本帖最后由 0522 于 2012-3-21 23:04 编辑
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! P$ l f" M! y- K& i7 a% F修改的代码早有了。到今天不会编译。$ W( D' `+ U% Z/ o; S( n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) y, [" E9 r- w( b - #include <malloc.h>; w" m- I% K: `
- #include <sys/types.h>
- t. t5 a7 }6 F1 b9 A& F) I - #include <sys/stat.h>4 m+ n" j: m5 c, M" y& ~' k
- #include <sys/ioctl.h>
# z; g1 Z/ ~& ^: f' u( v - #include <stdio.h>8 d1 g8 g6 k4 J0 K6 b
- #include <string.h>3 u3 ?( q5 s# p9 k' k0 m3 {* d
4 b: i$ ]# ^5 }2 `% x, ~- typedef struct {5 `, R9 b& Z& Q/ S8 q) B n
- unsigned int e2prom_cmd_sub_addr;/ M; L! l: h! D& l
- unsigned int sub_addr_count;) Y: _. [) B( q$ q5 o1 E/ o
- unsigned char* e2prom_cmd_data;4 S9 |4 c9 ?$ w: X
- unsigned int data_count;1 s$ B% n1 m+ {3 E2 [; M; E2 x
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1: q/ S2 ?1 ]; K( f
- #define E2PROM_CMD_WRITE 2
" c# J h/ x% e, Z) T5 B - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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* F! q1 E `5 x- static int readparam(unsigned char *mac, unsigned char *stbid)
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c6 T/ f! b6 Q; h/ k" k* x/ ] - int fd, ret;
* ]7 a; f; s+ {, ]" u& V7 _" [- j - e2prom_s_cmd arg;+ k0 Y h& y5 P9 f4 e
- unsigned char buf[0x18];; q$ p+ c1 `' o4 }
- , j1 w4 i7 R4 @) l9 U9 |$ ?
- fd = open(E2PROM_DEVICE, O_RDWR);
* N" k2 ~; v2 [4 ~ - if (fd < 0) {
& R+ V+ T9 a3 ]- ~. W3 r - printf("Device %s open error.\n", E2PROM_DEVICE);% E. T3 ?7 |! l/ M6 N M
- return -1;2 Q& z# J! I6 O
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- arg.sub_addr_count = 2;
! C5 z9 W- C* _; a, B' T Y' ?1 j - arg.data_count = 0x18;3 ~. ~# D. c3 N' I" k
- arg.e2prom_cmd_sub_addr = 0x290;, }0 _( f1 c9 x6 l6 z) J
- arg.e2prom_cmd_data = buf;
, {+ T* B9 F' ?0 O8 E( | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! v' s! u# G. q - if (ret != 0) {
" T7 p, B, P+ J9 J - printf("Device %s read error.\n", E2PROM_DEVICE);, I0 k: n2 s$ {/ z" J
- return -1;
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- memcpy(mac, buf, 6);: ]) X" y1 {( e! Z0 r" a$ ?1 i
- memcpy(stbid, &buf[6], 18);
- |6 U. t/ \: R# O4 |/ \ - stbid[18] = '\0';
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2 i) X5 }* m% H! l- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)8 u7 I3 l' E4 h9 f4 A& _) m0 }
- {
2 t( ?" h# {1 f0 z% } - int fd, ret;0 X; v" H) j- K
- e2prom_s_cmd arg;
3 a- O! L) g3 T" A9 P' J - unsigned char buf[0x18];* E8 w6 k# a" }/ x J
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- memcpy(buf, mac, 6);
: l8 D5 O3 W: L" W/ G0 J - memcpy(&buf[6], stbid, 18);
, j5 _0 s8 D) C% ~; ? - fd = open(E2PROM_DEVICE, O_RDWR);6 Q. f N& e- ~3 N; ^( r, d
- if (fd < 0) {
2 B# p3 w3 I' e( }. `; x - printf("Device %s open error.\n", E2PROM_DEVICE);: s% X( y) z+ T. e
- return -1;' U/ o+ x: u, J* r; x3 i
- }
# A+ a$ O0 O" _* J, C - arg.sub_addr_count = 2;$ c$ x# w& Q! c5 D3 |2 |
- arg.data_count = 0x18;
1 Q& M3 }: j t8 i& J' U7 O - arg.e2prom_cmd_sub_addr = 0x290;
" t: r) Y ?+ T2 q6 Z; K6 [# L0 k - arg.e2prom_cmd_data = buf;
- S4 Y5 y8 H- P6 E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 {& A9 d% m8 @0 @+ E8 W
- if (ret != 0) {& ]! i* M3 e9 Q; ?& j# m6 [
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ c. b# h/ U e* A$ \ - return -1;$ N5 T3 M! ]$ Y) b, L8 O7 g+ }
- }
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: t2 o( w% N) h, R; D) q) m- return 0;* e! M/ E; N. \; O* q# Z& {
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- int main(). u6 x$ q- T. G: W
- {" i" ^: J0 ?- G' }$ _& z
- char c;! K: u. y- u' q! @% l* F; }
- int i, macs[6];2 W& _0 P+ J! B# n% f
- unsigned char mac[6];
`! z+ e& e% H& R4 c9 g - unsigned char stbid[256];! ^) Y6 I9 r6 V q
( u; R: A% [3 J- if (readparam(mac, stbid) < 0)3 F7 h4 S6 b' P- j C2 ^" B. r
- return 1;1 B, D6 `% A3 M( x* B6 T% V
- * C' k) M% U7 D2 L& U& m1 X& V3 r. W
- printf("Current parameters: \n");
; V% ]! I9 c6 S0 b' v8 _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( t1 N5 k# j+ ] v
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' s B' \9 ~* ^% y9 L* y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 K4 R. T9 x3 j* k0 b1 T& L
- printf("Input MAC error\n");7 Y; J4 w8 l, }- H K2 }6 Q
- return 1;, G* p& m2 s$ G
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- for (i=0; i<6; i++)mac[i] = macs[i];
* w) ^3 s7 W( f - printf("\nPlease input new STBID: ");+ Z/ o. L4 t" Y( n
- scanf("%s", stbid);) q z1 @! B- T& A* p5 {( @, A
- if (strlen(stbid) != 18) {
. O( ?" H$ G: q$ v - printf("Invalid stbid\n");
, H: _/ K7 Y s6 s2 l& d - return 1;) |( f7 W) U0 y Y
- }; h5 p6 d, ], h
- printf("\nNew parameters: \n");3 D+ L7 z& j% A+ k+ {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 z j8 m( X) D+ ~ - printf(" STBID: %s\n", stbid);, V- O7 G% Z3 H# L% X: ~
- r; ^1 q; q4 U% P4 w: {8 s; E9 i- printf("\nDo you want to change paramemters? (y/N) ");; f# W- v6 N! N6 b5 K
- for (;;) {" s! D8 n3 H7 ^% B! y2 N
- c = getchar();
8 Z L, k: Q. l( T, [7 c- O" { - if (c == 'y' || c == 'Y')* @. S6 P- K/ E. B) T
- break;& A+ e* r' v5 F& e
- if (c == 'n' || c == 'N') {/ J6 N W: f9 q2 M2 R, `# B
- printf("\nAborted.\n");
+ G- ]( S# V# r$ [3 [ c3 L - return 1;
0 p) a- _, q5 r8 C' p! A% ` - }
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- if (writeparam(mac, stbid) == 0) & J2 p( k: h a Y- X5 d* d
- printf("Parameters changed.\n");
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( n0 N2 m; p* M, ^- return 0;: }4 X& [! I' L
- }
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