STM8 MCUs

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

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STM8/128 demo fw broken (UARTs)

Posted on December 21, 2013 at 16:23The STM8/128-EVAL demo firmware provided by ST is broken: It does not correctly enable the output pins for the TX lines. Thus you will never see anything on the USARTs in the adc demos that are supposed to use the...

Tutorial/examples: Using sdcc with the STM8/128-EVAL

Posted on October 26, 2014 at 18:41I wrote a few tutorials for getting started with sdcc and the STM8/128-EVAL. One shows how to set up I/O and a timer. It uses the 4 red LEDs as a 4-bit counter than increments exactly once per second: http://www.co...

TIM1 TRGO FOR ADC

Posted on October 26, 2014 at 15:40I work on ST-Microcontroller  :STM8S003F3U6.I try to use TIM1 as a trigger (TRGO) for ADC interrupt.When I use the single pulse (TIM1_CR1_OPM=1)   mode (on TIM1 counter overflow) everything seems to work well, but ...

nataliap by Associate
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New Raisonance STM8, ST7 Compiler available

Posted on October 24, 2014 at 12:07Just FYI...    The new release of the Raisonance STM8, ST7 Compiler (v 2.58.15.0267) went on line. This is a maintenance release and corrects issues encountered in the latest anti-regression and performance testing...

STLUX 385 - GPIO interrupt.

Posted on October 21, 2014 at 11:25Hi, I have problem with gpio interrupt. I am trying configure and enable interrupt by calling function GPIO_Init(GPIO0, GPIO_PIN_0, GPIO_MODE_IN_FL_IT) but without success. In interrupt handler function INTERRUPT_H...

Bootloader not responding

Posted on October 04, 2014 at 12:31I'm using STM8L151G6 in a device. I've erased program and data memory using STVP and set bootloader checks 1 and 2 in option bytes (although as i understand this is not necessary since there is no data at address 0...

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dscdsc by Senior
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pointer problem (sdcc assembler)

Posted on September 26, 2014 at 16:37HelloWith the code below, i get returned an incremented caracter it self , the pointer is not,is it normal ? meaning my code is wrong . i mean i get U not O ...Or should I file a bug at sdcc comunity? ldw X,&shar...

remi2 by Associate II
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GPIO pin not driven high

Posted on September 04, 2014 at 14:58Hello, Ich have a question. I am connecting the output pin (PC7) of STM8S003K3 to input pin (PC7) of STM8S207S. When I set the pin to high, I do not see the input pin PC7 (as interrupt input) of STM8S207S goes to...

huck by Associate II
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pointer or stack problem?

Posted on September 23, 2014 at 17:41I'm not even sure what to ask so I'll explain the problem as best I can. I did search everywhere for an answer. Anyway, I have an embedded project with a STM8S208C8 micro. I developed the project in C using ST Vi...