EFM32 Gecko Software Documentation
efm32g-doc-5.1.2
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Primary header file. Contains internal global declarations and definitions.
Copyright 2016 Silicon Laboratories, Inc. 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_usbxpress_internal.h.
#include <stdint.h>
#include <stdbool.h>
#include "em_usb.h"
Go to the source code of this file.
Macros | |
#define | APIEA_GIE 0x01 |
Enable. More... | |
#define | APIEA_GIE_TEMP 0x02 |
#define | SI_CP210X_GET_PART_NUMBER 0x370B |
Value. | |
#define | SI_CP210X_REQUEST 0xFF |
Request. | |
#define | SI_USBXPRESS_CLEAR_TO_SEND 0x0002 |
Value. | |
#define | SI_USBXPRESS_FLUSH_BUFFERS 0x0001 |
Value. | |
#define | SI_USBXPRESS_GET_VERSION 0x0008 |
Value. | |
#define | SI_USBXPRESS_NOT_CLEAR_TO_SEND 0x0004 |
Value. | |
#define | SI_USBXPRESS_PART_NUMBER_EFM32 0x81 |
EFM32 USBXpress Part Number. | |
#define | SI_USBXPRESS_PART_NUMBER_EFM8 0x80 |
EFM8 USBXpress Part Number. | |
#define | SI_USBXPRESS_REQUEST 0x02 |
Request. | |
#define | USBXCORE_MAXLEN 19 |
#define | USBXPRESS_LIBRARY_VERSION 0x0500 |
Functions | |
void | USBX_DeviceStateChangeCb (USBD_State_TypeDef oldState, USBD_State_TypeDef newState) |
USB device state change call-back. More... | |
int | USBX_inXferCompleteCb (USB_Status_TypeDef, uint16_t, uint16_t remaining) |
USBXpress IN Endpoint Transfer Complete Callback. More... | |
void | USBX_jumpCallback (void) |
Conditionally jumps to the user call-back routine. More... | |
int | USBX_outXferCompleteCb (USB_Status_TypeDef, uint16_t, uint16_t remaining) |
USBXpress OUT Endpoint Transfer Complete Callback. More... | |
void | USBX_ResetCb (void) |
USB Reset call-back. More... | |
int | USBX_SetupCmdCb (const USB_Setup_TypeDef *setup) |
USB setup command call-back. More... | |
void | USBXCORE_Read (uint8_t *, uint8_t *, uint8_t) |
void | USBXCORE_resetState (void) |
Resets internal USBXpress variables. More... | |
void | USBXCORE_Write (uint8_t *, uint8_t *, uint8_t) |
Variables | |
uint32_t | USBXCORE_apiEa |
Enable or disable status of USB_API interrupts. | |
uint32_t | USBXCORE_apiIntValue |
Byte holding the current USB_API interrupts. | |
uint32_t * | USBXCORE_byteCountInPtr |
Pointer to variable holding number of bytes written. | |
uint32_t * | USBXCORE_byteCountOutPtr |
Pointer to variable holding number of bytes read. | |
uint8_t | USBXCORE_configDesc [32] |
Copy of configuration descriptor. | |
uint32_t | USBXCORE_readSize |
Number of bytes sent to USBX_blockRead() as numBytes. | |
uint32_t | USBXCORE_writeSize |
Number of bytes sent to USBX_blockWrite() as numBytes. | |
#define APIEA_GIE 0x01 |
Enable.
API Global Interrupt
Definition at line 36 of file em_usbxpress_internal.h.
Referenced by USBX_apiCallbackDisable(), USBX_apiCallbackEnable(), USBX_DeviceStateChangeCb(), USBX_inXferCompleteCb(), USBX_outXferCompleteCb(), USBX_ResetCb(), and USBX_SetupCmdCb().
#define APIEA_GIE_TEMP 0x02 |
Temporary storage of API GIE bit when internally disabled
Definition at line 38 of file em_usbxpress_internal.h.
Referenced by USBX_SetupCmdCb().
#define USBXCORE_MAXLEN 19 |
Maximum length of array passed by USBXCORE_Read/Write
Definition at line 42 of file em_usbxpress_internal.h.
#define USBXPRESS_LIBRARY_VERSION 0x0500 |
USBXpress firmware library version Example: 0x0241 => v2.41
Definition at line 31 of file em_usbxpress_internal.h.
Referenced by USBX_getLibraryVersion().
void USBX_DeviceStateChangeCb | ( | USBD_State_TypeDef | oldState, |
USBD_State_TypeDef | newState | ||
) |
USB device state change call-back.
Set new state and jump to user API call-back.
Definition at line 72 of file em_usbxpress_callback.c.
References APIEA_GIE, USBX_DEV_CONFIGURED, USBX_DEV_SUSPEND, USBX_jumpCallback(), USBXCORE_apiEa, USBXCORE_apiIntValue, and USBXCORE_resetState().
Referenced by USBX_init().
int USBX_inXferCompleteCb | ( | USB_Status_TypeDef | status, |
uint16_t | xferred, | ||
uint16_t | remaining | ||
) |
USBXpress IN Endpoint Transfer Complete Callback.
Gets the number of IN bytes transferred and passes them to the user API call-back.
Definition at line 268 of file em_usbxpress_callback.c.
References APIEA_GIE, USBX_jumpCallback(), USBX_TX_COMPLETE, USBXCORE_apiEa, USBXCORE_apiIntValue, USBXCORE_byteCountInPtr, and USBXCORE_writeSize.
Referenced by USBX_blockWrite().
void USBX_jumpCallback | ( | void | ) |
Conditionally jumps to the user call-back routine.
If the user call-back routine is already in progress, this function does nothing. Otherwise, this function jumps to the call-back defined via USBX_callbackEnable().
Definition at line 264 of file em_usbxpress.c.
Referenced by USBX_DeviceStateChangeCb(), USBX_inXferCompleteCb(), USBX_outXferCompleteCb(), USBX_ResetCb(), and USBX_SetupCmdCb().
int USBX_outXferCompleteCb | ( | USB_Status_TypeDef | status, |
uint16_t | xferred, | ||
uint16_t | remaining | ||
) |
USBXpress OUT Endpoint Transfer Complete Callback.
Gets the number of OUT bytes transferred and passes them to the user API call-back.
Definition at line 314 of file em_usbxpress_callback.c.
References APIEA_GIE, USBX_jumpCallback(), USBX_RX_COMPLETE, USBX_RX_OVERRUN, USBXCORE_apiEa, USBXCORE_apiIntValue, USBXCORE_byteCountOutPtr, and USBXCORE_readSize.
Referenced by USBX_blockRead().
void USBX_ResetCb | ( | void | ) |
USB Reset call-back.
Jump to user API RESET call-back.
Definition at line 54 of file em_usbxpress_callback.c.
References APIEA_GIE, USBX_jumpCallback(), USBX_RESET, USBXCORE_apiEa, USBXCORE_apiIntValue, and USBXCORE_resetState().
Referenced by USBX_init().
int USBX_SetupCmdCb | ( | const USB_Setup_TypeDef * | setup | ) |
USB setup command call-back.
If the setup command is a vendor request, pass to the USB command request parsing routine and acknowledge. Otherwise ignore the request.
Definition at line 106 of file em_usbxpress_callback.c.
References APIEA_GIE, APIEA_GIE_TEMP, EXT_COMP_DESC_SIZE, EXT_COMP_VENDOR_CODE, FEATURE_EXTENDED_COMPATIBILITY_ID, FEATURE_EXTENDED_PROPERTIES_ID, PROPERTIES_DESCRIPTOR_SIZE, SI_CP210X_GET_PART_NUMBER, SI_CP210X_REQUEST, SI_USBXPRESS_CLEAR_TO_SEND, SI_USBXPRESS_FLUSH_BUFFERS, SI_USBXPRESS_GET_VERSION, SI_USBXPRESS_NOT_CLEAR_TO_SEND, SI_USBXPRESS_REQUEST, USBX_DEV_CLOSE, USBX_DEV_OPEN, USBX_FIFO_PURGE, USBX_jumpCallback(), USBXCORE_apiEa, USBXCORE_apiIntValue, and USBXCORE_resetState().
Referenced by USBX_init().
void USBXCORE_resetState | ( | void | ) |
Resets internal USBXpress variables.
This function resets the internal USBXpress variables. It should be called after a cancel-type event (USBXpress Close, USB de-configure, FIFO flush, etc.).
Definition at line 276 of file em_usbxpress.c.
References USBXCORE_rxOverflowPacketAvailable, and USBXCORE_zlpActive.
Referenced by USBX_DeviceStateChangeCb(), USBX_ResetCb(), and USBX_SetupCmdCb().