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。
4 H9 _, z4 R0 \) W) j- R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> I8 _/ e% p1 A @& A
- #include <malloc.h>
4 h# T- p6 `6 I! [* n! X g# t5 W - #include <sys/types.h>
+ t: b# |8 S" J" {4 j - #include <sys/stat.h> n6 M! W* z0 h3 n, f5 g" h4 l
- #include <sys/ioctl.h>
7 c$ E3 v6 s, L$ P" @# v) n. m - #include <stdio.h>
" K O- A) s) Z+ N& P; H% h - #include <string.h>8 |* q' O& v& K7 U$ W/ I' y
! l, ~+ a* C+ m: Z7 K( j; w8 T- typedef struct {
& c. _6 c( W: A7 @/ m - unsigned int e2prom_cmd_sub_addr;( P. f# m$ h9 Q6 k8 q
- unsigned int sub_addr_count;
3 k L5 ^* ~6 f. e1 U8 l1 w$ q - unsigned char* e2prom_cmd_data;
/ f. i* z0 l; p1 G4 ~0 y - unsigned int data_count;
1 R6 K; d' `0 o A) S7 M - } e2prom_s_cmd;/ O# H# H. w/ D4 m6 U
! l( W/ N9 w$ D# W- #define E2PROM_CMD_READ 1
6 t/ s/ a3 g* M. ~( S- C - #define E2PROM_CMD_WRITE 2
& ?" d, U: @& b) z c$ N- |; `3 D - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 _; t+ M) A4 S$ q& u/ i) Y! A$ M
) m5 C1 P! v1 z r" Y7 p. P- static int readparam(unsigned char *mac, unsigned char *stbid)% i' W+ Q. [7 h6 U
- {( N5 w; c5 R0 ~6 p
- int fd, ret;8 B8 }5 @5 i6 V0 @+ O
- e2prom_s_cmd arg;
0 z& P- b: m, J" z/ M. ^; y K' C, M - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);5 | |2 c- Z, H) x. U8 Q
- if (fd < 0) {- e1 o# u: n8 F, O% y
- printf("Device %s open error.\n", E2PROM_DEVICE);! L: S8 N L+ E0 b5 n& m. f: d
- return -1;
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- arg.sub_addr_count = 2;
. m/ l2 T: y/ o) y8 q n& C - arg.data_count = 0x18;3 S8 A/ d; r3 O6 r/ ^% T: z$ ^2 W
- arg.e2prom_cmd_sub_addr = 0x290;
, S+ M! {/ { A+ K$ T9 k7 U - arg.e2prom_cmd_data = buf;9 g+ `& f1 l7 c8 }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ i3 x1 {' k2 K. w - if (ret != 0) {
0 A9 e9 _+ i% j+ |2 Z0 B7 ` - printf("Device %s read error.\n", E2PROM_DEVICE);- m9 |; B9 r. k% T* l& k
- return -1;* m. V+ s4 U6 v# W
- }* a8 _( \- S% e! u! k8 a
- memcpy(mac, buf, 6); a7 `( O5 p; w
- memcpy(stbid, &buf[6], 18);
5 x5 Z; |0 k9 [* q) e' M1 ~ - stbid[18] = '\0';
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- return 0;" Q ]. }3 `: s. r: f
- } y! P; W" M' U
- + a+ N) V, Y: L7 @* f: H6 [! z
- static int writeparam(unsigned char *mac, unsigned char *stbid)$ F& F* H' c- a
- {
% ]. D/ z2 N- a8 y8 p - int fd, ret;
, k/ y; k/ C" z8 c3 J9 {0 v( ` - e2prom_s_cmd arg;
" U( @9 \ m* S* q* S5 s - unsigned char buf[0x18];7 ?4 ^- B8 f% @3 t2 D9 u9 \
- $ F! ~1 h# O* E! \3 B$ m
- memcpy(buf, mac, 6);
& _" y" o5 v. n$ `5 p - memcpy(&buf[6], stbid, 18);2 C/ l z$ h }( c: O, D0 O- A
- fd = open(E2PROM_DEVICE, O_RDWR);& @( d9 c; H, g/ l
- if (fd < 0) {( U* n. Z$ ?- v0 c4 J
- printf("Device %s open error.\n", E2PROM_DEVICE);' @- [5 F/ d: n
- return -1;
, Z% q1 J. J/ \7 _2 F4 [1 O$ y5 n - }
+ H, j/ a, q) Q* U, X# J0 {/ t - arg.sub_addr_count = 2;7 j4 V9 x& t, u; i7 G
- arg.data_count = 0x18;& h" T! c. r( w0 T, Y: g, D, ?
- arg.e2prom_cmd_sub_addr = 0x290;' {6 m6 K+ R9 c8 ?
- arg.e2prom_cmd_data = buf;
% B% P% T8 X3 M% _1 ? v, J0 U. k2 w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% `: D: W8 `4 b, Q - if (ret != 0) {
% g/ V' L& v7 w - printf("Device %s write error.\n", E2PROM_DEVICE);
( |. m i4 F# r - return -1;
- w! Z9 s" ~0 H3 J - }
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- return 0;
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- - ^, [6 S5 X- d
- int main()
& E% R6 ~& x$ P - {
- c' m& G) e4 U - char c;( m! u! p* q# v
- int i, macs[6];
5 z* Z3 [: [; X) D: ~1 k/ ?& R6 R - unsigned char mac[6];
& |1 i6 N3 d& i- z, y5 U! t - unsigned char stbid[256];* j9 y, U- t2 q* x9 ~
5 Y" k9 `3 A8 \6 h. G- if (readparam(mac, stbid) < 0)! y2 L0 Y, {- z
- return 1;8 R/ p" ]: t8 v8 I9 y; K
+ U) i* V9 z0 z/ x- printf("Current parameters: \n");* y/ r% d$ F: C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 ?6 \& ^: d3 ^ - printf(" STBID: %s\n", stbid);
8 V8 f$ o) k$ @* Q# ], J# Y# V - ! [: m) o ]5 P& i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! M( v4 M! {2 |: J" o& M5 ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, i* Q* G" O5 a- U, n - printf("Input MAC error\n");& t- i' ?' x5 B* X
- return 1;% N8 ?" A: S6 A" \9 I
- }
9 \! R' j5 B& B6 L- E - for (i=0; i<6; i++)mac[i] = macs[i];
" u' Y/ b2 f8 A# f1 f# q7 _$ g: O - printf("\nPlease input new STBID: ");
/ ]' r. K+ P' M7 j - scanf("%s", stbid);
8 ^0 [# y8 R2 ^: B - if (strlen(stbid) != 18) {1 h2 s3 k0 w. F
- printf("Invalid stbid\n");
/ Z1 V A# e' M - return 1;
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- printf("\nNew parameters: \n");: x n6 e* K' M1 i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' r) v# w v. }: A+ V$ ?2 H
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");! l+ \: v3 |7 a, |
- for (;;) {2 z6 S6 Q+ N3 d- d
- c = getchar();" w3 z- D, K7 H* k( w! U8 M8 `% D
- if (c == 'y' || c == 'Y')( j R& S% Z& A
- break;# V9 Q9 E8 P: z- x4 G
- if (c == 'n' || c == 'N') {5 K0 N3 k5 \$ r: O
- printf("\nAborted.\n");. W& X: o% B% _) Z
- return 1;
3 q* u0 c1 [; h @$ B - }
0 D0 Y/ T. M, d4 Z - }
* A6 W8 a/ u, Q# ^ - if (writeparam(mac, stbid) == 0) * T: R* J. h& j+ R! h# \/ F
- printf("Parameters changed.\n");
# y% X5 e0 i6 F) N5 h0 D; D
! D+ ?* [2 G0 t9 R1 z- E- return 0;
% q# H; Y; v' P' |1 o! _ - }
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