ARM-Based Universal 1-Wire Module Solution

Sourcecode 1

Snippet in C language for the STM32F030x microcontroller.

while (1) {

    if( OW == 0 ) {        // detection of RESET pulse

       CAPACITOR_CHARGE_STOP;  // stop charging of supercap

      OW_slave();        // processing of Function CMD

      if(ow_status != OW_STATE_IDLE) {

         OW_slave();     //processing of Control CMD

      }

      // determine sleep time

      last_tick = HAL_GetTick() + CHARGING_DELAY;

    }

    current_tick = HAL_GetTick();

    if(current_tick > last_tick) {

      OWS_Stop();        // go to STOP mode

    }

 }