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Questions tagged [renesas-rx]

15 questions
5
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1 answer

Is the following "flag" variable access safe between interrupt and user code?

We have inherited a project which targets Renesas RX231 microcontroller that I have been looking at. This uC has only one instruction that locks the bus for atomicity (XCHG). Because the processor is the only component that accesses RAM memory (no…
Krzysztof Bracha
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Interfacing SD card (R7FS7G27H2A01CBD + e2 studio) - Read/Write issue

I am encountering difficulties while attempting to interface an SD card with the R7FS7G27H2A01CBD microcontroller using e2 studio. Please assist me with the proper approach to interface an SD card, as I am a beginner. I am using Micro SD card…
Gopinath
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1 answer

__GETSR() function is not compiling in GHS compiler

Am working on Renesas RH850F1KM microcontroller. Am doing coding for Safety Mechanism for Code Flash ECC module. In our code we are using __GETSR() function to store the PSW address for future use. But am facing the following error. function __GETSR…
Kiran JP
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1 answer

Looking for IDE for PD78F0485 MCU (Renesas)

I cannot find an environment to work with PD78F0485 MCU. It is RL78/Lx3. But I only see support for 78L1, 78L2, 78L3,.... but not for Lx3(this MCU). Can you help me? I tried with e2studio, CS++, IAR...
vcld
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0
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2 answers

Multiple LED control with few GPIO pins in Renesas microcontroller

I need to control 12 leds through 4 GPIO pins. I did some reading online and saw we can use Charlieplexing method to control leds with fewer gpio pins. But is it possible to make two or more leds to glow at the same time in this method. Those 12…
aspiring_programmer
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memory addresses are not showing up in eclipse (e2studio) source debug view

I am debugging a C program using e2studio (eclipse) and Renesas Synergy. I have run into an issue when I am using the source code debugger, that the memory addresses are not showing up in the left column as they should. It is not about…
RufusVS
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Configuring ethernet comunication on Renesas R7FA6M3AH3CHP

I'm working with Renesas RA6M3 family and I'm having a hard time configuring ethernet communication using e2 studio. Examples that I've found are either for different microcontrollers or obsolete. There's no need for higher layers at this stage, the…
matt112358
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1 answer

F0520005:Could not open source file "r_bsp_config.h"

i'm working with renesas MCU RX65N, i want to make a serial connection with other board and also display an HMI i designed on Appwizard, i followed the steps they offer on their manuals but won't work either. Then found more information about how to…
Alejandro Peñafiel
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1 answer

External memory Data Copy through SPI -- Speed

Any experience still seems to be insufficient to answer those strange issues that pop up in serial communication buses. We are trying to implement a data copy from an external flash in to the SRAM. Below are the details how we have configured our…
Shankar
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IAR cannot set breakpoint a certain lines

I am using IAR for Renesas . The problem I am facing is , I cannot set breakpoint at few lines. Though I recompile and load it multiple times , I am unable to set breakpoint at these lines. If I look at the map file, I do not find any memory…
pranathi
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unhandled level 2 translation fault in h3ulcb running poky 2.1.3 while running cross-compiled cpp binary

yocto build 2.23 was succesfull and booted my renesas h3ulcb , cross-compiled an opencv application (2.4.13.7) using the sdk on the build system and when trying to execute the cross-compiled binary on the renesas the following error occurs. However…
Abhishek Abhi
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0
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2 answers

R-Car M3 MMC init fail

Recently I acquire a R-Car M3 development board. I had successfully built an embedded Linux image with YOCTO 3.9.0 by following the steps on elinux.org/.../Yocto-Gen3 I have also update the firmware of the board by following the steps on…
Carlos Ochoa
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1 answer

ROS support on Yocto 3.9.0

I recently acquired a Renesas R Car M3 board which runs on an embedded Linux image built by means of the Yocto project. We are currently using Yocto 3.9.0. We are looking forward to implement ROS kinetic libraries on this embedded Linux. Does the…
Carlos Ochoa
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1 answer

Renesas GCC linker error with shared code

I'm using GCC for Renesas with Renesas's E2 Studio IDE (v.6.2.0). Not that it should matter, but I've also used Applilet3 (v.3.08.01.05) to generate board support files and peripheral drivers. When I attempt to build, I get the following…
ahogen
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Configuration of ADC Renesas RX62N

I am using a Renesas RX62N; my screen uses ADC unit 1 and my code uses Unit 0. Is it so that the two ADC units cannot work together? When I run the "ADC" and the "Display code" separately it works fine but as soon as I try to integrate them and get…
Ashish Gupta
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