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esp8266.cpp
181 lines (163 loc) · 4.09 KB
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esp8266.cpp
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#include "esp8266.h"
ESP8266::ESP8266(SoftwareSerial &uart, uint32_t baud): m_puart(&uart)
{
m_puart->begin(baud);
rx_empty();
}
bool ESP8266::joinAP(String ssid, String pwd)
{
return sATCWJAP(ssid, pwd);
}
bool ESP8266::sATCWJAP(String ssid, String pwd)
{
String data;
rx_empty();
m_puart->print("AT+CWJAP=\"");
m_puart->print(ssid);
m_puart->print("\",\"");
m_puart->print(pwd);
m_puart->println("\"");
data = recvString("OK", "FAIL", 10000);
if (data.indexOf("OK") != -1) {
return true;
}
return false;
}
String ESP8266::recvString(String target, uint32_t timeout)
{
String data;
char a;
unsigned long start = millis();
while (millis() - start < timeout) {
while(m_puart->available() > 0) {
a = m_puart->read();
if(a == '\0') continue;
data += a;
}
if (data.indexOf(target) != -1) {
break;
}
}
return data;
}
String ESP8266::recvString(String target1, String target2, uint32_t timeout)
{
String data;
char a;
unsigned long start = millis();
while (millis() - start < timeout) {
while(m_puart->available() > 0) {
a = m_puart->read();
if(a == '\0') continue;
data += a;
}
if (data.indexOf(target1) != -1) {
break;
} else if (data.indexOf(target2) != -1) {
break;
}
}
return data;
}
void ESP8266::rx_empty(void)
{
while(m_puart->available() > 0) {
m_puart->read();
}
}
String ESP8266::getLocalIP(void)
{
String list;
eATCIFSR(list);
return list;
}
bool ESP8266::eATCIFSR(String &list)
{
rx_empty();
m_puart->println("AT+CIFSR");
return recvFindAndFilter("OK", "\r\r\n", "\r\n\r\nOK", list);
}
bool ESP8266::recvFindAndFilter(String target, String begin, String end, String &data, uint32_t timeout)
{
String data_tmp;
data_tmp = recvString(target, timeout);
if (data_tmp.indexOf(target) != -1) {
int32_t index1 = data_tmp.indexOf(begin);
int32_t index2 = data_tmp.indexOf(end);
if (index1 != -1 && index2 != -1) {
index1 += begin.length();
data = data_tmp.substring(index1, index2);
return true;
}
}
data = "";
return false;
}
bool ESP8266::createTCP(String addr, uint32_t port)
{
return sATCIPSTARTSingle("TCP", addr, port);
}
bool ESP8266::sATCIPSTARTSingle(String type, String addr, uint32_t port)
{
String data;
rx_empty();
m_puart->print("AT+CIPSTART=\"");
m_puart->print(type);
m_puart->print("\",\"");
m_puart->print(addr);
m_puart->print("\",");
m_puart->println(port);
data = recvString("OK", "ERROR", "ALREADY CONNECT", 10000);
if (data.indexOf("OK") != -1 || data.indexOf("ALREADY CONNECT") != -1) {
return true;
}
return false;
}
String ESP8266::recvString(String target1, String target2, String target3, uint32_t timeout)
{
String data;
char a;
unsigned long start = millis();
while (millis() - start < timeout) {
while(m_puart->available() > 0) {
a = m_puart->read();
if(a == '\0') continue;
data += a;
}
if (data.indexOf(target1) != -1) {
break;
} else if (data.indexOf(target2) != -1) {
break;
} else if (data.indexOf(target3) != -1) {
break;
}
}
return data;
}
bool ESP8266::sATCIPSENDSingle(const uint8_t *buffer, uint32_t len)
{
rx_empty();
m_puart->print("AT+CIPSEND=");
m_puart->println(len);
if (recvFind(">", 5000)) {
rx_empty();
for (uint32_t i = 0; i < len; i++) {
m_puart->write(buffer[i]);
}
return recvFind("SEND OK", 10000);
}
return false;
}
bool ESP8266::send(const uint8_t *buffer, uint32_t len)
{
return sATCIPSENDSingle(buffer, len);
}
bool ESP8266::recvFind(String target, uint32_t timeout)
{
String data_tmp;
data_tmp = recvString(target, timeout);
if (data_tmp.indexOf(target) != -1) {
return true;
}
return false;
}