127 lines
2.5 KiB
C
127 lines
2.5 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 "xiuos.h"
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#include "shell.h"
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#include "shell_fs.h"
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#include <stdio.h>
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#ifdef FS_VFS
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#include <iot-vfs_posix.h>
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#endif
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#include <stddef.h>
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#include <string.h>
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#include "xsconfig.h"
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#include <device.h>
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Shell shell;
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char *shellBuffer;
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ShellFs shellFs;
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char *shellPathBuffer;
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HardwareDevType console;
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/**
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* @brief Shell write
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*
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* @param data write data
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*/
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void userShellWrite(char data)
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{
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KPrintf("%c",data);
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}
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/**
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* @brief shell read
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*
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* @param data read data
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* @return char read status
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*/
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signed char userShellRead(char *data)
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{
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struct BusBlockReadParam read_param;
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read_param.size = 1;
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read_param.buffer = data;
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BusDevReadData(console, &read_param);
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return 0;
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}
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#ifdef SHELL_ENABLE_FILESYSTEM
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/**
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* @brief list file
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*
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* @param path path
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* @param buffer result buffer
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* @param maxLen the maximum buffer size
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* @return size_t 0
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*/
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size_t userShellListDir(char *path, char *buffer, size_t maxLen)
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{
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DIR *dir;
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struct dirent *ptr;
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int i;
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dir = opendir(path);
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memset(buffer, 0, maxLen);
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while((ptr = readdir(dir)) != NULL)
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{
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strcat(buffer, ptr->d_name);
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strcat(buffer, "\t");
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}
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closedir(dir);
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return 0;
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}
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#endif
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/**
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* @brief Initialize the shell
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*
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*/
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int userShellInit(void)
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{
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shellBuffer = x_malloc(512*sizeof(char));
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#ifdef SHELL_ENABLE_FILESYSTEM
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shellPathBuffer = x_malloc(512*sizeof(char));
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shellPathBuffer[0] = '/';
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shellFs.getcwd = getcwd;
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shellFs.chdir = chdir;
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shellFs.listdir = userShellListDir;
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shellFsInit(&shellFs, shellPathBuffer, 512);
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shellSetPath(&shell, shellPathBuffer);
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#endif
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shell.write = userShellWrite;
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shell.read = userShellRead;
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console = ObtainConsole();
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/*Open the serial device in interrupt receiving and polling sending mode */
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struct SerialDevParam *serial_dev_param = (struct SerialDevParam *)console->private_data;
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serial_dev_param->serial_set_mode = SIGN_OPER_INT_RX;
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serial_dev_param->serial_stream_mode = SIGN_OPER_STREAM;
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BusDevOpen(console);
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shellInit(&shell, shellBuffer, 512);
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int32 tid;
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tid = KTaskCreate("letter-shell",
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shellTask, &shell,
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SHELL_TASK_STACK_SIZE, SHELL_TASK_PRIORITY);
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StartupKTask(tid);
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return 0;
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}
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