本帖最后由 0522 于 2012-3-21 23:04 编辑 % d+ P5 w2 Y9 R# s
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修改的代码早有了。到今天不会编译。
) I) M6 S# M) n. B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, ~- `% e( g* N, Z {: E4 p
- #include <malloc.h>8 j3 [4 p0 I5 P0 Q5 l; S) P+ N
- #include <sys/types.h>
9 W) E( g! H7 p; H" E* r" f - #include <sys/stat.h>
8 e3 X" @3 D/ g9 ? - #include <sys/ioctl.h>
: b2 q, c$ \7 W, ^' y6 b! i5 V6 z! Q - #include <stdio.h>
% T. P* X. z( C8 h; J+ ?6 H - #include <string.h>
- A2 T P3 `8 R# n2 { - 9 l2 ~( y! w0 D0 ?
- typedef struct {% n% W4 ^$ d" f6 r; R+ {+ @
- unsigned int e2prom_cmd_sub_addr;
6 S6 o9 }4 A4 G" P - unsigned int sub_addr_count;
. r1 j+ n6 x# \ - unsigned char* e2prom_cmd_data;
0 a5 B2 L$ ?0 N: P4 L8 Z1 `! W - unsigned int data_count;
: B- o. k4 V) ^% g - } e2prom_s_cmd;6 B9 _2 J; O. F9 G2 |6 K
- ! {( _# B7 f% a2 x/ l) j
- #define E2PROM_CMD_READ 1! m+ `- n* d- n+ ^- ]
- #define E2PROM_CMD_WRITE 2
! C$ |* i1 R* V# y3 |8 V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
4 o4 A8 J$ f2 S - ) E. }% s1 g2 o3 t8 ^
- static int readparam(unsigned char *mac, unsigned char *stbid)2 s' s$ H: u5 N; N( h2 K t
- {
7 k7 l# g* A$ L9 }) R9 ? - int fd, ret;
0 }/ D1 ^6 y& N6 S# {5 v/ u& o - e2prom_s_cmd arg;9 D( k# {9 w S& W- t. F: B
- unsigned char buf[0x18];
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' w, j$ r1 C* V" e- fd = open(E2PROM_DEVICE, O_RDWR);
* ^' \8 I( s. s - if (fd < 0) {( r& U7 N+ M+ _- x# ?8 q
- printf("Device %s open error.\n", E2PROM_DEVICE);
m5 _% A& K% ?# H; o - return -1;5 L6 Q* f# U3 G8 [: T3 L8 q, j
- }) V) X: P' q @& U( [. z8 @+ s
- arg.sub_addr_count = 2;& h( v5 b. ?/ K) z3 G
- arg.data_count = 0x18;9 H& U) p) |$ j5 R
- arg.e2prom_cmd_sub_addr = 0x290;
, B( ~9 ?* V* S! s% G/ ?3 S - arg.e2prom_cmd_data = buf;) c( D& {; T6 c3 N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 C* F6 K8 a: ^# s5 E
- if (ret != 0) {
8 p0 y0 E7 K' s9 B# G- {, t& n+ p - printf("Device %s read error.\n", E2PROM_DEVICE);
: A& ~/ ]1 I2 P+ D/ S - return -1;
! C2 I2 T# b: E+ \+ D - }
, ~) @1 W: z% f8 F - memcpy(mac, buf, 6);4 e* K6 r9 r/ M! ^( E; {* |
- memcpy(stbid, &buf[6], 18);
: a/ t$ l8 Y' k+ j! N, m - stbid[18] = '\0';* ^& h: \4 V5 \ }" _( h1 f8 `: M* R
2 X5 @, N; C9 Z- V4 }* R- return 0;
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' B$ p6 V2 ?+ s" }, m/ E1 f
& t/ D% W6 ~9 e. T- static int writeparam(unsigned char *mac, unsigned char *stbid)' ~1 Y; s- L$ V
- {
1 A; h- [2 I' @+ Q; X* U3 U+ W - int fd, ret;' e2 V4 b' b/ A k$ t) l
- e2prom_s_cmd arg;, [2 @ L# W- U
- unsigned char buf[0x18];
' ^* |$ L7 l- J+ J* t
8 p' J+ B5 q# j: l A( _* y- memcpy(buf, mac, 6);" W. A1 Z1 V, K8 R7 Q2 @4 k$ R
- memcpy(&buf[6], stbid, 18);& {% \+ ?& N9 \) a
- fd = open(E2PROM_DEVICE, O_RDWR);
& L' x* ?4 Q9 n& m - if (fd < 0) {2 \% m) z9 V& ?& \4 C) S- r. Z
- printf("Device %s open error.\n", E2PROM_DEVICE);/ D% H6 ^' g9 {. U+ C& U5 M
- return -1;, o8 V1 p Z7 R: i& T
- }6 j' J6 [( k- ]) r1 h( m" ?
- arg.sub_addr_count = 2;
@+ |$ Z: y: G5 `# i2 m - arg.data_count = 0x18;; O: ^. a& d* X8 V6 }
- arg.e2prom_cmd_sub_addr = 0x290;
; o& k. N2 ]3 O# \6 t: S - arg.e2prom_cmd_data = buf;$ n; ~ t# U+ A' N4 I/ Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" E) M$ t6 C6 z- i5 }; R - if (ret != 0) {
9 B" v! h0 [4 U. Y - printf("Device %s write error.\n", E2PROM_DEVICE);
- r7 J! p( |4 I8 L' R - return -1;2 g( v4 C4 F1 R( ?
- }
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$ M$ m! z4 w/ G: _: @# B- return 0;
! R7 X4 D: N3 K3 g - }
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' }9 u, q/ M# Y" c& @) g- int main()
* q" U4 z- p! y8 g- b3 l" o - {7 p. X& F, C' c3 X6 m
- char c;
9 ]" r( s1 q7 u+ R5 i- j - int i, macs[6];+ a5 D! l! g3 q
- unsigned char mac[6];
9 g5 U) V6 J5 }5 L* q+ ~5 ]8 w - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
3 _& M! p- _6 ^8 w - return 1;
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3 m! V5 p& i0 ~0 Z- printf("Current parameters: \n");
! A. t r' e, Q0 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& i" L1 C9 c5 |6 k6 a - printf(" STBID: %s\n", stbid);' h& r8 i7 f' T! L% z3 G5 m
-
' [$ b: c3 i2 V/ C* S R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 \9 S2 w5 i, n/ V: I) W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) _) c" O8 r, N$ ^
- printf("Input MAC error\n");
V3 x% \# f, y - return 1;
# a. r) s: A/ `/ G! N8 f1 r - }. v" u# i _" b% q
- for (i=0; i<6; i++)mac[i] = macs[i];$ N3 ?' @2 S5 ~) ?" v
- printf("\nPlease input new STBID: ");
& [: }* ]" U I; a: _ - scanf("%s", stbid);
5 S; d1 z( P; j; Y - if (strlen(stbid) != 18) {) |/ P U% m' y& E' U$ a
- printf("Invalid stbid\n");
$ c# }+ @, X/ o, D! n - return 1;
, ^- t* o: r6 {/ Y$ l - }! H, i4 O, o. N. g- u9 g7 w* w
- printf("\nNew parameters: \n");
0 `0 a+ J) y6 y4 p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- F+ K( O; X1 a4 f# u- A - printf(" STBID: %s\n", stbid);# ` x) T' [2 D: i0 ~7 n
- 4 |% H! `% K! s" E$ l
- printf("\nDo you want to change paramemters? (y/N) ");# y4 D( d* K6 s! C: K
- for (;;) {" l; J) K' V& r6 p) t6 f
- c = getchar();, }2 q# V6 T8 D2 ?* ], H
- if (c == 'y' || c == 'Y')
: t+ A2 o% k8 q0 k - break;4 |; G7 g9 ?. l8 C# Y. T; Y
- if (c == 'n' || c == 'N') {3 |. p2 L& e/ y2 O
- printf("\nAborted.\n");' e! F. B/ ?' X: j' q* r
- return 1;
Y* J1 G7 _6 q- ^) [ - }# C- g- x* o( Y; e' p& w
- }
9 B' ]( ~/ q$ P% U) t - if (writeparam(mac, stbid) == 0)
3 g& H5 O! q; B) o - printf("Parameters changed.\n");
; t( a; u, M# M3 X$ I# A! d - , q2 _# E. S6 Z: _ h) E$ W! x
- return 0;! G) d+ E3 W6 v6 r
- }
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