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。4 `% L9 B D& X: ?* P7 R
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
B. Y1 t( r! j0 o$ p/ p - #include <malloc.h>& A. d8 `3 `( N9 @4 P
- #include <sys/types.h>
/ K t, {/ d& l) R - #include <sys/stat.h> @# ^0 T# p% i2 `5 M6 W$ W4 U
- #include <sys/ioctl.h>. g! T8 |' z2 I3 h' J# F/ U/ S$ R8 _
- #include <stdio.h>
" {$ F1 J$ c( g - #include <string.h>
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( d9 a0 @' q0 |* \- typedef struct {$ o! d# E0 |# Y1 `. I$ ?" l( q
- unsigned int e2prom_cmd_sub_addr;' {" [7 @2 {& y/ b
- unsigned int sub_addr_count;% n% l7 P# r3 M7 X% l
- unsigned char* e2prom_cmd_data;
8 M. U+ C$ m; P* a+ k# `- l) m - unsigned int data_count;
( k* u* i$ T9 z) i9 U: c2 q - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
- {) J! W. Q6 d - #define E2PROM_CMD_WRITE 2
* t* {2 Q( |0 x- k, M9 Y" a - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& r5 X8 N0 J9 b* x# A! P6 Q
}, ^, o+ u# W! X, h. R& p* G- static int readparam(unsigned char *mac, unsigned char *stbid), X6 n! w1 [7 G' `: y
- {- l( R0 j3 N9 n8 B# {, W4 Z1 W
- int fd, ret;8 v5 Z' k' d" Q- D; A( ~# m
- e2prom_s_cmd arg;( j# O: W! K/ H e/ L
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 f; h; y$ D* u/ I" c: Z - if (fd < 0) {
1 W- O+ O j! E" y$ M7 o" l; B# K1 Z - printf("Device %s open error.\n", E2PROM_DEVICE);" Z) K9 H9 @9 y) G, z$ {
- return -1;) } o- s, C% m' L
- }
0 o. t$ K3 x f, b0 ~0 h - arg.sub_addr_count = 2;! X( X; |2 h4 P1 f1 K' g6 @- y
- arg.data_count = 0x18;1 Y2 C; I* `1 i9 K0 c: b! n
- arg.e2prom_cmd_sub_addr = 0x290;
4 ^- v4 [3 q. J. H$ X - arg.e2prom_cmd_data = buf;3 K: C6 U0 L Z$ f% b1 g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
_( Z6 I4 ?: A( _) u' N. s - if (ret != 0) {# ?' O) H- m. f
- printf("Device %s read error.\n", E2PROM_DEVICE);
, s* E1 _. A7 ]: \/ N) Y% ~; j - return -1;
3 c* `( G( S* } - }
9 _& l3 S; d L- [, Q - memcpy(mac, buf, 6);. U1 H m0 B# o3 n& h( s" `
- memcpy(stbid, &buf[6], 18);
1 s# K- b( S- x1 `* f - stbid[18] = '\0';
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- return 0; d# X* ~0 C+ a# z7 Z& n
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)0 u/ w1 u/ G4 M" J* F
- {
- h2 k" B6 J+ ?( O, Y - int fd, ret;0 Z' l; R; {+ }. ]" v% s4 a% l% j
- e2prom_s_cmd arg;6 o3 B% U6 l/ I3 B. I @* R! [
- unsigned char buf[0x18];9 S4 G0 ?- ~" B2 L
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- memcpy(buf, mac, 6);" a" X+ w" U% o* L3 `7 n
- memcpy(&buf[6], stbid, 18);
# q$ T. p3 C6 ]; Z - fd = open(E2PROM_DEVICE, O_RDWR);
. S( t- n& p8 m5 w - if (fd < 0) {& [3 q9 ^' V* i
- printf("Device %s open error.\n", E2PROM_DEVICE);
" S/ i. {5 p: k5 p1 U; Q/ X2 T5 } - return -1;. U1 b" V- f9 q
- }
6 F' y: j l' W2 G - arg.sub_addr_count = 2;) Q# v8 m% Z4 i1 ]1 c# W; X
- arg.data_count = 0x18;
6 x" j. }* {$ f6 a- l! O3 o. m - arg.e2prom_cmd_sub_addr = 0x290;+ p, u6 Q0 W0 U- I5 b6 Y8 K- c
- arg.e2prom_cmd_data = buf;
9 \# `& z3 y0 S7 t, { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ j3 f; N9 y" W8 P - if (ret != 0) {" `) a9 R8 o, ]% E
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 P% e" z' }- J. }* Y, {; g. ?! I - return -1;
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4 g# m0 V- n1 D- G" C6 H- return 0;
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, P0 \. m6 ~" l3 B0 O4 R/ |9 I, W9 O- int main()
8 e+ p( T! B; Y - {
' _' y7 m$ C9 f3 d+ t - char c;
) c2 @) [8 y" \9 |8 P - int i, macs[6];
& {! m Q3 N& s" v, O. Y4 x - unsigned char mac[6];, {* n4 M3 \" H
- unsigned char stbid[256];. D' Q; D% G% p7 Q; f7 {
8 ^8 q4 J, a' h8 N9 {$ v& l( L- if (readparam(mac, stbid) < 0)
6 E) Z% p4 {4 [9 s* @ q L4 F; m - return 1;( ~9 `& j: k5 j$ b& }: j
- # |* H. G t. m) K
- printf("Current parameters: \n");
" o7 ?4 J4 S+ x% X: G2 X! } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' P5 a5 U6 g( O$ X. u' v - printf(" STBID: %s\n", stbid);
- j7 B" g( {# B8 E) F* x -
! a" p* L' e1 p9 c2 } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 `3 F" T! B/ A. l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% m/ u V; [" ], g
- printf("Input MAC error\n");7 h3 t9 ?% k: l
- return 1;
! P, D( Z% Q/ N; a3 W - }
0 y6 q% ~4 ]" [8 g+ s - for (i=0; i<6; i++)mac[i] = macs[i];
# v d* B- \( Y/ Z8 X5 a7 N5 C: o - printf("\nPlease input new STBID: ");0 I: c% `, x: G$ h! c
- scanf("%s", stbid);
5 O* Q$ q* O- ^9 z - if (strlen(stbid) != 18) {
; F' L: R: R" f2 }6 h - printf("Invalid stbid\n");
8 R/ D7 H+ z- X6 x: ~ - return 1;5 g. ]0 N9 n6 }$ G/ ?/ o
- }
" k! Z. b) F6 k' R7 ]& W6 I - printf("\nNew parameters: \n");
' K: b' h/ c- `( t5 l6 _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! r; E, v- w0 s - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
0 a1 R! ~$ E+ B2 m" O& q$ T - for (;;) {
0 {. s. o3 T8 H4 V - c = getchar();1 p G( e8 W, s$ T( n
- if (c == 'y' || c == 'Y')$ r' Q6 m" k# }( W$ O1 S7 M
- break;
4 u; F( ~. N% t7 ?% @3 ?. J. g - if (c == 'n' || c == 'N') {, F& O8 m4 ?" q! D; }; ~2 W9 c
- printf("\nAborted.\n");
7 d: J$ k% L) \ - return 1;: g0 @# W6 m4 r
- }
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- if (writeparam(mac, stbid) == 0) 0 {& C+ e7 N5 Z7 Z2 S) T- p7 B
- printf("Parameters changed.\n");$ e+ Q D% Y' q, d9 M* ?
- # q% @" `8 \/ u. C! `3 `- e
- return 0;
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