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。/ [' O$ J B5 \6 S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. [) k# h/ `4 ?% N. O2 G
- #include <malloc.h>
: L4 A& r, r! l2 E - #include <sys/types.h>
9 G- ~' {; y) K8 l6 J - #include <sys/stat.h>; ?: l& S" p& s- o+ X/ C# m
- #include <sys/ioctl.h>
7 q& l% d8 e% p2 d2 }) t2 D. y) ^5 o% V - #include <stdio.h>
; q$ x7 R0 B: C! J - #include <string.h>
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& H* o# v0 M0 S. n8 G- typedef struct {" A: p9 {2 j- s! d" p7 ~
- unsigned int e2prom_cmd_sub_addr;
) u' ?2 X, f+ r! |) m - unsigned int sub_addr_count;
% Y z( H+ O$ D$ B. n# N0 x( P - unsigned char* e2prom_cmd_data;
/ z. d2 I# T* s, T# m - unsigned int data_count;
; v5 j- C5 d- q9 b+ X - } e2prom_s_cmd;
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$ C+ A5 H9 w* w6 g: u, w- #define E2PROM_CMD_READ 1
, W& l9 k7 N! k - #define E2PROM_CMD_WRITE 21 s! O% o2 Z) e2 h$ m0 a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
/ t. K, P5 @( B7 `+ h3 Z/ [ - # y/ w! m5 ~* x% Q6 a
- static int readparam(unsigned char *mac, unsigned char *stbid): B$ k: ^+ ]( g& Z$ j. N0 n
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- int fd, ret;, X* j) K9 j8 O0 G: Z
- e2prom_s_cmd arg;4 P% n7 x* q J# e( j
- unsigned char buf[0x18];+ V) f1 Y9 p; W& O! b" h; [" I8 v
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- fd = open(E2PROM_DEVICE, O_RDWR);& `1 Q: S. i8 t$ Q/ z7 _+ S0 P
- if (fd < 0) {: i3 G5 L0 B$ {3 F' g7 n8 E% s
- printf("Device %s open error.\n", E2PROM_DEVICE);# t/ w: T! K5 M: l
- return -1;7 p4 `3 q6 B1 ]
- }
. v9 y1 ^+ d% \ - arg.sub_addr_count = 2;$ b2 w* Z9 x& |
- arg.data_count = 0x18;- n! Z' ]. x* g% r$ F% L2 d% H% Y
- arg.e2prom_cmd_sub_addr = 0x290;
1 g/ g" l4 r' F- O" V( u - arg.e2prom_cmd_data = buf;6 K9 _8 e7 e- f( {3 Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 f$ U6 x$ Y2 {3 l
- if (ret != 0) {
% a1 }0 e. Q) z; G% _& ? - printf("Device %s read error.\n", E2PROM_DEVICE);
- ~. Y9 w7 {, c, I% }% C) ~ - return -1;( r' Y" c1 @( D) Q
- }
! |: o* h+ k+ @7 Y% i, r - memcpy(mac, buf, 6);
1 [2 G* I+ H2 ?3 p - memcpy(stbid, &buf[6], 18);" m8 n. I; O' x
- stbid[18] = '\0';5 B" m0 k9 m3 @/ p! y7 j D5 `) S$ [
1 S" g- }$ I+ Q4 {- return 0;" k. u8 V# ^: T5 `2 N' m% ]
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9 @; E% A) Z& I) O( q9 y5 ]" W% m' B- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
" b: p. Y e0 n0 h - e2prom_s_cmd arg;
1 y! U3 {) G- C! Q: F: Q- s - unsigned char buf[0x18];
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% y$ Y$ e4 _: Z- memcpy(buf, mac, 6);; l+ \! W6 [" R( e. ~- {# d7 I, G
- memcpy(&buf[6], stbid, 18);
; [7 M! t0 K& Y) ] - fd = open(E2PROM_DEVICE, O_RDWR);! T; k& }7 D J% _: L8 X) X
- if (fd < 0) {4 J. Q4 N% H/ ?- o% n
- printf("Device %s open error.\n", E2PROM_DEVICE);, `' h. g" C6 v1 d; Q9 h
- return -1;) e0 W9 h/ i; l# C6 l s2 E
- }
! C/ g5 w8 p7 z/ g5 d5 c - arg.sub_addr_count = 2;& z+ v$ H! E3 t0 n
- arg.data_count = 0x18;* g; S: Z# B0 W P: T% {
- arg.e2prom_cmd_sub_addr = 0x290;/ z ]8 j6 ~, V# h3 ~
- arg.e2prom_cmd_data = buf;: J* V* {) x# p2 l* p3 d7 `* k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 ]( ^6 k4 k- ]4 _7 j) ~* w
- if (ret != 0) {
% ~+ k0 r a! S R* t+ i" G - printf("Device %s write error.\n", E2PROM_DEVICE);6 ?5 `- ~# h9 ]
- return -1;, x- @/ X; Z* c4 l+ C1 O5 _
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- return 0;* x* @3 H+ u3 ~, X
- }
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- int main()- j$ F& |9 O8 f2 m5 [, x( M y
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- char c;( z# Q! U, c5 z6 [
- int i, macs[6];
; G# Q: M. X: y: V7 t& L - unsigned char mac[6];
" u, |+ f) n9 R9 e% b0 }$ { - unsigned char stbid[256];" x0 h8 q8 u* y$ W; f/ Z. l/ |! L
- Q6 L5 C9 m" J6 J3 D0 T& ]
- if (readparam(mac, stbid) < 0)
6 `6 a2 j5 v9 V& L8 P - return 1;
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2 _6 t0 Z/ N* l {+ m6 S: z/ t8 G! d- printf("Current parameters: \n");
, Y+ `1 m$ _. l. v, b6 C) Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: ?" z1 b) s2 R% y6 Z# J - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. w& a/ i0 Y/ J3 E& c
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. [2 h" k% E- Z1 o! b) r9 d& g2 _ - printf("Input MAC error\n");5 P0 l/ l3 Q! u0 P9 Q
- return 1;
- ~2 V* E( }5 @' j8 T - }7 L j8 \3 E, v- g6 W5 Z' x
- for (i=0; i<6; i++)mac[i] = macs[i];
! U) u9 U! S% F- k6 p& o - printf("\nPlease input new STBID: ");
! z5 M1 S; S+ [/ K+ ~$ V5 r' {$ @! k - scanf("%s", stbid);
* |% W% ]/ U# F$ z# R$ s" T" o - if (strlen(stbid) != 18) {/ r9 g2 ~: e. ]# N6 E6 H
- printf("Invalid stbid\n");
Y3 s: ?4 U4 b9 |) b; u' U8 M7 T - return 1;
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- printf("\nNew parameters: \n");
' `" M) ?" l+ q W2 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 m8 @4 Q. f, P0 N; p
- printf(" STBID: %s\n", stbid);
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# e! ?/ U4 C. ~. X- printf("\nDo you want to change paramemters? (y/N) ");* [, P6 x7 V4 u3 s. M
- for (;;) {2 n" B" d0 }$ Z6 W% ^: G. K. K, F D
- c = getchar();
4 y6 R( o" V1 k S3 A, Y) b2 T - if (c == 'y' || c == 'Y')( @% \ d( C1 r
- break;
2 Y- x: @* i+ M) r# j5 g7 j/ W/ e - if (c == 'n' || c == 'N') {
! `+ ?* e( R7 i. T/ t: D+ }" B& \ - printf("\nAborted.\n");
- n( z$ m3 ?0 ]0 w - return 1;
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- }, \- [3 |4 x( P# z; X
- if (writeparam(mac, stbid) == 0) , h; N+ P2 S1 ^. F# O
- printf("Parameters changed.\n");
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- return 0;7 O1 s" ~. P* L' {: P; r& r
- }
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