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。
# q* u% U) d8 Q; Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 d2 @" j/ F/ w/ w0 P" C; Z - #include <malloc.h>
3 G/ L' W3 f$ b; ?9 z, M - #include <sys/types.h>6 I: ?7 S8 W, T* P* y' V
- #include <sys/stat.h>
: ?0 Q4 e$ S7 J+ B" o7 A3 C - #include <sys/ioctl.h>
+ m+ C, y3 R' O- E+ ]7 D3 x - #include <stdio.h>
6 I3 }# N9 Y8 `# j, ]6 o - #include <string.h>) [: k# N c( } K9 E! ?! s: K
$ B: r+ `3 A9 n- c1 s% I9 R- typedef struct {' n2 T- I7 E: _' n
- unsigned int e2prom_cmd_sub_addr;& T/ I: e6 i; \' _ x/ ]) ?; l
- unsigned int sub_addr_count;
4 `1 y& d2 R8 n9 @( N1 K0 R% G - unsigned char* e2prom_cmd_data;( J7 `1 ^$ s: S) U5 ?
- unsigned int data_count;4 f2 M. p }! c! ^4 h
- } e2prom_s_cmd;
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6 T- u4 `. Q `$ K, |4 H7 T- #define E2PROM_CMD_READ 1* S0 E# S3 i# }3 ]. @+ |; `
- #define E2PROM_CMD_WRITE 2
" @% D {4 v9 q9 R" N2 Q. f& S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid). P6 B7 D1 u& y; q$ o& V
- {' h" n* f2 m6 S; n$ ^
- int fd, ret;
- W; n. v6 E" H: { - e2prom_s_cmd arg;
7 i+ u0 v' ~% p$ A2 N - unsigned char buf[0x18];
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0 b/ ^% T4 l/ V3 j& c: u2 z2 j2 b. I- fd = open(E2PROM_DEVICE, O_RDWR);+ |3 T! |2 l& n
- if (fd < 0) {
0 |. w2 N8 M" S* V; U0 s/ D( f Y( I% ` - printf("Device %s open error.\n", E2PROM_DEVICE);
- U* x; z$ [- W! O; K- f, N - return -1;; X& t! g' n; h! V
- }! j; g1 _1 ?8 a: g. _( i& ^) \
- arg.sub_addr_count = 2;
' a. T( s& o- ` - arg.data_count = 0x18;
" N* |1 J7 E( V% F" o7 g - arg.e2prom_cmd_sub_addr = 0x290;2 v# J& g0 D/ N/ g X
- arg.e2prom_cmd_data = buf;
. c- A( v9 s6 i& _/ M2 W - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( s3 k9 h& X6 ?; m( w R% Z2 c - if (ret != 0) {2 C* T' `' s2 x9 w2 G
- printf("Device %s read error.\n", E2PROM_DEVICE); t% x8 E- w7 D5 Q: c
- return -1;# C- m s, H) ?% X! L% q
- }% |! c" _) @/ X' ?
- memcpy(mac, buf, 6);( y% c. ` V8 ^3 ^* ]: G
- memcpy(stbid, &buf[6], 18);( r4 _) [/ ^9 C3 H% c$ ]
- stbid[18] = '\0';
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- return 0;
; k8 F" [3 z+ } - }
" d! i; ^* w/ n J- ] - 5 P, D3 |& m) e, {
- static int writeparam(unsigned char *mac, unsigned char *stbid): ?: h, g! @/ z. ^7 O7 v" [ Y
- {
+ H. U: k7 ]0 A1 m; p4 @- } - int fd, ret;
% j* n! @1 S q Q. K# p - e2prom_s_cmd arg;
O+ M# ?+ G9 H( @ - unsigned char buf[0x18];
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" `$ n5 l: W" E- p: c/ w- memcpy(buf, mac, 6);# X' ?' s( D H
- memcpy(&buf[6], stbid, 18);
2 `7 n' _7 l+ r2 Q, t1 F, K- E - fd = open(E2PROM_DEVICE, O_RDWR);# n* ]- d( R6 P* F% F% D
- if (fd < 0) {
) f$ [$ @# g( `8 r d& j' M9 O - printf("Device %s open error.\n", E2PROM_DEVICE);2 {! P. [2 T' S0 ^) [ i1 d
- return -1;- Z; U6 c; @ n* `3 F
- }, w7 \2 V5 h1 H9 D) P) L
- arg.sub_addr_count = 2;! a4 d3 u" P) Z
- arg.data_count = 0x18;
4 z1 c+ M1 F8 F! w. O6 N - arg.e2prom_cmd_sub_addr = 0x290;
) N1 Q# N4 L/ o9 M - arg.e2prom_cmd_data = buf;. ~) k# g# K. c& _$ k/ v C
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: r; S. q4 g# T2 D J4 ]
- if (ret != 0) {; A3 I3 Y6 X% b% t% y, S
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 J: B& G% E0 r3 P ` - return -1;# Y/ Z' ]; s% x* d
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- # v2 D7 T+ ?; B5 ~! R3 ?3 R: V6 ]
- return 0;2 J9 C" {1 w0 h: `) K8 f8 m( L* h
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& f; b+ c1 D% i2 m- int main()5 J# }; j9 Y0 C% ]0 u$ G0 ]
- {
7 \9 M2 n3 m. X( @0 J% Q - char c;' A- a4 m0 i% h m5 T4 Z
- int i, macs[6];
) [0 f7 ?5 G; j4 p3 G: R0 C/ ? - unsigned char mac[6];
\8 t4 Y p8 u6 a& P+ J) U ]+ y! f - unsigned char stbid[256];2 J' d, S* ^6 h
- ) N3 I$ U* l* B4 k8 v& G: p: E+ I) R
- if (readparam(mac, stbid) < 0)9 ^' Z" T5 ^$ V. {+ M! d
- return 1; K! j0 _ {+ w! O8 p: Q
- 9 f% w, I* b: q: L9 Q2 N5 u- Q' ]
- printf("Current parameters: \n");
* s v! h; R4 i$ \* W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% D( S: A/ w" ?( ]
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- m9 s9 ^2 p# _+ M( ^* A. g8 b3 W, R - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 d: u$ p' T* q3 V0 Y: ^ - printf("Input MAC error\n");
0 W: p' I6 E; N1 W( B5 L3 i - return 1;& p% m- q0 e! t: V4 Y8 P9 N; [/ s
- }1 C7 L$ e8 X1 ?
- for (i=0; i<6; i++)mac[i] = macs[i];
+ N) }7 s4 q/ Q5 k& \ - printf("\nPlease input new STBID: ");
- v2 ]% _5 p! u" Y - scanf("%s", stbid);
/ V5 L5 L/ F% J5 u2 y7 {+ _ - if (strlen(stbid) != 18) {8 B% |: i4 C' k/ R0 s& n
- printf("Invalid stbid\n");$ E* N: |, c4 F9 h/ f
- return 1;. b6 i; ~& v3 M- [' J
- }: T: B* t; Y d
- printf("\nNew parameters: \n");+ m h. c0 n1 }2 z, A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: r Y! g9 a/ W; H - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
8 z1 N% E1 m- I: X" X$ Z - for (;;) {
+ ^% \& J2 k" C: b - c = getchar();
9 q F \' A& j - if (c == 'y' || c == 'Y')2 `( m: g& E0 W: `) E1 {+ d* h
- break;
* L$ w. S7 W4 U5 C x3 d6 A8 m - if (c == 'n' || c == 'N') {! b7 \; U7 B0 ?) s1 s
- printf("\nAborted.\n");7 p5 a% r) Y7 H! ` o$ r
- return 1;
4 `9 f- p8 l5 r3 z$ m - }
- L4 Y0 d3 M/ W. k - }3 X5 B8 {7 J! U" w' s6 f
- if (writeparam(mac, stbid) == 0)
6 \ S; ]" k" g/ p - printf("Parameters changed.\n");- B7 o" m* o0 D4 _- t
- d" q1 A5 w1 t) L; }
- return 0;
! R$ b0 H0 g9 z/ M - }
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