// The following ifdef block is the standard way of creating macros which make exporting 
// from a DLL simpler. All files within this DLL are compiled with the CP210xDLL_EXPORTS
// symbol defined on the command line. this symbol should not be defined on any project
// that uses this DLL. This way any other project whose source files include this file see 
// CP210xDLL_API functions as being imported from a DLL, wheras this DLL sees symbols
// defined with this macro as being exported.
#ifdef CP210xDLL_EXPORTS
#define CP210xDLL_API __declspec(dllexport)
#else
#define CP210xDLL_API __declspec(dllimport)
#endif

// GetProductString() function flags
#define		CP210x_RETURN_SERIAL_NUMBER			0x00
#define		CP210x_RETURN_DESCRIPTION			0x01
#define		CP210x_RETURN_FULL_PATH				0x02

#ifndef _CP210x_STANDARD_DEF_
#define _CP210x_STANDARD_DEF_
// GetDeviceVersion() return codes
#define		CP210x_CP2101_VERSION				0x01
#define		CP210x_CP2102_VERSION				0x02
#define		CP210x_CP2103_VERSION				0x03
											
// Return codes									
#define		CP210x_SUCCESS						0x00
#define		CP210x_DEVICE_NOT_FOUND				0xFF
#define		CP210x_INVALID_HANDLE				0x01
#define		CP210x_INVALID_PARAMETER			0x02
#define		CP210x_DEVICE_IO_FAILED				0x03
#define		CP210x_FUNCTION_NOT_SUPPORTED		0x04
#define		CP210x_GLOBAL_DATA_ERROR			0x05
#define		CP210x_FILE_ERROR					0x06
#define		CP210x_COMMAND_FAILED				0x08
#define		CP210x_INVALID_ACCESS_TYPE			0x09

// Type definitions
typedef		int		CP210x_STATUS;
#endif /*_CP210x_STANDARD_DEF_*/
												
// Buffer size limits							
#define		CP210x_MAX_DEVICE_STRLEN			256
#define		CP210x_MAX_PRODUCT_STRLEN			126
#define		CP210x_MAX_SERIAL_STRLEN			63
#define		CP210x_MAX_MAXPOWER					250


// Type definitions
typedef		char	CP210x_DEVICE_STRING[CP210x_MAX_DEVICE_STRLEN];
typedef		char	CP210x_PRODUCT_STRING[CP210x_MAX_PRODUCT_STRLEN];
typedef		char	CP210x_SERIAL_STRING[CP210x_MAX_SERIAL_STRLEN];


//Baud Rate Aliasing definitions
#define		NUM_BAUD_CONFIGS	32

typedef		struct
{
	WORD	BaudGen;
	WORD	Timer0Reload;
	BYTE	Prescaler;
	DWORD	BaudRate;
} BAUD_CONFIG;

#define		BAUD_CONFIG_SIZE	10

typedef		BAUD_CONFIG		BAUD_CONFIG_DATA[NUM_BAUD_CONFIGS];


//Port Config definitions
typedef		struct
{
	WORD Mode;			// Push-Pull = 1, Open-Drain = 0
	WORD Reset_Latch;	// Logic High = 1, Logic Low = =0
	WORD Suspend_Latch;	// Logic High = 1, Logic Low = =0
	unsigned char EnhancedFxn;
} PORT_CONFIG;

// Define bit locations for Mode/Latch for Reset and Suspend structures
#define PORT_RI_ON				0x0001
#define PORT_DCD_ON				0x0002
#define PORT_DTR_ON				0x0004
#define PORT_DSR_ON				0x0008
#define PORT_TXD_ON				0x0010
#define PORT_RXD_ON				0x0020
#define PORT_RTS_ON				0x0040
#define PORT_CTS_ON				0x0080

#define PORT_GPIO_0_ON			0x0100
#define PORT_GPIO_1_ON			0x0200
#define PORT_GPIO_2_ON			0x0400
#define PORT_GPIO_3_ON			0x0800

#define PORT_SUSPEND_ON			0x4000	//  Can't configure latch value
#define PORT_SUSPEND_BAR_ON		0x8000	//  Can't configure latch value

// Define bit locations for EnhancedFxn
#define EF_GPIO_0_TXLED				0x01	//  Under device control
#define EF_GPIO_1_RXLED				0x02	//  Under device control
#define EF_GPIO_2_RS485				0x04	//  Under device control
#define EF_RESERVED_0				0x08	//	Reserved, leave bit 3 cleared
#define EF_WEAKPULLUP				0x10	//  Weak Pull-up on
#define EF_RESERVED_1				0x20	//	Reserved, leave bit 5 cleared
#define EF_SERIAL_DYNAMIC_SUSPEND	0x40	//  For 8 UART/Modem signals
#define EF_GPIO_DYNAMIC_SUSPEND		0x80	//  For 4 GPIO signals


#ifdef __cplusplus
extern "C" {
#endif

CP210xDLL_API
CP210x_STATUS WINAPI CP210x_GetNumDevices(
	LPDWORD	lpdwNumDevices
	);

CP210xDLL_API
CP210x_STATUS WINAPI CP210x_GetProductString(
	DWORD	dwDeviceNum,
	LPVOID	lpvDeviceString,
	DWORD	dwFlags
	);

CP210xDLL_API
CP210x_STATUS WINAPI CP210x_Open(
	DWORD	dwDevice,
	HANDLE*	cyHandle
	); 

CP210xDLL_API
CP210x_STATUS WINAPI CP210x_Close(
	HANDLE	cyHandle
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_GetPartNumber(	HANDLE cyHandle,
						LPBYTE	lpbPartNum
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetVid(
	HANDLE	cyHandle,
	WORD	wVid
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetPid(
	HANDLE	cyHandle,
	WORD	wPid
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetProductString(
	HANDLE	cyHandle,
	LPVOID	lpvProduct,
	BYTE	bLength,
	BOOL	bConvertToUnicode = TRUE
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetSerialNumber(
	HANDLE	cyHandle,
	LPVOID	lpvSerialNumber,
	BYTE	bLength,
	BOOL	bConvertToUnicode = TRUE
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetSelfPower(
	HANDLE cyHandle, 
	BOOL bSelfPower
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetMaxPower(
	HANDLE cyHandle,
	BYTE bMaxPower
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI 
CP210x_SetDeviceVersion(
	HANDLE cyHandle,
	WORD wVersion
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_SetBaudRateConfig(
	HANDLE	cyHandle,
	BAUD_CONFIG* baudConfigData
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_SetLockValue(
	HANDLE cyHandle
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetDeviceProductString(	
	HANDLE	cyHandle,
	LPVOID	lpProduct,
	LPBYTE	lpbLength,
	BOOL	bConvertToASCII = TRUE
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetDeviceSerialNumber(	
	HANDLE	cyHandle,
	LPVOID	lpSerialNumber,
	LPBYTE	lpbLength,
	BOOL	bConvertToASCII = TRUE
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetDeviceVid(
	HANDLE	cyHandle,
	LPWORD	lpwVid
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetDevicePid(
	HANDLE	cyHandle,
	LPWORD	lpwPid
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetSelfPower(
	HANDLE	cyHandle,
	LPBOOL	lpbSelfPower
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetMaxPower(
	HANDLE	cyHandle,
	LPBYTE	lpbPower
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_GetDeviceVersion(
	HANDLE	cyHandle,
	LPWORD	lpwVersion
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_GetBaudRateConfig(
	HANDLE	cyHandle,
	BAUD_CONFIG* baudConfigData
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_GetLockValue(	
	HANDLE cyHandle,
	LPBYTE	lpbLockValue
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_CreateHexFile(	
	HANDLE cyHandle,
	LPCSTR lpvFileName
	);

CP210xDLL_API
CP210x_STATUS	
WINAPI
CP210x_Reset(
	HANDLE	cyHandle
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_GetPortConfig(	
	HANDLE cyHandle,
	PORT_CONFIG*	PortConfig
	);

CP210xDLL_API
CP210x_STATUS 
WINAPI 
CP210x_SetPortConfig(	
	HANDLE cyHandle,
	PORT_CONFIG*	PortConfig
	);

#ifdef __cplusplus
}
#endif