本帖最后由 0522 于 2012-3-21 23:04 编辑
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: o; _* B/ V+ \修改的代码早有了。到今天不会编译。4 U( I* I0 _3 {; ^: h( T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ ~5 B) Q @6 m9 g - #include <malloc.h>
3 h) g" V2 A) e2 M# f0 R- M( c8 I - #include <sys/types.h>' {; \( W8 d: x$ d
- #include <sys/stat.h>
* u" B c3 j( T: r- M) I8 o+ G, n - #include <sys/ioctl.h>
1 j' P/ i' A( M8 m- W" _/ a; E - #include <stdio.h>* R3 z7 S# M- e
- #include <string.h>
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" J% C# z: X- h9 m7 [- typedef struct {
# A) M& r) p! ~5 K: n" U) M - unsigned int e2prom_cmd_sub_addr;
! u. I8 c& E0 r& h9 Z/ D$ ^$ | - unsigned int sub_addr_count;7 C$ B& m' [+ h. }* m
- unsigned char* e2prom_cmd_data;% f* N8 j1 c8 {3 O, x
- unsigned int data_count;
, j) w' @( @& L5 W ^ - } e2prom_s_cmd;2 w" q @. s; v2 s, z2 ~6 C, w9 G8 i( O
) X; D# [% ]" O! r- #define E2PROM_CMD_READ 1
3 ?& T0 O" |9 O - #define E2PROM_CMD_WRITE 2
+ W& }: T5 |# x2 c- e - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ f) O: b9 Q- ^' s
- {
# Y6 t+ D: t2 C4 X' | - int fd, ret;
, d3 T' f6 F; O7 I - e2prom_s_cmd arg;
3 `+ m) V+ ~8 `. w$ o. I - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 W* R7 z5 z/ B. Y - if (fd < 0) {
! s' o. d# k. n& V+ M$ e7 ` - printf("Device %s open error.\n", E2PROM_DEVICE);8 o% l( j1 ^) ^! Q5 `+ c7 H. O0 R
- return -1;) e; l6 X" _. ]& ?+ w$ O
- }1 u W. S" `4 r2 P% u# A
- arg.sub_addr_count = 2;
. U" J$ Q+ O: p - arg.data_count = 0x18;
* \, \, H! l G" P1 F6 n - arg.e2prom_cmd_sub_addr = 0x290;3 `* {: D a# O# l0 O; ^
- arg.e2prom_cmd_data = buf;) i; k" T" P) a) T3 w
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 O4 d/ E. e! j p! M# ?9 r) h
- if (ret != 0) {
3 b* C- x0 l E8 j/ A2 w! h - printf("Device %s read error.\n", E2PROM_DEVICE);
2 M& E2 U: E" R1 r - return -1;1 e! {+ ^" U3 o! g+ m; f
- }
8 o" L9 {' I" Z3 Q3 b - memcpy(mac, buf, 6);* R- O( I* P' m' ^+ w" P `/ T
- memcpy(stbid, &buf[6], 18);1 q& ~( m& Q9 S% M9 H/ a; K
- stbid[18] = '\0';5 m+ q, l) _, c: K/ m, m8 z. D" Y
4 Y" S. r8 q! I8 x. O" J/ _' c- return 0;
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- 2 L, i3 D- ]8 L& w7 a! o' j. o7 P" f
- static int writeparam(unsigned char *mac, unsigned char *stbid)
. G. F3 u5 b" c9 M* `! U: j - {
" }1 d" r1 c( }1 M# s7 L - int fd, ret;
3 i; G6 U. X' v5 T+ `) S( u - e2prom_s_cmd arg;
( c: e! D; @3 F/ r; e - unsigned char buf[0x18];) L: ^& U" x! U& R; d* D7 z
- % W, X3 e7 Q4 K1 d5 ?$ x
- memcpy(buf, mac, 6);
1 L6 F* s! O5 ^9 L+ v. Q - memcpy(&buf[6], stbid, 18);
( [6 O, D& E* W7 X1 U: `+ R - fd = open(E2PROM_DEVICE, O_RDWR);& c, c. ] r8 [& I+ |% _
- if (fd < 0) {
# o8 z- p$ o) v& Q7 {! c* d - printf("Device %s open error.\n", E2PROM_DEVICE);# {" h' p" r. h0 ]/ [
- return -1;; n" e0 n4 w9 a" V5 u0 k$ R! z
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- arg.sub_addr_count = 2;! W+ {1 i' S3 J8 I- F$ X
- arg.data_count = 0x18;
3 a; s# `8 N9 r8 [+ M - arg.e2prom_cmd_sub_addr = 0x290;
' H9 u, g0 Q+ x4 U - arg.e2prom_cmd_data = buf;
1 G) r' c* h% g! B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 F/ ^4 l7 ?" _2 l4 o - if (ret != 0) {+ W, c0 c; f A: ?- n
- printf("Device %s write error.\n", E2PROM_DEVICE);" P9 A2 M6 u3 O- E; r. J
- return -1;
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9 @! w2 _; w% H# L# B9 [- return 0;
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- int main(): f1 z F1 g @9 \% i X- }$ G+ C
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- char c;
+ m! @; i* ]4 R& L2 R - int i, macs[6];+ }+ f4 G! g; K @' k7 V- n4 u G) m
- unsigned char mac[6];% `- d! g- m$ B9 f* r
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
# m7 v+ _; ~: a* T) ]/ ?2 R) | - return 1;
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: B' `( ]# N2 }# h* u6 K- printf("Current parameters: \n");- r# k; n# s9 T7 T4 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 A9 o9 d* v9 J( Y3 {: d: _
- printf(" STBID: %s\n", stbid);+ j3 ]9 Q5 u. w9 j" s$ D
-
f" T9 o8 i* v) b) D& v$ t* \* a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 [1 E A3 j% |7 d& E. N7 @$ Y- _
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& [, e4 p' K2 Q0 a3 W- \7 b - printf("Input MAC error\n");& _5 j5 \1 J9 P( Q& b2 M
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
& M* ]" I r3 l9 r' C t - printf("\nPlease input new STBID: ");4 T, C7 O9 r) ^9 `" G4 b
- scanf("%s", stbid);
/ I, P' v5 ?& F: f, e - if (strlen(stbid) != 18) {
4 z9 z( @( P' I; A2 p! p - printf("Invalid stbid\n");
* d: K5 d6 s' O B: @ - return 1;
+ j0 ^" Y1 O+ i; [2 z9 c - }
) n# n. ~' `" V n - printf("\nNew parameters: \n");# N3 d" E9 ]3 q9 t2 T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, ^ `# S" B( j! Z
- printf(" STBID: %s\n", stbid);/ m: x( Q% |4 A
/ [9 }7 b; f' w8 ^ |0 b" Q+ Y- printf("\nDo you want to change paramemters? (y/N) ");, t3 q$ P6 z6 B* ?& }0 W
- for (;;) {
6 ? f' a2 }$ S; P8 O3 o4 p8 ~ - c = getchar();
" Q5 k9 E1 ~0 C9 k6 F - if (c == 'y' || c == 'Y')0 m6 W6 k. m! u9 \! {0 r& p
- break;
0 b g! B/ v/ P; \* o! l6 ^ - if (c == 'n' || c == 'N') {2 U# Z f1 @& H7 i1 q3 h) c# p
- printf("\nAborted.\n");
8 U. t9 ~# c( J o: B - return 1;
) O2 D3 U' J \1 W - }
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- if (writeparam(mac, stbid) == 0)
9 k7 N1 O- m' f Y; W( B: E - printf("Parameters changed.\n");
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- return 0;* M8 |! f2 c& j8 V: I! `5 |6 w
- }
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