#include "shell.h"
#include "bsp_uart.h"
#include "log.h"
#include "stdbool.h"
#include "shell_port.h"

Shell shell;

char shellBuffer[SHELL_BUF_LENGTH];

void Uart_Log_Write(char *buffer, short len);

// 定义log对象
Log uartLog = {
    .write = Uart_Log_Write,
    .active = LOG_ENABLE,
    .level = LOG_ALL
};

/**
 * @brief 用户shell写
 *
 * @param data 数据
 * @param len 数据长度
 *
 * @return unsigned short 写入实际长度
 */
signed short userShellWrite(char *data, unsigned short len)
{
    BSP_Uart3_Send_Data(data, len);
    return len;
}

// 实现log写buffer函数
void Uart_Log_Write(char *buffer, short len)
{
    if (uartLog.shell)
    {
//        log工具可以结合letter shell的尾行模式，实现log和shell共用一个终端，但不影响shell交互体验
        shellWriteEndLine(uartLog.shell, buffer, len);
    }
}

/**
 * @brief 用户shell初始化
 *
 */
void SHELL_Init(void)
{
    shell.write = userShellWrite;

    shellInit(&shell, shellBuffer, SHELL_BUF_LENGTH);

    logRegister(&uartLog, &shell);
}