本帖最后由 0522 于 2012-3-21 23:04 编辑
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" m( {# |$ J) A! q' g修改的代码早有了。到今天不会编译。) B5 k2 R5 v" P) H0 T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" R$ k8 P8 Z' Y, Y, x. D5 f3 H - #include <malloc.h>0 x1 w! G% Y N$ m! ^) K8 W
- #include <sys/types.h>9 o b7 w8 U$ u: Q8 `8 l. |2 a
- #include <sys/stat.h>( F' N! W; K+ O- N |
- #include <sys/ioctl.h>
% F- j/ D! J7 b9 X- y - #include <stdio.h>1 @& N% I1 y% k5 C
- #include <string.h>' \0 G' M' D. j0 ^. c' {. ]; B
- 0 U8 Y+ D# `: V9 U' y
- typedef struct {5 _8 ?+ n, r: {* V$ R7 U
- unsigned int e2prom_cmd_sub_addr;9 d1 J9 O) P7 _7 U
- unsigned int sub_addr_count;% U7 E) e' p4 m. R% Z2 P
- unsigned char* e2prom_cmd_data;# o1 @6 f; R5 e; b
- unsigned int data_count;& Z; y3 e3 C) t4 t) g$ q5 \4 @1 V0 _. f
- } e2prom_s_cmd;: g* T7 F) q5 `
- 7 m' Y' V' i' a* i$ P3 u8 z: w& v! {
- #define E2PROM_CMD_READ 1
' U- F6 [" {7 A) I& Q - #define E2PROM_CMD_WRITE 2
& q7 U5 T- q K& s4 T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 l: n, h; j# \7 r: J
6 d1 a+ j8 Y( C4 }+ ^6 D. |- static int readparam(unsigned char *mac, unsigned char *stbid)1 ^5 ^, S! K2 f$ F1 P( q0 c% b
- {" Y" j8 l0 X* }4 W/ ~* l* ]
- int fd, ret;
, ?) R5 `! M* q8 T% L - e2prom_s_cmd arg;
; V/ u, k" T7 G- B4 f- t$ \ - unsigned char buf[0x18];3 ^) q0 O' w! B4 A0 I8 ^! H/ a+ G
* E- j% G# _/ Z8 |; E) y- fd = open(E2PROM_DEVICE, O_RDWR);6 N; a: `$ P+ ?0 y+ f$ f9 _8 w0 Z. P
- if (fd < 0) {
5 p! X- x2 u! g" J7 f5 f) h - printf("Device %s open error.\n", E2PROM_DEVICE);7 Z+ b. O, F5 N! H" s
- return -1;
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- arg.sub_addr_count = 2;" U) W8 o O' M# q, }( b7 a7 H8 p
- arg.data_count = 0x18;
( ]$ g t# L5 E) ^+ R% n - arg.e2prom_cmd_sub_addr = 0x290;+ s: @: w* K9 ~0 ]
- arg.e2prom_cmd_data = buf;
2 p1 H3 Q7 K% G1 H z( A4 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, a% C2 w9 Y+ T: i! V2 ?
- if (ret != 0) {
, J4 S) h/ W# `/ s+ T$ t - printf("Device %s read error.\n", E2PROM_DEVICE);
! | H4 V# t7 X& F0 k; m - return -1;
" [, G1 r4 v4 } y* p: p - }
6 v. I( v3 ?) R! R/ D* W - memcpy(mac, buf, 6);' S# I" k0 [1 {# U) S
- memcpy(stbid, &buf[6], 18); [5 @0 @8 K+ j9 `5 [/ ^: e
- stbid[18] = '\0';
9 R0 I0 `; C' X/ C' ?% @5 L. V - ( U4 E5 t- R+ C$ B$ w, `
- return 0;. H3 v+ C; ` S' n2 c* O# z! v
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 o9 I; r6 ^( W- W% i8 |* i9 z - {
. W, W3 q( j! e - int fd, ret;
9 }+ Y. j9 R9 m6 [* J - e2prom_s_cmd arg;2 k2 l, r6 ?1 e! m1 h8 F
- unsigned char buf[0x18];# w, q! p, k' [2 j- `8 j" P# j: r
- / {/ W* Y8 k& k0 C
- memcpy(buf, mac, 6);9 F. x5 i% a; Y. [/ G
- memcpy(&buf[6], stbid, 18);9 f, \' d5 A+ M. l' o' S
- fd = open(E2PROM_DEVICE, O_RDWR);
1 I/ l- z0 J) e ?5 Y5 x - if (fd < 0) {
( |/ O$ Q/ `1 D* L2 f1 U - printf("Device %s open error.\n", E2PROM_DEVICE);
( F, Y' O: B4 l: \; p. i, t - return -1;1 p: T8 x( \8 K8 A1 ?8 s! r
- }
$ P- j/ l8 `4 I" G( b8 C4 {# t" v - arg.sub_addr_count = 2;
) q4 M' y, u& V8 n0 O - arg.data_count = 0x18;3 o1 d8 c6 @ I! v
- arg.e2prom_cmd_sub_addr = 0x290;4 X6 j7 }0 W8 Y4 m
- arg.e2prom_cmd_data = buf;$ E8 I4 t/ d" B" I! g! |" }6 y# q7 f
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 j7 |0 B3 d! Y; S - if (ret != 0) {
# Z- \6 U, Z- ?% w4 b2 c - printf("Device %s write error.\n", E2PROM_DEVICE);
9 M. X% E5 z" P - return -1;6 R0 K8 M. C# q1 I' r' L
- }) ]3 ?; f- U3 U$ a3 U
( B' k0 A* H$ t% x- return 0;
# i, M3 J6 f4 f9 b* ^' I - }/ a& d. B3 }; V: c6 }
, r# U' D3 p) g: I! B0 o0 A- int main()
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- char c;- ]; A5 }& {0 M! E
- int i, macs[6];! H7 {* M; r/ J9 r) r- ?9 K% s6 B0 X( e! f
- unsigned char mac[6];& n- D4 f" l5 Y2 j" O3 `
- unsigned char stbid[256];4 c8 a% o" O" N( @+ B5 n2 `
- 4 S. w3 b' Y- a) W: b
- if (readparam(mac, stbid) < 0)2 L0 Y6 W( F: I
- return 1;/ Z$ w: O+ F" o/ M/ G5 t9 {
- - l, r" H$ I# r3 a; {
- printf("Current parameters: \n");7 z5 B$ j" j* ]3 I) S' b9 b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* x2 q' Y! D/ }) x - printf(" STBID: %s\n", stbid);8 d& A0 j3 N' \
-
2 h) k8 {& `; m& [6 o6 S* s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 N2 v; e& q$ d3 O7 X" ]1 S - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) O# _" d- @9 A w( G4 |
- printf("Input MAC error\n");
' t+ ?. o5 k4 c9 ]# m4 O! Q( f. m I - return 1;$ i, r% M/ P& x, k5 C* H
- }
b) E- E! h) [* p; w: t& v* j/ I2 J - for (i=0; i<6; i++)mac[i] = macs[i];
5 I5 W8 D, l+ R$ f* @1 b9 N - printf("\nPlease input new STBID: ");' G% Z( `# Z0 ~9 ~" G1 C) H
- scanf("%s", stbid);
( u6 [2 ?- \ l; X+ r q, L ~ - if (strlen(stbid) != 18) {2 A; |+ h1 S+ N
- printf("Invalid stbid\n");
7 { q# D" a, l/ ]# Y/ ] - return 1;
- U* _. l- O* H$ @3 M - }5 H. ?3 {% b" h6 [
- printf("\nNew parameters: \n");
% x. E1 W8 F0 b: s: T0 S. J" P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" B7 R5 S/ f% r - printf(" STBID: %s\n", stbid);2 I) V9 U( g" g' ^
- ' P, {8 D7 Y: n+ Y; ?, m
- printf("\nDo you want to change paramemters? (y/N) ");
# k% d( U! i! ^9 K - for (;;) {
3 v- M( g l" i0 a9 n8 b - c = getchar();
, T8 X2 t0 e; a. c+ {. t' G - if (c == 'y' || c == 'Y')
% E; g8 X8 ^8 ? z5 W - break;: `1 c5 \9 j! `2 Y' A% q8 A* D9 k
- if (c == 'n' || c == 'N') {
" v! _! v7 D/ v u* W - printf("\nAborted.\n");4 k0 T! [, M* j4 l+ Q
- return 1;
! R+ U+ ~8 {) _$ I - }
# a7 X. Z! @5 M9 T3 ^) U - }9 d; X* N; Q. v T
- if (writeparam(mac, stbid) == 0) 0 c/ W% ^$ [+ w
- printf("Parameters changed.\n");. b- g9 M: K# ~9 Q* |2 {
- 3 m) Y- [8 G& h7 J0 p9 i
- return 0;
+ r$ Z; q: D; P! n - }
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