本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
! K8 P5 Y% t2 g3 P9 V* N- S1 g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ L: p6 ]; ]$ {5 [" ^, c
- #include <malloc.h>
* A+ d/ y: f& ^4 K" E* O, ~ - #include <sys/types.h>
, n3 A& g( P& j- @ @, t. p - #include <sys/stat.h>+ v4 A% t8 ~, ^: a
- #include <sys/ioctl.h>) t% G V& O/ |
- #include <stdio.h>
+ G# _. i' ?: J/ V - #include <string.h>
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! r. q) n# x$ E6 Y$ S1 C- typedef struct {
+ B4 V9 \4 L( x! a H - unsigned int e2prom_cmd_sub_addr;$ T' A0 o1 m9 n" I+ V
- unsigned int sub_addr_count;( p% K. E7 c8 y0 q! G- y# p/ J6 U
- unsigned char* e2prom_cmd_data;
- L1 l8 w: y" M4 C% v V! E - unsigned int data_count;. h5 s: y5 ] j" [4 `
- } e2prom_s_cmd;+ o% @: j) p) O" G7 P g D/ h
0 W9 D1 j& R# h7 U- #define E2PROM_CMD_READ 1+ ]6 |6 U7 {( M& [8 n; ~
- #define E2PROM_CMD_WRITE 25 O. I1 I: }& C! x- [5 D0 S b5 w
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 `/ j; @+ p) m) C2 Z* H% g9 ~8 d9 o
; z: A6 D0 u4 |4 H4 {* M3 V- static int readparam(unsigned char *mac, unsigned char *stbid)
6 |5 j/ L' Z$ `7 Z$ T8 t - {
6 D4 x2 |9 K- c0 A+ G8 K/ P# O; H$ W - int fd, ret;
7 ^4 N6 ~/ g* c - e2prom_s_cmd arg;
# O) k- F, I$ G n6 M3 ? - unsigned char buf[0x18];; o6 f, s8 o; G$ M( {
: V! t3 i# |; `, p8 P4 O* G- fd = open(E2PROM_DEVICE, O_RDWR);7 ]# P8 g5 j4 @
- if (fd < 0) {, B) e- X8 f8 o! G* @
- printf("Device %s open error.\n", E2PROM_DEVICE);& T/ T7 g; g7 L9 n2 y3 A
- return -1;
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- arg.sub_addr_count = 2;
6 }$ ]; P0 s/ ^% M" g - arg.data_count = 0x18;7 r( K: F2 t" R$ M% z6 V
- arg.e2prom_cmd_sub_addr = 0x290;
+ q4 ]- V+ {+ Z8 W e! S# e - arg.e2prom_cmd_data = buf;4 l9 J6 U, T+ G) U! G* m; q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 t. j( q7 d$ E+ P - if (ret != 0) {2 n$ o# T2 O7 j7 v S! j1 ^! a
- printf("Device %s read error.\n", E2PROM_DEVICE);% k% w# a$ h8 |8 C/ w
- return -1;
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- memcpy(mac, buf, 6);0 s) V) F: S) c! B1 c# T. O. o' h; c
- memcpy(stbid, &buf[6], 18);
" c2 Z( V* R- {, O, w - stbid[18] = '\0';
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8 `' ^+ D; D; k8 Q8 ]- return 0;
4 o* S- f2 r* d9 H" h - }
4 O, [- I3 F5 R. X - . w7 \6 n0 U1 x: p' X4 ] ^
- static int writeparam(unsigned char *mac, unsigned char *stbid)
: R1 g5 e# S+ v) f8 B - {
! V [1 O( k( [2 D4 j; ~ - int fd, ret;
; x7 m% u" m! d - e2prom_s_cmd arg;
$ k- T/ G8 r) ^( l1 b. ~3 G - unsigned char buf[0x18];3 h+ y |& ~; A0 D' M
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- memcpy(buf, mac, 6);
r+ ^; B( }* _8 N. Y - memcpy(&buf[6], stbid, 18);/ _' e2 S# P4 W, [* e
- fd = open(E2PROM_DEVICE, O_RDWR);- t2 S3 m* M; g) A4 b3 U
- if (fd < 0) {
' s. t, U: s# }# w$ d r$ W. p- s - printf("Device %s open error.\n", E2PROM_DEVICE);
' [. i9 ~# p; h7 N - return -1;& Y' ^: p- U* b3 a# P1 I1 b- `
- }
8 z Z. U: a3 a1 H6 j* `# N3 z* y4 b - arg.sub_addr_count = 2;6 X6 W5 Y# r: b: y% G4 h+ g1 i
- arg.data_count = 0x18;
! @( k4 b# f j [' L& Z. H4 [ - arg.e2prom_cmd_sub_addr = 0x290;6 u3 _# T2 a; m% r# z
- arg.e2prom_cmd_data = buf;3 j6 h- @1 Y/ B6 K# ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 d# M7 h- l) i1 N( Q* \ P# y - if (ret != 0) {& K2 }) O9 G8 O4 {
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 y0 C/ h5 c% R9 b* I - return -1;& i. {. V( B# x; W
- }
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: L: r: k y1 u1 f0 v9 a- return 0;
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- int main()
# c" O5 v3 w3 C J/ `7 O# X( ^ - {5 z3 p' @/ ?1 e5 R- ~5 p
- char c;2 O; R& Y1 ^; L1 h! U
- int i, macs[6];
$ ]+ o! o5 Q2 s - unsigned char mac[6];# c3 m( S# q, @. f. c
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
3 N, @, l$ N3 e2 y/ M; r! y - return 1;& n2 `' t7 N j8 \) S \
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- printf("Current parameters: \n");
4 G% U& ?9 W" B, u; U) ^$ H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ \3 O/ m# H& e" L( X* ? - printf(" STBID: %s\n", stbid);0 K. g+ R/ D! T9 i4 d' E( [8 h
- " p2 \! K: Y3 h( ~( g; Z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. B9 D2 r9 F( j. a" V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; k! l1 q h2 a+ ]
- printf("Input MAC error\n");
# _3 C1 M9 E$ ~, S! E8 g+ E - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
6 P! {0 {4 |, R* C3 P& _3 T2 h - printf("\nPlease input new STBID: ");
! L. m1 x, N" f2 b& e% Y - scanf("%s", stbid);1 w8 n2 e9 ^$ d) e, R" r
- if (strlen(stbid) != 18) {
1 ^: f* W3 U; c7 D) P, B - printf("Invalid stbid\n");
0 t9 ]' M& R- I3 \; F ~ - return 1;
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- printf("\nNew parameters: \n");7 U; i7 ?! Q3 k$ w2 J; j) s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) U5 R) F/ \+ J
- printf(" STBID: %s\n", stbid);# d3 Q3 U% b2 L6 A% b
1 A. R h) q c- printf("\nDo you want to change paramemters? (y/N) ");
2 _$ ^, |+ c+ M/ ]6 a8 v0 |$ r - for (;;) {0 } A' O+ g5 M( A6 v, n! [% `% f
- c = getchar();
7 K7 k3 B9 H* J7 Q; d - if (c == 'y' || c == 'Y')
% Q" A# z. Q3 [" e# v2 g - break;
' O8 a5 A) a# D+ r: Q - if (c == 'n' || c == 'N') {+ n4 M6 Q8 m3 a1 R( I# i$ i$ A: S" K v
- printf("\nAborted.\n");' \6 p) W6 J' g% f& q0 [0 Y. N5 m
- return 1;
3 {& n5 J' k& k( L1 d - }
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- if (writeparam(mac, stbid) == 0)
~' c9 x6 G6 f1 Y% G+ { - printf("Parameters changed.\n");
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- return 0;
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