/*-data-type------size---------description----------------------
  boolean        (8 bit)   -  [true/false]
  byte           (8 bit)   -  [0-255] unsigned number
  char           (8 bit)   -  [-128 to 127] signed number
  unsigned char  (8 bit)   -  [-128 to 127] signed number
  word           (16 bit)  -  [0-65535] unsigned number
  unsigned int   (16 bit)  -  [0-65535] unsigned number
  int            (16 bit)  -  [-32768 to 32767] signed number
  unsigned long  (32 bit)  -  [0-4,294,967,295] unsigned number usually for millis
  long           (32 bit)  -  [-2,147,483,648 to 2,147,483,647] signed number
  float          (32 bit)  -  [-3.4028235E38 to 3.4028235E38] signed number
  uint8_t        (8 bit)   -  [0-255] unsigned number
  int8_t         (8 bit)   -  [-127 - 127] signed number
  uint16_t       (16 bit)  -  [0-65,535] unsigned number
  int16_t        (16 bit)  -  [-32,768 - 32,767] signed number
  uint32_t       (32 bit)  -  [0-4,294,967,295] unsigned number
  int32_t        (32 bit)  -  [-2,147,483,648 - 2,147,483,647] signed number
  uint64_t       (64 bit)  -  [0-18,446,744,073,709,551,615] unsigned number
  int64_t        (64 bit)  -  [−9,223,372,036,854,775,808 - 9,223,372,036,854,775,807] signed number
  --------------------------------------------------------------
  camelCase                -  anything that changes
  snake_case               -  variable's that are exclusive in a function
  Snake_Case               -  CLASS/struct exclusave varables/functions
  iNVERTEDcAMELcASE        -  outside code that is being accessed [database]
  SNake_CAse               -  duplicate varables inside the case function [frequently used in library names]
  ALL_CAPS                 -  const varable names or defines
  ------------- by jediRick & RefreshMyMind --------------------
*/

#include <stdio.h>
#include "pico/stdlib.h"
#include "pico/multicore.h"
 
#define FLAG_VALUE 123
 
void core1_entry() {
 
    multicore_fifo_push_blocking(FLAG_VALUE);
 
    uint32_t g = multicore_fifo_pop_blocking();
 
    if (g != FLAG_VALUE)
        printf("Hmm, that's not right on core 1!\n");
    else
        printf("Its all gone well on core 1!");
 
    while (1)
        tight_loop_contents();
}
 
int main() {
    stdio_init_all();
    printf("Hello, multicore!\n");
 
 
    multicore_launch_core1(core1_entry);
 
    // Wait for it to start up
 
    uint32_t g = multicore_fifo_pop_blocking();
 
    if (g != FLAG_VALUE)
        printf("Hmm, that's not right on core 0!\n");
    else {
        multicore_fifo_push_blocking(FLAG_VALUE);
        printf("It's all gone well on core 0!");
    }
 
}