本帖最后由 0522 于 2012-3-21 23:04 编辑
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, ?2 R% X8 j6 n4 Y# {3 q修改的代码早有了。到今天不会编译。
1 ^% _( T& z4 j- I/ w: m- d9 B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 A2 J7 N0 t' @" D I
- #include <malloc.h>$ X6 q$ |, L# Y* \) z6 g
- #include <sys/types.h>
2 A4 ]' U) C) ? - #include <sys/stat.h>
% ?: A" ~) A. G4 T7 b - #include <sys/ioctl.h>! M8 t: l* l5 Z% B. q/ _
- #include <stdio.h>$ b9 z, p$ O* L3 t+ d4 Z S
- #include <string.h>
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2 x& |" Y0 ^3 C) z! U7 {" o7 w' b- typedef struct {" P+ c+ m4 G3 l3 @' s% J
- unsigned int e2prom_cmd_sub_addr;
+ j5 w% s* }. }2 h; C3 K; B - unsigned int sub_addr_count;
: m, o3 g% v* q - unsigned char* e2prom_cmd_data;
L; b5 C- [" N+ A$ w; S - unsigned int data_count;- r, h9 m: K& `: J
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
1 u% ]+ y2 Q8 e - #define E2PROM_CMD_WRITE 2
5 A2 c4 x/ H. D# ^9 V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 g4 ^0 D: e! g# o a# ^ g& r5 s
7 |* ~6 T! t: t) E% [; t3 B# \8 G- static int readparam(unsigned char *mac, unsigned char *stbid)
, \; ~$ D1 \8 W4 v! j - {
/ k5 C% I/ I! g4 S. Z4 X: X% E - int fd, ret;! S% t. X1 [6 q+ }
- e2prom_s_cmd arg;
& F7 ?9 \ \4 j& `& b4 t - unsigned char buf[0x18];
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. I T; e: k& Y) R' X# M8 W* Q- fd = open(E2PROM_DEVICE, O_RDWR);
2 J a8 K# i* _+ m+ l - if (fd < 0) {
4 I s, S |4 W - printf("Device %s open error.\n", E2PROM_DEVICE);4 _! n: y1 e% N# A( ]
- return -1;3 j+ E) _ B1 `% w5 {2 L2 J
- }
: F+ B& L3 h1 \, @ - arg.sub_addr_count = 2;5 e8 m x. N P4 d/ ~
- arg.data_count = 0x18;
9 x: J6 W4 m) L, O: @0 S - arg.e2prom_cmd_sub_addr = 0x290;" ^' [8 k- O) U/ Y, u7 z
- arg.e2prom_cmd_data = buf;
) ~/ g" d8 p- x, \& d - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 P: i- y! |! p- G - if (ret != 0) {
. P# q% O' S' K- n - printf("Device %s read error.\n", E2PROM_DEVICE);
3 Y1 H$ n$ r, s, D+ P4 }" G3 a - return -1;
, a5 k6 H, t E$ g - }
* @/ U7 r# H, o1 R" \ - memcpy(mac, buf, 6);
. e- \( m l6 i& v4 j - memcpy(stbid, &buf[6], 18);
4 S7 ~, p( Q' L. K/ g% | - stbid[18] = '\0';. J- i5 E5 B, [$ a+ L1 ?+ N; r$ n! u
! ]9 v/ ?; ?. f2 D; u8 z# f- return 0;
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# Z/ f6 `4 `9 c( Z- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 a8 U5 h. g0 d M" O c! [ - {
: ]) t4 J9 l; O$ a - int fd, ret;
9 ^1 J& |/ l* Z" w - e2prom_s_cmd arg;/ m/ P/ U1 ~, F" c& d
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
- m$ G& m/ @% j E: e - memcpy(&buf[6], stbid, 18);
8 }4 s* y8 A" N" L/ ~/ O- N# r9 P - fd = open(E2PROM_DEVICE, O_RDWR);9 ^% J# S' s) V
- if (fd < 0) {+ Q. x9 G, Q$ F, l4 w" S
- printf("Device %s open error.\n", E2PROM_DEVICE);) Y' x' b9 e8 |. I
- return -1;7 f' G! q6 @% j! G5 A; t+ b% D% v5 O; N9 R
- }
( t* o, o- E5 Q9 K: y3 S- j1 r - arg.sub_addr_count = 2;( p. U1 y4 B; @! a P
- arg.data_count = 0x18;
: Z/ U: R: s) W6 P! m - arg.e2prom_cmd_sub_addr = 0x290;
7 K3 u1 g: C, H - arg.e2prom_cmd_data = buf;! Z8 M# i' `( n) Y$ g- G
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. M( k. R% |8 G - if (ret != 0) {
* x4 s6 _5 e1 y8 \ - printf("Device %s write error.\n", E2PROM_DEVICE);" E9 t. n- S4 b: X# H, y/ p
- return -1;2 H1 k* h& d* j/ F* g
- }2 B8 a9 ~2 O1 o- G
; p" q/ Q% n- c% ^- return 0;
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- 1 Y% W& e; C7 {; S, \ _, p' {" @
- int main()4 M1 ^ J! X$ f# P
- {% W; g7 ?$ ] G/ B+ M
- char c;: S3 `$ C- _4 r% y7 [! v: q
- int i, macs[6];
0 K0 l0 y7 J/ n9 e - unsigned char mac[6];
$ _6 b3 y Z: o6 r& Z - unsigned char stbid[256];
+ q" V) }1 ^$ X% f1 d% Y; ~9 u8 F* r% L
+ {0 Z6 f o( S. O; T6 |- if (readparam(mac, stbid) < 0). x0 P6 W. i% u& H" \) C$ ]
- return 1;
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- R* t% s8 _. E: H. ~2 P" x+ \) L- printf("Current parameters: \n");) C( _2 ~* t) U2 |1 v, _" t1 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) Y5 ~$ l0 P& `) e2 }
- printf(" STBID: %s\n", stbid);
+ ^8 y7 ~' e' m2 {0 @ -
) a& J: M7 J4 \, h( E - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( d, h2 j0 C w' R* G) W! F: v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 {7 o# t4 i. l
- printf("Input MAC error\n");+ k9 n# ~* u4 A; V" O
- return 1;
h1 ~, ^5 u6 e9 a8 a- g" \3 k, ?3 w* t - }* O! y1 h& f9 A5 k. i
- for (i=0; i<6; i++)mac[i] = macs[i];
5 o& U) J% y8 ~, T$ e - printf("\nPlease input new STBID: ");
9 K% q/ r0 ]4 T V3 b - scanf("%s", stbid);) z: n# v4 M. e/ ?7 g3 H1 I
- if (strlen(stbid) != 18) {0 a2 z3 S1 V/ u$ `8 s( E5 v
- printf("Invalid stbid\n");$ Q, k& y7 X. C, T
- return 1;
- ~ n& }6 _3 N4 t - }2 W+ h8 j; c( D5 @+ p% K9 t4 Q$ ]
- printf("\nNew parameters: \n");5 }- G0 H1 x$ R$ b8 S$ ?: Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& n+ y- o( |+ p - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
2 \0 p$ D1 V# a3 H! o - for (;;) {5 }9 l- f% o! B0 N9 g
- c = getchar();* {- w6 u# m, D) G3 V2 N z
- if (c == 'y' || c == 'Y')
8 q$ J1 b+ ]' Y6 j! r6 T - break;! T" d3 @. p4 ?- e. q Z
- if (c == 'n' || c == 'N') {
- [: u8 H( U( \4 j! l- p5 u2 [ - printf("\nAborted.\n");
$ z( I/ M( J- O1 ` - return 1;5 l4 G5 [( u Q+ `* ?; L! y
- }* [& u7 M5 Y$ A: ]" ?# {
- }0 i5 @( O7 S9 l l4 ?, H
- if (writeparam(mac, stbid) == 0)
5 U1 q/ P v0 [2 G$ p - printf("Parameters changed.\n");7 ^; ?8 b e0 U9 Q; L' b
- ' S5 d% F; i! ^: ~/ [8 \
- return 0;/ A9 ~ M T7 B% i9 D( F* p; }
- }
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