本帖最后由 0522 于 2012-3-21 23:04 编辑 + p' N, w0 I- e4 B/ W! r
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修改的代码早有了。到今天不会编译。3 ?+ P) M% \. q8 O9 V& S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> I$ o* K6 q& e% H; T W) G
- #include <malloc.h>
4 ^ E- v ~# J - #include <sys/types.h>
$ k Z3 B! o* A. B V) w - #include <sys/stat.h>$ m0 r* d+ V+ u/ ?
- #include <sys/ioctl.h>
, V6 \9 W1 `3 L8 M- o - #include <stdio.h>$ `' p( p- }+ i% _9 Z
- #include <string.h>
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- typedef struct {
! i" s& R* w" Q5 n) B# b9 E5 v - unsigned int e2prom_cmd_sub_addr;/ U- Q* }2 m: {/ U3 i
- unsigned int sub_addr_count;/ ^2 ]( g5 w: f
- unsigned char* e2prom_cmd_data;
& y3 h) S0 Q3 n9 f - unsigned int data_count;
2 W9 Q+ n6 j% x. U/ M+ v- o - } e2prom_s_cmd;
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m0 L$ _5 F) X+ M- #define E2PROM_CMD_READ 1) a% m! B/ I0 S0 T
- #define E2PROM_CMD_WRITE 27 v) L2 g; \8 r- e0 e
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
1 Z1 y6 D' T2 p& h" h - e2prom_s_cmd arg;
! K8 }6 W, V) L7 ?# c7 ~ - unsigned char buf[0x18];' v! y8 G$ |# ^: R
9 w% `$ @+ v% e& L- fd = open(E2PROM_DEVICE, O_RDWR);
2 I1 Y+ Y0 r( y. L0 [: b - if (fd < 0) {
" K; l1 ]' W5 V7 P) e - printf("Device %s open error.\n", E2PROM_DEVICE);; X; N! P6 A6 Q
- return -1;' ?( W; U! r% X" L! i# g
- }
& u* b2 Y/ G5 b- x* [- }& F: ? - arg.sub_addr_count = 2;
% K8 X+ u! W2 W6 A - arg.data_count = 0x18;4 ]1 i9 x% E0 s t- ?' Z# C. t; M7 r( J
- arg.e2prom_cmd_sub_addr = 0x290;
1 s- k2 o7 E& H( K - arg.e2prom_cmd_data = buf;
^3 T# w4 Y/ g" U$ e7 e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 I/ p6 W9 V9 o/ A: ]
- if (ret != 0) {) T b8 d) v" i Z& f4 y' }, [
- printf("Device %s read error.\n", E2PROM_DEVICE);5 ]6 f( ]. D. }- f
- return -1;" b4 ?6 D5 \7 t
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- memcpy(mac, buf, 6);0 ^+ _. t7 w/ h9 ~$ q2 v; l
- memcpy(stbid, &buf[6], 18);$ z/ q( T& L. |# v/ C7 ^
- stbid[18] = '\0';
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h: `' f6 a' ]7 \ S- return 0;
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' I7 \( g* `$ t% { B& o( P% w) A- static int writeparam(unsigned char *mac, unsigned char *stbid)9 s1 d6 H3 J" j! S2 m
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- int fd, ret;; v+ n3 i( k; f) ?/ B9 G) [
- e2prom_s_cmd arg;
. y1 h6 w6 ~! x7 g$ ? - unsigned char buf[0x18];2 @: v% ?8 D2 c' z. l' c2 B; T
# }2 z% N& w% ^- J: p- memcpy(buf, mac, 6);
D! P$ R& f' [7 ?+ f% B |2 r - memcpy(&buf[6], stbid, 18);8 y6 |% p* Z" b1 q0 H
- fd = open(E2PROM_DEVICE, O_RDWR);
% e# F* k) I8 m1 T/ t* f - if (fd < 0) {& h1 l- X2 D1 x+ {
- printf("Device %s open error.\n", E2PROM_DEVICE);
q6 ~# s9 T. \7 a - return -1;
( _! D/ p$ ^" a# w - }
" W8 t% M+ r2 F - arg.sub_addr_count = 2;# ]( r7 J( c( g3 H; m! F0 {$ _
- arg.data_count = 0x18;
7 b. s1 E% x a' w+ Q; t0 G - arg.e2prom_cmd_sub_addr = 0x290;
% G2 P- J3 o8 h5 N( G% ]- W, |8 b% l - arg.e2prom_cmd_data = buf;# S. |" q4 l0 R; M b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ j' u# k- S1 @, Z6 i8 x - if (ret != 0) {
: e7 [- Z9 _0 b- E - printf("Device %s write error.\n", E2PROM_DEVICE);
+ c4 k/ P- R6 `$ s3 e+ h - return -1;
8 p" @/ ?0 s8 R/ N - }
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- return 0;, Q2 }2 W9 j! A/ |
- }
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- int main(). _0 ]( ^% }) N0 ^, B
- {
! C2 k5 b8 u5 _8 C' Y - char c;
7 t5 F+ _5 @ b - int i, macs[6];; f+ D# r/ a5 f
- unsigned char mac[6];+ _. c6 w# R; K/ y2 v0 \" J
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)- u% k; p8 ^* _ `: d3 B. w' Q
- return 1;
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% Y( \( V0 O) E3 L$ K) x$ ^% ?- printf("Current parameters: \n");
' }# ?7 i" Y. O, S/ ?* M1 Z( i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" R! p/ g" k8 e2 I9 p7 P - printf(" STBID: %s\n", stbid);
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/ p1 I. D0 i0 p' C - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: e# L+ I! e8 K* I1 A1 g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; l/ [! a0 k+ j6 K - printf("Input MAC error\n");
1 O3 Q& @1 ^$ Y" l - return 1;* z( T* S3 E$ y3 |
- }* e$ T9 U' J& r: q& ?
- for (i=0; i<6; i++)mac[i] = macs[i];
) g2 V+ X5 c$ O+ v$ c - printf("\nPlease input new STBID: ");7 R m! [3 d* Q+ ]* r
- scanf("%s", stbid);7 W+ X" ^2 C9 x* i, A/ l. ?% X
- if (strlen(stbid) != 18) {
3 o' g7 {8 i: v - printf("Invalid stbid\n");
+ Q7 J5 p: R1 O7 Z+ o+ p! {, T - return 1;
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- printf("\nNew parameters: \n");. s- [1 w% R, `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: x* @- H% S* g( v: p - printf(" STBID: %s\n", stbid);
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) J* m% O8 A' I; N1 t. _! e- printf("\nDo you want to change paramemters? (y/N) ");
- ]2 O# R* k) v6 L: ^( p; x2 ` - for (;;) {
" I8 w- q, a8 J; n - c = getchar();, X* n8 R: L+ I9 M& @6 u
- if (c == 'y' || c == 'Y')1 I* ?( U+ z3 K, T; R) L2 U! t
- break;
3 a& B8 k+ w i1 ^8 x9 t. ^! V" E - if (c == 'n' || c == 'N') {! b: C6 D" t [% s2 d
- printf("\nAborted.\n");9 V0 M# B5 g1 U3 N# B v+ v5 u4 a
- return 1;* i3 x& F1 R, M/ Q2 }8 @
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- }
5 o+ R' x0 z" M3 r - if (writeparam(mac, stbid) == 0)
( _ i- s1 a/ z7 `# O1 J. h0 s - printf("Parameters changed.\n");
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- _% c1 K$ l6 j9 t- {$ Y- return 0;1 |6 Y: Z4 T/ N* m9 a2 q9 G
- }
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