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