君正X系列开发13

设备使用了4G模块，接口是USB的；在调试过程中出现-71错误，

经过搜索；

和硬件工程师沟通，他确实没有走差分线，导致值阻抗不匹配，重新画板OK！

在内核找到了所有错误代号：

kernel/arch/mips/include/uapi/asm/errno.h/* * This file is subject to the terms and conditions of the GNU General Public * License.  See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1995, 1999, 2001, 2002 by Ralf Baechle */#ifndef _UAPI_ASM_ERRNO_H#define _UAPI_ASM_ERRNO_H/* * These error numbers are intended to be MIPS ABI compatible */#include #define ENOMSG 35 /* No message of desired type */#define EIDRM 36 /* Identifier removed */#define ECHRNG 37 /* Channel number out of range */#define EL2NSYNC 38 /* Level 2 not synchronized */#define EL3HLT 39 /* Level 3 halted */#define EL3RST 40 /* Level 3 reset */#define ELNRNG 41 /* Link number out of range */#define EUNATCH 42 /* Protocol driver not attached */#define ENOCSI 43 /* No CSI structure available */#define EL2HLT 44 /* Level 2 halted */#define EDEADLK 45 /* Resource deadlock would occur */#define ENOLCK 46 /* No record locks available */#define EBADE 50 /* Invalid exchange */#define EBADR 51 /* Invalid request descriptor */#define EXFULL 52 /* Exchange full */#define ENOANO 53 /* No anode */#define EBADRQC 54 /* Invalid request code */#define EBADSLT 55 /* Invalid slot */#define EDEADLOCK 56 /* File locking deadlock error */#define EBFONT 59 /* Bad font file format */#define ENOSTR 60 /* Device not a stream */#define ENODATA 61 /* No data available */#define ETIME 62 /* Timer expired */#define ENOSR 63 /* Out of streams resources */#define ENONET 64 /* Machine is not on the network */#define ENOPKG 65 /* Package not installed */#define EREMOTE 66 /* Object is remote */#define ENOLINK 67 /* Link has been severed */#define EADV 68 /* Advertise error */#define ESRMNT 69 /* Srmount error */#define ECOMM 70 /* Communication error on send */#define EPROTO 71 /* Protocol error */#define EDOTDOT 73 /* RFS specific error */#define EMULTIHOP 74 /* Multihop attempted */#define EBADMSG 77 /* Not a data message */#define ENAMETOOLONG 78 /* File name too long */#define EOVERFLOW 79 /* Value too large for defined data type */#define ENOTUNIQ 80 /* Name not unique on network */#define EBADFD 81 /* File descriptor in bad state */#define EREMCHG 82 /* Remote address changed */#define ELIBACC 83 /* Can not access a needed shared library */#define ELIBBAD 84 /* Accessing a corrupted shared library */#define ELIBSCN 85 /* .lib section in a.out corrupted */#define ELIBMAX 86 /* Attempting to link in too many shared libraries */#define ELIBEXEC 87 /* Cannot exec a shared library directly */#define EILSEQ 88 /* Illegal byte sequence */#define ENOSYS 89 /* Function not implemented */#define ELOOP 90 /* Too many symbolic links encountered */#define ERESTART 91 /* Interrupted system call should be restarted */#define ESTRPIPE 92 /* Streams pipe error */#define ENOTEMPTY 93 /* Directory not empty */#define EUSERS 94 /* Too many users */#define ENOTSOCK 95 /* Socket operation on non-socket */#define EDESTADDRREQ 96 /* Destination address required */#define EMSGSIZE 97 /* Message too long */#define EPROTOTYPE 98 /* Protocol wrong type for socket */#define ENOPROTOOPT 99 /* Protocol not available */#define EPROTONOSUPPORT 120 /* Protocol not supported */#define ESOCKTNOSUPPORT 121 /* Socket type not supported */#define EOPNOTSUPP 122 /* Operation not supported on transport endpoint */#define EPFNOSUPPORT 123 /* Protocol family not supported */#define EAFNOSUPPORT 124 /* Address family not supported by protocol */#define EADDRINUSE 125 /* Address already in use */#define EADDRNOTAVAIL 126 /* Cannot assign requested address */#define ENETDOWN 127 /* Network is down */#define ENETUNREACH 128 /* Network is unreachable */#define ENETRESET 129 /* Network dropped connection because of reset */#define ECONNABORTED 130 /* Software caused connection abort */#define ECONNRESET 131 /* Connection reset by peer */#define ENOBUFS 132 /* No buffer space available */#define EISCONN 133 /* Transport endpoint is already connected */#define ENOTCONN 134 /* Transport endpoint is not connected */#define EUCLEAN 135 /* Structure needs cleaning */#define ENOTNAM 137 /* Not a XENIX named type file */#define ENAVAIL 138 /* No XENIX semaphores available */#define EISNAM 139 /* Is a named type file */#define EREMOTEIO 140 /* Remote I/O error */#define EINIT 141 /* Reserved */#define EREMDEV 142 /* Error 142 */#define ESHUTDOWN 143 /* Cannot send after transport endpoint shutdown */#define ETOOMANYREFS 144 /* Too many references: cannot splice */#define ETIMEDOUT 145 /* Connection timed out */#define ECONNREFUSED 146 /* Connection refused */#define EHOSTDOWN 147 /* Host is down */#define EHOSTUNREACH 148 /* No route to host */#define EWOULDBLOCK EAGAIN /* Operation would block */#define EALREADY 149 /* Operation already in progress */#define EINPROGRESS 150 /* Operation now in progress */#define ESTALE 151 /* Stale NFS file handle */#define ECANCELED 158 /* AIO operation canceled *//* * These error are Linux extensions. */#define ENOMEDIUM 159 /* No medium found */#define EMEDIUMTYPE 160 /* Wrong medium type */#define ENOKEY 161 /* Required key not available */#define EKEYEXPIRED 162 /* Key has expired */#define EKEYREVOKED 163 /* Key has been revoked */#define EKEYREJECTED 164 /* Key was rejected by service *//* for robust mutexes */#define EOWNERDEAD 165 /* Owner died */#define ENOTRECOVERABLE 166 /* State not recoverable */#define ERFKILL 167 /* Operation not possible due to RF-kill */#define EHWPOISON 168 /* Memory page has hardware error */#define EDQUOT 1133 /* Quota exceeded */#endif /* _UAPI_ASM_ERRNO_H */