/*
 * GML670 Balance Board — CoP Binary Protocol
 * Features:
 * - 4-channel ADS1256 with averaging filter.
 * - Board-side CoP (Center of Pressure) computation.
 * - Binary protocol over BLE NUS (17-byte CoP frame, 50 Hz).
 * - Downlink: resistance params, spotter mode, heartbeat.
 */

#include "ble_transport.h"
#include "button.h"
#include "sensor.h"

#include <zephyr/kernel.h>
#include <zephyr/logging/log.h>

LOG_MODULE_REGISTER(main, LOG_LEVEL_INF);

/**
 * @brief 初始化系统各模块并进入主线程驻留状态。
 *
 * @retval 0 理论上的正常返回值；当前实现进入永久休眠后不会主动返回。
 * @retval -1 按键模块或传感器模块初始化失败。
 */
int main(void) {
    k_msleep(2000);
    LOG_INF("--- GML670 System (CoP Binary Protocol) ---");

    ble_transport_init();
    ble_transport_adv_start();

    if (button_init()) {
        LOG_ERR("Failed to initialize buttons");
        return -1;
    }

    if (sensor_init()) {
        LOG_ERR("Failed to initialize sensor");
        return -1;
    }

    k_sleep(K_FOREVER);

    return 0;
}