OpenPuck/OpenPuck/bonds.cpp

#include "bonds.h"
#include <Adafruit_LittleFS.h>
#include <InternalFileSystem.h>
using namespace Adafruit_LittleFS_Namespace;

Slot g_slot[NSLOT];
int           g_connSlot = -1;
unsigned long g_connReplyMs = 0;
volatile bool g_dirty = false;
bool          g_pairing = false;

#define BOND_FILE "/bonds.bin"

bool recEmpty(const uint8_t *r) { for (int i = 0; i < 24; i++) if (r[i]) return false; return true; }

void saveBonds() {
  InternalFS.remove(BOND_FILE);
  File f(InternalFS);
  if (f.open(BOND_FILE, FILE_O_WRITE)) {
    for (int i = 0; i < NSLOT; i++) { uint8_t u = g_slot[i].used ? 1 : 0; f.write(&u, 1); f.write(g_slot[i].rec, 24); }
    f.close();
  }
}

void loadBonds() {
  File f(InternalFS);
  if (f.open(BOND_FILE, FILE_O_READ))
    for (int i = 0; i < NSLOT; i++) { uint8_t u = 0; if (f.read(&u, 1) == 1) { g_slot[i].used = u; f.read(g_slot[i].rec, 24); } }
  f.close();
}