本帖最后由 0522 于 2012-3-21 23:04 编辑
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$ c M' t+ {6 u! @9 {修改的代码早有了。到今天不会编译。5 }' Y5 ?, D3 s9 T; K6 x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> M9 U N& I$ V
- #include <malloc.h>( e/ g# e& e7 ], P* R
- #include <sys/types.h>
) l+ ]( s, S# [: P, c - #include <sys/stat.h>( b- I3 s- D% a0 E3 F$ f! b
- #include <sys/ioctl.h>
5 G# F( k( {* b4 [ - #include <stdio.h>
+ P- ] s+ n3 Q- R. t3 w/ e, n - #include <string.h>% d2 v& N& p) _5 W, X
: l% t2 t' M8 d* n) k- k) y3 s4 s- typedef struct {
; o$ K T' j2 k - unsigned int e2prom_cmd_sub_addr;
( l0 u2 U: A: N4 i - unsigned int sub_addr_count;( }; Q5 F1 e, b; A
- unsigned char* e2prom_cmd_data;
3 s! P3 H5 q3 Z8 ^- ~ - unsigned int data_count;
- t- ~1 Y7 k7 V( j1 T; ] - } e2prom_s_cmd;
/ I/ R+ S/ G+ o4 e; K4 Y) C
( [: a# O3 W3 W3 \- #define E2PROM_CMD_READ 1
x9 b3 D# ^' p/ _0 w4 j! r! | - #define E2PROM_CMD_WRITE 2
5 i) P* u5 X4 ~3 e& I' z+ ] - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
( ~7 m) m$ P }# s1 S" ]3 \
8 K9 z* E( D" A. e' \$ Q" o- static int readparam(unsigned char *mac, unsigned char *stbid)
* |" ?$ _( a8 p$ [ - {2 ?$ h- ?) ^1 {3 ~1 V; d
- int fd, ret;
- q; ^* q; d" o9 ]! v2 C - e2prom_s_cmd arg;
9 D; `2 G1 ~( g: T( f8 {2 h% o" N - unsigned char buf[0x18];$ o1 S7 O. o k( l
! X: ]& i; N7 U: m3 L& e4 U- fd = open(E2PROM_DEVICE, O_RDWR);& [6 V7 l! |; Y X
- if (fd < 0) {- Y- }+ N! b# Z9 g! r
- printf("Device %s open error.\n", E2PROM_DEVICE);+ A& t( Y3 N( u! `8 a6 O+ E
- return -1;0 d. p! j, j) P( y
- }% W4 Y m4 Y1 A
- arg.sub_addr_count = 2;; C; `3 G2 [3 [/ [) n4 y& w
- arg.data_count = 0x18;
2 p. @ I3 P5 H& m. T - arg.e2prom_cmd_sub_addr = 0x290;1 `8 ]) B, ]" j& K8 j4 k
- arg.e2prom_cmd_data = buf;" T/ s% k" {" \9 u6 H! O d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( f% h" K7 W2 i7 X+ I; J; l4 K - if (ret != 0) {
; @4 e8 M; H" d6 j - printf("Device %s read error.\n", E2PROM_DEVICE);& Q5 N3 R9 e* Q
- return -1;
; b: `* V" e& i7 G8 P/ U, i - }
/ x5 r& u* G3 M+ m" L% E+ H - memcpy(mac, buf, 6);
. U% K9 `$ _7 r. }5 N5 V% I$ A: p - memcpy(stbid, &buf[6], 18);
% @. F' T! N, h% G5 I! d - stbid[18] = '\0';
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- return 0;, g5 W: G' B: d) e9 j# ^
- }
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% i8 M) v3 \! \, `+ r7 e- static int writeparam(unsigned char *mac, unsigned char *stbid)
) B/ {1 ~- t, ^ - {
0 x# ^8 p* i) D6 c: b* Q+ V2 d - int fd, ret;: ]+ L: [! `$ C# ^7 U' g
- e2prom_s_cmd arg;
; ? [% Y5 }( s# T - unsigned char buf[0x18];9 o) x4 A8 V0 E, L
" |! |; b5 y+ G- u! }# w; t- memcpy(buf, mac, 6);' T" v4 O. u" G4 d
- memcpy(&buf[6], stbid, 18);$ y6 }. k" j* i, ?2 V& I/ M1 D
- fd = open(E2PROM_DEVICE, O_RDWR);
8 q; H0 V: D0 l: z( [7 Z- G7 J - if (fd < 0) {* B* ]: c& w L" x' q
- printf("Device %s open error.\n", E2PROM_DEVICE);/ |/ D1 Q5 |3 o$ W2 X
- return -1;7 w& f: ?. N6 v; G
- }1 I3 N8 A$ O# c; Q
- arg.sub_addr_count = 2;2 B7 i7 @6 |' V( D& Q( x
- arg.data_count = 0x18;7 N1 s% d, O5 p, x) `. M' e% l
- arg.e2prom_cmd_sub_addr = 0x290;' @# e S3 Y) R1 Y( Q+ F
- arg.e2prom_cmd_data = buf;3 G% F2 e# I4 ~$ T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- F, m. |* j' H4 H2 B R
- if (ret != 0) {8 e# Q5 e; |# G2 P% H5 J
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 N7 q; Q( Q! [8 \- W - return -1;/ u4 E( b% N# Y0 o8 L4 x7 y
- }/ J4 r; p! O: N0 b% ]8 v, F1 r
- 0 n+ F; C/ V( x
- return 0;& u# |) p' H- [3 J! g* P
- }, [; K! k& g" a& I$ ^# U
5 h: l) n/ y+ L- int main()! Q3 y3 T( m, j. M
- {
/ c. }1 ~2 _# Q" V9 o4 f- n) j. q - char c;# `- p8 }4 f" H3 \, D4 [, r: F" J
- int i, macs[6];9 F, x! s3 Z; E! q v5 U
- unsigned char mac[6];
$ }; M3 X$ g8 h$ R - unsigned char stbid[256];
& [$ q2 J. x; b - & \. x. p% [) ~' F( N! H; ~2 J
- if (readparam(mac, stbid) < 0)
$ J" N, F, L! n' j2 B& Z" X- g) c% C, { - return 1;' Q& Y2 L+ Y) ]3 O5 S
- / F+ u0 H( H7 s( ~: K5 _' T% P
- printf("Current parameters: \n");$ u x( ^) I- J0 U0 d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& Q- O, \# J* G0 P - printf(" STBID: %s\n", stbid);, i3 [. l" s: ]9 @6 a. t
- 7 R" J0 T2 L3 S+ o, T2 i# y
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 g2 E' @+ G* [. t - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 ^% n3 T% N- `6 h' X& G3 N
- printf("Input MAC error\n");" c/ R! ~4 u, D3 C. Z9 M
- return 1;
/ v- |+ c, n" s' O8 h, L8 Y! ~ - }* d) @% m! E: K1 `6 `' |
- for (i=0; i<6; i++)mac[i] = macs[i];
7 C" K- `/ S' c - printf("\nPlease input new STBID: ");$ o& C8 G0 s* @; A7 X, n( f
- scanf("%s", stbid);
' e4 z$ l/ |. H0 {3 U - if (strlen(stbid) != 18) {3 Y4 P* ?& E; P' {
- printf("Invalid stbid\n");# S. t9 U. F7 k5 T7 _ W
- return 1;5 z) \! I' x7 \% g+ D2 S
- }9 W( k# k1 m/ o* [ i% E; N
- printf("\nNew parameters: \n");
8 v1 V) ]+ t: \ Y0 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 }, d" w$ Q2 Q4 l2 d) t - printf(" STBID: %s\n", stbid);
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2 D- \3 K( U& k1 z- printf("\nDo you want to change paramemters? (y/N) ");$ K& q" x8 E9 p
- for (;;) {
# ~ {! c0 A! k' D - c = getchar();
" |, y* T* }: {* l1 V; E; `( }/ x - if (c == 'y' || c == 'Y')* I+ {! J# S7 F
- break;# o8 n3 b& [ X ~ Y/ J
- if (c == 'n' || c == 'N') {
/ ?: ]! d. G) ^2 v - printf("\nAborted.\n");4 P! X, j+ `5 p ^
- return 1;! `' S% R* {3 b* G) F7 A; r8 a
- }
* x; K% O0 p5 R) `7 Q - }
3 L1 K3 n4 t6 J: l - if (writeparam(mac, stbid) == 0)
$ g- }$ ]7 U _* Y8 F# t" r( h9 N# J - printf("Parameters changed.\n");
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; g5 n9 O& I( i- return 0;
& X4 _5 y, R1 z0 ^; H1 Y - }
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