script #! /bin/sh xhost SI:localuser:root sudo rpcbind xhost -SI:localuser:root /home/jynkky/xilinx/14.7/ISE_DS/ISE/bin/lin/pace_old.bin Installed motif providing libXm Installed libnsl Installed 75dpi and 100dpi xorg-fonts from Fedora33 koji.fedoraproject.org/koji/buildinfo?buildID=1805416 Installed old libstd www.rpmf...
Xilinx/Digilent clone DLC9LP platform cable on Fedora 35
มุมมอง 1.1K2 ปีที่แล้ว
I installed ISE14.7 to my home directory ($HOME/xilinx) the windriver cable installation failed (much too new kernel, I think it maxes out at Linux 2.5 or 2.6, my Fedora35 has 5.15.7-200.fc35.x86_64) Had to install ncurses-compat-libs before the ISE installation could proceed (sudo dnf install ncurses-compat-libs) also I installed the kernel-devel (sudo dnf install kernel-devel) I ran Digilent ...
circle line collision and line dissecting algorithm
มุมมอง 1653 ปีที่แล้ว
2D circle line collision and dissecting of the line into smaller pieces (two, one or none) github.com/Dzy/CodingMath/tree/master/episode33_line_circle
stm32h7 1024x768@75Hz
มุมมอง 4253 ปีที่แล้ว
Now on GitHub, github.com/Dzy/stm32h7-hdmi U-Boot init code works a treat for setting the TDA9983B HDMI/DVI chip. (well not really, image skips every other pixel... :( ) stm32h7 1024x768@75Hz
It's ALIVE!
มุมมอง 3713 ปีที่แล้ว
STM32H7 running at 480MHz with 32-bit SDRAM interface and outputting HDMI video signal Link to the EasyEDA project: easyeda.com/jyrki.j.koivisto19/stm32f7_copy_copy_copy_copy_copy
ACPL C790
มุมมอง 1293 ปีที่แล้ว
Bipolar high voltage capable front end for microcontroller. ACPL-C790 can take differential input of -200mV and output differential signal (around 1.25V and 2.5V or so...). For better conversion the Bluepill ADC should really have analog reference voltage of 2.5V, ADC reference voltage is tied to 3.3V on that board.
STM32H743 PCB order
มุมมอง 1493 ปีที่แล้ว
STM32H743 with DVI(along with I2S sound)/HDMI transmitter and a USB Type A connector, also 32-bit SDRAM Let's see if it works when the PCB arrives...
Exercise in futility (OpenGL cube shader of some sort...) Viewcube...
มุมมอง 1264 ปีที่แล้ว
Exercise in futility (OpenGL cube shader of some sort...) Viewcube...
fstl fork for yet another clone project...
มุมมอง 714 ปีที่แล้ว
fstl fork for yet another clone project...
STM32H7 Utah teapot (USB mouse HID control)
มุมมอง 3824 ปีที่แล้ว
STM32H7 Utah teapot (USB mouse HID control)
jlcpcb 4-layer VGA interface (GM7123). 18-bit colour with L8 CLUT. External precise 8MHz oscillator.
มุมมอง 2954 ปีที่แล้ว
jlcpcb 4-layer VGA interface (GM7123). 18-bit colour with L8 CLUT. External precise 8MHz oscillator.
TMS9995 Heidenhain TNC155A CLP debugger
มุมมอง 3195 ปีที่แล้ว
TMS9995 Heidenhain TNC155A CLP debugger
stm32h7 with 32-bit sdram interface (256 MBit)
มุมมอง 2.1K5 ปีที่แล้ว
stm32h7 with 32-bit sdram interface (256 MBit)