本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
7 s# l b* z7 l* D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; ?6 O' E5 {/ D - #include <malloc.h># R6 g6 ~- j5 z- i! R
- #include <sys/types.h>
4 p- h9 Y, h6 z: d, V - #include <sys/stat.h>+ \* c( A6 `, ^1 k2 n R8 ?
- #include <sys/ioctl.h>$ ]- X* a, j3 A5 O5 ]( e
- #include <stdio.h>; p5 f$ t" q) ^& J0 E' j
- #include <string.h>
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- typedef struct {
# K+ P* r& r" x7 d- B! s- d - unsigned int e2prom_cmd_sub_addr;
1 s% J; P" {5 i9 \1 { - unsigned int sub_addr_count;& n4 J( X/ e# V. v! [0 c! x
- unsigned char* e2prom_cmd_data;+ @, V, ~/ U7 h2 @9 Y
- unsigned int data_count;8 w3 Z7 H, h. G9 z7 [
- } e2prom_s_cmd;2 B9 V6 s4 b1 U5 t) s
- . M! G0 u( l1 l5 M& }! \9 }
- #define E2PROM_CMD_READ 1
8 c0 G3 A) P+ f# G6 Y" o - #define E2PROM_CMD_WRITE 2
6 m, n9 P0 V3 f( g" A V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ i8 E. H1 Q) a' u/ ?8 r
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) {% a5 { Z! a( }
- e2prom_s_cmd arg;
1 z. n9 }1 P0 g - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);7 v' |- s4 }& O1 ^# |- U
- if (fd < 0) {
+ s! C& c) P! h7 f# f8 e7 }- ] - printf("Device %s open error.\n", E2PROM_DEVICE);, B# n) A0 u. B) p/ u
- return -1;
- t$ {, @, o1 j9 s' x - }
[; {5 v& T& @ - arg.sub_addr_count = 2;! `, y+ M/ g, ?
- arg.data_count = 0x18;
% P& w3 j/ h( Y- n. Q9 z1 ~ - arg.e2prom_cmd_sub_addr = 0x290;5 O; ?, a/ Y2 n6 U
- arg.e2prom_cmd_data = buf;) l; }1 M' q8 G4 M3 F2 d, Y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 R& C9 B2 ~( S, j- U2 T* B - if (ret != 0) {6 a) i1 H- r$ s+ l- Q, O
- printf("Device %s read error.\n", E2PROM_DEVICE);
3 h2 D& `( H( W* j/ ~! w/ |5 @ - return -1;
$ A6 E+ s; C# s z- S: s/ T - }
1 v i6 D; E3 j, y: P* S+ Z - memcpy(mac, buf, 6);3 T5 M2 G" W0 U: @9 m- M4 K
- memcpy(stbid, &buf[6], 18);- k. o5 J; _/ @+ W
- stbid[18] = '\0';* Q& j" ?- B/ g
- 1 h, G7 ^" T3 N2 S7 A9 A+ h
- return 0;
) I* W5 B% ?3 ~- p7 x1 o - }; \$ C8 s) U8 h% q& h. U4 |. ^
4 }, g; s/ O+ c X/ [" Y- static int writeparam(unsigned char *mac, unsigned char *stbid)4 X/ G& ?8 A8 N: F/ _4 \# B
- {) x& R" z' L, w: _ e! d0 s
- int fd, ret;9 n; X8 i m! t& i Z4 x$ u
- e2prom_s_cmd arg;+ d5 p. q& f) q, S. y- z* K
- unsigned char buf[0x18];1 e1 Q0 g) v+ p& O
- 8 e, E5 B7 Z4 k1 c+ F* }0 ]
- memcpy(buf, mac, 6);! Q1 V( l K/ R/ D
- memcpy(&buf[6], stbid, 18);, M: h/ p& Y- r
- fd = open(E2PROM_DEVICE, O_RDWR);5 m! G) F; d0 X
- if (fd < 0) {9 d1 z$ z! ~8 [
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ w0 o1 T1 J9 n) O - return -1;0 @- i8 X- l( w+ ~
- }
1 ?/ x; @( w: N! V$ y0 _ - arg.sub_addr_count = 2;' O% Q1 O: |; |$ u
- arg.data_count = 0x18;8 {, w8 Z1 a$ c6 z; }7 [1 ]
- arg.e2prom_cmd_sub_addr = 0x290;* ^+ W5 T) E: W9 K R
- arg.e2prom_cmd_data = buf;8 _, X; c7 g& |! r, o) v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 F8 o( L' w X8 r7 F - if (ret != 0) {
J$ T" \: g3 H2 ~/ e: }" X - printf("Device %s write error.\n", E2PROM_DEVICE);
5 v1 o0 @! Y/ N - return -1;
3 J; u$ }! a0 P: {- s - }
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- return 0;
' ~# r! G$ x9 r! y2 f D - }
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3 W1 E) _7 z0 x0 R- int main()+ b. E% g" c1 {+ g7 ~/ `
- {
f2 C" b0 v) e - char c;! q/ O3 c N. F2 m. d
- int i, macs[6];9 a4 e1 v& f; r* Y/ s
- unsigned char mac[6];
6 J* ^9 B/ t; _1 t ]$ f - unsigned char stbid[256];1 x1 m0 p% O1 u0 {3 F. V- y' @
- 2 [5 c$ @" ?+ T+ ~: ^" B
- if (readparam(mac, stbid) < 0)
1 M5 J+ K3 s1 Z6 \9 n, k4 H - return 1;$ M* F, w* w- L1 N5 w. R" h* u
- ) F# m$ p* C0 q# U' _
- printf("Current parameters: \n");
- L6 S, N" ~4 B5 G3 M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! B8 G) ^. Z, n1 Q, h9 e2 Y d. c - printf(" STBID: %s\n", stbid);; X0 ?" z8 J& K
-
) o* g# V: K f- Y4 z+ T! G% V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( t1 I' M* f4 F7 N4 Z- o9 `8 y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 F: E) K6 w$ s; \' F. C - printf("Input MAC error\n");
7 {6 i+ E* h( Q! N% M - return 1;2 [7 I+ D: g9 H& E* l) f3 ?
- }/ a9 ~8 }( S; k8 \
- for (i=0; i<6; i++)mac[i] = macs[i];
8 J( U" |* v% f {6 ]3 k( V - printf("\nPlease input new STBID: ");
: ]- o2 y C( q' P - scanf("%s", stbid);# u9 N L/ |/ x9 v3 Z# l6 J
- if (strlen(stbid) != 18) {
5 }, }9 h; _1 k - printf("Invalid stbid\n");, E5 U3 a$ P3 v1 _. _* t
- return 1;! |+ }' v; M9 `1 E1 v8 S: I
- }& I$ _' ^1 t: h1 B; }
- printf("\nNew parameters: \n");
~7 R" F9 @) n5 v5 \2 E" f) _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ l: Z$ u- p( D/ _ q" I - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");8 J6 I' Y$ T5 e8 Z4 b5 E/ T$ I
- for (;;) {) }( @. N$ ~( \1 Z9 d+ M$ z$ j
- c = getchar();1 R9 P3 L! {% Q4 y7 ]
- if (c == 'y' || c == 'Y')
: n0 D3 {4 k6 l/ E' j1 Q - break;( T4 v4 R6 k$ c5 }+ p1 K
- if (c == 'n' || c == 'N') {
6 O B$ ]2 z% [+ H$ k+ E! H - printf("\nAborted.\n"); o8 D( I% T$ ^$ ^" i$ a. G
- return 1;8 O- B5 z( O) b! \) u
- }
5 A: l' A2 b! I# e; Z5 l - }
, G/ _, q) k: s. V: j* U! h - if (writeparam(mac, stbid) == 0) ! w% B K9 @6 p( ~3 ^* k* ~
- printf("Parameters changed.\n");
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- return 0;
0 o. b- c k T, R - }
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