ChuckBell
commented
5 years ago Hi,
Yep. The IP address of the server is incorrect. You need the external IP address of the server where MySQL is running. 127.0.0.1 is the loopback address. Won’t work. :)
Dr. Bell
On Thu, Jul 18, 2019 at 18:26 Zane1996 notifications@github.com wrote:
Hi, I am using an ESP32 so I had to modify the MySQL_Packet_h file to allow use of the MySQL connector, however the serial monitor gets stuck on "Connecting to SQL..". Have any idea as to what would cause this? I'll post the code below.
[code]
include
include
include
IPAddress server_addr(127,0,0,1); // IP of the MySQL server here char user[] = "root"; // MySQL user login username char password[] = ""; // MySQL user login password
// Sample query char INSERT_SQL[] = "INSERT INTO data (sensor,location,value1,value2,value3) VALUES ('Thermocouple', 'office', 20, 20, 20)";
// WiFi card example char ssid[] = ""; // your SSID char pass[] = ""; // your SSID Password
WiFiClient client; // Use this for WiFi instead of EthernetClient MySQL_Connection conn(&client); MySQL_Cursor* cursor;
void setup() { Serial.begin(115200); while (!Serial); // wait for serial port to connect. Needed for Leonardo only
// Begin WiFi section Serial.printf("\nConnecting to %s", ssid); WiFi.begin(ssid, pass); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); }
// print out info about the connection: Serial.println("\nConnected to network"); Serial.print("My IP address is: "); Serial.println(WiFi.localIP());
Serial.print("Connecting to SQL... "); if (conn.connect(server_addr, 3306, user, password)) Serial.println("OK."); else Serial.println("FAILED.");
// create MySQL cursor object cursor = new MySQL_Cursor(&conn); }
void loop() { if (conn.connected()) cursor->execute(INSERT_SQL);
delay(5000); } [/code]
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Zane1996
michaelradhuber
Hi, I am using an ESP32 so I had to modify the MySQL_Packet_h file to allow use of the MySQL connector, however the serial monitor gets stuck on "Connecting to SQL..". Have any idea as to what would cause this? I'll post the code below.
[code]
include
include
include
IPAddress server_addr(127,0,0,1); // IP of the MySQL server here char user[] = "root"; // MySQL user login username char password[] = ""; // MySQL user login password
// Sample query char INSERT_SQL[] = "INSERT INTO data (sensor,location,value1,value2,value3) VALUES ('Thermocouple', 'office', 20, 20, 20)";
// WiFi card example char ssid[] = ""; // your SSID char pass[] = ""; // your SSID Password
WiFiClient client; // Use this for WiFi instead of EthernetClient
MySQL_Connection conn(&client); MySQL_Cursor* cursor;
void setup() { Serial.begin(115200); while (!Serial); // wait for serial port to connect. Needed for Leonardo only
// Begin WiFi section Serial.printf("\nConnecting to %s", ssid); WiFi.begin(ssid, pass); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); }
// print out info about the connection: Serial.println("\nConnected to network"); Serial.print("My IP address is: "); Serial.println(WiFi.localIP());
Serial.print("Connecting to SQL... "); if (conn.connect(server_addr, 3306, user, password)) Serial.println("OK."); else Serial.println("FAILED.");
// create MySQL cursor object cursor = new MySQL_Cursor(&conn); }
void loop() { if (conn.connected()) cursor->execute(INSERT_SQL);
delay(5000); } [/code]