esp8266.c File Reference

Connect to Parallax WX board. More...

#include "simpletools.h"
#include "esp8266.h"

Macros
#define	JOIN   0xEF
#define	CONNECT   0xE4
#define	CLOSE   0xE8
#define	LISTEN   0xE7
#define	REPLY   0xE5
#define	POLL   0xEC
#define	RECV   0xE9
#define	SEND   0xEA
#define	CHECK   0xEE
#define	SET   0xED
#define	CMD   0xFE
#define	UDP   0xDE
#define	SLEEP   0xF1
#define	DROP   0xDC

Functions
int	doWait (void)
int	Recv (void)
void	Results (void)
int	millis (void)
fdserial *	esp8266_open (int rx, int tx)
	open connection to esp8266 board More...
int	esp8266_connect (char *url, short port)
	open connection to url and port More...
int	esp8266_send (char handle, char *request)
	send request data More...
int	esp8266_http (char handle, char *request, short opt)
	send http request More...
int	esp8266_sendbin (char handle, unsigned char *data, short size)
	send binary data More...
int	esp8266_recv (char handle, char *data, int size)
	receive request data More...
int	esp8266_udp (char *url, short port)
	open UDP connection More...
void	esp8266_close (char handle)
	close handle More...
int	esp8266_join (char *ssd, char *pwd)
	join network router More...
int	esp8266_set (char *env, char *value)
	set environment value More...
char *	esp8266_check (char *env)
	get environment value More...
int	esp8266_poll (char handle)
	poll connection status More...
int	esp8266_listen (char protocol, char *uri)
	set listen uri More...
int	esp8266_sleep (char type, int microsec)
int	esp8266_drop (void)
	drop WiFi station connection
int	esp8266_results ()
	get return value More...
void	esp8266_print (char *data, int size)
	special print More...

Variables
int	_RX
int	_TX
fdserial *	_esp
char	_Buffer [1050]
char	_Work [16]
char	_URL [64]
char	_Status
int	_SValue
unsigned long	_PCNTX

Detailed Description

Connect to Parallax WX board.

Author

Michael Burmeister

Date

April 4, 2019

Version

1.1

Function Documentation

esp8266_check()

char* esp8266_check

(

char *

env

)

get environment value

Parameters

env	environment item

Returns

environment value

esp8266_close()

void esp8266_close

(

char

handle

)

close handle

Parameters

handle

esp8266_connect()

int esp8266_connect	(	char *	url,
		short	port
	)

open connection to url and port

Parameters

url	website
port	usually 80

Returns

handle or negative

esp8266_http()

int esp8266_http	(	char	handle,
		char *	request,
		short	opt
	)

send http request

Parameters

handle
request
opt	option 0 - close, 1 - keep alive

Returns

status

esp8266_join()

int esp8266_join	(	char *	ssd,
		char *	pwd
	)

join network router

Parameters

ssd	router name
pwd	password for router

Returns

statue

esp8266_listen()

int esp8266_listen	(	char	protocal,
		char *	uri
	)

set listen uri

Parameters

protocal
uri	to listen for /

esp8266_open()

fdserial* esp8266_open	(	int	rx,
		int	tx
	)

open connection to esp8266 board

Parameters

rx	recieve pin
tx	transmit pin

esp8266_poll()

int esp8266_poll

(

char

handle

)

poll connection status

Parameters

handle

connection handle

Returns

status

esp8266_print()

void esp8266_print	(	char *	data,
		int	size
	)

special print

Parameters

*data
size	total size of data

esp8266_recv()

int esp8266_recv	(	char	handle,
		char *	data,
		int	size
	)

receive request data

Parameters

handle
*data
size	buffer size < 2048

Returns

error

esp8266_results()

int esp8266_results

(

void

)

get return value

Returns

results

esp8266_send()

int esp8266_send	(	char	handle,
		char *	request
	)

send request data

Parameters

handle
request

Returns

status

esp8266_sendbin()

int esp8266_sendbin	(	char	handle,
		unsigned char *	data,
		short	size
	)

send binary data

Parameters

handle	connection handle
data	binary data to send
size	length of binary data

Returns

status

esp8266_set()

int esp8266_set	(	char *	env,
		char *	value
	)

set environment value

Parameters

env	environment item
value	environment value string

Returns

status

esp8266_udp()

int esp8266_udp	(	char *	url,
		short	port
	)

open UDP connection

Parameters

url	host or address to use
port	remote port number to use

Returns

status