Primary header file. Contains internal global declarations and definitions.

Version: 5.4.0

License

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
       
       "

Macros
#define	APIEA_GIE 0x01

#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.

int	USBX_inXferCompleteCb ( USB_Status_TypeDef , uint16_t, uint16_t remaining)
	USBXpress IN Endpoint Transfer Complete Callback.

void	USBX_jumpCallback (void)
	Conditionally jumps to the user call-back routine.

int	USBX_outXferCompleteCb ( USB_Status_TypeDef , uint16_t, uint16_t remaining)
	USBXpress OUT Endpoint Transfer Complete Callback.

void	USBX_ResetCb (void)
	USB Reset call-back.

int	USBX_SetupCmdCb (const USB_Setup_TypeDef *setup)
	USB setup command call-back.

void	USBXCORE_Read (uint8_t , uint8_t , uint8_t)

void	USBXCORE_resetState (void)
	Resets internal USBXpress variables.

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.

Macro Definition Documentation

#define APIEA_GIE 0x01

API Global Interrupt Enable

Definition at line 38 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 41 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 47 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() .

Function Documentation

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 71 of file em_usbxpress_callback.c .

References APIEA_GIE , USBD_STATE_CONFIGURED , USBD_STATE_SUSPENDED , 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 242 of file em_usbxpress_callback.c .

References APIEA_GIE , USB_FS_BULK_EP_MAXSIZE , USB_STATUS_OK , USBD_Write() , 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 254 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 282 of file em_usbxpress_callback.c .

References APIEA_GIE , USB_STATUS_OK , USBD_Read() , 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 101 of file em_usbxpress_callback.c .

References APIEA_GIE , APIEA_GIE_TEMP , USB_Setup_TypeDef::bmRequestType , USB_Setup_TypeDef::bRequest , EXT_COMP_DESC_SIZE , EXT_COMP_VENDOR_CODE , FEATURE_EXTENDED_COMPATIBILITY_ID , FEATURE_EXTENDED_PROPERTIES_ID , GET_DESCRIPTOR , 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 , USB_Setup_TypeDef::Type , USB_SETUP_DIR_D2H , USB_SETUP_RECIPIENT_DEVICE , USB_SETUP_RECIPIENT_INTERFACE , USB_SETUP_TYPE_STANDARD , USB_SETUP_TYPE_VENDOR , USB_SETUP_TYPE_VENDOR_MASK , USB_STATUS_OK , USB_STATUS_REQ_UNHANDLED , USB_STRING_DESCRIPTOR , USBD_AbortTransfer() , USBD_Write() , USBX_DEV_CLOSE , USBX_DEV_OPEN , USBX_FIFO_PURGE , USBX_jumpCallback() , USBXCORE_apiEa , USBXCORE_apiIntValue , USBXCORE_resetState() , USB_Setup_TypeDef::wIndex , USB_Setup_TypeDef::wLength , and USB_Setup_TypeDef::wValue .

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 266 of file em_usbxpress.c .

References USBXCORE_rxOverflowPacketAvailable , and USBXCORE_zlpActive .

Referenced by USBX_DeviceStateChangeCb() , USBX_ResetCb() , and USBX_SetupCmdCb() .

em_usbxpress_internal.h File Reference

License

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation