ESP32 Forum

Code: Select all

#include <EEPROM.h>
#include <FS.h>
#include <SD.h>

#define CCBUFFERSIZE 64
#define RECORDINGBUFFERSIZE 4096   // Buffer for recording the frames
#define EPROMSIZE 512              // Size of EEPROM in your Arduino chip. For ESP32 it is Flash simulated so very slow
#define BUF_LENGTH 128             // Buffer for the incoming command.

// defining PINs set for ESP32 WROOM module

byte sck = 18;     //  GPIO 18
byte miso = 19;    //  GPIO 19
byte mosi = 23;    //  GPIO 23
byte ss = 5;       //  GPIO 5
int gdo0 = 4;      //  GPIO 2
int gdo2 = 2;      //  GPIO 4

byte SDchipSelectPin = 17;
File myFile;


void setup() {
    // First of all, let' bring the MicroSD Card CS PIN HIGH, to disable it.
    pinMode(SDchipSelectPin, OUTPUT);
    digitalWrite(SDchipSelectPin, 255);

    pinMode(ss, OUTPUT);
     // initialize USB Serial Port CDC
     Serial.begin(115200);

    //Init EEPROM - for ESP32 based boards only
     EEPROM.begin(EPROMSIZE);     

     // initialize CC1101 module with preffered parameters
     cc1101initialize();

      if (ELECHOUSE_cc1101.getCC1101()) {  // Check the CC1101 Spi connection.
      Serial.println(F("cc1101 initialized. Connection OK\n\r"));
      } else {
      Serial.println(F("cc1101 connection error! check the wiring.\n\r"));
      };

      // setup variables
     bigrecordingbufferpos = 0;

     
      delay(500);
      if(!SD.begin(SDchipSelectPin)){
          Serial.print(F("Card Mount Failed. CS PIN IS "));
          Serial.print(SDchipSelectPin);
       } else {
        initCard();
       }
      
       myFile = SD.open("/foo.txt", FILE_APPEND);
       if(!myFile){
         Serial.println(F("failed to open file"));
       }
       myFile.print("qweuiyqwe87q98we7h1i23hqwlkjeuqj2e");
      myFile.print("\n");
       myFile.close();
  
}
void loop() {
  int i = 0;
  while (Serial.available()) {
   handleCLIMode();
  }; // end while Serial Available

  /* Process RF received packets  (if received) */
  ccProcessReceivedPackets();   

}  // end of main LOOP

Code: Select all

void ccSave2SD(){
  Serial.println(F("Saving to file, please wait..."));
  
  // spiEnableCC1101(false);
  // spiEnableSD(true);
  delay(500);
  // take 32 bytes at a time, convert To HEX and print it inline in the file.
  SD.begin(SDchipSelectPin);
  File myFile=SD.open("/foo.txt", FILE_APPEND);
  if(!myFile){
    Serial.println(F("unable to open file"));
    return;
  }
  myFile.print("signal:");
   myFile.print("\n");// at the end go for it
   myFile.close();

  delay(300);
  // spiEnableSD(false);
  // spiEnableCC1101(true);
}

static void exec(char *cmdline)
{ 
        
    char *command = strsep(&cmdline, " ");
    int setting, setting2, len;
    byte j, k;
    float settingf1;
    float settingf2;
    if (strcmp_P(command, PSTR("help")) == 0) {
 	Serial.println(F("help function"));
 	// ... many more cases here.
  } else if (strcmp_P(command, PSTR("save2sd")) == 0) {
      //start saving recording buffer content into EEPROM non-volatile memory 
      ccSave2SD();
      Serial.print(F("\r\nSaving complete.\r\n\r\n"));
    } else {
        Serial.print(F("Error: Unknown command: "));
        Serial.println(command);
    }

Code: Select all

SD.begin(SDchipSelectPin);