本帖最后由 0522 于 2012-3-21 23:04 编辑
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! a9 i4 c; x9 {修改的代码早有了。到今天不会编译。7 L" ]7 W" V9 m2 o' [! S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ h( R+ g6 |: A) ~$ U; | - #include <malloc.h>. X4 K! O( b1 H+ G
- #include <sys/types.h>
( N# \2 W5 E( u$ \1 C- j/ a' E# K - #include <sys/stat.h>" L$ m% ?- B5 n/ I8 w' x3 |& c
- #include <sys/ioctl.h>
( L3 n9 i! s; H' o7 L6 X - #include <stdio.h>
8 L7 D+ b4 ^+ W; ^+ ~% _ - #include <string.h>
+ a2 @' S3 _$ A7 r6 d, C Q3 J7 G( } - 6 M1 g( q9 b; z+ X) F
- typedef struct {! M6 G/ K& |- r
- unsigned int e2prom_cmd_sub_addr;
8 ~0 @# ~% Z( N - unsigned int sub_addr_count;! Z T1 E% w5 E1 w/ B
- unsigned char* e2prom_cmd_data;
! T6 v) j/ h a2 @6 D4 p Y# e% w: r - unsigned int data_count;1 [4 w$ U3 L0 v, Q/ O
- } e2prom_s_cmd;! G" h6 ]/ v' r
- ; q: T( f+ j7 o% r
- #define E2PROM_CMD_READ 15 l# I* U* ^* p5 y) C6 X' g4 F' H
- #define E2PROM_CMD_WRITE 2
- W' \: E" d6 k$ S. _0 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- _' ^2 {% `+ h4 a0 z Z, ^& O$ N- static int readparam(unsigned char *mac, unsigned char *stbid)" f/ z2 A1 D/ V, x. X3 ^
- {% Y$ L2 a, M6 r
- int fd, ret;
! V A. D- \& {! b: t4 E - e2prom_s_cmd arg;
: d/ y" @) C1 F8 `3 j9 T3 `! K$ E - unsigned char buf[0x18];! E" f6 }4 ?- j: X% e3 \/ ^
, _ @# M6 V6 X9 H/ B. E- fd = open(E2PROM_DEVICE, O_RDWR);9 K1 v4 O* M' W: s. l2 X% r+ t
- if (fd < 0) {
4 @) }" `5 y+ A - printf("Device %s open error.\n", E2PROM_DEVICE);
' G, E% ?. Q" U! Q% E3 S - return -1;
5 F8 ? X9 Z5 U' b" I+ Q# e - }
1 U0 t8 b3 W7 j0 W - arg.sub_addr_count = 2;4 g7 X2 c$ H: s. `0 q' O
- arg.data_count = 0x18;/ r+ o& e0 p7 s' k9 C! h# v
- arg.e2prom_cmd_sub_addr = 0x290;6 C7 z$ I8 C: [5 I% P
- arg.e2prom_cmd_data = buf; g, Y8 ]( z/ b& i! L
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* n* G' b% F! _; d v- [" G - if (ret != 0) {
! w4 m" T6 ^1 h2 m2 | - printf("Device %s read error.\n", E2PROM_DEVICE);8 O0 @' D( f5 j
- return -1;
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! ]% t" { h C2 S1 r) Y, Z. T - memcpy(mac, buf, 6);
$ _! x/ T, r& z& u3 `7 O - memcpy(stbid, &buf[6], 18);
& i' U" f' x; s# l6 s8 u3 ] - stbid[18] = '\0';+ B0 ?( G$ A5 N- ? q# @8 A2 }- H
- / A5 }5 }8 K; D( p l }
- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)+ f8 t1 ~: N) E9 u
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- int fd, ret;/ ~$ k7 P) d$ t3 O
- e2prom_s_cmd arg;' z9 r: Z9 {2 u1 k2 k
- unsigned char buf[0x18];9 ~! C3 m, y( W
- $ U6 X1 U/ `- w# ~
- memcpy(buf, mac, 6);
' F3 J% f: J, ]& O B - memcpy(&buf[6], stbid, 18);) G, i% K2 }( ?* E5 u% A( f: D
- fd = open(E2PROM_DEVICE, O_RDWR);
( L8 t* E& S" y# I. f m - if (fd < 0) {, }# I1 J, v! @- ~% j) L" I
- printf("Device %s open error.\n", E2PROM_DEVICE);! K$ Z: M$ R1 ~3 W+ }, G2 O' X
- return -1;5 b, I! t! ~7 y$ T
- }5 Q2 w$ m/ ^/ ^. V) ?" Y
- arg.sub_addr_count = 2;& j [% i/ F2 U
- arg.data_count = 0x18;: W% @. q% B! V5 Z- ]* u+ @
- arg.e2prom_cmd_sub_addr = 0x290;3 g6 [) A* i x1 k
- arg.e2prom_cmd_data = buf;3 }+ W4 `- ]* _5 o+ n2 W9 E
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); K8 L0 D3 \) U. Y! b4 Y
- if (ret != 0) {$ x9 n& \7 e6 W$ l/ Q H: t
- printf("Device %s write error.\n", E2PROM_DEVICE);1 y; Q6 M/ V1 a6 y# @- ]
- return -1;
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- return 0;
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2 ~ e: O9 v+ m% D0 C" G7 k- int main()
' F, l/ }" E. S ?; v3 R. u6 e - {
7 k/ _3 S" A+ s" O3 p6 }9 E - char c;& F: |; }1 c$ Y5 M' h: [5 K
- int i, macs[6];
8 F7 i# ]2 ~) \' P; l5 o - unsigned char mac[6];
& n+ q4 C/ e' y/ U( M - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)' |0 o, f Q2 h! t
- return 1;
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- printf("Current parameters: \n");+ t9 _' W- ^* b. ` W; _9 v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ i6 f8 r3 d3 m; C, U - printf(" STBID: %s\n", stbid);# H- e) ?. W' K* n$ Y
- 0 g7 k9 C3 j. @; a; q5 L2 q7 j
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; V) J( w& ]" y( M ]. w3 e
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% {" K) W8 R1 ]0 c* D' B% f4 Z/ T4 p
- printf("Input MAC error\n");4 ^' b [" I- |/ O; l
- return 1;
* E, Z" S: t4 n) c4 q: S' x0 a" u - }
: B7 m& r8 r$ k6 [0 { - for (i=0; i<6; i++)mac[i] = macs[i];8 k j) ?9 B- Z
- printf("\nPlease input new STBID: ");0 T8 ?0 a5 v8 q
- scanf("%s", stbid);, H2 O, m+ `1 l8 @6 X/ p
- if (strlen(stbid) != 18) {8 V2 ^0 \9 k# \! X1 G1 i
- printf("Invalid stbid\n");( W2 K6 E1 Q6 ^5 T: R6 F8 j
- return 1;- p2 x h( P+ p. [" E
- }" G4 q+ I6 H1 M: S
- printf("\nNew parameters: \n");/ g0 d1 {$ ^: W9 }7 O4 [4 [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! n1 V. C) L+ K - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
1 t, h5 J' I. ]# F+ i' o - for (;;) {' }6 ]0 A d5 J* t
- c = getchar();
5 @9 F& S4 L: ^$ A - if (c == 'y' || c == 'Y')
' X/ C8 o6 t$ l2 g - break;
6 o: y2 c. Z$ H% ] - if (c == 'n' || c == 'N') {
' ~1 `# R) E- i: K0 w - printf("\nAborted.\n");
7 ^$ t! @! _3 @! v9 C i - return 1;: w# f" b8 Y6 F4 c- D$ n- d
- }
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: S% Q$ r6 S w - if (writeparam(mac, stbid) == 0) 3 h- v3 f5 r) u
- printf("Parameters changed.\n");
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- return 0;: m0 J5 M7 Y' t9 a/ s
- }
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