#include "rom/gpio.h" //SIG_IN_FUNC228_IDX blob/master/components/soc/esp32c3/include/soc/gpio_sig_map.h


/*********  SETUP  **********/

void setup(void)
{  




  //  @doc Only the loopback signals ESP32 224-228 can be configured to be routed from one input GPIO and directly to another output GPIO.
  //  @doc Only the loopback signals ESP32c3 97-100 can be configured to be routed from one input GPIO and directly to another output GPIO.
  gpio_matrix_in(4, 97, false); // gpio_matrix_in(pin, signal, inverted);
  gpio_matrix_out(0, 97, false, false); //    gpio_matrix_out(pin, function, invertOut, invertEnable);
  gpio_matrix_in(5, 98, false); // gpio_matrix_in(pin, signal, inverted);
  gpio_matrix_out(1, 98, false, false); //    gpio_matrix_out(pin, function, invertOut, invertEnable);
  gpio_matrix_in(6, 99, false); // gpio_matrix_in(pin, signal, inverted);
  gpio_matrix_out(3, 99, false, false); //    gpio_matrix_out(pin, function, invertOut, invertEnable);
  gpio_matrix_in(10, 100, false); // gpio_matrix_in(pin, signal, inverted);
  gpio_matrix_out(7, 100, false, false); //    gpio_matrix_out(pin, function, invertOut, invertEnable);
  Serial.begin(115200);
   pinMode(4,INPUT);
  pinMode(5,INPUT);
  pinMode(6,INPUT);
  pinMode(10,INPUT);
  pinMode(0,OUTPUT);
  pinMode(1,OUTPUT);
  pinMode(3,OUTPUT);
  pinMode(7,OUTPUT);

  Serial.print(F("Initializing SD card..."));
  
}

/*********  LOOP  **********/

void loop(void)
{

}