本帖最后由 0522 于 2012-3-21 23:04 编辑
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& b8 ^: G1 \; l4 I) X1 c( Y9 A修改的代码早有了。到今天不会编译。
5 q& z/ K, q. C7 R. i. ^) s0 c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 q2 g" W$ j1 f
- #include <malloc.h>
1 Y5 C( u9 j" K9 f* @0 a - #include <sys/types.h>
+ O! Q3 {0 T2 q! L - #include <sys/stat.h>
2 M: O7 a5 c2 w9 V+ Q - #include <sys/ioctl.h>; z2 F9 c9 |5 B P u/ h( t; ]
- #include <stdio.h>
9 R- x1 g" N( v - #include <string.h>
1 K: M% h7 T! _3 L* V1 W - + o7 Z+ S( y6 {
- typedef struct {
' ^* G( _, F7 |7 h# C - unsigned int e2prom_cmd_sub_addr;+ R- }" K+ ]+ B( J' O& N
- unsigned int sub_addr_count;
( f( Q' U* a7 I" w1 }4 V - unsigned char* e2prom_cmd_data;$ M F6 w4 {, H4 d3 Q1 M" {
- unsigned int data_count;
" J1 p9 n5 M. j% @& d! x - } e2prom_s_cmd;, R Y; c+ ?$ j; n+ F8 \; _
- 9 [4 ?$ Y# u k, I+ f
- #define E2PROM_CMD_READ 1( @3 V- s% [' C" c, R
- #define E2PROM_CMD_WRITE 2
1 j: P p: a9 }) b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" Q W m! Y+ c/ |1 |: l/ ^, S
- # T# j4 t, s x9 n5 A, p
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
8 z( {3 q) f4 T, Z, G - e2prom_s_cmd arg;3 B& @. w( k! J6 p: n
- unsigned char buf[0x18];& h8 L* Z$ O; E7 K& k9 L7 y0 {
& ~, [! g5 l g, i- fd = open(E2PROM_DEVICE, O_RDWR);8 K1 j% f$ Y! s/ |' s) v, P! q
- if (fd < 0) {) X0 g2 G4 G- G
- printf("Device %s open error.\n", E2PROM_DEVICE);. ?$ f% ^4 k# L! T: N3 y
- return -1;
: b" l* l% G# B) R0 g8 f - }; z6 X: ]6 Q9 B
- arg.sub_addr_count = 2;' x8 {- r% J# Y5 D* }
- arg.data_count = 0x18;: a5 v: S1 G, f; ^& q5 b
- arg.e2prom_cmd_sub_addr = 0x290;
4 U( `5 U% m2 ` - arg.e2prom_cmd_data = buf;
8 e2 P) ?& L, Z6 S% Y% H - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% Y1 j0 E* i9 U/ y1 x - if (ret != 0) {
: A6 A1 S% `* l1 X/ E0 l - printf("Device %s read error.\n", E2PROM_DEVICE);
9 ~) s! u, I, g - return -1;. Q' o* H! O$ ?7 D5 X$ ], f
- }
% n) s7 y1 I r - memcpy(mac, buf, 6);0 n" R7 U/ p1 T3 `
- memcpy(stbid, &buf[6], 18);
( c" Z) @$ ]$ h2 L - stbid[18] = '\0';) W2 Z/ q% R: b2 t
8 s( g3 y" b/ t; ?. c: ~9 u! v4 T- return 0;
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- , v# l2 a) F' ~1 b/ K
- static int writeparam(unsigned char *mac, unsigned char *stbid): w; v/ M# k* \4 M( R7 L8 |
- {
8 r- j; Z7 `0 ^( f# ] - int fd, ret;/ A2 p# s. E1 f* z5 V
- e2prom_s_cmd arg;
% U+ \, |5 z6 Q- D; B - unsigned char buf[0x18];) q* _3 |" r- R9 l( I' u9 {
3 c1 h. x. ^5 J1 A7 q- memcpy(buf, mac, 6);
* J; ^" E1 [3 u z( G4 V7 s/ o - memcpy(&buf[6], stbid, 18);$ ~& j6 J6 y/ ~! f
- fd = open(E2PROM_DEVICE, O_RDWR);$ k `% \$ g. A9 d2 j' ?$ p
- if (fd < 0) {# ~9 F: u* B5 r7 C
- printf("Device %s open error.\n", E2PROM_DEVICE);0 j" K5 N' B" J% z
- return -1;
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- arg.sub_addr_count = 2;
5 i* r9 @8 V m) z! j0 Z - arg.data_count = 0x18;. E/ d; @$ D- d9 } p
- arg.e2prom_cmd_sub_addr = 0x290;
0 j: B2 G; ?9 ]0 }0 B8 z - arg.e2prom_cmd_data = buf;# j, W% }- j* a2 `3 i
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( q! R; U+ G; ^. n! c& A. v - if (ret != 0) {
4 M- x# m! [5 G+ q2 ]) N' R: c" X - printf("Device %s write error.\n", E2PROM_DEVICE);
1 L2 c! ]- W6 @: Y) A( z4 G - return -1;
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$ C. p4 B! m- o# Y- return 0;
( {0 e1 Y7 m4 U3 D/ Y4 U - }
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- int main()
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7 E& ~9 y$ `* l) j0 \ - char c;: B4 D% t( ]8 C6 w
- int i, macs[6];4 e& ^" F6 F4 L, O( |
- unsigned char mac[6];
# f* n6 T0 Z m8 d0 Y. c - unsigned char stbid[256];. I" e! Z2 w. X8 a/ z6 h
- 1 v& M, b! j# T
- if (readparam(mac, stbid) < 0)% P X; g8 D9 a5 G1 W! f
- return 1;2 i9 ^% G, Q/ J" t
5 v! a* p* P: `% Z* J/ B( Q. \- printf("Current parameters: \n");
+ M- c4 \0 x* W) ?+ G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% @: e6 Y, l' Q9 C, M) S
- printf(" STBID: %s\n", stbid);" O2 `- z5 E9 @# a$ ~
- ( a) K* m7 b( e+ w7 b% Y+ ^
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: s: A: x5 E6 U% e% x - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( c$ v9 a; W% e3 I. h; d) x
- printf("Input MAC error\n");
! Y, U8 Z) \" u4 L) c t& i5 A - return 1;
3 b8 S Y4 s7 }0 b4 x9 s - }
9 s# H- T ?& Q5 y/ C1 a4 S, z a - for (i=0; i<6; i++)mac[i] = macs[i];
& B0 w$ f! ~# @ - printf("\nPlease input new STBID: ");
+ E2 K: r/ U! |- e8 ` - scanf("%s", stbid);
2 v/ r$ E. e ]3 ]7 L8 m, s - if (strlen(stbid) != 18) {
: G5 g8 z. i! o% S8 T- I9 j - printf("Invalid stbid\n");; n C- T; g( J$ k1 T$ k# N
- return 1;
$ O& B# k7 @& Y - }
% @# I# c M$ U. e+ W - printf("\nNew parameters: \n"); }5 i5 y7 Q8 F0 [7 _, f1 {: j7 K. j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 ] B9 D8 D- ~) t7 Y
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
1 C( S/ d$ C; ?/ z8 p - for (;;) {$ z) a- a$ D2 V' |3 A% f! X6 y
- c = getchar();, Y) n9 W; G" Q
- if (c == 'y' || c == 'Y')
6 F6 R' e0 C4 u5 E, S& a - break;2 H+ c- e4 X5 N8 z0 Y
- if (c == 'n' || c == 'N') {5 S- X9 ~) P+ j5 ?9 X/ A- L! L
- printf("\nAborted.\n");
/ ?% h7 q# B3 _7 d7 m - return 1;
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- }
1 E. }2 L; U6 W+ t/ M2 v" Q - if (writeparam(mac, stbid) == 0)
1 {/ O6 ]( ]; }# R& s. W' H - printf("Parameters changed.\n");
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- return 0;
5 n# Z! C3 R& O0 s7 h% Q - }
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