本帖最后由 0522 于 2012-3-21 23:04 编辑 / k7 W& O* _/ H% T$ P
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修改的代码早有了。到今天不会编译。/ F1 x' P% H# w6 F; i7 _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ b5 R/ |7 k5 ~" T7 a
- #include <malloc.h>3 d. I; G; j4 _* J* N9 Q# H
- #include <sys/types.h>
5 A% n) E. o0 g2 p; K( x$ U - #include <sys/stat.h>
3 F6 l& I5 `5 z) d - #include <sys/ioctl.h>
4 @1 s- V4 x2 n6 ~0 E/ } - #include <stdio.h>
! T7 S" Q- m* {; g. p% D0 N - #include <string.h>
+ X# I& {" u/ L ? - 7 ~8 G& f% _ \3 @. ?% d/ n9 R! p+ N
- typedef struct {
x1 B$ ]- j, v) M, r+ h( u9 O - unsigned int e2prom_cmd_sub_addr;
! a) T( x9 U% g a - unsigned int sub_addr_count;; f' d: c0 i# ~/ v" g: Y
- unsigned char* e2prom_cmd_data;% b g# b7 t5 Q* K& h
- unsigned int data_count;( k3 J, G/ J1 U2 k A% o3 |
- } e2prom_s_cmd;0 R' B- {' H# t, M- D
* L- o' O/ k/ {) ^5 e8 I- #define E2PROM_CMD_READ 1$ f# z% a: x( S i. [7 j
- #define E2PROM_CMD_WRITE 2* W9 P" C1 u. D( m- o/ z3 M
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- g* ^& D. m$ j( \+ k
3 ~! d* s+ n+ i4 `: O- static int readparam(unsigned char *mac, unsigned char *stbid)
/ T/ B) j6 s' S6 j - {
8 [6 f0 K u- t - int fd, ret;
4 _8 C, m& K0 w8 { - e2prom_s_cmd arg;8 F! d5 P9 j' D6 I$ a
- unsigned char buf[0x18];3 S. N" o) `8 t, J
- 8 g- P3 \5 |" P" ]$ s
- fd = open(E2PROM_DEVICE, O_RDWR);4 `& d! {: ~/ s( K3 F* ^3 v
- if (fd < 0) {
5 |/ J: m5 B! \2 B - printf("Device %s open error.\n", E2PROM_DEVICE);5 Q* @! L6 a9 q! D) s( R% Q
- return -1;
- T5 d) l, x: }# E2 G! t8 [ - }
- W4 I0 Q6 a% O/ q - arg.sub_addr_count = 2;
# t: C1 @4 h* a* m6 y - arg.data_count = 0x18; M2 Z% i6 P4 ?; S/ u" n* v2 U N
- arg.e2prom_cmd_sub_addr = 0x290;+ d9 Z- ^* C1 l
- arg.e2prom_cmd_data = buf;. m" l5 o4 t: }3 o9 r' L" ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! _2 p' p& N3 K$ a" Q - if (ret != 0) {
7 W3 t$ k! A2 K; O0 h2 [ - printf("Device %s read error.\n", E2PROM_DEVICE);! G; k+ G! i8 E. ?8 s
- return -1;
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- memcpy(mac, buf, 6);
[4 v3 m" N: z, c w+ G - memcpy(stbid, &buf[6], 18);. [" f! S% r. O- H1 x
- stbid[18] = '\0';
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7 y7 X$ ^. ~6 B0 j M) U- return 0;6 I- y/ l& u3 v8 c, u
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)% P& Y% w* B" B! W' {! }. L3 _
- {
- O. P6 \: D% h) D0 K, z - int fd, ret;+ R2 U* Y0 \. \- L+ T L+ T
- e2prom_s_cmd arg;) N: Z5 N2 I9 ~2 H; n* p: g% |
- unsigned char buf[0x18];
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, ^( _! g; ?8 G$ u' C6 y- memcpy(buf, mac, 6);
' E1 O/ |: u$ y& x5 S0 ] - memcpy(&buf[6], stbid, 18);. n- N" ?/ F- \: g$ G8 T" @3 }
- fd = open(E2PROM_DEVICE, O_RDWR);" _2 n% Z2 f2 f' B; r8 a
- if (fd < 0) {! Y( O, }' ~& M; n
- printf("Device %s open error.\n", E2PROM_DEVICE);4 r! q9 b( d9 J4 l5 l( }
- return -1;. v* C+ ^+ Y7 {7 v( {) p
- }
' {5 k* V9 a- ~) R; s, J - arg.sub_addr_count = 2;
1 M2 O6 N) a* G$ I - arg.data_count = 0x18;
1 h& p# a `/ j# Y- r - arg.e2prom_cmd_sub_addr = 0x290;
9 o( {6 h! p/ V" a7 G" \ - arg.e2prom_cmd_data = buf;
) p6 {1 C" n. m* ]! _; ^/ z9 f - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% I2 R$ B, ?1 E r
- if (ret != 0) {( i8 `1 x2 U+ C3 T
- printf("Device %s write error.\n", E2PROM_DEVICE);/ I0 x& M3 t: \8 E: S% j
- return -1;$ ?' x0 W/ |3 _4 {! a
- }
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i7 M) K0 o7 t0 _5 y* A- return 0;, y W9 n% a! ^! [) e
- }
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6 N X5 q" E8 g' i! C3 \! p- int main() [# m+ {# Q% B3 v
- {
2 m2 u. X: q! H) L% e$ V* x% q5 D7 R - char c;
8 |0 S( B- S, a; I# g5 V - int i, macs[6];
6 {8 d' A/ X' O8 y5 i - unsigned char mac[6];. N$ }& p' l2 g% j
- unsigned char stbid[256];
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* [# U8 m( N8 t7 {: x( \- if (readparam(mac, stbid) < 0)
* j4 |; l" c9 g z, Z" Z - return 1;: L n( E2 k; m
- % l# x5 w$ {" Y! ?3 s+ K0 v4 v
- printf("Current parameters: \n");
: d1 i" r3 K ]. m: D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* b* \5 g' k1 h$ W0 B - printf(" STBID: %s\n", stbid);4 L; c& n8 T R
-
2 l% r+ E8 S9 r+ k' p# C( l; ]- E - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ N" N/ f* n$ h* W# ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ o& ?8 F6 O! ^+ A - printf("Input MAC error\n");
- k+ B3 v$ l6 H9 }! m+ \/ t - return 1;6 i( A+ d. S0 N' H
- }
/ Z6 k% T) o2 K( K$ x9 f - for (i=0; i<6; i++)mac[i] = macs[i];
* j$ j3 Z h9 i" C4 \4 q# o - printf("\nPlease input new STBID: ");
i" f& c& k* v* N0 u* i - scanf("%s", stbid);' j. [1 `9 Y8 c" \6 N
- if (strlen(stbid) != 18) {: [+ H$ |; p/ z n" {& E
- printf("Invalid stbid\n");
, m: a. E5 m1 R2 y6 L; |/ b' Y - return 1;
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- printf("\nNew parameters: \n");
% e- a- q- w: M" x0 {) T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# Z- G& q; l1 c) f( s7 e$ V
- printf(" STBID: %s\n", stbid);
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5 j/ ?4 j1 S, }; K( U- printf("\nDo you want to change paramemters? (y/N) ");1 ^/ Y# X3 ^+ e' m8 Q
- for (;;) {4 K& R ^, E: X' d* D' {
- c = getchar();; Q6 A' a3 J' \) H
- if (c == 'y' || c == 'Y')
# F0 A% W8 i( N; u( y5 \, ] - break;' u m1 k" i6 {. o0 z* Y
- if (c == 'n' || c == 'N') {# a9 ]% E0 w1 ^
- printf("\nAborted.\n");
/ _2 D; C* A5 k" ]4 {; M( d& H - return 1;
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- }) H) b+ [. k! F6 w! h# j0 Z6 U
- if (writeparam(mac, stbid) == 0) & k. P, C: g. H) }% ?
- printf("Parameters changed.\n");' j! `/ B$ b7 Q3 P+ K& p
1 g5 w1 @, p/ k& C% C1 X- return 0;: q. x3 p6 m' `) _+ O
- }
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