32-bit external device connection issue
Hi,I am new to RZ family MPUs. I am designing high speed data acquisition board.I want to write data from external 32-bit ADC (dual channel 2x16bit, parallel interface) at 65 MHz frequency rate via DMA...
View ArticleCode execution too slow
Hello, We have found out that processing is too slow on our Renesas RZ A1M target, but we can't figure out what is wrong. For benchmarking purposes the following code is written: #define...
View ArticleConnecting external monitor to Renesas R-car H3
Hi,I am using the R-car H3 starter kit for my development. I would like to connect the external monitor to board via hdmi port.I am building the yocto image as described in...
View ArticleQt QML application app run slowly
I am working with RSK RZA1 starter kit. I set up Qt creator to be cross-compiler successfully.I have a Qt qml app. I build it by Qt creator and deploy it to board successfully.But the app run slowly,...
View ArticleRZG1E schematics or design files
Hi There, does anybody knows where to find the RZG1E schematics or design files ? While the zip file posted on this page has the correct name, the contents of the file belong to the RZ1GM board...
View ArticleIRQ Stack location
Hi!While debugging my project I've found out that my IRQ stack are mixed with application stack: both of them are allocated in the same RAM portion.I managed to move the IRQ stack in its dedicated area...
View ArticleGraphics layers
Hi,Someone has an example about using two graphics layers with hardware alpha blending?I would like to have a background image on bottom layer and some transparent objects on top layer.I am using...
View ArticleIRQ Stack location
Hi!While debugging my project I've found out that my IRQ stack are mixed with application stack: both of them are allocated in the same RAM portion.I managed to move the IRQ stack in its dedicated area...
View ArticleXIP linux from NOR FLASH
Does anyone has experience with XIP Linux porting on NOR Flash instead SPI FLASH?Actually I tried XIP Linux QT and DirectFB Demos for the RZ/A1 RSK Board.I wish to port all on NOR Flash.Thanks...
View ArticleRZ/T1: Changing the priority of the current interrupt
Hi,I'm new to RZ/T1 but have experience with SH2A CPUs. I'm currently struggling with some issues with nested and reentrant interrupts. Can I somehow set the priority of the current interrupt to a...
View ArticleUsing the Data Ram of the Rz/T1
Hello Renesas,im using the KPIT GNUARM-NONE_EABI Toolchain and the newest E2Studio version.I want to use the Data Ram of the RzT1 @ 0x2000.0000 as extension RAMFirst i tryed the follow:__attribute__...
View ArticleFlash programming
Hello, I'm working with Rz/A1L family controller and is interesting to program the flash with my SW and run it from RAM on power on. When I'm working with evaluation board((R7S721021 controller), I'm...
View ArticleFlash programming
Hello, I'm working with Rz/A1L family controller and is interesting to program the flash with my SW and run it from RAM on power on. When I'm working with evaluation board((R7S721021 controller), I'm...
View ArticleCAN driver bug
Hi,I would like to signal a bug on linux driver for CAN bus on RZ/A1H:https://github.com/renesas-rz/linux-3.14/blob/master/drivers/net/can/rza1_can.c near to line 458 the line:reg &=...
View ArticleHow to configure Ethernet for my board running with yocto Linux image
Hi All,I am trying to Ethernet connection of my board.I tried to provide IP address before booting the board, usingsetenv ipaddr 192.168.xx.xxsaveenvBut after booting the boad when i do Ifconfig,...
View ArticleNC_BSS (what does this mean?)
Reading some code for a RZ micro I found:static uint8_t An_Array[SIZE]__attribute((section("NC_BSS"),aligned(32)));What is the meaning of this?(I mean, I understand that the attribute mark is placing...
View ArticleXIP and writeable FS
Hello,I'm currently playing with AXFS and XIP kernel on a custom board (based on RZ/A1H). I successfully boot on my XIP kernel and mount my AXFS rootfs.But I would like to store temporarily some new...
View ArticleStupid question: What am I missing when setting bit rate for SCIF7?
I'm adapting some Renesas code to my hardware - and one of the changes is to use SCIF7 instead of SCIF2. I've changed all the pin configurations and set up the registers as I did on another project -...
View ArticleNeed help with e2studio debug configuration on RZ/A1H board
This may be an e2studio question - but I didn't see how to cross-post into two forums...I'm adapting the RGA Sample app for RZ to my custom hardware (using e2studio). At first, I had trouble getting...
View Articleuse two single QSPI on RZ.
Hello,I was wondering if it's possible to run a XIP kernel on a single QSPI and use the second QSPI for other business (mount a ext4 partition on it for R/W on files for example) ?Anyone had already...
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