CMSIS_ITM_Send

__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
{
  if (((ITM->TCR & ITM_TCR_ITMENA_Msk) != 0UL) &&      /* ITM enabled */
      ((ITM->TER & 1UL               ) != 0UL)   )     /* ITM Port #0 enabled */
  {
    while (ITM->PORT[0].u32 == 0UL) { __NOP(); }
    ITM->PORT[0].u8 = (uint8_t)ch;
  }
  return (ch);
}