本文整理汇总了C++中WiFiClient::printf方法的典型用法代码示例。如果您正苦于以下问题：C++ WiFiClient::printf方法的具体用法？C++ WiFiClient::printf怎么用？C++ WiFiClient::printf使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WiFiClient的用法示例。
在下文中一共展示了WiFiClient::printf方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: _sendNextGpsData
void GPSUploader::_sendNextGpsData() {
int startTimeUploading = millis();
if(!this->_initialized) return;
Serial.printf("Upload: Pending messages: %d\n", this->_sdQueue.getCount());
Serial.println("Upload: preparation");
this->_sdQueue.flush();//avoid parallel flush() during server connection (too much mem)
if(this->_sdQueue.getCount()==0) {
Serial.println("Upload: no data to send");
return;
}
//connect to server and send various POST on the same connection
WiFiClient client;
// Serial.printf("Host=%s:%d\n", this->_configNode.getUploadServerHost().c_str(), this->_configNode.getUploadServerPort());
_watchdog.ping();
int startTime = millis();
if (!client.connect(this->_uploadServerHost.get(), this->_uploadServerPort.get())) {
this->_totalUploadCountError++;
this->_totalUploadTimeError+=(millis()-startTime);
Serial.println("Upload: server connection failed");
_watchdog.ping();
return;
}
_watchdog.ping();
//send
//If this takes more than 10s, abort and loop again so that Wifi and MQTT won't lose connection
for(int i=0; i<10 && ((millis()-startTimeUploading)<10000); i++) {
// int len = 0;
int sdRecordsCount = 0;
int sdRecordsOK = 0;
int sdRecordsError = 0;
strcpy(this->_gpsUploadBuffer, "");
// Serial.println("Upload: Preparing chunk");
while(this->_sdQueue.peek(this->_gpsRecord, sdRecordsCount++) && strlen(this->_gpsUploadBuffer) < 1150) {
//fill post with ~1200 bytes
if(GPSUtils::validateNmeaChecksum(this->_gpsRecord)) {
strcat(this->_gpsUploadBuffer, this->_gpsRecord);
strcat(this->_gpsUploadBuffer, "\n");
sdRecordsOK++;
} else {
Serial.printf("Upload: crc error %s\n", this->_gpsRecord);
sdRecordsError++;
}
yield();
}
if(strlen(this->_gpsUploadBuffer)>0) {
Serial.printf("Upload: records=%d err=%d\n", sdRecordsOK, sdRecordsError);
Serial.println("POST /" + String(this->_uploadServerUri.c_str()));
int startTime = millis();
client.printf("POST /%s HTTP/1.1\r\nHost: %s\r\nContent-Length: %d\r\nContent-Type: text/plain\r\n\r\n",
this->_uploadServerUri.c_str(),
"api.devices.stutzthings.com",
// this->_uploadServerHost.get(),
strlen(this->_gpsUploadBuffer)
);
client.print(this->_gpsUploadBuffer);
_watchdog.ping();
// Serial.println("SENT");
//wait for response available
int timeout = millis();
while (client.available() < 15) {
if (millis() - timeout > 5000) {
Serial.println("Upload: server response timeout");
client.stop();
this->_totalUploadBytesError += strlen(this->_gpsUploadBuffer);
this->_totalUploadCountError++;
this->_totalUploadTimeError+=(millis()-startTime);
return;
}
delay(50);
_watchdog.ping();
}
// Serial.println("RECEIVED RESPONSE");
//process response
bool success = false;
if(client.readStringUntil(GCHAR_SPACE).length()>0) {
String code = client.readStringUntil(GCHAR_SPACE);
_watchdog.ping();
if(code == "201") {
Serial.println("Upload: 201 Created");
success = true;
this->_totalUploadBytesSuccess += strlen(this->_gpsUploadBuffer);
this->_totalUploadCountSuccess++;
this->_totalUploadTimeSuccess+=(millis()-startTime);
this->_totalUploadRecordsSuccess+=sdRecordsOK;
this->_totalUploadRecordCRCError+=sdRecordsError;
this->_sdQueue.removeElements(sdRecordsCount);
// Serial.println("Upload: sent records removed from disk");
} else {
this->_totalUploadBytesError += strlen(this->_gpsUploadBuffer);
this->_totalUploadCountError++;
this->_totalUploadTimeError+=(millis()-startTime);
Serial.println("Upload: server error " + String(code));
//.........这里部分代码省略.........