#include <RTL.h>
#include <rl_usb.h>

BOOL usbh_ehci_hw_irq_en (
  U8   ctrl,
  BOOL on
);

The usbh_ehci_hw_irq_en function is used for enabling or disabling the interrupt of the EHCI USB Host controller. The argument ctrl is the index of USB Host Controller. The argument on specify if function should do enable or disable interrupts.

The usbh_ehci_hw_irq_en function is part of the RL-USB Host software stack.

You can modify this function to suit different EHCI controller interrupt system. This function will need to be changed if EHCI controller is used on a chip that does not yet have a low level driver provided.

The usbh_ehci_hw_irq_en function returns one of the following manifest constants.

• __TRUE
  Success.
• __FALSE
  Indicates that the enable/disable of interrupts has failed.

usbh_ehci_hw_delay_ms, usbh_ehci_hw_get_capabilities, usbh_ehci_hw_init, usbh_ehci_hw_pins_config, usbh_ehci_hw_port_power, usbh_ehci_hw_reg_rd, usbh_ehci_hw_reg_wr

BOOL usbh_ehci_hw_irq_en (U8 ctrl, BOOL on) {

  if (!ctrl) {
    if (on) {
      NVIC_EnableIRQ  (USB0_IRQn);      /* Enable USB0 interrupt              */
    } else {
      NVIC_DisableIRQ (USB0_IRQn);      /* Disable USB0 interrupt             */
    }
  } else {
    if (on) {
      NVIC_EnableIRQ  (USB1_IRQn);      /* Enable USB1 interrupt              */
    } else {
      NVIC_DisableIRQ (USB1_IRQn);      /* Disable USB1 interrupt             */
    }
  }

  return (__TRUE);
}