Gert van der Knokke

Activity

Reply to New VGA 640x400 70Hz library - Quote:These are the pins used: DIP5 - Monochrome bitstream (connect to R, G and B …
Gert van der Knokke - 24 Jul 2011
Program: vga640x400graphic
Gert van der Knokke - 24 Jul 2011
Library: vga640x400g
Gert van der Knokke - 24 Jul 2011
Reply to saving data in pc - The USB serial link maxes out at 921600 baud so you will need another way …
Gert van der Knokke - 23 Jul 2011
Reply to LD33 problem - How is your mbed powered ? Externally or only through USB ?
Gert van der Knokke - 23 Jul 2011
Reply to Mbed as floppy drive emulator - For some extra ideas: http://jimwarholic.com/2009/04/fdd-floppy-disk-drive-emulators.php
Gert van der Knokke - 22 Jul 2011
Reply to New VGA 640x400 70Hz library - Well, I ditched the whole double PWM thing and tried again with a different linked …
Gert van der Knokke - 21 Jul 2011
Reply to Read data from sd card - for reading just replace the "w" in the fopen command with "r" and use fgetc …
Gert van der Knokke - 21 Jul 2011
Reply to New VGA 640x400 70Hz library - Phew... Blanking on end of DMA does not work as the I2S system has a …
Gert van der Knokke - 20 Jul 2011
Reply to New VGA 640x400 70Hz library - I was not sure if it would have any impact so I tried both and …
Gert van der Knokke - 20 Jul 2011
Reply to Read data from sd card - I have used the SDHC filesystem with succes already: http://mbed.org/users/xxll/programs/SDHCFileSystem/5zdtq/docs/main_8cpp_source.html
Gert van der Knokke - 20 Jul 2011
Reply to New VGA 640x400 70Hz library - Not perfect yet but this one creates a steady canvas with bursts of DMA on …
Gert van der Knokke - 19 Jul 2011
Reply to New VGA 640x400 70Hz library - Well, spectacular results :-) By using direct DMA from the 'other' 32k and outputting only …
Gert van der Knokke - 18 Jul 2011
Reply to New VGA 640x400 70Hz library - Ivo van Poorten wrote: You could also setup DMA to transfer directly from the framebuffer …
Gert van der Knokke - 17 Jul 2011
Comment on: CP/M on mbed. - I know this thread is quite old but have you tried using ABSHRAM0 and ABSHRAM1 …
Gert van der Knokke - 17 Jul 2011
Reply to Brace matching in editor - Another good practice is to comment the closing braces with the name of the loop …
Gert van der Knokke - 14 Jul 2011
Reply to Set an output pin but never get a signal out - With this I ran to the limits of my display but maybe even the mbed …
Gert van der Knokke - 13 Jul 2011
Reply to basic DMA Example - DMA with a clock pin is going to be tricky as there is no default …
Gert van der Knokke - 12 Jul 2011
Reply to Set an output pin but never get a signal out - on what signal is the analyzer triggered ?
Gert van der Knokke - 12 Jul 2011
Reply to Set an output pin but never get a signal out - You might try Ivo van Poortens fastlib library http://mbed.org/users/Ivop/, I used it for my QVGA …
Gert van der Knokke - 11 Jul 2011