本帖最后由 0522 于 2012-3-21 23:04 编辑 : q6 N( `* m" X3 Y) \7 a
' V. J2 w1 f6 T% m7 t修改的代码早有了。到今天不会编译。0 i) l) Y: @8 h. U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 H1 y4 f5 Q% q7 x8 S. E - #include <malloc.h>
! a1 A' W/ s, D" t - #include <sys/types.h>
6 B, ?/ Q8 l% P - #include <sys/stat.h>" j' ?/ h5 q" T* H
- #include <sys/ioctl.h>: X I+ Y0 e& |! M
- #include <stdio.h>
, Z! c; l" L& V; R/ Y2 n - #include <string.h>) h# H, Y* P- ^% G
- , j2 |+ O* w$ G% B3 C
- typedef struct {
- x% [! k1 E! N: K. v - unsigned int e2prom_cmd_sub_addr;: c' l: m! Z+ f: ]4 p1 v4 P' J* y4 z
- unsigned int sub_addr_count;
7 W, ~# {0 f( f/ m - unsigned char* e2prom_cmd_data;/ V8 O0 Y5 X, e7 l" Z0 F
- unsigned int data_count;
% v3 A* G6 ?% @; B9 f# k& G - } e2prom_s_cmd;
3 I- [+ @& [* u9 O- {
7 Z. R( P/ X- k- #define E2PROM_CMD_READ 1
$ V) u! i* r& v* ]1 M9 k - #define E2PROM_CMD_WRITE 2 E9 ?1 t2 c/ @# J6 q1 r" H% u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 m/ o% n7 m8 H1 `( m
7 `/ l8 {! n& O: u4 h! c- static int readparam(unsigned char *mac, unsigned char *stbid)- Q$ Y m' ^9 M. w$ V* P
- {
' {( e) |% Z2 _. Z - int fd, ret;
. S' }' l2 [0 z* \ - e2prom_s_cmd arg;
0 n; y* Y. o2 b, m. r8 p - unsigned char buf[0x18];, `" a+ ]# o! F* M @/ ]
e2 v8 P( y7 U7 U$ Z5 A- fd = open(E2PROM_DEVICE, O_RDWR);
# X( } e3 e4 o9 W3 J( i - if (fd < 0) {% {; T) W3 ]& s1 R4 e# A5 M( U1 z" {
- printf("Device %s open error.\n", E2PROM_DEVICE);( W! K1 y @9 E2 p" g4 H5 A8 L
- return -1;
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- arg.sub_addr_count = 2;2 `- G \9 ~& _; i w
- arg.data_count = 0x18;* V$ z( a6 h1 T
- arg.e2prom_cmd_sub_addr = 0x290;; P, r+ ^2 V! K: L+ A' a
- arg.e2prom_cmd_data = buf;, R- h; M' ?% k! C2 r! p
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( C6 m4 Y& s# }9 E1 t0 l
- if (ret != 0) {
2 v& ~7 G6 T9 F( G - printf("Device %s read error.\n", E2PROM_DEVICE);
7 G" r3 B; z; s - return -1;5 J5 o A0 H# K2 M) U! i
- }
2 F9 R9 H8 X; m8 I$ `( C! {, Q - memcpy(mac, buf, 6);3 [, e- U! |/ O( ^0 x( m# n# V
- memcpy(stbid, &buf[6], 18);
/ B+ A5 i4 u, n4 @* {) t - stbid[18] = '\0';3 [7 Y- D# Y- J4 e6 s( H
: o. G" j/ i# _8 P! q' Q+ H- return 0;- u5 O2 A/ |& {: w0 W6 R
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid); o8 B) i! X, X+ D8 p( m
- {2 n0 j* V | N
- int fd, ret;$ f. |' l: z* H) w/ g# M3 _6 ` K5 C
- e2prom_s_cmd arg;
; D$ J- ~* a O6 a; f" c' K7 @# g - unsigned char buf[0x18];
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/ t# q5 k" X2 g- ^- memcpy(buf, mac, 6);+ s7 d* i- z. t0 T, H
- memcpy(&buf[6], stbid, 18);
& ^. R0 E/ ?: D$ R9 i+ ?1 j - fd = open(E2PROM_DEVICE, O_RDWR);
5 T* J: z1 v8 `7 I8 A! ~" M( Y# v - if (fd < 0) {! G8 @) o7 a0 P( \% _: b3 W6 X
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 L4 \3 B" t4 \1 W' U: U - return -1;
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- arg.sub_addr_count = 2;! l0 y. i a1 @. i6 X9 ]" y* o
- arg.data_count = 0x18;! r- m+ c7 L* C I
- arg.e2prom_cmd_sub_addr = 0x290;
" P' Y9 M- P. I/ C - arg.e2prom_cmd_data = buf;
, `6 K* Z u! x0 q) A: m: T- a- I. K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 t9 _7 Q( {; Q; t3 c5 H2 } - if (ret != 0) {
& {8 p6 D0 R6 R' I y- Z8 Q% X - printf("Device %s write error.\n", E2PROM_DEVICE);
& A/ d6 A( W; K - return -1;
2 K w' U% c. I1 h - }
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- return 0;
# Y+ F3 d- D/ Y2 K - }
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' A1 X& m. b% t- int main()/ P s" W: Y F. D6 n% z
- {9 N: `' x3 F6 B5 O* W# G
- char c;8 a1 H0 B: z9 J: h# `% a
- int i, macs[6];
! |4 A' y/ ^, u - unsigned char mac[6];
F! Q. d% h' k7 I. V, s - unsigned char stbid[256];
3 Z. R% n. W* F
$ l5 c4 X' ^5 V- R! |/ T f- if (readparam(mac, stbid) < 0)
& d ^$ n* w' K - return 1;
+ i4 R0 u; `; D1 N" l/ ` - ~1 u2 f2 a+ N1 h0 P6 O4 q
- printf("Current parameters: \n");
: n4 \! {( }5 [0 Y* j8 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ ]% Y3 a. q2 M! f$ h2 ] - printf(" STBID: %s\n", stbid);
; R) \. V. C. f7 i9 M- m -
; S6 K& H- V) [( n - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% w; {+ Z0 N: M* I5 ] C - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% j" E# d# d0 K/ d5 Q; @
- printf("Input MAC error\n");. E2 [/ W+ S" }; \! L3 U
- return 1;
/ L& w2 s$ q+ z/ D - }8 T9 }0 I5 v3 C! \2 V! l: a: Q
- for (i=0; i<6; i++)mac[i] = macs[i];
% x) `/ ]! N) a/ O - printf("\nPlease input new STBID: ");
8 P+ h% d5 u8 q- i! k$ S$ }" K - scanf("%s", stbid);
) b2 J% V0 ?: }6 C& h7 S - if (strlen(stbid) != 18) {
. C( V* p& ~7 s- G! r* T0 d; j - printf("Invalid stbid\n");# v H/ k4 F5 z& d( ]4 N
- return 1;% A( r) l1 o: L) S, H; d/ X
- }
9 ?6 k+ }8 D1 e5 m! u; ^ - printf("\nNew parameters: \n"); N' G4 P* _6 E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& `3 x C: Z/ M2 B9 T3 o0 d - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");' }9 J+ u+ j5 g
- for (;;) {2 C- v' E3 k, }" ~ S! |1 b! g7 [
- c = getchar();2 V7 F4 ~/ C* h1 |0 ]4 T. b/ W
- if (c == 'y' || c == 'Y')
3 ^6 q. O" N3 @3 R# b) _$ `% @$ v - break;
' X/ |+ g2 c! a5 `3 n - if (c == 'n' || c == 'N') {
4 X/ g P* n" _# ~ - printf("\nAborted.\n");
) i/ S8 O$ a! R4 r5 K - return 1;
% S& Q! I3 y1 R - }- B. {: Z# i( W. R) @3 e" f0 X
- }
1 D- c6 H) |) {' {1 a - if (writeparam(mac, stbid) == 0) 5 `- x1 O' B2 T- h5 {
- printf("Parameters changed.\n");
; c$ ~% G& W2 t
# y9 U) C3 J/ X" r- return 0;, ]6 }' Q3 U5 q
- }
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