STM8 MCUs

Is it possible to add custom toolchain to ST Visual Develop? I want to add SDCC compiler.

I am trying to download limited version from Cosmic. But i think their download page not working anymore. 

Further to my previous message I have setup a new STVD workspace, included stm8s.h and just stm8s_adc1.c and .h, setup processor etc and get 150+ compiler errors on stm82_adc1.c just as if the header file was not specified but it is. So having reduced code to a minimum I still cannot see why these faults are being thrown.Can anyone point me at the problem please?I wonder if it might be better to abandon the SPL and just code what I need. What is the forum opinion on this as well?

Hi,There is an option of executing the code in RAM through the option 'RAM Exec' in ST Visual Programmer. I tested this feature and it looks like the code is starting from address 0.I wonder if I can change this and set different starting address.-----I studied the UM0470 document where the SWIM protocol is described and see:: After a DM break, the CPU is stalled (through the EMU_Stall signal). While the CPU is stalled, the SWIM can read/write any memory location or any memory mapped register. The program can be continued from the breakpoint, by resetting the stall bit.If a change of PC is needed, the SWIM must write the new PC value using the method described in Section3.7: CPU register access on page16. In order to fetch the code from the new PC address, the SWIM must set the FLUSH bit in the DM control/status register 2 (DM_CSR2) (refer to Section4.12.10 on page 33) before resetting the STALL bit.---So is th

Hi,I am pretty new to STM8 and CubeMX (have some experience in STM32).----I selected the STM8S003F3 and I can see only two timers - there should be TIM4 available but is not.Another odd thing is that the TIM1&TIM2 are not available as long as no pins are free.The question for people using STM8 CubeMX: is this tool mature to use it? Or maybe I do not know how to use it?

My project uses the ADC on an STM8S and as it compiles using Cosmic the stm8s_adc1 module throws a huge number of compiler errors as follows:Compiling stm8s_adc1.c...cxstm8 +modsl0 +debug -pxp -no -pp -l -i"C:\Program Files (x86)\COSMIC\FSE_Compilers\Hstm8" -clDebug\ -coDebug\ stm8s_adc1.c#error cpstm8 stm8s_adc1.c:54(8+3) bad struct/union operand#error cpstm8 stm8s_adc1.c:55(8+3) bad struct/union operand#error cpstm8 stm8s_adc1.c:56(8+3) bad struct/union operand#error cpstm8 stm8s_adc1.c:57(8+3) bad struct/union operand#error cpstm8 stm8s_adc1.c:58(8+4) bad struct/union operand#error cpstm8 stm8s_adc1.c:59(8+4) bad struct/union operand...#error cpstm8 stm8s_adc1.c:634(34+5) bad struct/union operand#error cpstm8 stm8s_adc1.c:639(32+3) bad struct/union operand#error cpstm8 stm8s_adc1.c:630(28+4) ADC1 undefined#error cpstm8 stm8s_adc1.c:634(28+4) ADC1 undefined#error cpstm8 st

Hello everyone, I am running STM8S103F3P with IAR. I downloaded this: en.stsw-stm8069.In IAR chosed my micro STM8S103F3P. But as I see in debug mode I fill wrong register (TIM2) at init TIM2 regs. It seems setup (config) in IAR is wrong or I did something wrong or I didnt do all already. Who knows? Please: my email is:vitabreviss@gmail.combr

 i looked on the en.stvd-stm8 i couldnt find support in this..can any one help?? 

i have read https://community.st.com/s/question/0D50X00009XkbTYSAZ/st-link-command-line-programming?t=1568939999743but i need a way to programming flash eeprom,  STVP_CmdLine.exe does not have the option

#include "iostm8l.h"#include <stdint.h>#include <stdio.h>#include "defs.h"main(){ CLK_DIVR = 0x00; // Set the frequency to 16 MHz while(1) { if (PWR_CSR2 & 0x01 == 0x01) { break; } } PWR_CSR2 |= (1<<1); while (1) { halt(); }}

The standard library for stm8 can only use Cosmic, Raisonance and IAR compilers, which are all either non-free or limited in some way or another. Is there a plan to include support for sdcc (or at least a way to use it)?

how to measure the time of a code block running within STVD

GPIO_Init(GPIOD, R4_GPIO_PINS, GPIO_Mode_In_FL_No_IT); GPIO_Init(GPIOD, R6_GPIO_PINS, GPIO_Mode_In_FL_No_IT); delay_ms(1); DOes gpio configure need to wait for completion?

char *address = (char *) 0x4000; void flashwrite(char dat)   {       // thanks to https://github.com/midnight-wonderer/stm8-eeprom-bug/blob/workaround-//method/src/firmware.c  // one Mr. Sarun Rattanasiri                                            while ((FLASH->IAPSR & FLASH_IAPSR_DUL)==0)                                &nbs

I'm sorry, I'm not a STM8 developerI just want to upgrade an RFID readerThe CPU is STM8S003F3The programmer is ST-LINK V2The connection is SWIMThe programmer is ST Visual ProgrammerIt gives me the error "The device is protected"Is there any way to erase everything to update the firmware?

HiI'm working on a BLDC Motor control project using STM8S Discovery Board (STM8S 105C6T6 MCU). I need to read the hall sensor inputs from my motor onto the three channels of TIM 2. So I thought of getting acquainted with the mechanism of input capture by running a simple program to generate a PWM signal from TIM 2 CH 1 (62.5 Hz, 50% duty cycle) and capture it onto TIM 1 CH 2, using interrupts. But every time I keep getting "a dc=100% and strange frequencies" from TIM2 CH1 on my oscilloscope. I've been able to run the sample code given by ST for input capture i.e. directing the LSI clock output onto TIM1 CH2 pin successfully. My oscilloscope shows a 128 kHz, 50% duty ratio pulse train and the variable used to compute the LSI Clock Frequency also shows a close enough value on the Watch Window.I want to share my code via email if someone's willing to help me out. I am using ST Visual Develop and Cosmic C Compiler.Thanks!

I have some confusion about sampling rate in adc,in data sheet it conversion time takes 14 clock cycles, then i am using internal oscillator 16mhz and prescalar selection is 8 and i get conversation time is 3.5micro seconds,i want know about exactly what is sampling rate please could one help me?? ​

Hi. I'm glad you're reading this, i hope you can help.Click-bait aside, i experience a nasty and unexpected behavior of external interrupts in a professional, industrial product designed around STM8AL318ATC.In short, there are 2 digital signals (from an encoder) input in PD2 and PD4 to which i want to react by triggering an IRQ on every edge.Pseudo-code with setup (macros that expand to proper register settings, i promise): EXTI_CONF1_PDHIS = 1u; // PD[7:4] used for EXTID IRQ EXTI_CONF1_PDLIS = 1u; // PD[4:0] used for EXTID IRQ // EN1_1 (encoder 0, signal A) REG_CR1(EN1_1) = CR1_INP_FLOAT; REG_DIR(EN1_1) = DDR_INP; REG_EXTI_CR(EN1_1) = EXTI_CR_EDGE_RISING_AND_FALLING; REG_CR2(EN1_1) = CR2_INP_IRQ; // EN1_2 (encoder 0, signal B) REG_CR1(EN1_2) = CR1_INP_FLOAT; REG_DIR(EN1_2) = DDR_INP; REG_EXTI_CR(EN1_2) = EXTI_CR_EDGE_RISING_AND_FALLING; REG_CR2(EN1_2) = CR2_INP_IRQ;...and the ISR:INSTALL_ISR(EXTID_

#include <stdint.h>#include<iostm8s.h>void main(void){         TIM2_PSCR = 0b00000111;  TIM2_EGR= 0x01; TIM1_CR1 = 0x01;    PD_DDR = 0x01; PD_CR1 = 0x01; while(1) { if ( ( ((uint16_t)TIM2_CNTRH << 8) + (uint16_t)TIM2_CNTRL ) >= 15625 )  { TIM2_CNTRH = 0; TIM2_CNTRL = 0;     PD_ODR=0X01; } else { PD_ODR=0X00; } }}My microcontroller is not connected with any external clock and using internal clock to operate.After I reading datasheet, I see MCU clock will be HSI/8 = 2MHz by default. I set 128 as prescaler for TIM2. So, TIM2 counter will increment in each 64us. So, when it reach at 15625 it will be 1 second (64 * 15625 = 1000000us

INTERRUPT_HANDLER(USART1_RX_TIM5_CC_IRQHandler,28) { /* In order to detect unexpected events during development, it is recommended to set a breakpoint on the following instruction. */ //uint8_t temp = USART1->SR; if(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == SET) { uint8_t temp = USART_ReceiveData8(USART1); if(pos < 20) { //pos = 0; RX_buf[pos] = temp; pos++; } } //USART_ClearITPendingBit(USART1, USART_IT_RXNE); }void usart_setup(void) { GPIO_ExternalPullUpConfig(GPIOC, GPIO_Pin_3, ENABLE); GPIO_ExternalPullUpConfig(GPIOC, GPIO_Pin_2, ENABLE);   CLK_PeripheralClockConfig(CLK_Peripheral_USART1, ENABLE);

Hi:  Mostly the Stlink V3 set seems like a develop board , i am realy need more information about the MB1440B , So how can i get the schemetic ? thanks a lot .

INTERRUPT_HANDLER(USART1_TX_TIM5_UPD_OVF_TRG_BRK_IRQHandler,27) { /* In order to detect unexpected events during development, it is recommended to set a breakpoint on the following instruction. */ USART_SendData8(USART1, TxBuffer[TxCounter++]); USART_ClearITPendingBit(USART1, USART_IT_TC);   if(TxCounter == 10) { /* Disable the USART Transmit Complete interrupt */ USART_ITConfig(USART1, USART_IT_TC, DISABLE); } }USART_Cmd(USART1, DISABLE); USART_ITConfig(USART1, USART_IT_TC, ENABLE); USART_Cmd(USART1, ENABLE);call this to send dataUSART MODE[20:41:57.432]ÊÕ¡û¡ôþ\0\06\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0[20:41:57.469]ÊÕ¡û¡ô\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0[20:41:57.505]ÊÕ¡û¡ô\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0[20:41:57.542]ÊÕ¡û¡ô\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0

when i am using 8 bit microcontrollers, i use compilers that have a lot of libraries to make my work in programming the micrcontroller very easy, e.g lcd library and a lot of libraries so the development of my code will be easy, in fact i am trying to move to 32 bit, so i would like to ask such these libraries is available in keil ? or i must build the libraries for interfacing other peripherals? can i find libraries for LCD, keypad and other things ? thanks?

Hello! I'm learning to code an STMicroelectronics 8 bit micro-controller. I want to control a BLDC motor with this MCU for electric vehicle application. I'm using the STM8S DISCOVERY Board, based on the STM8S105C6T6 (48 pin) MCU. This MCU has 4 timers, with TIMER 1 being the advanced timer (complementary PWM channels, dead time capability etc. in output compare mode). However I'm facing difficulty in generating PWM signals from the TIMER 1, which has 4 channels. Channel 2 and Chan

Hi.I have faced a weird problem using IAR compilers.Errorstatus=0; Relay_Off; delay_ms(200); if(Errorstatus==1){ Errorflag=1;In this part of my code after I switch the relay off, I put a delay and if an interrupt occurs Errorstatus mentioned in the code changes from 0 to 1 in interrupt handler and the if must change the Errorflag from 0 to 1, but it wont work though Errorstatus is changed from 0 to 1!!What is the problem?