STM8 MCUs

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

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

24C32 I2C with stm8S dyscovery problem

Posted on November 03, 2013 at 00:51Hello. I've a 24C32 on the good pin of my stm8s, I use the stm8 eval library but i've a sEE_TIMEOUT_UserCallback all the time. Is there a better library ? Thank you

HSI Power Down

Posted on June 10, 2013 at 16:48Hello everybody,I'm programming a STM8L152C6 on the STM8L-discovery. Wanting to improve the consomption I tri to power down the HSI. For that I use the instruction  // Clock source   CLK_LSICmd(ENABLE);   CLK_SYSCLKSo...

quentin by Associate
  • 825 Views
  • 2 replies
  • 0 kudos

IWDG & WWDG for stm8l151c6 halt active mode

Posted on June 13, 2013 at 13:27I want to use stm8L watch dog in halt/halt-active mode. my system wakes up by RTC.1. when I choice Independent watchdog, a watchdog reset happens when system is in halt/halt-active mode. As you know, the option byte(0...

_checksum16()

Posted on October 09, 2013 at 23:02I'm using Cosmic 4.3.6 compiler & have a project with greater then 32k code.  I need to checksum the flash at startup and periodically during runtime to satisfy UL60730.  My first project (about 12k code size) went...

jdf25252 by Associate II
  • 1087 Views
  • 3 replies
  • 0 kudos

start and stop the tim1 -> adc -> dma chain

Posted on October 25, 2013 at 00:18I have an STM8L application that needs to scan several ADC channels on a fixed time basis, so I used the ADC_DMA code from the STM8L standard peripheral examples as a starting point. The timer is set to a 1KHz trig...

mark23 by Associate
  • 489 Views
  • 0 replies
  • 0 kudos

<< shift easy question

Posted on October 10, 2013 at 08:52Hello, I have a simple question: uint32_t temp; temp |=  ((uint32_t)1 << 16); without retyping it does not work (although if I add the expression to Watch, it shows expected 1 on 16th bit of temp). Why? I use Cosmi...

pok-on by Associate II
  • 915 Views
  • 3 replies
  • 0 kudos

VREFINT_FACTORY_CONV

Posted on September 11, 2013 at 14:17Hello,I am currently working on STM8L15C6. For my application I need to read the value stored at location VREFINT_FACTORY_CONV. The value at this memory location is 0xFF. We were assuming the value to be somewher...

megha by Associate
  • 730 Views
  • 3 replies
  • 0 kudos

Cosmic Compiler @stackfunction qualifier. (STM8 LIN Driver)

Posted on September 26, 2013 at 05:36Hi.  Trying to find out what, if anything, the STM8 compiler does with the @stack function qualifier.  The STM8 LIN Driver uses @stack quite a lot, however it is not documented in the Cosmic STM8 User Manual. Tha...

colinh by Associate II
  • 877 Views
  • 3 replies
  • 0 kudos

Interrupt at DIVW and DIV

Posted on September 19, 2013 at 11:21Hi, today I have a very special question: I read in the programming manual, that the instructions DIV an DIVW are interruptible. What exactly happens, when an interrupt occurs while calculating is active  - with ...