STM8 MCUs

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

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STM8S and EXTI and Continuous Interrupts

Posted on January 24, 2012 at 08:25MCU: STM8S105C6Port: GPIOBBit: 2 GPIOB:2 is the only pin/bit set up for external interrupt, yet regardless of any edge sensitivity setting in EXTI_CR1, once an interrupt is invoked it is continuously invoked while ...

Workalot by Associate III
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E/H/L ockets of 24 bit address

Posted on February 20, 2014 at 14:13Hi all,I cannot find what the meaning is of those E/H/L parts of the address! Nowhere in the datasheets are the abbreviations explained. I presume H and L are the High and Low ockets but what is E?I don't understa...

albert1 by Associate
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USB hardware with STM8 - library

Posted on November 10, 2013 at 19:22 Hello, Is there any software library that allows to build USB hardware with STM8 microcontroller without any additional chip? I am looking it but I have not found anything so far. Such library would greatly impro...

Float data doesn't make sense

Posted on February 28, 2014 at 12:07I set a floating-point (*data) , (*data) = (*data)/(pow(10,Strlen-3-DotPos)),(*data)=1234,pow(10,Strlen-3-DotPos)=100, the result was 12.33999 how did that happen? And I want to get an aprecise result 12.34.  How ...

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Software USB on STM8S

Posted on February 22, 2014 at 14:34I wrote a program receiving and transmitting data to the microcontroller STM8 (Tested on STM8S103F3)But so far not implemented in full support of the protocol itself USB :( Source code and description in Russian ...

Cosmic 32K compiler for STM8

Posted on February 04, 2014 at 14:31My STM8 Cosmic compiler (32K limited) does not work anymore because it seems that the free licence is out of date (but it isn't: it will run out August 2014). Compiler Error is: '' </p>   #error cpstm8 C:\Programm...

IAR Kickstart STM8L05 EEPROM

Posted on February 04, 2014 at 11:50Hi I'm using the 8K limited IAR Kickstart compiler on the STM8L051F3 (8K) I'm using EEPROM and get the following 3 Linker errors Error[Li005]: no definition for ''__eeprom_program_byte'' [referenced from eeprom_ut...

Andre1 by Associate II
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UNABLE TO MODIFY EEPROM

Posted on February 03, 2014 at 12:57Hello,I am having issues writing data into EEPROM of Stm8s003K3. I am using Stm8s Discovery development board and IAR IDE.I know the algorithm of unlocking the eeprom.I have attached the code I am using. The probl...