本帖最后由 0522 于 2012-3-21 23:04 编辑 & Q( ~' b" n9 ?0 B8 r- m* l
. D6 C- N/ Z% k7 R$ Z修改的代码早有了。到今天不会编译。8 U4 H6 W/ y0 X% X& {( x, p7 R
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( n) f# l& `% V" T! K: K5 ^ - #include <malloc.h># ]; G; B( K; G5 X2 v2 i5 Z2 i
- #include <sys/types.h>4 S! X% [9 \% p5 Y! T5 N
- #include <sys/stat.h>
6 A1 P! ?- Q) ?% i6 M X - #include <sys/ioctl.h>4 M/ C7 b5 k! i+ H5 W1 `+ g: S
- #include <stdio.h>4 t( {0 y9 S y, _7 T7 G
- #include <string.h>' c( P8 M3 G( u* ^, L; T5 x& v) T
- j* k. N) U* {8 \
- typedef struct {
+ k. Z; h" n) Q, [ G% Y4 | - unsigned int e2prom_cmd_sub_addr;
) L* @/ N2 F* m - unsigned int sub_addr_count;
: t7 U% d0 ]9 u2 i2 S* D - unsigned char* e2prom_cmd_data;
% ~' P! t) M D; `# u5 { - unsigned int data_count;
% Y" B- }" e& O- y; Y; o - } e2prom_s_cmd;/ q2 v l9 \3 o* ^ U: \4 u
- ; g& x, e6 I$ X; U& ], W8 r/ K. f
- #define E2PROM_CMD_READ 10 I* J S$ [2 I0 `/ j2 o' l% c: Y' y
- #define E2PROM_CMD_WRITE 2
/ ]) c% P# i1 o: T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! a* Y+ k" c, s! v$ K! X4 a
* ]$ _9 }9 }; a3 Y7 u3 g* d8 b- static int readparam(unsigned char *mac, unsigned char *stbid)
. @/ w+ q# ]2 |2 t H3 A - {1 ?2 v6 l) d/ G6 _
- int fd, ret;
% Z& u, N" j4 M* y B. v2 V - e2prom_s_cmd arg;$ S1 J3 R K d5 b
- unsigned char buf[0x18];
( f( \, n% T, {* L3 H4 n L - 7 H& u. ~8 F! v$ g8 T% U5 f) c
- fd = open(E2PROM_DEVICE, O_RDWR);
' m4 |6 s1 T* [( }/ c+ v - if (fd < 0) {" }' `. i, X% j& B
- printf("Device %s open error.\n", E2PROM_DEVICE);
; t3 I; {& p. P9 i8 c4 v - return -1;
- `5 `2 z$ }. x: ~6 X- F Q0 \ - }) X4 D6 _ m$ s" R6 S& V- C
- arg.sub_addr_count = 2;" c4 a3 i* v, o1 U8 R0 N
- arg.data_count = 0x18;
x7 I; l2 k& k- s9 J - arg.e2prom_cmd_sub_addr = 0x290;
- U. [" |, G! e$ P7 d7 H) [ - arg.e2prom_cmd_data = buf;
) ~7 g8 I! o8 }7 {) y7 p K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);% i, u0 V0 k+ ^7 y2 h! v
- if (ret != 0) {
, L' Q( C; n; ^1 W/ h% T' U - printf("Device %s read error.\n", E2PROM_DEVICE);
$ ?) ~( y5 x/ } - return -1;
# F% m# z+ V# G: R - }
- Y+ g' N# B9 D C4 C; t1 c$ L% C7 O - memcpy(mac, buf, 6); ^' \2 W6 Q6 J% Z6 _) o) ]
- memcpy(stbid, &buf[6], 18);5 h! I' X/ A! ]
- stbid[18] = '\0';
2 G5 A7 X# J0 ^7 Z+ |- }: A - * w {6 c% j& X4 P5 u5 Q& y4 z/ ?2 q
- return 0;
' z2 e: R7 g) o/ P$ D+ K* F - }
7 s7 l2 i z0 B" w
, F4 R$ j: S8 `9 a. M" R! b- static int writeparam(unsigned char *mac, unsigned char *stbid) s" ~. T1 G2 h2 N' Y
- {
, ~# X- o3 v( F( p5 T - int fd, ret;7 M: _' H& ]# }5 p6 n0 Q. S3 K
- e2prom_s_cmd arg;1 U6 T/ D, N- R! V( q: x S2 O# I
- unsigned char buf[0x18];+ Z* W% E; L% I+ X! X
. r+ h" W. R; @- memcpy(buf, mac, 6);
' h( l5 I; K* z - memcpy(&buf[6], stbid, 18);
, U! @8 z4 A6 j! h& n( ^' K - fd = open(E2PROM_DEVICE, O_RDWR);3 C: S) `7 \( K# ]
- if (fd < 0) {
- Y* b2 T6 w5 M' D8 e7 F4 | - printf("Device %s open error.\n", E2PROM_DEVICE);
! k, e# P& h/ B- L6 F7 g* z2 k$ @ - return -1;0 U& Z7 y; t0 d3 F: ^0 ?( U5 o' J
- }
- L$ E0 s' Y- |: }9 z% l }# t0 G - arg.sub_addr_count = 2;
+ M* I* j# t) I7 L% h) k - arg.data_count = 0x18;0 z. a' Q7 P8 |6 S/ \9 T$ O
- arg.e2prom_cmd_sub_addr = 0x290;
5 M8 i, ^+ a" R7 D - arg.e2prom_cmd_data = buf;
7 O2 m2 G6 Y: e( M7 L- p - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& p2 v o; x5 D, n - if (ret != 0) {
/ Z: {! a, y* z0 `3 `$ b2 Q2 }; @ - printf("Device %s write error.\n", E2PROM_DEVICE);! a1 `% O3 r g0 ~3 t" E( i
- return -1;" [# X. @7 c7 y8 I r
- }* ]: G( T, ? ]3 ~8 z! \$ ~
0 \6 A9 e% o4 f. m2 `) x, c {9 g- return 0;
1 u; u% @0 u3 H/ } - }
: b9 Z0 B$ g0 g$ O/ L
* w+ f1 h! |* B0 N0 k% O- int main()
# I5 V' T0 F: e7 J5 ]! `5 \' b - {2 v5 M0 T+ ~& {, f& |
- char c;
3 T& \& N* |: P3 s- o - int i, macs[6];
4 U5 r- [/ p ]+ o; \0 ~ - unsigned char mac[6];; G8 ` m9 v1 K& X* f8 [
- unsigned char stbid[256];
# b2 O4 v0 Q! C& q2 A - 9 |) Z/ T5 }! A0 L& ?3 h& H2 Z; ~ t
- if (readparam(mac, stbid) < 0)( Z2 X2 v, A' X
- return 1;2 {% ?; S3 C; f9 I8 x8 ?1 W' q( ~) I
- 6 U) |9 A1 l5 j9 E% ^& b
- printf("Current parameters: \n");* c" u9 k9 `) y! R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ J! N, F$ r& \8 ]2 m* F/ o* [
- printf(" STBID: %s\n", stbid);" f! w" Y9 [( `! k/ ]. I/ T
-
' j) ^! w! d6 y% G m: ~5 e( k( o# w - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! ]+ D* e8 {4 @/ L( ?- K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 X8 T: n! U% Q9 h
- printf("Input MAC error\n");
5 }" h% b) _7 ?; m, ^' q' l: A - return 1;
6 \1 Z' [5 K; ?' z* h1 H" p' x/ m - }
" T" O0 R. O3 a/ ~ - for (i=0; i<6; i++)mac[i] = macs[i];* m; u+ Y1 m" K# c( {# b
- printf("\nPlease input new STBID: ");
. Q( Y' Q) v/ W1 v' t3 O - scanf("%s", stbid);' U0 U( n( @4 K; h6 m- s/ u! s1 D
- if (strlen(stbid) != 18) {
1 S9 Y8 a1 H9 } - printf("Invalid stbid\n");
* |% t7 b* P" |4 o$ M9 ?2 `: ] - return 1;0 B, q/ y! o5 Z2 q) [
- }
! h X! R" ?& |: }; V- U, a* [ - printf("\nNew parameters: \n");
1 q4 a, o4 E# t - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: v6 X6 A: ]/ j8 O4 F
- printf(" STBID: %s\n", stbid);
) w$ ?$ T ?! m3 ]+ W0 G! d* c
. ^6 j L! m7 p$ G- T- ~! h% x) I- printf("\nDo you want to change paramemters? (y/N) ");' B% @: M; F( T
- for (;;) {3 ^5 A3 Q' h7 z, U1 p
- c = getchar();
! D/ G! `2 D& W6 e. a: ^ - if (c == 'y' || c == 'Y')
# k! f* T( ?7 M: @0 W2 N - break;0 c" l4 s. L% h9 r8 u. p, d8 p
- if (c == 'n' || c == 'N') {9 g$ q5 E. @* s
- printf("\nAborted.\n");* E. F' f* h; G" A# V J
- return 1;
) w$ Z( I7 n( d6 ]$ [; Y - }
! l6 L: H$ i& a$ J) ` - }
) Y G d0 f! i" O! g; v - if (writeparam(mac, stbid) == 0)
8 e2 X2 [2 m2 T9 ?% \ - printf("Parameters changed.\n");3 `7 e: I' \# x" L2 J$ f
- - q3 p2 f& g) s# H# @/ E# s; s
- return 0;
0 h8 z9 i& [& C8 A1 W1 @! n - }
复制代码 |