usb_hw.h

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#ifndef _USB_HW_H_
#define _USB_HW_H_
 
#ifdef __cplusplus
extern "C"{
#endif
 
#include "mcu.h"
#include "interrupts.h"
// Note: Added for MikroE implementation.
// MikroE interrupt source uses NVIC -> (IRQx + 16).
#define NVIC_EnableIRQ(_x)  interrupt_enable(_x + 16)
#define NVIC_DisableIRQ(_x) interrupt_disable(_x + 16)
#ifdef MPU_CESR_VLD_MASK
    #define disable_MPU()       ( MPU->CESR &= ~MPU_CESR_VLD_MASK )
#elif SYSMPU_CESR_VLD_MASK
    #define disable_MPU()       ( SYSMPU->CESR &= ~SYSMPU_CESR_VLD_MASK )
#else
     #define disable_MPU()
#endif
 
static inline void usb_hw_init(void) {
    // Disable MPU.
    disable_MPU();
    // Enable global interrupts
    interrupts_enable();
    // Enable USB Clock gate control.
    SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK;
}
 
 // usb
 // middleware
 
#ifdef __cplusplus
}
#endif
 
#endif // _USB_HW_H_
// ------------------------------------------------------------------------- END