本帖最后由 0522 于 2012-3-21 23:04 编辑
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/ E4 @5 [1 a) t6 Q# ]/ o- o- D修改的代码早有了。到今天不会编译。2 i0 g6 C( Q9 I5 u6 g/ e
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ Q# o1 _& y* a" G
- #include <malloc.h>
1 {+ n. L1 `& s0 d4 a/ Z! J f - #include <sys/types.h>
" Y3 D# a- I. f: z - #include <sys/stat.h>6 Q3 w4 P2 I3 F
- #include <sys/ioctl.h>9 k' ^) h4 C3 F% i: r/ v
- #include <stdio.h>
1 h' n, d, M9 D9 v: r - #include <string.h>' b; ^% p( \4 ]- [, n
- 5 p% a, r$ \ B V0 D
- typedef struct {
1 Z0 F0 C7 P& d+ Q& f - unsigned int e2prom_cmd_sub_addr;
. J* N9 D) y H8 J( c9 N4 x1 ^. P1 n3 q - unsigned int sub_addr_count;
6 k) _, P3 v! Q' @/ j - unsigned char* e2prom_cmd_data;
. f# i4 e/ V: M+ z( ]. X( \ - unsigned int data_count;9 f$ G- _4 q8 j% D
- } e2prom_s_cmd;
/ C1 g( z ^, L. ^2 C; j/ b - _$ u# f- x. S4 B) K" M0 w
- #define E2PROM_CMD_READ 1
' G) V) ]1 _& h& I1 r8 f - #define E2PROM_CMD_WRITE 21 ^ n. r9 L; G4 A* D& h/ O& Z n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( j9 q* M+ V. x
$ U% @1 B* i H# B' P! W1 f- static int readparam(unsigned char *mac, unsigned char *stbid)
1 D9 G* ~! _' u. T# `( w - {
3 [* [! y% S6 F9 i2 S2 z - int fd, ret;
+ H; I4 e( z! @( y - e2prom_s_cmd arg;
! }7 W- m8 Z o1 x$ S2 t' ] - unsigned char buf[0x18];
- x2 G" f% @( h* K+ U, u - 4 ~+ r- i! i! ]/ f, x) C- F' ?
- fd = open(E2PROM_DEVICE, O_RDWR);
/ B0 g0 L9 J6 @8 { - if (fd < 0) {5 W* S5 K v3 L8 y9 C
- printf("Device %s open error.\n", E2PROM_DEVICE);
# O% e/ {* r0 ~; S+ k+ j - return -1;0 T+ V% m& ^( E# @4 U
- }
7 j) ~3 M$ _. o% z+ X: { D - arg.sub_addr_count = 2;
: N" q: X" J" u- Z9 ^: T - arg.data_count = 0x18;' Q+ |4 @% V0 {( u1 K) F+ w# O
- arg.e2prom_cmd_sub_addr = 0x290;
$ O5 }1 Y* p% j3 _$ _ - arg.e2prom_cmd_data = buf;- c: r6 B9 V5 w, X4 m9 {
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" [0 Z3 R( q0 W0 c: b F% A
- if (ret != 0) {
2 A& ]' p* }/ j: y4 X - printf("Device %s read error.\n", E2PROM_DEVICE);
- v& C% O' C+ _( o - return -1;! s1 J/ ^+ I. ?9 N8 t$ Q
- }" U2 V( i3 f! {6 d) K$ x
- memcpy(mac, buf, 6);
! R8 y( K! ]8 N: \5 _, M @ - memcpy(stbid, &buf[6], 18);
) n; x5 k: `% L! p q4 W - stbid[18] = '\0';' f) ^7 x1 L, i- x6 t- O
- 6 W7 W" |, V3 C" ^# k
- return 0;- \" D# X. p0 [: ^
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
! k: D0 P# q% q - {
5 P- K; Y! c; Z; v - int fd, ret;
, S, f$ [! ]0 ~* S0 x9 y0 X - e2prom_s_cmd arg;
$ I; R9 p' l2 s3 A' V4 B - unsigned char buf[0x18];
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M; u3 s& Y" j, t0 n6 n7 M5 A6 S0 h- memcpy(buf, mac, 6);
1 a* U2 S+ ]- x; ?( I, T - memcpy(&buf[6], stbid, 18);* ~8 `5 o$ E) P; v$ m+ }* a; {" q8 o$ j
- fd = open(E2PROM_DEVICE, O_RDWR);+ U- U9 p! E! @) q* L
- if (fd < 0) {$ ^* r( k& l& g, K* Z
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ g' l" P2 V$ v" ^5 e - return -1;2 c8 R8 |, L& Q
- }, C- ~. |/ b' K& D5 N& H5 h) D
- arg.sub_addr_count = 2;
, y& m: Y# c8 d" h - arg.data_count = 0x18;
9 Z) ?# G8 ^/ U - arg.e2prom_cmd_sub_addr = 0x290;' T4 Z( h+ ]9 L
- arg.e2prom_cmd_data = buf;
- W, U* U+ ?5 ~) S - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ T% x1 W. ]& h
- if (ret != 0) {, A/ u" b/ X( H5 ]: ? O
- printf("Device %s write error.\n", E2PROM_DEVICE);: i' G" V/ S0 }. Y* b7 R A
- return -1;4 P+ L% J9 m; _( S
- }
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/ u2 H$ ^" ]4 h# m2 n5 U- return 0;" s l, Q. U- B. U$ |: H
- }
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- int main()9 _4 M# i- @) y/ p, O
- {5 d+ r, j! {3 Q6 Y! X+ C
- char c;3 Q4 D7 m' g5 n2 `' \- e, c
- int i, macs[6];
6 R3 n& _0 K. J: l, f' v7 o - unsigned char mac[6];- q: {) q$ i& _6 B, [0 K
- unsigned char stbid[256];+ u6 K" H( d' |5 I
- ! S; z: b b. T
- if (readparam(mac, stbid) < 0), n! S" ?; O; ^3 U- C; Y
- return 1;, [6 x. K A8 R" }, y
- ' {. q( P0 o& R c: m
- printf("Current parameters: \n");
9 F1 k% U7 V3 V# _+ _, a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! E$ B% @! |* L2 i9 |5 o5 _! |' m9 j
- printf(" STBID: %s\n", stbid);, l& K) }: h3 M3 h
-
/ q$ I$ t2 U* d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& d: {0 T& o5 F6 O5 ]; j) Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% }. |5 h8 J' R# a, \# S - printf("Input MAC error\n");
3 L5 [! s9 T* G3 w2 d - return 1;
7 W9 M* o5 E% \; k, } - }
$ r* Y& ~- f* C m! u: I - for (i=0; i<6; i++)mac[i] = macs[i];' b; Y, t" I' z M& k( @
- printf("\nPlease input new STBID: ");2 v9 {3 s" A* `% B+ }
- scanf("%s", stbid);
' m( D& Z! p- t9 f4 | - if (strlen(stbid) != 18) {5 q, w* k( b& {# ~" H
- printf("Invalid stbid\n");: Z# F9 r8 L. r# d) x; b
- return 1;
- E" X" S% U* H: ^* U$ _ - }1 Q# t: G! H! o1 n) ?
- printf("\nNew parameters: \n");
7 D0 f. ]( h% ^9 y4 R1 \4 D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! G! S% g0 `, M - printf(" STBID: %s\n", stbid); y" I' A+ L% t3 H1 t/ K7 c
! i3 L, m, p( }- printf("\nDo you want to change paramemters? (y/N) ");
; ?3 g, N& ~8 @5 e! ]# u- h) q7 A" [5 q - for (;;) {, C; b/ W# z7 h% n( M; \
- c = getchar();; |; T& K% C% F4 y
- if (c == 'y' || c == 'Y')
! s- |! \$ ~) B6 ~8 d$ c - break;- |- Q# C" P+ f* Q; y z1 B
- if (c == 'n' || c == 'N') {( ~, Y- \9 ~0 t4 e
- printf("\nAborted.\n");
$ V; A# Q# O8 P7 u+ Y - return 1;
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- }/ v! e$ M O0 o& I% B1 j( c7 e
- if (writeparam(mac, stbid) == 0) 6 I; x* h% Y9 F
- printf("Parameters changed.\n");
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- return 0;
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