本帖最后由 0522 于 2012-3-21 23:04 编辑
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% j6 `* f3 h8 o* [9 x9 X) b修改的代码早有了。到今天不会编译。
) v+ n" S7 m) p& P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ O9 G3 R- O& X* `* ?% s - #include <malloc.h>* k9 {6 n, j# K8 I0 |- \
- #include <sys/types.h>
6 H- e0 V/ u8 v0 j$ y! _9 a, _ - #include <sys/stat.h>- n8 N. q% T7 _6 p4 Z: t
- #include <sys/ioctl.h>, Y# y, ?+ F8 P+ m! f* u
- #include <stdio.h>
7 P6 ~* y6 I9 x" h! n - #include <string.h>2 r: G0 @! s! D5 z" o. e
- 1 a( E- m0 p& ]3 }
- typedef struct {" Q, m; @. w2 k" C6 P9 ?
- unsigned int e2prom_cmd_sub_addr;, a9 F: N1 F+ U, e+ l
- unsigned int sub_addr_count;
* f, v( w# U' D9 K+ G1 [0 d3 { - unsigned char* e2prom_cmd_data;: c" z7 C7 [5 ~
- unsigned int data_count;! s4 b1 ^, w% P5 H8 W
- } e2prom_s_cmd;/ K1 r2 Y4 K; @* W
- % y2 l4 E" a5 K7 K5 p: X
- #define E2PROM_CMD_READ 1* C! H1 a- v" ]6 e4 B
- #define E2PROM_CMD_WRITE 2
! O" N2 c. ^3 R3 k5 q$ l" a' P* E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)2 `3 I* c9 C, q! ^5 N5 l' F
- {" v, h# V, z. B" n
- int fd, ret;
7 m. g! f: T% B* ~1 z I9 k, v9 R - e2prom_s_cmd arg;
: n, D3 P7 N5 I1 J+ c - unsigned char buf[0x18];
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" ^8 g& k. W9 V3 o3 x! f6 Q+ ^& Y- fd = open(E2PROM_DEVICE, O_RDWR);
; ^3 v/ B0 r% @8 W - if (fd < 0) {
9 F/ A8 `0 e. Q# t( A0 q8 p - printf("Device %s open error.\n", E2PROM_DEVICE);
7 y- B0 p0 ]9 A7 k& ]- G - return -1;
7 Y9 g b- c( j; D! o* M - }
* J8 R' C. M6 G7 I - arg.sub_addr_count = 2;
; d: M# h( o7 h3 k2 @% {; N. F8 D - arg.data_count = 0x18;
4 Q: x7 M6 g0 p' ^9 Y - arg.e2prom_cmd_sub_addr = 0x290;+ U8 [) @0 b/ f$ A
- arg.e2prom_cmd_data = buf;
: q7 Z' D6 {0 p) W - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) U m+ O; p4 c* y1 y" ^- f5 e
- if (ret != 0) {
# J% D0 U2 t0 P& |) r! j+ W - printf("Device %s read error.\n", E2PROM_DEVICE);. ~6 y' u) ]! I9 `
- return -1;
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- memcpy(mac, buf, 6);
' F0 ~ Q. Z7 r" p7 q% `( a8 M - memcpy(stbid, &buf[6], 18);
. U; n# W8 M S: ? - stbid[18] = '\0';
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6 r" O' A5 g V: Q; P5 T- return 0;" l9 u7 \* p: `( T
- }
9 u1 `$ {5 ?+ T6 J1 G& I, \
6 S! N3 H1 x7 T! a& A6 w4 p4 d- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;* u( u( H/ @% J& Q4 ?+ w, w! c
- e2prom_s_cmd arg;( a, {! x8 c _
- unsigned char buf[0x18];
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- d3 z& A H- r. D! Y( a1 }- memcpy(buf, mac, 6);2 [* z6 T$ c2 \* ]4 P
- memcpy(&buf[6], stbid, 18);
' S4 m' O- x, f x# ?& ^ - fd = open(E2PROM_DEVICE, O_RDWR);% ~1 G( w+ K# S# |; d
- if (fd < 0) {$ u9 B1 E! ^. d. I* L+ O$ O
- printf("Device %s open error.\n", E2PROM_DEVICE);* j* j$ d; k& u2 U
- return -1;
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- arg.sub_addr_count = 2;) M7 a+ Z0 I: b7 P' w
- arg.data_count = 0x18;0 d5 ^ x7 D; r- _
- arg.e2prom_cmd_sub_addr = 0x290;
+ N" |( X: \, |) m6 n' q/ e. E d - arg.e2prom_cmd_data = buf;4 o/ s1 M' K9 K( Z& g4 u, D) t \
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ s6 o7 p* `* I7 w" n' P
- if (ret != 0) {, v' J0 Y I# \$ f! `
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 R$ \! h+ B- {, s7 R7 G# q - return -1;
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- return 0;
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# K. \: w0 \* |. f+ ~) x/ o" }
3 |) y7 B2 n5 H. V9 y8 }- int main()
3 U- ?( d. S! V - {
5 @" |% D3 f" q) e& Q5 B9 Z - char c;4 k& a. V5 Z: o3 l( t' S, f
- int i, macs[6];; z9 E* V8 E6 ?1 k
- unsigned char mac[6];
/ h" H( y) s9 H7 t0 p) N - unsigned char stbid[256];* k% k! _8 U; A/ F, V
- {+ H& G' N+ K1 ]7 g1 u( H5 Y- U
- if (readparam(mac, stbid) < 0)
$ l) N& c5 V8 T$ e, G5 z - return 1;5 D4 _8 k' C6 o& Q+ n* u# e
- 5 Z: ?& \2 s/ ?1 j# a
- printf("Current parameters: \n");3 a8 s( r7 B( m5 H8 K# w, ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& f# u! N3 r4 d. g0 y - printf(" STBID: %s\n", stbid);
; @5 `) g" P2 {, }% G4 X -
) ]/ V \. |1 z0 p5 T6 i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) G3 r9 ^. ]& ]' V+ u# _
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& L3 B) m& P. K1 |' ~+ M( { - printf("Input MAC error\n");
6 D& G8 r0 ^% O4 }4 ` - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];4 @- z; b: X. f) J
- printf("\nPlease input new STBID: ");* B A6 @/ l) f7 H, I8 X
- scanf("%s", stbid);/ Y# e0 w9 G' b
- if (strlen(stbid) != 18) { L; n/ j6 {* ^9 R
- printf("Invalid stbid\n");" u. X% r* U. q5 ^" x
- return 1;# n- }/ b h! m3 E7 ]0 @+ i) m
- }) T* p( J) T1 C, j4 e
- printf("\nNew parameters: \n");3 N% T& `( m4 N! x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 s, o% c; W! ]- ]( R - printf(" STBID: %s\n", stbid);
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, [2 w: c# `; o# ~- printf("\nDo you want to change paramemters? (y/N) ");8 N5 C+ g* B$ X7 I) O
- for (;;) {
* @5 Z3 x1 e7 Q7 k - c = getchar();* A- V* c7 I* [1 V
- if (c == 'y' || c == 'Y')! B. V' l& u0 ~/ X7 b0 s
- break;
! x# y: o0 j0 X. q; C: x - if (c == 'n' || c == 'N') {
R" q1 `: w9 J - printf("\nAborted.\n");2 m6 _; p, f2 W9 m
- return 1;. o0 Q5 L. L, u( a& |5 E5 X3 Q
- }
- |* A J3 D8 a; V - }
* S. \( l. B" P - if (writeparam(mac, stbid) == 0) ( h0 }& k |- Q7 N
- printf("Parameters changed.\n");
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r) B$ I: m+ H: f- return 0;$ x4 U0 R) H* Y# S7 W; G8 G$ k) N
- }
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