Hello,
I want to use a 32Mb SDRAM to redirect the frame buffer of the GUIX graphic controller on it.To do this I have validated the External BUS in 16bits SDRAM mode, (this will be the only component that will use this external bus).The SDCLKout is On (120MHz).To validate the SDRAM operation, I created a section "MySectionSDRAM" in the fsp.ld file, and created an array in this section:
When I write in this table, I always read back 0.
So I must have forgotten a step for SDRAM initialization, but I can't find an example.
I don't see where I can check or change the timings if necessary?
I use e2studio 2021-04 with FSP 3.1.0
Thanks for your help,
Eric F
Last problem solved too!I had forgotten that the GUIX Stufdio project was defined in 16bits RGB...
Presumably you confugured tge SDRAM in E2 studio? Is this your own board or a dev kit?
hi Larry,
yes I use e2Studio for RA6M3.
I managed to validate the SDRAM by doing a SDRAMInit function at the input of my system_thread.Finally it works well for my test table, but now I have a problem with my graphics controller.
The format for the SDRAM is not correct, the image is doubled and "monochrome"... I configured my GLDC with format RGB 32bits 8888, SDRAM 16bits...
I will try to fix this problem.
Eric Hello Mr. Eric, I'm Mahmut Kocaman. I am an embedded system software engineer in Turkey. I'm new to Renesas processors. That's why I want to consult you about something. I'm trying to drive a 7" screen with a RA6M3 processor. I'm trying to do this on the segger emwin platform. I couldn't find a source for both GLCDC and external SDRAM configuration in E2 studio. Can you help me with this?