本帖最后由 0522 于 2012-3-21 23:04 编辑 ( @+ L( n# E& `, J$ H5 x9 o5 H1 j
; Y3 d9 X/ h( x- V. a4 q# o修改的代码早有了。到今天不会编译。% n' ]( D) c1 @
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' p& L9 g( j2 [1 t/ p v: ]' l6 p9 N
- #include <malloc.h>9 D% y$ ^- l: d9 E( _1 b
- #include <sys/types.h>
! u. g2 {- V* _8 E, Z& H' J L3 x( C - #include <sys/stat.h>
_! a9 F3 l2 Z' O7 O6 ? - #include <sys/ioctl.h>
7 ]% H% d$ S: ^" w+ i! ? - #include <stdio.h>9 M4 r# f; U d) i
- #include <string.h>
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- typedef struct {. ~/ ], z9 W) `% C3 |7 Z
- unsigned int e2prom_cmd_sub_addr;2 W2 N$ }# b7 {* P# |* m- s; q
- unsigned int sub_addr_count;
5 P5 h4 x2 O1 g- F8 o. V$ f1 F - unsigned char* e2prom_cmd_data;) N0 u+ ^' Q) \/ u/ b) [' \
- unsigned int data_count;% v/ B& d" q) w( I l
- } e2prom_s_cmd;
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* z h9 D! A6 O7 Y( C" D! A6 A, L- #define E2PROM_CMD_READ 1; ~( y8 m8 P. `' j( J
- #define E2PROM_CMD_WRITE 28 J0 y( B$ {0 k( k% }9 t4 K
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid), L- f1 d! V$ r, j" p0 c
- {
( n R3 S4 m0 O, Q4 X/ x' m9 g - int fd, ret;9 B& ~: G. b, m) \2 }# g
- e2prom_s_cmd arg;
+ {% k. Z' B) V* h4 j+ C+ G4 R - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 z3 I+ h' T! N# r. y3 U) M! f9 ~3 \ - if (fd < 0) {
8 v3 o# F4 X2 m. w" | - printf("Device %s open error.\n", E2PROM_DEVICE);5 a; _+ q, E# k8 h) W$ n
- return -1;
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- arg.sub_addr_count = 2;8 {# F: u! n% c& ?1 S
- arg.data_count = 0x18;: ~! d( ]' Y/ |7 A* y+ ^
- arg.e2prom_cmd_sub_addr = 0x290;
# j3 ^: ]2 I/ n - arg.e2prom_cmd_data = buf;
; S: U7 G4 W% x2 |# j3 o( Q9 L) ~, w - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) t, }! l' X+ C* @5 Z* }* O
- if (ret != 0) {
8 ]9 u0 C; s5 L c$ y; `, _4 S& h' S - printf("Device %s read error.\n", E2PROM_DEVICE);# n/ z7 z+ `2 f( R/ `2 I8 I/ O; K
- return -1;
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- memcpy(mac, buf, 6);$ U9 ~" ]' g0 \5 e: k, i+ X e
- memcpy(stbid, &buf[6], 18);
0 X7 L! T( m$ ?/ {& Q% N H4 e6 i$ r - stbid[18] = '\0';
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- return 0;
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0 \/ i7 G9 o. `9 y b2 j- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;" Y# y. ?3 E% o
- e2prom_s_cmd arg;' ] o5 p( ]9 m w7 w' c
- unsigned char buf[0x18];$ o E$ n. z: j/ s- n
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- memcpy(buf, mac, 6);
' O' A C* G, }! E- B8 w; u3 \ - memcpy(&buf[6], stbid, 18);
- c+ X& I/ y" Z0 I - fd = open(E2PROM_DEVICE, O_RDWR);
6 G4 H5 I( ]0 C/ I4 [( T - if (fd < 0) {
; Y' K8 T R7 W3 Q+ J - printf("Device %s open error.\n", E2PROM_DEVICE);
/ Q& S" }1 O4 X1 M! ` - return -1; q5 @( d) V% A' N5 P
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- arg.sub_addr_count = 2;; A: S. \5 l) g/ b
- arg.data_count = 0x18;
) \" _+ B. q3 }* T4 Q - arg.e2prom_cmd_sub_addr = 0x290;
" U- Y+ x9 I' P7 g0 C - arg.e2prom_cmd_data = buf; U- J1 I0 D+ C
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* B2 k. F* o% c. G - if (ret != 0) {/ v1 M) l& P; H; n
- printf("Device %s write error.\n", E2PROM_DEVICE);+ s6 y7 R) {5 M" o Z4 e" }/ t
- return -1;
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- return 0;
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- int main()( L& o* e0 U4 F6 I Q
- {( m, _ L0 _. c$ T4 N/ a
- char c;
/ o4 U) o6 i Y1 F% i X' B, X - int i, macs[6];4 b% i$ X- {/ {9 h
- unsigned char mac[6];
* p) D/ V( K' { - unsigned char stbid[256];
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0 l% Z- @3 ~& ~; g0 L4 s! [- if (readparam(mac, stbid) < 0)
+ L; {2 S: v6 d; o - return 1;
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- printf("Current parameters: \n");) S4 I. e$ C% U. c+ S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! i6 T8 a9 s, x+ H' E9 v, U4 |& A( d
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 L. `% M7 I. ^# w6 I/ I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 }$ x: S" ~ Q5 P$ s3 B
- printf("Input MAC error\n");
5 ]9 T. R6 }& M+ D - return 1;2 L' N V/ p- o5 z1 @) F
- }
3 K3 r$ u# c; R+ U4 e7 R - for (i=0; i<6; i++)mac[i] = macs[i];# K$ \5 r( [& x1 W7 n: D
- printf("\nPlease input new STBID: ");
1 \# I, F+ o, o1 L - scanf("%s", stbid);0 V `0 e! A) u4 J
- if (strlen(stbid) != 18) {
% S7 R5 [1 T8 p: M6 U/ k - printf("Invalid stbid\n");
' V( U1 v; X8 d! F" ~' E4 W- D - return 1;! R3 Q* y( {$ Q: ?
- }
9 x8 F8 N/ I' L7 g" D5 b - printf("\nNew parameters: \n");+ c4 a/ ~# X; g2 E! S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 N. |" ?% p: o* ~4 O6 |& N - printf(" STBID: %s\n", stbid);) o5 \6 z' b" A( t" p
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- printf("\nDo you want to change paramemters? (y/N) ");& [9 j9 u: X2 E
- for (;;) {+ G. u3 i' ]2 X1 v" s$ T% z8 Z; }
- c = getchar();
) h- e+ L# v' g+ O0 c - if (c == 'y' || c == 'Y')
+ D. P- c/ C+ t, ?3 c - break;
) D4 b5 _" S4 x0 _* s$ l1 K - if (c == 'n' || c == 'N') {
. f7 v$ b! r* c6 N5 P; v7 Z - printf("\nAborted.\n");; `5 H9 V. E- K& z3 S
- return 1;
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- }
$ C3 K/ d) U8 L - if (writeparam(mac, stbid) == 0) 2 i: k3 o1 i$ C7 y7 h( X) J
- printf("Parameters changed.\n");! B; r6 n( c4 ?, Y$ c
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- return 0;
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