本帖最后由 0522 于 2012-3-21 23:04 编辑 : w$ d4 Z$ [# S, k, z* b2 ?$ {
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修改的代码早有了。到今天不会编译。
, t# {# n5 Q ^; ^5 V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" K5 t1 V' S* u, ?$ v C2 h - #include <malloc.h>4 }8 D) s0 O) ^- T) @4 F& N
- #include <sys/types.h>; W2 q* m! j9 O' W% `8 ?, @9 r
- #include <sys/stat.h>
n! e6 n$ [: l, S - #include <sys/ioctl.h>
0 Z8 P/ s3 A+ T9 I* l; ? - #include <stdio.h>6 E9 {3 M1 t9 V- O" O: ^
- #include <string.h>% X( K0 n- i6 q+ @1 F
3 j J5 S. X$ s# k8 O0 M- typedef struct {
% Q) r& C+ H# F% a - unsigned int e2prom_cmd_sub_addr;
2 N6 g# V* F0 s; S+ n7 N6 Q9 r- B+ I - unsigned int sub_addr_count;
7 M4 I. `8 |. m' v - unsigned char* e2prom_cmd_data;
' `+ p2 J+ J2 C0 y - unsigned int data_count;2 P4 D, `6 H: X$ w
- } e2prom_s_cmd;# b# H% v+ k, v' y$ F. Z3 R
6 `# q# A" \% u/ U, d- #define E2PROM_CMD_READ 1 m- M! {' x3 Q8 m9 m2 P
- #define E2PROM_CMD_WRITE 2
9 E0 n. {( C( Y/ j- h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)4 I$ j, }3 R8 V! N! I* O
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- int fd, ret;% G: F i, w/ T: E; W8 O
- e2prom_s_cmd arg;7 P4 m) |7 \. e: W% c/ P4 q% y
- unsigned char buf[0x18];, K: D1 \ l& ?/ K7 a( `+ F5 j' T
- 8 c! t' f4 v- l9 F9 C% A8 Q
- fd = open(E2PROM_DEVICE, O_RDWR);
0 h/ C6 Q! d$ u, L/ a - if (fd < 0) {" S, D) y/ M1 F: l
- printf("Device %s open error.\n", E2PROM_DEVICE);
& {. z1 x( i* \/ R) m - return -1;
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- arg.sub_addr_count = 2;! J; }) v! p9 \9 `/ A5 U" X- O
- arg.data_count = 0x18;
- S) \8 j1 u( i$ q' T! g - arg.e2prom_cmd_sub_addr = 0x290;/ z7 T+ p, D0 @5 X% Y# I
- arg.e2prom_cmd_data = buf;/ `( I4 x7 g/ I" H( R) x! Y# ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, ~' C: \: X' [+ Q4 J) }
- if (ret != 0) {
; B2 J% y/ O7 j% r! e: e. n - printf("Device %s read error.\n", E2PROM_DEVICE);$ S7 x6 I/ k0 M+ j! N8 c
- return -1;
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- memcpy(mac, buf, 6);
5 R4 }$ ~% T& U - memcpy(stbid, &buf[6], 18);& H; X9 K8 ~) `5 w4 J# S$ `" b# m7 }
- stbid[18] = '\0';; N5 @ e1 p5 o+ b" H- ^8 j
- $ o* G' R/ J# ?& V1 A; Z
- return 0;
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9 U& ?) }2 N. A8 K/ s; o4 m- static int writeparam(unsigned char *mac, unsigned char *stbid)
& `. h3 c* E- @) h- b - {
, N( Z3 w% b7 E2 L9 d* Y - int fd, ret;8 @8 |' X2 y8 w2 q1 G4 m0 ]
- e2prom_s_cmd arg;2 X! L f+ J1 s
- unsigned char buf[0x18];) s, |: v& a7 e
- 9 ^: U, k5 x2 w8 _) H: S H1 p
- memcpy(buf, mac, 6);
* \) Q: e( t% S7 i - memcpy(&buf[6], stbid, 18);
, O. R: X( C' j# W/ _$ M9 M - fd = open(E2PROM_DEVICE, O_RDWR);: }8 R# o+ z1 }/ _, ~/ L
- if (fd < 0) {
& z5 v( X$ s2 {0 v+ }7 Z5 { - printf("Device %s open error.\n", E2PROM_DEVICE);6 ]# U1 W9 R% S) f# Y% Y
- return -1;' T# {4 \( f: o: l7 o, ?# Q: O
- }
/ b' X! z6 Q/ Y# j* b - arg.sub_addr_count = 2;! b* F0 i& F0 B& p
- arg.data_count = 0x18;; }# j/ q8 B4 B0 o
- arg.e2prom_cmd_sub_addr = 0x290;
5 h- \! F8 c" `& w. X) l - arg.e2prom_cmd_data = buf;4 F- Y) x% ?& K! }# k. v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# y, X4 m7 X# q" ~ - if (ret != 0) {
. Z1 z) \9 v4 v$ A# y - printf("Device %s write error.\n", E2PROM_DEVICE);
: j( d @. u: ^ - return -1;9 \4 z8 ^% E% q V7 f
- }+ H, R! Q$ F4 y: J. t( S# b
- . ~7 f2 z; X5 v1 |) k
- return 0;% v7 S' Z% b) Q6 }/ e* o) ~6 E
- }
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. I0 n, S! J2 e$ d; F0 n+ s4 r- int main()
+ V+ ]6 s4 m; Q6 k4 h- z - {% r ?7 Y. }5 @5 f; C0 Y
- char c;
3 i a) I% W$ p - int i, macs[6];
. ^) } i4 N& ~" }- r0 ~! n - unsigned char mac[6];2 q4 c& C+ m" M8 J9 g* M
- unsigned char stbid[256];7 f0 Z. `" M5 a" e6 M0 l
- # n& C- o" B1 b" v! C7 F9 G, f
- if (readparam(mac, stbid) < 0)7 W$ w: ]6 U- G3 E$ {5 i4 F
- return 1;
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- printf("Current parameters: \n");. x/ M* S r3 a1 ?7 @0 V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 k. e( \- L' y3 @, I) Z w$ W O
- printf(" STBID: %s\n", stbid);& O# k o2 s* ~- z/ M
- % e Z ^% j9 C/ s5 Q/ q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 x, b! ?7 r ^' o d3 M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 ~* ?9 T6 W, K) i8 e7 |8 L1 g
- printf("Input MAC error\n");; u) [# {5 ^! ?6 \; `, V$ ?
- return 1;! u$ U1 j, y$ a* _
- }
8 Z( I* Q# P2 g- K( i" L; X* O - for (i=0; i<6; i++)mac[i] = macs[i];) y2 u9 H8 n) D; u
- printf("\nPlease input new STBID: ");6 `; _1 y/ ~ A9 G6 l
- scanf("%s", stbid);
( u& a# q' A/ S - if (strlen(stbid) != 18) {
) [. `6 Y7 x$ f% E - printf("Invalid stbid\n");- A U$ r) v4 n6 S! H
- return 1;5 |( Q* Q8 g/ [: Y, J: T) Z8 P
- }5 {. @; a" j% ]0 Q6 v% z
- printf("\nNew parameters: \n");+ c+ }! j1 j$ E# r* M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& N& w5 d( K8 J+ W
- printf(" STBID: %s\n", stbid);
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( M/ \/ M& D5 ~! W2 E- printf("\nDo you want to change paramemters? (y/N) ");
4 ^8 \7 J6 X, m6 m g - for (;;) {
5 e& b5 i, X9 v" `; I1 A4 ~ - c = getchar();
' b3 ^) g; p# q - if (c == 'y' || c == 'Y')
# D5 N) {9 l: U* U e - break;
# F2 v K3 F, f$ ]( ^( H - if (c == 'n' || c == 'N') {
$ i: {4 i7 D4 ` - printf("\nAborted.\n");/ k% C5 c" c$ w- ?- {8 M" f
- return 1;
2 }5 E d7 |; v% |; P2 ~" v - }
2 T- H8 R4 E2 W6 f - }
( a! @* n4 K. ^/ @, v - if (writeparam(mac, stbid) == 0)
% i4 d& m) \# d$ S: n6 L - printf("Parameters changed.\n");- \4 `! _9 w; c+ C# [# T0 N
. f+ K/ W t* H- return 0;" m7 Y6 t8 g( s1 H, `
- }
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