本帖最后由 0522 于 2012-3-21 23:04 编辑 : | ]1 i7 a( |6 M2 T; @. ^: P
5 V: E: b) D3 l' x# B+ t修改的代码早有了。到今天不会编译。
0 }: |" C! u' w' Z8 |: T8 s* Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 O/ t, b: {1 Z P - #include <malloc.h>( D. U$ c4 N- J/ q* Z0 o. q
- #include <sys/types.h>5 n+ {3 @* A" G6 v. z, P% U l& N
- #include <sys/stat.h>
9 V. L5 w$ D; w% w9 ]' E" O5 p6 y - #include <sys/ioctl.h>
& K$ W$ c* _2 k* g2 M/ P - #include <stdio.h>9 L: d: X' ^4 h3 X+ Y) x
- #include <string.h>( h8 y. ^" D6 ^
) a f; Q: l1 e% G' ~# k% ?- typedef struct {! N! y+ r4 Z- H, s
- unsigned int e2prom_cmd_sub_addr;
, f7 S5 i4 e+ z, { V* Z - unsigned int sub_addr_count;
/ g8 @( U, }4 }7 W7 g - unsigned char* e2prom_cmd_data;
$ G9 S4 i: \2 X1 x0 ]9 {3 M Q - unsigned int data_count;
! C3 h9 |+ u+ R! ] - } e2prom_s_cmd;! T' r5 x* k e: M" X
3 r$ t+ ]; }" d8 S$ P, B" }7 D- #define E2PROM_CMD_READ 1 R* `3 A+ @$ v2 R! C
- #define E2PROM_CMD_WRITE 2
( o( N! H2 ~1 N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( ~) o D0 }5 D. D2 E2 {3 n& K
- % p! W0 o/ f' b
- static int readparam(unsigned char *mac, unsigned char *stbid)
2 T9 {0 U" Z5 x. b - {
/ A# c D/ i* [ - int fd, ret;
9 X- x. W4 r/ N2 b+ K6 T; v: ] - e2prom_s_cmd arg;
) }- V' K8 {) \7 q2 l; U - unsigned char buf[0x18];$ V% }8 `' M! \3 f! H7 W
- 8 l0 K9 L0 R& t- {( n5 J, F
- fd = open(E2PROM_DEVICE, O_RDWR);8 A+ @) {( Z* n$ u" M
- if (fd < 0) {
, p' n" Q$ f9 x - printf("Device %s open error.\n", E2PROM_DEVICE);5 ]3 ^) G: v Z/ _, I4 r
- return -1;6 g( I# E, V; d% x: B) L* P: Z
- }! L& m* Q3 V2 D, f7 o5 H) G
- arg.sub_addr_count = 2;
) \2 ^$ ^' K9 h5 D( ~' H/ j1 h - arg.data_count = 0x18;
& R4 A5 r" @" P# b: V - arg.e2prom_cmd_sub_addr = 0x290;) [2 A* g* [. Q0 L' P' R
- arg.e2prom_cmd_data = buf;: v \* z7 g" P9 X- ]; X2 p$ h% m
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 ^2 e: j3 n) T+ T3 p2 r1 j' R - if (ret != 0) {
6 {% i; x5 @* x( L, t6 z# ~ - printf("Device %s read error.\n", E2PROM_DEVICE);
( S3 w8 N6 E, ? - return -1;
% h% t! w- N O2 P8 K4 h - }) F1 v6 P4 M D" D# q
- memcpy(mac, buf, 6);
! S) j6 g, @3 H9 u4 l) a - memcpy(stbid, &buf[6], 18);) }( M+ E5 \# T/ D# F' {, F
- stbid[18] = '\0';+ ^, ^9 a& d9 ]9 [: ?8 J2 f# x
- ) e- l. o" n$ u$ T
- return 0;
! i3 [& V& \. W - }
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, }; z! j; J0 R; i# j! Q- static int writeparam(unsigned char *mac, unsigned char *stbid)9 n2 L& \; c8 o+ r) G1 b
- {
' T2 e0 [8 O! }6 D4 G. [9 F - int fd, ret;9 _" A# Q: H7 n' ?
- e2prom_s_cmd arg;
6 k0 x3 I+ u( |0 o- ]9 n - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);8 g" S6 o. I6 o9 K1 r+ S7 u4 Z
- memcpy(&buf[6], stbid, 18);
) q h2 U% l5 E3 X - fd = open(E2PROM_DEVICE, O_RDWR); J. v7 U* f. L6 S
- if (fd < 0) {
1 w8 U H2 C5 e& r4 F' W - printf("Device %s open error.\n", E2PROM_DEVICE);
7 r+ v! |5 ]6 Z' y. Q4 p - return -1;( j7 W4 L# y/ _5 Y+ s
- }
P' o1 @# w0 [4 n3 Q+ N2 |1 Z - arg.sub_addr_count = 2;! N5 n+ r; ^0 {0 h
- arg.data_count = 0x18;
; u Z. _' ?, @ - arg.e2prom_cmd_sub_addr = 0x290;4 I7 U: w& _0 n# G9 T8 m
- arg.e2prom_cmd_data = buf;
% b0 H3 Q5 r1 b$ a6 E. { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 ^6 ]4 C3 I& F, F1 e U) A/ C$ H/ _ - if (ret != 0) {8 Z; j$ U4 e2 ]4 R6 i
- printf("Device %s write error.\n", E2PROM_DEVICE);/ {' [& O, E! A) O; B
- return -1;
* w9 u0 Y R; ~! ?. Z( i: J - }
# n' \6 J4 V2 |) J) e, R
3 G: {5 _5 t* E2 A# y/ ~- return 0;/ h/ J" R" [, P9 ?! H1 t. s
- }
8 W, Y" s& S/ _4 V) w
$ E x3 q1 ?" V1 T" S- int main()
1 W; O& R; v8 p1 a, b- s - {
! k. d9 P. p$ B- a5 o/ t - char c;1 ^- |* f+ n: N5 y. l# {- Y
- int i, macs[6];3 }( Q7 M5 E) x: j
- unsigned char mac[6];& c" X% _4 b7 G0 R, d8 t/ ]
- unsigned char stbid[256];
5 E3 ~) U* z1 f( i* `
& I9 @3 P. s. D- if (readparam(mac, stbid) < 0)$ x1 @0 c# j n0 n* A) ]- E# q
- return 1;
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/ `# q! }$ E8 V- printf("Current parameters: \n");! O \1 q8 j/ W( S- g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! j- A- ?" Z1 |1 J/ X( J8 \7 b - printf(" STBID: %s\n", stbid);
5 W. L% u1 b" ?9 D# y* Q# ^ -
4 N, v5 h+ I4 p, X8 w7 I' O- ]5 a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& U% b8 Z$ L, X, N+ U" G0 s! ?3 i& T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ z1 q9 E, _1 W8 d - printf("Input MAC error\n");: L: `0 ~$ l2 o0 P" P& @
- return 1;% |" Q' l$ y& A/ ~$ r) r
- }
8 \3 g' T; a: W - for (i=0; i<6; i++)mac[i] = macs[i];
, X% ?; U( b' M+ s+ }" C5 L+ t - printf("\nPlease input new STBID: ");( j0 @# ^5 s! w& s$ {, N
- scanf("%s", stbid);
6 v6 ?3 u' q- f9 O0 Y - if (strlen(stbid) != 18) {/ P3 O( @5 d1 r0 d( |# ]
- printf("Invalid stbid\n");' W% m( G8 n: @1 n$ R
- return 1;- t( B# {: z2 L% ~
- }+ q. i) b6 Q) ]
- printf("\nNew parameters: \n");5 x/ `0 d( M- A1 M H/ j, \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 p4 v C5 \( P& H2 D5 p
- printf(" STBID: %s\n", stbid);
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. R1 q$ }$ ]0 }5 _9 l- printf("\nDo you want to change paramemters? (y/N) ");
% y o) L5 M1 M2 J$ ] - for (;;) {
% n7 L9 J; k, u% u: H9 x( s/ D - c = getchar();4 Z( H( o2 I; k \
- if (c == 'y' || c == 'Y') n8 S, V8 P4 U
- break;, ^5 z7 P P) T; a2 F3 D
- if (c == 'n' || c == 'N') {& u s* ?, O8 M) e
- printf("\nAborted.\n");
" b! {2 L2 U+ F$ z6 x - return 1;* g0 `8 S+ V' m4 n% A. Z
- }
8 P4 z5 s D% o0 x2 M- A I. H - }
: u T9 S) a" I/ n8 Y - if (writeparam(mac, stbid) == 0)
3 h" y0 U9 U8 w! K/ Z8 ~( f - printf("Parameters changed.\n");# G8 ?) l9 `. X9 M
- ( u2 b0 ~5 p; @( i' X6 ^; F
- return 0;
& S0 m" u0 [+ i2 Y1 e9 q3 l% S - }
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