About KWuer

KWuer · 2019-05-03

Hi, I have problem with I2C. I use NUCLO446RE as a slave. STM32Cube FW_F4 V1.24.0 or 24.1. Both versions have the problem. I using also Atollic True Studio for STM32 or STM32CubeIDE 1.0.0. The problem occures with both platforms.When the master reque...

KWuer · 2019-04-29

When I create a new project and put in "-u _printf_float" as linker option and select "Use float with printf from newlib-nano (-u _printf_float) then sprintf does not convert float values.but when I import a TrueStudio project where sprintf works wi...

KWuer · 2019-05-04

Ok, I found the problem. Was on the one hand my own fault, on the other hand apparently a mistake in the HAL. If the slave sends fewer characters than the master requests, no NACK will be sent. This does not trigger a NACK error interrupt which calls...

KWuer · 2019-05-03

Thank you very much for this solution. But the problem is, it occures every time I send bytes to the master. There is maybe something missing in the interrupt routine or I did something wrong. In the I2CTest.zip the example only sends 1 byte to the m...

KWuer · 2019-04-29

It looks like that I found the problem. The linkersript is wrong. The value _estack = 0x2001ffff; should be point one byte after the stack _estack = 0x20020000;Then snprintf works again.See also: https://stackoverflow.com/questions/28746062/snprintf-...

User statistics

User Activity

CubeHAL I2C slave pulls down clock line and let it not go. Who knows what I can do when wanting to enable clock stretching.

CubeIDE sprintf does not work with %f

Re: CubeHAL I2C slave pulls down clock line and let it not go. Who knows what I can do when wanting to enable clock stretching.

Re: CubeHAL I2C slave pulls down clock line and let it not go. Who knows what I can do when wanting to enable clock stretching.

Re: CubeIDE sprintf does not work with %f