本帖最后由 0522 于 2012-3-21 23:04 编辑
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2 S3 `4 u8 f; g修改的代码早有了。到今天不会编译。
4 C& w- L/ k; s8 D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 Y" Z# |, g* e W% w - #include <malloc.h>% p; q+ @$ l5 u, Z2 c
- #include <sys/types.h>
0 f- j1 s. g( F( `9 g - #include <sys/stat.h>7 t' W& n0 y% l4 z. ?) h( L
- #include <sys/ioctl.h>! `0 T* `3 e, z2 B
- #include <stdio.h>4 s* U8 S: e1 M& d: S3 ?
- #include <string.h>4 q, V2 v }; P$ w
- 3 \; k$ b+ r/ S2 Q. W2 Y& U
- typedef struct {
, E5 h% f% t& ]" j$ Q - unsigned int e2prom_cmd_sub_addr;9 `3 R/ L% z/ n2 T
- unsigned int sub_addr_count;6 e" F4 {5 L3 d/ u V, _
- unsigned char* e2prom_cmd_data;) ?; Y$ f5 R* \6 v6 M* z
- unsigned int data_count;
( v' i0 i$ v% Y' l+ H& ^ - } e2prom_s_cmd;7 _5 x8 `- G/ F' ~' W7 l, ~
- & l" F8 ]' f3 K: R3 {
- #define E2PROM_CMD_READ 15 J9 m& _. n5 u7 m; R0 h5 d
- #define E2PROM_CMD_WRITE 2
& W7 W" d6 B* e5 Q. O7 L - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( c, _: ~. d' ]) y$ a6 i! R
- # j2 m; c" F, N5 r
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;$ L& K7 B8 @$ y4 M$ ^7 w
- e2prom_s_cmd arg;
$ y# J6 `. e( M1 ~4 {5 c6 X( J - unsigned char buf[0x18];
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! v" G8 T7 ]9 e) N3 z- fd = open(E2PROM_DEVICE, O_RDWR);( _1 v p5 ?% {9 ~3 l
- if (fd < 0) {% B3 H/ |" F; p8 q- F! r2 p9 c" Z7 z( J1 m
- printf("Device %s open error.\n", E2PROM_DEVICE);# V3 ?% S$ {$ q4 }
- return -1;
7 t3 A7 n2 {9 E% S W0 |: [ - }
) O- b0 v5 R" J3 N( ] - arg.sub_addr_count = 2;
9 ^/ n4 ]$ c$ l+ a - arg.data_count = 0x18;% d. G' P% y/ v
- arg.e2prom_cmd_sub_addr = 0x290;$ u+ H; \* J1 Y, i4 d
- arg.e2prom_cmd_data = buf;0 V/ w f6 T8 C& ]) V( T) M
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# {1 u0 k( q4 ~ - if (ret != 0) {: w7 D/ H/ \; Y H K) R' h
- printf("Device %s read error.\n", E2PROM_DEVICE);
9 } }" Y/ R7 @$ P4 H2 C( M - return -1;
1 T5 u' p& w6 j$ b - }
! \( M* Z& e* R A' D% H% @0 R - memcpy(mac, buf, 6);
$ ? `9 @, ~5 Y. E# E/ v - memcpy(stbid, &buf[6], 18);
( f$ B$ Q+ r7 k$ ]! Z5 u, r: S! L0 g' B - stbid[18] = '\0';
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8 Z; Z( o& a4 ~; E$ E* v/ J- return 0;
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- : M3 M9 D4 h8 I* O5 T
- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ M/ U* T1 ^0 s0 j3 m - {
9 v' S5 u- o4 }* K* P* N& D - int fd, ret;
& M1 }9 ?6 [# O1 Z$ N { N - e2prom_s_cmd arg;
3 }; C" T$ P2 k" m6 z; h' k, t) g - unsigned char buf[0x18];/ T- k- B- I: b( L; w
- / ~4 r1 ^/ G, F8 q$ ~! \& O- R
- memcpy(buf, mac, 6);
( i, N+ E k( K - memcpy(&buf[6], stbid, 18);
% ^! a! H" F$ R - fd = open(E2PROM_DEVICE, O_RDWR);
0 _& s2 ~( l6 b* S% ?; E6 o - if (fd < 0) {
+ g, k! e' d8 i% ` - printf("Device %s open error.\n", E2PROM_DEVICE);
( N" M( P8 r" _" \! K; v2 A6 ~ - return -1;
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- arg.sub_addr_count = 2;
4 a* H! g; l* @2 ^) [) g8 t8 A - arg.data_count = 0x18;7 j' A- q3 c0 f
- arg.e2prom_cmd_sub_addr = 0x290;: H# o6 b8 t4 N+ F* I( R
- arg.e2prom_cmd_data = buf;
. U3 U1 R+ Y/ g ]% X' M - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 g* ?- i0 ?% B1 j+ Y' h p" [ - if (ret != 0) {
0 F" |+ g+ m8 l- Z. w9 n0 F3 h - printf("Device %s write error.\n", E2PROM_DEVICE);
! u& [; p" s8 R8 @& r. F" u2 t3 J - return -1;$ }+ K* n/ u; Y1 C' a! s2 S o
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- 2 t) f* A+ q1 U/ C, b; C0 {1 c8 ]
- return 0;
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Y+ m% Q s' I5 p" [7 k* f- int main()
. t! Q6 M* q4 h7 G. A* K0 G - {
- }; H* r0 k% a' x* ?, [ - char c;& b8 H! K9 Y1 L
- int i, macs[6];0 z \2 O& {$ [2 F/ J' M, [
- unsigned char mac[6];
# k* Y# p M; S - unsigned char stbid[256];
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/ V4 Y' P& G( v" ^3 H# S9 f! ]- if (readparam(mac, stbid) < 0)
7 [0 X) R+ P* W4 b2 t - return 1;9 Y. S4 u$ [7 w& l3 a
- ! X' j0 g0 V) b9 @8 g
- printf("Current parameters: \n");8 |9 g. ~$ a1 j9 o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 v2 Z2 h3 K% b3 J$ t4 R - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ v5 h3 ?% N: y2 b
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* H0 m9 W% r9 u2 t; I/ F( k - printf("Input MAC error\n");9 q5 T+ l; D/ M+ D% P5 Z& u5 A- R
- return 1;/ b6 t8 @) h2 i; q, p
- }6 r, b7 |1 H! y6 @# c( [- z
- for (i=0; i<6; i++)mac[i] = macs[i];
# A4 q" A+ K/ z: I - printf("\nPlease input new STBID: ");9 W7 @; Q8 [4 L% o q- ]7 K
- scanf("%s", stbid);5 }; l4 o; M% ]1 s- s% q0 t3 P
- if (strlen(stbid) != 18) {) p$ X4 o2 g& R7 ], V
- printf("Invalid stbid\n");: x! a" A R6 v# f) j: J/ F
- return 1;5 G- j& N# z1 `" b
- }
L) K1 w3 F G' N6 H5 B* \ - printf("\nNew parameters: \n");! G( u$ D8 r, y: Y( w: N+ H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 C8 _5 X+ @: i
- printf(" STBID: %s\n", stbid);
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: {. D: m6 `) p ]- printf("\nDo you want to change paramemters? (y/N) "); B. ^9 J8 O0 ]
- for (;;) {' p" l- X/ {0 `+ j6 N& `
- c = getchar();& ^4 M/ `6 W2 ?
- if (c == 'y' || c == 'Y')
; Q6 K2 h W4 m, p5 p- g. k- J - break;
6 h$ B0 B+ f* ?0 A+ Y - if (c == 'n' || c == 'N') {% N3 R% ~! l+ a' F* v( L
- printf("\nAborted.\n");
/ t$ h% D$ K7 A9 L - return 1;
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- if (writeparam(mac, stbid) == 0) . @ [; d6 k% B" H" H9 ^
- printf("Parameters changed.\n");* F0 a; Y* c9 I% e! B
2 m X* l' s+ E2 B& ?- return 0;
G* f+ Y+ r W - }
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