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RL-ARM User's Guide (MDK v4)

RL-RTX RL-FlashFS RL-TCPnet RL-CAN RL-USB RL-USB for USB Device Applications RL-USB Device Library RL-USB Device Features RL-USB Device Software Stack RL-USB Device Functions RL-USB Device Source Files RL-USB Device Configuration Audio Device (ADC) Options Communication Device (CDC) - ACM Options Human Interface Device (HID) Options Mass Storage Device (MSC) Options Create USB Device Applications Create ADC Applications Create CDC ACM Applications Create HID Applications Create MSC Applications Create Composite Applications Test USB Device Applications Compliance Tests Test HID Client Application RL-USB for USB Host Applications RL-USB Host Library RL-USB Host Features RL-USB Host Software Stack RL-USB Host Functions RL-USB Host Source Files RL-USB Host Configuration Host Controller Driver Selection Host Controller Driver Configuration Host Class Driver Selection Create USB Host Applications Create USB Host HID Applications HID_Kbd Example Create USB Host MSC Applications Create USB Host Class Driver RL-USB Host Constants and Structures Error constants Speed constants Transaction Packet Type constants Transaction Error Type constants USB Request Block structure (USBH_URB) Endpoint structure (USBH_EP) Driver Capabilites structure (USBH_HCI_CAP) Device Class Instance structure (USBH_DCI) Host Controller Instance structure (USBH_HCI) Host Controller Driver structure (USBH_HCD) USB Concepts USB Transfer Rates USB Network Basic Communication Model USB Protocol Control Transfer Interrupt Transfer Isochronous Transfer Bulk Transfer Descriptors Device Configuration Device Descriptor Configuration Descriptor Interface Descriptor Endpoint Descriptor Device Qualifier Descriptor Example Programs Library Reference Appendix

RL-USB Host Configuration

RL-USB Host Configuration explains the options offered by the RL-USB Library for configuring USB Host devices. The options can be configured in the file usb_config.c directly or using the µVision Configuration Wizard.

RL-USB Host Configuration Wizard

USB Host 0 enables the USB Host 0 functionality. This options corresponds to #define USBH0_ENABLE.

#define USBH0_ENABLE                  1                             // 0 = disabled, 1 = enabled

USB Host 1 enables the USB Host 1 functionality. This options corresponds to #define USBH1_ENABLE.

#define USBH1_ENABLE                  0                             // 0 = disabled, 1 = enabled

The USB Host Controller configuration can be split into three main groups:

  1. Host Controller Driver Selection, which offers:
    • USB Host Controller enable.
    • USB Host Controller Interface selection.
  2. Host Controller Driver Configuration
  3. Host Class Driver Selection, which enables class support.
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