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。6 N S! Y+ `. x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 Y" g) {9 G' `! \- }: a
- #include <malloc.h>
! k' J; |8 I7 H: Q5 A4 p Y- ] - #include <sys/types.h>
9 E. @4 E* ~/ t5 B, ^' X - #include <sys/stat.h>' t0 H+ G- q K+ Q$ b5 v5 K
- #include <sys/ioctl.h>
1 E( V, V' @7 c/ w - #include <stdio.h>- s6 h9 N O& D9 [' H# ?1 k7 O
- #include <string.h>( n' N; U- a3 {
- 9 S. a+ ^: O) A4 E' q
- typedef struct {7 O& b' R- a/ I# C7 V g
- unsigned int e2prom_cmd_sub_addr;3 `' p! j$ u; }) J
- unsigned int sub_addr_count;' }4 [- b; e: c. _
- unsigned char* e2prom_cmd_data;
! ]$ n, u2 H' R7 x - unsigned int data_count;
5 N$ r. r) R' w4 q: v8 ` - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1: r" l! b; A7 b; Q; a5 }
- #define E2PROM_CMD_WRITE 2
+ @1 ~% u6 K2 _: S$ ~0 q$ H% } _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& m+ h6 ?$ ]" w5 p
- / [7 f1 T* [+ n/ r* n# J0 W, b- r
- static int readparam(unsigned char *mac, unsigned char *stbid)
: _- I! [3 x" w% {& Q - {
/ b3 h$ c9 g4 {, m, |: T% k7 t - int fd, ret;. J+ u& k9 Q D& b# U( ]$ d0 j
- e2prom_s_cmd arg;
" X) r1 i) {; x& d% @ - unsigned char buf[0x18];% X4 ?% X' y+ `. q
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- fd = open(E2PROM_DEVICE, O_RDWR);: W( S5 }( P8 N. u
- if (fd < 0) {
, L4 L) Y0 }$ j3 v' Z8 ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
- G& a- V9 ~% x9 o - return -1;# L$ r: h1 U) {% Y1 o0 B; n
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- arg.sub_addr_count = 2;( h8 j( g& b# {& h0 O
- arg.data_count = 0x18;
3 x% U" ^; _! {% @ - arg.e2prom_cmd_sub_addr = 0x290;4 W! X# G7 j2 S$ a
- arg.e2prom_cmd_data = buf;
+ V4 @% U/ L; Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 x2 P& F U( A. O
- if (ret != 0) {, B& o1 u; M* M& M; C5 G3 Q# I
- printf("Device %s read error.\n", E2PROM_DEVICE);( A* J% I6 L2 J' S/ `
- return -1;; I; S( v# i" J: k4 y
- }
C, T0 I; S* x! r( x8 N* z- n - memcpy(mac, buf, 6); H0 I! x8 h" A+ d& i9 f0 n" j
- memcpy(stbid, &buf[6], 18);' C% H+ Z* S) I1 p+ I# h
- stbid[18] = '\0';$ W ]$ M: ?5 w/ y9 B# y2 v* n
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- return 0;# A+ ?2 ~9 w( o' Z
- }
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2 R4 h" ~; `* |3 z4 @0 l/ V0 T: A- static int writeparam(unsigned char *mac, unsigned char *stbid)- o- J/ @+ _; D% p) w \) Y* r
- {
5 s3 ?1 u/ A7 H2 e1 r4 s, p8 R5 } - int fd, ret;* M$ d8 v9 t" b- f
- e2prom_s_cmd arg;
) v. \: S1 f# G7 j - unsigned char buf[0x18];
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+ R) S; y2 S, `3 `- memcpy(buf, mac, 6);
! U: p. ~0 c, W5 F: a - memcpy(&buf[6], stbid, 18);4 i' V' F: ~6 x8 P
- fd = open(E2PROM_DEVICE, O_RDWR);( \" j- P3 K' M9 ?4 s* C
- if (fd < 0) {
" Q% [: a: E" O6 W+ V7 u" ^ - printf("Device %s open error.\n", E2PROM_DEVICE);# K* u1 q: x* N. k0 p* U% J, e" c2 ~
- return -1;
# C. g) Q' U$ T z. j2 ?0 t - }
4 `5 n* o9 p% \2 w2 T - arg.sub_addr_count = 2;
4 V& t/ N& C' H9 a" l1 N - arg.data_count = 0x18;
6 W1 n! o7 S! J$ x, ] - arg.e2prom_cmd_sub_addr = 0x290;: V. N8 Q; }$ T, T4 U
- arg.e2prom_cmd_data = buf;
# v2 r2 [( p, R! S2 q$ y/ D1 K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 r4 q. a# I2 D% Q - if (ret != 0) {
8 g2 H7 i& p( | u( {0 k8 } - printf("Device %s write error.\n", E2PROM_DEVICE);1 ^. v: I ]( _8 ?0 x/ e
- return -1;; x6 w( u5 U9 \
- }
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, H4 a: ?# _6 i; C/ E6 B$ ?- return 0;: A( D9 m0 ~. S* P! p: Y0 a
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5 T! k* ~, X0 v/ ?# A% [& O; r- int main()
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6 ]3 C2 B: d9 Q# o* o- q - char c;
; c7 w5 d" M& G. }6 M - int i, macs[6];: L/ h; |, u. Z. p+ y
- unsigned char mac[6];: a& c6 r& Y1 v$ Y6 h( @
- unsigned char stbid[256];
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1 i+ m" v, e* e$ D3 } b" |9 y* y- if (readparam(mac, stbid) < 0)
1 @" c3 U, z2 }9 b/ l1 r7 r. T - return 1;
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5 z( n) [( q, M- printf("Current parameters: \n");
8 J; G' ^; r1 `/ F& S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* p) z3 ~% C. O7 ?; B* J& y x; C - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; _& y! W" o* q, ^- W
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ W- T. z R4 x" X7 k+ R5 e - printf("Input MAC error\n");
( T1 O; x0 Y' l V" N0 ~0 X - return 1;' L" x" t# B- p' d' E0 u. |+ ` e
- }
+ z" Q. `2 |, m5 B# B - for (i=0; i<6; i++)mac[i] = macs[i];# h0 q4 u: n6 [% x0 M
- printf("\nPlease input new STBID: ");2 ^& M2 z# Q* B- j' U4 s4 F" R
- scanf("%s", stbid);
: R) l) b5 T Y5 ^8 j1 m) O - if (strlen(stbid) != 18) {
8 k/ B2 j& [: J A - printf("Invalid stbid\n");) S: [; o& K& \4 A: m1 F5 P2 P
- return 1;
# J4 D0 K. R; i, c+ ~! Z - }: s. K: ~' L2 i. W% \4 w' v
- printf("\nNew parameters: \n");! _0 u( J/ U- }! v5 R; \+ U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! }5 u$ s; _( w; u
- printf(" STBID: %s\n", stbid);
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, l% u4 p0 s$ H4 Q- printf("\nDo you want to change paramemters? (y/N) ");
1 G8 E7 o8 d$ G: ]5 Q' \/ A4 x - for (;;) {
$ F, X1 @: e; T2 W, ~ - c = getchar();
0 T5 ]# Q: _! t0 A% [3 _: X - if (c == 'y' || c == 'Y')
" s! H G5 e+ {9 }6 [) y: q* M - break;
C" }% S( Q! V - if (c == 'n' || c == 'N') {3 s! G6 \- r* Q1 a$ w
- printf("\nAborted.\n");
( M9 i5 d5 k) }: ?& M0 K - return 1;) O1 p+ Y3 e- P9 D; n z3 C
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- }
, j5 J9 C. d5 s6 \# [0 M' N& ` - if (writeparam(mac, stbid) == 0) 8 v$ `; R' d; G1 ^ V' a; S
- printf("Parameters changed.\n");
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- return 0;- W: U5 b# y! S, A7 d9 i3 }
- }
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