本帖最后由 0522 于 2012-3-21 23:04 编辑
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, s: X8 p3 s) x) ?- N# o修改的代码早有了。到今天不会编译。
9 u" E8 s- f+ `$ G7 @8 h+ U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! |+ O2 T) M/ r. ]! \ - #include <malloc.h>/ D' s# q) U6 N' ^9 u$ i
- #include <sys/types.h>) U( g, J U9 c0 u7 ?1 y" ^6 V1 l
- #include <sys/stat.h>0 P( z' G6 Z, F
- #include <sys/ioctl.h>$ I3 P: k. J, K/ f
- #include <stdio.h>
4 O! T, Q# p" M5 V - #include <string.h>7 }/ Z2 A! o `: x& C+ D3 X
+ I' |" W4 p: q9 L0 w- typedef struct {
& A8 i1 P0 Z# f. \/ ` - unsigned int e2prom_cmd_sub_addr;% m% [: k5 S, @: T% \
- unsigned int sub_addr_count;- D E+ w* a0 Q* ^: R8 w- @
- unsigned char* e2prom_cmd_data;/ W2 Z. b; k* S7 h5 a2 \% L
- unsigned int data_count;
9 Q3 M- K& ]1 h' V1 x; E - } e2prom_s_cmd;
9 \, X7 m( ? r4 e7 O% g - " N2 H( P: B; L( [6 V
- #define E2PROM_CMD_READ 1
3 f; l/ ~7 M: N W - #define E2PROM_CMD_WRITE 2
3 h& A, U! \3 s1 j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! `1 P% T- i; ]4 H" u
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- static int readparam(unsigned char *mac, unsigned char *stbid)! h9 E2 F- ^9 R! y: a
- {
( R. f8 B! D! k, P) V. m+ N6 U - int fd, ret;
9 a, \; z0 _9 V4 V8 T7 M) A - e2prom_s_cmd arg;
& v ?% C, ~9 V$ Z$ z& o - unsigned char buf[0x18];2 N3 _. V! ?" s8 }# T4 X
- m$ ~/ {5 M5 | n+ d1 o+ c- fd = open(E2PROM_DEVICE, O_RDWR);
& Z H6 k- | K7 h+ j. _8 C - if (fd < 0) {
4 e( N: D0 N% k7 N U j$ W" V - printf("Device %s open error.\n", E2PROM_DEVICE);
5 e c! Z; d& {! C4 @# y - return -1;/ a1 @2 K" m7 Y( P" I; W' N
- }; T+ z/ |5 u: M6 w/ m8 K- g
- arg.sub_addr_count = 2;/ ~) ^* Q4 d0 v! G6 @- R# o
- arg.data_count = 0x18;/ @8 V) B0 }& @! a5 a6 L
- arg.e2prom_cmd_sub_addr = 0x290;
3 h3 J5 O4 D; ~8 J8 ^ - arg.e2prom_cmd_data = buf;$ @! j6 B# r( s% @. @$ a L! d. M+ s: I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 g5 E3 w( A! k2 e6 h
- if (ret != 0) {
- C; u6 c9 |( {8 w - printf("Device %s read error.\n", E2PROM_DEVICE);
" e; i* y5 I2 v) S- h2 ?( m - return -1;
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- memcpy(mac, buf, 6);
0 M- N1 k/ b" V& ] @ - memcpy(stbid, &buf[6], 18);
. D* K( W; E/ @. O( i - stbid[18] = '\0';
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5 h4 N. \( P7 o$ U& D" b- return 0;) V2 _3 _5 N$ r
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
: j9 x7 b3 F$ U2 n, k; `5 X" C - {
' i+ n! X% L6 @6 U1 j - int fd, ret;
G+ _5 J7 `& y! w - e2prom_s_cmd arg;
5 X$ q0 q% `# e/ n8 @6 w - unsigned char buf[0x18];& W E8 O9 }- h
- 2 N! O8 z* o$ v/ L$ w( R
- memcpy(buf, mac, 6);
9 [+ i9 X8 p& p# A9 U - memcpy(&buf[6], stbid, 18);, a( W% L6 ~3 p4 q) \5 S# ^; p
- fd = open(E2PROM_DEVICE, O_RDWR);# W# E7 N0 J! I5 E& o, p
- if (fd < 0) {8 ]3 G/ y! A" ^6 v: S/ A
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 W6 u* l2 G6 ?% \* [/ X - return -1;
/ U) c; j. o4 R! G5 a; K4 s1 W - }; c4 l0 `6 D5 L+ i' z9 v- f
- arg.sub_addr_count = 2;0 z" E( S7 M4 @- `. T. g, g
- arg.data_count = 0x18;
5 _+ j, }, I1 v& V- r( o0 O1 r6 M& s3 H - arg.e2prom_cmd_sub_addr = 0x290;
4 t0 Q" j$ g! v: g6 Q$ ` - arg.e2prom_cmd_data = buf;0 `/ d! O8 i' F, A0 b+ }* C0 E" y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& ^' ~4 ]0 }# D4 J! h5 `3 G
- if (ret != 0) {% r( s2 y3 T/ J' N$ A
- printf("Device %s write error.\n", E2PROM_DEVICE);4 x0 y0 {. ~% }
- return -1;5 n% N0 `% h2 f) X/ C- t
- }: l+ M! o: O# l. }
1 G- j% M* W* C5 Y" _5 m6 [0 H- return 0;2 W& c i$ A- v7 g7 P% c
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- % [ E$ A) s, _
- int main()
7 E( i0 k: L P - {
' {$ n* d s" J& t; u2 i! J - char c;1 q! Y) ^$ n/ D; G$ {+ d# \
- int i, macs[6];9 W9 S, z4 q' y: P3 [* G
- unsigned char mac[6];1 S0 a' Z; r! y2 F; _
- unsigned char stbid[256];; G& w1 ]- e# A" P$ K3 J# J( t( M
- 6 y; P8 c! _* m1 V# N$ N% \
- if (readparam(mac, stbid) < 0)' I* \3 z8 V. S4 s3 k) Q
- return 1;9 l( l8 J+ j6 w
, q% U0 ~# B; [- printf("Current parameters: \n");
/ ]0 Z$ c1 x" [7 i0 k& E( Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- C6 n* g) X$ n" x% K& ]8 r - printf(" STBID: %s\n", stbid);- h |' u; Y# \) \. Q) B% C
- / ~9 ^, ^% d/ j1 S9 T. A2 f
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 U! a4 X, @& s; g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 h7 h Q b& h2 b
- printf("Input MAC error\n");* C: |* p" ` k
- return 1;
9 B- ]. N; m' H4 R - }
1 n t! H* M; d7 }6 O3 m - for (i=0; i<6; i++)mac[i] = macs[i];. V+ g# n! L m
- printf("\nPlease input new STBID: ");
; G" d# V* H- K# x# t - scanf("%s", stbid);
8 c/ Y# N' t& E' ?$ G# T - if (strlen(stbid) != 18) {
* H" T3 `+ j% Y' Q( r( {( b0 ]. ] - printf("Invalid stbid\n");
2 t+ n0 [/ k1 j4 f: z - return 1;
$ f: [- \' Q0 H: [5 X1 U; b - }. Z i3 w( g T8 U2 M1 K/ D
- printf("\nNew parameters: \n");( T8 ]2 B' I( R0 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* w6 N$ `7 r" `/ R
- printf(" STBID: %s\n", stbid);# q; [3 g9 G8 B+ z$ L. x
" u4 @& K$ [6 e4 [8 q+ Y- printf("\nDo you want to change paramemters? (y/N) ");, n1 B( w0 o/ ~5 q
- for (;;) {0 j/ |' f3 K6 ^
- c = getchar();' O$ J7 ? D2 i; J
- if (c == 'y' || c == 'Y')" v w, R! d; U. N- r
- break;
& e3 ?4 y0 W) ^) h* M - if (c == 'n' || c == 'N') {
0 ]1 [2 f) C; i0 i4 S - printf("\nAborted.\n");- Z+ ^' c1 a8 ~( I6 d( ~' q
- return 1;
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- }/ K" L1 W: \! ?: r, m: S
- if (writeparam(mac, stbid) == 0)
4 R, W5 L3 v Y n! ^. V: p6 r+ ? - printf("Parameters changed.\n");& H% [5 {% J0 D' x( R+ F0 n
' L v4 ]9 f4 q D6 W# {& U0 ]4 c9 C- return 0;& O' M4 E6 u7 B
- }
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