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。' h3 ?7 T! k! [9 z2 i* a2 |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 T% [0 X, ~0 e- v" ` P9 h3 y, z
- #include <malloc.h>
# Y0 v. e+ r8 I - #include <sys/types.h>3 a/ `- }5 {0 ]& E+ l/ d
- #include <sys/stat.h>, |- Q- L" T8 B& y' K" o
- #include <sys/ioctl.h>! G5 }6 f& h/ V1 X6 a9 k
- #include <stdio.h>4 I4 T: E! N( h5 R) [( S
- #include <string.h>
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. F( u; Y# P0 B5 W" }! u- typedef struct {' o6 Z0 q/ k, h, ?( l3 Q, g) f- h
- unsigned int e2prom_cmd_sub_addr;8 p/ Z( a1 i' ^/ p0 g7 ?9 `
- unsigned int sub_addr_count;
2 G O T, X% [3 G2 `# h; e - unsigned char* e2prom_cmd_data;2 h+ b. \6 B5 F. U }+ M$ F* M
- unsigned int data_count;
+ _) w1 f( {; G Z" R - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 14 p1 W5 ]6 b) D: ~
- #define E2PROM_CMD_WRITE 2
4 F$ O; i- l. ]+ Q& J0 p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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+ M& W+ H; B8 z& Y! @( J- static int readparam(unsigned char *mac, unsigned char *stbid). |+ x. q& a9 _* C2 o5 i. i. p" A
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- int fd, ret;
7 B6 S' e2 N9 p. X - e2prom_s_cmd arg;
, b& S d1 M6 U! r$ c - unsigned char buf[0x18];
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) ~8 n# @3 q0 G( j: P7 |- fd = open(E2PROM_DEVICE, O_RDWR);
* ~. N# n' V4 J+ h - if (fd < 0) {$ E2 f" N, b$ A0 A/ Q3 r
- printf("Device %s open error.\n", E2PROM_DEVICE);% F/ s+ s1 }" m+ L
- return -1;
8 [4 g% L' o4 N" q' _- z - }
! X3 }; s: R8 S9 T* H - arg.sub_addr_count = 2;: U7 Q/ q: R3 x
- arg.data_count = 0x18;8 u4 X. D- k! v m" N$ O3 T
- arg.e2prom_cmd_sub_addr = 0x290;
/ e. |9 ]* L' X1 z: M$ n% Z! a1 s - arg.e2prom_cmd_data = buf;) q0 K$ R* N8 o7 F! K& U2 ?" u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 `7 L( u7 ]2 Y9 R G) _% V- Q - if (ret != 0) {
* U+ T' m; u/ G - printf("Device %s read error.\n", E2PROM_DEVICE);( b) E' E; h) n5 V; ?% M" p- A
- return -1;
8 b: ~5 ]! E- J! e - }
. w0 E8 [/ l" ~, m3 J, Q, O: w9 Q - memcpy(mac, buf, 6);" n$ f# y! @% z* X2 g' a
- memcpy(stbid, &buf[6], 18);& f# s: t4 g" q2 t( [5 S- X5 x
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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6 f# d9 Z: R" L) ?6 ^+ N+ O- k - int fd, ret;4 p7 H% s# y* b) y$ r; S
- e2prom_s_cmd arg;# D7 p8 R3 F9 P% E
- unsigned char buf[0x18];3 D' v W6 P5 K/ z
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- memcpy(buf, mac, 6);
6 M$ r/ ]; `& { B# E$ T - memcpy(&buf[6], stbid, 18);- m- K9 j* J d" L0 s8 B
- fd = open(E2PROM_DEVICE, O_RDWR);6 g ~; M! v* E5 p( i0 S
- if (fd < 0) {* ^# i' f9 f( @4 O6 @
- printf("Device %s open error.\n", E2PROM_DEVICE);' A p+ A- { o- h' r; X6 f
- return -1;. w! w3 ~8 D P* v7 c2 ?
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- arg.sub_addr_count = 2;; X8 j- G0 k/ F
- arg.data_count = 0x18;
V1 R1 U/ ~9 l ? K - arg.e2prom_cmd_sub_addr = 0x290;7 k* `$ k" {5 [- `# T P
- arg.e2prom_cmd_data = buf;( @3 @* z% K: H' d3 b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 T; E& o$ b( y
- if (ret != 0) {
, i/ j2 z v' b% ~: ` - printf("Device %s write error.\n", E2PROM_DEVICE);6 x5 T/ w! R4 s5 H; i: |/ s" X
- return -1;
5 t6 c9 Y. g4 w) ] - }
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4 J: x- @* ?8 F) B. ?- return 0;
$ W4 z6 a) p' n$ w; Z - }
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- int main()
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- char c;
9 K! l1 d* P8 c2 @- E8 R6 n - int i, macs[6];
9 C: D z4 ^% p& b' j - unsigned char mac[6];
, Q W9 q6 Y" k s* e q/ k! K) g - unsigned char stbid[256];
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, _) e& o1 r. U) u% h' m- if (readparam(mac, stbid) < 0)
% _9 x( M3 v1 G, \1 R/ C - return 1;
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- printf("Current parameters: \n");
4 F$ _, I; n6 J) j1 l4 x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' D% [9 J* l: K8 o( ^# m; s6 j
- printf(" STBID: %s\n", stbid);' _+ |( |" D$ x) [, \$ K* C- V
-
+ V. l) E) B2 Z; g( r - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 [# x- h% |* r' B8 m u) r1 u+ e8 F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" x% Q' |- e7 w4 w( Q0 e- ^+ q; Z - printf("Input MAC error\n");/ Y( M6 _$ Z$ o# f7 O# G" i/ d
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];+ x4 ^# m* q5 V, _5 V# x
- printf("\nPlease input new STBID: ");. Q1 G7 ]0 W+ n
- scanf("%s", stbid);8 E1 R; E) ?6 h1 @
- if (strlen(stbid) != 18) {
/ A! V# Y/ g& U - printf("Invalid stbid\n");
' ^' s. G& Q9 Z' Y - return 1;
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- printf("\nNew parameters: \n");5 q- x1 l7 T c" e0 |- }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& F4 Q$ f: \+ f6 J0 `# c
- printf(" STBID: %s\n", stbid);% N5 K# P" T1 s* O; y" r
, B7 k4 q% v. T% Z- printf("\nDo you want to change paramemters? (y/N) ");9 ~- k7 Z# {- Z& ]( b
- for (;;) {# H( D: n/ h- E1 y% x" k% g. ^
- c = getchar();1 \* Q6 _' x" X$ q- o* O; G
- if (c == 'y' || c == 'Y') T! @5 G# @ G9 ~$ f8 F7 ], J( d
- break;" N* N- J) m$ d" ?
- if (c == 'n' || c == 'N') {
1 e( L# R1 t3 d - printf("\nAborted.\n");" ?. h) M' k6 v! K# R: m5 o" Z5 @
- return 1;* B8 j/ [+ d, g* [- V
- }; X+ [ c) ^( h8 N) f1 X, U( w$ i
- }
- c1 S& g- e- P0 C7 |6 i% s" y - if (writeparam(mac, stbid) == 0)
0 j6 ~$ l( H. T# C- { - printf("Parameters changed.\n"); b# u* _9 v0 \7 y
- 6 o j1 |/ K* B7 m! w+ Y% {
- return 0;, V" K; h0 O) `# ]
- }
复制代码 |