EFM32 Wonder Gecko Software Documentation
efm32wg-doc-5.1.2
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USB protocol stack library API for EFM32/EZR32.
(C) Copyright 2014 Silicon Labs, http://www.silabs.com
This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.
Definition in file em_usbh.c.
#include "em_device.h"
#include "em_usb.h"
#include "em_cmu.h"
#include "em_core.h"
#include "em_usbtypes.h"
#include "em_usbhal.h"
#include "em_usbh.h"
#include "em_gpio.h"
Go to the source code of this file.
Functions | |
int | USBH_AssignHostChannel (USBH_Ep_TypeDef *ep, uint8_t hcnum) |
Assign a host channel to a given endpoint. More... | |
int | USBH_ControlMsg (USBH_Ep_TypeDef *ep, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength, void *data, int timeout, USB_XferCompleteCb_TypeDef callback) |
Send a SETUP command to a device, non-blocking version. More... | |
int | USBH_ControlMsgB (USBH_Ep_TypeDef *ep, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength, void *data, int timeout) |
Send a SETUP command to a device, blocking version. More... | |
bool | USBH_DeviceConnected (void) |
Check if a device is connected. More... | |
int | USBH_GetConfigurationDescriptorB (USBH_Device_TypeDef *device, void *buf, int len, uint8_t configIndex) |
Read a configuration descriptor from a device. More... | |
int | USBH_GetDeviceDescriptorB (USBH_Device_TypeDef *device, void *buf, int len) |
Read a device descriptor from a device. More... | |
uint8_t | USBH_GetPortSpeed (void) |
Get the bus speed of the device attached to the USB port. More... | |
int | USBH_GetStringB (USBH_Device_TypeDef *device, uint8_t *buf, int bufLen, uint8_t stringIndex, uint16_t langID) |
Read a string descriptor from a device. More... | |
int | USBH_Init (const USBH_Init_TypeDef *p) |
Initialize host protocol stack data structures. More... | |
int | USBH_InitDeviceData (USBH_Device_TypeDef *device, const uint8_t *buf, USBH_Ep_TypeDef *ep, int numEp, uint8_t deviceSpeed) |
Populate device and endpoint data structures with data retrieved during device enumeration. More... | |
int | USBH_PortReset (void) |
Drive reset signalling on the USB port. More... | |
int | USBH_PortResume (void) |
Drive resume signalling on the USB port. More... | |
void | USBH_PortSuspend (void) |
Set the USB port in suspend mode. | |
int | USBH_PrintConfigurationDescriptor (const USB_ConfigurationDescriptor_TypeDef *config, int maxLen) |
Pretty print a configuration descriptor on the debug serial port. More... | |
int | USBH_PrintDeviceDescriptor (const USB_DeviceDescriptor_TypeDef *device) |
Pretty print a device descriptor on the debug serial port. More... | |
int | USBH_PrintEndpointDescriptor (const USB_EndpointDescriptor_TypeDef *endpoint) |
Pretty print an endpoint descriptor on the debug serial port. More... | |
int | USBH_PrintInterfaceDescriptor (const USB_InterfaceDescriptor_TypeDef *interface) |
Pretty print an interface descriptor on the debug serial port. More... | |
void | USBH_PrintString (const char *pre, const USB_StringDescriptor_TypeDef *s, const char *post) |
Print a USB string descriptor on the debug serial port. More... | |
USB_ConfigurationDescriptor_TypeDef * | USBH_QGetConfigurationDescriptor (const uint8_t *buf, int configIndex) |
Return a pointer to a configuration descriptor. More... | |
USB_DeviceDescriptor_TypeDef * | USBH_QGetDeviceDescriptor (const uint8_t *buf) |
Return a pointer to the device descriptor. More... | |
USB_EndpointDescriptor_TypeDef * | USBH_QGetEndpointDescriptor (const uint8_t *buf, int configIndex, int interfaceIndex, int endpointIndex) |
Return a pointer to an endpoint descriptor. More... | |
USB_InterfaceDescriptor_TypeDef * | USBH_QGetInterfaceDescriptor (const uint8_t *buf, int configIndex, int interfaceIndex) |
Return a pointer to an interface descriptor. More... | |
int | USBH_QueryDeviceB (uint8_t *buf, size_t bufsize, uint8_t deviceSpeed) |
Will request both the device descriptor and the entire configuration descriptor from the device at USB address 0. More... | |
int | USBH_Read (USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout, USB_XferCompleteCb_TypeDef callback) |
Read data from device endpoint, non-blocking version. More... | |
int | USBH_ReadB (USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout) |
Read data from device endpoint, blocking version. More... | |
int | USBH_SetAddressB (USBH_Device_TypeDef *device, uint8_t deviceAddress) |
Give a device an USB address. More... | |
int | USBH_SetAltInterfaceB (USBH_Device_TypeDef *device, uint8_t interfaceIndex, uint8_t alternateSetting) |
Activate a device interface within current device configuration. More... | |
int | USBH_SetConfigurationB (USBH_Device_TypeDef *device, uint8_t configValue) |
Activate a device configuration. More... | |
int | USBH_StallEpB (USBH_Ep_TypeDef *ep) |
Set an endpoint in the stalled (halted) state. More... | |
void | USBH_Stop (void) |
Stop USB host operation. More... | |
int | USBH_UnStallEpB (USBH_Ep_TypeDef *ep) |
Reset stall state on a stalled (halted) endpoint. More... | |
int | USBH_WaitForDeviceConnectionB (uint8_t *buf, int timeoutInSeconds) |
Wait for device connection. More... | |
int | USBH_Write (USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout, USB_XferCompleteCb_TypeDef callback) |
Write data to device endpoint, non-blocking version. More... | |
int | USBH_WriteB (USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout) |
Write data to device endpoint, blocking version. More... | |