本帖最后由 0522 于 2012-3-21 23:04 编辑 / I6 z: J1 J. b! C
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修改的代码早有了。到今天不会编译。
3 e( W$ Q3 F* O3 [3 E& [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 k0 [6 {2 c3 Q5 h8 t: ` - #include <malloc.h>; f/ ?. Y9 s0 ]; u
- #include <sys/types.h>) a$ U7 s+ z3 p* n4 D( X9 X% S
- #include <sys/stat.h>& `1 |* a N% l4 E ]
- #include <sys/ioctl.h>+ V8 Y2 D8 k% r9 Z/ X9 R/ N; s
- #include <stdio.h>5 ~! a/ Q7 U1 D, c+ \1 o
- #include <string.h>
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- typedef struct {( Q% P+ [3 m9 \" a; \6 `0 w5 T6 d
- unsigned int e2prom_cmd_sub_addr;
: ~: H4 @ ?1 J) p% Z - unsigned int sub_addr_count;. B& e5 A( ?" _# S3 Q
- unsigned char* e2prom_cmd_data;
5 c7 ?3 D z |0 ^% S4 L( ? - unsigned int data_count;8 G7 X7 I& F- B, ^& @1 _- M
- } e2prom_s_cmd;7 f1 t! g' t+ e# h" u
- + G6 y& Y Y8 \9 A
- #define E2PROM_CMD_READ 1. z* U0 F4 H: y! N/ P
- #define E2PROM_CMD_WRITE 2
2 K+ B+ d+ \' A( I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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+ W) U& g, g8 L- static int readparam(unsigned char *mac, unsigned char *stbid). ]. D# K9 G) j @
- {
& p6 L8 a/ \0 f2 k - int fd, ret;
; |# D. q- n+ U# L1 @ - e2prom_s_cmd arg;/ m- I5 N) {6 {' K, f) t1 u; ]
- unsigned char buf[0x18];
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& _7 `$ ^& R; \3 \* \( z- fd = open(E2PROM_DEVICE, O_RDWR);# y8 a) N% Q& X* Q
- if (fd < 0) {! h( T& G L- y+ @
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 {, J2 ?& W/ l: T& z; o - return -1;
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- arg.sub_addr_count = 2;9 W, Y1 \+ j- @
- arg.data_count = 0x18;
( J8 `! c6 B: e& r - arg.e2prom_cmd_sub_addr = 0x290;
( }. x! h' F% ]7 n. Y; v- h" _ - arg.e2prom_cmd_data = buf;
0 I+ | P3 [5 ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- A! V; D) h0 w2 `% {* y
- if (ret != 0) {/ w7 J7 ^, f- }- t f
- printf("Device %s read error.\n", E2PROM_DEVICE);
; p. o- g4 Y% p - return -1; w( P% m" f; x- ^* j( g, J' n
- }
) N7 P& L; |6 B3 E; | - memcpy(mac, buf, 6);
- j$ s8 f6 I* _4 T, e: O - memcpy(stbid, &buf[6], 18);/ c3 ~6 g0 `6 k" \' M1 b6 `% n
- stbid[18] = '\0';
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- return 0;
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- ! \7 |2 y$ d/ u+ V* z4 @- _. v
- static int writeparam(unsigned char *mac, unsigned char *stbid)
, V/ |* _' [3 M' d- S' S - {
: t9 q/ _- M, F& |2 c3 [ - int fd, ret;
* l# w1 [0 \1 R" C. v7 N - e2prom_s_cmd arg;; P) [# _! @2 o; z2 `8 N$ u
- unsigned char buf[0x18];5 m7 _' A8 Q5 r/ ~
- 1 I: B1 R I/ ?) W* A) y/ m
- memcpy(buf, mac, 6);
2 L4 G. `5 E# ^9 ~+ r - memcpy(&buf[6], stbid, 18);) ?5 X! T5 x" F q: T& F
- fd = open(E2PROM_DEVICE, O_RDWR);
' d. C" N9 d; a# r N% F7 C- ~2 }+ M2 P - if (fd < 0) {
7 o6 f- [- g/ m. r - printf("Device %s open error.\n", E2PROM_DEVICE);
2 H& g9 E! o+ T# q$ u2 b/ |% o - return -1;
# [! l {- I" E7 N - }' ^0 w$ C# T2 g+ s5 v( k
- arg.sub_addr_count = 2;
5 M" g9 u3 k6 |" Q8 Z! I - arg.data_count = 0x18;8 {2 ] ^2 w2 f1 A) N
- arg.e2prom_cmd_sub_addr = 0x290;
: ?) s5 f0 d [# F5 }: N - arg.e2prom_cmd_data = buf;
% U: Y7 R& w# p& B T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. `9 y' Z W4 U: N* i" X - if (ret != 0) {9 O, v- g6 U9 }( ]* Y, D1 E! m
- printf("Device %s write error.\n", E2PROM_DEVICE);1 \4 |8 k' D2 `- l% k* Y; E: g
- return -1;. N, f: P0 V: S# A0 L! T
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3 ~5 F0 m2 h7 n* r( T/ @- return 0;
/ `9 @9 j S, G% I* P& h - }; o; ~2 ~- [& ]) C1 X
. H: p8 D. I u0 g% v, ]; I8 d- int main()" W1 V+ c0 Z1 G( k
- {
. c0 N% p. V$ _ F - char c;
# O4 }6 a( M. v( R2 B0 O' k, b - int i, macs[6];
) J2 O8 j% u S - unsigned char mac[6];* K1 G1 |0 x* `& H# p; T8 B
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
7 A4 K& [' \' T) T - return 1;* N4 l0 K5 _5 B' Y e8 d" d
- ; r4 ^, j& M$ _3 Y( E
- printf("Current parameters: \n");, N/ O% }9 a( V/ K, R7 q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 [- _! \8 a" q6 c" u
- printf(" STBID: %s\n", stbid);# e% S! c8 f. ]# a( q6 o
-
0 h6 u+ B; E0 U6 j4 O - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 A4 |$ r4 p9 X/ \ s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- I1 r' R/ e: N# D; [* ? - printf("Input MAC error\n");
L, a# r8 U; T( n# F+ C2 t5 F - return 1;) u4 y" J+ j+ p5 x
- }* N$ Y* A' _% s- [
- for (i=0; i<6; i++)mac[i] = macs[i];
1 e* p; d$ {% I& Z/ T: N6 s - printf("\nPlease input new STBID: ");" @3 a4 c, a! \" [
- scanf("%s", stbid);
+ h8 Z" R6 r4 a5 `- q# c6 x# J$ b& D - if (strlen(stbid) != 18) {4 D1 C8 f j: \+ c- u, N/ v" I
- printf("Invalid stbid\n");) i2 C x* |9 x# W9 U
- return 1;1 G5 M6 x8 D+ |2 H3 J8 C
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- printf("\nNew parameters: \n");# K, E# c$ x1 {. a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 u0 `7 w( k8 y3 f: Y
- printf(" STBID: %s\n", stbid);( d! G9 z4 Y' _. y r
- + A& F* @; X( h% M; @- e' ^2 w# e) m
- printf("\nDo you want to change paramemters? (y/N) ");
. k6 S* x( |6 D' z# s7 L - for (;;) {# l- o3 I7 H+ g1 Y3 k
- c = getchar();( Y% x6 Y+ s+ Y" I1 r1 N' s' [/ E& [
- if (c == 'y' || c == 'Y')" a, K6 b5 w; d. x* ~- f
- break;9 d/ z! T9 p# U" j m f
- if (c == 'n' || c == 'N') {( o3 L% J- }- F; U
- printf("\nAborted.\n");
1 I; b. O# ]1 Z - return 1;
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* S- p$ j1 D$ `' }+ D9 x - }
& s" ?- U) O5 u5 u - if (writeparam(mac, stbid) == 0)
5 n8 S) n r# E - printf("Parameters changed.\n");
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% P' ~/ @) x( R! W: C3 f- return 0;
+ W% P, l5 c7 [% f3 }: b% m - }
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