113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
#include <Arduino.h>
|
|
#include <SoftwareSerial.h>
|
|
#include <ESP8266WiFi.h>
|
|
|
|
#define SERIAL2_TX_D6 12
|
|
#define SERIAL2_RX_D7 13
|
|
#define SERIAL_DELAY 200
|
|
#define DEBUG_D1 5
|
|
#define ONBOARD_LED 16
|
|
#define ERROR_BLINK_DELAY 200
|
|
|
|
const char* ssid = "gutmetmetihmseindings";
|
|
const char* wifipassword = "321meins";
|
|
const uint16_t serverport = 666;
|
|
IPAddress local_IP(192,168,0,1);
|
|
IPAddress gateway(0,0,0,0);
|
|
IPAddress subnet(255,255,255,0);
|
|
WiFiServer server(serverport);
|
|
WiFiClient client;
|
|
|
|
SoftwareSerial myPort;
|
|
|
|
bool debugMode = true; // false;
|
|
bool okSIM = true;
|
|
bool ledOn = false;
|
|
|
|
void determineDebugMode() {
|
|
pinMode(DEBUG_D1, INPUT_PULLUP);
|
|
pinMode(ONBOARD_LED, OUTPUT);
|
|
digitalWrite(ONBOARD_LED, LOW);
|
|
delay(100);
|
|
if (digitalRead(DEBUG_D1) == LOW)
|
|
debugMode = true;
|
|
}
|
|
|
|
void setupAP() {
|
|
if (debugMode) {
|
|
WiFi.softAPConfig(local_IP, gateway, subnet);
|
|
WiFi.softAP(ssid, wifipassword);
|
|
}
|
|
}
|
|
|
|
void setupSoftSerial() {
|
|
// SIM 800L comm
|
|
myPort.begin(9600, SWSERIAL_8N1, SERIAL2_RX_D7, SERIAL2_TX_D6, false);
|
|
if (!myPort)
|
|
while (true)
|
|
delay(1000);
|
|
}
|
|
|
|
void setupDebugServer() {
|
|
if (debugMode) {
|
|
server.begin();
|
|
do
|
|
client = server.available();
|
|
while (!client);
|
|
}
|
|
}
|
|
|
|
String sendCmd(String cmd) {
|
|
myPort.println(cmd);
|
|
delay(SERIAL_DELAY);
|
|
return myPort.readString();
|
|
}
|
|
|
|
bool sendCmdAndExpect(String cmd, String expected) {
|
|
String response = sendCmd(cmd);
|
|
if (expected != NULL && expected != "")
|
|
return response.indexOf(expected) > -1;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
void checkSIMModule() {
|
|
if (!debugMode) {
|
|
okSIM &= sendCmdAndExpect("ATI", "SIM800");
|
|
okSIM &= sendCmdAndExpect("AT+CREG?", "+CREG: 0,1");
|
|
String resp = sendCmd("AT+CSQ");
|
|
int first = resp.indexOf(":");
|
|
int last = resp.indexOf(",");
|
|
if (first > -1 && last > -1 && (last-1) > first) {
|
|
String tmp = resp.substring(first+1, last);
|
|
tmp.trim();
|
|
int val = tmp.toInt();
|
|
okSIM &= (val > 10);
|
|
}
|
|
}
|
|
}
|
|
|
|
void setup() {
|
|
determineDebugMode();
|
|
setupAP();
|
|
setupSoftSerial();
|
|
setupDebugServer();
|
|
checkSIMModule();
|
|
}
|
|
|
|
void loop() {
|
|
if (debugMode) {
|
|
while (client.available() == 0) {}
|
|
String cmd = client.readString();
|
|
cmd.trim();
|
|
myPort.println(cmd);
|
|
delay(333);
|
|
client.println(myPort.readString());
|
|
} else if (!okSIM) {
|
|
ledOn = !ledOn;
|
|
digitalWrite(ONBOARD_LED, ledOn);
|
|
delay(ERROR_BLINK_DELAY);
|
|
} else {
|
|
|
|
}
|
|
} |