本帖最后由 0522 于 2012-3-21 23:04 编辑 ; I/ \0 g9 I2 E5 o9 ~
/ [* P/ d2 M e0 \0 Z
修改的代码早有了。到今天不会编译。
. k5 _* |4 C7 L! r; S; a' G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- w* U) {; d/ f/ J2 J9 @- h - #include <malloc.h>; Z b, v* ?8 C# _2 ~2 {( x
- #include <sys/types.h>
! r5 j7 x' \5 y: N. R - #include <sys/stat.h>
3 o% D. s9 j! \) j# d | - #include <sys/ioctl.h>
' v7 `' Y3 }7 @ U3 G0 s6 O2 u: S - #include <stdio.h>
" L" \# v9 F1 G' [+ v/ |1 p B - #include <string.h>
& j* N& |& A/ z3 J! H - 0 Z7 H7 ^# p+ s" q0 G3 I( o
- typedef struct {
6 H1 v" L1 d* n/ k( j4 I - unsigned int e2prom_cmd_sub_addr;
' F) W6 a$ ?9 t# G: m/ T - unsigned int sub_addr_count;" Z; @; }% E4 y) R0 ^
- unsigned char* e2prom_cmd_data;! U- Y2 X+ ^$ \7 E1 q n6 l3 u
- unsigned int data_count;
$ b) `5 o+ n$ R- ?( R1 |! Y - } e2prom_s_cmd;4 c2 q: Q# J& X K) O
, R& i* _% c8 g4 B& C- #define E2PROM_CMD_READ 1
( |* z; |: C+ i8 `* \ - #define E2PROM_CMD_WRITE 24 j0 f7 F1 |; l5 q- k# v. Z& o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 B) |4 d1 F+ P# P$ p) I
! F- g8 F# l0 X# B8 K9 M j- static int readparam(unsigned char *mac, unsigned char *stbid)9 w) B* a% X3 \- R& M8 ^
- {
4 z" ~$ Y. R7 T( t1 E - int fd, ret;
, t% q7 O+ g% \/ i - e2prom_s_cmd arg;/ n/ A# t2 J; n9 m4 v
- unsigned char buf[0x18];
4 ?+ e; p: c( i- [$ {# x - 9 h, G1 q4 Z0 K# \2 r" `0 t
- fd = open(E2PROM_DEVICE, O_RDWR);/ [. B/ J4 i4 ^6 P
- if (fd < 0) {
9 d. M' g M% S4 V' j( ] - printf("Device %s open error.\n", E2PROM_DEVICE);9 P" o' ]; s( S+ n( u0 \
- return -1;
5 q" |5 A- i: v5 q3 \. h4 H6 y - }
5 D, J* b* E! ~ F# h$ T) I9 t - arg.sub_addr_count = 2;
1 Z9 w, ?. @5 P+ S - arg.data_count = 0x18;5 p" _. H- [: N# ^) k+ E
- arg.e2prom_cmd_sub_addr = 0x290;: d( D% L- k8 m0 e$ S- i" w
- arg.e2prom_cmd_data = buf;
8 I8 a ^; S! J4 q) Y+ p0 u/ N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ m. \# X R" J* @( u - if (ret != 0) {0 y/ G9 W3 \. Q( b3 I& q
- printf("Device %s read error.\n", E2PROM_DEVICE);# R. O6 }) B+ V/ Q
- return -1;" j& J% B, l9 |$ d
- }
9 F$ r2 `5 z2 u2 R$ {# k- i; Y - memcpy(mac, buf, 6);, n$ e. _' d; y( t) R5 v
- memcpy(stbid, &buf[6], 18);
0 y) W" x, l: s9 W r( ]+ o$ K* Y3 D - stbid[18] = '\0';
% C9 H+ B% H. p" [0 c$ z
9 Q% Z- |4 s& Z* t- return 0;2 J5 k- x) ?/ [% N. w
- }1 ? Q4 G4 G- w
) C/ F% J( {# }- N- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ x. p: k! r3 [' e y - {
# ]9 j% i4 A" m* |) S, r - int fd, ret;
) O1 _2 R! X0 h( X8 z - e2prom_s_cmd arg;
1 _# V, q5 O5 Z6 F - unsigned char buf[0x18];
+ z2 W& j) v+ L& ~7 L. Q
2 f7 B; g* M: [# @- memcpy(buf, mac, 6);
- |+ q( g8 F- N2 L8 [$ k6 U - memcpy(&buf[6], stbid, 18);
1 O+ N& p1 d- j9 X - fd = open(E2PROM_DEVICE, O_RDWR);
2 u9 y% e# k9 F& C$ A3 _ - if (fd < 0) {
( x, Q& g; D# W- D4 d( ] - printf("Device %s open error.\n", E2PROM_DEVICE);
, a% o( o' J+ F; e# s - return -1;
$ o' Z ~1 h+ h* T* B - }4 R3 E' Y) g8 a/ `) v
- arg.sub_addr_count = 2;+ @( ]& K6 R# N6 k4 V+ g% W
- arg.data_count = 0x18;
1 I3 \6 [+ k8 a! Y% j! q# a - arg.e2prom_cmd_sub_addr = 0x290;
& [* @: G- j5 K( L7 m- b" s/ E5 B - arg.e2prom_cmd_data = buf;& g" g; R/ R' @5 C. e7 _( a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. r% n# ^2 _( e1 Y- j# a
- if (ret != 0) {
: K `8 F, S3 S8 V k6 z1 W - printf("Device %s write error.\n", E2PROM_DEVICE);+ k& ?% D; m: l1 j7 F' d
- return -1;
7 h' ?0 p# D% b- X* y1 d* H - }* W: H# C5 o3 x! v/ T# s
5 m {4 C' Y/ Y" ^2 L/ l) g- return 0;$ _8 Z1 l# O* d2 Z/ L) |
- }, f0 E# u' U/ r- m% h: L( T p2 o; ~
+ [' n' ^( T- e( f* C3 T# m& I- int main()
! v1 D2 ]0 C- ~( X K# n0 w; Q U' b: [ - {
, E' x: b) P8 b - char c;
6 ^* r! D" a( `2 D' W - int i, macs[6];
) ^9 s/ {: Y+ c* Q5 K - unsigned char mac[6];
, {4 {! Y) P3 _; V3 }% h+ g - unsigned char stbid[256];2 Q- U( _7 j" e/ Y8 l% V" ]3 E) l
- ' D" z& d5 P1 J7 u
- if (readparam(mac, stbid) < 0)
0 u; b o& ?0 _1 i - return 1;
: X" Z% U1 R6 M0 \
! U, Q7 c% d3 k0 p$ J- |- printf("Current parameters: \n");
8 O' @) j8 Y j# C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. c+ ?+ G! i( d
- printf(" STBID: %s\n", stbid);+ s v9 b( g A/ W$ K: {' D
- " I+ x! F+ _ H9 Q; Q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
" T- l* D) B) q8 [* d4 g) H - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) a1 H- C( m/ r& _5 K7 W
- printf("Input MAC error\n");
; M. b9 v- P. V. X, m! y8 o - return 1;9 ]. K1 G; c7 h9 @
- }
% R, A8 V' I- l! Z - for (i=0; i<6; i++)mac[i] = macs[i];5 B$ g/ k ^* T, F$ a Y
- printf("\nPlease input new STBID: ");
/ e' J! |* n" b, j) q - scanf("%s", stbid);- H. Y1 U$ W' U- l& D. U9 m D
- if (strlen(stbid) != 18) {
# ?" _! G4 a- w+ I& E, T - printf("Invalid stbid\n");
3 w: S3 K( `4 h1 x7 e. u' K - return 1;
3 S d! X& S# b9 b: x9 ^ - }1 y r6 E; {5 n6 s6 H' k
- printf("\nNew parameters: \n");
4 e- J/ _6 w- X1 r8 @& v) ]% G- O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# q2 @9 x7 R& ~; }. T# A. S' u$ W1 k - printf(" STBID: %s\n", stbid);& Z' K4 Z# @; W) E a# _3 l
- / w. |& R* H' s/ B* @# H
- printf("\nDo you want to change paramemters? (y/N) ");
3 i: Z) q- ?3 j8 t6 Q - for (;;) {- _- p. Z1 q, a7 g- |$ j
- c = getchar();
* A! @4 b3 F3 H# T9 ~( i - if (c == 'y' || c == 'Y')
& c7 Q4 J/ T) i9 w - break;
~7 Z" Y2 g1 N/ o( Y# {6 B V1 l$ A - if (c == 'n' || c == 'N') {' S. Q" j3 ?$ ?, z
- printf("\nAborted.\n");% X( \, u7 ~9 X' R$ i8 G1 [5 @; y0 c
- return 1;
2 e2 B! e' o$ A: s - }
5 b* \1 |. F2 p7 K& d1 f8 w - }
2 t1 o# q: J' C/ \/ } - if (writeparam(mac, stbid) == 0) ( b& I7 T9 c9 s5 }+ T# F
- printf("Parameters changed.\n");1 r# x v( ^" d" E+ g* l
@ A9 t; \1 y6 E5 c b! D7 K- return 0;& K, }7 v6 E* o4 W2 d y$ |: ^1 f9 C
- }
复制代码 |