STM8 MCUs

Dear Experts,I already install STVD, STVP, and Cosmic. But, I have a problem here. When I try to make a project with STVD, at this page. (please see the image)My Cosmic toolchain path is not generated automatically. So, I have to find it again everytime I make a new project like this. Do you have some tricks to generate the path automatically ?Thanks & Best Regards,Mahendra

Hi Team,I have installed ST Visual Develop in ST web page. At the end of installation, installation page got stuck and then i have terminated by end task using task bar....After completion of installation, i have opened software then following error message has occurred as shown in figure "while_opening". and exit from IDE as shown as "while closing".In IDE --> help ---> Generate support file... pl find the file support file.....Please guide me to solve this issue soon....Thanks & Regards,Anand Kumar.

Hi All,​There are a questions about AN4656 Application note,while I am trying Access EEPROM by following this document.Where is the file(*.s19) mention in Chapter 8 .I have been searching on the ST official website, but found nothing.How do I obtain the file?​Thanks,All.​​​

hello all,I am currently trying to add STM8 peripherals to the Eclipse embsysregview plugin. For this I would need device descriptions in XML or SVD. For STM32 ARM devices these are published as SVD files (see e.g. https://www.st.com/content/st_com/en/products/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus/stm32-mainstream-mcus/stm32f1-series.html#resource), but seemingly not for STM8.And even if SVD files are not available for the STM8, I would be happy about any reasonable, machine readable format like XML, Excel or even structured text. Anything that avoids me

I am looking for an CAN bus example for the STM8A discovery board. App Note 4178 (LIN example) refers another App Note (4179) for a respective CAN example. However, I can't find it on st.com - nor can I find a suitable example via Google. Can someone support? Thanks a lot and have a great day! :)

It updates if I manually reset the board. I'm setting my baudrate as 11400, but it works only if I select the baudrate as 115200 on hyperterminal. Here is a snippet of what Im working on. (EDIT) It even works when I step through the code, not when I run itvoid main(void){ Serial_begin(14400); CLK_Config(); GPIO_Setting(); SYS_EXTI_Setting(); ADC_Setting(); PWM_Setting(); /* Infinite loop */ while (1) {  if(!adc_start){  adc_start = FALSE ;  ADC1_ScanModeCmd(ENABLE);  ADC1_StartConversion();  while(ADC1_GetFlagStatus(ADC1_FLAG_EOC) == 0);  ADC1_ClearFlag(ADC1_FLAG_EOC);  // Battery voltage calculation  uint16_t adc_recorded = ADC1_GetBufferValue(7);  Serial_print_int(adc_recorded);}

helloThis is a problem about ST Visual Develop software. After installation, click On Programmer, it will close automatically. How do you solve this problem.best wishes

Hello @John E KVAM​ ,I would like to know how to use VL53l0X with stm8s003F3 using the API library.Kind regards.Augusto.

HIi have connected a stm8s003f3p6 to a common anode 7segment.one of segments has connected to PC7 gpio and it is always on because PC7 does not drive to high level voltage.it would be appreciated if help me?thanks

Please help. What do I miss? I can get timer2 to generate interrupt every 5us, but not 1us. I use sample code from stm8s discovery board. Scope capture (on pin LED2_Y, attached) shows interrupt period of 5us. Captures of Registers are also attached. See my code below:#define LED1_Gn               GPIO_PIN_0#define LED2_G               GPIO_PIN_5#define LED2_Y               GPIO_PIN_6   CLK_DeInit();   CLK_HSECmd(DISABLE);          CLK_LSICmd(DISABLE);   CLK_HSICmd(ENABLE);        while(CLK_GetFlagStatus(CLK_FLAG_HSIRDY) == FALSE);

Posted on March 30, 2011 at 12:52I've tried to look for a Modbus RTU version for the STM8s. It seemed that nothing exists yet. So I decided to write a tiny version of it for the only purpose of the most basic RTU functions that do the job, which are function code 03 = READ HOLDING REGISTER function code 16 = PRESET MULTIPLE REGISTER I already tested a preliminary version of the code with several MB RTU masters (taken from the web). As soon I'll will make the code available if someone is interested. Good job Stefano #uart #stm8s #modbus #rtu

I'm a beginner at STM8 programming. I'm designing a quad trailing-edge dimmer as my first STM8S003F3 project. I have a zero crossing pulse tied to a pin and generating an interrupt, and on this interrupt I want to trigger pulses on four output that end at the correct time (to achieve mains PWM dimming).So far I am testing with a very slow one-pulse timer and an LED, initialized as follows:TIM1_DeInit(); TIM1_TimeBaseInit(2000, TIM1_COUNTERMODE_UP, 0x7FF, 0); TIM1_OC3Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_DISABLE, 0x3FF, TIM1_OCPOLARITY_HIGH, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_RESET, TIM1_OCNIDLESTATE_RESET); TIM1_SelectOnePulseMode(TIM1_OPMODE_SINGLE); TIM1_GenerateEvent(TIM1_EVENTSOURCE_UPDATE); TIM1_CtrlPWMOutputs(ENABLE); TIM1_Cmd(ENABLE);Then once per second I call TIM1_Cmd(ENABLE); and get one pulse -- but the start of the pulse is of course delayed (pulse length 3ff).By sett

We have many STM8S001J3 connected to the same data bus. Each of them should generate a random number to use it as its own ID. We cannot use ADC to generate the number because all pins are in use. We cannot use clock because all MSU boot at the same time. Any other variants?

Hi,STM8CubeMX-1.5.0 setup doesn't start on MacOS Mojave !One more question, Can I use STM32CubeIDE / STM32CubeMx tools to develop on STM8 ?Thank you

regarding STM8L001J3 , Should I code directly into the register?No library..?

Hi We have a product in market which uses UPSD3234  controller. Can someone please suggest a controller that can be used to replace this with minimal code changes that supports USB2.0 or above and has more than one UARTEthernet (optional)Thank you.

After downloading the stToolset_pack42 installation package from the official website, it will get stuck when installing to the following steps, resulting in the failure of installation. May I ask how to solve this problem?

Hi All, This is my first MCU project attempt and figured I would build a 7-segment clock. I have managed to write a little bit of code to configure the GPIOs in the way that I want them as well as the system clock, but I cannot for the life of me figure out how to get the RTC up and running (after reading the notes in the source file). I seem to have slammed into a wall at the RTC_Init stage. My current system clock setup is this:void clk_setup (void){ //Disable the CLK, ready for setup CLK_DeInit; //Set Hi-Speed Internal to On CLK_HSICmd(ENABLE); //Set Hi-Speed External to off CLK_HSEConfig(CLK_HSE_OFF); //Set Lo-Speed Internal to on CLK_LSICmd(ENABLE); //Wait for Busy flag to go low while(CLK_GetFlagStatus(CLK_FLAG_LSIRDY) == FALSE); //Set Lo-Speed External to ON 32,768Khz CLK_LSEConfig(CLK_LSE_ON); //Wait for Lo-speed external busy flag to go low wh

Hello! I'm wondering how much MTBF is for the STM8AF6223PDAU and STM8AF6226TDY microcontroller? For temperatures 100 and 150 degrees.The datasheet does not contain this information.

As per attached screen shot 1 of my code it rebuild successfully but when i debugging this code with STM8S discovery evaluation board expected value after code run not shown in watch window as per screen shot 2

Hello, I'm trying to implement a simple frequency counter. The idea is I have some external signal sitting at 6MHz, and I want to measure it by simply starting the TIM1 counter, waiting 1ms (delay), then reading the count, which I'd expect to be about 6,000. I also have an AND gate which i use to control when the 6MHZ is present on pin C6 (TIM1 chan 1); by writing high to the end gate the signal is present and by writing low, there is no signal. This is the only job for the microcontroller, and the signal in question isn't fast changing so taking a 1ms sample every 200ms should be more than enough.Here's my main routinemain(){ clock_setup(); GPIO_setup(); UART1_setup(); TIM1_setup(); TIM4_setup(); SerialPutString("Starting STM8 \r\n"); while(1){ GPIO_WriteReverse(GPIOD, GPIO_PIN_2); //LED delay_ms(200); //slow down the blinking TIM1_setup(); //TIM1_SetCounter(0); //Clear the count GPIO_WriteHigh(GPIOC, GPIO_PIN_4); //AND Gate de

I need to measure the rpm of a tachometer signal from a fan. I want to measure the period. I also need to know when the fan is stopped (i.e. the signal stops changing). I am trying to use TIM1 for what seems to me to be a simple setup. I want an input signal edge to save the counter in a capture register (CCR1), reset the counter, and generate an interrupt so I can save the measured count. If the counter overflows then I will know the input stopped and I can record the rpm as zero. Does this seem like a good plan?So I need interrupts on CCR1 capturing and on counter overflow. I am trying this setup. I think the following pseudo-code shows the pertinent registers. (I am programming registers directly. I personally hate any HAL like the peripheral library).TIM1_SMCR_TS, Trigger Selection, is input source TI1TIM1_SMCR_SMS, Slave Mode Selection mask, is trigger reset modeTIM1_IER_TIE, input trigger interr

Please provide stm8s003 development environment under stvd, including header file, thank you

Hello, I'm trying to implement a simple frequency counter. The idea is I have some external signal sitting at 6MHz, and I want to measure it by simply starting the TIM1 counter, waiting 1ms (delay), then reading the count, which I'd expect to be about 6,000. I also have an AND gate which i use to control when the 6MHZ is present on pin C3 (TIM1 chan 3); by writing high to the end gate the signal is present and by writing low, there is no signal. This is the only job for the microcontroller, and the signal in question isn't fast changing so taking a 1ms sample every 200ms should be more than enough. Here's my main routinemain(){ clock_setup(); GPIO_setup(); UART1_setup(); TIM1_setup(); TIM4_setup(); SerialPutString("Starting STM8 \r\n"); while(1){ GPIO_WriteReverse(GPIOD, GPIO_PIN_2); //LED   delay_ms(200); //slow down the blinking TIM1_setup(); //TIM1_SetCounter(0); //Clear the count GPIO_WriteHigh(GPIOC, GPIO_PIN_4); //AND Gat

Hello Community,I just bought a few of STM8S001J3 for testing.I want to use the halt-mode to get the lowest power consumption. The problem is that setting the Processor in halt, current is still at about 240uA (too much).I was testing about ten of those processors and always getting same results.(I also tried several GPIO and clock settings as well as active halt with giving example in Stdperlib and AWU functions.)In datasheet the maximum current is about 6uA in halt mode.Maybe the processor does not fit the datasheet?Anybody got an idea what goes wrong?Thank you for help.setup:3.3V on VDDGND on VSS0.1uF on VCAP - VSS0.33uF VDD – VSSPD6 as interruptunused Pins in PPtested Code:#include "stm8s.h"        // using StdperLib