Esempio n. 1
0
/**************************************************************************************************
 * @fn          sblExec
 *
 * @brief       Infinite SBL execute loop that jumps upon receiving a code enable.
 *
 * input parameters
 *
 * None.
 *
 * output parameters
 *
 * None.
 *
 * @return      None.
 **************************************************************************************************
 */
static void sblExec(void)
{
  uint32 dlyCnt = 0;

  while (1)
  {
    HalUARTPollISR();

    if (sbExec() && sbImgValid())
    {
      SB_TURN_ON_LED1();
      SB_TURN_ON_LED2();
      // Delay to allow the SB_ENABLE_CMD response to be flushed.
      for (dlyCnt = 0; dlyCnt < 0x40000; dlyCnt++)
      {
        HalUARTPollISR();
      }

      sblJump();
    }
    else if (dlyCnt++ & 0x4000)
    {
      SB_TOGGLE_LED1();
    }
  }
}
Esempio n. 2
0
/***************************************************************************************************
 * @fn      HalUARTPoll
 *
 * @brief   Poll the UART.
 *
 * @param   none
 *
 * @return  none
 *****************************************************************************/
void HalUARTPoll(void)
{
#if (HAL_UART_DMA && HAL_UART_SPI)  // When both are defined, port is run-time choice.
  if (HAL_UART_PORT)
  {
    HalUARTPollSPI();
  }
  else
  {
    HalUARTPollDMA();
  }
#else
#if HAL_UART_DMA
  HalUARTPollDMA();
#endif
#if HAL_UART_ISR
  HalUARTPollISR();
#endif
#if HAL_UART_SPI
  HalUARTPollSPI();
#endif
#if HAL_UART_USB
  HalUARTPollUSB();
#endif
#endif
}
Esempio n. 3
0
/***************************************************************************************************
 * @fn      HalUARTPoll
 *
 * @brief   Poll the UART.
 *
 * @param   none
 *
 * @return  none
 *****************************************************************************/
void HalUARTPoll(void)
{
#if HAL_UART_DMA
  HalUARTPollDMA();
#endif
#if HAL_UART_ISR
  HalUARTPollISR();
#endif
#if HAL_UART_USB
  HalUARTPollUSB();
#endif
}
Esempio n. 4
0
/**************************************************************************************************
 * @fn          sblWait
 *
 * @brief       A timed-out wait loop that exits early upon receiving a force code/sbl byte.
 *
 * input parameters
 *
 * None.
 *
 * output parameters
 *
 * None.
 *
 * @return      None.
 **************************************************************************************************
 */
static void sblWait(void)
{
  uint32 dlyCnt = SB_UART_DELAY;

  while (1)
  {
    uint8 ch;

    HalUARTPollISR();
    if (HalUARTReadISR(&ch, 1))
    {
      if (ch == SB_FORCE_BOOT)
      {
        break;
      }
      else if (ch == SB_FORCE_RUN)
      {
        dlyCnt = 0;
      }
    }

    if (SB1_PRESS)
    {
      break;
    }

    if (SB2_PRESS || (dlyCnt-- == 0))
    {
      sblJump();
    }

    // RR-xing LED display while waiting.
    if (dlyCnt & 0x2000)
    {
      SB_TURN_OFF_LED2();
      SB_TURN_ON_LED1();
    }
    else
    {
      SB_TURN_OFF_LED1();
      SB_TURN_ON_LED2();
    }
  }

  SB_TURN_OFF_LED1();
  SB_TURN_OFF_LED2();
}
Esempio n. 5
0
/***************************************************************************************************
 * @fn      HalUARTPoll
 *
 * @brief   Poll the UART.
 *
 * @param   none
 *
 * @return  none
 *****************************************************************************/
void HalUARTPoll(void)
{
  if (ZNP_CFG1_SPI == znpCfg1)
  {
    return;
  }

#if HAL_UART_DMA
  HalUARTPollDMA();
#endif
#if HAL_UART_ISR
  HalUARTPollISR();
#endif
#if HAL_UART_USB
  HalUARTPollUSB();
#endif
}