本帖最后由 0522 于 2012-3-21 23:04 编辑 3 O0 P. a2 j0 w" L" ~4 J- {( @4 |
) F/ a4 P/ ]) F/ a( ]修改的代码早有了。到今天不会编译。
7 P# ^7 v- r/ T需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# z4 K9 ]7 ]0 w; L - #include <malloc.h>
$ l3 X4 A& n2 X" u/ \, c+ c3 ? - #include <sys/types.h>$ d0 a, t: k5 p# z
- #include <sys/stat.h>3 m7 @, ~1 Q$ D, @7 L, o) v
- #include <sys/ioctl.h>' P! w k5 N8 J+ R/ d
- #include <stdio.h>7 j) ]9 ? ?9 A2 g# L! U9 |1 Z
- #include <string.h>) N, l- j7 ]0 W; v
% ~2 `% x L/ m! O; o+ y2 U- typedef struct {: `, ]% w, r: b- K9 P: V' X
- unsigned int e2prom_cmd_sub_addr;
# q# R8 r% b% t& d - unsigned int sub_addr_count;5 z0 P" |) R! R0 c
- unsigned char* e2prom_cmd_data;! X$ N4 u3 g/ c- [% l$ {
- unsigned int data_count;. s- ]0 T( U' {" F
- } e2prom_s_cmd;. Q1 `8 b9 a. H5 K
0 P4 N, _8 L) ~* I- #define E2PROM_CMD_READ 1. X- k' e" G9 W' r- D
- #define E2PROM_CMD_WRITE 2
( Y: k" N* c! c0 S3 R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' h# o, g9 k; D+ Y4 l+ I. }' i6 d" }) d
$ k7 x. n5 ^* o1 M% T7 m: j! z- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( `( L1 I/ B( P, a' L
- e2prom_s_cmd arg; `8 o3 t- S" J8 t* w+ W; t# J0 t
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);# N7 L' a5 R U2 }
- if (fd < 0) {' U- V. r2 g# t) e
- printf("Device %s open error.\n", E2PROM_DEVICE);0 G% e( f$ T: m3 I
- return -1;, [& t* c* Z2 D' R
- }! C5 C2 b* ~* Q: q6 i ~0 w
- arg.sub_addr_count = 2;
7 k; [0 {: `9 [9 w; \* T5 D8 g" ? - arg.data_count = 0x18;+ ^5 \8 R9 i( k: o7 \, u: h
- arg.e2prom_cmd_sub_addr = 0x290;5 J! s5 B7 c( J* [ { Z6 s+ B
- arg.e2prom_cmd_data = buf;, z8 k) s4 l& q+ Y5 d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 k8 h" S8 Y9 B8 e8 ^8 k$ }
- if (ret != 0) {
0 [$ ?' ` s# i - printf("Device %s read error.\n", E2PROM_DEVICE);
- @9 O! {1 h4 _/ O' {, C5 F' K - return -1;* V. X7 B* T/ f; x* |5 {' g/ l
- }
- }* C2 {' i! J7 R4 U5 ]1 X - memcpy(mac, buf, 6);
1 R/ O* q# o% L$ p/ \2 v - memcpy(stbid, &buf[6], 18);
& l$ x0 @6 D1 o1 [ - stbid[18] = '\0';4 ~7 p8 C3 Q7 a7 g
- 1 t8 c2 _! y( g% |0 ^
- return 0;* o& s8 D: T: r! L) E. G' X5 ]/ e
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' e* d$ W7 A! z: E& q- static int writeparam(unsigned char *mac, unsigned char *stbid)
: F3 i; W% W) ^/ }9 Z - {
- l+ S" h' J" @7 B - int fd, ret;5 _5 q5 H* ^( v, q+ ^
- e2prom_s_cmd arg;8 L, ~3 W$ t9 ]& b
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
6 y% D* L; d" D/ p - memcpy(&buf[6], stbid, 18);! V( T8 g: Z' Z; ~# m, b; ~
- fd = open(E2PROM_DEVICE, O_RDWR);# T: { s0 ^+ w/ E3 U
- if (fd < 0) {% I; r P6 r: [/ S. L: V
- printf("Device %s open error.\n", E2PROM_DEVICE); x2 ?- o. \) v2 [
- return -1;
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- arg.sub_addr_count = 2;
* I% x5 ] Z) C - arg.data_count = 0x18;
9 R$ S7 c% T. M7 B - arg.e2prom_cmd_sub_addr = 0x290;; b9 |! o c# Z4 i* h
- arg.e2prom_cmd_data = buf;
( z. ~% |* M l/ y# Y: K* w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# N. n6 q' B$ {( r+ o( k4 v/ ?& n- E - if (ret != 0) {! b e8 X& z1 d! m5 n) A/ _
- printf("Device %s write error.\n", E2PROM_DEVICE);
. Y4 R0 D6 O8 W' a3 u - return -1;
& K; F# y4 a# x - }
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7 y8 W0 }( p. g; }, _- return 0;( y6 m. H" \( y3 M- I0 p
- }: x' p; F* Z/ z. r7 e" C
+ J/ X% M3 d$ d; o: e6 x6 N$ }- Z- int main(): k: g9 ^+ I: F _9 O4 ^( k p8 A; X
- {
" w) e) l* |+ L. G( K8 B* l5 w5 Y - char c;
# D/ ]' w# F8 m+ b8 j - int i, macs[6];0 _" c, x; E: s: R* s# _9 F
- unsigned char mac[6];
9 m/ w5 }5 O/ D; P! y9 d2 G4 S - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0). E# G H+ p) W- b3 A4 S
- return 1;
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. y1 s1 T, Y7 I% d% e. ]# B- printf("Current parameters: \n"); _7 P; ~5 T; f6 O+ n# v- e; v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 z3 ~! v1 P3 |6 {. C+ G4 k. O - printf(" STBID: %s\n", stbid);
7 n7 e$ R/ | D! Q) H6 x -
9 D3 e4 D7 s0 c+ U - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ v% n+ I$ l# i- } [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, U' q' K& j( K7 j9 I( R# g" V - printf("Input MAC error\n");
+ {2 C/ D( q- i, F e u - return 1;
* B) V2 p* {( ~- i N9 a - }
|" {' R* L9 i( O! H - for (i=0; i<6; i++)mac[i] = macs[i];
- Y( e9 ~ G+ ?7 z! o7 @ - printf("\nPlease input new STBID: ");
% c* R1 C& T1 }! ~* O5 j - scanf("%s", stbid);
: l; \7 g& {) p V - if (strlen(stbid) != 18) {
6 Q* p: G, w7 x3 }0 R( N; t* n$ F - printf("Invalid stbid\n");
% H; ~4 I- u& G0 c) \ - return 1;6 v3 P( P5 k0 U8 |% o
- }
8 I6 p. c; E" g6 J* Q - printf("\nNew parameters: \n");
# S9 J- i3 O Q8 F9 D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ ]9 Q1 `5 }& ~$ Q1 g k, G - printf(" STBID: %s\n", stbid);
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" _* H3 L) o! G \$ f- printf("\nDo you want to change paramemters? (y/N) ");0 J# M4 }! q8 l$ [7 K' H
- for (;;) {
( t( s3 j( S. d* ]! X% `$ } - c = getchar();+ j. M: E; _, J4 p
- if (c == 'y' || c == 'Y')! \3 t; @& i+ x8 K% c0 u
- break;3 x$ y' _) P1 h) z( ]+ D+ R, J
- if (c == 'n' || c == 'N') {
* V) ?) ~( Y" g - printf("\nAborted.\n");, S( S8 M* ?* Z! R6 r% N
- return 1;
- _ S% M9 i& c+ r8 h6 [7 Z3 ]7 G - }/ u5 p! {- R* @ A: y
- }% B5 Z/ {+ K7 @& S' [
- if (writeparam(mac, stbid) == 0) # ^/ @+ M, C1 p# g
- printf("Parameters changed.\n");
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- return 0;
( A) c# W; I# @9 i! w" W8 C! W( m - }
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