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; X3 O2 P# x3 ^需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, H; N% u2 [, y# P( L! ?# Y
- #include <malloc.h>
O' ^; S7 M- z, z! ?! S - #include <sys/types.h>7 d1 [3 f- A9 ?2 h, a
- #include <sys/stat.h>
( @ c& i$ \+ e) h - #include <sys/ioctl.h>
; t7 m2 \9 }% G1 s/ S& F3 i* o - #include <stdio.h># N* Q7 b" T( X0 S
- #include <string.h>
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- typedef struct {) U6 j8 Z/ }+ W% N, T, N5 @
- unsigned int e2prom_cmd_sub_addr;5 ^% j/ D& b! j, m
- unsigned int sub_addr_count;
6 e; I2 M# ~ g; E" j; d: a - unsigned char* e2prom_cmd_data;
$ u3 _ u) U$ s- B4 p; @* O - unsigned int data_count;2 t9 Q5 ?* o1 s) P4 u6 \% t
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1" c# m' u+ C# Y# @; R# i
- #define E2PROM_CMD_WRITE 2
/ t4 W) g6 f) s% \: u. Q' e - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 B3 i1 q0 J9 n5 n: g
- : J; u6 u# O Y- B: A' U% q8 d
- static int readparam(unsigned char *mac, unsigned char *stbid)
) w, K/ `3 S/ D5 ~- I1 l0 s - {
: O. `# q% u) g - int fd, ret;6 ^0 G, y2 [* k; P& t3 `% b
- e2prom_s_cmd arg;
( V, s. [& O0 |" \+ o- x8 } - unsigned char buf[0x18];1 |7 o' J+ v6 Y# E* a6 A2 Q: A
- $ a! o; h, O, t0 `; ^* f0 `" t, M
- fd = open(E2PROM_DEVICE, O_RDWR);
, | s+ F- l: o" K( l - if (fd < 0) {
6 Q8 U5 T+ t* n - printf("Device %s open error.\n", E2PROM_DEVICE);2 |! k& ^( t) M$ t: }
- return -1;, a7 Y8 Z/ x& ?) h/ N# X
- }
& |8 X+ b" Z" m, b& x* p - arg.sub_addr_count = 2;
/ ~( B6 I7 \6 E4 g* J5 w7 i Q - arg.data_count = 0x18;
& X6 Z* I. i2 L/ Z$ E* l. W/ y - arg.e2prom_cmd_sub_addr = 0x290;9 k' g8 a* u, X& o
- arg.e2prom_cmd_data = buf;
, l1 L" G( x7 U! e& s - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 A. B+ y4 z, J, F* C/ K; m - if (ret != 0) {
; }$ A. E9 P9 v0 k( u$ X - printf("Device %s read error.\n", E2PROM_DEVICE);; n1 H' z8 S3 A" v1 ~" E; U
- return -1;
9 ^" G% `8 B$ y; S - }
0 L) h* V( j) g4 C+ r - memcpy(mac, buf, 6);: E- W3 Z1 b" Z$ L
- memcpy(stbid, &buf[6], 18);
4 i8 `5 Y6 V3 u1 e5 f& V. x# n - stbid[18] = '\0';
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- return 0;
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- 6 ]3 I2 X; D# l- W7 \; g; V8 R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ x6 a+ |& j6 p- z - {
1 j1 \( Y9 ?5 {5 S9 l8 Z2 s - int fd, ret;
! W! m1 O3 K' w' O0 m% L* c0 { - e2prom_s_cmd arg;1 I" y, P" z, Z0 s
- unsigned char buf[0x18];' k9 F B' X5 ^% g4 s
- ! u2 G4 [* H; o- y
- memcpy(buf, mac, 6);
: s) M6 O4 e/ I$ E* ~* B - memcpy(&buf[6], stbid, 18);8 c( h! f: s# {. P, C* ]( Z! o
- fd = open(E2PROM_DEVICE, O_RDWR);
" S. V3 k. E4 U" k% W* P - if (fd < 0) {
1 A& `# R+ L$ y* ?, \% ` - printf("Device %s open error.\n", E2PROM_DEVICE);
6 |/ `4 y' J) r, Y+ E$ k - return -1;
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- arg.sub_addr_count = 2;& W: Y- E. W" O- I3 _0 _
- arg.data_count = 0x18;. c4 S* t7 {& z# D% L5 `( G; C
- arg.e2prom_cmd_sub_addr = 0x290;
/ J7 a! v. f) q - arg.e2prom_cmd_data = buf;
D3 R* A' I& Q g5 c( }4 l# w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! c8 P" f" G, D) C C6 f: H O
- if (ret != 0) {) G" r% V! D* r, w2 Z1 K8 b
- printf("Device %s write error.\n", E2PROM_DEVICE);( i% z/ B; s2 }6 D
- return -1;
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; T0 r: H; j* D7 w7 s- return 0;& {1 N, x, N2 @1 }* [
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0 P* ?1 V. `# t0 i- int main()
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- char c;8 q8 m6 T/ K8 a' {
- int i, macs[6];
- l) Y$ O3 a( C( `% N - unsigned char mac[6];$ B" X) t# A D4 [* y' r
- unsigned char stbid[256];7 k: U# l# ]) i! C0 B
& q+ K; S) v* {% b2 ^4 D o* n- if (readparam(mac, stbid) < 0)
1 ^5 K+ N4 D0 v; [2 i0 ^ - return 1;; j2 v2 p, b5 v' p6 E
- 5 s; {: t% k" G6 l( l
- printf("Current parameters: \n");
4 S3 g% u( E [# O8 I1 y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% A6 ~7 u2 {4 A0 c; D - printf(" STBID: %s\n", stbid);: z! n; z3 C) _0 m
- " g% P6 w& L% c5 y8 I2 F
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' K( c; u: \2 c$ [- [5 m. ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 p5 R; P8 W5 l2 D - printf("Input MAC error\n");
! V7 {( N }" Z4 L) o2 J0 s - return 1;1 T# Z. O1 k* U
- }: i. W! c) N) u; Z
- for (i=0; i<6; i++)mac[i] = macs[i];
4 R6 j8 e" P1 a" ^: [- ? - printf("\nPlease input new STBID: ");
: q6 N- y! t% p- c: a) c. @ - scanf("%s", stbid);
, I6 n& N3 T# H; s) g8 _5 Z - if (strlen(stbid) != 18) {) }/ ^* ~+ R" q8 E0 `
- printf("Invalid stbid\n");3 w d! K# l9 g
- return 1;
2 J$ W) V6 j. Q - }
* T4 U- c( Q1 V+ @2 U$ w" |2 R& R) T$ N - printf("\nNew parameters: \n");1 G* z4 f( L1 `2 B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; T+ w0 n$ {! R3 @/ L - printf(" STBID: %s\n", stbid);+ v ]& g' W5 M; g! ?
- + H" Z3 i' q5 ~0 m* W- ^- d; Q0 U
- printf("\nDo you want to change paramemters? (y/N) ");
; \2 T* {/ v( c - for (;;) {5 i: C. U$ ~* l7 ?/ M5 ^0 h
- c = getchar();1 T8 W% p3 `; y/ b5 \4 G
- if (c == 'y' || c == 'Y')
2 v8 w. A5 C! N8 B - break;
2 z, P/ \* w' S. _# _3 O7 h( E - if (c == 'n' || c == 'N') {
, Y0 l/ W1 l6 O2 j% h+ A - printf("\nAborted.\n");
/ ]$ ^0 v8 ?1 D2 s5 L* O+ {; p. ^: o - return 1;
) [8 [( J) d" F) ~( }9 ~. ^7 } - }
) b: n$ L( o% ]* b+ x+ K" V' S) R - }
( e" e5 G' B5 J( p: m1 R: j - if (writeparam(mac, stbid) == 0) " m( @% j8 z' A* @: B
- printf("Parameters changed.\n");0 s' n$ Z) A4 \5 s' T& V0 V1 F
- 7 i' z( m$ K2 z
- return 0;4 S1 ?: N/ E3 v @) g4 }6 M$ ]( E
- }
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