Lukas Formanek / Mbed 2 deprecated LoRa_Access_Point

LoRa Access Point 1.5.2018

Dependencies:   mbed ds3231 SX1276Lib_LoRa_Access_Point

ESP8266.cpp@5:19b34c4d27a1, 2018-04-30 (annotated)

Committer:
lukas_formanek
Date:
Mon Apr 30 22:41:48 2018 +0000
Revision:
5:19b34c4d27a1
Parent:
4:e20eb5efd859
Child:
8:5d99fbf255d6
1.5.2018

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lukas_formanek 0:ea088908ad26 1 #include "ESP8266.h"
lukas_formanek 0:ea088908ad26 2
lukas_formanek 0:ea088908ad26 3 const char* SSID = "doma2";
lukas_formanek 0:ea088908ad26 4 const char* PSWD = "0917957359";
lukas_formanek 0:ea088908ad26 5 const char* OK_MESSAGE = "OK\r\n";
lukas_formanek 0:ea088908ad26 6 const char* ERROR_MESSAGE = "ERROR\r\n";
lukas_formanek 0:ea088908ad26 7 const char* GOT_IP_MESSAGE = "WIFI GOT IP\r\n";
lukas_formanek 0:ea088908ad26 8 const char* CAN_SEND_MESSAGE = ">";
lukas_formanek 0:ea088908ad26 9 const char* SEND_OK_MESSAGE = "SEND OK\r\n";
lukas_formanek 0:ea088908ad26 10 const char* WIFI_ALIVE_RESPONSE = "~~LoRa Gateway~~\r\n";
lukas_formanek 0:ea088908ad26 11 const char* DELIMITER=":";
lukas_formanek 0:ea088908ad26 12
lukas_formanek 0:ea088908ad26 13
lukas_formanek 5:19b34c4d27a1 14 ESP8266 wifi(WIFI_TX, WIFI_RX, WIFI_RST);
lukas_formanek 0:ea088908ad26 15
lukas_formanek 5:19b34c4d27a1 16 ESP8266::ESP8266(PinName tx, PinName rx, PinName reset)
lukas_formanek 0:ea088908ad26 17 : wifiUart(tx,rx,BAUDRATE),
lukas_formanek 0:ea088908ad26 18 wifiReset(reset)
lukas_formanek 0:ea088908ad26 19 {
lukas_formanek 0:ea088908ad26 20 ClearBuffer();
lukas_formanek 0:ea088908ad26 21 okResponse = false;
lukas_formanek 0:ea088908ad26 22 receiveResponse = false;
lukas_formanek 0:ea088908ad26 23 setServerIp = false;
lukas_formanek 0:ea088908ad26 24 setWifiSettings = false;
lukas_formanek 0:ea088908ad26 25 };
lukas_formanek 0:ea088908ad26 26
lukas_formanek 2:0499e1d037a5 27
lukas_formanek 0:ea088908ad26 28 ESP8266::ESP8266(void)
lukas_formanek 2:0499e1d037a5 29 : wifiUart(WIFI_TX,WIFI_RX,BAUDRATE),
lukas_formanek 0:ea088908ad26 30 wifiReset(D7)
lukas_formanek 0:ea088908ad26 31 {
lukas_formanek 0:ea088908ad26 32 ClearBuffer();
lukas_formanek 0:ea088908ad26 33 okResponse = false;
lukas_formanek 0:ea088908ad26 34 receiveResponse = false;
lukas_formanek 0:ea088908ad26 35 setServerIp = false;
lukas_formanek 0:ea088908ad26 36 setWifiSettings = false;
lukas_formanek 0:ea088908ad26 37 };
lukas_formanek 2:0499e1d037a5 38
lukas_formanek 0:ea088908ad26 39
lukas_formanek 0:ea088908ad26 40 void ESP8266::Init()
lukas_formanek 0:ea088908ad26 41 {
lukas_formanek 0:ea088908ad26 42 wifiReset = 0;
lukas_formanek 0:ea088908ad26 43 wait(0.1);
lukas_formanek 0:ea088908ad26 44 wifiReset = 1;
lukas_formanek 2:0499e1d037a5 45 wait(0.1);
lukas_formanek 0:ea088908ad26 46 wifiUart.attach(callback(this,&ESP8266::RxWifiInterrupt), Serial::RxIrq);
lukas_formanek 2:0499e1d037a5 47 ClearBuffer();
lukas_formanek 0:ea088908ad26 48 };
lukas_formanek 0:ea088908ad26 49
lukas_formanek 0:ea088908ad26 50 void ESP8266::RxWifiInterrupt()
lukas_formanek 0:ea088908ad26 51 {
lukas_formanek 5:19b34c4d27a1 52 while (wifiUart.readable()) {
lukas_formanek 0:ea088908ad26 53 char c = wifiUart.getc();
lukas_formanek 0:ea088908ad26 54 // bt.putc(c);
lukas_formanek 0:ea088908ad26 55 buffer[pt++] = c;
lukas_formanek 0:ea088908ad26 56 if(pt >= BUFFER_SIZE - 1)
lukas_formanek 0:ea088908ad26 57 ClearBuffer();
lukas_formanek 0:ea088908ad26 58
lukas_formanek 5:19b34c4d27a1 59 if(c =='\n') {
lukas_formanek 0:ea088908ad26 60 if( strncmp( ( const char* )buffer, response, strlen(response) ) == 0 )
lukas_formanek 0:ea088908ad26 61 receiveResponse = true;
lukas_formanek 5:19b34c4d27a1 62
lukas_formanek 0:ea088908ad26 63 if( strncmp( ( const char* )buffer, "~~~", 3 ) == 0 )
lukas_formanek 0:ea088908ad26 64 wifiUart.printf("%s", WIFI_ALIVE_RESPONSE);
lukas_formanek 4:e20eb5efd859 65
lukas_formanek 4:e20eb5efd859 66
lukas_formanek 5:19b34c4d27a1 67 if (strstr(buffer, "0|") != NULL)
lukas_formanek 5:19b34c4d27a1 68 rfm.SendMessage(buffer);
lukas_formanek 5:19b34c4d27a1 69
lukas_formanek 5:19b34c4d27a1 70 /*
lukas_formanek 5:19b34c4d27a1 71 if( strncmp( ( const char* )_responseBuf, "+IPD,", 5 ) == 0 )
lukas_formanek 5:19b34c4d27a1 72 {
lukas_formanek 5:19b34c4d27a1 73 char * pch;
lukas_formanek 5:19b34c4d27a1 74 pch = strtok (_responseBuf,DELIMITER);
lukas_formanek 5:19b34c4d27a1 75 uint8_t i = 0 ;
lukas_formanek 5:19b34c4d27a1 76 while (pch != NULL) {
lukas_formanek 5:19b34c4d27a1 77 if(i == 1)
lukas_formanek 5:19b34c4d27a1 78 bt.printf("%s",pch);
lukas_formanek 5:19b34c4d27a1 79 pch = strtok (NULL, DELIMITER);
lukas_formanek 5:19b34c4d27a1 80 i++;
lukas_formanek 5:19b34c4d27a1 81 }
lukas_formanek 5:19b34c4d27a1 82 }
lukas_formanek 5:19b34c4d27a1 83 */
lukas_formanek 5:19b34c4d27a1 84 /*
lukas_formanek 5:19b34c4d27a1 85 if( strncmp( ( const char* )_responseBuf, response, 4 ) == 0 )
lukas_formanek 5:19b34c4d27a1 86 {
lukas_formanek 5:19b34c4d27a1 87 OkResponse = true;
lukas_formanek 5:19b34c4d27a1 88 // bt.printf("OK received !\r\n");
lukas_formanek 5:19b34c4d27a1 89 }
lukas_formanek 5:19b34c4d27a1 90 */
lukas_formanek 5:19b34c4d27a1 91 /*
lukas_formanek 5:19b34c4d27a1 92 if( strncmp( ( const char* )_responseBuf, ERROR_MESSAGE, 7 ) == 0 )
lukas_formanek 5:19b34c4d27a1 93 {
lukas_formanek 5:19b34c4d27a1 94 // bt.printf("ERROR received !\r\n");
lukas_formanek 5:19b34c4d27a1 95 }
lukas_formanek 5:19b34c4d27a1 96 */
lukas_formanek 0:ea088908ad26 97 ClearBuffer();
lukas_formanek 0:ea088908ad26 98 }
lukas_formanek 0:ea088908ad26 99 }
lukas_formanek 0:ea088908ad26 100 };
lukas_formanek 0:ea088908ad26 101
lukas_formanek 0:ea088908ad26 102 void ESP8266::SendCommand(char* command, char* answer ,int timeoutMs)
lukas_formanek 0:ea088908ad26 103 {
lukas_formanek 0:ea088908ad26 104 receiveResponse = false;
lukas_formanek 0:ea088908ad26 105 response = answer;
lukas_formanek 0:ea088908ad26 106 okResponse = false;
lukas_formanek 0:ea088908ad26 107 responseTimer.reset();
lukas_formanek 0:ea088908ad26 108 wifiUart.printf("%s",command);
lukas_formanek 0:ea088908ad26 109 responseTimer.start();
lukas_formanek 5:19b34c4d27a1 110 while(responseTimer.read_ms() < timeoutMs) {
lukas_formanek 5:19b34c4d27a1 111 if(receiveResponse) {
lukas_formanek 2:0499e1d037a5 112 bt.Send(response);
lukas_formanek 0:ea088908ad26 113 responseTimer.stop();
lukas_formanek 0:ea088908ad26 114 return;
lukas_formanek 0:ea088908ad26 115 }
lukas_formanek 0:ea088908ad26 116 }
lukas_formanek 0:ea088908ad26 117 responseTimer.stop();
lukas_formanek 0:ea088908ad26 118 }
lukas_formanek 0:ea088908ad26 119
lukas_formanek 0:ea088908ad26 120 void ESP8266::SetIpOfServer(char* command)
lukas_formanek 0:ea088908ad26 121 {
lukas_formanek 0:ea088908ad26 122 memcpy(serverIpAddress, command, sizeof(serverIpAddress));
lukas_formanek 5:19b34c4d27a1 123 setServerIp = true;
lukas_formanek 0:ea088908ad26 124 };
lukas_formanek 0:ea088908ad26 125
lukas_formanek 0:ea088908ad26 126 void ESP8266::SetWiFiConnection(char* command)
lukas_formanek 0:ea088908ad26 127 {
lukas_formanek 0:ea088908ad26 128 memcpy(wifiSettings, command, sizeof(wifiSettings));
lukas_formanek 0:ea088908ad26 129 setWifiSettings = true;
lukas_formanek 0:ea088908ad26 130 };
lukas_formanek 0:ea088908ad26 131
lukas_formanek 0:ea088908ad26 132 void ESP8266::SendMessage(char message[])
lukas_formanek 0:ea088908ad26 133 {
lukas_formanek 0:ea088908ad26 134 pc.printf("%s",message);
lukas_formanek 0:ea088908ad26 135 wifiUart.printf("%s",message);
lukas_formanek 5:19b34c4d27a1 136 };
lukas_formanek 0:ea088908ad26 137
lukas_formanek 0:ea088908ad26 138 void ESP8266::CheckSettings()
lukas_formanek 0:ea088908ad26 139 {
lukas_formanek 5:19b34c4d27a1 140 if(setServerIp && setWifiSettings) {
lukas_formanek 0:ea088908ad26 141 SendCommand("+++",(char*)OK_MESSAGE,700);
lukas_formanek 0:ea088908ad26 142 SendCommand("AT\r\n",(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 143 SendCommand("AT+CIPCLOSE\r\n",(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 144 SendCommand(serverIpAddress,(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 145 SendCommand(wifiSettings,(char*)OK_MESSAGE,1500);
lukas_formanek 0:ea088908ad26 146 SendCommand("AT+RST\r\n","ready",1000);
lukas_formanek 0:ea088908ad26 147 setServerIp = false;
lukas_formanek 0:ea088908ad26 148 setWifiSettings = false;
lukas_formanek 0:ea088908ad26 149 }
lukas_formanek 5:19b34c4d27a1 150 if(setServerIp) {
lukas_formanek 0:ea088908ad26 151 SendCommand("+++",(char*)OK_MESSAGE,700);
lukas_formanek 0:ea088908ad26 152 SendCommand("AT\r\n",(char*)OK_MESSAGE,300);
lukas_formanek 0:ea088908ad26 153 SendCommand("AT+CIPCLOSE\r\n",(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 154 SendCommand(serverIpAddress,(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 155 SendCommand("AT+RST\r\n","ready",1000);
lukas_formanek 0:ea088908ad26 156 setServerIp = false;
lukas_formanek 0:ea088908ad26 157 }
lukas_formanek 5:19b34c4d27a1 158 if(setWifiSettings) {
lukas_formanek 0:ea088908ad26 159 SendCommand("+++",(char*)OK_MESSAGE,700);
lukas_formanek 0:ea088908ad26 160 SendCommand("AT\r\n",(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 161 SendCommand("AT+CIPCLOSE\r\n",(char*)OK_MESSAGE,200);
lukas_formanek 0:ea088908ad26 162 SendCommand(wifiSettings,(char*)OK_MESSAGE,1500);
lukas_formanek 0:ea088908ad26 163 SendCommand("AT+RST\r\n","ready",1000);
lukas_formanek 0:ea088908ad26 164 setWifiSettings = false;
lukas_formanek 0:ea088908ad26 165 }
lukas_formanek 5:19b34c4d27a1 166 };
lukas_formanek 0:ea088908ad26 167
lukas_formanek 0:ea088908ad26 168 void ESP8266::ClearBuffer()
lukas_formanek 0:ea088908ad26 169 {
lukas_formanek 0:ea088908ad26 170 memset(buffer, '\0', sizeof(buffer));
lukas_formanek 0:ea088908ad26 171 pt = 0;
lukas_formanek 5:19b34c4d27a1 172 };
lukas_formanek 5:19b34c4d27a1 173
lukas_formanek 5:19b34c4d27a1 174 void ESP8266::ConfirmReceivedAck(uint8_t from)
lukas_formanek 5:19b34c4d27a1 175 {
lukas_formanek 5:19b34c4d27a1 176 wifiUart.printf("ACK|%c\r\n",from);
lukas_formanek 5:19b34c4d27a1 177 };
lukas_formanek 0:ea088908ad26 178
lukas_formanek 0:ea088908ad26 179 void ESP8266::Test()
lukas_formanek 0:ea088908ad26 180 {
lukas_formanek 0:ea088908ad26 181 wifiUart.printf("+++\r\n");
lukas_formanek 0:ea088908ad26 182 wait(0.1);
lukas_formanek 0:ea088908ad26 183 wifiUart.printf("AT\r\n");
lukas_formanek 0:ea088908ad26 184 wait(0.2);
lukas_formanek 0:ea088908ad26 185 wifiUart.printf("AT\r\n");
lukas_formanek 0:ea088908ad26 186 wait(0.2);
lukas_formanek 0:ea088908ad26 187 wifiUart.printf("AT\r\n");
lukas_formanek 0:ea088908ad26 188 printf("ATTTTTTTTTTT");
lukas_formanek 0:ea088908ad26 189 wait(0.2);
lukas_formanek 5:19b34c4d27a1 190 };