本帖最后由 0522 于 2012-3-21 23:04 编辑 2 O0 m: i, o! Z, p/ U z
- n0 w# P! T% h" Y2 P, |% c修改的代码早有了。到今天不会编译。# v7 Z8 k$ u& G, r6 N$ X2 O4 i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ N" e9 p W( B! F5 u - #include <malloc.h> V ^; u v& z3 B
- #include <sys/types.h>( \8 R1 U2 E& I' O. ^1 X4 Q/ ?
- #include <sys/stat.h>- A q1 h7 T1 Y p' u
- #include <sys/ioctl.h>
. `! Q1 \' S& [( p( s* Q- ]7 | - #include <stdio.h>
. U- i& X* E$ T6 Q4 t! Q - #include <string.h>
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9 u, i6 t1 f5 b9 C/ g# v- typedef struct {
; W x+ p* V# K: g6 }, L - unsigned int e2prom_cmd_sub_addr;& j K0 F3 U7 y! p5 K) T4 n
- unsigned int sub_addr_count;
: {- X0 V' V) {$ ^' ~9 K* d - unsigned char* e2prom_cmd_data;
) h2 V/ t: I$ Q5 a4 | - unsigned int data_count;- K f( e6 ?5 C/ ?9 \ @
- } e2prom_s_cmd;
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% f* N( W' d8 b% P- #define E2PROM_CMD_READ 1* S D9 i( T8 w( Z# T
- #define E2PROM_CMD_WRITE 2
1 M3 ]. ?& ?* F& Y8 z! h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
3 A7 b5 c+ y- a. N5 O9 V q - {
/ u# R: a ?: v% a: o - int fd, ret;
. Y2 U! K, N! q - e2prom_s_cmd arg;# f" J. Y. ?& R
- unsigned char buf[0x18];8 @1 s- n: m- i+ O
c) n3 ` m5 r2 p; r- fd = open(E2PROM_DEVICE, O_RDWR);* y+ ~, W" M. B) s: u
- if (fd < 0) {
2 j7 i7 k' o8 l/ B - printf("Device %s open error.\n", E2PROM_DEVICE);: h% Y. ]+ U5 d/ a. |4 t4 ?; Z
- return -1;
o# q: i6 H# u% e" E% F8 a# N - }
6 d3 \2 @- Q& p/ R/ e - arg.sub_addr_count = 2;& B. {( b1 x* R, l" g" O& N9 K# P
- arg.data_count = 0x18;$ g) B: a6 J4 A9 R6 _! x& J
- arg.e2prom_cmd_sub_addr = 0x290;
; I7 I3 @1 u1 ]9 o - arg.e2prom_cmd_data = buf;
% V9 A# ~2 Z& U/ r/ k* q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 I: H5 U( {" p1 ~' w7 a# ]0 c - if (ret != 0) {
8 Z+ v( p0 g0 I - printf("Device %s read error.\n", E2PROM_DEVICE);
! f8 a Q! W* n: o - return -1;
# ], M g% N! ?/ |7 A9 k$ K - }
, p5 k& q6 \7 Z' q' A$ A: Q% q% Y - memcpy(mac, buf, 6);2 u4 l/ X" E5 C
- memcpy(stbid, &buf[6], 18);& T4 C! f; }; Y' Q; g |2 Z
- stbid[18] = '\0';3 L2 O, o2 s& Y; O. }; J- L
6 h& r, Z+ Q8 [& w- return 0;
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& T, o& z( ~# J, ] C" y- static int writeparam(unsigned char *mac, unsigned char *stbid)7 T5 W( e6 I- J. }8 U
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- int fd, ret;' h) m/ f* M0 ]/ X
- e2prom_s_cmd arg;7 s% A! E3 O4 y3 Y% j% \& q
- unsigned char buf[0x18];, n8 h3 ]' t) N/ E) U" |
- - V0 Y7 U4 u& ]8 }6 U
- memcpy(buf, mac, 6);
: a c) G/ p3 D4 q - memcpy(&buf[6], stbid, 18);* E8 ?' m5 q& f) t9 M4 d7 r
- fd = open(E2PROM_DEVICE, O_RDWR);5 ?* g- N$ h; B+ k: w9 m
- if (fd < 0) {
4 I h! n+ J; c - printf("Device %s open error.\n", E2PROM_DEVICE);: M9 t4 M9 `. S; b7 b
- return -1;
' Q: _. @; n; O' r6 P' Z% O - }
6 i) |" Y5 t+ s' s$ ^$ F - arg.sub_addr_count = 2;
. z/ n' y! T$ f9 k) L( d5 {( F* Z - arg.data_count = 0x18;* S! t( X* a& s, X7 S
- arg.e2prom_cmd_sub_addr = 0x290;
9 ~5 {; ~9 c+ ` - arg.e2prom_cmd_data = buf;
7 N" E, a( c) \ B) @+ s - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' ]/ `) L$ t& O! D
- if (ret != 0) {
. T& k2 Y. G7 O - printf("Device %s write error.\n", E2PROM_DEVICE);
- ]' D. z+ P t - return -1;
! {/ E8 Y. e3 @% v, D: p ] Y - }
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- return 0;) {/ Z- a, r9 Y5 `- t9 t6 X
- }
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- T: X# v1 o% m& z, H5 H- int main()) O2 y8 H' U: K
- {
- T; }% e3 u- V; w) w - char c;+ _9 M0 y! D) [
- int i, macs[6];& w) d; J- E8 J C* e) \' y' h: w
- unsigned char mac[6];
" e) L8 |# ~" P1 j4 L - unsigned char stbid[256];% r m% z! ?7 Q% |
- 3 G! X5 X# Z+ s. \) m( j
- if (readparam(mac, stbid) < 0)0 L/ e1 v7 w( @( H; w
- return 1;& g6 [: B5 P8 V, P6 l' ^6 e$ q8 W
' J7 O: ^; b! u8 T) \0 l& r3 {- printf("Current parameters: \n");
) b: N$ a+ Y- W' A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# K' o. q* S( u6 T7 U; [
- printf(" STBID: %s\n", stbid);, ?: I2 t/ X5 u. {. h
-
/ Q4 c' A6 @" m3 P' Y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 P1 L. R; Z' _% r) F% x: u7 {8 \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. F7 O2 W1 O/ y. D U/ ^
- printf("Input MAC error\n");5 T: z; r( C6 |9 S& [
- return 1;" C. l/ r" Z1 U8 s
- }# @# q, P1 T0 h
- for (i=0; i<6; i++)mac[i] = macs[i];9 T/ `: F) i: S% D% t# {
- printf("\nPlease input new STBID: ");* N c! I' X/ H/ l4 K$ K: C
- scanf("%s", stbid);
' l1 c7 a3 a- P# j+ n( r' x% J - if (strlen(stbid) != 18) {& k2 }) I* X8 r. [
- printf("Invalid stbid\n");0 ]+ J p- a4 H0 [) z0 W/ x5 u: ?( j
- return 1;0 k$ s4 v3 d+ ~3 C
- }- K% E0 c$ a" M4 l* a
- printf("\nNew parameters: \n");+ N. J. n1 _: o: x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 j$ a& v$ W) w3 E) i - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
- S- y6 h- i v3 T8 e, f. A8 G - for (;;) {
4 R, T. ~, }+ c0 |4 x - c = getchar();4 A: C! D% \$ Y; u) E5 p3 x
- if (c == 'y' || c == 'Y')0 Q2 x' y# t: W7 Q- t6 D
- break;
, K$ {. j, J( Z! I5 a* G - if (c == 'n' || c == 'N') {
/ ^! |- A$ b- s3 N! I( T! N - printf("\nAborted.\n");/ `. H. L4 V/ n# M
- return 1;
/ K9 e* N5 v) r* q9 G$ O - }
# s& Y0 ]. p, O - }; G, W8 x) Z, Y: }7 R5 w' }+ M
- if (writeparam(mac, stbid) == 0)
3 g2 l8 W3 w) Y0 i {8 | - printf("Parameters changed.\n");
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- return 0;
2 I. C! t% [$ E% ?5 m* L. d! a - }
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