本帖最后由 0522 于 2012-3-21 23:04 编辑
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7 P% e: E7 y/ \修改的代码早有了。到今天不会编译。
: c. z6 v' {8 q1 m! I& G4 @0 v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 I. u0 n$ x+ d) a
- #include <malloc.h>
% g. [- q8 E+ g3 g( t - #include <sys/types.h>6 l5 s, Q9 O2 a, D; q
- #include <sys/stat.h>
7 d; D4 `2 a# [- g2 E - #include <sys/ioctl.h>0 D- Q& g) b" M9 b2 c5 M
- #include <stdio.h>* s( z" I* i( t9 h8 q7 ?& ~6 e
- #include <string.h>
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' y- O& y1 `+ L0 ? O- typedef struct {& M2 s) }$ l* j, ~ P5 g
- unsigned int e2prom_cmd_sub_addr;3 F9 ]5 W% C8 Y# J: @2 Z
- unsigned int sub_addr_count;, r1 p! t; h' \& ~- V
- unsigned char* e2prom_cmd_data;
3 m. o* L2 @8 u* M# N# T6 ] - unsigned int data_count;3 u* Y: \3 W; G9 ]) [/ _5 U: _2 C
- } e2prom_s_cmd;8 H( n" `% d6 z* }3 j' }
* Y, V2 H/ X+ l2 U0 {" t/ _! ~0 z- #define E2PROM_CMD_READ 1* |, M; {" O& q6 ?, D
- #define E2PROM_CMD_WRITE 25 T9 l* y& k8 n9 b0 L' M
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! f) e& k3 h- ~5 B2 L# A% Q8 z* P
5 P1 C9 Y5 R7 v4 u$ W- static int readparam(unsigned char *mac, unsigned char *stbid)& y+ ~ f ^. k' y% P5 g p( t$ ~4 N
- {
9 k9 Y/ b( L+ V5 V6 ^0 { v4 E, @; u - int fd, ret;! `# S/ t) r- t$ R
- e2prom_s_cmd arg;, L0 h/ L g6 x H2 s% ^0 Q; K
- unsigned char buf[0x18];. E- U7 g# K0 W$ ] ?# D
6 u2 c# R5 e* e) F7 m q* ]- fd = open(E2PROM_DEVICE, O_RDWR);- v% H. J. S7 o4 q B
- if (fd < 0) {
" u4 `- N4 T# l, H. ?; N - printf("Device %s open error.\n", E2PROM_DEVICE);
* ~" E. N% e4 D! ?) m( L( e - return -1;
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- arg.sub_addr_count = 2;, \, j3 f/ Y q, g! d2 N
- arg.data_count = 0x18;# }9 b6 L: M i S
- arg.e2prom_cmd_sub_addr = 0x290;* I& ^5 J8 N$ Y+ ? F3 E7 x" ?
- arg.e2prom_cmd_data = buf;, G8 h0 B7 O- y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);' p. j" c8 P) V. D
- if (ret != 0) {
) L* k5 x* u) m - printf("Device %s read error.\n", E2PROM_DEVICE);$ t) r* P$ [* ~) T
- return -1;; Y% W6 p5 Q4 P' x
- }
& P W; S7 |% {( t2 e - memcpy(mac, buf, 6);/ J |5 T. [! |
- memcpy(stbid, &buf[6], 18);4 K" j5 ^4 C& V7 V1 u5 i) B
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)5 l& g; c* [6 z! Z
- {3 r8 B- |2 O# O1 N" j/ V
- int fd, ret;
3 E8 _1 j! S1 f8 G; [ @0 @: v - e2prom_s_cmd arg;
) h7 u% |2 v3 e& M; w - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);8 P+ I% Q1 w, |) `$ B) ~
- memcpy(&buf[6], stbid, 18);
. F# C! I3 T! \$ @2 p+ o' r& R - fd = open(E2PROM_DEVICE, O_RDWR);, w4 A0 S9 s6 N. {1 V
- if (fd < 0) {; r4 P% ^ E; R0 [: T
- printf("Device %s open error.\n", E2PROM_DEVICE);; b/ g: m Q5 ]. K/ ]
- return -1;
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- arg.sub_addr_count = 2;
5 `* `, i9 q/ J8 S: L7 V - arg.data_count = 0x18;! H( K7 C6 w& m/ ?. x4 q f5 Z1 J* ^
- arg.e2prom_cmd_sub_addr = 0x290;+ }/ h: Q1 o+ p
- arg.e2prom_cmd_data = buf;
$ }; p+ _% c9 d" `6 ] - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" y5 G; g$ X* h# b2 C# e0 ~ - if (ret != 0) {
& x8 K, m9 c2 ~( { - printf("Device %s write error.\n", E2PROM_DEVICE);
. a- M! O5 d/ `. m* \- W - return -1;
& m' k2 _" h0 S: ?6 ~3 F' Q - }
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1 e) d# O$ a; _3 {) i- return 0;# c! J: |" o9 O3 l4 o2 a
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- $ ?# r% A4 m% i2 D
- int main()
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- char c;
/ i4 ^/ o0 P4 s; H& j: ?) Y( } - int i, macs[6];; \$ e) z! ]/ S' s2 l- ^3 ~ Z
- unsigned char mac[6];6 q# t3 Q3 E2 p! ~5 E8 T
- unsigned char stbid[256];5 u9 ]1 w6 v9 _2 k6 f! e7 c
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- if (readparam(mac, stbid) < 0)0 c5 F8 {3 _8 k5 N
- return 1;0 T, i W$ C1 L2 d
2 W" I# R& x% [8 a3 Z# s/ R- printf("Current parameters: \n");# c5 p' z. @1 n) O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; J: K. h( G8 k0 B1 s. J4 x! N
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& P! c1 Z8 @+ {3 \# L- X. O
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 P/ T I* }+ M+ V
- printf("Input MAC error\n");) ^* b& V* K1 v- S4 M' I; k
- return 1;
2 [2 S! T9 R" [; V0 N - }2 J% Z0 y3 k- S; S" P) |7 B
- for (i=0; i<6; i++)mac[i] = macs[i];
6 [! x+ |/ |0 j: W ?7 ^' g - printf("\nPlease input new STBID: ");
5 W4 Y5 D& q5 U& b - scanf("%s", stbid);- M$ j Y/ b' }9 U
- if (strlen(stbid) != 18) {- y8 y" i6 s( a. S9 F. i
- printf("Invalid stbid\n");
6 p) F' ?8 p3 X' L - return 1;
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- printf("\nNew parameters: \n");
; t1 f# f4 X- ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 R2 t* ]. s, V9 g" ]( t - printf(" STBID: %s\n", stbid);" n( O0 ]5 ]' }% T V
- , u& E9 T# S! D& q& |1 c7 V
- printf("\nDo you want to change paramemters? (y/N) ");2 M6 O/ | y& i$ W& T' O
- for (;;) {/ q1 B1 K- N" \) S( x: }
- c = getchar();% K# f7 p- Y _" {8 U
- if (c == 'y' || c == 'Y')9 b3 m* K. x" {% k6 I' g
- break;
( D5 i0 s9 g+ r3 g, U - if (c == 'n' || c == 'N') {
8 d8 s. w( y% e8 \5 A - printf("\nAborted.\n");
+ x! c6 C; |# L: S - return 1;
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- if (writeparam(mac, stbid) == 0) $ }4 [' c ^9 J& i# U1 M1 Q1 p8 X
- printf("Parameters changed.\n");" w$ P! T" A E6 u
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- return 0;
4 l7 S: n) D9 o1 b9 q- G - }
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