Blog Archives
trouble in jump to application code from boot code for r5f565ncddfc controoler
Hello, We noticed you opened up three other private tickets on the same topic as the one here. To that extent, we wish to inform you that the issues exposed do not seem to indicate a malfunction anywhere in the
Upgrading to 4.8.4.201801-GNURX -> multiple definition of `_cleanup_glue’ and `__reclaim_reent’ linker errors.
Hello, Thank you for reaching out to us. Unfortunately, based on the information provided, we can’t reproduce the issue using a sample project. Can you please send us your entire project? In order to send us the project, please open
Can I use “new” operator?
Hello, Thank you for reaching out to us. Unfortunately, based on the information provided, we can’t reproduce the issue with a sample project using the GNURL78-ELF Toolchain v4.9.2.201701. Could you please confirm if you use e2studio for project building or
“Newlib” and “Optimized”
Hello, You may use any of the libraries, in general “optimized” has more functions optimized in assembly, so it has better performance, while “newlib” is aimed at compatibility and had better support from RedHat over the years. Another notable difference
Project linker error R5F10268 in CC-RL
Hello, Thank you for your inquiry! Unfortunately, we are not able to reproduce the problem using a default CC-RL project. Can you please send us the project that is causing you the mentioned issue? — Best regards, The GNU Tools
UART not working.
Hello, The code you sent to us does not compile unfortunately, so we took the liberty and created a sample project ourselves. Once we configured the UART driver in code generator, everything was working fine with the simulator. At this
IO port bit access problem
Hello, We just wanted to let you know that have opened an internal ticket based on your finding, which we are pursuing to handle entirely in the upcoming release 2018q3 of the toolchain. If you prefer, once we have the
sprintf() format specifiers don’t seem to be working… why not?
Hi, I am facing the same Problem. I can see that the IO pins are working in simulator but not the UART output. void main(void) { R_MAIN_UserInit(); /* Start user code. Do not edit comment generated here */ R_UART0_Start(); P1
IO port bit access problem
Hello, There is no atomic access specific support in the C compiler, therefore GCC by default does not guarantee atomic access. Early on in the GCC development stages however, these problems were recognized and addressed with built-in functions. RX implementation is
Stack initialization assembly code
Hello, Creating a new RL78 project in e2studio will automatically generate files containing the necessary startup instructions based on the desired device. You can find the stack initialization code in the generate/start.S assembly file. Please let us know if we

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