em_usbxpress_internal.h

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/***************************************************************************/
#ifndef EM_USBXPRESS_INTERNAL_H
#define EM_USBXPRESS_INTERNAL_H

#include <stdint.h>
#include <stdbool.h>
#include "em_usb.h"

#ifdef __cplusplus
extern "C" {
#endif

// -----------------------------------------------------------------------------
// Macro Definitions

#define USBXPRESS_LIBRARY_VERSION      0x0500   

// Define USBXCORE_apiEa bit masks
#define  APIEA_GIE                     0x01     
#define  APIEA_GIE_TEMP                0x02     

#define USBXCORE_MAXLEN                19       

// Control command requests and values
#define SI_USBXPRESS_REQUEST            0x02    
#define SI_USBXPRESS_FLUSH_BUFFERS      0x0001  
#define SI_USBXPRESS_CLEAR_TO_SEND      0x0002  
#define SI_USBXPRESS_NOT_CLEAR_TO_SEND  0x0004  
#define SI_USBXPRESS_GET_VERSION        0x0008  

#define SI_CP210X_REQUEST               0xFF    
#define SI_CP210X_GET_PART_NUMBER       0x370B  

// USBXpress Part Numbers
#define SI_USBXPRESS_PART_NUMBER_EFM8   0x80    
#define SI_USBXPRESS_PART_NUMBER_EFM32  0x81    

// -----------------------------------------------------------------------------
// Global Variable Declarations

extern uint32_t USBXCORE_apiIntValue;
extern uint8_t USBXCORE_configDesc[32];
extern uint32_t USBXCORE_apiEa;
extern uint32_t* USBXCORE_byteCountInPtr;
extern uint32_t* USBXCORE_byteCountOutPtr;
extern uint32_t USBXCORE_readSize;
extern uint32_t USBXCORE_writeSize;

// Doxygen can't handle function pointers
extern void (*USBXCORE_apiCallback)(void);

// -----------------------------------------------------------------------------
// Global Function Declarations

// Internal USBXpress Functions
void USBX_jumpCallback(void);
void USBXCORE_Read(uint8_t *, uint8_t *, uint8_t);
void USBXCORE_Write(uint8_t *, uint8_t *, uint8_t);
void USBXCORE_resetState(void);

// EFM32 USB Library Call-back Functions
void USBX_ResetCb(void);
void USBX_DeviceStateChangeCb(USBD_State_TypeDef oldState,
                              USBD_State_TypeDef newState);
int USBX_SetupCmdCb(const USB_Setup_TypeDef *setup);
int USBX_inXferCompleteCb(USB_Status_TypeDef, uint16_t, uint16_t remaining);
int USBX_outXferCompleteCb(USB_Status_TypeDef, uint16_t, uint16_t remaining);

#ifdef __cplusplus
}
#endif

#endif   // EM_USBXPRESS_INTERNAL_H