185 lines
3.8 KiB
C
185 lines
3.8 KiB
C
/**
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* @file shell_port.c
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* @author Letter (NevermindZZT@gmail.com)
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* @brief
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* @version 0.1
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* @date 2019-02-22
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*
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* @copyright (c) 2019 Letter
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*
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*/
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#include "publicdata/public_define.h"
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#if (MY_SHELL_EN)
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#include "shell.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include "FreeRTOS.h"
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#include "semphr.h"
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#include "task.h"
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#include "usart.h"
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#include "wdt_task/wdt_task.h"
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#include "app_init/app_init.h"
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Shell shell;
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char shellBuffer[512];
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#define SHELL_USART_ID ((E_USART_ID)DEBUG_SHELL_USART_ID)
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static SemaphoreHandle_t shellMutex;
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/**
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* @brief 用户shell写
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*
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* @param data 数据
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* @param len 数据长度
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*
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* @return short 实际写入的数据长度
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*/
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short userShellWrite(char *data, unsigned short len)
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{
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if ((uint8_t)DEBUG_SHELL_USART_ID == (uint8_t)DEBUG_SHELL_USART_NULL) {
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return 0;
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}
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u16_usart_send(SHELL_USART_ID,(uint8_t *)data,len);
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return len;
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}
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/**
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* @brief 用户shell读
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*
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* @param data 数据
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* @param len 数据长度
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*
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* @return short 实际读取到
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*/
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short userShellRead(char *data, unsigned short len)
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{
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short recv_len;
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if ((uint8_t)DEBUG_SHELL_USART_ID == (uint8_t)DEBUG_SHELL_USART_NULL) {
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return 0;
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}
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recv_len = u16_usart_recv(SHELL_USART_ID,(uint8_t *)data,len);
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return recv_len;
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}
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/**
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* @brief 用户shell上锁
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*
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* @param shell shell
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*
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* @return int 0
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*/
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int userShellLock(Shell *shell)
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{
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(void)shell;
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if (shellMutex != NULL) {
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(void)xSemaphoreTakeRecursive(shellMutex, portMAX_DELAY);
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}
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return 0;
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}
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/**
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* @brief 用户shell解锁
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*
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* @param shell shell
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*
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* @return int 0
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*/
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int userShellUnlock(Shell *shell)
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{
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(void)shell;
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if (shellMutex != NULL) {
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(void)xSemaphoreGiveRecursive(shellMutex);
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}
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return 0;
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}
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/**
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* @brief 用户shell初始化
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*
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*/
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void userShellInit(void)
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{
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if ((uint8_t)DEBUG_SHELL_USART_ID == (uint8_t)DEBUG_SHELL_USART_NULL) {
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return;
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}
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shellMutex = xSemaphoreCreateRecursiveMutex();
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shell.write = userShellWrite;
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shell.read = userShellRead;
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shell.lock = userShellLock;
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shell.unlock = userShellUnlock;
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shellInit(&shell, shellBuffer, 512);
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}
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//CEVENT_EXPORT(EVENT_INIT_STAGE2, userShellInit);
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void v_myshell_task(void *argument)
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{
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for (;;) {
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v_wdt_setFlag(TASK_ID_MyShell);
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shellTask(argument);
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/* shellTask 内部有 while(1) + vTaskDelay(10ms)，
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* 正常情况下不会执行到这里；若返回则重新进入 */
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mSleep(10U);
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}
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}
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#else /* MY_SHELL_EN */
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/* 关闭 Shell 时，该文件不产生任何可执行代码 */
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#endif /* MY_SHELL_EN */
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/************************************************************************************* */
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#if (MY_SHELL_EN)
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unsigned short shell_send_String(const char *string)
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{
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unsigned short count = 0;
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const char *p = string;
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SHELL_ASSERT(shell.write, return 0);
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while(*p++)
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{
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count ++;
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}
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return shell.write((char *)string, count);
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}
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#define SHELL_PRINT_BUFFER_SIZE 256 // 可调整缓冲区大小
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// 类似printf的格式化输出函数
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void v_shell_print(const char *format, ...)
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{
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va_list args;
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char buffer[SHELL_PRINT_BUFFER_SIZE];
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int len;
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// 1. 处理可变参数
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va_start(args, format);
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// 2. 安全格式化字符串
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len = vsnprintf(buffer, sizeof(buffer), format, args);
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va_end(args);
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// 3. 校验长度有效性
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if(len <= 0) return; // 格式化失败
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if(len >= (int)sizeof(buffer)) {
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// 截断到最大长度
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buffer[sizeof(buffer) - 1] = '\0';
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len = sizeof(buffer) - 1;
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}
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// 4. 发送数据到串口
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if(len > 0) {
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if ((uint8_t)DEBUG_SHELL_USART_ID == (uint8_t)DEBUG_SHELL_USART_NULL) {
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return;
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}
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u16_usart_send(SHELL_USART_ID, (uint8_t *)buffer, (uint16_t)len);
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}
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}
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#endif /* MY_SHELL_EN */
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