/*!
    \file  main.c
    \brief GD32F4xx 工程模板入口（LED 心跳 + 串口收发框架）

    基于 GD32E23x 工程模板移植，目标芯片 GD32F405RET6（Cortex-M4 @168MHz，512KB Flash）。
*/

/*
    Copyright (c) 2025, GigaDevice Semiconductor Inc.

    Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice, this
       list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation
       and/or other materials provided with the distribution.
    3. Neither the name of the copyright holder nor the names of its contributors
       may be used to endorse or promote products derived from this software without
       specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/

#include "gd32f4xx.h"
#include "systick.h"
#include "uart.h"
#include "uart_ring_buffer.h"
#include "led.h"
#include <stdio.h>
#include "board_config.h"

/* TODO: 以下模块尚未从 GD32E23x 工程移植，编译验证通过后逐步补充：
 *   - i2c.c/i2c.h      I2C 主机读写驱动（硬件 I2C0 + 总线恢复）
 *   - command.c/h      串口命令协议解析（D5 帧格式）
 * 移植时将对应文件加入 CMakeLists.txt 的 TARGET_SRC 即可。
 */

/*!
    \brief      main function
    \param[in]  none
    \param[out] none
    \retval     none
*/
int main(void)
{
    led_init();

    systick_config();

    uart_ring_buffer_init();
    uart_init();

#if DEBUG_MODE == CFG_ENABLE
    printf("Hello World!\r\n");
    printf("GD32F405 template, flash size: %u KB\r\n", GD32_FLASH_SIZE_KB);
#endif

#if SEGGER_RTT_DETECTION == CFG_ENABLE
    RTT_printf(0, "Hello World!\r\n");
#endif
    printf("Hello World!\r\n");

    /* ========== Command Testing ========== */

    /* ========== */

    while(1){
        /* TODO: command_process();  命令模块移植后启用 */
        delay_ms(10);
    }
}