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。% E7 y4 i& ]$ r* @" D. |- g
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 M# h6 k& [: j3 \% F
- #include <malloc.h>2 ?/ w$ |$ n6 ]
- #include <sys/types.h>( V7 \# u2 G( o! T
- #include <sys/stat.h>
. Q! i( {/ X3 m& c+ q$ a - #include <sys/ioctl.h>& ^ t5 F1 w$ X* Z# f
- #include <stdio.h>+ a- u6 ]) d6 C k: E
- #include <string.h>
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- typedef struct {. Q( a8 x( X# N+ h" {
- unsigned int e2prom_cmd_sub_addr; R6 | ]: q5 T; c
- unsigned int sub_addr_count;% [" q% J) w7 L5 |7 r
- unsigned char* e2prom_cmd_data;
* ]% F$ _* u8 q! l& K$ i% E - unsigned int data_count;8 n7 c; w8 l% r8 N
- } e2prom_s_cmd;) Z; S6 z7 \* Z6 P
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- #define E2PROM_CMD_READ 1- Z9 T" S, G# g. H1 T+ g
- #define E2PROM_CMD_WRITE 2
9 `: Q, d3 [) X& G. M+ X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 v; J$ H6 `4 r. m) j' y8 n
0 ]% u: A; { F+ N- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;5 f7 J' j& _3 ~4 m, o3 s
- e2prom_s_cmd arg;
) f' j/ i' s7 |& ~; [5 k0 f2 _ - unsigned char buf[0x18];$ _- A w1 ^; [
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- fd = open(E2PROM_DEVICE, O_RDWR);
& [! J3 T' q( b* C8 g# a - if (fd < 0) {
8 G; i7 [! f; C8 k - printf("Device %s open error.\n", E2PROM_DEVICE); M( I$ c2 M* c/ S0 [; ~) }( X
- return -1;) T" j! X8 n: v, J
- }2 ^2 h+ Y* G+ ^8 D$ v% v4 f
- arg.sub_addr_count = 2;
8 z( W# d- _1 c - arg.data_count = 0x18;; {+ A. D+ W" j+ b# \4 y" e
- arg.e2prom_cmd_sub_addr = 0x290;- I: Q/ _1 ?2 {6 L
- arg.e2prom_cmd_data = buf;9 M) Z) e# Q9 A S/ @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ x7 `$ U/ X2 Q& [! ? - if (ret != 0) {
) w+ B7 P m2 |* ^ - printf("Device %s read error.\n", E2PROM_DEVICE);# R. m3 W9 O- T Z& u
- return -1;
* l5 @ @ \% M3 ]% ?6 Y V* A - }7 Z9 G- I4 ]6 b9 ^! n' J. E, j
- memcpy(mac, buf, 6);
, }, q( w3 o3 O, ]* O% n6 d1 q( @ - memcpy(stbid, &buf[6], 18);( w- r) ^! ?. P2 o! O* P
- stbid[18] = '\0';1 V% r+ `- A5 N: }$ Y1 b
- ; {2 q3 q* ]: N- t
- return 0;. S/ t- n" |& Z4 V
- }
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7 @0 }3 ^- J6 G g2 i- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ U/ {# d, _' B, u- B& f& O - {3 k3 A& [* T1 Z4 j, }; v( \
- int fd, ret;
! w; {8 T. H J+ t - e2prom_s_cmd arg;, ?9 s( l' g" R. j4 r
- unsigned char buf[0x18];2 \* H. X: W7 c" d! b1 w$ `* g5 |
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- memcpy(buf, mac, 6);
: O, N0 m6 l- {6 I% D5 { - memcpy(&buf[6], stbid, 18);
4 O3 W! Q& d8 f! h# ?' }1 D& t/ X2 G - fd = open(E2PROM_DEVICE, O_RDWR);7 g1 X+ H6 I- E8 x
- if (fd < 0) {' ]; O# b/ r* v3 Y
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 Q* ` p+ ?- l% s: d- k - return -1;
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- arg.sub_addr_count = 2;4 l6 }: |3 s: V% ?7 ]2 n
- arg.data_count = 0x18;
/ q$ P/ n" Y* `# D* V - arg.e2prom_cmd_sub_addr = 0x290;7 j I: c' J! `. x4 L7 E6 _
- arg.e2prom_cmd_data = buf;
$ s3 ?+ r! B- S$ g3 s - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 L( c2 E3 ^4 M* X& i/ g. {! c - if (ret != 0) {
) l: T7 q) v( q - printf("Device %s write error.\n", E2PROM_DEVICE);/ ~; }1 p. Q* Q; W' K' h% `0 t6 N
- return -1;8 q; q. ]4 K" U" F3 W1 V |- k2 J
- }
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4 g' \7 ?' i0 ]- return 0;
. Q4 \" Z/ q: u) ~6 C! ^ - }
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- int main()$ E J+ n8 H" ?6 }8 p2 h
- {
2 w, W; j- p) {# X/ [% n - char c;
, g( B, ^. u( t- G; C - int i, macs[6];: I2 J9 U4 x& Y9 {
- unsigned char mac[6];0 d- z q8 R5 \7 T8 u4 S5 [
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
! c8 b5 b" @/ g! |: c. @) w - return 1;0 Q( W6 d9 V1 Z7 G" a4 ]* R
- + b7 N+ e3 _$ q
- printf("Current parameters: \n");
4 ]$ l) H: f4 ]. X* b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% P9 P* Z7 O4 n0 T$ q" {
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
" X7 ~( r1 {7 E. u& v* Z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! F% N7 ~" x6 M7 M8 e - printf("Input MAC error\n");4 s/ l( s; h8 t. s- V$ U8 Z6 M. m/ j
- return 1;$ s4 U, p8 L9 I/ i/ N3 A+ j, Q1 x
- }
* A0 R! D ^$ J( |, ~7 O7 B, d - for (i=0; i<6; i++)mac[i] = macs[i]; r0 h. x; S* |$ a7 A6 }' Q) I$ m
- printf("\nPlease input new STBID: ");% t2 v& Z# r b" O" t
- scanf("%s", stbid);" q' l3 f# M) T, Q$ T
- if (strlen(stbid) != 18) {
9 v& u; R2 g l# ^ - printf("Invalid stbid\n");6 \4 v# Q. m w' C8 r: h1 a6 W- Z
- return 1;" }, R0 @$ {9 {2 P; K V$ c, A
- }
0 l9 `) b% X, o: ~/ q$ A - printf("\nNew parameters: \n");
4 z2 q& d" R D0 g+ N' i7 f1 E# y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% Y1 ~' r1 D$ r" [' g* R, D0 x0 p - printf(" STBID: %s\n", stbid);2 Q' @7 D- P8 X I7 l
( ~2 j5 E( r" z3 d8 P3 b( |% O4 o- printf("\nDo you want to change paramemters? (y/N) ");1 l+ T b# y+ ? m' B$ m7 l, ?. T+ E
- for (;;) {
/ h [- M3 I+ g% J( c- w+ H' f - c = getchar();
# l, s6 u5 e% ?' f `! o - if (c == 'y' || c == 'Y')
4 x, r4 Q) r' B' F! l) x9 X - break;
% v$ y7 Y! f* w - if (c == 'n' || c == 'N') {
- d, O/ p5 O" h4 e# p7 L/ K - printf("\nAborted.\n");
& o. ^- e! U! k9 p: o7 v' a# ~( s- c - return 1;
; m! W9 [" c; L4 x - }
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- if (writeparam(mac, stbid) == 0)
! I' F8 i+ f# e! p" n7 h: N* D2 f - printf("Parameters changed.\n");% B% T" J- K# c* V7 j- R+ C. g( A. @/ _
- ) ~( j4 `7 X s: n4 Q l* c5 l
- return 0;& W! T! M' L" ]5 D
- }
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