Created
July 15, 2024 03:14
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Support/examples for accessing cellular/LTE on ESP32-S3-SIM7670G-4G
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#include <Arduino.h> | |
static const int RXPin = 17, TXPin = 18; | |
static const uint32_t GPSBaud = 115200; | |
String rev; | |
void SentSerial(const char *p_char) { | |
for (int i = 0; i < strlen(p_char); i++) { | |
Serial1.write(p_char[i]); | |
delay(10); | |
} | |
Serial1.write('\r'); | |
delay(10); | |
Serial1.write('\n'); | |
delay(10); | |
} | |
bool SentMessage(const char *p_char, unsigned long timeout = 2000) { | |
SentSerial(p_char); | |
unsigned long start = millis(); | |
while (millis() - start < timeout) { | |
if (Serial1.available()) { | |
rev = Serial1.readString(); | |
if (rev.indexOf("OK") != -1) { | |
Serial.println("Got OK!"); | |
return true; | |
} | |
} | |
} | |
Serial.println("Timeout!"); | |
return false; | |
} | |
void setup() { | |
Serial.begin(115200); | |
Serial1.begin(GPSBaud, SERIAL_8N1, RXPin, TXPin); | |
while (!SentMessage("AT", 2000)) { | |
delay(1000); | |
} | |
SentMessage("ATD10086;", 2000); | |
SentSerial("ATE1;"); | |
SentSerial("AT+COPS?"); | |
SentSerial("AT+CGDCONT?"); | |
SentSerial("AT+SIMCOMATI"); | |
} | |
void loop() { | |
if (Serial1.available()) { | |
rev = Serial1.readString(); | |
Serial.println(rev); | |
} | |
} |
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