本帖最后由 0522 于 2012-3-21 23:04 编辑 1 S, k3 G8 N ^8 K
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修改的代码早有了。到今天不会编译。& D2 ^7 l6 f" n; H3 F
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 G' }2 u E. J' c$ [" x
- #include <malloc.h>! j# n/ d7 G3 l9 m2 J
- #include <sys/types.h>
. p7 b) U3 b8 F+ p3 Q$ V - #include <sys/stat.h>( l8 S3 h6 ^1 e1 \+ M7 `
- #include <sys/ioctl.h> s9 M$ M3 ~- {* T
- #include <stdio.h>
9 {' m' g* q8 g7 V* B! p) Z - #include <string.h>
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1 X6 \$ Z3 E! G' z8 c% J: O- ~- typedef struct {
. E/ H3 c5 g9 y7 \0 l5 K" G+ S3 n - unsigned int e2prom_cmd_sub_addr;; m% ^* c; k. @
- unsigned int sub_addr_count;3 j6 `! P+ x8 g( M6 e
- unsigned char* e2prom_cmd_data;9 D; l) G7 W8 _/ R) V/ C
- unsigned int data_count;5 `! N- _' W3 u* @5 H5 P+ `) ~( E1 v9 g
- } e2prom_s_cmd;) n( f7 ~4 `; F9 J& d; n
* r2 A2 d* D# {/ X- #define E2PROM_CMD_READ 1
' k5 x& f5 P/ U. f z$ W' f, ~ - #define E2PROM_CMD_WRITE 25 D6 R# t& n0 g, g8 }0 T
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": x4 N$ o$ s7 ?( k8 N
- # h: F K `: t0 W& a2 y$ X
- static int readparam(unsigned char *mac, unsigned char *stbid)
! r: ~6 C( n2 U; p2 H, f - {
8 U$ n# t8 \5 Q) N& _ - int fd, ret;
% Q0 Q3 f \6 @5 \. C& [ - e2prom_s_cmd arg;: k, [& x0 R' e/ R! v7 X
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);4 E, W3 |8 ~4 [& v
- if (fd < 0) {
" `/ ?( ^+ O$ K f* M! `$ ^5 l2 x - printf("Device %s open error.\n", E2PROM_DEVICE);) B# J W1 `+ m4 N
- return -1;+ f7 f% h% u2 [
- }
* x5 r8 V' v: p: s9 p } - arg.sub_addr_count = 2;
* A: E4 @ j+ I1 {; P - arg.data_count = 0x18;
4 ]; q/ c1 I8 \) l( Y$ S- i - arg.e2prom_cmd_sub_addr = 0x290;. k0 R0 o& w. S
- arg.e2prom_cmd_data = buf;
5 |# i1 H% ?( t8 H+ l- N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; M( ]# H5 _& F) w; F2 \: k - if (ret != 0) {/ Z( E ]- [+ Z' d/ i' I
- printf("Device %s read error.\n", E2PROM_DEVICE);+ O9 }$ m3 w% f8 X3 L7 R, P0 n" H# e( A
- return -1;/ a6 V7 [- z- m2 `$ f; K7 e
- }6 T4 d9 n K7 p+ o, w2 C
- memcpy(mac, buf, 6);3 K. u i5 N$ E- @. C, g; S1 [; g. K
- memcpy(stbid, &buf[6], 18);
4 x* i6 M3 h: c) C' q r - stbid[18] = '\0';( h- Q2 L1 f+ q8 g0 G' e) b( M+ X
. S$ c5 W, h6 u& ?! E3 v; p; p- return 0;
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: h- Q a/ h9 p! z' C) `( A/ [, M- static int writeparam(unsigned char *mac, unsigned char *stbid)# ^' w' p' c4 Q. }
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- int fd, ret;3 x) a8 O& J) W& d
- e2prom_s_cmd arg;, @4 S4 T( G3 v1 J/ h
- unsigned char buf[0x18];) \. }( _# E' Q2 w2 Q
- / J6 g0 |4 e8 M; b8 h
- memcpy(buf, mac, 6);
, {+ q1 ` N+ \6 d; I8 o - memcpy(&buf[6], stbid, 18);
% U$ u' ^: e* y- f! W* q; L - fd = open(E2PROM_DEVICE, O_RDWR);
; E: n; T% @( C a0 C - if (fd < 0) {
4 N" f j2 F" c3 ?9 W K4 k' Y5 f - printf("Device %s open error.\n", E2PROM_DEVICE);
3 @* X3 W2 w, {0 V8 O8 {; U& \ - return -1;
e6 V$ o( Z+ [4 T* b4 n! n - }
& z8 {# |6 [. i/ F$ o - arg.sub_addr_count = 2;0 L2 c* D8 T0 ^( H, L
- arg.data_count = 0x18;
y6 f: _ n0 @8 J: C - arg.e2prom_cmd_sub_addr = 0x290;5 o9 ~3 d ^ c; J
- arg.e2prom_cmd_data = buf;# w! K( @2 P2 Q4 V8 r
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. V: {) Y' T& _$ k! v - if (ret != 0) {/ A, c' v1 ~. k$ Z' O0 r) U% I( K
- printf("Device %s write error.\n", E2PROM_DEVICE);- V4 D: b- L2 n+ m+ q& C& d
- return -1;% I1 t- S* k. q3 x9 c! F
- }
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, y) Z" d8 N8 t, {. f4 r- return 0;
$ A. ]" H5 i' M/ W) Y7 M9 Q* I. n9 k - }
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- int main()9 V% N& p. l2 |* Q; y% Z5 _
- {
. |* J4 i* P7 w) ?7 x! l0 V- ` - char c;% W, a" C, k9 x. u& L
- int i, macs[6];
3 x* l7 X, U1 w" r: l ^% m. U - unsigned char mac[6];& C2 p4 h& Z2 i$ l1 Y; G. J9 Z2 O& b
- unsigned char stbid[256];
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) G9 j0 k3 Y8 J! g! t- if (readparam(mac, stbid) < 0)) d9 n. \6 o& Q8 Q: F
- return 1;6 R' z. N- X1 f" ]& d
m2 k3 }, v- j- printf("Current parameters: \n");- c7 v5 J; r% i* Z. K0 M0 d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 C) F2 }0 }) K+ D" j
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ y3 S; }9 ?" E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 P' j( B* E- n$ @
- printf("Input MAC error\n");
& M$ K( W& K' S2 W6 Y: k - return 1;
& v e$ V# ]) n$ g* J) ] - }
; e# G' r" l9 T# [ - for (i=0; i<6; i++)mac[i] = macs[i];' P5 l* ?- u( P9 ~2 }& _* w$ o
- printf("\nPlease input new STBID: ");
2 L( u3 {8 N. |6 u, K3 C. V2 S8 ~ - scanf("%s", stbid);
) C( h0 q4 V: r+ v - if (strlen(stbid) != 18) {
. ?5 }, \5 I9 I9 F+ R4 E) e) O - printf("Invalid stbid\n");
# g: W6 |- @4 @+ ?: `# p. X - return 1;
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- printf("\nNew parameters: \n");
9 r, f( M7 t3 Q H/ ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 Q, `: ?. V( S; K; v- e - printf(" STBID: %s\n", stbid);
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9 J3 h" f# L: c! Q* [' `- printf("\nDo you want to change paramemters? (y/N) ");9 `9 j2 M8 @ h2 W7 Y1 H1 ]
- for (;;) {
; P! W3 G6 e1 C& a4 D4 x& C - c = getchar();
1 R( P3 T- q% g! { L9 a' \ - if (c == 'y' || c == 'Y')
: \" W6 U- H' ] - break;
: U$ v% r! y! A' ]0 p( h& S. w - if (c == 'n' || c == 'N') {4 W$ d6 t8 g4 u9 u0 \2 z
- printf("\nAborted.\n");
+ l+ P" B, ]; l; l/ T" V5 K, P - return 1;
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- if (writeparam(mac, stbid) == 0) : S! m5 g) D: B T& X5 p: @" O, X% `! ] H2 N
- printf("Parameters changed.\n");
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- return 0;4 a) V7 x' G$ ~, k9 Q d2 P
- }
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