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@interface Queue : NSObject {
    NSMutableArray *queue;
    int maxSize;
}
- (id)initWithSize:(int)maxSize;
- (id)dequeue;
- (void)enqueue:(id)anObject ;
- (int)count;
@end

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// Queue初期化
Queue *queue = [[Queue alloc] initWithSize:128];

// NSDataをenqueue
NSData *indata = [[NSData alloc] init];
...
[queue enqueue:indata];

// すべてのNSDataをdequeue
while([queue count] > 0) {

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// 構造体の例
typedef union _PacketT{
    uint8_t byte[10];

    struct {
        uint8_t stx;
        uint8_t id;
        uint16_t address;
        uint32_t data;
        uint8_t checksum;

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- (void)viewDidLoad
{
    [super viewDidLoad];

    // 背景をクリックしたら、キーボードを隠す
    UITapGestureRecognizer *gestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(closeKeyboard)];
    gestureRecognizer.cancelsTouchesInView = NO;
    [self.view addGestureRecognizer:gestureRecognizer];
    
}

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static void ble_stack_init(void)
{
    // Initialize SoftDevice.
    SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION, false);

    // Subscribe for BLE events.
    uint32_t err_code = softdevice_ble_evt_handler_set(ble_evt_dispatch);
    APP_ERROR_CHECK(err_code);

    // Register with the SoftDevice handler module for BLE events.

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// Persistent storage system event handler
void pstorage_sys_event_handler (uint32_t p_evt);

/**@brief Function for dispatching a system event to interested modules.
 *
 * @details This function is called from the System event interrupt handler after a system
 *          event has been received.
 *
 * @param[in]   sys_evt   System stack event.
 */

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#include "app_scheduler.h"

...

// YOUR_JOB: Modify these according to requirements (e.g. if other event types are to pass through
//           the scheduler).
#define SCHED_MAX_EVENT_DATA_SIZE       sizeof(app_timer_event_t)                   /**< Maximum size of scheduler events. Note that scheduler BLE stack events do not contain any data, as the events are being pulled from the stack in the event handler. */
#define SCHED_QUEUE_SIZE                10                                          /**< Maximum number of events in the scheduler queue. */

...

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static uint8_t pstorage_wait_flag = 0;
static pstorage_block_t pstorage_wait_handle = 0;

static void flash_cb_handler(pstorage_handle_t    *handle,
                             uint8_t            op_code,
                             uint32_t           result,
                             uint8_t            *p_data,
                             uint32_t           data_len)
{

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static void pstorage_test_store_and_load(void)
{
    pstorage_handle_t       handle;
    pstorage_handle_t       block_handle;
    pstorage_module_param_t param;
    uint8_t                 source_data[16]   = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F};
    uint8_t                 source_data_2[16] = {0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0};
    uint8_t                 dest_data[16] = {0};
    uint32_t                err_code;

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int main(void)
{
    // Initialize
    leds_init();
    timers_init();
    buttons_init();
    APP_GPIOTE_INIT(1);
    uart_init();
    ble_stack_init();
    scheduler_init();