本帖最后由 0522 于 2012-3-21 23:04 编辑 $ i$ }! }' ?- N* k
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修改的代码早有了。到今天不会编译。
' a3 R5 ~+ G) a2 ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 z& ]6 c5 Y# r) u2 N - #include <malloc.h>1 ^+ ]( `- [' F3 k4 o8 d W
- #include <sys/types.h>
5 e- B$ O6 S' U) z _- F5 j6 a - #include <sys/stat.h>
5 w5 g: C. i' [* U7 {! Q: q6 q - #include <sys/ioctl.h>
0 s" g' M$ k; C- [ X9 ] - #include <stdio.h>1 K4 F5 w/ u3 ^0 \; Q
- #include <string.h>. v, y1 n" O# B; z
- 0 B+ L) Q2 Y. e
- typedef struct {9 _- _$ A6 Y$ B) g: O3 F& c0 K
- unsigned int e2prom_cmd_sub_addr;
) z& `/ B+ p$ k8 k4 { - unsigned int sub_addr_count; t1 a5 W8 `2 C ]. [9 S, M) I
- unsigned char* e2prom_cmd_data;
9 o" c$ y1 j, s6 d" N; F' t - unsigned int data_count;$ B, s& @8 w! b" X6 _# v
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
. b" n4 n% H7 J& |0 ^# J& V; W - #define E2PROM_CMD_WRITE 2/ q: u! {% y9 K" u7 F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# a* G0 V3 k% I2 T; u: H
6 J& x: R/ d9 _/ z, t+ ~- static int readparam(unsigned char *mac, unsigned char *stbid)7 q1 b B# X! b4 J) h4 R. X
- {8 a9 O+ Q, M0 [, a& I- E! ]
- int fd, ret;
4 w S% c2 W$ ` - e2prom_s_cmd arg;1 c. M) _9 Q- z' B; L
- unsigned char buf[0x18];6 V" C/ A: q* s: c0 \/ v5 u/ B
, s9 Z. f( F. P- fd = open(E2PROM_DEVICE, O_RDWR);
9 m# e/ o& ~$ S7 Y- d( W - if (fd < 0) {' T: T# l$ U6 \/ o4 j
- printf("Device %s open error.\n", E2PROM_DEVICE);. |+ ]7 o: E3 o2 Y2 I- p/ L
- return -1;
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- arg.sub_addr_count = 2;
' P+ y( G, C; |+ h2 |4 L - arg.data_count = 0x18;% _) D% v+ h$ N: }% C' P
- arg.e2prom_cmd_sub_addr = 0x290;
6 i' r% O9 Q" _" r4 F3 b$ h k - arg.e2prom_cmd_data = buf;) J$ @$ ? B4 n( Y; j! r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* r3 W+ M _, t
- if (ret != 0) {
7 u o$ \+ f( B8 M* _3 b1 \2 { - printf("Device %s read error.\n", E2PROM_DEVICE);) Z! _! y8 `" }/ d
- return -1;
2 G3 V+ h! V, w# G- Y) A - }
3 V6 Z k5 L4 a; o: R* C - memcpy(mac, buf, 6);
: @! {. _7 T# _. w! }% y1 _! T - memcpy(stbid, &buf[6], 18);
" f( Q8 g( i2 f, x- @ - stbid[18] = '\0';
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- return 0;/ _. _6 {: A& c6 v2 O+ i
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- t. \5 ~2 M4 z- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
) o' o1 t/ O+ |/ O; D - e2prom_s_cmd arg;
8 D$ V, C) c$ t* S4 A - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);1 E, V8 g* N( u+ m, o' ~/ B! z
- memcpy(&buf[6], stbid, 18);
1 @/ V/ J s# h: o - fd = open(E2PROM_DEVICE, O_RDWR);
1 F0 k5 h7 M! y! ^+ K- g; L; G0 ] - if (fd < 0) {# Q/ ~& s) S% A$ J( ^+ w
- printf("Device %s open error.\n", E2PROM_DEVICE);: y! X; w1 P' z0 A7 I
- return -1;( p% p7 p( J y# R L1 e
- }9 f8 x) G( u! a, X; N
- arg.sub_addr_count = 2;7 c G6 ~5 D& {$ O) }+ r. t
- arg.data_count = 0x18;+ p( `8 s1 G) `
- arg.e2prom_cmd_sub_addr = 0x290;0 E% m0 \) s1 A
- arg.e2prom_cmd_data = buf;8 c% o% P/ G, M
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& @; }# h8 ?* A# K2 n - if (ret != 0) {
" g. f2 a1 ?1 w2 A- [+ t: @ - printf("Device %s write error.\n", E2PROM_DEVICE);( h8 o c/ E3 q
- return -1;2 B! s$ o$ a& ~1 U
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- return 0;8 n0 Q# _7 e8 y0 K- g% Z$ p
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- $ S: d. d; o2 ?( l/ p3 l) |4 o
- int main()
0 o% r7 Y4 Z" i4 I6 Y3 V3 V0 F a - {
9 e" [* E4 i( z" b - char c;
; w' {8 k0 t. U- L - int i, macs[6];' W1 J l) K" x. p# u9 q
- unsigned char mac[6];
; ]; z; y. S! E+ f4 j l. w. [ - unsigned char stbid[256];; N/ `" }. f. f5 ^
" s5 |3 e. o' v$ Q1 h6 Q7 ]1 `" t- if (readparam(mac, stbid) < 0)4 ^8 E% A7 a4 ?% L. [
- return 1;
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" h. l+ f5 y8 z- printf("Current parameters: \n");$ F. Z6 F7 Y, U4 R U' `+ K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 c1 d% p( r' a: H/ f* q. k - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 _' h- ] b. |& _/ a& \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 i7 T3 r* O+ m" C
- printf("Input MAC error\n");
4 e q( e; m' X' r - return 1;8 L1 n1 k1 N3 l: \
- }3 Z$ ^, a w2 R. p
- for (i=0; i<6; i++)mac[i] = macs[i];
! ]& F3 F, Y. `. L+ t6 L" @9 q - printf("\nPlease input new STBID: ");
3 w+ Z m( \9 v E+ ] - scanf("%s", stbid);
. H$ c: Q- z7 o, g8 D - if (strlen(stbid) != 18) {
' z. v+ Q# F! \- ]2 U - printf("Invalid stbid\n");
& C" i4 V* B+ k4 b) @/ U9 ? - return 1;
1 r( U0 I9 f% A7 j0 w7 s4 _ - }
1 [9 N( b3 b- G: A Z: L - printf("\nNew parameters: \n");7 V; ~) h" C1 {4 U. Y8 d9 i. g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ ]- e" |! Q7 q. j0 b* B - printf(" STBID: %s\n", stbid);7 H; r7 ^+ I' l' ~: t5 s+ V6 I
- / b8 X$ ~. u5 r7 j
- printf("\nDo you want to change paramemters? (y/N) ");/ L, o- A" f# J6 K
- for (;;) {
: p5 X1 Y4 F7 D! U - c = getchar();
, S" \, n* |' G" A! z - if (c == 'y' || c == 'Y')
2 c8 \9 v) E% d3 D# J - break;
2 p9 @' m1 j, `& b. N - if (c == 'n' || c == 'N') {
& p, J) B% `- X9 t H - printf("\nAborted.\n");( ?3 t' ~5 M/ f' p, d0 V ?
- return 1;& T. J' }! L) s# o0 U
- }( |6 ?5 g' d- M+ T, d$ q) A7 y- W1 D
- }" }4 a6 i- a/ Q* w3 ?; @
- if (writeparam(mac, stbid) == 0)
+ p1 d) o5 D6 m6 y: l O5 f4 P! B. J - printf("Parameters changed.\n");
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- return 0;/ Z0 ?' Q! D; k
- }
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