本帖最后由 0522 于 2012-3-21 23:04 编辑
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! B$ c W& L+ e3 V/ G修改的代码早有了。到今天不会编译。/ B; B1 U" {0 a% E3 Q) _$ \
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; a s5 P) X+ f" E% L
- #include <malloc.h>
" \2 u& }* H# w3 F - #include <sys/types.h>! X% i" K) W0 f) l8 F
- #include <sys/stat.h>
2 t) s: _ Q. N9 n! h - #include <sys/ioctl.h>
8 N9 r$ G# ^9 u* b - #include <stdio.h>
& w6 f- c8 T9 O& N" C/ f - #include <string.h># P+ p3 G7 J Z; t3 u+ Z
8 p2 m% |! e) w, |- Q! H- typedef struct {
7 o4 \7 f z4 g7 E! @, h2 m - unsigned int e2prom_cmd_sub_addr;) r! }! y2 ?7 @3 o, K" @
- unsigned int sub_addr_count; j. N/ Q. }. d' X ^7 G
- unsigned char* e2prom_cmd_data;- N* b' h/ y9 X; \# d
- unsigned int data_count;2 M! O) J7 a3 T# O- Q+ P
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 13 `$ u. E% _+ g3 q5 ?7 w
- #define E2PROM_CMD_WRITE 24 d4 q+ }. C2 q- \1 _( h5 F6 ]+ j! \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; B* y0 q8 M* J
- e2prom_s_cmd arg;
3 i3 i0 Z# ?0 X' |+ \ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
( q" C2 Y0 T% d: R% i2 J. b - if (fd < 0) {
- b4 r* L" ^5 B5 I - printf("Device %s open error.\n", E2PROM_DEVICE);
# z( a! i% C" f O# O/ l1 i - return -1;8 x1 D6 J3 ?9 [" u) ~
- }
0 @( M6 G$ O) q V0 k) p - arg.sub_addr_count = 2;
( J, r' d( W# @2 N; } - arg.data_count = 0x18;
( r8 S9 N z- n - arg.e2prom_cmd_sub_addr = 0x290;
: `2 ~5 Q; W9 e% n, S& X - arg.e2prom_cmd_data = buf;) h# Q& u. d3 _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 a2 N3 Y. U& o" O$ b3 J% G
- if (ret != 0) {
8 _% U# G) \% r% s - printf("Device %s read error.\n", E2PROM_DEVICE);
" L% m0 U% g% n9 S - return -1;; q( N! n+ d0 D9 M* v
- }- |+ f, I7 r+ e* W& m
- memcpy(mac, buf, 6);; `; `5 N _# \& C
- memcpy(stbid, &buf[6], 18);
+ {* h( M: J. L6 D: J - stbid[18] = '\0';. Z+ [8 J' q' [7 d: @* L, n
" u5 q) w5 B/ y8 h7 g4 m& N- return 0;/ o( K# H! P/ j& W. p8 O
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- O% A- `6 \' j5 f9 O6 r! B7 L- static int writeparam(unsigned char *mac, unsigned char *stbid)
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8 `) J, e: c, E" q0 q* q - int fd, ret;
' }* `! B& `; G - e2prom_s_cmd arg; t1 f$ P* @: b
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
! Z! a& s, t0 L9 F7 B, D# B3 J/ N - memcpy(&buf[6], stbid, 18);, j* z( v& v9 o( p: S! R
- fd = open(E2PROM_DEVICE, O_RDWR);# M! s$ {9 h {; A e$ R
- if (fd < 0) {+ s0 X' d+ E5 z( i* e2 i
- printf("Device %s open error.\n", E2PROM_DEVICE);
: M' G* Y, e" K3 t! A+ u! Z* g0 m4 v - return -1;
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- arg.sub_addr_count = 2;% l0 _6 c6 H& z( p
- arg.data_count = 0x18;. D0 B2 I) `" d9 Z/ N+ P( _
- arg.e2prom_cmd_sub_addr = 0x290;$ I9 p; o) `- ^, O0 D
- arg.e2prom_cmd_data = buf;- B4 q: s5 L$ o
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 F' l4 `& {1 w5 ]" X; x - if (ret != 0) {# O9 `1 N9 N' z" g8 A
- printf("Device %s write error.\n", E2PROM_DEVICE);3 L7 d0 h4 L$ f" K; }* \7 A
- return -1;
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$ |) @/ t R+ m- return 0;
: ?* _' G$ i/ E* w6 T/ z - }
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- int main()' V0 S4 c; `) ?2 Q
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- char c;" H, N9 m4 s) W Y0 w7 U
- int i, macs[6];+ g h" c1 l( e% I% @7 I; q
- unsigned char mac[6];
) z9 D0 [- }7 N - unsigned char stbid[256];. U' s$ c. X( a/ f2 x: s) y
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- if (readparam(mac, stbid) < 0)) x2 v( t- e8 W, [9 Y2 L
- return 1;4 _, d& V" N8 f8 x; P+ g i' q: B, P
! y4 d8 v Q; n, q- printf("Current parameters: \n");) h9 Q, C4 S2 W- b) e5 ~6 s/ G: h5 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% C8 z1 W( Z. |2 T2 V, D# h+ Z - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 m9 N) q" u( Z( f& e. Q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( h7 y, C1 }; V6 \; p4 w2 Q! C - printf("Input MAC error\n");; [9 ]7 s/ l% M9 `! \) W
- return 1;" h9 _& b& v) [* c/ v
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- for (i=0; i<6; i++)mac[i] = macs[i];; t- Q7 |& B; Q
- printf("\nPlease input new STBID: ");
: ?- E, Q: U6 ^% o8 |4 b0 T7 C - scanf("%s", stbid);
: g' R- M! u- V2 D - if (strlen(stbid) != 18) {$ @& v* D3 V' i |
- printf("Invalid stbid\n");6 s# A$ _- v% L8 s
- return 1;3 h9 I% ?2 e% l2 d2 n' S& `
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- printf("\nNew parameters: \n");
( J( f! Z" D1 u ^& e3 S. n; G6 v7 ]6 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: J h. b6 g: M8 ]8 A7 E6 K
- printf(" STBID: %s\n", stbid);2 t K Q" K/ X9 \& l- b
" K) k$ M, S/ U' t0 O; f) f% e- printf("\nDo you want to change paramemters? (y/N) ");
% v+ Z1 m: h6 @! k7 K - for (;;) {# O! e7 `. n5 ~4 S9 W8 r0 r0 V
- c = getchar();
- Z+ n- O$ W3 Y: X2 m# p' |3 w* R; M: E - if (c == 'y' || c == 'Y')5 E! f) r* P1 [9 D2 X
- break;
0 R5 D% b5 t8 p7 z1 A - if (c == 'n' || c == 'N') {5 q! w+ r1 A, f
- printf("\nAborted.\n");# K. Z5 j; u2 R. z
- return 1;+ d6 p! V. d" ]0 l! I
- }
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- if (writeparam(mac, stbid) == 0) 0 N+ c( [4 }. L% b: {+ O/ W9 Z( u
- printf("Parameters changed.\n");
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- return 0;
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