main.c 文件参考

浏览源代码.

函数
u32_t	osShellTftp (int argc, const char **argv)
	SHELLCMD_ENTRY (tftp_shellcmd, CMD_TYPE_EX, "tftp", XARGS,(CmdCallBackFunc)(uintptr_t) osShellTftp)

变量
static int	tcpip_init_finish = 1
static char *	TftpError []

函数说明

osShellTftp()

u32_t osShellTftp	(	int	argc,
		const char **	argv
	)

在文件 main.c 第 80 行定义.

{
    u32_t ulRemoteAddr = IPADDR_NONE;
    const u16_t usTftpServPort = 69;
    u8_t ucTftpGet = 0;
    s8_t *szLocalFileName = NULL;
    s8_t *szRemoteFileName = NULL;
    u32_t ret;
 
    int i = 1;
    if (argc < 1 || argv == NULL) {
        goto usage;
    }
 
    if (!tcpip_init_finish) {
        PRINTK("%s: tcpip_init have not been called\n", __FUNCTION__);
        return LOS_NOK;
    }
 
    while (i < argc) {
        if (strcmp(argv[i], "-p") == 0) {
            ucTftpGet = 0;
            i++;
            continue;
        }
 
        if (strcmp(argv[i], "-g") == 0) {
            ucTftpGet = 1;
            i++;
            continue;
        }
 
        if (strcmp(argv[i], "-l") == 0 && ((i + 1) < argc)) {
            szLocalFileName = (s8_t *)argv[i + 1];
            i += 2;
            continue;
        }
 
        if (strcmp(argv[i], "-r") == 0 && ((i + 1) < argc)) {
            szRemoteFileName = (s8_t *)argv[i + 1];
            i += 2;
            continue;
        }
 
        if ((i + 1) == argc) {
            ulRemoteAddr = inet_addr(argv[i]);
            break;
        }
 
        goto usage;
    }
 
    if (ulRemoteAddr == IPADDR_NONE || szLocalFileName == NULL || szRemoteFileName == NULL) {
        goto usage;
    }
 
    if (ucTftpGet) {
        ret = lwip_tftp_get_file_by_filename(ntohl(ulRemoteAddr), usTftpServPort,
                                             TRANSFER_MODE_BINARY, szRemoteFileName, szLocalFileName);
    } else {
        ret = lwip_tftp_put_file_by_filename(ntohl(ulRemoteAddr), usTftpServPort,
                                             TRANSFER_MODE_BINARY, szLocalFileName, szRemoteFileName);
    }
 
    LWIP_ASSERT("TFTP UNKNOW ERROR!", ret < ARRAY_SIZE(TftpError));
    PRINTK("%s", TftpError[ret]);
    if (ret) {
        return LOS_NOK;
    } else {
        return LOS_OK;
    }
usage:
    PRINTK("usage:\nTransfer a file from/to tftp server\n");
    PRINTK("tftp <-g/-p> -l FullPathLocalFile -r RemoteFile Host\n");
    return LOS_NOK;
}

函数调用图:

SHELLCMD_ENTRY()

SHELLCMD_ENTRY	(	tftp_shellcmd	,
		CMD_TYPE_EX	,
		"tftp"	,
		XARGS	,
		(CmdCallBackFunc)(uintptr_t)	osShellTftp
	)

变量说明

tcpip_init_finish

int tcpip_init_finish = 1

static

在文件 main.c 第 43 行定义.

TftpError

char* TftpError[]

static

在文件 main.c 第 44 行定义.