本帖最后由 0522 于 2012-3-21 23:04 编辑 3 `$ Y1 i+ ~, U- K' j# S# U0 \( Y
# a' h1 t8 t& B+ B' y2 z5 P( s修改的代码早有了。到今天不会编译。, M0 {, l/ h# T3 A3 d4 D
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># r. J0 y) X5 Q) h# n2 }% B
- #include <malloc.h>! ~- I' }+ t5 ?; h; O( X
- #include <sys/types.h>- N, E. ]7 X$ P" m
- #include <sys/stat.h>9 o% U' ?4 D! G
- #include <sys/ioctl.h>8 r1 i) F9 v( i, ^. ?$ |1 R
- #include <stdio.h>+ T/ {, \, L( j- }% [
- #include <string.h>! j6 I: O* c% M c
# M$ @4 l2 I5 ]. P& q- typedef struct {4 s# f* v( J! \) X! t
- unsigned int e2prom_cmd_sub_addr;
! g8 g T1 R8 z/ V' T8 ?6 c6 ~6 i - unsigned int sub_addr_count;% k$ I( c( K( S9 m2 K
- unsigned char* e2prom_cmd_data;
: ?& c5 N; ]. ?$ E$ C - unsigned int data_count;: S% r" X# \' J4 b
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 13 D& ?: N, L- p4 a
- #define E2PROM_CMD_WRITE 2& j1 N S6 p3 |* U. W2 h) K
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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5 a8 A! S, C0 q4 p/ h! Q- static int readparam(unsigned char *mac, unsigned char *stbid); K5 |5 X5 \) [* o
- {/ v% Q& C7 T! b |
- int fd, ret;
. O3 k6 H# N4 _+ r5 r - e2prom_s_cmd arg;
% t! E4 w; a% o1 D9 k0 O - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);& d x. `: L: H# T3 {2 a
- if (fd < 0) {9 [3 l5 L' a( W" A* E6 P0 d- r
- printf("Device %s open error.\n", E2PROM_DEVICE); \5 r! O9 E* |" s
- return -1;. H0 y: }/ H# C( a( P
- }
) g K; k. n+ R3 `( m+ I - arg.sub_addr_count = 2;1 u: N9 x% C) a8 l
- arg.data_count = 0x18;
! D# O( m$ b& | - arg.e2prom_cmd_sub_addr = 0x290;
- B2 S$ b z9 J2 d - arg.e2prom_cmd_data = buf;, q5 I3 D; y0 ~/ }+ C0 ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 F9 q& e; n( C
- if (ret != 0) {
. [( X7 F6 G* }9 ^8 x - printf("Device %s read error.\n", E2PROM_DEVICE);0 O0 |& g' I, Y/ x7 {
- return -1;- r' o$ s. F _. m! x
- }
) h; H. c: {; G7 |7 @) M - memcpy(mac, buf, 6);
( f. J- }# J3 H! q - memcpy(stbid, &buf[6], 18);% ~( T2 x% l1 J8 o
- stbid[18] = '\0';# X& j# M) x1 I0 _# P
) ~4 }7 i+ W1 l4 D( w' G o- n% N- return 0;5 {, {. R2 r* J# z6 s
- }
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4 v( F6 T5 w4 Y5 @0 T- static int writeparam(unsigned char *mac, unsigned char *stbid)1 X% O: n3 b' V& a. x, b8 \
- {
# z5 E7 o- V/ s( ?; X ^ - int fd, ret;
+ g7 J! x/ b+ d1 F3 P# ` - e2prom_s_cmd arg;' V( h! _' p. a; L: E
- unsigned char buf[0x18];
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5 A/ y: v; ~/ c1 n+ r* m* i- memcpy(buf, mac, 6);
- s1 \% }! J6 h - memcpy(&buf[6], stbid, 18);5 I8 t5 T$ O+ B; ^3 b
- fd = open(E2PROM_DEVICE, O_RDWR);% _9 O" J* L8 `8 }8 }4 d3 J3 x
- if (fd < 0) {
( J$ E& L: W* e7 Y- h& f/ A1 b) d - printf("Device %s open error.\n", E2PROM_DEVICE);+ z" D9 A( O9 E0 @' U3 i; G
- return -1;0 M" v$ t1 P. e$ \# e
- }9 A0 P) ]1 g% {% ]
- arg.sub_addr_count = 2;: J7 H3 E" Q; y
- arg.data_count = 0x18;
* M( D( x K5 h M0 _! {$ [ - arg.e2prom_cmd_sub_addr = 0x290;, F+ O5 y. ~, q
- arg.e2prom_cmd_data = buf;
5 ]4 G: Z3 [/ S" b. S: E9 V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, k- r# R7 E% O7 \$ ^/ V - if (ret != 0) {1 }$ y/ O# q2 r' n
- printf("Device %s write error.\n", E2PROM_DEVICE);, C2 W A6 ^. e. e- D0 X
- return -1;
3 _; u) S8 o8 P# M7 r - }
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0 o$ x& P5 I2 l Q- return 0;% K! K5 N0 M: m" N. M/ K2 p7 W6 Y- ~9 I
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% Z, E A+ q2 [- int main()
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- char c;
: B" Y+ {; Z- R# k - int i, macs[6];
& a; l0 `6 @1 b7 J' M - unsigned char mac[6];1 C2 H ]1 {% b
- unsigned char stbid[256];
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: C+ e; o) C8 e9 s/ @- if (readparam(mac, stbid) < 0)6 d; L w. C% \0 i/ w8 _+ _
- return 1;2 D/ {2 r( U/ G# @9 x8 `# C
' }$ B7 `6 \. V/ S' G) M3 C$ ^3 a0 N- printf("Current parameters: \n");0 L9 y2 t- [, ^( ~" v* O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: V8 e6 j @2 m/ H. I; f' W6 t) \) h
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. J/ p& U0 x3 [) J
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& [: Z. P! r) B& d( H I - printf("Input MAC error\n");
9 p, o4 k B; B3 Y - return 1;
7 Y+ Z- `5 ], g- K0 ^8 v/ v - }
2 x5 n' ?6 `7 Z! ]0 H( h. i - for (i=0; i<6; i++)mac[i] = macs[i];9 |" F3 W1 G4 t8 Q$ |& m7 x
- printf("\nPlease input new STBID: "); i0 \4 t3 v' k2 H4 h" c
- scanf("%s", stbid);
% V8 d4 V# ]8 k - if (strlen(stbid) != 18) {; K% K5 o' e5 g4 d0 U6 I: O) }
- printf("Invalid stbid\n");
& U7 w% e) H5 ^ e6 [, G - return 1;- B% s* w* L+ V% g) K. Q ^
- }
, R6 Q* ]: r9 B- p8 c' p' |0 S - printf("\nNew parameters: \n");$ d" @; q- P' x6 ]; H/ [& q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) W& f- P, ?4 H0 ?% I0 A9 T" C7 D - printf(" STBID: %s\n", stbid);
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/ c1 Y& L% l; B- printf("\nDo you want to change paramemters? (y/N) ");5 L: X. J/ Q* Z& v+ }; L1 E u* E! x
- for (;;) {, D# L( O. ?% Z5 q# u. H
- c = getchar();
- o6 V4 E v* e( t - if (c == 'y' || c == 'Y')
6 r( z8 c. j" x* O6 u5 D7 q - break;7 Q. h: K% p$ _( V( T9 a" q% c: C8 @, z6 A
- if (c == 'n' || c == 'N') {1 A6 B$ ^/ v- @' H9 m
- printf("\nAborted.\n");( ~" W* f- N0 U
- return 1;1 a7 R# ]5 D2 p6 j
- }
( S3 o1 M( C* p$ ` - }
! b# d6 S# {5 K* r2 M - if (writeparam(mac, stbid) == 0) 1 ^3 Y) `1 |7 J( D
- printf("Parameters changed.\n");
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* w# X- `/ _0 v- return 0;3 m) L5 p5 Y/ I
- }
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