本帖最后由 0522 于 2012-3-21 23:04 编辑
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( Y+ `0 T1 v1 o7 |" H' D' Z修改的代码早有了。到今天不会编译。- q! R. `5 Q2 C+ T% u/ Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ u) Y) o2 S1 m - #include <malloc.h>3 h7 s0 {" }# v' P0 K% I
- #include <sys/types.h>" Z K- W, B. P
- #include <sys/stat.h>
8 a! g# G- P: N9 z7 a I8 l+ J' b - #include <sys/ioctl.h>. c. x0 L; J/ N9 p$ D$ W# z0 @
- #include <stdio.h>
# h) m" \4 e1 }8 q; Z; x, U3 h! ? - #include <string.h>& j4 D8 {1 p: Z% r
- 1 L# ~" Z3 H. ?. s( ~
- typedef struct {$ S$ N- |; `: ^" d h
- unsigned int e2prom_cmd_sub_addr;, T- a: y" i( ]) w1 m, t
- unsigned int sub_addr_count;. P9 V" Z% H$ X
- unsigned char* e2prom_cmd_data;
$ f1 o: K! q7 ]' K+ R3 l3 T - unsigned int data_count;
" m: D, N. f4 \5 d - } e2prom_s_cmd;
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% B% e6 ^7 @1 A3 \5 {- #define E2PROM_CMD_READ 1
6 N. e1 K8 d7 D$ ^1 N* O; q1 W W - #define E2PROM_CMD_WRITE 2
) T+ t- P& c1 a6 f: P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# S4 t- g. p0 p8 N7 u- A
- ; X$ p: l; X2 z B
- static int readparam(unsigned char *mac, unsigned char *stbid); @# N) x0 _) {- k" q
- {
! M& W- ]: N6 H: J0 U3 P6 r9 d0 V - int fd, ret;
- R. _* d& j4 H - e2prom_s_cmd arg;
$ f4 E8 @) n4 p6 `. y - unsigned char buf[0x18];" g# q8 I/ A! q& U5 m" e& z* [1 m
8 d$ f: M/ `; c* Y- fd = open(E2PROM_DEVICE, O_RDWR);
0 v* {) B9 v& o: J6 o r3 [0 @) y - if (fd < 0) {% b! R1 v' \- z+ E7 j; }) J$ H
- printf("Device %s open error.\n", E2PROM_DEVICE);
) M6 x$ V% s: q d7 z6 n - return -1;
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- arg.sub_addr_count = 2;
: ]5 s8 `! q, c - arg.data_count = 0x18;' p1 F' l4 d* n7 a; B
- arg.e2prom_cmd_sub_addr = 0x290;
1 ?# P+ m7 k* h& I - arg.e2prom_cmd_data = buf;$ q) ?/ ]7 Z0 v: m8 [
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
C. u) m1 c9 }4 i" l# U% a - if (ret != 0) {& u, h: k8 X, K6 h- ]
- printf("Device %s read error.\n", E2PROM_DEVICE);
0 M4 R9 }& D% e' w, Y+ F - return -1;
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, s, V6 R$ z. k4 i/ | - memcpy(mac, buf, 6);; A( e) H9 m; F
- memcpy(stbid, &buf[6], 18);' s0 d; j1 ]* c% E$ ?7 o+ d
- stbid[18] = '\0';
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! o& e; z2 \; e* a( {- return 0;
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% |6 o+ M; Y8 A/ z `: c- static int writeparam(unsigned char *mac, unsigned char *stbid)- z+ V5 m |7 ]5 B
- {: T9 {/ f, D6 R" I3 c1 h% I, t
- int fd, ret;
' ?1 Y- g7 `* a% N) s; O5 _1 e - e2prom_s_cmd arg;
; Q( B0 _' _8 G0 M. v# F - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
6 `6 q; o/ c. }4 A4 p4 k* g - memcpy(&buf[6], stbid, 18);7 L# e7 A/ ^8 x
- fd = open(E2PROM_DEVICE, O_RDWR);' h& P4 W3 }' d P7 g9 A
- if (fd < 0) {
% B% r! P7 {) M' I& k - printf("Device %s open error.\n", E2PROM_DEVICE);
n" G5 H5 M6 [+ N - return -1;
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- arg.sub_addr_count = 2;
4 k I, K7 m* k3 O" E9 m1 \ - arg.data_count = 0x18; t& K( T4 ]7 n. L
- arg.e2prom_cmd_sub_addr = 0x290;
) c t( N3 L' ^; R/ x - arg.e2prom_cmd_data = buf;
. j9 R8 r. k1 k6 E% _' q* ~ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 c2 R/ Y( W( | F& s; @* _. W - if (ret != 0) {
8 t: @; ?. j' J$ P8 [2 t# `& U! T ? - printf("Device %s write error.\n", E2PROM_DEVICE);4 T+ g6 V" L2 L# c$ `: |
- return -1;
& g- E7 U% x3 U' m% C a# I - }
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- return 0;
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- int main()- [6 Z6 G" g- {* [3 u& U
- {
" @+ C% l7 h9 K) ?/ z6 N - char c;9 K7 ^& Q6 d; W
- int i, macs[6];# }$ o0 j0 K/ m/ c5 ]2 I
- unsigned char mac[6]; t3 G) w0 l& e) k
- unsigned char stbid[256];7 }' K! V. w6 \
. H( a+ H9 R# ~# ?- if (readparam(mac, stbid) < 0)
$ b0 C) d, S. V' o+ X( j% \ - return 1;
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- printf("Current parameters: \n");2 z$ z' j2 L# S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" [ B/ `( Z$ @' o0 ]) I
- printf(" STBID: %s\n", stbid);
# z7 }5 r. r# [% C - / T; X& F. D% Q# k0 d
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. p( S* n7 k1 z( Q6 T3 ^& L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! G7 g5 e" Q+ j" |9 K& ]$ G - printf("Input MAC error\n");: U5 k6 V, w8 c; Y; e( n
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];, G! ^ R% P5 G
- printf("\nPlease input new STBID: ");
! |$ H3 n0 _8 z$ P" E( c3 ]9 { - scanf("%s", stbid);
8 w% K& G a0 j E - if (strlen(stbid) != 18) {1 z, ?* M: t/ ~0 X9 x# ?1 p
- printf("Invalid stbid\n");
+ x; X4 L1 `0 [( e( L - return 1;0 u+ b+ r# C: l. p
- }7 Y0 S6 `1 T0 Y: V7 A' b
- printf("\nNew parameters: \n");3 l1 Z# U6 Y f# U) J; h& S4 F6 ] `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: d! e2 S! `0 ~8 y5 ^% J6 z+ F. z
- printf(" STBID: %s\n", stbid);
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6 L" {9 f0 C9 J* D% u x- printf("\nDo you want to change paramemters? (y/N) ");
a) f0 u7 U/ [% i5 k - for (;;) {
; s2 j. l5 q+ H; R% ^. ]# K; g - c = getchar();
0 V7 J6 b- v5 u" D( [( e - if (c == 'y' || c == 'Y')# C1 p6 e0 n3 c- t
- break;0 O& z/ `- w# y0 z; C
- if (c == 'n' || c == 'N') {, j! ~- q3 ]( c' G# ?
- printf("\nAborted.\n");
3 U* B% X2 k3 @ - return 1;, U! ?. V8 q% _) R% m
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- }
* C2 x" B3 U* U) t' ] - if (writeparam(mac, stbid) == 0)
- W/ f& A7 z* k$ j! q. U4 X - printf("Parameters changed.\n");6 d- V c# c( o4 o+ Q3 n
- % x% ^7 |' p$ H1 M) [4 Z
- return 0;
9 C, U+ A7 @# U - }
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