本帖最后由 0522 于 2012-3-21 23:04 编辑 $ P4 K$ K3 T8 T+ ?' b: S9 X6 C
7 e3 ^4 U9 S8 M- S0 V修改的代码早有了。到今天不会编译。
/ Q4 j- o! j: T9 R: T B2 q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> v2 i( Y/ O4 `4 q* b4 @- R
- #include <malloc.h>
0 V; [9 C1 R+ K3 [+ m) P I - #include <sys/types.h>5 d# i; g5 K9 E+ @( O
- #include <sys/stat.h>' B2 W6 _5 R) I% {" n
- #include <sys/ioctl.h>8 y' v' W+ W) n4 Q. }- O) s; N4 i
- #include <stdio.h>5 R0 ^$ p/ K! z' P' R5 d4 ^+ o
- #include <string.h>
9 [' v5 o* b4 F1 ^2 c# e - % i1 f" m% ^& {- M7 A. H
- typedef struct {2 f( \! l) `2 K$ ~: b' r
- unsigned int e2prom_cmd_sub_addr;
& p N9 P8 h0 k- f - unsigned int sub_addr_count;, @0 g, R" T% M* S6 y& c- s+ [* P
- unsigned char* e2prom_cmd_data;
1 Y6 @1 T" m0 C( q" d9 I - unsigned int data_count;" w' [ `% w( A0 A- y- Y
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 14 w+ n7 U1 h, g6 w
- #define E2PROM_CMD_WRITE 20 F2 v. O' Z! y1 M# U( N; D- B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! k5 h" B0 O+ _: m$ b' D1 r
- 9 u9 q- h' [, H& f% c3 u9 E
- static int readparam(unsigned char *mac, unsigned char *stbid)
5 m5 \: G# M$ m6 H - {
0 l. V* D* v3 c' z3 @ - int fd, ret;- c) l5 h3 C5 z2 X* i0 A! P
- e2prom_s_cmd arg;
% D3 \) b$ p8 h4 T; |8 r0 h - unsigned char buf[0x18];0 w, j" e6 a8 ^. ~. L7 d0 z
! ^2 t2 s) x1 ]/ X5 ]5 d1 B- fd = open(E2PROM_DEVICE, O_RDWR);9 z' N$ ~ R ~/ _1 }7 T
- if (fd < 0) {
+ _' Y: t# ^0 S. K, x( Z8 y$ K - printf("Device %s open error.\n", E2PROM_DEVICE);, b8 d5 v7 I2 @
- return -1;/ |0 w) f! l5 y! K( ^! _2 \
- }
q% x$ a5 f9 e; |- _& U - arg.sub_addr_count = 2;# Y: d+ T9 K- Q9 T7 R: v: p+ m
- arg.data_count = 0x18;( `" x9 Q/ B) M1 f3 S0 }* c. }, J
- arg.e2prom_cmd_sub_addr = 0x290;; }8 e8 ]) y, u! A2 z6 a2 a' Z- S
- arg.e2prom_cmd_data = buf;
3 J2 L7 X& o. z- T- x- f/ ?2 S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 N/ S" ^7 B, l! s3 |2 @! A+ e
- if (ret != 0) {6 c" I1 _# ^7 P8 k
- printf("Device %s read error.\n", E2PROM_DEVICE);' L! a; A: p8 J4 ?) ^ a6 \
- return -1;
/ C7 h, a# V( d, g6 E$ a - }* x' h" o7 ?. ?, y5 ^
- memcpy(mac, buf, 6);
# R7 y% c9 U" ?+ }! K - memcpy(stbid, &buf[6], 18);
8 ~4 L( Z( S% Q/ b - stbid[18] = '\0';9 q3 m+ |* ~* q5 {: Z
- 0 O( O2 O: r+ Y5 }: `3 z
- return 0;( Z, O6 _4 p) l9 `
- }
- w# H0 y( u0 s# s& R
% o% x4 ^$ p c% E2 x0 ]9 Y- static int writeparam(unsigned char *mac, unsigned char *stbid)" t5 N3 m" D% |3 K" M
- {, o9 A2 W* Z. V
- int fd, ret; |7 X+ I& q0 W
- e2prom_s_cmd arg;6 m+ O1 O, }9 N; ]1 {, m0 ]+ ~. E! U
- unsigned char buf[0x18];% l3 _5 G+ d& a4 H6 m2 [
( R# N/ O# d' [+ `- c4 p, Y0 V- R- memcpy(buf, mac, 6);
% E; x, I# j( w- p4 s8 s - memcpy(&buf[6], stbid, 18);) B6 A/ B! A+ V ?! `
- fd = open(E2PROM_DEVICE, O_RDWR);6 X5 d# E6 h" h; d6 r& a8 i& D
- if (fd < 0) {
1 N( F' m& ^1 I; J - printf("Device %s open error.\n", E2PROM_DEVICE);
* B _" J. n1 Z2 p3 h' r - return -1;
% q; x& D, G4 R3 E0 h& k - }& |% H2 w, Q3 D) |
- arg.sub_addr_count = 2;8 B H1 t0 w+ |) |( |
- arg.data_count = 0x18;2 ?( x _6 l2 l7 v! _
- arg.e2prom_cmd_sub_addr = 0x290;
. D$ f* A9 `2 `: t8 C& e l - arg.e2prom_cmd_data = buf;7 Y S" C$ B; N& x2 D4 x: U* v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& A- p' U; v+ Z4 e& r% z. {/ f' ~
- if (ret != 0) {* g& ^! {. v: k' l
- printf("Device %s write error.\n", E2PROM_DEVICE);* M0 W9 [+ K: I& C: k* O; a
- return -1;+ j$ p; `0 b# O+ b
- }# P k& n1 {+ B6 \
- 6 L) p6 E& M) h
- return 0;
6 ^+ p/ O2 u; n! l! y$ { - }
4 W5 D; O( d% _4 x- Q - * u6 f7 t6 G- ^+ d* h x& A
- int main()3 O" m" [0 w9 e8 ?" u% ?
- {
$ \( f8 y8 ~# \ - char c;
' P* Z' x3 q7 X+ c - int i, macs[6];3 ~% P" v a0 Z1 H) I, I6 [) l3 o
- unsigned char mac[6];0 S% i" O& [8 s0 I5 F) i: a1 l O
- unsigned char stbid[256];
# z0 m: w9 I0 ^1 V4 @, Z
0 d R3 s* D2 u6 ]9 X" F7 F/ f& V- if (readparam(mac, stbid) < 0)
: x* w' }- F+ K5 \5 @, m( ]* F - return 1;
# ?) \/ v2 n( a
/ [2 m9 c2 [1 ]+ ]: ?$ z6 l! t- printf("Current parameters: \n");- G' l7 G, u! [" L2 m! g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* I; Y4 y( ] f; v. b0 D
- printf(" STBID: %s\n", stbid);, @5 `1 e$ o1 s3 ^0 C( ^ P8 w, @
- , d+ r0 H) X* t/ D0 c1 p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* }2 \( R) b. O; X% w8 Z8 I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' ^9 e0 h6 W3 z& t/ A
- printf("Input MAC error\n");7 ]$ J/ C0 i: e3 `" s
- return 1;
2 \2 k1 [1 H2 z, z# ?9 d - }( @4 `0 O7 _$ F, u: J
- for (i=0; i<6; i++)mac[i] = macs[i];
$ _- `+ e$ {& P$ ?& U+ A7 { - printf("\nPlease input new STBID: ");
. H. t; o. b% O* j. u - scanf("%s", stbid);
+ q- s0 O3 F7 x6 h6 S+ U - if (strlen(stbid) != 18) {
3 F, L& o h. k, K6 P0 v0 S T - printf("Invalid stbid\n");" y2 z+ f3 R" G/ N8 [" d" Z! s
- return 1;: q; ?& Q1 d6 N
- }' ]/ J2 H3 S5 o' s
- printf("\nNew parameters: \n");
9 K* h" F- E8 A" T5 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 |, ^ M* `) \3 e1 X' }8 q c - printf(" STBID: %s\n", stbid);
4 K9 @9 L+ t7 `! C, j
' G: o( L3 q5 v- printf("\nDo you want to change paramemters? (y/N) ");0 m/ [* q j: C, k, B
- for (;;) {6 q1 ^# T( {$ E6 i
- c = getchar();- t# K6 @" s! ]# q" J
- if (c == 'y' || c == 'Y')
) O8 Q* B5 C# J0 a* W' U - break;& w! g+ Q) @9 s$ O I% u) a. K
- if (c == 'n' || c == 'N') {# }* R6 K0 x3 o& [1 @2 b
- printf("\nAborted.\n");
3 {. z8 n$ r1 ` T. O4 Q# R - return 1;2 U7 k2 N h& l
- }8 `% ?; h* d; I+ v& w
- }- }: v m' }+ b+ K0 r; g" F+ I
- if (writeparam(mac, stbid) == 0) 7 ~. l# @4 r6 Y# U2 Q4 a
- printf("Parameters changed.\n");3 _5 Z5 M# i/ b" Y5 Y3 c8 F
- / q' x% N6 j$ i$ ]
- return 0;
5 O$ U8 I$ f l- h4 Y' D" l - }
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