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( u% k7 @. a/ P8 c, m8 l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# {4 X( p9 e+ M0 E; S$ Q* ]9 } - #include <malloc.h>/ T6 [ t- i9 H! I( u7 v3 W
- #include <sys/types.h>
8 [9 Q9 M# U1 o# V3 z1 q - #include <sys/stat.h>
/ ~- z5 |8 T T! ?$ B2 l - #include <sys/ioctl.h>0 C1 l2 ^/ g# x. B1 Y. |3 S
- #include <stdio.h> ?% M& |* N+ N; u; G
- #include <string.h>: Q0 ?! U. ]% L u8 ?& M) I5 g d
/ r: e! W* o' L- D; c- typedef struct {
5 ]0 m0 v6 g! w% w. g! R/ ? - unsigned int e2prom_cmd_sub_addr;
8 m" m2 U0 F! x+ z3 {5 g, { - unsigned int sub_addr_count;; y0 j* s; q/ u/ `5 ^7 U0 E
- unsigned char* e2prom_cmd_data;
$ B: ] L( \8 [ - unsigned int data_count;9 \3 F3 ~! r0 E# \, ^: ^
- } e2prom_s_cmd; W" c1 C! d1 z5 }# w
, a h6 E! @8 Q* q- #define E2PROM_CMD_READ 1' a% d5 O& G) |5 ?4 ~$ o- g
- #define E2PROM_CMD_WRITE 2
( x$ }4 S0 O: U U. L8 a# a8 V* S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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7 {9 {/ W5 B# e- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
9 E$ g5 @! A1 Q8 \: V# d2 B" C: j) Q - e2prom_s_cmd arg;
- G \( J# N$ G$ V8 ^# h - unsigned char buf[0x18];# n) I& F1 q5 ]: K; l V4 U' }1 ]
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- fd = open(E2PROM_DEVICE, O_RDWR);
& {" n( g% R6 A* D8 s! _8 D& y - if (fd < 0) {3 O2 ?& c: w; w1 Z3 D) H
- printf("Device %s open error.\n", E2PROM_DEVICE);' d% R$ X9 {- V9 T1 F3 E: j
- return -1;4 ]& v1 Z9 G/ z @- S; q
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- arg.sub_addr_count = 2;6 |! R( S5 L5 _. X9 z1 c
- arg.data_count = 0x18;' ~0 X3 y3 E* |$ k( y
- arg.e2prom_cmd_sub_addr = 0x290;7 v" F5 p2 N) \% L! [$ K* X" o
- arg.e2prom_cmd_data = buf;
, Z/ a4 p+ B; T2 J( m: \) l- N1 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);; a' e7 l0 m4 F2 l
- if (ret != 0) {
1 ^; W/ m$ X" f/ e) b7 |6 y - printf("Device %s read error.\n", E2PROM_DEVICE);, E# n7 k' W" d' q* j1 f) q
- return -1;
8 {* [8 [5 P" e9 g6 d- D - }
1 c- h" Y/ M5 X! i( e- K' Z3 l7 H - memcpy(mac, buf, 6);5 {+ O$ e* g. b) N6 Y6 ~- c
- memcpy(stbid, &buf[6], 18);; \% ^+ y- Y: ]
- stbid[18] = '\0';# l3 M, |% u! ?9 v" k$ [
* h) ~, }; g& p( b: Y' t- return 0;8 B0 |9 o8 n2 F$ H/ i: Q$ h9 e
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- , ]+ q; C3 `& M/ {
- static int writeparam(unsigned char *mac, unsigned char *stbid)/ Z9 K6 k# p. r2 i
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- int fd, ret;* W* u8 l3 w% | J: {9 v* s- s
- e2prom_s_cmd arg;
% y e5 C4 \% q; W- |5 N% j - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
6 k6 w) ~+ H! u' S; q6 r; ? - memcpy(&buf[6], stbid, 18);8 ^ V4 [$ {/ O8 y, `
- fd = open(E2PROM_DEVICE, O_RDWR);3 c/ [6 Z4 @7 z7 r% @5 K2 k# B
- if (fd < 0) {
2 A5 h+ ?8 d5 j4 S; C) f - printf("Device %s open error.\n", E2PROM_DEVICE);
, p; _8 G& U9 [+ D, k$ y, n - return -1;
0 C# r. J3 Q& H5 a9 \5 t - }2 y2 \- |+ ~1 U1 s0 j. [+ u" X1 X
- arg.sub_addr_count = 2;
1 u9 X, }# y2 S( G8 J9 _( ]+ | - arg.data_count = 0x18;
6 T) T& {$ y0 x1 O- a7 N6 Q9 @ - arg.e2prom_cmd_sub_addr = 0x290;
7 F9 u! ]: o' s7 p - arg.e2prom_cmd_data = buf;6 \+ l# V' A, P- M' c; N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 H" `/ J2 W/ J$ |9 i - if (ret != 0) {
) y# y$ t; I* O1 j' t - printf("Device %s write error.\n", E2PROM_DEVICE);
) T9 A" v" ~$ K9 c" K - return -1;6 |) }: h! r) ~. {8 y* a* o1 D
- }
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- return 0;
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- int main()
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- char c;
9 I1 ^: L: @3 N" f% a - int i, macs[6];7 K! g4 ^! q6 k; H8 ]% q
- unsigned char mac[6];
( G: ]" @3 B' Z4 V) a. t5 b8 x - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)7 r8 @& N- |- g/ B2 y, g. D5 {
- return 1;
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5 P& {. m" h( R3 Y/ H. z4 z- printf("Current parameters: \n");) ]$ P1 d9 i3 H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 p2 C5 J* A* o- ^" m' \7 b, K
- printf(" STBID: %s\n", stbid);# o& J/ Y3 n' _& n0 O
-
0 E0 v3 ?7 U1 N1 V1 e, G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) ~' Z7 \" F6 \# {$ L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 x! g a/ z) P) N$ N3 `/ N! w - printf("Input MAC error\n");
1 ?7 l6 s ?, F F' I @! d - return 1;' n/ B( j% i! N, y$ s+ j* D
- }
: {3 s# M2 l0 E; l - for (i=0; i<6; i++)mac[i] = macs[i];4 x* U- N' P3 m8 n( K- M1 |+ L" Q* U
- printf("\nPlease input new STBID: ");
( H: M, _2 j( w6 I' C* r* D - scanf("%s", stbid);
6 T6 C; X: z# p( L5 K( j! Z. T% j - if (strlen(stbid) != 18) {
; y/ |( ]% O3 @! j [ - printf("Invalid stbid\n");, A3 W% Q: z2 y3 B( [
- return 1;
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- printf("\nNew parameters: \n");" K) P* W' F' k) c W) z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. `# u7 ^& Z' R! t- Y1 `: Z# T& k - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
3 o; A: ^8 g9 P) Q( E6 j) L. Q - for (;;) {+ \+ Y8 X) a6 T% Z5 {& y5 [9 S, [
- c = getchar();
0 i) X9 [5 e' |6 X- B - if (c == 'y' || c == 'Y')
( t, ]5 i2 C i: |) D - break;3 t1 T; N# B$ I3 [
- if (c == 'n' || c == 'N') {0 ~8 j& s) M! k- B" @3 [4 h
- printf("\nAborted.\n");8 [" r, D; F# O0 }, H9 ]
- return 1;
, D: i1 b7 L. E" j. G8 d - }
6 [8 @; }) k2 U$ Q6 D) p' f. u - }
. P% V* j9 Z( s6 g+ b6 {# @ - if (writeparam(mac, stbid) == 0)
* t3 }" d, ?( c$ @9 u3 x* [; j! X - printf("Parameters changed.\n");& Z3 g7 [: W1 r" k5 Q8 _( k
& }6 G( B2 X8 F0 }% t- return 0;
& ]; C9 g6 c1 _) H% S V4 c - }
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