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。
' g# ]% K! W0 i# }, J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 K3 i: i* B1 i
- #include <malloc.h>* ~. C# f& r$ Z3 f% c9 J5 T
- #include <sys/types.h>
0 M# a0 O" _$ c; F, P3 J- @7 ] - #include <sys/stat.h>
$ \4 y H1 \. h( m6 a - #include <sys/ioctl.h>, `2 h& u6 V3 v% A. I8 G) V2 {
- #include <stdio.h>
3 K# j- n z+ F9 Z/ y, d# G - #include <string.h>+ ?3 H9 \0 Y( [5 u O& E
1 v+ w% z1 E& n; [) b& U- typedef struct {- [+ p# P, s7 a% c( p y6 U4 a
- unsigned int e2prom_cmd_sub_addr;
3 F: u6 _& O3 b A - unsigned int sub_addr_count;
9 p' J0 o1 |5 \ - unsigned char* e2prom_cmd_data;
5 _/ {- y4 h; W4 x - unsigned int data_count;' i% M1 p2 y& {0 B+ q
- } e2prom_s_cmd;
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/ e& _0 t" l% _6 Q2 g- #define E2PROM_CMD_READ 1
# p4 {7 x0 l: J2 L0 L. ` - #define E2PROM_CMD_WRITE 2
/ W+ p2 r$ Q+ x% g5 K) M; k6 n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 u4 D0 q9 n; w0 F3 }
) z6 K, M8 w, k* C* B5 ?" T- static int readparam(unsigned char *mac, unsigned char *stbid)
6 f0 Z" r: C9 m! g - {
) [. k+ f; \7 }# Y' } - int fd, ret;+ ]0 u+ X, M/ w5 e
- e2prom_s_cmd arg; D( U* S) d5 {$ U
- unsigned char buf[0x18];
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0 W# m) [9 `( z L- {3 U- fd = open(E2PROM_DEVICE, O_RDWR);6 n6 s% W7 ]; u6 t
- if (fd < 0) {
3 \3 N) ~; b; i: j5 s - printf("Device %s open error.\n", E2PROM_DEVICE);
* i. ]+ x2 |5 Y& E& ]1 q0 N( B - return -1;
6 t5 [" P; p* H* r! I# n# L - }
; F" I) K1 s" }; z& n - arg.sub_addr_count = 2;8 q( A& P! b2 l
- arg.data_count = 0x18;8 y+ {5 `2 V2 C, l* V
- arg.e2prom_cmd_sub_addr = 0x290;# B* v4 E+ J" c) C
- arg.e2prom_cmd_data = buf;
; F3 D+ X# W i& d- Q6 } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 s# [0 U, c5 \% r7 @6 w - if (ret != 0) {: ?4 m0 [3 G7 T$ x
- printf("Device %s read error.\n", E2PROM_DEVICE);
, b; l {' J9 S+ l# O8 u* E - return -1;2 z+ e' ~8 N% i' ~
- }8 q( A" W6 A0 e
- memcpy(mac, buf, 6);$ `- L" L1 x% K* |. i
- memcpy(stbid, &buf[6], 18);
' K' P" r; p4 H8 [: j6 A - stbid[18] = '\0';5 C8 l+ O" E- o6 `" p e3 z7 `3 {
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- return 0;
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- {$ u, P+ W. Q% d5 l- static int writeparam(unsigned char *mac, unsigned char *stbid)
" k7 k/ X- W+ r7 @ - {8 ^; _& S8 H* o1 P. T; `) R
- int fd, ret;+ A3 j2 y7 B3 Q- u# q7 |5 K
- e2prom_s_cmd arg;
: D5 O/ ]8 C$ d2 v - unsigned char buf[0x18];0 V4 s2 F- @( \0 C2 D8 i! q0 [
6 ^7 c: x% v4 ~2 \) h- v- memcpy(buf, mac, 6);
) ]3 B: T6 |( R; \3 Y1 j3 m - memcpy(&buf[6], stbid, 18);8 [5 ^7 `: Z6 j- `. N# p$ o" d# c
- fd = open(E2PROM_DEVICE, O_RDWR);
8 ]8 V" Y* U8 a3 k8 r9 [ - if (fd < 0) {
2 B! w v( P! M! K7 S6 R - printf("Device %s open error.\n", E2PROM_DEVICE);
6 J; O9 ~$ y3 u4 R( T - return -1;
, ]! K+ c$ Z' y# X2 j7 t" u - }
; |5 l6 o' F3 W - arg.sub_addr_count = 2;7 h7 s( p/ J/ C3 n+ \; p
- arg.data_count = 0x18;, r5 M* B% s5 b' d
- arg.e2prom_cmd_sub_addr = 0x290;9 x, b# L# ^1 |- V
- arg.e2prom_cmd_data = buf;
4 h$ z. U7 X4 j4 k) l - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; A6 g4 C' H/ W
- if (ret != 0) {
) j: F% ^& l- @+ V - printf("Device %s write error.\n", E2PROM_DEVICE);
$ ]% ]; d6 R4 T( Q: @ - return -1;8 l( e0 f# a! M* e3 y
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- 9 U! f" I7 U' c7 s8 r
- return 0;
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: D5 a& ?" v* I! g, m% ~- int main()+ S7 t( f$ {. V; H% P
- {
1 j6 {4 N, b. K w& i - char c;
& ~+ L- q' L3 p, d- t n: n - int i, macs[6];. j+ y4 J3 O& i7 T+ e
- unsigned char mac[6];
- H( Y1 x4 N6 z6 c! ^3 X - unsigned char stbid[256];
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; R8 ^0 L, B8 t6 ]% x- Z c( Y- if (readparam(mac, stbid) < 0)' ?. v" S3 N7 d
- return 1;* c+ S, Z- w% ]3 E6 V
- % ^* A5 V; ^3 U4 h0 x% K' h8 Q' K% L
- printf("Current parameters: \n");8 j& ~3 {4 t* K& p! z! Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 x, J( U; m1 t
- printf(" STBID: %s\n", stbid);8 ~! k% r7 \1 z- `, N, |$ w
- - }$ N$ a- }; M' p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' {6 F9 f* }4 \7 [ q/ f7 q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ N k5 ^7 h& ]2 h9 l' V - printf("Input MAC error\n");
, ~+ s1 x) k/ P; `( A5 ?1 @- z: J - return 1;' A9 H+ @( Z' l1 L. P
- }$ t9 w$ @2 q/ j# X6 B ]" `8 G
- for (i=0; i<6; i++)mac[i] = macs[i];
) R! C, w8 e A$ J8 l - printf("\nPlease input new STBID: ");
# O) |6 t3 f5 A5 j7 J8 `, I - scanf("%s", stbid);
: B1 s' p! B' i$ j/ Y! r - if (strlen(stbid) != 18) {0 J0 w# A/ V% Q4 O( J5 G; f% Z
- printf("Invalid stbid\n");
1 n: S7 K* y" y) F - return 1;
9 U4 J/ y$ {9 z) ^ Q - }
: l- c4 A2 O! a/ e; B1 b% V - printf("\nNew parameters: \n");
' u+ s* t: V: z' J! z0 j2 j5 O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) ~; q; e* }, Q/ z - printf(" STBID: %s\n", stbid);7 t. ?( ~) v. m. F/ ?# p0 k
- + H; Z1 V3 n4 o# Q& ?
- printf("\nDo you want to change paramemters? (y/N) ");
" i3 ` C( q4 n# f - for (;;) {9 C6 [+ }" z, H) h7 h
- c = getchar();
+ [( v! p4 E4 W* Q% o/ s4 |$ p4 a% Y - if (c == 'y' || c == 'Y')+ m* j& x; _' {
- break;, Y" H2 U: G- @- w8 ?; c* O5 z/ |! O
- if (c == 'n' || c == 'N') {0 }0 ], U: G5 u
- printf("\nAborted.\n");
/ k3 g) X7 U$ k- u" r: Z3 Y+ f J - return 1;! }+ C' [+ w! |5 o
- }" [: A: Z* |2 e7 j- F
- }6 h4 f, t: T9 ^% O( \
- if (writeparam(mac, stbid) == 0)
6 u3 {/ F% n, }" z N: R# I/ Q - printf("Parameters changed.\n");& y8 `0 b# h1 ]+ p- f6 C
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- return 0; S7 x4 |4 z3 `0 K# @2 _: Y& | l
- }
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