本帖最后由 0522 于 2012-3-21 23:04 编辑 ( Z0 V4 x5 i. o5 D, g* Z3 R
* _1 |+ t Z4 r8 Y7 q6 y6 t1 p8 V修改的代码早有了。到今天不会编译。: M& Z, d- v; ~. B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" l) C: [; q8 v( \; y0 W - #include <malloc.h># A. D. j' y/ S+ L* L% _
- #include <sys/types.h>
' E! l0 j- _; K9 W) t' G - #include <sys/stat.h>
0 a; f/ k) v" ^/ O' F. G2 x - #include <sys/ioctl.h>$ e2 F3 @" d4 d& `$ z. K% {
- #include <stdio.h>6 N, j1 I/ Q$ R6 D
- #include <string.h>
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- typedef struct {
' |; z6 K0 g# U: t - unsigned int e2prom_cmd_sub_addr;
' O$ {+ E0 W0 i1 F4 e. h - unsigned int sub_addr_count;
( B+ @ O2 x" w# Z+ b0 ^/ W' @ - unsigned char* e2prom_cmd_data;
0 W! u) w$ q) C& l! ?3 j - unsigned int data_count;
1 Y% G& l0 G4 f. [. [ - } e2prom_s_cmd;7 @0 T& m2 T3 f5 D
- 3 V" m/ x5 {2 D4 o9 X" f% w
- #define E2PROM_CMD_READ 1
2 |% ?; s* [, e+ v# A& u4 r7 x9 w - #define E2PROM_CMD_WRITE 2
8 A9 `0 \- `; u/ { - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
- l# \7 J0 z c. y- u, m
! Q( L1 U' [/ _- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
& D3 `! i9 u7 s. k& S: S - e2prom_s_cmd arg;
! I& C7 ~7 q; h% P* ?! @+ l - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);' i8 T" s c3 B; d: v8 V) W
- if (fd < 0) {
$ J6 f7 H1 \" Q$ F" S - printf("Device %s open error.\n", E2PROM_DEVICE);( C, k. K* }; R" O) e
- return -1;
/ M/ b2 `. E# Q* J - }
! t/ e( @ N5 j: v0 _8 T6 S - arg.sub_addr_count = 2;
/ k/ J; x J( Y# X* B: x - arg.data_count = 0x18;8 s( ]9 t3 ^0 r7 _8 D; U
- arg.e2prom_cmd_sub_addr = 0x290; B- C1 F* Z# _) G! p
- arg.e2prom_cmd_data = buf;
" c8 `) S3 ]% {7 L6 m6 [* A - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* u. F- A& e' k - if (ret != 0) {
3 c, O( x1 s0 }1 g. p# C - printf("Device %s read error.\n", E2PROM_DEVICE);
- W+ N5 q* ~3 x* E# P - return -1;
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- memcpy(mac, buf, 6);
: ]& b* N5 b) S$ R) @4 y - memcpy(stbid, &buf[6], 18);
0 T. ^* z" z- @; [5 {% q+ l' l - stbid[18] = '\0';# x" ~3 m( M) l3 v1 y! l" j3 f6 o
- 1 H5 T& d) ~; t6 \9 k0 `' F; y& Q
- return 0;8 d* D5 c( c! m5 |+ p2 c
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)! O; S8 a }8 g% a1 Y+ C
- {
* P( L; X) d& i5 N t" P, { - int fd, ret;
: y) o! l4 q6 F6 {9 Q$ ~ - e2prom_s_cmd arg;# K5 s; M d& c9 k' B) G S3 u+ P
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);( ?8 @6 q6 ?1 l5 g1 f
- memcpy(&buf[6], stbid, 18);
4 y6 P2 j H, c# K - fd = open(E2PROM_DEVICE, O_RDWR);
. a9 ^: B4 p0 I) S - if (fd < 0) {
* p) j+ o) }5 @/ | - printf("Device %s open error.\n", E2PROM_DEVICE);
0 I8 J9 g# \, t# n - return -1;0 T& _/ }' a0 Z0 i" \6 i) [
- }2 {2 b9 W2 h {) l3 X4 G4 X, X3 P; @
- arg.sub_addr_count = 2;( }+ ]8 h" S6 U1 T @8 Z- s1 P
- arg.data_count = 0x18;6 N6 S4 Q' }6 D" [3 A |
- arg.e2prom_cmd_sub_addr = 0x290; y+ H) P# F1 Q: n
- arg.e2prom_cmd_data = buf;
) Y) M2 L6 D) W* R, K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# @! C6 Z: P M4 @0 u- Y# G - if (ret != 0) {
* _! k; W% O" B6 ~" v1 y' |& I4 A - printf("Device %s write error.\n", E2PROM_DEVICE);2 ]: k8 Z! N) x( R2 q( j
- return -1;
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- " ?) f, m0 D1 |/ [/ t; U/ p* Z( o
- return 0;2 X/ m' v* W* T5 _2 ]' y2 q* u1 ], n
- }
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# ?' X$ q8 h1 _/ z; h) A! M- int main()- F6 W7 ^: l! e9 C) S& a' k
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- char c; J- z1 F1 K; K. \6 I1 I$ V+ C
- int i, macs[6];* n0 \: y4 |" [8 z% V
- unsigned char mac[6];
: C8 @6 t! E$ }6 v - unsigned char stbid[256];
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6 J8 f9 o( Y( P2 ~- if (readparam(mac, stbid) < 0)
. N5 r' p! J& ?' l$ J" S' y6 O - return 1;
6 E2 {+ ~, C' l _& S2 e3 y - ' ?9 M; `! T z* K1 |8 U. l& {
- printf("Current parameters: \n");$ k. s& V- @# p1 y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% }; |- O# T# [# B - printf(" STBID: %s\n", stbid);
9 u; V9 T$ x8 L! _ -
3 [/ h; E x6 L' ~: v/ n d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 S" T( W s; c& p) z* m( S+ [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. k, B! p# r$ i7 c( Q9 b% e& W$ Z$ h
- printf("Input MAC error\n");9 V4 L- \: ~$ O
- return 1;, R2 k+ I0 o4 m9 S2 S. ~# @
- }2 H0 Z( W% I; P" a# N
- for (i=0; i<6; i++)mac[i] = macs[i]; X, T, R9 \3 j! j' n- r( _" r
- printf("\nPlease input new STBID: ");" ~. R, U) N& ~4 B
- scanf("%s", stbid);
2 s( x: ~: u; v* k& k - if (strlen(stbid) != 18) {
. \7 _& [8 k( `, U( B7 p - printf("Invalid stbid\n");
4 u, J! H) }8 ]+ B* l$ o - return 1;
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- printf("\nNew parameters: \n");( c; `) P) R" i6 B0 b# U$ l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 X9 A+ z1 [ B6 x - printf(" STBID: %s\n", stbid);9 e. h# Y" n/ T1 e) P; M
& p- ?6 S% {" ?; W' g' d- printf("\nDo you want to change paramemters? (y/N) ");+ U+ m* K* X3 @/ L
- for (;;) {% g* k- z9 G& r
- c = getchar();: q: w7 q- |4 c7 h/ U. |5 g+ [
- if (c == 'y' || c == 'Y')
$ o8 E1 h: ~+ |& s q- B8 u. f$ w - break;/ j, v6 b4 A S( O- L$ ^
- if (c == 'n' || c == 'N') {
4 H* F4 G; l+ z: f - printf("\nAborted.\n");
& z @) |: k7 e8 ] - return 1;
. E, t' Q5 D6 G: \ _9 \3 A - }
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- if (writeparam(mac, stbid) == 0) & j9 ]) V0 y9 J9 A
- printf("Parameters changed.\n");
9 x/ Q! I+ `* W3 z8 m! {
# b) m; q- m$ F: o" u' w% [ g- return 0; A( u# \* l6 t2 g+ i. H
- }
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