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。. a" m. f: L Y' ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: ^5 y) P5 C8 Q. |9 ^( g8 C2 C6 U
- #include <malloc.h>
# b2 e9 o" b- f/ R" B - #include <sys/types.h>
( F- o. s, o- O1 D8 R. s# i. @6 z - #include <sys/stat.h> s5 |8 o8 ~. ^$ c
- #include <sys/ioctl.h>
: [* x4 d5 q8 \6 m9 k4 F - #include <stdio.h>
: @2 s& N1 l8 u9 ^4 z, J2 V& t7 k - #include <string.h>
# z8 X( x# z5 f - 3 Y5 {9 d4 N! q1 T0 j3 q
- typedef struct {
1 u: d! j0 G2 W& T2 e - unsigned int e2prom_cmd_sub_addr;+ I5 l* w8 w& e3 A' r% o
- unsigned int sub_addr_count;" @% y2 Y$ G8 g# Q+ F2 |
- unsigned char* e2prom_cmd_data;
- L' S$ n9 `1 _& R0 e' ? - unsigned int data_count;
7 i& Z1 c: s0 U - } e2prom_s_cmd;$ m; n" L# T0 g# W& m
6 q4 } J9 E* h! ]" X. C0 b+ c5 @- #define E2PROM_CMD_READ 1+ ~: m6 S7 R$ l3 Z) H' m" F& Z! j( e
- #define E2PROM_CMD_WRITE 2) @/ x; ~5 x' R
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* c( v# x$ n1 D9 M
; B; w' W% h; I+ N) \) M- static int readparam(unsigned char *mac, unsigned char *stbid)1 F4 C: z/ `+ `
- {
, d$ x3 A9 K8 O4 l - int fd, ret;
& x8 {" `: z9 ~ - e2prom_s_cmd arg;
4 ~* r7 `3 \' ^ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);* i+ b0 N/ L' ]3 z: J, h) i! K
- if (fd < 0) {
+ p* f) g0 [; h( v: I r - printf("Device %s open error.\n", E2PROM_DEVICE);
0 y- d/ Z% F5 E, m0 `' d - return -1;0 d0 `; \& P; H! J
- }
1 W; C; P7 o% b9 v9 D - arg.sub_addr_count = 2;
" o$ q4 v# D$ L - arg.data_count = 0x18;: d4 J" b. e: D' X
- arg.e2prom_cmd_sub_addr = 0x290;2 Q8 }- J d# T
- arg.e2prom_cmd_data = buf;
5 b# a0 M1 G+ S0 A, i4 } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- L8 Z4 ?* c$ b0 n& f* c% J4 v9 c - if (ret != 0) {) ?9 U0 G; d. E5 z
- printf("Device %s read error.\n", E2PROM_DEVICE);
* V1 @; D% K; B- T+ }9 E6 l - return -1;2 G' {$ K- j/ e
- }6 x' v& C( K1 x7 D- l. S& h
- memcpy(mac, buf, 6);. t/ E! N4 W) G3 b- M) e' U! V( ~' @& W
- memcpy(stbid, &buf[6], 18);+ n7 f! e2 |& _: i3 _
- stbid[18] = '\0';
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8 y7 s1 t: W7 w- return 0;
6 k0 }/ p% v7 r - }
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. r5 t; u* Z# `) r- static int writeparam(unsigned char *mac, unsigned char *stbid)
" F+ X- }. h1 e1 ? - {
6 ^/ G8 w4 r* X9 i1 x - int fd, ret;
! Q: H" c" I: I) n* [ - e2prom_s_cmd arg;
6 U. R1 i) r5 B. X" q - unsigned char buf[0x18];# f6 T) o" E7 l" i) `
/ `5 \# r. u: D4 j- memcpy(buf, mac, 6);
( l4 t5 ?* n2 {" H - memcpy(&buf[6], stbid, 18);8 Y' ?0 T# E" a. m" N' T$ @6 h
- fd = open(E2PROM_DEVICE, O_RDWR);- H! Q5 N8 S5 |$ N
- if (fd < 0) {# ?) C# E6 a. {. O
- printf("Device %s open error.\n", E2PROM_DEVICE);: H0 d B7 W) x# y
- return -1;
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- arg.sub_addr_count = 2;% ^( b* _/ J" ], Y2 v& c+ O+ \6 l
- arg.data_count = 0x18;0 i+ b9 w! y9 ]* n2 r
- arg.e2prom_cmd_sub_addr = 0x290;) G- Q6 X# ?; M# t: B
- arg.e2prom_cmd_data = buf;
, |- y4 M |! ]/ K; h8 E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 I9 w; i* u4 w8 k9 h4 x
- if (ret != 0) {5 G. y- e8 T. S5 g. [+ U
- printf("Device %s write error.\n", E2PROM_DEVICE);
, i( ~- N# N- @1 V% @ - return -1;. f* i& ^. h; P/ G$ F2 p
- }. h: ?+ x+ P3 [+ Q
- ' F+ u; l1 f- L G2 C
- return 0;
' [3 {* l+ D8 O& U( O5 o - }
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( S, z- o# G# k( u8 |- int main()( P9 T( Q) H+ p% p" {: @6 u! u* h
- {
- \) P8 i; O k% F2 L6 B0 x - char c;+ e( ~) V: t% }. ~. B: L) G' ~! [7 N
- int i, macs[6];/ @+ a8 ~ ^! U8 A7 g
- unsigned char mac[6];
9 A" }1 }; ]& g+ O& S. v c - unsigned char stbid[256];3 C% e" H8 O9 I" H
@# a& {1 q8 h) `: K8 [- if (readparam(mac, stbid) < 0)
: ?& V N ^9 H/ @+ C - return 1;! U4 P6 w& R! N0 } c
$ l0 O9 U1 F, v- printf("Current parameters: \n");9 d; Y# d1 Q4 _+ R# _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 J8 T1 V0 h& a+ P
- printf(" STBID: %s\n", stbid);9 M5 g8 ~* m& ]
- , ^, E7 q# r5 d. X. ^9 }$ g" z" p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! E+ @% n [6 _3 O9 b. \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" f/ r/ q* {+ |1 K# A/ _2 C. F
- printf("Input MAC error\n");9 F! I% }2 a$ h
- return 1;
7 ]+ G* _( S; u9 R0 D' Z - }
+ Z: f, r5 | ]1 r/ J, N6 c$ M - for (i=0; i<6; i++)mac[i] = macs[i];
6 ]4 N/ D$ i# P - printf("\nPlease input new STBID: ");
' O! p8 S* j# u r ^) p- b - scanf("%s", stbid);% T, T$ S, N+ e2 _3 u- s+ E4 e( U5 m
- if (strlen(stbid) != 18) {5 H* V% m+ p9 A% C& @0 j$ L( e
- printf("Invalid stbid\n");, m; Z0 x7 d" ?2 {" d
- return 1;! L4 {: T& R' P! Q6 R
- }0 y! I* z$ f7 O$ S6 a% g
- printf("\nNew parameters: \n");
' G% ~- G" t4 o$ C" P/ i4 S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ F' G4 w% _6 s' U2 l, ~/ y, L0 j - printf(" STBID: %s\n", stbid);+ L! z9 m, f1 s7 X, ?" }
4 r- h5 a/ D$ q2 b' }- printf("\nDo you want to change paramemters? (y/N) ");
7 d9 r5 c# d6 F5 e - for (;;) {% h7 M6 x7 N8 C
- c = getchar();8 c( m& o# h- Z; n* `
- if (c == 'y' || c == 'Y')3 K8 t. R/ Q( ~; r' N' A
- break;
2 R J% ^; h: q - if (c == 'n' || c == 'N') {+ }" K8 l6 Q* t( V F# r! c/ ^
- printf("\nAborted.\n");
/ h2 ^9 i/ t) |* \. p - return 1;
1 q8 {" J c. d7 J - }
- x0 S/ |5 B. v& E* {6 X - }
- @& j9 W0 p" k+ l* G: Z+ N - if (writeparam(mac, stbid) == 0)
/ m3 @: u$ }6 C( @7 t - printf("Parameters changed.\n");
# e% b# L" z7 Z$ b; p
2 m* A( ]! W, G7 G- return 0;
% S- P5 f A2 i, F - }
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