本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
0 m1 J' w) X, K( i2 l* I4 q" y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 z( h8 Y/ @5 y( S% X% m - #include <malloc.h>
& d( }* h+ j: |9 f- C H/ ~ - #include <sys/types.h>8 i; s1 \* ?, c7 i
- #include <sys/stat.h>. E" G" P8 D: l9 ~
- #include <sys/ioctl.h>
# ^5 H. f, v. [ - #include <stdio.h>0 G, L. R% {) E
- #include <string.h>
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- typedef struct {* [( }6 `- D1 f, o) q( ^. o% K
- unsigned int e2prom_cmd_sub_addr;5 K2 m! ~7 q% j7 [: @4 m8 N8 w+ D
- unsigned int sub_addr_count;
5 N( Q3 Q4 u* W# n6 F - unsigned char* e2prom_cmd_data;
; ~/ V0 G0 K: a; h5 m _ - unsigned int data_count;
- _& g, H: h& i# R& N - } e2prom_s_cmd;- u, h8 F. }+ P
- $ L( i4 z- }0 ]% n5 Z: x8 }. C
- #define E2PROM_CMD_READ 1
- X( R4 A" x- A, i+ ~ - #define E2PROM_CMD_WRITE 2
7 |9 F. F" Q' e4 ?4 f3 h; p; c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' u) b" O# v9 I( X* ]' t
; Z# `3 h) V: Y; ~' D6 H" w' e" ^- H- static int readparam(unsigned char *mac, unsigned char *stbid)7 E+ r, Z/ h5 H7 ?2 d2 R' L
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- int fd, ret;5 y: r1 S7 C2 Y# r* R _5 V
- e2prom_s_cmd arg;
7 {2 W( ^# ]4 ~" `9 r - unsigned char buf[0x18];
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2 R7 s6 ^* z2 c) m% ~- fd = open(E2PROM_DEVICE, O_RDWR);6 p3 |* J5 _1 U" p
- if (fd < 0) {
: H/ B4 _( V, | I, B% ] - printf("Device %s open error.\n", E2PROM_DEVICE);4 }) N: l5 x& L' O) J
- return -1;: R* P" _( S8 L7 r
- }
/ N$ [ d$ |. [- o4 {4 I - arg.sub_addr_count = 2;
' O' m7 y( B0 f - arg.data_count = 0x18;
$ B: G0 n/ T9 R+ ?! n8 P - arg.e2prom_cmd_sub_addr = 0x290;
% x2 L, J8 L: t/ h6 ` - arg.e2prom_cmd_data = buf; R2 a1 C$ Q/ N% y6 y# Y. }5 W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! u5 h% M, U% n, t; y6 {% [3 ^ - if (ret != 0) {
2 s% U7 }$ i* X, o. H& ^- n1 N - printf("Device %s read error.\n", E2PROM_DEVICE);. {9 w% }! D9 W& _0 q( [
- return -1;& V2 r9 G: a* p! s
- }+ x2 C. p) }3 w5 }6 Q; D
- memcpy(mac, buf, 6);
; Z; j1 I& ^. s5 l( G" e - memcpy(stbid, &buf[6], 18);
7 B' k& e8 H3 T5 ^( u - stbid[18] = '\0';
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l W* @& _% V5 N) g: S q/ ~2 E- return 0;
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2 F) f: E: W. s- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
* A: c1 p3 D3 X z0 w - e2prom_s_cmd arg;2 l% O; g- F' H, O# a, j+ ?7 C
- unsigned char buf[0x18];* d% e: W1 J; s, L y" M
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- memcpy(buf, mac, 6);$ ` L+ ?) c- c6 p( X
- memcpy(&buf[6], stbid, 18);( n# g) U) k" I0 P
- fd = open(E2PROM_DEVICE, O_RDWR);* V1 u; L$ ~7 d& e, |
- if (fd < 0) {
6 m. K3 G0 b, Q8 d& Z0 O+ y - printf("Device %s open error.\n", E2PROM_DEVICE);" n6 ^7 z2 `" s/ e7 Y- w( V# p" V
- return -1;2 B/ b7 i8 J( ^2 }" N4 E% |, M
- }& h$ I' t# W. u! b- F
- arg.sub_addr_count = 2;) s! o) D: g& J0 A! _
- arg.data_count = 0x18;) r4 d& w* _$ P/ b
- arg.e2prom_cmd_sub_addr = 0x290;
6 Y ]. H; q2 P D- H3 x0 t - arg.e2prom_cmd_data = buf;2 ]! n7 u+ o3 U% N/ Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ x+ ?4 d2 P4 ^2 s/ ~' d3 x - if (ret != 0) {2 i' A" p7 j, [
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 z6 y3 q1 V( V- G" K7 d' \ - return -1;& t9 y) e1 z& J; U1 V' C
- }
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% I1 F$ N7 ~7 ~ u5 A v4 Y- return 0;
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4 M( ]1 F3 k) B0 X1 l- int main(); C6 x$ k# b- K2 H! w
- {
( F- ` H; K% w5 g5 g. Z2 r* O o - char c;
, ~# m/ E5 A1 a- ~1 E3 ]0 w - int i, macs[6];3 J# S# M8 M; i2 w0 ^; R4 ^0 F4 P" V, |
- unsigned char mac[6];0 n1 r: ?: B, I6 X- c5 l
- unsigned char stbid[256];) h" k. f* j+ e
+ h) I1 m; t" [2 d' U1 O- if (readparam(mac, stbid) < 0)& T. g6 x* ~$ V# }4 o$ @" Z
- return 1;
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- printf("Current parameters: \n");% ?7 ?8 w f. ^3 X6 [8 _) y# \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 v! H0 q, ~; h8 S1 e* | - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( e1 e6 i" Y3 x5 r% Y+ R- H7 H6 R! z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. w0 Y# t! H# q; v" ? - printf("Input MAC error\n");
" {3 S" d' W$ Q8 Y+ A6 t - return 1;
3 K0 |6 E- u" }( r8 ], _ - }
h0 m0 N" Z* d% b) P; t - for (i=0; i<6; i++)mac[i] = macs[i];* O4 C0 k3 S5 e! q. b4 E
- printf("\nPlease input new STBID: ");
: F$ e: F: v; q# K! w5 a8 e" e - scanf("%s", stbid);8 g& z" x' z1 S+ s
- if (strlen(stbid) != 18) {5 o1 B+ O% K4 G7 Q
- printf("Invalid stbid\n");! u0 `3 R" ~) w
- return 1;
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1 ]+ s! ~- ? b- C - printf("\nNew parameters: \n");
0 ], |& C3 d+ B4 [: X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; x; O! o$ ]2 f/ L- z0 k2 [8 t - printf(" STBID: %s\n", stbid);# h \. m( y! M; h
- * `3 \- Y6 Z6 W0 E' ?
- printf("\nDo you want to change paramemters? (y/N) ");
/ T b0 e2 Y' Z. ] - for (;;) {+ x. ~" w- L( [( x2 ?6 M" J( h7 v
- c = getchar();
: Y" R3 M- x0 ?6 x- O$ ?) R( k' Q - if (c == 'y' || c == 'Y')
! @, Q4 s) J% P" x - break;
/ m& o8 j% z2 q' l0 V6 L. I - if (c == 'n' || c == 'N') {9 p" C" u1 d; c. f! a ?$ J
- printf("\nAborted.\n");
1 O R- K" k$ O5 K* T1 p - return 1;
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- if (writeparam(mac, stbid) == 0)
! T; T0 H* }# P( Y& n; b# U9 e% n - printf("Parameters changed.\n");: I# m9 M3 _8 W# R' {
4 M' t- ^9 {8 f$ O- R# ~1 M4 X$ f- return 0;
$ T' z& }( Y( I: Q* l - }
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