本帖最后由 0522 于 2012-3-21 23:04 编辑
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l' X0 M8 L6 T2 d! s修改的代码早有了。到今天不会编译。
6 U& Z; r& I" z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: E5 Q& D9 _3 H. S: _ X. S" g# z/ V - #include <malloc.h>5 T, o3 u7 |9 n4 O9 s1 @
- #include <sys/types.h>
% D( m' @6 M |4 o; L$ U" H - #include <sys/stat.h>
6 I- J% {0 j6 c4 X- k/ N% m; z - #include <sys/ioctl.h>
/ q0 H5 B5 R+ U/ }7 x1 m( M0 E$ A/ E - #include <stdio.h>& |" j2 V0 ~+ u5 U1 m
- #include <string.h>* _7 B: Z$ Q0 ~" u9 |" E
- h1 }( X1 j2 W4 ~
- typedef struct {
( i1 w+ K& u0 x- T6 }7 | - unsigned int e2prom_cmd_sub_addr;* b+ v. d/ ?; \5 E; s! ?, L
- unsigned int sub_addr_count;
0 h% L7 q% Y" w& Z/ U# K - unsigned char* e2prom_cmd_data;
" P" E, T2 ~/ C: @ - unsigned int data_count;/ p9 K2 E O N7 y& s2 g6 w
- } e2prom_s_cmd;7 D Y5 m) I8 r6 H* h" i
( | b: t/ l% ^- #define E2PROM_CMD_READ 1* Q$ V- }) p" I5 g
- #define E2PROM_CMD_WRITE 2$ X5 P. n& s- @( L' f+ c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid): e) ^, X0 N9 x
- {
p7 U( z) O: D& z( h8 W( Y9 M - int fd, ret;* L5 D$ ]9 h2 e
- e2prom_s_cmd arg;
7 O6 b- ]2 f/ P0 Y) I* r; |$ L - unsigned char buf[0x18];5 C! H# b6 J( f4 k0 x$ h
- * B) z, m9 ~+ _# R4 \
- fd = open(E2PROM_DEVICE, O_RDWR);
1 M8 f; C; o' B8 I# f - if (fd < 0) {
2 S$ F0 x# J. l! s7 Y( C" }0 M - printf("Device %s open error.\n", E2PROM_DEVICE);, q! t9 K* ~5 f; g1 S- C8 b* z
- return -1;
A) m3 X! F/ }7 n - }
1 J& g# n% V* d g5 v3 p - arg.sub_addr_count = 2;) |- X; j* u1 c) X$ s0 [) {/ V
- arg.data_count = 0x18;. _) D* a3 l* f
- arg.e2prom_cmd_sub_addr = 0x290;$ Y' V& H! w [8 `2 O1 [
- arg.e2prom_cmd_data = buf;) J: l; N2 E4 }, W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 }' S; V$ L9 W4 M% F* J# G - if (ret != 0) {8 s9 G/ l( ^; }9 G4 G
- printf("Device %s read error.\n", E2PROM_DEVICE);
; L1 K' `! |- f; i% @- T5 z - return -1;) I) o- h u) P
- }! ~0 K1 g) J% k( w' H
- memcpy(mac, buf, 6);% F% q3 g) H# o5 V6 ~
- memcpy(stbid, &buf[6], 18);
( e8 @: F; O% ~, k1 `2 E$ A+ ?+ r - stbid[18] = '\0';
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- return 0;
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! }* G! ]2 ~3 R0 |, h' N! u* Y- static int writeparam(unsigned char *mac, unsigned char *stbid); K$ A0 O, F; k) }0 Q
- {
# o# T5 z& `- F8 v - int fd, ret;
5 o% a# w# D" v% S - e2prom_s_cmd arg;
5 Y; Y3 ~5 @# P - unsigned char buf[0x18];9 I7 W8 {( |- D( ?& T- V! b9 o% U$ _
+ j2 ~! |) q" P$ o1 N! ]- memcpy(buf, mac, 6);
9 Q7 h1 S0 y+ Q" J& T" D6 R - memcpy(&buf[6], stbid, 18);3 B$ a/ ]6 B6 R4 N
- fd = open(E2PROM_DEVICE, O_RDWR);
9 L% G" U1 X( B7 ?5 V - if (fd < 0) {
. G2 `: [' B0 o, ^! F# [4 T - printf("Device %s open error.\n", E2PROM_DEVICE); R7 V# }$ P/ Z7 Q7 I6 {1 W% G" O3 y
- return -1;5 C' A* `9 }7 y
- }
# N# n" m* e- O8 E - arg.sub_addr_count = 2;: e% ~5 {! x G, q* v# }
- arg.data_count = 0x18;( j$ L5 [, [" W2 J$ l
- arg.e2prom_cmd_sub_addr = 0x290;
$ S, K6 X% F5 Z' T7 O) k: Q - arg.e2prom_cmd_data = buf;* c" h: Y+ `; ]6 Z4 N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ p; m& E2 J- h0 E: u* X1 ?3 g; m - if (ret != 0) {
+ R0 X/ W* n+ j& c- } - printf("Device %s write error.\n", E2PROM_DEVICE);
7 t) S' t: h( j/ x9 v+ N/ {% A - return -1;' ]+ N0 E9 {: g3 \* \. j+ }
- }
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' D: s1 f2 U5 Z0 q. n/ f5 c2 Z n- return 0;% m' Y: _6 s& e. [' o
- }
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- int main()
0 y) f' A# ]" ^! W - {# J% f1 l" Y4 ]) ~2 c b
- char c;4 Y! \1 a6 E4 @) g5 E" m- J
- int i, macs[6];
' p9 `+ L" t' X) C' ` - unsigned char mac[6];6 f3 f& D1 M2 }
- unsigned char stbid[256];
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& N# ^" S4 R$ w" j, }; [- if (readparam(mac, stbid) < 0)7 i* F: I- j3 |; f
- return 1;
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+ t% L9 @: z0 a* `& T! L- printf("Current parameters: \n");
, N. u0 Y, ]5 ~$ l: H% D5 h+ | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 k; j5 u; P* I8 ]0 L+ m6 w! m
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# }6 h& |2 i; {$ C8 \, z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ |# s- [& _$ t9 [2 Q - printf("Input MAC error\n");
0 U: C' ?! n0 v& G* Q - return 1;0 \8 w+ P- E6 P
- }0 u2 P" b7 u4 k( P3 Z# H$ z
- for (i=0; i<6; i++)mac[i] = macs[i];
; c8 w7 ^8 O) o' O2 ^- C - printf("\nPlease input new STBID: ");7 f1 L( b- x a6 f6 Y" A
- scanf("%s", stbid);
4 [5 Y2 E) S, U$ u' g5 D - if (strlen(stbid) != 18) {# Q- H4 W& \) t" Y5 R5 r3 A/ ^
- printf("Invalid stbid\n");
+ V$ l. c; n& f! U. m - return 1;
5 I, p4 d, M6 o1 x& v% l2 B - }1 b. O+ [4 b+ \# g/ K I
- printf("\nNew parameters: \n");7 Q9 T5 m- T5 }* H: H; ~' R" [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 D! D+ `( a( b3 {8 t# a' c. v7 }
- printf(" STBID: %s\n", stbid);* F% L! t/ g5 ~! I: D. _3 y3 s; [
) d* b) I! J6 L* u8 R, M/ f, P- printf("\nDo you want to change paramemters? (y/N) ");
, K& m5 B/ q( S; q - for (;;) {4 w# J {7 t! \* x6 S+ h3 V& G
- c = getchar();
4 N. I! Y% t5 _+ l - if (c == 'y' || c == 'Y')% y$ r; d! l$ ]
- break;& p6 N6 Q( n8 K+ e
- if (c == 'n' || c == 'N') {, ~) ^9 m- }! D0 z
- printf("\nAborted.\n");
: k2 F% T4 d3 Z: o - return 1;
, |0 B N4 m- D5 ] Y; N - }
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- if (writeparam(mac, stbid) == 0) . G7 F' j5 H; h2 c
- printf("Parameters changed.\n");; j" E, {: T1 {. f: w" O R
' v4 u+ l2 I, [% F; v! O7 h- return 0; l. q: S' M, V* w
- }
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