本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
$ r' h5 J' v0 @9 E' C" u# Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) T0 S/ l5 Z* F1 e
- #include <malloc.h>
6 u* T3 Q4 G I - #include <sys/types.h>
4 B) [) h" ^: } - #include <sys/stat.h>- X7 Q5 H( s/ P8 w
- #include <sys/ioctl.h>% ?$ m3 e0 A# ^. }- Y, h
- #include <stdio.h>
" f& [% _# [$ H' S! d - #include <string.h>" ^+ z/ V% E" B4 ~4 X- E9 z0 @6 {
- + f+ J% p0 ^( D4 p
- typedef struct {
' `1 E4 ~- V" n5 I1 b2 C - unsigned int e2prom_cmd_sub_addr;
" w& m( b1 r F7 Y5 W. a9 l - unsigned int sub_addr_count;
0 j- e" }' [) L0 ~+ ?$ ] - unsigned char* e2prom_cmd_data;
$ C; e1 l. M3 T6 P9 \0 B4 h9 L5 R. d8 c - unsigned int data_count;
% c$ f& D* V! I' Y6 y" L - } e2prom_s_cmd;4 P7 p2 ~# _8 m% A% I6 f
6 n. e! k1 G& F& b1 Q# [6 G! j$ |+ \- #define E2PROM_CMD_READ 1+ e5 `5 a% g3 A
- #define E2PROM_CMD_WRITE 2/ D5 n, b. {" |8 {
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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( i: r& n1 v* S# D( O- static int readparam(unsigned char *mac, unsigned char *stbid)
9 _4 u/ p* d% q0 ~ - {
) Y1 U5 H4 V/ _% D - int fd, ret;7 o9 n' T" q' f
- e2prom_s_cmd arg;
: [5 N5 @+ N& {% r. J4 ]* }$ O - unsigned char buf[0x18];8 D# t- Y2 {6 |5 V
- 9 S- Y3 C/ k- r/ y" m# Q v- q8 Z
- fd = open(E2PROM_DEVICE, O_RDWR);
+ s$ G2 F7 t6 t. Z& t4 _# f1 n+ w - if (fd < 0) {
- K9 P8 `* D- _' [# ~, ? - printf("Device %s open error.\n", E2PROM_DEVICE);% H1 g2 F) Y+ E0 J$ q% B
- return -1;1 n- c7 E3 n% m& q& F) g2 _8 S
- }7 n% c" f& U/ H X9 y1 B
- arg.sub_addr_count = 2;
8 L( \! O9 O3 X, R9 } - arg.data_count = 0x18;0 D6 j9 u$ u; Y
- arg.e2prom_cmd_sub_addr = 0x290;' o, Y; r: M( @3 u9 L% X6 t5 H
- arg.e2prom_cmd_data = buf;
M! v$ L, Q g D- w. I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* Z2 D; `5 E7 K2 J6 g - if (ret != 0) {
O R0 {' V7 D( _+ [4 y# ` - printf("Device %s read error.\n", E2PROM_DEVICE);
) y5 k' }; W3 @1 z - return -1;
* h) \% W1 o4 U6 i4 u" I - }
b; I) O p6 v& @: T& @, T - memcpy(mac, buf, 6);1 E8 Y+ _, Q: H7 R$ E# B, u) }
- memcpy(stbid, &buf[6], 18);/ w; l G% e6 a( k
- stbid[18] = '\0';& b9 t8 G+ J; k* t: |
4 G1 s0 S$ y. {4 A- D' O6 Z0 C- return 0;
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! N0 _9 G! P# F/ P- static int writeparam(unsigned char *mac, unsigned char *stbid)
- ~) g8 A: ?0 F - {
) f4 @4 r4 b& H1 B# @; G - int fd, ret;# T" m0 Z, u, e% b' X) H' T
- e2prom_s_cmd arg;
( m2 x$ o& y O, t* @" D* f- E3 o - unsigned char buf[0x18];
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" S- W+ F6 l1 V. w- memcpy(buf, mac, 6);2 e. L$ W( n1 d& b1 V! r
- memcpy(&buf[6], stbid, 18);
' f6 J* L, M5 f E7 X2 Y* P - fd = open(E2PROM_DEVICE, O_RDWR);( N6 ?" n. n9 U* `/ i( Y+ p0 F
- if (fd < 0) {2 T$ ?# k3 ^* n; ]
- printf("Device %s open error.\n", E2PROM_DEVICE);& C9 W$ P& \( N
- return -1;5 g% i3 s5 f' k' V- q3 M
- }
s9 x! w! X. a6 L6 _- L$ m - arg.sub_addr_count = 2;1 Q0 {5 v3 g$ `; q0 K W6 ?) k
- arg.data_count = 0x18;8 M+ d: N% k. ?+ Z( {- G
- arg.e2prom_cmd_sub_addr = 0x290;: T4 d8 m) J8 ^6 k! N6 P" H
- arg.e2prom_cmd_data = buf;' F$ ]% {7 W: C! p
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 j& Q# _- K( B, @ - if (ret != 0) {
+ a& h8 {% F( Y8 V4 K6 _ - printf("Device %s write error.\n", E2PROM_DEVICE);( ^$ i* J' N1 T( @2 G0 D
- return -1;! b( N2 A, E1 \
- }
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4 `# U T$ f" v7 w- return 0;
& Y6 Q# c e+ _+ \ - }
+ {" w. Y- G `
: s0 e% M3 y( G& L9 ^7 N+ Y- int main()/ j4 Y* J5 ?" w c7 j. l1 f
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- char c;9 z e6 P" ~& I' l) P
- int i, macs[6];
3 e6 h/ m' p% |& p3 I$ x/ o) A - unsigned char mac[6];/ w9 E, T: u% U2 Z9 S1 S! u
- unsigned char stbid[256];
# i$ o% `3 U% d8 l: d - ! ^9 D: F+ h4 L4 R% u0 K1 O; B' M
- if (readparam(mac, stbid) < 0)
5 Z$ d* z4 c# L: U0 n - return 1;! x- Y a- t0 R- E" m" [
- 6 C) s& v# C: i% B, ]
- printf("Current parameters: \n");
4 d q( Q% E7 Z: q4 `: R" L/ r% O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( H% ~- y9 p1 f: A' Y: I, A4 h
- printf(" STBID: %s\n", stbid);
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, C s- f9 [/ Q) P$ d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 ]5 o; D* X* F% g9 l2 X% g7 h7 W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 P" [, y- } x, K6 s - printf("Input MAC error\n");
1 Y/ n" x- Z: K, i - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
$ _. _5 y# h( y+ o# } - printf("\nPlease input new STBID: ");
9 d/ e$ D: n& [ - scanf("%s", stbid);
: J: a3 V; ^5 a9 `) V% j( [* o: O - if (strlen(stbid) != 18) {( m" y5 S8 V& ^0 R
- printf("Invalid stbid\n");4 V! i0 n' T$ x1 E, p$ y5 V
- return 1;1 [7 O+ }6 @$ ?" w4 G
- }1 [2 `$ y5 ], E
- printf("\nNew parameters: \n");
. w/ n- I( J/ v2 Y7 A9 y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ [& g. t6 J- P4 K6 j; e. \ - printf(" STBID: %s\n", stbid);
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9 t* s) X! Y, {& H4 G- printf("\nDo you want to change paramemters? (y/N) ");
$ `1 z5 g# c- F- f; _ - for (;;) {
! _ o% ^, e% h0 j- q5 { - c = getchar();$ B: V+ a) c0 [
- if (c == 'y' || c == 'Y')
9 [: j3 R) w9 f7 z - break;4 J: `- Y2 p2 N; w& n4 x. a- R
- if (c == 'n' || c == 'N') {( c1 t! b- z' c) T3 u0 k
- printf("\nAborted.\n");3 U/ B7 s5 C, E/ o% X
- return 1;
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- }
; O, q4 [$ I7 D8 N - if (writeparam(mac, stbid) == 0)
& S3 ^. b9 A. ^9 B5 n" \ - printf("Parameters changed.\n");, q3 a; C. d( i# y/ |! w# L
- # D. i, |6 T: c) s9 P7 ]" u
- return 0;
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