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。
5 O- l$ j- N- B( f- u需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: R% C& D$ U" f! ~4 t - #include <malloc.h>" F" k2 ^- y; K" o7 e5 s5 @# n
- #include <sys/types.h>+ G0 ?8 {' \ c
- #include <sys/stat.h>
% x K( v4 c$ L# k8 Y4 t9 { - #include <sys/ioctl.h>: }" h& C! d: `9 \: c6 ]5 v% T
- #include <stdio.h>
3 x- t# Y: y7 ]0 o; v - #include <string.h>
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* A6 x* e! b+ q1 p. j2 U- typedef struct {
1 k9 N+ L2 M4 P - unsigned int e2prom_cmd_sub_addr;
- ~' M: h! d6 F# p9 j; ^ - unsigned int sub_addr_count;
0 r: W/ ]$ z% f1 R+ h - unsigned char* e2prom_cmd_data;% n# l o3 a" m
- unsigned int data_count;- ]3 \+ f+ c( _2 n9 s' T% R- J
- } e2prom_s_cmd;6 J. l# U1 U; U3 ~! F+ Y! U
- % V$ F/ [0 h0 g" S( G) F: n+ }
- #define E2PROM_CMD_READ 1. v$ Q% _8 }/ G2 I% F
- #define E2PROM_CMD_WRITE 2* |4 d* f- e0 O+ I6 _! _4 g
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)9 J0 M- |% A9 I* L# O
- {
4 ? o% u2 X" N; g, ^/ d - int fd, ret;3 ?5 J3 H' j* x/ H* Q+ L E
- e2prom_s_cmd arg;
4 j2 p$ S1 v! M& ]2 V0 z! [ - unsigned char buf[0x18];
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, F: w2 s5 `- a, F% _0 D- fd = open(E2PROM_DEVICE, O_RDWR);
! Y# _1 \7 G z* r5 g - if (fd < 0) {! O! |, T* k+ n/ f( I% J
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 u2 v8 o; D' i2 _ H7 H' M - return -1;
+ ]% i# d0 B# m! o - }
( k, ^1 `6 t4 B; e. H% Q - arg.sub_addr_count = 2;; O3 h! B9 h7 y6 V
- arg.data_count = 0x18;% i, L. u. S- l9 e6 m# ~
- arg.e2prom_cmd_sub_addr = 0x290;
% j8 ~' y9 M. } - arg.e2prom_cmd_data = buf;) R4 g' o* l o- d- O& C# M
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( G1 s4 d# O$ w; p
- if (ret != 0) {
; R, [6 a/ q; l7 D8 Z - printf("Device %s read error.\n", E2PROM_DEVICE);; q' j1 `6 o) c1 N! t# H' j
- return -1;7 h O) T; J" @! }
- }
! `) e$ Y! ?' M: l - memcpy(mac, buf, 6);5 d. ]6 v1 a; o! ~
- memcpy(stbid, &buf[6], 18);- A4 ~0 B% s# {2 `8 S Z
- stbid[18] = '\0';6 j R7 o4 k' A; L4 [2 p2 v
- / N) t. \% @, Z+ w1 C5 I, S: U
- return 0;; o& H8 J" F5 d
- }% }! `3 n5 c4 o# m- \& ^
- ! x' h9 x& M& o V, x& C+ ~: V
- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 I. T* s/ y/ D! L1 w. a - {
* T9 k# ~* R, _# |* c - int fd, ret;
* ^0 S' @, A! l* [$ @& L6 H$ f - e2prom_s_cmd arg;
$ |* p8 J% N0 a* v; l - unsigned char buf[0x18];
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. t% F7 ?+ B" }- memcpy(buf, mac, 6);5 X2 v) x7 N& \) ]; Y3 v/ {) N! n
- memcpy(&buf[6], stbid, 18);
& g, P- u/ p$ ^6 T - fd = open(E2PROM_DEVICE, O_RDWR);- K$ O( J! d% O3 @
- if (fd < 0) {$ a$ X( M G$ v- N2 B# D" p2 W
- printf("Device %s open error.\n", E2PROM_DEVICE);3 G7 g+ D+ w$ }
- return -1;, {/ H( c3 m* A* y; O
- }/ |$ J* d3 Q' d2 p( K
- arg.sub_addr_count = 2;
, L4 p8 s" _4 {. p5 Y% p) t - arg.data_count = 0x18;
8 x) Z6 M" r8 [5 m* {# |8 o - arg.e2prom_cmd_sub_addr = 0x290;
, J2 [/ c: X6 X7 I) }' i - arg.e2prom_cmd_data = buf;, x7 S# ~( Q/ c/ E5 J% [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) r, H+ z Q; q: a' u - if (ret != 0) {) z* \, _+ Y( O$ \$ g
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 k/ Q3 X: U0 w3 s- h$ J - return -1;1 Q; f4 i; t3 S/ D/ I" Y
- }
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- return 0;* j1 P6 m' V, a9 [
- }. o5 j' o0 @$ x
- * D2 E, S+ W0 b/ ^! `
- int main()9 R) e, H" O5 m# h
- {
) k2 I1 i1 U0 n - char c;
# p' H# z% W5 e, `) p/ Q; Q - int i, macs[6];2 q5 K4 q! F0 k
- unsigned char mac[6];
# I) q6 N' t0 M' j# j" t - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)4 f/ A+ J1 }4 D
- return 1;$ W* |) s7 p7 `- `0 v$ E+ Y
- ' s3 i, j( H6 x0 p) Q1 X P' x2 h4 ]
- printf("Current parameters: \n");
: W5 Q; d! N q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, f% Y. {) L) P! [4 d# \
- printf(" STBID: %s\n", stbid);
$ _& ?* ~/ r7 a( j, A u" F -
& p2 r2 n, O# @: u/ v - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 m& ?2 K: B9 k# T/ E2 X5 C - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* M9 x% G* {- x- l - printf("Input MAC error\n");1 p5 M" X7 d- Q/ R# W' U) w; j
- return 1;) d) c( @+ [, `2 t! w, u" \/ U1 j
- }# }. c. u2 h% L! ?, D
- for (i=0; i<6; i++)mac[i] = macs[i];
1 t. v! e0 x. |1 [ - printf("\nPlease input new STBID: ");4 E4 R2 } o3 t' e
- scanf("%s", stbid);, d7 W0 r7 |2 r1 t1 y$ s' j8 M6 L
- if (strlen(stbid) != 18) {
* R9 c* J/ f5 W* j5 F5 c - printf("Invalid stbid\n");
( p3 i/ w6 P' `1 Q - return 1;
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- printf("\nNew parameters: \n");
. G P" K' N, C8 H+ S3 A# t: {2 ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! s2 U+ f% k' { - printf(" STBID: %s\n", stbid);
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& C9 I. G4 g- n- printf("\nDo you want to change paramemters? (y/N) ");' S1 Z% c. C7 N R
- for (;;) {
3 M' N+ h5 C4 k& e. | - c = getchar();% B( ?0 u7 i% H0 f+ r
- if (c == 'y' || c == 'Y')( I. C/ S5 j; I
- break;
: G/ I" O$ O. c% C: Y: Q9 | - if (c == 'n' || c == 'N') {
1 K- q3 ?# L! h% P _ - printf("\nAborted.\n");
, o. A2 K) ^+ d2 i* T - return 1;
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- }
* u/ k: D. u$ D4 {! O: |# I - if (writeparam(mac, stbid) == 0)
4 `, ^7 v' i- _# h0 [6 g, w! | - printf("Parameters changed.\n");
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- return 0;
/ Z) v5 G$ M- }5 G; }# L - }
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