本帖最后由 0522 于 2012-3-21 23:04 编辑
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% @ D% [1 P0 d3 S" h7 W4 o% l0 S修改的代码早有了。到今天不会编译。
1 H' A- e6 d; D3 Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: q* U7 ^6 G% Z2 z - #include <malloc.h>
7 \; r1 \3 d O- T9 E: X& u - #include <sys/types.h>% }( m9 Z5 d; z
- #include <sys/stat.h>
8 F7 F" I7 M) _, T# { - #include <sys/ioctl.h>* ^* }: V+ x1 @: B
- #include <stdio.h>
]. R4 W& \& t - #include <string.h>
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& m: R; b& B: N g8 v# D5 L- typedef struct { f2 `3 e* ~& ]0 D y; j
- unsigned int e2prom_cmd_sub_addr;( ]) J( S* {" a/ r* ]- v+ T7 `
- unsigned int sub_addr_count;
9 a0 C( `1 P0 J" [3 ` - unsigned char* e2prom_cmd_data;% d: ?" X# U! [
- unsigned int data_count;
1 R5 ~- h7 y8 O' |0 v - } e2prom_s_cmd;- Z) r7 h( y- \0 W+ \ M
; X- H/ C |0 M6 \" W0 @- #define E2PROM_CMD_READ 1( r9 E" J7 R. W7 J9 T- D
- #define E2PROM_CMD_WRITE 2" g" { ?$ q! @& k* l9 N) H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)1 @0 ^7 \* M9 c6 U
- {
7 r+ c; ^5 {. u( s7 \$ Y5 ^8 I - int fd, ret;
; ~; b" p" \- D0 W% q - e2prom_s_cmd arg;3 u K1 E6 i5 i. @" Q+ q
- unsigned char buf[0x18];4 W' c L5 u+ f8 ~
( h) g; M: a O1 H. s5 f- fd = open(E2PROM_DEVICE, O_RDWR);
0 D2 G- Z* a1 _. T: i - if (fd < 0) {
# ~$ w( ^; q; j% c6 q6 i - printf("Device %s open error.\n", E2PROM_DEVICE);
1 R7 E$ c/ P" v Y - return -1;) V% S: W, F# o3 J* r- |8 f+ @+ [$ c e& ?
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- arg.sub_addr_count = 2;
" V/ c' p, r7 P7 H/ X9 u - arg.data_count = 0x18;; |6 X, U) c1 g4 b2 Q& I3 K' E! u
- arg.e2prom_cmd_sub_addr = 0x290;0 c7 { w6 N( W" z
- arg.e2prom_cmd_data = buf;
7 n, ~) s0 P& A$ D U - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, d/ I0 J$ l$ X9 p7 Z) U - if (ret != 0) {/ u- A. E! `" Z% {6 N/ Z
- printf("Device %s read error.\n", E2PROM_DEVICE);
; s' |, ~5 B9 a$ I8 W+ V5 a - return -1;
4 x q8 ^6 {4 k6 e" i9 o - }
2 t0 O, q, R/ F( A - memcpy(mac, buf, 6);
7 |) G$ G9 o7 R4 l" e - memcpy(stbid, &buf[6], 18);
$ l5 B; T) B4 W' y K4 c - stbid[18] = '\0';3 ]& x3 V/ B5 `1 S# q
2 \6 J6 ^) v7 B# t+ b7 r2 J- return 0;2 \6 C2 s- r3 m; f
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- 6 O/ \, j8 ^% a
- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 N% w+ Y7 T6 A5 z$ G - {
% |$ s' w# J! f5 d4 e8 L9 C - int fd, ret;
2 Y/ J) a. r* p" K - e2prom_s_cmd arg;& Y# l! J0 l+ i+ u; H% g. J
- unsigned char buf[0x18];. m- X5 o4 J D/ V1 \) T3 c1 y& E2 E& U9 C
& x& G' _# Q* s- memcpy(buf, mac, 6);
; V2 C% R+ @; O2 e* F - memcpy(&buf[6], stbid, 18);7 q4 B! [1 ?, J/ N: Y" Y8 N
- fd = open(E2PROM_DEVICE, O_RDWR);% S2 ^* ~1 h: ~' ?0 S# S
- if (fd < 0) {
7 |* e1 ~% T) V, v - printf("Device %s open error.\n", E2PROM_DEVICE);
" k" x$ {$ N n. D: Y3 t - return -1;
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- arg.sub_addr_count = 2;$ Y) w- E P* _8 c
- arg.data_count = 0x18;5 p9 @# H; H; r( q: L9 A+ r
- arg.e2prom_cmd_sub_addr = 0x290;" q$ X0 r# c8 @! f+ X
- arg.e2prom_cmd_data = buf;
* F; D9 Y1 v/ P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% e1 }0 t& C, t" Z
- if (ret != 0) {5 X+ o& x/ r( o/ W# [! d" q
- printf("Device %s write error.\n", E2PROM_DEVICE);
f# C5 U& q8 J) f: u - return -1;" s3 D$ l7 }: l0 g' I
- }
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" B: |0 n& L( u- Q$ J8 b- return 0;
" ^+ R- g- W% Y$ W, E - }
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- int main()0 D$ V, j7 t1 m2 x
- {8 Y/ c! T% I) q' x6 l
- char c;
' ~! y' X$ ~7 y: z6 F! } - int i, macs[6];
% U) t$ x9 F) k& x% {& I - unsigned char mac[6];
U, e1 s$ l* D/ Z - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
; \: [3 [8 g4 | - return 1;
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' S, J# ?( A3 l0 J7 W7 m6 N; k# x% _- printf("Current parameters: \n");) c# D4 r6 T( b" F0 k) v" X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! O' w5 O5 a1 }# x" c - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. Z* q1 j B" b8 X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ w/ B" s( ]/ S" r" K* C/ `( Y' U - printf("Input MAC error\n");" Z9 n5 R6 k1 a( |( [3 a
- return 1;# X J* w r" _" \
- }8 @4 Z) ~/ E; U
- for (i=0; i<6; i++)mac[i] = macs[i];' L6 f" V1 i/ D% C( e% P
- printf("\nPlease input new STBID: ");" A; P3 \, a7 f4 s
- scanf("%s", stbid);' |! R' {, H( g3 F+ U
- if (strlen(stbid) != 18) {
/ |5 W6 p$ F0 u3 k6 A! U - printf("Invalid stbid\n");
8 Y6 R4 e& q' H& e8 a - return 1;
# z3 e1 m6 V2 d' K - }4 ~! \( g* s" i/ Y( p. l$ m
- printf("\nNew parameters: \n");) I& ?* \: r( w% @) `$ I& \8 l% E2 a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& F3 m1 Q4 Q9 s+ V% T6 J! _) Y( K - printf(" STBID: %s\n", stbid);
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- z2 ~; L8 o- H( \" [( t% _- printf("\nDo you want to change paramemters? (y/N) ");
1 c0 i/ T9 K1 B& u# [4 ]# l - for (;;) {8 T3 w; s3 ^ O Z
- c = getchar();: b/ ^6 _2 n& I+ B
- if (c == 'y' || c == 'Y')
4 @* T9 m+ }* N |. ^. A7 U6 q - break;
2 R+ n) V" e2 a, ^8 e - if (c == 'n' || c == 'N') {* H7 a7 \7 T4 {/ ~
- printf("\nAborted.\n");
1 o7 D' \% c* ] B0 z- k; H# e - return 1;% A8 y$ n1 |4 K5 B
- }
7 k2 ^) s0 d& ]6 B2 s' f P - }
. ]" e: q5 V. S t: T$ K0 h( M0 C - if (writeparam(mac, stbid) == 0)
) F/ K" b) x0 V* |) p0 E - printf("Parameters changed.\n");
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2 a7 Y+ u4 H- Y' V* C2 t- return 0;
+ W. e- V* ?) d, N; L - }
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