NVIC reset

reset.c

    __disable_irq();

    /* Disable the stack monitor */
    R_SPMON->MSPMPUPT = 0xA500;             /* Enable access to Main Stack Pointer Monitor Access Control Register */
    R_SPMON->PSPMPUPT = 0xA500;             /* Enable access to Process Stack Pointer Monitor Access Control Register */

    R_SPMON->MSPMPUCTL_b.ENABLE = 0;        /* disable the Main stack monitor */
    R_SPMON->PSPMPUCTL_b.ENABLE = 0;        /* disable the Process stack monitor */

    SysTick->CTRL  = 0;                     /* Disable the systick timer */
    NVIC_DisableIRQ ( SysTick_IRQn );       /* Disable the systick timer IRQ */
    NVIC_ClearPendingIRQ( SysTick_IRQn );   /* Clear any pending systick timer IRQ */

    R_USBFS->SYSCFG = 0;    /* Disable USB FS */
    R_USBFS->DVSTCTR0 = 0;
    R_USBFS->INTENB0 = 0;
    R_USBFS->INTENB1 = 0;
    R_USBFS->INTSTS0 = 0;
    R_USBFS->INTSTS1 = 0;
    R_USBFS->BRDYENB = 0;
    R_USBFS->NRDYENB = 0;
    R_USBFS->BEMPENB =0;
    R_USBFS->USBADDR = 0;
    R_USBFS->DPUSR0R = 0;
    R_USBFS->DPUSR1R = 0;

    R_ELC_Disable();

    /*
     *  Clear all interrupts!
     *
     */
    for (uint32_t i = 0; i<96; i++)
    {
        R_ICU->IELSRn[i] = 0;
    }
    for (uint32_t i = 0; i<8; i++)
    {
        NVIC->ICER[i] = 0xFFFFFFFF;
        NVIC->ICPR[i] = 0xFFFFFFFF;
    }
    for  (uint32_t i = 0; i<16; i++)
    {
        R_ICU->IRQCRn[i] = 0;
    }
    /* Ensure that when we jump we're using the Main Stack Pointer */
    __set_CONTROL(0);

    p_jump_to_app = (main_fnptr*)(address+4);
    SCB->VTOR = (address & 0x1FFFFF80);
    __DSB();

     /** Set stack here. */
    __set_MSP(*((uint32_t*)(address)));