本帖最后由 0522 于 2012-3-21 23:04 编辑
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# x' [; h" M9 Y! \0 ~* }: u修改的代码早有了。到今天不会编译。
/ W! C7 n9 {$ }/ K需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 ^! p) t9 P2 p* L# N
- #include <malloc.h>) F! \ j& \8 p( w& D+ \
- #include <sys/types.h>
- V% ~5 m+ G% ~& `; m - #include <sys/stat.h>
# R/ K# v; w8 P Z - #include <sys/ioctl.h>
+ j; Q/ \7 T8 w9 M - #include <stdio.h>( Z7 M; r7 ]; q3 T. Y
- #include <string.h>
% |4 c: P# L) _- Q& B. P6 @' T: ?
8 Z4 f9 o) y& j4 d9 A8 d- typedef struct {
5 c* @" h; Q) Q1 U' l: g - unsigned int e2prom_cmd_sub_addr;
. q# }% T, Q3 N" R( _ - unsigned int sub_addr_count;- Z5 r% Z9 H8 N. E* ]% z
- unsigned char* e2prom_cmd_data;, R$ ?: [/ U5 E& c3 k8 p
- unsigned int data_count;
. @/ Q6 \' ]3 J - } e2prom_s_cmd;) F( y( \# y* D1 ^. r
, z' u( J A* s1 F4 K2 j% d- #define E2PROM_CMD_READ 1& m! @, w- w8 G1 X; Q; T1 l# L
- #define E2PROM_CMD_WRITE 2" i) P* t7 K' ?' x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 _* S8 ~. M! q# ?
! w: ]1 k9 k) `- static int readparam(unsigned char *mac, unsigned char *stbid)8 G+ |5 C6 Y5 j5 k" g0 r) [
- {1 e& v; V; d4 l9 S K2 ?
- int fd, ret;
5 J5 {9 O! W. X - e2prom_s_cmd arg;: D9 w; l' a2 G$ f/ F. s& L+ Z
- unsigned char buf[0x18];. R+ s1 W: Q# s! B8 |1 U( w
% l9 X/ ^( J7 s" g1 Y- fd = open(E2PROM_DEVICE, O_RDWR);
$ G. W7 O' G& e2 N7 o7 U0 w2 e9 O - if (fd < 0) {
% c& b- T! M& }0 i5 R - printf("Device %s open error.\n", E2PROM_DEVICE);1 G+ f6 g5 t) k9 o: g' D4 M/ Y
- return -1;
' R9 w, L0 O# o. E( p. M* T - }
5 A6 c. U( S) R9 J2 i. {0 D5 ` - arg.sub_addr_count = 2;9 e- Z9 R) N& j# _: M& ?
- arg.data_count = 0x18;
! C# ]( K: e6 [% h# U7 C - arg.e2prom_cmd_sub_addr = 0x290;) V$ K7 E/ Q' m' A
- arg.e2prom_cmd_data = buf;; Y2 a! {+ I6 N( C* Y" `" b. Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 q& t# k `' w! ]
- if (ret != 0) {
& _" s9 |0 U) `% L4 x - printf("Device %s read error.\n", E2PROM_DEVICE);
8 X; o ~# i% j) H3 V, V, g7 ] - return -1;4 n) j- Q9 [* M7 P. z: B D E
- }
' Q: [& O; _+ a. }. j - memcpy(mac, buf, 6);1 @6 y/ n5 ~ \& W$ e/ ~
- memcpy(stbid, &buf[6], 18);$ F: W# a# V# f9 i) h) V
- stbid[18] = '\0';7 {1 b& }6 W% a+ q4 D, `( e- Z
" t- F2 y; q" J4 f1 O- return 0;% j* J3 \% F3 x( q h# P+ W I
- }* @& ^- `4 ]1 Q* y: j. a
- & i) l5 P* {9 e, r% Z
- static int writeparam(unsigned char *mac, unsigned char *stbid)
E' v4 N2 ^+ h) D9 T/ v9 m - {
7 B& x, E, @" [; K2 { - int fd, ret;
7 P$ o6 i8 v; X) A ^ - e2prom_s_cmd arg;% f( n. D/ i$ g
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);5 d6 D u# m: f6 ?7 U* ^( F
- memcpy(&buf[6], stbid, 18);! V3 g" c8 V6 m
- fd = open(E2PROM_DEVICE, O_RDWR);' S0 C' x' ]# U8 q0 K
- if (fd < 0) {
+ ~% o$ q/ A0 a# g - printf("Device %s open error.\n", E2PROM_DEVICE);3 L; q6 q! c9 ^! p' B
- return -1;
/ \ h$ \( B7 J* c8 w& r8 I9 ` - }
* [/ P9 Q9 a+ M - arg.sub_addr_count = 2;' j7 ~& v2 a8 Y9 }- {
- arg.data_count = 0x18;
0 ?$ r; [( S. P# d: O1 p% @ - arg.e2prom_cmd_sub_addr = 0x290;& q9 c. U0 C* R/ K
- arg.e2prom_cmd_data = buf;: g. g3 K; R. a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 I5 {/ ]. T( A0 `2 T6 {9 x. g
- if (ret != 0) {
* x) p/ u. |0 Z" P, d. H - printf("Device %s write error.\n", E2PROM_DEVICE);
$ W! Q, J* h% s2 H$ Q$ R - return -1;. N: s: {4 S0 s- A) v; X
- }
: X6 b: t$ W { - 9 @0 ^5 ~" G# y2 Q: B3 b
- return 0;) J' b' ~, m" |' l2 w
- }
# L d; n! o5 k
* z; V# N7 j7 w& c2 R0 C- int main()% h- U3 x% z5 s' Z. p2 T- X& ]
- {+ @4 g& ?! `3 P, U
- char c;
9 P, C. X9 u4 d% V7 i2 { - int i, macs[6];* l! o; r- T5 g& ^. |8 I
- unsigned char mac[6];
! D6 s; a* ^$ k6 t - unsigned char stbid[256];
3 e# v! o$ s" f: |, F
+ x# s( Z/ ^) v7 L8 p- if (readparam(mac, stbid) < 0)! d# ~' Z% O: L7 S" k0 \
- return 1;
( H. [4 @9 |1 R' A, v3 N- l, t0 V - 1 r: m. a# l; x9 @% ~
- printf("Current parameters: \n");" d/ Y' |: O6 D; k4 b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: {5 f4 @* v- u- ?1 D - printf(" STBID: %s\n", stbid);
8 k7 O% B3 w7 m: I - : }. a( ]: k8 |4 j5 M
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 ]4 D0 U4 E. I' r# E M: S0 i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { z% M B3 ?9 M
- printf("Input MAC error\n");
1 c( w1 W- D8 [: k - return 1;& J; b/ q0 ]# j2 c$ k) E# K
- }
8 d, }: N* u2 `5 [ - for (i=0; i<6; i++)mac[i] = macs[i];0 v& A+ Y* j( f
- printf("\nPlease input new STBID: ");
% B3 H; l( B. w" n& {7 C, D - scanf("%s", stbid);
' f" C* g3 A/ M# V" u2 O - if (strlen(stbid) != 18) {
T, K. o1 j2 ~6 R F2 q - printf("Invalid stbid\n");
( H% P* N8 `. P9 F1 B" R - return 1;1 p# i- I/ e9 Q! A- S! s0 T
- }# C' L4 d: C) |( t. P
- printf("\nNew parameters: \n");: w# f5 _8 `# {% {9 ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 @' @: k2 L! a1 S, M - printf(" STBID: %s\n", stbid);
* _" `7 M& r9 x8 P0 X% D - - C: f3 K l. E* |4 S$ P
- printf("\nDo you want to change paramemters? (y/N) ");
3 P. P& N3 J' B8 C - for (;;) {
# E) E% M! G) U - c = getchar();' [$ c# z6 l8 B
- if (c == 'y' || c == 'Y')" I# ]) I, p: @9 A) i$ E
- break;
1 q0 @2 {) u( s - if (c == 'n' || c == 'N') {
* G: q# c: S y! p2 i6 ]; ~* m7 G - printf("\nAborted.\n");, B1 ?7 i" W; |% @1 L% ~1 t. B6 v) Z6 N
- return 1;+ m5 n( @0 f! j' F' @1 K
- }8 S. ~5 c3 L# ^
- }
. L/ g* e7 Q$ f8 y$ B - if (writeparam(mac, stbid) == 0)
8 ?2 [; G6 H: M - printf("Parameters changed.\n");% \' \& F+ }5 q3 n' E; h* T
& R D3 `# [1 D5 t- return 0;
$ l3 x4 B$ t* i/ e" m4 B% f" s3 _ - }
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