Esempio n. 1
0
void schedInit(int quantumMillis, uint8_t priority) {
    SCB_SHPR3 = (SCB_SHPR3 & ~(SCB_SHPR3_PRI_14_MASK & SCB_SHPR3_PRI_15_MASK)) /* clear the old priority for SysTick and PendSV */
              | SCB_SHPR3_PRI_14(priority << 4)                                /* set the high bits of the PendSV interrupt */
              | SCB_SHPR3_PRI_15(priority << 4);                               /* set the high bits of the SysTick interrupt */

    SYST_CSR |= SysTick_CSR_TICKINT_MASK | SysTick_CSR_CLKSOURCE_MASK;         /* enable the SysTick clock source to use the processor clock (120MHz) */
    SYST_RVR = SysTick_RVR_RELOAD(quantumMillis * MANOS_ARCH_K70_CYCLES_PER_MILLIS - 1); /* setup the SysTick quantum scaled to to cycle count of 8 1/3 nanos - counting starts at 1 */
}
Esempio n. 2
0
/*
** ===================================================================
**     Method      :  PE_low_level_init (component MKL25Z128LK4)
**
**     Description :
**         Initializes beans and provides common register initialization. 
**         The method is called automatically as a part of the 
**         application initialization code.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
void PE_low_level_init(void)
{
  #ifdef PEX_RTOS_INIT
    PEX_RTOS_INIT();                   /* Initialization of the selected RTOS. Macro is defined by the RTOS component. */
  #endif
      /* Initialization of the SIM module */
  /* PORTA_PCR4: ISF=0,MUX=7 */
  PORTA_PCR4 = (uint32_t)((PORTA_PCR4 & (uint32_t)~(uint32_t)(
                PORT_PCR_ISF_MASK
               )) | (uint32_t)(
                PORT_PCR_MUX(0x07)
               ));
        /* Initialization of the RCM module */
  /* RCM_RPFW: RSTFLTSEL=0 */
  RCM_RPFW &= (uint8_t)~(uint8_t)(RCM_RPFW_RSTFLTSEL(0x1F));
  /* RCM_RPFC: RSTFLTSS=0,RSTFLTSRW=0 */
  RCM_RPFC &= (uint8_t)~(uint8_t)(
               RCM_RPFC_RSTFLTSS_MASK |
               RCM_RPFC_RSTFLTSRW(0x03)
              );
        /* Initialization of the FTFL_FlashConfig module */
      /* Initialization of the PMC module */
  /* PMC_LVDSC1: LVDACK=1,LVDIE=0,LVDRE=1,LVDV=0 */
  PMC_LVDSC1 = (uint8_t)((PMC_LVDSC1 & (uint8_t)~(uint8_t)(
                PMC_LVDSC1_LVDIE_MASK |
                PMC_LVDSC1_LVDV(0x03)
               )) | (uint8_t)(
                PMC_LVDSC1_LVDACK_MASK |
                PMC_LVDSC1_LVDRE_MASK
               ));
  /* PMC_LVDSC2: LVWACK=1,LVWIE=0,LVWV=0 */
  PMC_LVDSC2 = (uint8_t)((PMC_LVDSC2 & (uint8_t)~(uint8_t)(
                PMC_LVDSC2_LVWIE_MASK |
                PMC_LVDSC2_LVWV(0x03)
               )) | (uint8_t)(
                PMC_LVDSC2_LVWACK_MASK
               ));
  /* PMC_REGSC: BGEN=0,ACKISO=0,BGBE=0 */
  PMC_REGSC &= (uint8_t)~(uint8_t)(
                PMC_REGSC_BGEN_MASK |
                PMC_REGSC_ACKISO_MASK |
                PMC_REGSC_BGBE_MASK
               );
  /* SMC_PMPROT: ??=0,??=0,AVLP=0,??=0,ALLS=0,??=0,AVLLS=0,??=0 */
  SMC_PMPROT = 0x00U;                  /* Setup Power mode protection register */
  /* Common initialization of the CPU registers */
  /* PORTA_PCR20: ISF=0,MUX=7 */
  PORTA_PCR20 = (uint32_t)((PORTA_PCR20 & (uint32_t)~(uint32_t)(
                 PORT_PCR_ISF_MASK
                )) | (uint32_t)(
                 PORT_PCR_MUX(0x07)
                ));
  /* NVIC_IPR1: PRI_6=0 */
  NVIC_IPR1 &= (uint32_t)~(uint32_t)(NVIC_IP_PRI_6(0xFF));
  /* SCB_SHPR2: PRI_11=0 */
  SCB_SHPR2 &= (uint32_t)~(uint32_t)(SCB_SHPR2_PRI_11(0xFF));
  /* SCB_SHPR3: PRI_14=0 */
  SCB_SHPR3 &= (uint32_t)~(uint32_t)(SCB_SHPR3_PRI_14(0xFF));
  /* ### FreeRTOS "FRTOS1" init code ... */
#if configSYSTICK_USE_LOW_POWER_TIMER
  /* enable clocking for low power timer, otherwise vPortStopTickTimer() will crash */
  SIM_PDD_SetClockGate(SIM_BASE_PTR, SIM_PDD_CLOCK_GATE_LPTMR0, PDD_ENABLE);
#endif
  vPortStopTickTimer(); /* tick timer shall not run until the RTOS scheduler is started */
  /* ### BitIO_LDD "BitIoLdd1" component auto initialization. Auto initialization feature can be disabled by component property "Auto initialization". */
  (void)BitIoLdd1_Init(NULL);
  /* ### LED "LEDR" init code ... */
  LEDR_Init(); /* initializes the driver */
  /* ### BitIO_LDD "BitIoLdd2" component auto initialization. Auto initialization feature can be disabled by component property "Auto initialization". */
  (void)BitIoLdd2_Init(NULL);
  /* ### LED "LEDB" init code ... */
  LEDB_Init(); /* initializes the driver */
}