one_lead_electrocardiograph/app/src/board/board.h

#pragma once

/**
 * @brief
 *
 * 200HZ,16bit
 *      ->
 *        1s => 200*2 => 400BYTE
 * 248k
 *      ->
 *         1s => 248*1024/400 => 634_S => 10.5min
 */

#define MAX_STORAGE_TIMEOUT_S (60 * 10)
#define MAX_STORAGE_SIZE      (MAX_STORAGE_TIMEOUT_S * 400)  // �洢��������Ϊ (256-8)kbyte
#define MAX_FILE_NUM          10

#define SAMPLE_RATE      500
#define SAMPLE_PRECISION 12

#define AUTOMATIC_SLEEP_TIME 15000
#define SAMPLE_MIN_TIME_S    (30.0)

// #define ENABLE_SLEEP

#define LITTLE_DATA_BLOCK_FRAME_NUM 5  // ÿ�ζ���֡�ϱ�һ��