I assume that I a am not the first one to ask, but how can I select other fonts? Thanks

#include <HardwareSerial.h>
HardwareSerial Comm(1);

Comm.begin(115200, SERIAL_8N1,TX_pin,RX_pin); // TX RX

Comm.print("AT+IPR=115200\r"); // Set text mode

Last command should return an OK. If not, it could be that you have mixed up TX and RX pins or a power issue.

To read the reply from the module you could use something like this :
while (millis()<wait_until)
{
while (Comm.available())
{
ccc=Comm.read();
//Serial.print(ccc);
if (k<buffer_size-1)
{
Receive_buffer[k]=ccc;
k++;
}
}
Receive_buffer[k]=NULL;
if (strstr(Receive_buffer,StopCharArray)!=NULL)
{
//Serial.println("OK found");
// SIM7600_Error=0;
Receive_buffer[k]=NULL;
return false;
}
}

I have been googling around, no understandable answers found. But I am sure I am not the only one with this interest.
Could anyone explain the binary format of the sound stream used in the echo? And also nice to have : howto proces a mp3 or wav file into the required binary array to be used in the Echo?
Thanks.

@happyuser
A few tips who want to start with this module:
1] Remove PIN code, makes life much easier
2] Download the application notes for this module. Both the complete AT instruction set and the note on HTTP application. This document provides clear instructions how to use HTTP, GET, POST etc
3] I experienced ERROR response on SHCONF command. Googled around, saw numerous hits. It appears that switching off and on power does the trick for me. I did not see a reset AT instruction
4] I got it all working with these instructions :
Serial.println("Begin..");
//pinMode(RXD2, INPUT);
//pinMode(TXD2, OUTPUT);
//showLog("Reset Module...");
//SIM7020
//DTU.Init(&Serial1,36, 26);
//Serial1.begin(115200, SERIAL_8N1, RXD2, TXD2);
//Serial1.begin(115200, SERIAL_8N1, 26, 0);
Serial1.begin(115200, SERIAL_8N1, 0, 26); // SIM7080G

delay(300);
//Serial1.print("ATI\r\n");
//Serial1.println("AT+CSQ\r\n");
//Serial1.println("AT+IPR?\r\n");
Serial1.print("ATZ\r\n");  // Reset to default
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+IPR=115200\r\n");  // Reset to default
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CCLK?\r\n");  // Reset to default
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+SHSSL=1,\"\"\r\n");  // Reset to default
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);



Serial1.print("AT+CFUN=1\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CMGF=1\r\n");  // text mode
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

// Om http te testen

Serial1.print("AT+CFUN=0\r\n");  // Disable RF
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

//Serial1.print("AT+CGDCONT=1,\"IP\",\"internet\",,0,0\r\n");  // 
Serial1.print("AT+CGDCONT=1,\"IP\",\"internet\"\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CFUN=1\r\n");  // Enable RF
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+CGATT?\r\n");  // Check PS Service
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CGNAPN\r\n");  // Query the APN service
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+CNCFGN=0,1,\"internet\",,0,0\r\n");  // Before activation please
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+CNACT=0,1\r\n");  // Activate
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);



Serial1.print("AT+CNACT?\r\n");  // Query the APN service
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);



Serial1.print("AT+SHCPARA\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SHCONF=?\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SHCONF?\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

// Serial1.print("AT+SHCONF="URL","https://api.thingspeak.com/update"\r\n"); // Query the APN service
//Serial1.print("AT+SHCONF="URL","httpbin.org"\r\n"); // Query the APN service
//Serial1.print("AT+SHCONF="URL","http://34.193.132.77"\r\n"); // Query the APN service

//SIM7600_Error=1;
//for (int i=0;i<10;i++)
  // {
      //Serial1.print("AT+SHCONF=\"URL\",\"http://www.google.com\"\r\n");  // Query the APN service
      Serial1.print("AT+SHCONF=\"URL\",\"http://www.httpbin.org\"\r\n");  // Query the APN service

      delay(10);
      Read_Response(5000);
      Serial.println(Receive_buffer);
      delay(2000);
   //   if (SIM7600_Error=0) {break;}
  // }
     


Serial1.print("AT+SHCONF=\"BODYLEN\",1024\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SHCONF=\"HEADERLEN\",350\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);



Serial1.print("AT+SHCONN\r\n");  // Query the APN service
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SHSTATE?\r\n");  // Query the APN service
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SHCHEAD\r\n");  // Query the APN service
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SHAHEAD=\"User-Agent\",\"curl/7.47.0\"\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);    

Serial1.print("AT+SHAHEAD=\"Cache-control\",\"no-cache\"\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500); 

Serial1.print("AT+SHAHEAD=\"Connection\",\"keep-alive\"\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500); 

Serial1.print("AT+SHAHEAD=\"Accept\",\"*/*\"\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500); 


    
Serial1.print("AT+SHREQ=\"/get?user=jack&password=123\",1\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500); 


Serial1.print("AT+SHREAD=0,391\r\n");  // 
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Interesting question. M5Stack provides P2P LoRa example along with their documents. My suggestion is to make a proof of principle what you need. Then try the max achievable distance. Mqtt is another challenge but also many examples on GitHub.

@cepics said in ATOM Lite Display not display in smallHd 503:

SmallHD503 datasheet

I read that you are also struggling with this (5 inch?) display. I am facing the same issues with Waveshare 5inch display. Although I have the very strong feeling that the software on the M5AtomDisplay as shipped is different from the GitHub factory test. Have you been able to get things working?

Okay, Had a lot of <bad language> getting sending email working.
Than I realized that powering the module straight from the M5StickC appeared to causes glitches. I have placed a capacitor on top of the 5Volt to the module and now I am able to send emails also. For those that are interested, here is the code (with a lot of overhead no doubt, that works for me ):
Serial1.begin(115200, SERIAL_8N1, 0, 26); // SIM7080G

delay(300);
//Serial1.print("ATI\r\n");
//Serial1.println("AT+CSQ\r\n");
//Serial1.println("AT+IPR?\r\n");
Serial1.print("ATZ\r\n");  // Reset to default
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CREBOOT\r\n");  // Reset to default
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

/*
Serial1.print("AT+CMEE=2\r\n"); // Verbose error printing ??
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);
*/

Serial1.print("AT+IPR=115200\r\n");  // SetTE-TAFixedLocalRate
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CCLK?\r\n");  // Clock
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

// Upload a file

Serial1.print("AT+CFSINIT\r\n");  // Clock
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);   

String Command_Str;
Command_Str="AT+CFSWFILE=0,"0001.txt",0,";
Command_Str=Command_Str+FileSize;
Command_Str=Command_Str+",10000\r\n";
Serial.println(Command_Str);

Serial1.print(Command_Str); 
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);  

for (int i=0;i<FileSize;i++) {Serial1.print(jpg_small[i]);}


Serial1.print("AT+CFSGFIS=0,\"0001.txt\"\r\n");  // 
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);   


Serial1.print("AT+CPIN?\r\n");  // Ccheck SIM
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);  

Serial1.print("AT+CSQ\r\n");  // Check signal
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);  


Serial1.print("AT+CFUN=0\r\n");  // Set Phone Functionality isable RF
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

//Serial1.print("AT+CGDCONT=1,\"IP\",\"internet\",,0,0\r\n");  // 
Serial1.print("AT+CGDCONT=1,\"IP\",\"internet\"\r\n");  //  Define PDP Context
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CFUN=1\r\n");  // Set Phone Functionality Enable RF
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+CGATT?\r\n");  // Attach or detach from GPRS service
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+CGNAPN\r\n");  // Get Network APN in CAT-M or NB-IOT Query the APN service
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+CNCFGN=0,1,\"internet\",,0,0\r\n");  // Before activation please
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+CNACT=0,1\r\n");  // APP Network Active Activate
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);



Serial1.print("AT+CNACT?\r\n");  // APP Network Active Activate Query the APN service
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+EMAILCID=0\r\n");  // Set parameters of email
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+EMAILTO=30\r\n");  // Set parameters of email time out
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

/*
Serial1.print("AT+EMAILSSL=2,0,"email.cer","email.pem"\r\n"); // Set Encrypted mail
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);
*/
// https://randomnerdtutorials.com/esp32-send-email-smtp-server-arduino-ide/

Serial1.print("AT+SMTPSRV=\"smtp-mail.outlook.com\",587\r\n");  // Set SMTP server
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

//SMTP Password: (you need to use a Google App Password, not your Gmail password!)
//https://support.google.com/accounts/answer/185833
// https://www.hesk.com/knowledgebase/index.php?article=72

Serial1.print("AT+SMTPAUTH=1,\"my.email.com\",\"myApppassword\"\r\n");  // Set username and password

delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SMTPCS=\"ASCII\"\r\n");  // Set Email SSL function
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+EMAILSSL?\r\n");  // Read Email SSL function
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+EMAILSSL=2,0,\"\",\"\"\r\n");  // Set Email SSL function
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+EMAILSSL?\r\n");  // Read Email SSL function
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);

Serial1.print("AT+SMTPFROM=\"my.email@outlook.com\",\"Fakename\"\r\n");  // Set username and password

delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);
     
Serial1.print("AT+SMTPRCPT=0,0,\"Sendto@mac.com\",\"john\"\r\n");  // Set recipient To:
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);


Serial1.print("AT+SMTPSUB=\"Test4\"\r\n");  // Set recipient Bcc:
delay(10);
Read_Response_OK(5000);
Serial.println(Receive_buffer);
delay(500);   

String Email_Body="This is a new Email";
int Body_size;
Body_size=Email_Body.length();
Serial.print("Body size is :");
Serial.println(Body_size);

Serial1.print("AT+SMTPBODY=19\r\n");  // Set recipient Bcc:
delay(10);
Read_Response_OK(5000);
//Serial.println(Receive_buffer);
//delay(500); 

Serial1.print(Email_Body);
//Serial1.print("\r\n");
delay(10);
Read_Response(5000);
Serial.println(Receive_buffer);
delay(500); 

char ccc;
Serial.println("AT+SMTPSEND");
Serial1.print("AT+SMTPSEND\r\n"); //
delay(10);
while (Serial1.available())
{
ccc=Serial1.read();
Serial.print(ccc);
}

/*
Read_Response(5000); //Geen OK
Serial.println(Receive_buffer);
delay(500);
*/
Serial.println("And we are done");
while (1) {delay(300);}

Solved
I don't why I have been klinging on to Serial2, it got me in all kind of testing out, but the solution is to use Serial 1.

Hello,
The RFID 2 unit works fine when connected directly to M5Core2.
Now, I connect the I2C hub to the M5Core 2 and connect the RFID 2 device to channel 0 of the I2C hub.
I run the following programs. I would assume that the RFID 2 device would show with address 0x28. But it does not, it only gives 0X70 which is the I2C device itself. What am i missing here?

#include <M5Core2.h>

#include "ClosedCube_TCA9548A.h"

#define FRONT 2

#define X_LOCAL  100
#define Y_LOCAL  35
#define X_OFFSET 160
#define Y_OFFSET 34

#define PaHub_I2C_ADDRESS 0x70

ClosedCube::Wired::TCA9548A tca9548a;

void setup() {
    M5.begin();
    //M5.Power.begin();
    //wire.begin();
    tca9548a.address(PaHub_I2C_ADDRESS);  // Set the I2C address.  设置I2C地址
    M5.Lcd.setTextFont(4);
    M5.Lcd.setCursor(70, 0, 4);
    M5.Lcd.setTextColor(YELLOW, TFT_BLACK);
    M5.Lcd.println(("PaHUB Example"));
    M5.Lcd.setTextColor(TFT_WHITE, TFT_BLACK);
}

void loop() {
    uint8_t returnCode = 0;
    uint8_t address;
    for (uint8_t channel = 0; channel < TCA9548A_MAX_CHANNELS; channel++) {
        M5.Lcd.setCursor(X_LOCAL, Y_LOCAL + Y_OFFSET * channel, FRONT);
        M5.Lcd.printf(
            "                                                                ");
        M5.Lcd.setCursor(X_LOCAL, Y_LOCAL + Y_OFFSET * channel, FRONT);
        M5.Lcd.printf("CH%d : ", channel);
        returnCode = tca9548a.selectChannel(channel);
        if (returnCode == 0) {
            for (address = 0x01; address < 0x7F; address++) {
                Wire.beginTransmission(address);
                returnCode = Wire.endTransmission();
                if (returnCode == 0) {
                    Serial.print("I2C device = ");
                    M5.Lcd.printf("0X%X  ", address);
                }
            }
        }
        delay(200);
    }
}

@kuriko
Indeed a strange situation.
It occurs if I use TX=26 and RX=32 and also TX=22 and RX=19 to initiate the can BUS on a M5Atom
ESP32Can.CANInit(); // Init CAN Module. 初始化Can

If i dont initiate WifI I can send data through the CAN BUS. The moment I initiate WiFi, no data come through in the CAN BUS.

I will do some other trials with other devices (M5Core 2 and M5Atom S3) to check if it is a hardware problem.

I do hope to get this solved because if this problem is definite it means the Communication abilites of the CAN bus are limited.
Regards

(* Oh, important : When using WiFi i do receive CAN BUS messages , so that is weird, i really need to dive into this*)

@kuriko I use Arduino.

I am curious if this is a hardware issue or software (incompatibility between Wifi and the CAN bus protocol).

It does not work with ports 26 and 32 as well as ports 22 and 19 for communication with the CAN bus port

Regards

I am running into the following problem.
The Atomic CAN Bus works perfect. When I include WiFi it does not send andy data anymore. I have tested this with both the CanBus base as well as with Can bus Unit.
Somehow I have the feeling that it is related to incompability between Serial 1 and/or Serial 2 and WiFi on an ESP32.
Any feedback/suggestions?
Thanks

Dear all,
I am trying this device : https://shop.m5stack.com/products/atomic-speaker-base-ns4168 using the software from this link (https://github.com/m5stack/M5Atom/tree/master/examples/ATOM_BASE/ATOM_SPK/PlayRawPCM)

This is the message i get when resetting the atom lite :
ets Jun 8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 188777542, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0030,len:1344
load:0x40078000,len:13964
load:0x40080400,len:3600
entry 0x400805f0
E (303) esp_core_dump_<V͡� Incorrect size of core dump image: 0
M5Atom initializing...OK
E (82) I2S: i2s_driver_uninstall(2048): I2S port 0 has not installed
E (83) I2S: i2s_check_set_mclk(253): ESP32 only support to set GPIO0/GPIO1/GPIO3 as mclk signal, error GPIO number:120
E (89) I2S: i2s_set_pin(314): mclk config failed
I2S Write

I know the software is running through some checks in the software i have build in.
But i do not here any sound. No beep at startup and no soumd when i press the button.
This function returns a false : _AtomSPK.begin()
The weird thing is that the definition is : bool ATOMSPK::begin(int __rate) but it is called without __rate defined.
Within the begin function the error occurs in : err += i2s_set_pin(SPAKER_I2S_NUMBER, &tx_pin_config);

Any idea?
Thanks

@felmue said in M5stack GPS, use Serial2 and Serial1:

Well, now i need to recheck what i have been doing.
Your example works both on M5Stick (using ports 0 and 26) and M5Atom (ports 26 and 32).

Thank you, i have some work to do, Ha Ha

This device : ATOMIC GPS Base (M8030-KT) uses Serial2 to communicate with the GPS chip.
Now i am trying to use Serial1.begin(19200, SERIAL_8N1, 32, 26) to communicate with another device.
I know that this device is working, i have tested it with master module.
I have also switche TX and RX ports. Still no respond from the slave.

So i was wondering, is it possible to use Serial1 on M5atom lite with the 32 and 26 ports?
Thanks

@HappyUser First tests seem to indication that in order to switch from data mode to GNSS mode, you need to power off the GNSS module. As a result, the GNSS forgets its position and it takes another 5 to 10 seconds to get updated position data again. Btw, during the whole operation the module is powered. we are open to smarter solutions for this problem.

@felmue Thanks,
And now i am really curious about the Ideas from the M5Stack engineers about a fast responding program that integrates MQTT and GNSS. We are also working on it now.

What should have been an easy switch from the regualr sim7089 module to the CatM+GNSS module (also based on SIM7080), ended up in some serious back to basic debugging.
This link (https://github.com/wottreng/SIM7080G-NB-IoT-Cat-M-LTE-GPS), mentions:
GPS/GNSS and cellular can not be used together. Causes module to hang and be unresponsive

We are going to check whether that is the cause of our issue with this module.
Anyone else experience with this incompatibility.
Thanks