本帖最后由 0522 于 2012-3-21 23:04 编辑 * D5 L( T3 Z# O+ W2 [0 _
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修改的代码早有了。到今天不会编译。
5 y8 w4 X! V5 u: g! F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, }2 K) h6 W# R2 @# B# n7 p+ w6 |6 V - #include <malloc.h>9 _" e4 ]) I& q6 W! g
- #include <sys/types.h>
) @( V2 l- r, {. T( t - #include <sys/stat.h>
P1 }7 n) u& }# Z& m! u7 V - #include <sys/ioctl.h>0 S2 M0 s6 Y8 B* N- G9 [
- #include <stdio.h>
5 L. R# {. n, B: N3 u* s' Q - #include <string.h>
2 C; \# E2 V$ H" \
5 p, X1 M. D7 K N- typedef struct {
1 s: D3 y& r; m: w8 W - unsigned int e2prom_cmd_sub_addr;
* q9 s+ y( x3 D C5 U - unsigned int sub_addr_count;
! Y5 B7 ~* O+ F5 O - unsigned char* e2prom_cmd_data;
" C2 i& W8 _0 O - unsigned int data_count;: `( r7 d7 l, d+ }0 L% b
- } e2prom_s_cmd;* |( E4 V; I- x8 W# [- I
- 4 n7 ]4 N+ p1 D' m
- #define E2PROM_CMD_READ 1
" q7 Z3 a/ @& C ?% X - #define E2PROM_CMD_WRITE 2
6 \6 G& }6 v8 k# ~ M! Q7 S* t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 P5 G0 I+ P# U. N
' y; u( Q W+ o- static int readparam(unsigned char *mac, unsigned char *stbid)
6 `. t2 [# K% F - {" \! ] |- |. N: h$ |( {
- int fd, ret;
% [3 I( m: E$ f - e2prom_s_cmd arg;% d/ h; ?1 ?) d; A" {
- unsigned char buf[0x18];6 T D- x# J9 p$ A
- . D4 G& b' ]# X) g
- fd = open(E2PROM_DEVICE, O_RDWR);
- c. J, T0 u) H% R! \0 E - if (fd < 0) {
8 F5 Q/ p: D6 z" [( C! Y2 S - printf("Device %s open error.\n", E2PROM_DEVICE);% L: I+ l H8 d5 B, g
- return -1;: d0 m: U: c6 x( j6 b
- }
: x5 @5 P( d; z9 d - arg.sub_addr_count = 2;% S1 ^$ ^. {* ]' w, t# t: ^
- arg.data_count = 0x18;
, e6 z- n P6 r# G% q. Z- ^& P - arg.e2prom_cmd_sub_addr = 0x290;3 D+ B2 F0 f% o2 t& y
- arg.e2prom_cmd_data = buf;
* S! }/ \8 B" ]: y* j* G' q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; L& r( C1 D. [' e7 ? - if (ret != 0) {# y% _8 |2 k4 ]- w: h& ?
- printf("Device %s read error.\n", E2PROM_DEVICE);6 {- Q: a2 _( V* o! B( P9 I9 ^
- return -1;
6 R8 q" E7 D3 K- a - }5 n! b" y) B- i9 d% I5 d
- memcpy(mac, buf, 6);
' a( o6 z6 ?1 v8 H - memcpy(stbid, &buf[6], 18);
" S5 i8 C5 u6 V" d+ G, A w - stbid[18] = '\0';
7 S: e. c* Q6 j; p0 }
3 h* n' |( K- ^- return 0;
- U0 i! ]" A; J1 @5 } - }
; I8 M, o. j6 L4 Z/ C' ?" g' E
( n6 J- F/ |. h3 a% d- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 |/ e ^5 J, i7 \( `! c - {
( p8 ^5 _) J' ~( Y - int fd, ret;
2 y; h1 c: e: w1 ` - e2prom_s_cmd arg;1 ^! R) E$ G; c' i' [
- unsigned char buf[0x18];
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* x* [; C8 c- u. [5 |) }4 b N- memcpy(buf, mac, 6);, M( T- y) ?( {+ i+ ~
- memcpy(&buf[6], stbid, 18);
2 i$ p0 I( ~8 ?/ p1 v - fd = open(E2PROM_DEVICE, O_RDWR);+ M* h9 F8 B. U3 U3 g
- if (fd < 0) {2 u+ {; S) b |4 Y% u$ K' o* b' K
- printf("Device %s open error.\n", E2PROM_DEVICE);
. t3 T# L# D% \0 e; w - return -1;
7 t* J; r( K' q* q. }; I - }
5 O+ g3 A7 J Z+ [! I% G { - arg.sub_addr_count = 2;
; c# |# E, g7 x" u4 \ - arg.data_count = 0x18;: I& c9 r9 `# S. m2 S
- arg.e2prom_cmd_sub_addr = 0x290;
8 X' U& D6 c" C* J _! s$ [ - arg.e2prom_cmd_data = buf;
3 o j- g; b# k m- R ?, V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 a. u, e/ I: p - if (ret != 0) {0 S! y" n9 r( R5 ?' D
- printf("Device %s write error.\n", E2PROM_DEVICE);1 P2 K6 s T/ x' y. j
- return -1;
5 H$ r$ v# K: U9 g9 z! @+ N - }0 X* f/ W8 ]# w& l8 {
7 C, n7 k( |) _- return 0;. g" E( Z/ `& R2 @0 u' t
- }
- w7 c' }0 r( u0 o$ P5 ] - 2 c% M' J. t& b: j& B
- int main()7 _2 b* W! c- Y9 T) q* i
- {* j3 d I. O1 r4 i' P. ]
- char c;' Y5 u7 l9 D( s7 t2 v' l/ N0 {4 O; N
- int i, macs[6];; V7 ]; F: ?( d& s( _
- unsigned char mac[6];
/ _- l+ |, H) U0 j; c7 ~% v( E - unsigned char stbid[256];
3 N; E5 F5 X o" p
' d( Y6 G. ^7 T W- if (readparam(mac, stbid) < 0)
$ D S' F' s0 O- o - return 1;
( C! J( V7 @8 {0 w+ E
* L/ ^6 a! y, D# l' X! \) H6 }- printf("Current parameters: \n");- W" Q0 F# X; o' p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ T' l% |( }2 e+ u J% s8 o0 ~ - printf(" STBID: %s\n", stbid);
3 Z9 M+ c8 Q X, p0 j - : l7 r4 E( ^/ J( T6 w; X
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 d% _9 e" S( C# z- \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) H' {0 X4 G& o- N8 P5 D - printf("Input MAC error\n");4 G6 L c" m, F$ R, H$ z
- return 1;
X& K# b$ V' g - }" X, c" N& t2 T3 Z4 e/ [8 `
- for (i=0; i<6; i++)mac[i] = macs[i];
6 u0 u" o9 V; y - printf("\nPlease input new STBID: ");
, Q5 H, T" S: j4 C% Z7 M - scanf("%s", stbid);
7 M9 [! g: Y8 {, w" V! h - if (strlen(stbid) != 18) {" B, m; O# h6 a i9 \/ ~3 M' q+ }# }* V
- printf("Invalid stbid\n");+ G; [" I- S! \
- return 1;
8 P8 d1 \; q. j3 S$ h - }
" v4 {$ D0 ?% y' z! t - printf("\nNew parameters: \n");
( o( l9 F& l# u( [9 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 i# }: y9 {& P2 J# b) h' ^* s - printf(" STBID: %s\n", stbid);
4 _! N. x$ D* f* `7 j# `/ Y
* l: {* G% S+ K! j2 W3 q6 n- printf("\nDo you want to change paramemters? (y/N) ");
' `. H4 S& j5 n - for (;;) {- d4 ~' n i8 C5 U" `
- c = getchar();. I- E5 X+ _5 u. N" `
- if (c == 'y' || c == 'Y')
8 j. @- g0 `1 v - break;6 v3 L" @( T' X9 V- X# E( W
- if (c == 'n' || c == 'N') {$ q9 Y; s, E# o
- printf("\nAborted.\n");
6 Q- }4 I6 H4 N: x: ]0 O5 Y - return 1;4 h# i0 O2 w, f2 g
- }* d0 l/ e% N" j6 u% t3 C
- }
" f* I4 A( g, J. ^& a' N% r - if (writeparam(mac, stbid) == 0) ! ~9 h3 O& ?9 q( J: {
- printf("Parameters changed.\n");& M P0 G- c1 M8 v E
- 1 y3 I: R3 ^; O' i/ I% O1 x8 y
- return 0;
5 T# E k e6 A2 |6 S/ M2 K - }
复制代码 |