本帖最后由 0522 于 2012-3-21 23:04 编辑 ; `7 k! Z9 y" ]8 G( z$ D) i
' e& ~0 [# {* ^ {修改的代码早有了。到今天不会编译。" J6 m8 O4 I: D
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ ^2 J [0 f5 _' ]3 _$ l9 @
- #include <malloc.h>
7 e- B N( W( \! l - #include <sys/types.h>, b! a* ?8 l4 E0 Q+ q' O
- #include <sys/stat.h>, d* @+ O4 y( ^3 R; P4 c
- #include <sys/ioctl.h>3 l* `8 ^! [% h
- #include <stdio.h>, g* Y- o8 j9 Q" u; [5 c8 I
- #include <string.h>
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- typedef struct {4 A% q8 t) h' D/ j5 f$ d
- unsigned int e2prom_cmd_sub_addr;- ?. ?: p* }6 T' g
- unsigned int sub_addr_count;3 i* G/ P- d' w# N/ i
- unsigned char* e2prom_cmd_data;
6 @8 W. d& A/ N8 P1 Z- j$ N, j7 z - unsigned int data_count;: f0 G3 _/ r5 o% r3 b* r: V3 Y8 _
- } e2prom_s_cmd;
- ~/ _; \4 ?" P: a" k
) o5 e3 O* z9 V* ~- #define E2PROM_CMD_READ 13 l$ C3 V6 R. {3 E' {5 N+ A3 V
- #define E2PROM_CMD_WRITE 2% e* m: D* P/ S4 ]- T( N
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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' c, @$ X1 P0 V0 |( W% I7 C- static int readparam(unsigned char *mac, unsigned char *stbid)8 F* b, V% x! }( U2 U K3 D
- {
9 i2 Z- }1 z$ p5 r, ^ - int fd, ret;/ D; ^3 z! _' y' N- U7 G
- e2prom_s_cmd arg;
3 j9 g0 l- C; L% d; B) | - unsigned char buf[0x18];1 Q, g! D S3 \$ z
- $ ^; o7 }: S! E* R/ j) D6 B
- fd = open(E2PROM_DEVICE, O_RDWR);; {( R5 n! T6 c5 v& S" M
- if (fd < 0) {2 C9 V# f2 h1 D) Y j
- printf("Device %s open error.\n", E2PROM_DEVICE);- [- n& C% K, p7 u; s: g% |& B- c
- return -1;' ]( q% n r# Q6 N* v/ O
- }
9 o; c* s, O7 ^0 B - arg.sub_addr_count = 2;' ^" H, t' N' X. Q
- arg.data_count = 0x18;7 U, m7 g' c+ G
- arg.e2prom_cmd_sub_addr = 0x290;
: n! V6 M2 j4 {( Z% r+ [ - arg.e2prom_cmd_data = buf;. p p% `' _0 F4 N, r8 i9 O! A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 o' x# f( E! C: J# I - if (ret != 0) {
4 s. X* w2 [0 k3 k+ `9 V7 s( d - printf("Device %s read error.\n", E2PROM_DEVICE);" w; s& H0 f O# g
- return -1;4 u4 w; o1 }0 ?- v" T
- }& ?6 V# U9 F- n5 ]
- memcpy(mac, buf, 6);
- z( V7 z' w1 U4 S$ Q" ? - memcpy(stbid, &buf[6], 18);- X" G/ p9 H% h
- stbid[18] = '\0';/ ~2 n, V' t- N) U z1 x
5 |! m9 ~4 Z6 g! M7 _% g& C- return 0;
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- % `/ Z1 V# n C% O# v
- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 n( G V3 W9 t5 ]1 } - {
~# e$ s. o1 `, I" l6 E - int fd, ret;
G5 b- I5 @) e* A* T; c. p - e2prom_s_cmd arg;
7 g: I8 _4 }# Z& ` - unsigned char buf[0x18];5 k. `7 k% A0 `! ^5 ~+ E8 _
, I/ B9 G* w: x% H& P4 P6 E- memcpy(buf, mac, 6);( X, H, L& m% `9 y5 A
- memcpy(&buf[6], stbid, 18);$ F6 O( ]" h: S9 }; G5 u
- fd = open(E2PROM_DEVICE, O_RDWR);7 m u$ p" o7 r/ D3 \) L
- if (fd < 0) {1 C2 S9 e- l$ Y3 N: y9 {' C N
- printf("Device %s open error.\n", E2PROM_DEVICE);: Q1 E0 h( B( l, W
- return -1;
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- arg.sub_addr_count = 2;! [- B, d6 u* V2 D6 L% m ^! N% Q
- arg.data_count = 0x18;, M/ [; p' Q& k( ?& {
- arg.e2prom_cmd_sub_addr = 0x290;- S; R+ p- F5 B9 [4 d5 G3 z
- arg.e2prom_cmd_data = buf;
9 G9 X( s6 {0 v2 r1 b% c" y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* Q' y! j3 {: S$ Q' T. Y
- if (ret != 0) {. j4 o) v* L& r5 F+ W$ |
- printf("Device %s write error.\n", E2PROM_DEVICE);7 N* ^/ B- Y4 Q
- return -1;8 [0 v- X4 h5 ~9 F- O! p; Q
- }
- a6 k+ a6 h4 r; i/ a
* M1 i& [- ~; V& d8 u( s/ @) B+ B- return 0;
8 ?- M' O( T5 O0 } - }
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- int main(); |! ]3 B$ T1 H8 p' q0 y6 I) z. W
- {
: r* v M- o# v - char c;
& @: B; m6 q3 f8 ]" {; ^, W7 w - int i, macs[6];
& `5 v9 \4 F4 w - unsigned char mac[6];
. k3 |5 t6 j) a E- C+ X - unsigned char stbid[256];3 o1 L& n- ^+ s$ Y4 g+ G' S
- ' @6 a1 W9 ] i, T
- if (readparam(mac, stbid) < 0)* X! K# l: i2 o) o: p/ x
- return 1;
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- printf("Current parameters: \n");
@2 y8 Z2 {% a" y& S! e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. N" ?& Z+ a3 H- T+ S( r$ K; u5 ] - printf(" STBID: %s\n", stbid);3 m+ l. ~. j) A; _6 `2 x" [
-
! \+ a" x3 e3 k: U8 E' @5 f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 W [9 N2 b7 e. ]6 ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* j; }4 g/ L0 O# D3 ?- S6 t1 [+ c" N7 A4 j
- printf("Input MAC error\n");/ N. O' Y. p+ c/ r( U4 H" `, T3 O6 @
- return 1;) j3 S# y, y( y8 G. P
- }
) ~2 w6 O( l0 |0 m+ j$ r - for (i=0; i<6; i++)mac[i] = macs[i];
7 ?- ~. K4 X0 e% }2 \6 n3 n8 F - printf("\nPlease input new STBID: ");5 k3 F- v" J& p9 H ^: z* ^* E
- scanf("%s", stbid);
$ W7 {7 R! g& _, T3 w - if (strlen(stbid) != 18) {
0 y( z- U& g7 ?' N& E& [ - printf("Invalid stbid\n");
9 e- Y: H- ^( Q - return 1;5 g0 l/ @7 o( V" U
- }. d6 F- Q- y& d4 c4 o
- printf("\nNew parameters: \n");
0 g% X9 e* ]1 `8 P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 Y. Q4 H0 S1 s" q8 n6 E - printf(" STBID: %s\n", stbid);
# f- A$ u% D, |6 b# Z) E4 W" t - $ Y! {) c U9 d
- printf("\nDo you want to change paramemters? (y/N) ");
0 e( S& B' e+ M, O$ \8 l - for (;;) {, u$ s6 L3 M1 r+ N
- c = getchar();2 q7 d1 p! _4 Q8 s' Q! p
- if (c == 'y' || c == 'Y')
% f; [" s5 ?% a - break;
/ p2 e1 M8 ?$ h8 B0 m - if (c == 'n' || c == 'N') {
( S& |3 _& k7 I5 _/ U* P' f - printf("\nAborted.\n");# D# d; A+ L! F5 r
- return 1;1 j2 T9 S6 q8 r% o4 r
- }
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- if (writeparam(mac, stbid) == 0) ! I2 E6 T" j9 d9 _# B; Z( ?6 X
- printf("Parameters changed.\n");1 {4 R3 y8 x, J! q) N0 Y
- - a/ `5 P! j! x# q# o5 O
- return 0;7 J+ W& Y3 z6 s) z# A
- }
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