STM8 MCUs

Discuss STM8 microcontrollers, including SWIM, USART configurations, RTC usage, ADC issues, and debugging.

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stm8l151g4 DMA USART recieve only once

Hi.i'm try using USART1 and recieve bytes with DMA from SBUS transmitter.. But have strange problem - i'm recive only once and later DMA IRQ TC2 never occure. I'm try many variants - all not help me(((Here my some code - #define USART_DMA_CHANNEL_RX ...

Esten.11 by Associate
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The problem is that the controller of stm8 doesn't work after it has been used on the vehicle for a period of time, and the controller function is invalid. Once in the past, the controller can work normally after re burning the program, but this time ther

The problem is that the controller of stm8S208C8T6 doesn't work after it has been used on the vehicle for a period of time, and the controller function is invalid. Once in the past, the controller can work normally after re burning the program, but...

Wzhan.5 by Associate
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How to fix Cosmic Compile Error(FlexLM No such feature exists)

I want to develop an STM8 device using STVD + Cosmic Compiler.Compiler was installed with the license received by Cosmic, and the license was copied to the License folder in the Cosmic Compiler installation path (C:\Program Files (x86)\COSMIC\FSE_Com...

UHam.1 by Associate
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STM8L050J3 SON8N - how to generate PWM on PC5 ?

Hello,I am trying to generate a PWM signal on pin PC5 using TIM2_CH1 , but no success. But I am able to generate PWM on pin PD0 using TIM3_CH2.Normally the procedure is quite simple :for TIM2_CH1 - pin PC5 TIM2_OC1Init(TIM2_OCMode_PWM1,  TIM2_OutputS...

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SDomn by Associate
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Resolved! How to read the pins map of STM8S001J3?

I have a chip with 8 pins, but I could find the start sign for pins order, should I start from left-bottom or left-upward corner?

MQi.1 by Senior II
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What is the epilogue_w4() library call and how to stop using it?

In a function declared in RAM, I get the following warnings from the STM8 IAR compiler:Warning[Ta005]: Library call (?epilogue_w4) from within a __ramfunc function C:\myproject\src\myfiles.c 110 In the .map, I found that this function was part of vre...

GBert.2 by Senior
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Does ST still maintain the STM8 Peripheral Libraries?

For example the status of "STM8L15x/16x/05x/AL3Lx/AL31x standard peripheral library" STSW-STM8016 claims it is active. But the release notes seem to suggest that the last time someone took a look at it was at the end of 2014. That's not very active...

WilkoL by Senior
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