本帖最后由 0522 于 2012-3-21 23:04 编辑 * o5 Z5 R b* w, `
3 A2 B) \" ^5 M+ d& |5 L' `修改的代码早有了。到今天不会编译。
7 t$ w- v2 T1 i" o3 u( S% P5 H. e需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# b* {. y/ p: Y7 O+ d - #include <malloc.h>
( b; E; W; l* e4 b! r2 D - #include <sys/types.h>$ z1 p9 M/ {, H/ B- ?
- #include <sys/stat.h>
) p# |# F p; T - #include <sys/ioctl.h>4 l) t# F5 E/ L
- #include <stdio.h>
: E( m6 H( C4 T I( o - #include <string.h>3 p" |2 ?4 N) R( Y; B, k1 Z
# y F5 D: u0 X- W- typedef struct {$ u; U, e: ~0 `4 c- b1 z
- unsigned int e2prom_cmd_sub_addr;
- q$ k5 f: O z - unsigned int sub_addr_count;0 L/ T0 e* I0 `/ B
- unsigned char* e2prom_cmd_data;
% c% r7 O" i( t+ Z4 G. e- N - unsigned int data_count;/ q; E& i3 ~: `$ q3 ~
- } e2prom_s_cmd;+ \! c- T9 X& B# C0 T: V
- 6 g( [, X; u; L: z5 Z$ @* n% _
- #define E2PROM_CMD_READ 1
) d3 t, T' g4 s7 H. ^& Z P- m" R. A - #define E2PROM_CMD_WRITE 2
" r% ` d6 }: C0 N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 H9 R) x; |% S0 n: L# }
6 ~% W2 Y2 J2 R# u; ~8 u- }- static int readparam(unsigned char *mac, unsigned char *stbid)
; g5 j% b, j% r - {
! f& b+ s7 E3 I8 c- b# j - int fd, ret;5 ~4 G' ^3 J. C
- e2prom_s_cmd arg;
% v+ x0 n* n& g9 P; L: \ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);$ Q, |- F! V' ?0 O% h1 l5 L" Y6 m
- if (fd < 0) {
. @0 D' _ ]8 r; K* r, q - printf("Device %s open error.\n", E2PROM_DEVICE);! O# f3 c3 D& w; k- ?9 T
- return -1;& i7 `# b7 \( m
- }3 M: L( O& [* m
- arg.sub_addr_count = 2;1 M3 N* F& t- k' `) V
- arg.data_count = 0x18;. F: G8 P, u& D1 E& `6 k4 v l5 v3 d8 R
- arg.e2prom_cmd_sub_addr = 0x290;
. [9 t; t' W+ i9 U: c3 e# t - arg.e2prom_cmd_data = buf;
$ R% z3 k ]# A8 w& @+ g, J - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ l% ]( b2 X8 D; C; G8 J
- if (ret != 0) {
5 @6 X5 U* |9 \# R( O0 @ - printf("Device %s read error.\n", E2PROM_DEVICE);
: q: k: l: F. q0 W. W6 u - return -1;+ j y% o+ ]6 p+ [, z9 m
- }# d( Z M* b! e7 O+ Y& t+ f* N% o) ^ \
- memcpy(mac, buf, 6);
6 M: c. _- ~- j4 l9 s - memcpy(stbid, &buf[6], 18);
* \, C( u# I* q" Q8 ~) Q! _$ X - stbid[18] = '\0';! N+ ~* N2 F1 S9 v; \, r6 X
% s2 Z& Q( r) B: A9 |( J- return 0;# W7 d1 C+ u7 Q' J0 ?
- }
9 X I( `+ f5 X3 z
- \( W9 A/ O. ]" s: Z1 o7 W- static int writeparam(unsigned char *mac, unsigned char *stbid)& Q/ U, M; z$ i4 \9 a8 [, f7 S. r! p% l
- {
1 l, Y% w" Y+ F+ Y- I - int fd, ret;
$ Z+ b; }; I4 s, T - e2prom_s_cmd arg;
& S+ K# t( W7 _' G - unsigned char buf[0x18];5 _3 g8 S. T" n$ W7 r' x0 }8 o
# ~$ }2 R9 D6 @. ?* |- h2 D- memcpy(buf, mac, 6);
$ ~+ m! k$ x% B v' w& ` - memcpy(&buf[6], stbid, 18);" @/ a6 g2 C7 `: q7 \" o) X/ @- N' l
- fd = open(E2PROM_DEVICE, O_RDWR);
. y( J+ p; m0 Z" R0 w - if (fd < 0) {
3 o- w# q& Z$ d - printf("Device %s open error.\n", E2PROM_DEVICE); G% ?. d# r! F& {
- return -1;( ~* [6 d4 B1 o; V9 @, p: O9 B5 S
- }
5 O9 k* r2 O9 d& i - arg.sub_addr_count = 2;& c9 F9 j3 y. g
- arg.data_count = 0x18;% Y" y4 `5 ?9 T; N# I0 k. r4 l- x
- arg.e2prom_cmd_sub_addr = 0x290;
0 S7 H- s# n) b' n. e L P - arg.e2prom_cmd_data = buf;
' p- r8 d* j' k; J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- i+ v6 G- k9 r9 g1 |
- if (ret != 0) {
" s: n3 X- j% k - printf("Device %s write error.\n", E2PROM_DEVICE);+ ~" T v9 \: Q, B2 e% t5 S( B
- return -1;
: Q) L9 i; b0 g; ]" \/ A" J7 N - }" t: p6 v1 n9 d$ H8 p. Y
+ W& H m( }; `- V- return 0;
# T S6 q$ N+ G" g: D5 R0 L; Z - }
* `3 m4 S. |/ ^2 G5 ?: c" i
: p; \. ?" p% U6 U. S- int main()* O( N' R6 V6 x9 v: W1 _
- {3 O" v; x' _( g4 }7 M; X5 \" q! q
- char c;8 P. `4 j8 k. P; `' B9 B& s8 @2 o$ z, ^
- int i, macs[6];
. E. G- w" k7 r2 W2 z - unsigned char mac[6];7 n; x; j# x- v/ T$ j& l( e
- unsigned char stbid[256];
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4 O2 A4 D7 `' G% D3 d! W! h- if (readparam(mac, stbid) < 0) n0 I# v B. z8 G/ P
- return 1;! z) k) x; {, j' u
, k z7 C- I% D2 }2 f2 B- printf("Current parameters: \n");7 i" u- R* |& E: `3 p( V8 m( @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 l0 Y9 j! C& ^; v - printf(" STBID: %s\n", stbid);" A4 O, d( V: a- A& i9 U
- * z7 {9 Q% ~; ^3 W
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 e) [* m( w, G Q, \) U7 X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 B$ A: r' B9 X8 V& e% S; s! Z - printf("Input MAC error\n");: V; T8 I, {) H( u' [7 B: P
- return 1;
- R5 `$ y* Q3 V2 _ - }
6 ^" I- Z( `9 K/ U" k- B' z, {8 m - for (i=0; i<6; i++)mac[i] = macs[i];
# I, g8 T, Y* C. ^ D7 E* T - printf("\nPlease input new STBID: ");
8 n" j5 Q( x5 a1 q - scanf("%s", stbid);
l4 X/ z: R( i" u, I - if (strlen(stbid) != 18) {
$ j" @# y8 o7 _- ~# \1 ] - printf("Invalid stbid\n");# l% W( [+ D# g4 }2 H
- return 1;
" J; O+ M2 a( n# \/ ^ - }
6 D; ?, a+ h6 k2 X# l - printf("\nNew parameters: \n");. `; I+ u" V; W" I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 k9 T8 O4 G, I1 l$ Y) n5 [
- printf(" STBID: %s\n", stbid);- j4 s! G7 [( Y1 M- P5 G& O+ P: K
6 B# O+ y( D2 T. M- z4 Q- printf("\nDo you want to change paramemters? (y/N) ");
Q# I) x5 L' @& }5 B - for (;;) {) w- B, H( n, E$ z" S6 v
- c = getchar();
6 Q' v# y: o! H) R - if (c == 'y' || c == 'Y')2 }* l7 l5 o+ M6 d( y
- break;
& r- b3 F! J1 ~* H( b( Z8 W - if (c == 'n' || c == 'N') {
5 W5 O4 ~ X2 T8 n/ | - printf("\nAborted.\n");
9 e5 ~% w/ }( l& T - return 1;$ w7 w. K8 u [- i6 K( L
- }
1 \+ M* u% A) y) P0 K - }9 d# R) V, X6 P# K0 m9 [, i
- if (writeparam(mac, stbid) == 0) + S& y; p& x8 U! r3 L# A* @/ X4 j& d
- printf("Parameters changed.\n");. N/ m$ D" k6 S0 w0 t
9 ~( z o) {7 j. y9 j- return 0;; k- o2 w: A* [; M/ |9 F- M
- }
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