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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); | |
| } | |
| } |
Author
But have you successfully execute sms in your waveshare module?
From memory this was for sending messages (i.e. AT Commands) over serial to the AT chip (whilst I was trying to establish network access) - not sending text messages over SMS. The example function names can be slightly misleading.
Some examples out there that might help:
Using TinyGSM library to send SMS (don't think it supports receiving SMS): https://github.com/search?q=repo%3Avshymanskyy%2FTinyGSM+sendsms&type=issues
This might also be helpful: https://github.com/vshymanskyy/TinyGSM/blob/master/examples/AllFunctions/AllFunctions.ino
If instead of using a library, you want to use AT commands directly, the AT Command Manual (e.g. https://files.waveshare.com/wiki/ESP32-S3-SIM7670G-4G/SIM767XX_Series_AT_Command_Manual_V1.01.pdf) might be helpful.
I think the command you're after is AT+CMGS, but they're a pain to work with.
Thanks boss for the advice and guidance. I appreciate it a lot! but
didnt work at those libraries need to reverse engineer those codes to make
it functional , its really pain to work with AT commands my first time to
deal with.
…On Tue, Mar 11, 2025 at 10:03 AM Leigh Hunt ***@***.***> wrote:
***@***.**** commented on this gist.
------------------------------
But have you successfully execute sms in your waveshare module?
From memory this was for sending messages (i.e. AT Commands) over serial
to the AT chip (whilst I was trying to establish network access) - not
sending text messages over SMS. The example function names can be slightly
misleading.
Some examples out there that might help:
Using TinyGSM library to send SMS (don't think it supports receiving SMS):
https://github.com/search?q=repo%3Avshymanskyy%2FTinyGSM+sendsms&type=issues
This might also be helpful:
https://github.com/vshymanskyy/TinyGSM/blob/master/examples/AllFunctions/AllFunctions.ino
If instead of using a library, you want to use AT commands directly, the
AT Command Manual (e.g.
https://files.waveshare.com/wiki/ESP32-S3-SIM7670G-4G/SIM767XX_Series_AT_Command_Manual_V1.01.pdf)
might be helpful.
I *think* the command you're after is AT+CMGS, but they're a pain to work
with.
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But have you successfully execute sms in your waveshare module?