/*====================================================================*
*
*   Copyright (c) 2013 Qualcomm Atheros, Inc.
*
*   All rights reserved.
*
*====================================================================*/

/*====================================================================*
 *
 *   serial.h - Qualcomm Atheros Serial Line Definitions and declarations;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

#ifndef SERIAL_HEADER
#define SERIAL_HEADER

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include <ctype.h>

#ifndef WIN32
#include <termios.h>
#endif

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include "../tools/types.h"

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

#if defined (WIN32)
#       define DEVICE "com1:"
#       define PAUSE(x) Sleep (x)
#else
#       define DEVICE "/dev/ttyUSB0"
#       define PAUSE(x) usleep ((x)*1000)
#endif

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

#define UART_MODE 0
#define UART_BAUDRATE 115200
#define UART_DATABITS 8
#define UART_STOPBITS 1
#define UART_PARITY 0
#define UART_FLOWCTRL 0

#define UART_BUFFERSIZE 4096
#define UART_BLOCKSIZE 512
#define UART_PORT "PLCUART"

/*====================================================================*
 *   Atheros Serial Line Command flags;
 *--------------------------------------------------------------------*/

#define UART_SILENCE    (1 << 0)
#define UART_VERBOSE    (1 << 1)
#define UART_DEFAULT    (1 << 2)
#define UART_COMMAND    (1 << 3)
#define UART_WAKE       (1 << 4)
#define UART_RESPOND    (1 << 5)
#define UART_ATRV       (1 << 6)
#define UART_ATRPM      (1 << 7)
#define UART_ATSK1      (1 << 8)
#define UART_ATSK2      (1 << 9)
#define UART_ATZ        (1 << 10)
#define UART_ATDST1     (1 << 11)
#define UART_ATDST2     (1 << 12)
#define UART_ATNI       (1 << 13)
#define UART_ATFD       (1 << 14)
#define UART_ATPS       (1 << 15)
#define UART_ATO        (1 << 16)
#define UART_ATHSC      (1 << 17)
#define UART_ATRP       (1 << 18)
#define UART_ATWPF1     (1 << 19)
#define UART_ATWPF2     (1 << 20)
#define UART_ATWNV      (1 << 21)
#define UART_ATBSZ1     (1 << 22)
#define UART_ATBSZ2     (1 << 23)
#define UART_ATTO       (1 << 24)
#define UART_ATBR       (1 << 25)
#define UART_ATM        (1 << 26)

/*====================================================================*
 *
 *   struct command;
 *
 *   structure containing serial command buffer and two pointers; the
 *   buffer is used for both transmit and receive and shared by most
 *   function below; 
 * 
 *--------------------------------------------------------------------*/

typedef struct command 

{ 
	char buffer [UART_BUFFERSIZE]; 
	unsigned length; 
	unsigned offset; 
} 

COMMAND; 

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

#ifndef WIN32

signed baudrate (unsigned rate, speed_t * speed); 

#endif

void openport (struct _file_ * port, flag_t mode); 
void closeport (struct _file_ * port); 

/*====================================================================*
 *   serial command line buffer functions;
 *--------------------------------------------------------------------*/

void clearcommand (); 
void sendcommand (struct _file_ * port, flag_t flags); 
void readcommand (struct _file_ * port, flag_t flags); 
void insert (char c); 
size_t readframe (signed fd, void * memory, size_t extent); 
void decode (void const * memory, size_t extent); 
void encode (void * memory, size_t extent); 
void string (char * string); 
uint64_t hextoint (unsigned bytes); 
void mustbe (char c); ; 

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

#endif