Junichi Katsu
/
SimpleIoTBoardLib
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Revision 0:890c12951e96, committed 2015-11-15
- Comitter:
- jksoft
- Date:
- Sun Nov 15 13:36:44 2015 +0000
- Commit message:
- ??
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/ESP8266/CBuffer.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,75 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef CIRCBUFFER_H_
+#define CIRCBUFFER_H_
+
+template <class T>
+class CircBuffer {
+public:
+ CircBuffer(int length) {
+ write = 0;
+ read = 0;
+ size = length + 1;
+ buf = (T *)malloc(size * sizeof(T));
+ };
+
+ bool isFull() {
+ return (((write + 1) % size) == read);
+ };
+
+ bool isEmpty() {
+ return (read == write);
+ };
+
+ void queue(T k) {
+ if (isFull()) {
+ read++;
+ read %= size;
+ }
+ buf[write++] = k;
+ write %= size;
+ }
+
+ void flush() {
+ read = 0;
+ write = 0;
+ }
+
+
+ uint32_t available() {
+ return (write >= read) ? write - read : size - read + write;
+ };
+
+ bool dequeue(T * c) {
+ bool empty = isEmpty();
+ if (!empty) {
+ *c = buf[read++];
+ read %= size;
+ }
+ return(!empty);
+ };
+
+private:
+ volatile uint32_t write;
+ volatile uint32_t read;
+ uint32_t size;
+ T * buf;
+};
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/ESP8266/ESP8266.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,522 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "mbed.h"
+#include "ESP8266.h"
+#include "Endpoint.h"
+#include "SoftSerialSendOnry.h"
+
+extern SoftSerialSendOnry pc;
+
+//#include <string>
+//#include <algorithm>
+
+//Debug is disabled by default
+#if 0
+#define DBG(x, ...) pc.printf("[ESP8266 : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define WARN(x, ...) pc.printf("[ESP8266 : WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define ERR(x, ...) pc.printf("[ESP8266 : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#else
+#define DBG(x, ...) //wait_us(10);
+#define WARN(x, ...) //wait_us(10);
+#define ERR(x, ...)
+#endif
+
+#if 0
+#define INFO(x, ...) printf("[ESP8266 : INFO]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#else
+#define INFO(x, ...)
+#endif
+
+#define ESP_MAX_TRY_JOIN 3
+#define ESP_MAXID 4 // the largest possible ID Value (max num of sockets possible)
+
+ESP8266 * ESP8266::inst;
+char* ip = NULL;
+
+ESP8266::ESP8266(PinName tx, PinName rx, PinName reset, const char *ssid, const char *phrase, uint32_t baud) :
+ wifi(tx, rx), reset_pin(reset), buf_ESP8266(ESP_MBUFFE_MAX)
+{
+ INFO("Initializing ESP8266 object");
+ memset(&state, 0, sizeof(state));
+
+
+ strcpy(this->ssid, ssid);
+ strcpy(this->phrase, phrase);
+ inst = this;
+ attach_rx(false);
+
+ wifi.baud(baud); // initial baud rate of the ESP8266
+
+ state.associated = false;
+ state.cmdMode = false;
+}
+
+bool ESP8266::join()
+{
+ char cmd[100];
+ sendCommand( "AT+CWMODE=1", "change", NULL, 1000);
+ //string cmd="AT+CWJAP=\""+(string)this->ssid+"\",\""+(string)this->phrase+"\"";
+ sprintf(cmd,"AT+CWJAP=\"%s\",\"%s\"",this->ssid,this->phrase);
+ if( sendCommand( cmd, "OK", NULL, 10000) ) {
+ // successfully joined the network
+ state.associated = true;
+ INFO("ssid: %s, phrase: %s", this->ssid, this->phrase);
+ return true;
+ }
+ return false;
+}
+
+bool ESP8266::connect()
+{
+ sendCommand("AT+CWDHCP=1,1","OK",NULL,1000); // DHCP Enabled in Station Mode
+ return ESP8266::join();
+}
+
+bool ESP8266::is_connected()
+{
+ return true;
+}
+
+bool ESP8266::start(bool type,char* ip, int port, int id)
+{
+ char cmd[256];
+ // Error Check
+ if(id > ESP_MAXID) {
+ ERR("startUDPMulti: max id is: %d, id given is %d",ESP_MAXID,id);
+ return false;
+ }
+ // Single Connection Mode
+ if(id < 0) {
+ DBG("Start Single Connection Mode");
+ //char portstr[5];
+ bool check [3] = {0};
+ //sprintf(portstr, "%d", port);
+ switch(type) {
+ case ESP_UDP_TYPE : //UDP
+ sprintf(cmd,"AT+CIPSTART=\"UDP\",\"%s\",%d",ip,port);
+ check[0] = sendCommand(cmd, "OK", NULL, 10000);
+ //check[0] = sendCommand(( "AT+CIPSTART=\"UDP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
+ break;
+ case ESP_TCP_TYPE : //TCP
+ sprintf(cmd,"AT+CIPSTART=\"TCP\",\"%s\",%d",ip,port);
+ check[0] = sendCommand(cmd, "OK", NULL, 10000);
+ //check[0] = sendCommand(( "AT+CIPSTART=\"TCP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
+ break;
+ default:
+ ERR("Default hit for starting connection, this shouldnt be possible!!");
+ break;
+ }
+ check[1] = sendCommand("AT+CIPMODE=1", "OK", NULL, 1000);// go into transparent mode
+ check[2] = sendCommand("AT+CIPSEND", ">", NULL, 1000);// go into transparent mode
+ // check that all commands were sucessful
+ if(check[0] and check[1] and check[2]) {
+ state.cmdMode = false;
+ return true;
+ } else {
+ ERR("startUDPTransparent Failed for ip:%s, port:%d",ip,port);
+ return false;
+ }
+ }
+ // Multi Connection Mode
+ else {
+ //TODO: impliment Multi Connection Mode
+ ERR("Not currently Supported!");
+ return false;
+ }
+}
+
+bool ESP8266::startUDP(char* ip, int port, int id, int length)
+{
+ char cmd[256];
+ char portstr[5];
+ char idstr[1];
+ char lenstr[2];
+
+ sprintf(portstr, "%d", port);
+ sprintf(idstr, "%d", id);
+ sprintf(lenstr, "%d", length);
+
+ sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
+ sprintf(cmd,"AT+CIPSTART=%d,\"UDP\",\"%s\",%d,1112,0",id,ip,port);
+ sendCommand(cmd, "OK", NULL, 10000);
+ //sendCommand(( "AT+CIPSTART=" + string(idstr) + ",\"UDP\",\"" + (string) ip + "\"," + (string) portstr + ",1112,0").c_str(), "OK", NULL, 10000);
+ sprintf(cmd,"AT+CIPSEND=%d,%d",id,length);
+ sendCommand(cmd, ">", NULL, 1000);// go into transparent mode
+ //sendCommand(("AT+CIPSEND=" + (string)idstr + "," + (string)lenstr).c_str(), ">", NULL, 1000);// go into transparent mode
+ DBG("Data Mode\r\n");
+ state.cmdMode = false;
+
+ return true;
+}
+
+bool ESP8266::startTCPServer(int port)
+{
+ char cmd[100];
+ bool command_results[3];
+ command_results[0]=sendCommand("AT+CWMODE=3", "OK", NULL, 1000);
+ command_results[1]=sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
+ if(port == 333){
+ command_results[2]=sendCommand("AT+CIPSERVER=1", "OK", NULL, 1000);
+ }
+ else{
+ sprintf(cmd,"AT+CIPSERVER=1,%d",port);
+ command_results[2]=sendCommand(cmd, "OK", NULL, 1000);
+ }
+ //sendCommand("AT+CIFSR", "OK", NULL, 1000);
+ DBG("Data Mode\r\n");
+ state.cmdMode = false;
+ if (command_results[0] and command_results[1] and command_results[2]){
+ return true;
+ }
+ else{
+ return false;
+ }
+}
+
+bool ESP8266::close()
+{
+ wait(0.1f);
+ send("+++",3);
+ wait(1.0f);
+ state.cmdMode = true;
+ sendCommand("AT+CIPCLOSE","OK", NULL, 10000);
+ return true;
+}
+
+bool ESP8266::disconnect()
+{
+ // if already disconnected, return
+ if (!state.associated)
+ return true;
+ // send command to quit AP
+ sendCommand("AT+CWQAP", "OK", NULL, 10000);
+ state.associated = false;
+ return true;
+}
+
+int ESP8266::strfind(const char *str,const char *chkstr,int pos)
+{
+ if( (strlen(str)-pos) < strlen(chkstr) ) return(-1);
+
+
+ for(int i=pos;i<strlen(str);i++)
+ {
+ if(memcmp(chkstr,&str[i],strlen(chkstr))==0)
+ {
+ return(i);
+ }
+ }
+ return(-1);
+}
+
+char* ESP8266::substr(const char *str , char *outstr , int pos1 , int pos2 )
+{
+ int size = pos2 - pos1;
+
+ memcpy(outstr , &str[pos1] , size );
+ outstr[size] = '\0';
+
+ return(outstr);
+}
+
+int ESP8266::strcount(const char *str , char countstr )
+{
+ int ret = 0;
+
+ for(int i = 0 ; i < strlen(str) ; i++)
+ {
+ if( str[i] == countstr )
+ {
+ ret++;
+ }
+
+ }
+
+ return(ret);
+}
+
+/*
+ Assuming Returned data looks like this:
+ +CIFSR:STAIP,"192.168.11.2"
+ +CIFSR:STAMAC,"18:fe:34:9f:3a:f5"
+ grabbing IP from first set of quotation marks
+*/
+char* ESP8266::getIPAddress()
+{
+ char result[30] = {0};
+ char tmp[30] = {0};
+ int check = 0;
+ check = sendCommand("AT+CIFSR", NULL, result, 1000);
+ //pc.printf("\r\nReceivedInfo for IP Command is: %s\r\n",result);
+ ip = ipString;
+ if(check) {
+ // Success
+ uint8_t pos1 = 0, pos2 = 0;
+ //uint8_t pos3 = 0, pos4 = 0;
+ pos1 = strfind(result,"+CIFSR:STAIP",0);
+ //pos1 = resultString.find("+CIFSR:STAIP");
+ pos1 = strfind(result,"\"",pos1);
+ //pos1 = resultString.find('"',pos1);
+ pos2 = strfind(result,"\"",pos1+1);
+ //pos2 = resultString.find('"',pos1+1);
+ //pos3 = resultString.find('"',pos2+1); //would find mac address
+ //pos4 = resultString.find('"',pos3+1);
+ strncpy(ipString,substr(result,tmp,pos1,pos2),sizeof(ipString));
+ INFO("IP: %s",ipString);
+ ip = ipString;
+
+ } else {
+ // Failure
+ ERR("getIPAddress() failed");
+ ip = NULL;
+ }
+ return ip;
+}
+
+bool ESP8266::gethostbyname(const char * host, char * ip)
+{
+ int nb_digits = 0;
+ char tmp[100];
+
+ strcpy(ip,host);
+
+ return true;
+
+ // no dns needed
+ int pos = strfind(host,".",0);
+ if (pos != -1) {
+ nb_digits = atoi(substr(host,tmp,0,pos));
+ }
+ //printf("substrL %s\r\n", sub.c_str());
+ if (strcount(host,'.') == 3 && nb_digits > 0) {
+ strcpy(ip, host);
+ return true;
+ } else {
+ // dns needed, not currently available
+ ERR("gethostbyname(): DNS Not currently available, only use IP Addresses!");
+ return false;
+ }
+}
+
+void ESP8266::reset()
+{
+ reset_pin = 0;
+ wait_us(20);
+ reset_pin = 1;
+ //wait(1);
+ //reset_pin = !reset_pin
+ //send("+++",3);
+ wait(1);
+ state.cmdMode = true;
+ sendCommand("AT", "OK", NULL, 1000);
+ sendCommand("AT+RST", "ready", NULL, 10000);
+ state.associated = false;
+
+}
+
+bool ESP8266::reboot()
+{
+ reset();
+ return true;
+}
+
+void ESP8266::handler_rx(void)
+{
+ //read characters
+ char c;
+ while (wifi.readable()) {
+ c=wifi.getc();
+ buf_ESP8266.queue(c);
+ //if (state.cmdMode) pc.printf("%c",c); //debug echo, needs fast serial console to prevent UART overruns
+ }
+}
+
+void ESP8266::attach_rx(bool callback)
+{
+ if (!callback) {
+ wifi.attach(NULL);
+ }
+ else {
+ wifi.attach(this, &ESP8266::handler_rx);
+ }
+}
+
+int ESP8266::readable()
+{
+ return buf_ESP8266.available();
+}
+
+int ESP8266::writeable()
+{
+ return wifi.writeable();
+}
+
+char ESP8266::getc()
+{
+ char c=0;
+ while (!buf_ESP8266.available());
+ buf_ESP8266.dequeue(&c);
+ return c;
+}
+
+int ESP8266::putc(char c)
+{
+ while (!wifi.writeable() || wifi.readable()); //wait for echoed command characters to be read first
+ return wifi.putc(c);
+}
+
+void ESP8266::flush()
+{
+ buf_ESP8266.flush();
+}
+
+int ESP8266::send(const char * buf, int len)
+{
+ //TODO: need to add handler for data > 2048B, this is the max packet size of the ESP8266.
+ if(len >= 2048){
+ WARN("send buffer >= 2048B, need to chunk this up to be less.");
+ }
+ const char* bufptr=buf;
+ for(int i=0; i<len; i++) {
+ putc((int)*bufptr++);
+ }
+ return len;
+}
+
+bool ESP8266::sendCommand(const char * cmd, const char * ACK, char * res, int timeout)
+{
+ char read;
+ char checking[512] = "";
+ int checking_size = 0;
+ int fond = -1;
+ Timer tmr;
+ int result = 0;
+
+ DBG("sendCmd:\t %s",cmd);
+
+ attach_rx(true);
+
+ //We flush the buffer
+ while (readable())
+ getc();
+
+ if (!ACK || !strcmp(ACK, "NO")) {
+ for (int i = 0; i < strlen(cmd); i++) {
+ result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
+ wait(0.005f); // prevents stuck recieve ready (?) need to let echoed character get read first
+ }
+ putc(13); //CR
+ wait(0.005f); // wait for echo
+ putc(10); //LF
+
+ } else {
+ //We flush the buffer
+ while (readable())
+ getc();
+
+ tmr.start();
+ for (int i = 0; i < strlen(cmd); i++) {
+ result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
+ wait(.005); // wait for echo
+ }
+ putc(13); //CR
+ wait(0.005f); // wait for echo
+ putc(10); //LF
+
+ while (1) {
+ if (tmr.read_ms() > timeout) {
+ //We flush the buffer
+ while (readable())
+ getc();
+
+ DBG("check:\t %s", checking);
+
+ attach_rx(true);
+ return -1;
+ } else if (readable()) {
+ read = getc();
+ //pc.printf("%c",read); //debug echo
+ if ( read != '\r' && read != '\n') {
+ checking[checking_size] = read;
+ checking_size++;
+ checking[checking_size] = '\0';
+ fond = strfind(checking,ACK,0);
+ if (fond != -1) {
+ wait(0.01f);
+
+ //We flush the buffer
+ while (readable())
+ read = getc();
+ //printf("%c",read); //debug echo
+ break;
+ }
+ }
+ }
+ }
+ DBG("check: %s", checking);
+
+ attach_rx(true);
+ return result;
+ }
+
+ //the user wants the result from the command (ACK == NULL, res != NULL)
+ if (res != NULL) {
+ int i = 0;
+ Timer timeout;
+ timeout.start();
+ tmr.reset();
+ while (1) {
+ if (timeout.read() > 2) {
+ if (i == 0) {
+ res = NULL;
+ break;
+ }
+ res[i] = '\0';
+ DBG("user str 1: %s", res);
+
+ break;
+ } else {
+ if (tmr.read_ms() > 300) {
+ res[i] = '\0';
+ DBG("user str: %s", res);
+
+ break;
+ }
+ if (readable()) {
+ tmr.start();
+ read = getc();
+
+ // we drop \r and \n
+ if ( read != '\r' && read != '\n') {
+ res[i++] = read;
+ }
+ }
+ }
+ }
+ DBG("user str: %s", res);
+ }
+
+ //We flush the buffer
+ while (readable())
+ getc();
+
+ attach_rx(true);
+ DBG("result: %d", result)
+ return result;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/ESP8266/ESP8266.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,235 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * ESP8266 serial wifi module
+ *
+ * Datasheet:
+ *
+ * http://www.electrodragon.com/w/Wi07c
+ */
+
+#ifndef ESP8266_H
+#define ESP8266_H
+
+#include "mbed.h"
+#include "CBuffer.h"
+
+#define DEFAULT_WAIT_RESP_TIMEOUT 500
+#define ESP_TCP_TYPE 1
+#define ESP_UDP_TYPE 0
+#define ESP_MBUFFE_MAX 256
+
+/**
+ * The ESP8266 class
+ */
+class ESP8266
+{
+
+public:
+ /**
+ * Constructor
+ *
+ * @param tx mbed pin to use for tx line of Serial interface
+ * @param rx mbed pin to use for rx line of Serial interface
+ * @param reset reset pin of the wifi module ()
+ * @param ssid ssid of the network
+ * @param phrase WEP, WPA or WPA2 key
+ * @param baud the baudrate of the serial connection
+ */
+ ESP8266( PinName tx, PinName rx, PinName reset, const char * ssid, const char * phrase, uint32_t baud );
+
+ /**
+ * Connect the wifi module to the ssid contained in the constructor.
+ *
+ * @return true if connected, false otherwise
+ */
+ bool join();
+
+ /**
+ * Same as Join: connect to the ssid and get DHCP settings
+ * @return true if successful
+ */
+ bool connect();
+
+ /**
+ * Check connection to the access point
+ * @return true if successful
+ */
+ bool is_connected();
+
+ /**
+ * Disconnect the ESP8266 module from the access point
+ *
+ * @return true if successful
+ */
+ bool disconnect();
+
+ /*
+ * Start up a UDP or TCP Connection
+ * @param type 0 for UDP, 1 for TCP
+ * @param ip A string that contains the IP, no quotes
+ * @param port Numerical port number to connect to
+ * @param id number between 0-4, if defined it denotes ID to use in multimode (Default to Single connection mode with -1)
+ * @return true if sucessful, 0 if fail
+ */
+ bool start(bool type, char* ip, int port, int id = -1);
+
+ /*
+ * Legacy Start for UDP only connection in transparent mode
+ * @param ip A string that contains the IP, no quotes
+ * @param id number between 0-4
+ * @param port Numerical port number to connect to
+ * @param length number of characters in the message being sent
+ */
+ bool startUDP(char* ip, int port, int id, int length);
+
+ /*
+ * Legacy Start for UDP only connection in transparent mode
+ * @param ip A string that contains the IP, no quotes
+ * @param id number between 0-4
+ * @param port Numerical port number to connect to
+ * @param length number of characters in the message being sent
+ */
+ //bool startUDP(char* ip, int port, int id, int length);
+
+ /*
+ *Starts the ESP chip as a TCP Server
+ *@param port Numerical port of the server, default is 333
+ */
+ bool startTCPServer(int port = 333);
+
+ /**
+ * Close a connection
+ *
+ * @return true if successful
+ */
+ bool close();
+
+ /**
+ * Return the IP address
+ * @return IP address as a string
+ */
+ char* getIPAddress();
+
+ /**
+ * Return the IP address from host name
+ * @return true on success, false on failure
+ */
+ bool gethostbyname(const char * host, char * ip);
+
+ /**
+ * Reset the wifi module
+ */
+ void reset();
+
+ /**
+ * Reboot the wifi module
+ */
+ bool reboot();
+
+ /**
+ * Check if characters are available
+ *
+ * @return number of available characters
+ */
+ int readable();
+
+ /**
+ * Check if characters are available
+ *
+ * @return number of available characters
+ */
+ int writeable();
+
+ /**
+ * Read a character
+ *
+ * @return the character read
+ */
+ char getc();
+
+ /**
+ * Write a character
+ *
+ * @param the character which will be written
+ */
+ int putc(char c);
+
+ /**
+ * Flush the buffer
+ */
+ void flush();
+
+ /**
+ * Send a command to the wifi module. Check if the module is in command mode. If not enter in command mode
+ *
+ * @param str string to be sent
+ * @param ACK string which must be acknowledge by the wifi module. If ACK == NULL, no string has to be acknowledged. (default: "NO")
+ * @param res this field will contain the response from the wifi module, result of a command sent. This field is available only if ACK = "NO" AND res != NULL (default: NULL)
+ *
+ * @return true if successful
+ */
+ bool sendCommand(const char * cmd, const char * ack = NULL, char * res = NULL, int timeout = DEFAULT_WAIT_RESP_TIMEOUT);
+
+ /**
+ * Send a string to the wifi module by serial port. This function desactivates the user interrupt handler when a character is received to analyze the response from the wifi module.
+ * Useful to send a command to the module and wait a response.
+ *
+ *
+ * @param str string to be sent
+ * @param len string length
+ * @param ACK string which must be acknowledge by the wifi module. If ACK == NULL, no string has to be acknoledged. (default: "NO")
+ * @param res this field will contain the response from the wifi module, result of a command sent. This field is available only if ACK = "NO" AND res != NULL (default: NULL)
+ *
+ * @return true if ACK has been found in the response from the wifi module. False otherwise or if there is no response in 5s.
+ */
+ int send(const char * buf, int len);
+
+ static ESP8266 * getInstance() {
+ return inst;
+ };
+
+protected:
+ int strfind(const char *str,const char *chkstr,int pos=0);
+ char* substr(const char *str , char *outstr , int pos1 , int pos2 );
+ int strcount(const char *str , char countstr );
+
+
+ RawSerial wifi;
+ DigitalOut reset_pin;
+ char phrase[30];
+ char ssid[30];
+ char ipString[20];
+ CircBuffer<char> buf_ESP8266;
+
+ static ESP8266 * inst;
+
+ void attach_rx(bool null);
+ void handler_rx(void);
+
+
+ typedef struct STATE {
+ bool associated;
+ bool cmdMode;
+ } State;
+
+ State state;
+};
+
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/ESP8266Interface.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,28 @@
+#include "ESP8266Interface.h"
+
+ESP8266Interface::ESP8266Interface( PinName tx, PinName rx, PinName reset,
+ const char * ssid, const char * phrase, uint32_t baud ) :
+ ESP8266(tx, rx, reset, ssid, phrase, baud )
+{
+}
+
+int ESP8266Interface::init()
+{
+ ESP8266::reset();
+ return 0;
+}
+
+bool ESP8266Interface::connect()
+{
+ return ESP8266::connect();
+}
+
+int ESP8266Interface::disconnect()
+{
+ return ESP8266::disconnect();
+}
+
+char * ESP8266Interface::getIPAddress()
+{
+ return ESP8266::getIPAddress();
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/ESP8266Interface.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,73 @@
+/* ESP8266Interface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef ESP8266INTERFACE_H_
+#define ESP8266INTERFACE_H_
+
+#include "ESP8266.h"
+#include "Endpoint.h"
+
+ /**
+ * Interface using ESP8266 to connect to an IP-based network
+ */
+class ESP8266Interface: public ESP8266 {
+public:
+
+ /**
+ * Constructor
+ *
+ * \param tx mbed pin to use for tx line of Serial interface
+ * \param rx mbed pin to use for rx line of Serial interface
+ * \param reset reset pin of the wifi module ()
+ * \param ssid ssid of the network
+ * \param phrase WEP or WPA key
+ * \param baud the baudrate of the serial connection (defaults to 115200, diff revs of the firmware use diff baud rates
+ */
+ ESP8266Interface(PinName tx, PinName rx, PinName reset, const char * ssid, const char * phrase, uint32_t baud = 115200 );
+
+ /** Initialize the interface with DHCP.
+ * Initialize the interface and configure it to use DHCP (no connection at this point).
+ * \return 0 on success, a negative number on failure
+ */
+ int init(); //With DHCP
+
+ /** Connect
+ * Bring the interface up, start DHCP if needed.
+ * \return 0 on success, a negative number on failure
+ */
+ bool connect();
+
+ /** Disconnect
+ * Bring the interface down
+ * \return 0 on success, a negative number on failure
+ */
+ int disconnect();
+
+ /** Get IP address
+ *
+ * \return ip address
+ */
+ char* getIPAddress();
+
+private:
+};
+
+#include "UDPSocket.h"
+
+#endif /* ESP8266INTERFACE_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ESP8266InterfaceTiny/Helper/def.h Sun Nov 15 13:36:44 2015 +0000 @@ -0,0 +1,28 @@ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef DEF_H +#define DEF_H + +#include "cmsis.h" +#define htons(x) __REV16(x) +#define ntohs(x) __REV16(x) +#define htonl(x) __REV(x) +#define ntohl(x) __REV(x) + +#endif \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/Endpoint.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,64 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+#include <cstring>
+
+using std::memset;
+
+Endpoint::Endpoint()
+{
+ ESP8266 = ESP8266::getInstance();
+ if (ESP8266 == NULL)
+ error("Endpoint constructor error: no ESP8266 instance available!\r\n");
+ reset_address();
+}
+Endpoint::~Endpoint() {}
+
+void Endpoint::reset_address(void)
+{
+ _ipAddress[0] = '\0';
+ _port = 0;
+ _id = -1;
+}
+
+int Endpoint::set_address(const char* host, const int port)
+{
+ //Resolve DNS address or populate hard-coded IP address
+ if(ESP8266->gethostbyname(host, _ipAddress)) {
+ _port = port;
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+char* Endpoint::get_address()
+{
+ return _ipAddress;
+}
+
+int Endpoint::get_port()
+{
+ return _port;
+}
+
+int Endpoint::get_id()
+{
+ return _id;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/Endpoint.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,72 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef ENDPOINT_H
+#define ENDPOINT_H
+
+#include "ESP8266.h"
+
+class UDPSocket;
+
+/**
+IP Endpoint (address, port)
+*/
+class Endpoint {
+ friend class UDPSocket;
+
+public:
+ /** IP Endpoint (address, port)
+ */
+ Endpoint(void);
+
+ ~Endpoint(void);
+
+ /** Reset the address of this endpoint
+ */
+ void reset_address(void);
+
+ /** Set the address of this endpoint
+ \param host The endpoint address (it can either be an IP Address or a hostname that will be resolved with DNS).
+ \param port The endpoint port
+ \return 0 on success, -1 on failure (when an hostname cannot be resolved by DNS).
+ */
+ int set_address(const char* host, const int port);
+
+ /** Get the IP address of this endpoint
+ \return The IP address of this endpoint.
+ */
+ char* get_address(void);
+
+ /** Get the port of this endpoint
+ \return The port of this endpoint
+ */
+ int get_port(void);
+
+ /** Get the id of this endpoint
+ \return The id of this endpoint
+ */
+ int get_id(void);
+
+protected:
+ char _ipAddress[64];
+ int _port;
+ int _id;
+
+ ESP8266 * ESP8266;
+};
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/Socket.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,57 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "Socket.h"
+#include <cstring>
+
+//Debug is disabled by default
+#if 0
+//Enable debug
+#include <cstdio>
+#define DBG(x, ...) std::printf("[Socket : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define WARN(x, ...) std::printf("[Socket : WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define ERR(x, ...) std::printf("[Socket : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+
+#else
+//Disable debug
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+
+#endif
+
+Socket::Socket() : _blocking(true), _timeout(1500) {
+ wifi = ESP8266::getInstance();
+ if (wifi == NULL)
+ ERR("Socket constructor error: no ESP8266 instance available!");
+}
+
+void Socket::set_blocking(bool blocking, unsigned int timeout) {
+ DBG("set blocking: %d %d", blocking, timeout);
+ _blocking = blocking;
+ _timeout = timeout;
+}
+
+int Socket::close() {
+
+ return (wifi->close()) ? 0 : -1;
+}
+
+Socket::~Socket() {
+ close(); //Don't want to leak
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/Socket.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,51 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef SOCKET_H_
+#define SOCKET_H_
+
+#include "ESP8266.h"
+
+/** Socket file descriptor and select wrapper
+ */
+class Socket {
+public:
+ /** Socket
+ */
+ Socket();
+
+ /** Set blocking or non-blocking mode of the socket and a timeout on
+ blocking socket operations
+ \param blocking true for blocking mode, false for non-blocking mode.
+ \param timeout timeout in ms [Default: (1500)ms].
+ */
+ void set_blocking(bool blocking, unsigned int timeout=1500);
+
+ /** Close the socket file descriptor
+ */
+ int close();
+
+ ~Socket();
+
+protected:
+ bool _blocking;
+ int _timeout;
+ ESP8266 * wifi;
+};
+
+
+#endif /* SOCKET_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/TCPSocketConnection.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,246 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "TCPSocketConnection.h"
+#include <cstring>
+#include <algorithm>
+
+using std::memset;
+using std::memcpy;
+
+//Debug is disabled by default
+#if 1
+#define DBG(x, ...) printf("[TCPConnection : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define WARN(x, ...) printf("[TCPConnection: WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define ERR(x, ...) printf("[TCPConnection : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#else
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+TCPSocketConnection::TCPSocketConnection() :
+ _is_connected(false)
+{
+}
+
+int TCPSocketConnection::connect(const char* host, const int port)
+{
+// if (init_socket(SOCK_STREAM) < 0)
+// return -1;
+//
+ if (set_address(host, port) != 0)
+ return -1;
+//
+// if (lwip_connect(_sock_fd, (const struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) {
+// close();
+// return -1;
+// }
+// _is_connected = true;
+
+ _is_connected = ESP8266->start(ESP_TCP_TYPE,_ipAddress,_port);
+ if(_is_connected) { //success
+ return 0;
+ } else { // fail
+ return -1;
+ }
+}
+
+bool TCPSocketConnection::is_connected(void)
+{
+ return _is_connected;
+}
+
+int TCPSocketConnection::send(char* data, int length)
+{
+ if (!_is_connected) {
+ ERR("TCPSocketConnection::receive() - _is_connected is false : you cant receive data until you connect to a socket!");
+ return -1;
+ }
+ Timer tmr;
+ int idx = 0;
+ tmr.start();
+ while ((tmr.read_ms() < _timeout) || _blocking) {
+
+ idx += wifi->send(data, length);
+
+ if (idx == length)
+ return idx;
+ }
+ return (idx == 0) ? -1 : idx;
+
+ //return wifi->send(data,length);
+//
+// if (!_blocking) {
+// TimeInterval timeout(_timeout);
+// if (wait_writable(timeout) != 0)
+// return -1;
+// }
+//
+// int n = lwip_send(_sock_fd, data, length, 0);
+// _is_connected = (n != 0);
+//
+// return n;
+
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length)
+{
+// if ((_sock_fd < 0) || !_is_connected)
+// return -1;
+//
+// int writtenLen = 0;
+// TimeInterval timeout(_timeout);
+// while (writtenLen < length) {
+// if (!_blocking) {
+// // Wait for socket to be writeable
+// if (wait_writable(timeout) != 0)
+// return writtenLen;
+// }
+//
+// int ret = lwip_send(_sock_fd, data + writtenLen, length - writtenLen, 0);
+// if (ret > 0) {
+// writtenLen += ret;
+// continue;
+// } else if (ret == 0) {
+// _is_connected = false;
+// return writtenLen;
+// } else {
+// return -1; //Connnection error
+// }
+// }
+// return writtenLen;
+ return send(data,length); // just remap to send
+}
+
+int TCPSocketConnection::receive(char* buffer, int length)
+{
+ if (!_is_connected) {
+ ERR("TCPSocketConnection::receive() - _is_connected is false : you cant receive data until you connect to a socket!");
+ return -1;
+ }
+ Timer tmr;
+ int idx = 0;
+ int nb_available = 0;
+ int time = -1;
+
+ //make this the non-blocking case and return if <= 0
+ // remember to change the config to blocking
+ // if ( ! _blocking) {
+ // if ( wifi.readable <= 0 ) {
+ // return (wifi.readable);
+ // }
+ // }
+ //---
+ tmr.start();
+ if (_blocking) {
+ while (1) {
+ nb_available = wifi->readable();
+ if (nb_available != 0) {
+ break;
+ }
+ }
+ }
+ //---
+ // blocking case
+ else {
+ tmr.reset();
+
+ while (time < _timeout) {
+ nb_available = wifi->readable();
+ if (nb_available < 0) return nb_available;
+ if (nb_available > 0) break ;
+ time = tmr.read_ms();
+ }
+
+ if (nb_available == 0) return nb_available;
+ }
+
+ // change this to < 20 mS timeout per byte to detect end of packet gap
+ // this may not work due to buffering at the UART interface
+ tmr.reset();
+ // while ( tmr.read_ms() < 20 ) {
+ // if ( wifi.readable() && (idx < length) ) {
+ // buffer[idx++] = wifi->getc();
+ // tmr.reset();
+ // }
+ // if ( idx == length ) {
+ // break;
+ // }
+ // }
+ //---
+ while (time < _timeout) {
+
+ nb_available = wifi->readable();
+ //for (int i = 0; i < min(nb_available, length); i++) {
+ for (int i = 0; i < min(nb_available, (length-idx)); i++) {
+ buffer[idx] = wifi->getc();
+ idx++;
+ }
+ if (idx == length) {
+ break;
+ }
+ time = tmr.read_ms();
+ }
+ //---
+ return (idx == 0) ? -1 : idx;
+
+//************************ original code below
+//
+// if (!_blocking) {
+// TimeInterval timeout(_timeout);
+// if (wait_readable(timeout) != 0)
+// return -1;
+// }
+//
+// int n = lwip_recv(_sock_fd, data, length, 0);
+// _is_connected = (n != 0);
+//
+// return n;
+
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length)
+{
+ //ERR("receive_all() not yet implimented");
+ // if ((_sock_fd < 0) || !_is_connected)
+// return -1;
+//
+// int readLen = 0;
+// TimeInterval timeout(_timeout);
+// while (readLen < length) {
+// if (!_blocking) {
+// //Wait for socket to be readable
+// if (wait_readable(timeout) != 0)
+// return readLen;
+// }
+//
+// int ret = lwip_recv(_sock_fd, data + readLen, length - readLen, 0);
+// if (ret > 0) {
+// readLen += ret;
+// } else if (ret == 0) {
+// _is_connected = false;
+// return readLen;
+// } else {
+// return -1; //Connnection error
+// }
+// }
+// return readLen;
+ receive(data,length);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/TCPSocketConnection.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,82 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef TCPSOCKET_H
+#define TCPSOCKET_H
+
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+
+/**
+TCP socket connection
+*/
+class TCPSocketConnection : public Socket, public Endpoint {
+ friend class TCPSocketServer;
+
+public:
+ /** TCP socket connection
+ */
+ TCPSocketConnection();
+
+ /** Connects this TCP socket to the server
+ \param host The host to connect to. It can either be an IP Address or a hostname that will be resolved with DNS.
+ \param port The host's port to connect to.
+ \return 0 on success, -1 on failure.
+ */
+ int connect(const char* host, const int port);
+
+ /** Check if the socket is connected
+ \return true if connected, false otherwise.
+ */
+ bool is_connected(void);
+
+ /** Send data to the remote host.
+ \param data The buffer to send to the host.
+ \param length The length of the buffer to send.
+ \return the number of written bytes on success (>=0) or -1 on failure
+ */
+ int send(char* data, int length);
+
+ /** Send all the data to the remote host.
+ \param data The buffer to send to the host.
+ \param length The length of the buffer to send.
+ \return the number of written bytes on success (>=0) or -1 on failure
+ */
+ int send_all(char* data, int length);
+
+ /** Receive data from the remote host.
+ \param data The buffer in which to store the data received from the host.
+ \param length The maximum length of the buffer.
+ \return the number of received bytes on success (>=0) or -1 on failure
+ */
+ int receive(char* data, int length);
+
+ /** Receive all the data from the remote host.
+ \param data The buffer in which to store the data received from the host.
+ \param length The maximum length of the buffer.
+ \return the number of received bytes on success (>=0) or -1 on failure
+ */
+ int receive_all(char* data, int length);
+
+private:
+ bool _is_connected;
+
+};
+
+#endif
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/TCPSocketServer.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,44 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "TCPSocketServer.h"
+
+#include <cstring>
+
+using std::memset;
+using std::memcpy;
+
+TCPSocketServer::TCPSocketServer() {
+
+}
+
+int TCPSocketServer::bind(int port) {
+ if(!wifi->startTCPServer(port)) {
+ return(-1);
+ }
+ _port = port;
+ return 0;
+}
+
+int TCPSocketServer::listen(int max) {
+
+ return 0;
+}
+
+int TCPSocketServer::accept(TCPSocketConnection& connection) {
+ return 0;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/TCPSocketServer.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,55 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef TCPSOCKETSERVER_H
+#define TCPSOCKETSERVER_H
+
+#include "Socket/Socket.h"
+#include "TCPSocketConnection.h"
+
+/** TCP Server.
+ */
+class TCPSocketServer : public Socket {
+ friend class TCPSocketConnection;
+ public:
+ /** Instantiate a TCP Server.
+ */
+ TCPSocketServer();
+
+ /** Bind a socket to a specific port.
+ \param port The port to listen for incoming connections on.
+ \return 0 on success, -1 on failure.
+ */
+ int bind(int port);
+
+ /** Start listening for incoming connections.
+ \param backlog number of pending connections that can be queued up at any
+ one time [Default: 1].
+ \return 0 on success, -1 on failure.
+ */
+ int listen(int backlog=1);
+
+ /** Accept a new connection.
+ \param connection A TCPSocketConnection instance that will handle the incoming connection.
+ \return 0 on success, -1 on failure.
+ */
+ int accept(TCPSocketConnection& connection);
+private:
+ int _port;
+};
+
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/UDPSocket.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,154 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "UDPSocket.h"
+
+#include <string>
+#include <algorithm>
+
+UDPSocket::UDPSocket()
+{
+ endpoint_configured = false;
+ endpoint_read = false;
+ Endpoint currentEndpoint;
+}
+
+int UDPSocket::init(void)
+{
+ return 0;
+}
+
+// Server initialization
+int UDPSocket::bind(int port)
+{
+ return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int UDPSocket::sendTo(Endpoint &remote, char *packet, int length)
+{
+ Timer tmr;
+ int idx = 0;
+
+
+ confEndpoint(remote);
+
+ // initialize transparent mode if not already done
+ if(!endpoint_configured) {
+ // initialize UDP (default id of -1 means transparent mode)
+ //!wifi->start(ESP_UDP_TYPE, remote._ipAddress, remote._port, remote._id
+ if(!wifi->startUDP(remote._ipAddress, remote._port, 0,length)) {
+ return(-1);
+ }
+ endpoint_configured = true;
+ }
+
+ tmr.start();
+
+ while ((tmr.read_ms() < _timeout) || _blocking) {
+
+ idx += wifi->send(packet, length);
+
+ if (idx == length)
+ return idx;
+ }
+ return (idx == 0) ? -1 : idx;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length)
+{
+ Timer tmr;
+ int idx = 0;
+ int nb_available = 0;
+ int time = -1;
+
+ //make this the non-blocking case and return if <= 0
+ // remember to change the config to blocking
+ // if ( ! _blocking) {
+ // if ( wifi.readable <= 0 ) {
+ // return (wifi.readable);
+ // }
+ // }
+ //---
+ tmr.start();
+ if (_blocking) {
+ while (1) {
+ nb_available = wifi->readable();
+ if (nb_available != 0) {
+ break;
+ }
+ }
+ }
+ //---
+ // blocking case
+ else {
+ tmr.reset();
+
+ while (time < _timeout) {
+ nb_available = wifi->readable();
+ if (nb_available < 0) return nb_available;
+ if (nb_available > 0) break ;
+ time = tmr.read_ms();
+ }
+
+ if (nb_available == 0) return nb_available;
+ }
+
+ // change this to < 20 mS timeout per byte to detect end of packet gap
+ // this may not work due to buffering at the UART interface
+ tmr.reset();
+ // while ( tmr.read_ms() < 20 ) {
+ // if ( wifi.readable() && (idx < length) ) {
+ // buffer[idx++] = wifi->getc();
+ // tmr.reset();
+ // }
+ // if ( idx == length ) {
+ // break;
+ // }
+ // }
+ //---
+ while (time < _timeout) {
+
+ nb_available = wifi->readable();
+ //for (int i = 0; i < min(nb_available, length); i++) {
+ for (int i = 0; i < min(nb_available, (length-idx)); i++) {
+ buffer[idx] = wifi->getc();
+ idx++;
+ }
+ if (idx == length) {
+ break;
+ }
+ time = tmr.read_ms();
+ }
+ //---
+ readEndpoint(remote);
+ return (idx == 0) ? -1 : idx;
+}
+
+bool UDPSocket::confEndpoint(Endpoint & ep)
+{
+ currentEndpoint = ep;
+ return true;
+}
+
+bool UDPSocket::readEndpoint(Endpoint & ep)
+{
+ ep = currentEndpoint;
+ return true;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266InterfaceTiny/Socket/UDPSocket.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,76 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef UDPSOCKET_H
+#define UDPSOCKET_H
+
+#include "Endpoint.h"
+#include "Socket.h"
+
+#include <cstdint>
+
+/**
+UDP Socket
+*/
+class UDPSocket: public Socket {
+
+public:
+ /** Instantiate an UDP Socket.
+ */
+ UDPSocket();
+
+ /** Init the UDP Client Socket without binding it to any specific port
+ \return 0 on success, -1 on failure.
+ */
+ int init(void);
+
+ /** Bind a UDP Server Socket to a specific port
+ \param port The port to listen for incoming connections on
+ \return 0 on success, -1 on failure.
+ */
+ int bind(int port = -1);
+
+ /** Send a packet to a remote endpoint
+ \param remote The remote endpoint
+ \param packet The packet to be sent
+ \param length The length of the packet to be sent
+ \return the number of written bytes on success (>=0) or -1 on failure
+ */
+ int sendTo(Endpoint &remote, char *packet, int length);
+
+ /** Receive a packet from a remote endpoint
+ \param remote The remote endpoint
+ \param buffer The buffer for storing the incoming packet data. If a packet
+ is too long to fit in the supplied buffer, excess bytes are discarded
+ \param length The length of the buffer
+ \return the number of received bytes on success (>=0) or -1 on failure
+ */
+ int receiveFrom(Endpoint &remote, char *buffer, int length);
+
+private:
+ bool confEndpoint(Endpoint & ep);
+ bool readEndpoint(Endpoint & ep);
+ bool endpoint_configured;
+ bool endpoint_read;
+ Endpoint currentEndpoint;
+
+};
+
+#include "def.h"
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/HTTPClient.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,739 @@
+/* HTTPClient.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+//Debug is disabled by default
+#if 0
+//Enable debug
+#include <cstdio>
+#define DBG(x, ...) std::printf("[HTTPClient : DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) std::printf("[HTTPClient : WARN]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) std::printf("[HTTPClient : ERR]"x"\r\n", ##__VA_ARGS__);
+
+#else
+//Disable debug
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+
+#endif
+
+#define HTTP_PORT 80
+
+#define OK 0
+
+#define MIN(x,y) (((x)<(y))?(x):(y))
+#define MAX(x,y) (((x)>(y))?(x):(y))
+
+#define CHUNK_SIZE 256
+
+#include <cstring>
+
+#include "HTTPClient.h"
+
+
+HTTPClient::HTTPClient() :
+m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0)
+{
+
+}
+
+HTTPClient::~HTTPClient()
+{
+
+}
+
+#if 0
+void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
+{
+ m_basicAuthUser = user;
+ m_basicAuthPassword = password;
+}
+#endif
+
+HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+ return connect(url, HTTP_GET, NULL, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+ HTTPText str(result, maxResultLen);
+ return get(url, &str, timeout);
+}
+
+HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+ return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+ return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+ return connect(url, HTTP_DELETE, NULL, pDataIn, timeout);
+}
+
+
+int HTTPClient::getHTTPResponseCode()
+{
+ return m_httpResponseCode;
+}
+
+#define CHECK_CONN_ERR(ret) \
+ do{ \
+ if(ret) { \
+ m_sock.close(); \
+ ERR("Connection error (%d)", ret); \
+ return HTTP_CONN; \
+ } \
+ } while(0)
+
+#define PRTCL_ERR() \
+ do{ \
+ m_sock.close(); \
+ ERR("Protocol error"); \
+ return HTTP_PRTCL; \
+ } while(0)
+
+HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
+{
+ m_httpResponseCode = 0; //Invalidate code
+ m_timeout = timeout;
+
+ pDataIn->writeReset();
+ if( pDataOut )
+ {
+ pDataOut->readReset();
+ }
+
+ char scheme[8];
+ uint16_t port;
+ char host[32];
+ char path[64];
+ //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?)
+ HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
+ if(res != HTTP_OK)
+ {
+ ERR("parseURL returned %d", res);
+ return res;
+ }
+
+ if(port == 0) //TODO do handle HTTPS->443
+ {
+ port = 80;
+ }
+
+ DBG("Scheme: %s", scheme);
+ DBG("Host: %s", host);
+ DBG("Port: %d", port);
+ DBG("Path: %s", path);
+
+ //Connect
+ DBG("Connecting socket to server");
+ int ret = m_sock.connect(host, port);
+ if (ret < 0)
+ {
+ m_sock.close();
+ ERR("Could not connect");
+ return HTTP_CONN;
+ }
+ //Send request
+ DBG("Sending request");
+ char buf[CHUNK_SIZE];
+ const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":"";
+ snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s\r\n", meth, path, host); //Write request
+ ret = send(buf);
+ if(ret)
+ {
+ m_sock.close();
+ ERR("Could not write request");
+ return HTTP_CONN;
+ }
+
+ //Send all headers
+
+ //Send default headers
+ DBG("Sending headers");
+ if( pDataOut != NULL )
+ {
+ if( pDataOut->getIsChunked() )
+ {
+ ret = send("Transfer-Encoding: chunked\r\n");
+ CHECK_CONN_ERR(ret);
+ }
+ else
+ {
+ snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen());
+ ret = send(buf);
+ CHECK_CONN_ERR(ret);
+ }
+ char type[48];
+ if( pDataOut->getDataType(type, 48) == HTTP_OK )
+ {
+ snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
+ ret = send(buf);
+ CHECK_CONN_ERR(ret);
+ }
+
+ //Send specific headers
+ while( pDataOut->getHeader(buf, sizeof(buf) - 3) ) //must have space left for CRLF + 0 terminating char
+ {
+ size_t headerlen = strlen(buf);
+ snprintf(buf + headerlen, sizeof(buf) - headerlen, "\r\n");
+ ret = send(buf);
+ CHECK_CONN_ERR(ret);
+ }
+ }
+
+ //Send specific headers
+ while( pDataIn->getHeader(buf, sizeof(buf) - 3) )
+ {
+ size_t headerlen = strlen(buf);
+ snprintf(buf + headerlen, sizeof(buf) - headerlen, "\r\n");
+ ret = send(buf);
+ CHECK_CONN_ERR(ret);
+ }
+
+ //Close headers
+ DBG("Headers sent");
+ ret = send("\r\n");
+ CHECK_CONN_ERR(ret);
+
+ size_t trfLen;
+
+ //Send data (if available)
+ if( pDataOut != NULL )
+ {
+ DBG("Sending data");
+ while(true)
+ {
+ size_t writtenLen = 0;
+ pDataOut->read(buf, CHUNK_SIZE, &trfLen);
+ if( pDataOut->getIsChunked() )
+ {
+ //Write chunk header
+ char chunkHeader[16];
+ snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
+ ret = send(chunkHeader);
+ CHECK_CONN_ERR(ret);
+ }
+ else if( trfLen == 0 )
+ {
+ break;
+ }
+ if( trfLen != 0 )
+ {
+ ret = send(buf, trfLen);
+ CHECK_CONN_ERR(ret);
+ }
+
+ if( pDataOut->getIsChunked() )
+ {
+ ret = send("\r\n"); //Chunk-terminating CRLF
+ CHECK_CONN_ERR(ret);
+ }
+ else
+ {
+ writtenLen += trfLen;
+ if( writtenLen >= pDataOut->getDataLen() )
+ {
+ break;
+ }
+ }
+
+ if( trfLen == 0 )
+ {
+ break;
+ }
+ }
+ }
+
+ //Receive response
+ DBG("Receiving response");
+ ret = recv(buf, 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
+ CHECK_CONN_ERR(ret);
+
+ buf[trfLen] = '\0';
+
+ //Make sure we got the first response line
+ char* crlfPtr = NULL;
+ while( true )
+ {
+ crlfPtr = strstr(buf, "\r\n");
+ if(crlfPtr == NULL)
+ {
+ if( trfLen < CHUNK_SIZE - 1 )
+ {
+ size_t newTrfLen;
+ ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+ trfLen += newTrfLen;
+ buf[trfLen] = '\0';
+ DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
+ CHECK_CONN_ERR(ret);
+ continue;
+ }
+ else
+ {
+ PRTCL_ERR();
+ }
+ }
+ break;
+ }
+
+ int crlfPos = crlfPtr - buf;
+ buf[crlfPos] = '\0';
+
+ //Parse HTTP response
+ //if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 )
+ if(crlfPos > 13)
+ {
+ buf[13] = '\0';
+ }
+ if( sscanf(buf, "HTTP/%*d.%*d %d", &m_httpResponseCode) != 1 ) //Kludge for newlib nano
+ {
+ //Cannot match string, error
+ ERR("Not a correct HTTP answer : %s\n", buf);
+ PRTCL_ERR();
+ }
+
+ if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 300) )
+ {
+ //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers
+ WARN("Response code %d", m_httpResponseCode);
+ PRTCL_ERR();
+ }
+
+ DBG("Reading headers");
+
+ memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
+ trfLen -= (crlfPos + 2);
+
+ size_t recvContentLength = 0;
+ bool recvChunked = false;
+ bool recvLengthUnknown = true;
+ //Now get headers
+ while( true )
+ {
+ crlfPtr = strstr(buf, "\r\n");
+ if(crlfPtr == NULL)
+ {
+ if( trfLen < CHUNK_SIZE - 1 )
+ {
+ size_t newTrfLen;
+ ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+ trfLen += newTrfLen;
+ buf[trfLen] = '\0';
+ DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
+ CHECK_CONN_ERR(ret);
+ continue;
+ }
+ else
+ {
+ PRTCL_ERR();
+ }
+ }
+
+ crlfPos = crlfPtr - buf;
+
+ if(crlfPos == 0) //End of headers
+ {
+ DBG("Headers read");
+ memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
+ trfLen -= 2;
+ break;
+ }
+
+ buf[crlfPos] = '\0';
+
+ char key[32];
+ char value[32];
+
+ //key[31] = '\0';
+ //value[31] = '\0';
+
+ memset(key, 0, 32);
+ memset(value, 0, 32);
+
+ //int n = sscanf(buf, "%31[^:]: %31[^\r\n]", key, value);
+
+ int n = 0;
+
+ char* keyEnd = strchr(buf, ':');
+ if(keyEnd != NULL)
+ {
+ *keyEnd = '\0';
+ if(strlen(buf) < 32)
+ {
+ strcpy(key, buf);
+ n++;
+ char* valueStart = keyEnd + 2;
+ if( (valueStart - buf) < crlfPos )
+ {
+ if(strlen(valueStart) < 32)
+ {
+ strcpy(value, valueStart);
+ n++;
+ }
+ }
+ }
+ }
+ if ( n == 2 )
+ {
+ DBG("Read header : %s: %s\n", key, value);
+ if( !strcmp(key, "Content-Length") )
+ {
+ sscanf(value, "%d", &recvContentLength);
+ recvLengthUnknown = false;
+ pDataIn->setDataLen(recvContentLength);
+ }
+ else if( !strcmp(key, "Transfer-Encoding") )
+ {
+ if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") )
+ {
+ recvChunked = true;
+ recvLengthUnknown = false;
+ pDataIn->setIsChunked(true);
+ }
+ }
+ else if( !strcmp(key, "Content-Type") )
+ {
+ pDataIn->setDataType(value);
+ }
+
+ memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
+ trfLen -= (crlfPos + 2);
+
+ }
+ else
+ {
+ ERR("Could not parse header");
+ PRTCL_ERR();
+ }
+
+ }
+
+ //Receive data
+ DBG("Receiving data");
+ while(true)
+ {
+ size_t readLen = 0;
+
+ if( recvChunked )
+ {
+ //Read chunk header
+ bool foundCrlf;
+ do
+ {
+ foundCrlf = false;
+ crlfPos=0;
+ buf[trfLen]=0;
+ if(trfLen >= 2)
+ {
+ for(; crlfPos < trfLen - 2; crlfPos++)
+ {
+ if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' )
+ {
+ foundCrlf = true;
+ break;
+ }
+ }
+ }
+ if(!foundCrlf) //Try to read more
+ {
+ if( trfLen < CHUNK_SIZE )
+ {
+ size_t newTrfLen;
+ ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+ trfLen += newTrfLen;
+ CHECK_CONN_ERR(ret);
+ continue;
+ }
+ else
+ {
+ PRTCL_ERR();
+ }
+ }
+ } while(!foundCrlf);
+ buf[crlfPos] = '\0';
+ int n = sscanf(buf, "%x", &readLen);
+ if(n!=1)
+ {
+ ERR("Could not read chunk length");
+ PRTCL_ERR();
+ }
+
+ memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
+ trfLen -= (crlfPos + 2);
+
+ if( readLen == 0 )
+ {
+ //Last chunk
+ break;
+ }
+ }
+ else
+ {
+ readLen = recvContentLength;
+ }
+
+ DBG("Retrieving %d bytes (%d bytes in buffer)", readLen, trfLen);
+
+ do
+ {
+ if(recvLengthUnknown )
+ {
+ readLen = trfLen;
+ }
+ pDataIn->write(buf, MIN(trfLen, readLen));
+ if(!recvLengthUnknown)
+ {
+ if( trfLen > readLen )
+ {
+ memmove(buf, &buf[readLen], trfLen - readLen);
+ trfLen -= readLen;
+ readLen = 0;
+ }
+ else
+ {
+ readLen -= trfLen;
+ }
+ }
+ else
+ {
+ trfLen = 0;
+ }
+
+ if(readLen || recvLengthUnknown)
+ {
+ ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
+ if(recvLengthUnknown && (ret == HTTP_CLOSED))
+ {
+ //Write and exit
+ pDataIn->write(buf, trfLen);
+ break;
+ }
+ CHECK_CONN_ERR(ret);
+ if(recvLengthUnknown && (trfLen == 0))
+ {
+ break;
+ }
+ }
+ } while(readLen || recvLengthUnknown);
+
+ if( recvChunked )
+ {
+ if(trfLen < 2)
+ {
+ size_t newTrfLen;
+ //Read missing chars to find end of chunk
+ ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+ CHECK_CONN_ERR(ret);
+ trfLen += newTrfLen;
+ }
+ if( (buf[0] != '\r') || (buf[1] != '\n') )
+ {
+ ERR("Format error");
+ PRTCL_ERR();
+ }
+ memmove(buf, &buf[2], trfLen - 2);
+ trfLen -= 2;
+ }
+ else
+ {
+ break;
+ }
+
+ }
+
+ m_sock.close();
+ DBG("Completed HTTP transaction");
+
+ return HTTP_OK;
+}
+
+HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
+{
+ DBG("Trying to read between %d and %d bytes", minLen, maxLen);
+ size_t readLen = 0;
+
+ if(!m_sock.is_connected())
+ {
+ WARN("Connection was closed by server");
+ return HTTP_CLOSED; //Connection was closed by server
+ }
+
+ int ret;
+ while(readLen < maxLen)
+ {
+ if(readLen < minLen)
+ {
+ DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen);
+ m_sock.set_blocking(false, m_timeout);
+ ret = m_sock.receive_all(buf + readLen, minLen - readLen);
+ }
+ else
+ {
+ DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen);
+ m_sock.set_blocking(false, 0);
+ ret = m_sock.receive(buf + readLen, maxLen - readLen);
+ }
+
+ if( ret > 0)
+ {
+ readLen += ret;
+ }
+ else if( ret == 0 )
+ {
+ break;
+ }
+ else
+ {
+ if(!m_sock.is_connected())
+ {
+ ERR("Connection error (recv returned %d)", ret);
+ *pReadLen = readLen;
+ return HTTP_CONN;
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ if(!m_sock.is_connected())
+ {
+ break;
+ }
+ }
+ DBG("Read %d bytes", readLen);
+ *pReadLen = readLen;
+ return HTTP_OK;
+}
+
+HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
+{
+ if(len == 0)
+ {
+ len = strlen(buf);
+ }
+ DBG("Trying to write %d bytes", len);
+ size_t writtenLen = 0;
+
+ if(!m_sock.is_connected())
+ {
+ WARN("Connection was closed by server");
+ return HTTP_CLOSED; //Connection was closed by server
+ }
+
+ m_sock.set_blocking(false, m_timeout);
+ int ret = m_sock.send_all(buf, len);
+ if(ret > 0)
+ {
+ writtenLen += ret;
+ }
+ else if( ret == 0 )
+ {
+ WARN("Connection was closed by server");
+ return HTTP_CLOSED; //Connection was closed by server
+ }
+ else
+ {
+ ERR("Connection error (send returned %d)", ret);
+ return HTTP_CONN;
+ }
+
+ DBG("Written %d bytes", writtenLen);
+ return HTTP_OK;
+}
+
+HTTPResult HTTPClient::parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen) //Parse URL
+{
+ char* schemePtr = (char*) url;
+ char* hostPtr = (char*) strstr(url, "://");
+ if(hostPtr == NULL)
+ {
+ WARN("Could not find host");
+ return HTTP_PARSE; //URL is invalid
+ }
+
+ if( maxSchemeLen < hostPtr - schemePtr + 1 ) //including NULL-terminating char
+ {
+ WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
+ return HTTP_PARSE;
+ }
+ memcpy(scheme, schemePtr, hostPtr - schemePtr);
+ scheme[hostPtr - schemePtr] = '\0';
+
+ hostPtr+=3;
+
+ size_t hostLen = 0;
+
+ char* portPtr = strchr(hostPtr, ':');
+ if( portPtr != NULL )
+ {
+ hostLen = portPtr - hostPtr;
+ portPtr++;
+ if( sscanf(portPtr, "%hu", port) != 1)
+ {
+ WARN("Could not find port");
+ return HTTP_PARSE;
+ }
+ }
+ else
+ {
+ *port=0;
+ }
+ char* pathPtr = strchr(hostPtr, '/');
+ if( hostLen == 0 )
+ {
+ hostLen = pathPtr - hostPtr;
+ }
+
+ if( maxHostLen < hostLen + 1 ) //including NULL-terminating char
+ {
+ WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
+ return HTTP_PARSE;
+ }
+ memcpy(host, hostPtr, hostLen);
+ host[hostLen] = '\0';
+
+ size_t pathLen;
+ char* fragmentPtr = strchr(hostPtr, '#');
+ if(fragmentPtr != NULL)
+ {
+ pathLen = fragmentPtr - pathPtr;
+ }
+ else
+ {
+ pathLen = strlen(pathPtr);
+ }
+
+ if( maxPathLen < pathLen + 1 ) //including NULL-terminating char
+ {
+ WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
+ return HTTP_PARSE;
+ }
+ memcpy(path, pathPtr, pathLen);
+ path[pathLen] = '\0';
+
+ return HTTP_OK;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/HTTPClient.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,159 @@
+/* HTTPClient.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/** \file
+HTTP Client header file
+*/
+
+#ifndef HTTP_CLIENT_H
+#define HTTP_CLIENT_H
+
+#include "TCPSocketConnection.h"
+
+#define HTTP_CLIENT_DEFAULT_TIMEOUT 15000
+
+class HTTPData;
+
+#include "IHTTPData.h"
+#include "mbed.h"
+
+///HTTP client results
+enum HTTPResult
+{
+ HTTP_PROCESSING, ///<Processing
+ HTTP_PARSE, ///<url Parse error
+ HTTP_DNS, ///<Could not resolve name
+ HTTP_PRTCL, ///<Protocol error
+ HTTP_NOTFOUND, ///<HTTP 404 Error
+ HTTP_REFUSED, ///<HTTP 403 Error
+ HTTP_ERROR, ///<HTTP xxx error
+ HTTP_TIMEOUT, ///<Connection timeout
+ HTTP_CONN, ///<Connection error
+ HTTP_CLOSED, ///<Connection was closed by remote host
+ HTTP_OK = 0, ///<Success
+};
+
+/**A simple HTTP Client
+The HTTPClient is composed of:
+- The actual client (HTTPClient)
+- Classes that act as a data repository, each of which deriving from the HTTPData class (HTTPText for short text content, HTTPFile for file I/O, HTTPMap for key/value pairs, and HTTPStream for streaming purposes)
+*/
+class HTTPClient
+{
+public:
+ ///Instantiate the HTTP client
+ HTTPClient();
+ ~HTTPClient();
+
+#if 0 //TODO add header handlers
+ /**
+ Provides a basic authentification feature (Base64 encoded username and password)
+ Pass two NULL pointers to switch back to no authentication
+ @param user username to use for authentication, must remain valid durlng the whole HTTP session
+ @param user password to use for authentication, must remain valid durlng the whole HTTP session
+ */
+ void basicAuth(const char* user, const char* password); //Basic Authentification
+#endif
+
+ //High Level setup functions
+ /** Execute a GET request on the URL
+ Blocks until completion
+ @param url : url on which to execute the request
+ @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
+ @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
+ @return 0 on success, HTTP error (<0) on failure
+ */
+ HTTPResult get(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
+
+ /** Execute a GET request on the URL
+ Blocks until completion
+ This is a helper to directly get a piece of text from a HTTP result
+ @param url : url on which to execute the request
+ @param result : pointer to a char array in which the result will be stored
+ @param maxResultLen : length of the char array (including space for the NULL-terminating char)
+ @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
+ @return 0 on success, HTTP error (<0) on failure
+ */
+ HTTPResult get(const char* url, char* result, size_t maxResultLen, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
+
+ /** Execute a POST request on the URL
+ Blocks until completion
+ @param url : url on which to execute the request
+ @param dataOut : a IHTTPDataOut instance that contains the data that will be posted
+ @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
+ @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
+ @return 0 on success, HTTP error (<0) on failure
+ */
+ HTTPResult post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
+
+ /** Execute a PUT request on the URL
+ Blocks until completion
+ @param url : url on which to execute the request
+ @param dataOut : a IHTTPDataOut instance that contains the data that will be put
+ @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
+ @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
+ @return 0 on success, HTTP error (<0) on failure
+ */
+ HTTPResult put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
+
+ /** Execute a DELETE request on the URL
+ Blocks until completion
+ @param url : url on which to execute the request
+ @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
+ @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
+ @return 0 on success, HTTP error (<0) on failure
+ */
+ HTTPResult del(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
+
+ /** Get last request's HTTP response code
+ @return The HTTP response code of the last request
+ */
+ int getHTTPResponseCode();
+
+private:
+ enum HTTP_METH
+ {
+ HTTP_GET,
+ HTTP_POST,
+ HTTP_PUT,
+ HTTP_DELETE,
+ HTTP_HEAD
+ };
+
+ HTTPResult connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout); //Execute request
+ HTTPResult recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen); //0 on success, err code on failure
+ HTTPResult send(char* buf, size_t len = 0); //0 on success, err code on failure
+ HTTPResult parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen); //Parse URL
+
+ //Parameters
+ TCPSocketConnection m_sock;
+
+ int m_timeout;
+
+ const char* m_basicAuthUser;
+ const char* m_basicAuthPassword;
+ int m_httpResponseCode;
+
+};
+
+//Including data containers here for more convenience
+#include "data/HTTPText.h"
+#include "data/HTTPMap.h"
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/IHTTPData.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,105 @@
+/* IHTTPData.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef IHTTPDATA_H
+#define IHTTPDATA_H
+
+#include <cstring>
+
+using std::size_t;
+
+class IHTTPData
+{
+ protected:
+ /** Get a specific header
+ *
+ */
+ virtual bool getHeader(char* header, size_t maxHeaderLen) { return false; }
+};
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataOut : public IHTTPData
+{
+protected:
+ friend class HTTPClient;
+
+ /** Reset stream to its beginning
+ * Called by the HTTPClient on each new request
+ */
+ virtual void readReset() = 0;
+
+ /** Read a piece of data to be transmitted
+ * @param buf Pointer to the buffer on which to copy the data
+ * @param len Length of the buffer
+ * @param pReadLen Pointer to the variable on which the actual copied data length will be stored
+ */
+ virtual int read(char* buf, size_t len, size_t* pReadLen) = 0;
+
+ /** Get MIME type
+ * @param type Internet media type from Content-Type header
+ */
+ virtual int getDataType(char* type, size_t maxTypeLen) = 0; //Internet media type for Content-Type header
+
+ /** Determine whether the HTTP client should chunk the data
+ * Used for Transfer-Encoding header
+ */
+ virtual bool getIsChunked() = 0;
+
+ /** If the data is not chunked, get its size
+ * Used for Content-Length header
+ */
+ virtual size_t getDataLen() = 0;
+
+};
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataIn : public IHTTPData
+{
+protected:
+ friend class HTTPClient;
+
+ /** Reset stream to its beginning
+ * Called by the HTTPClient on each new request
+ */
+ virtual void writeReset() = 0;
+
+ /** Write a piece of data transmitted by the server
+ * @param buf Pointer to the buffer from which to copy the data
+ * @param len Length of the buffer
+ */
+ virtual int write(const char* buf, size_t len) = 0;
+
+ /** Set MIME type
+ * @param type Internet media type from Content-Type header
+ */
+ virtual void setDataType(const char* type) = 0;
+
+ /** Determine whether the data is chunked
+ * Recovered from Transfer-Encoding header
+ */
+ virtual void setIsChunked(bool chunked) = 0;
+
+ /** If the data is not chunked, set its size
+ * From Content-Length header
+ */
+ virtual void setDataLen(size_t len) = 0;
+
+};
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/data/HTTPMap.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,200 @@
+/* HTTPMap.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "HTTPMap.h"
+
+#include <cstring>
+
+#include <cctype>
+
+#define OK 0
+
+using std::strncpy;
+
+HTTPMap::HTTPMap() : m_pos(0), m_count(0)
+{
+
+}
+
+void HTTPMap::put(const char* key, const char* value)
+{
+ if(m_count >= HTTPMAP_TABLE_SIZE)
+ {
+ return;
+ }
+ m_keys[m_count] = key;
+ m_values[m_count] = value;
+ m_count++;
+}
+
+void HTTPMap::clear()
+{
+ m_count = 0;
+ m_pos = 0;
+}
+
+/*virtual*/ void HTTPMap::readReset()
+{
+ m_pos = 0;
+}
+
+/*virtual*/ int HTTPMap::read(char* buf, size_t len, size_t* pReadLen)
+{
+ if(m_pos >= m_count)
+ {
+ *pReadLen = 0;
+ m_pos = 0;
+ return OK;
+ }
+
+ //URL encode
+ char* out = buf;
+ const char* in = m_keys[m_pos];
+ if( (m_pos != 0) && (out - buf < len - 1) )
+ {
+ *out='&';
+ out++;
+ }
+
+ while( (*in != '\0') && (out - buf < len - 3) )
+ {
+ if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+ {
+ *out = *in;
+ out++;
+ }
+ else if( *in == ' ' )
+ {
+ *out='+';
+ out++;
+ }
+ else
+ {
+ char hex[] = "0123456789abcdef";
+ *out='%';
+ out++;
+ *out=hex[(*in>>4)&0xf];
+ out++;
+ *out=hex[(*in)&0xf];
+ out++;
+ }
+ in++;
+ }
+
+ if( out - buf < len - 1 )
+ {
+ *out='=';
+ out++;
+ }
+
+ in = m_values[m_pos];
+ while( (*in != '\0') && (out - buf < len - 3) )
+ {
+ if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+ {
+ *out = *in;
+ out++;
+ }
+ else if( *in == ' ' )
+ {
+ *out='+';
+ out++;
+ }
+ else
+ {
+ char hex[] = "0123456789abcdef";
+ *out='%';
+ out++;
+ *out=hex[(*in>>4)&0xf];
+ out++;
+ *out=hex[(*in)&0xf];
+ out++;
+ }
+ in++;
+ }
+
+ *pReadLen = out - buf;
+
+ m_pos++;
+ return OK;
+}
+
+/*virtual*/ int HTTPMap::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
+{
+ strncpy(type, "application/x-www-form-urlencoded", maxTypeLen-1);
+ type[maxTypeLen-1] = '\0';
+ return OK;
+}
+
+/*virtual*/ bool HTTPMap::getIsChunked() //For Transfer-Encoding header
+{
+ return false; ////Data is computed one key/value pair at a time
+}
+
+/*virtual*/ size_t HTTPMap::getDataLen() //For Content-Length header
+{
+ size_t count = 0;
+ for(size_t i = 0; i< m_count; i++)
+ {
+ //URL encode
+ const char* in = m_keys[i];
+ if( i != 0 )
+ {
+ count++;
+ }
+
+ while( (*in != '\0') )
+ {
+ if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+ {
+ count++;
+ }
+ else if( *in == ' ' )
+ {
+ count++;
+ }
+ else
+ {
+ count+=3;
+ }
+ in++;
+ }
+
+ count ++;
+
+ in = m_values[i];
+ while( (*in != '\0') )
+ {
+ if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+ {
+ count++;
+ }
+ else if( *in == ' ' )
+ {
+ count++;
+ }
+ else
+ {
+ count+=3;
+ }
+ in++;
+ }
+ }
+ return count;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/data/HTTPMap.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,71 @@
+/* HTTPMap.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef HTTPMAP_H_
+#define HTTPMAP_H_
+
+#include "../IHTTPData.h"
+
+#define HTTPMAP_TABLE_SIZE 32
+
+/** Map of key/value pairs
+ * Used to transmit POST data using the application/x-www-form-urlencoded encoding
+ */
+class HTTPMap: public IHTTPDataOut
+{
+public:
+ /**
+ Instantiates HTTPMap
+ It supports at most 32 key/values pairs
+ */
+ HTTPMap();
+
+ /** Put Key/Value pair
+ The references to the parameters must remain valid as long as the clear() function is not called
+ @param key The key to use
+ @param value The corresponding value
+ */
+ void put(const char* key, const char* value);
+
+ /** Clear table
+ */
+ void clear();
+
+protected:
+ //IHTTPDataIn
+ virtual void readReset();
+
+ virtual int read(char* buf, size_t len, size_t* pReadLen);
+
+ virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
+
+ virtual bool getIsChunked(); //For Transfer-Encoding header
+
+ virtual size_t getDataLen(); //For Content-Length header
+
+private:
+ const char* m_keys[HTTPMAP_TABLE_SIZE];
+ const char* m_values[HTTPMAP_TABLE_SIZE];
+
+ size_t m_pos;
+ size_t m_count;
+};
+
+#endif /* HTTPMAP_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/data/HTTPText.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,108 @@
+/* HTTPText.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "HTTPText.h"
+
+#include <cstring>
+
+#define OK 0
+
+using std::memcpy;
+using std::strncpy;
+using std::strlen;
+
+#define MIN(x,y) (((x)<(y))?(x):(y))
+
+HTTPText::HTTPText(char* str) : m_str(str), m_pos(0)
+{
+ m_size = strlen(str) + 1;
+}
+
+HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0)
+{
+
+}
+
+//IHTTPDataIn
+/*virtual*/ void HTTPText::readReset()
+{
+ m_pos = 0;
+}
+
+/*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen)
+{
+ *pReadLen = MIN(len, m_size - 1 - m_pos);
+ memcpy(buf, m_str + m_pos, *pReadLen);
+ m_pos += *pReadLen;
+ return OK;
+}
+
+/*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
+{
+#if 1
+ strncpy(type, "application/json", maxTypeLen-1);
+#else
+ strncpy(type, "text/plain", maxTypeLen-1);
+#endif
+ type[maxTypeLen-1] = '\0';
+ return OK;
+}
+
+/*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header
+{
+ return false;
+}
+
+/*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header
+{
+ return m_size - 1;
+}
+
+//IHTTPDataOut
+/*virtual*/ void HTTPText::writeReset()
+{
+ m_pos = 0;
+}
+
+/*virtual*/ int HTTPText::write(const char* buf, size_t len)
+{
+ size_t writeLen = MIN(len, m_size - 1 - m_pos);
+ memcpy(m_str + m_pos, buf, writeLen);
+ m_pos += writeLen;
+ m_str[m_pos] = '\0';
+ return OK;
+}
+
+/*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header
+{
+
+}
+
+/*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header
+{
+
+}
+
+/*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
+{
+
+}
+
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient/data/HTTPText.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,72 @@
+/* HTTPText.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef HTTPTEXT_H_
+#define HTTPTEXT_H_
+
+#include "../IHTTPData.h"
+
+/** A data endpoint to store text
+*/
+class HTTPText : public IHTTPDataIn, public IHTTPDataOut
+{
+public:
+ /** Create an HTTPText instance for output
+ * @param str String to be transmitted
+ */
+ HTTPText(char* str);
+
+ /** Create an HTTPText instance for input
+ * @param str Buffer to store the incoming string
+ * @param size Size of the buffer
+ */
+ HTTPText(char* str, size_t size);
+
+protected:
+ //IHTTPDataIn
+ virtual void readReset();
+
+ virtual int read(char* buf, size_t len, size_t* pReadLen);
+
+ virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
+
+ virtual bool getIsChunked(); //For Transfer-Encoding header
+
+ virtual size_t getDataLen(); //For Content-Length header
+
+ //IHTTPDataOut
+ virtual void writeReset();
+
+ virtual int write(const char* buf, size_t len);
+
+ virtual void setDataType(const char* type); //Internet media type from Content-Type header
+
+ virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
+
+ virtual void setDataLen(size_t len); //From Content-Length header, or if the transfer is chunked, next chunk length
+
+private:
+ char* m_str;
+ size_t m_size;
+
+ size_t m_pos;
+};
+
+#endif /* HTTPTEXT_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerialSendOnry.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,36 @@
+#include "SoftSerialSendOnry.h"
+
+SoftSerialSendOnry::SoftSerialSendOnry(PinName TX, const char* name) {
+ tx_en = false;
+ if (TX != NC) {
+ tx = new DigitalOut(TX);
+ tx_en = true;
+ tx->write(1);
+ tx_bit = -1;
+ txticker.attach(this, &SoftSerialSendOnry::tx_handler);
+ }
+
+ baud(9600);
+ format();
+}
+
+SoftSerialSendOnry::~SoftSerialSendOnry() {
+ if (tx_en)
+ delete(tx);
+}
+
+void SoftSerialSendOnry::baud(int baudrate) {
+ bit_period = 1000000 / baudrate;
+}
+
+void SoftSerialSendOnry::format(int bits, Parity parity, int stop_bits) {
+ _bits = bits;
+ _parity = parity;
+ _stop_bits = stop_bits;
+ _total_bits = 1 + _bits + _stop_bits + (bool)_parity;
+}
+
+int SoftSerialSendOnry::_getc()
+{
+ return(0);
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerialSendOnry.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,105 @@
+#ifndef SOFTSERIAL_SEND_ONRY_H
+#define SOFTSERIAL_SEND_ONRY_H
+
+#include "mbed.h"
+#include "SoftSerial_Ticker.h"
+/** A software serial implementation
+ *
+ */
+class SoftSerialSendOnry: public Stream {
+
+public:
+ /**
+ * Constructor
+ *
+ * @param TX Name of the TX pin, NC for not connected
+ * @param name Name of the connection
+ */
+ SoftSerialSendOnry(PinName TX, const char* name = NULL);
+ virtual ~SoftSerialSendOnry();
+
+ /** Set the baud rate of the serial port
+ *
+ * @param baudrate The baudrate of the serial port (default = 9600).
+ */
+ void baud(int baudrate);
+
+ enum Parity {
+ None = 0,
+ Odd,
+ Even,
+ Forced1,
+ Forced0
+ };
+
+ enum IrqType {
+ RxIrq = 0,
+ TxIrq
+ };
+
+ /** Set the transmission format used by the serial port
+ *
+ * @param bits The number of bits in a word (default = 8)
+ * @param parity The parity used (SerialBase::None, SerialBase::Odd, SerialBase::Even, SerialBase::Forced1, SerialBase::Forced0; default = SerialBase::None)
+ * @param stop The number of stop bits (default = 1)
+ */
+ void format(int bits=8, Parity parity=SoftSerialSendOnry::None, int stop_bits=1);
+
+ /** Determine if there is space available to write a character
+ *
+ * @returns
+ * 1 if there is space to write a character,
+ * 0 otherwise
+ */
+ int writeable();
+
+ /** Attach a function to call whenever a serial interrupt is generated
+ *
+ * @param fptr A pointer to a void function, or 0 to set as none
+ * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
+ */
+ void attach(void (*fptr)(void), IrqType type=RxIrq) {
+ fpointer[type].attach(fptr);
+ }
+
+ /** Attach a member function to call whenever a serial interrupt is generated
+ *
+ * @param tptr pointer to the object to call the member function on
+ * @param mptr pointer to the member function to be called
+ * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
+ */
+ template<typename T>
+ void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) {
+ fpointer[type].attach(tptr, mptr);
+ }
+
+ /** Generate a break condition on the serial line
+ */
+ void send_break();
+
+protected:
+ DigitalOut *tx;
+
+ bool tx_en;
+ int bit_period;
+ int _bits, _stop_bits, _total_bits;
+ Parity _parity;
+
+ FunctionPointer fpointer[2];
+
+ //tx
+ void tx_handler(void);
+ void prepare_tx(int c);
+ FlexTicker txticker;
+ int _char;
+ volatile int tx_bit;
+
+
+
+ virtual int _getc();
+ virtual int _putc(int c);
+};
+
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerialSendOnry_tx.cpp Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,80 @@
+#include "SoftSerialSendOnry.h"
+
+int SoftSerialSendOnry::_putc(int c)
+{
+ while(!writeable());
+ prepare_tx(c);
+ tx_bit = 0;
+ txticker.prime();
+ tx_handler();
+ return 0;
+}
+
+void SoftSerialSendOnry::send_break(void) {
+ while(!writeable());
+ tx_bit = 0; //Just to make sure it appears as non-writable to other threads/IRQs
+ tx->write(0);
+ wait_us((bit_period * _total_bits * 3) / 2);
+ tx->write(1);
+ tx_bit = -1;
+}
+
+int SoftSerialSendOnry::writeable(void)
+{
+ if (!tx_en)
+ return false;
+ if (tx_bit == -1)
+ return true;
+ return false;
+}
+
+void SoftSerialSendOnry::tx_handler(void)
+{
+ if (tx_bit == _total_bits) {
+ tx_bit = -1;
+ fpointer[TxIrq].call();
+ return;
+ }
+
+ //Flip output
+ int cur_out = tx->read();
+ tx->write(!cur_out);
+
+ //Calculate when to do it again
+ int count = bit_period;
+ tx_bit++;
+ while(((_char >> tx_bit) & 0x01) == !cur_out) {
+ count+=bit_period;
+ tx_bit++;
+ }
+
+ txticker.setNext(count);
+}
+
+void SoftSerialSendOnry::prepare_tx(int c)
+{
+ _char = c << 1;
+
+ bool parity;
+ switch (_parity) {
+ case Forced1:
+ _char |= 1 << (_bits + 1);
+ case Even:
+ parity = false;
+ for (int i = 0; i<_bits; i++) {
+ if (((_char >> i) & 0x01) == 1)
+ parity = !parity;
+ }
+ _char |= parity << (_bits + 1);
+ case Odd:
+ parity = true;
+ for (int i = 0; i<_bits; i++) {
+ if (((_char >> i) & 0x01) == 1)
+ parity = !parity;
+ }
+ _char |= parity << (_bits + 1);
+ }
+
+ _char |= 0xFFFF << (1 + _bits + (bool)_parity);
+ _char &= ~(1<<_total_bits);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerial_Ticker.h Sun Nov 15 13:36:44 2015 +0000
@@ -0,0 +1,38 @@
+//A modified version of the regular ticker/timeout libraries to allow us to do timeout without losing accuracy
+
+#ifndef FLEXTICKER_H
+#define FLEXTICKER_H
+
+#include "mbed.h"
+
+class FlexTicker: public TimerEvent {
+ public:
+ template<typename T>
+ void attach(T* tptr, void (T::*mptr)(void)) {
+ _function.attach(tptr, mptr);
+ }
+
+ /** Detach the function
+ */
+ void detach() {
+ remove();
+ }
+
+ void setNext(int delay) {
+ insert(event.timestamp + delay);
+ }
+
+ void prime(void) {
+ event.timestamp = us_ticker_read();
+ }
+
+protected:
+ virtual void handler() {
+ _function.call();
+ }
+
+ unsigned int _delay;
+ FunctionPointer _function;
+};
+
+#endif
\ No newline at end of file
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Repository details
| Type: | Library |
|---|---|
| Created: | 15 Nov 2015 |
| Imports: | 40 |
| Forks: | 0 |
| Commits: | 1 |
| Dependents: | 8 |
| Dependencies: | 0 |
| Followers: | 2 |
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