本帖最后由 0522 于 2012-3-21 23:04 编辑 8 i% j, e- n. {5 S9 G \& _
+ J$ z( L, m' P修改的代码早有了。到今天不会编译。
0 Y8 M6 f% ?1 X* U9 P0 v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 V) E/ d8 _, G# m- Z
- #include <malloc.h>
1 E. z; r+ U" j/ n4 f - #include <sys/types.h>5 a' n6 x% L/ y' a& W+ I4 t! f
- #include <sys/stat.h>! _, W/ t8 m$ G; B/ F' G3 ]6 t# R
- #include <sys/ioctl.h># n5 O d [2 X$ Z, n! j+ m* n% x6 i
- #include <stdio.h>- p5 k! H5 G: j/ _& q* ]
- #include <string.h>
2 s! n1 J$ {" ]# v
% E6 o1 P/ v+ E5 Y! f, L- typedef struct {. P7 m) F" y* g: H0 c
- unsigned int e2prom_cmd_sub_addr;5 B- i- s+ t% r. T. B$ H
- unsigned int sub_addr_count;
+ e. V# G' A2 q1 h% [% v+ C; | - unsigned char* e2prom_cmd_data;
7 x( S6 i& ?0 @/ q0 O9 f - unsigned int data_count;) J4 {1 t B5 ?7 w- l3 e, V
- } e2prom_s_cmd;, l1 P) v w3 j. m5 t
- 1 K# J5 J6 \8 t! r. |: q
- #define E2PROM_CMD_READ 1
! K: q6 q6 d$ `; k# A - #define E2PROM_CMD_WRITE 27 G% }" r! g ~; f( E; x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 g+ |" w4 L+ O
- 4 h& \: P. |; z! D
- static int readparam(unsigned char *mac, unsigned char *stbid)5 @" Y4 o5 n- `9 y' |
- {
* g1 |. T3 ?/ E( I- B2 Z - int fd, ret;
% C& z7 n3 ^1 J9 t: [! Q$ Y* `9 s - e2prom_s_cmd arg;. B& E" N3 K1 Q! c9 `( y
- unsigned char buf[0x18];2 |1 r! ?# a$ K: S0 i+ t
- 0 A; a9 S+ S# h
- fd = open(E2PROM_DEVICE, O_RDWR);8 S, X+ M6 ~2 l, m
- if (fd < 0) {
R1 P6 `8 j5 U; Z6 o k0 a! K% H - printf("Device %s open error.\n", E2PROM_DEVICE);
$ i, d4 X% s2 V6 j1 L% `. O& I - return -1;
@/ H" q% y; \) N9 @ - }
% o3 w8 R* R" D# Q5 R( U) m - arg.sub_addr_count = 2;
% O+ M+ W3 Q& E: y: f4 ` - arg.data_count = 0x18;, i3 P+ m( d0 c% f$ _& P6 s
- arg.e2prom_cmd_sub_addr = 0x290;
5 L% S; `* u8 \4 o3 M- P; M - arg.e2prom_cmd_data = buf;
0 Z$ o8 B' c$ t/ D! e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# p8 _+ V5 H, c# H8 L
- if (ret != 0) {9 |% I7 E, G o& v% `
- printf("Device %s read error.\n", E2PROM_DEVICE);- q. x D9 B# F, m2 j
- return -1;$ y- `1 @$ [# i) ?6 o f7 \' t$ s
- }
) x. v! l1 g" X8 u - memcpy(mac, buf, 6);
* ^ z& d" Z& ?0 @. S" m) V9 m1 B/ o4 a - memcpy(stbid, &buf[6], 18);
0 k* ~6 z0 N0 o! o+ n" m - stbid[18] = '\0';
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- return 0;, |7 Q& _1 o. b" H2 H. o
- }
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0 m# G @+ t/ q- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( \* s x8 p- d - e2prom_s_cmd arg;) p! j/ E0 L! }2 y3 f3 @
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);" J: p1 @* u, J, ^9 P4 g8 Z6 D+ z8 R3 A
- memcpy(&buf[6], stbid, 18);
- v0 R! }3 J/ X; g0 T0 h+ f - fd = open(E2PROM_DEVICE, O_RDWR);$ X3 M, q: c! T e7 q$ K9 L# |: |
- if (fd < 0) {, a) V8 M, z% Q% U/ k+ m" W
- printf("Device %s open error.\n", E2PROM_DEVICE);0 z3 U& {* X+ Q* d
- return -1;
+ s# \- v+ C7 y9 b; J* F2 z7 L - }6 o* J; k; S; r) s; \
- arg.sub_addr_count = 2;
7 y& `- @( s r1 K: a! \9 F - arg.data_count = 0x18;! l% _( f8 L7 o8 w3 M/ r$ B
- arg.e2prom_cmd_sub_addr = 0x290;- j! j7 B* q& `5 `3 E
- arg.e2prom_cmd_data = buf;
# K! p: v/ ^1 h& Z6 P6 n0 J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 v; O9 }* I9 z H - if (ret != 0) {
4 Q! ^" S! y- A/ P- O% n0 F- f/ Y - printf("Device %s write error.\n", E2PROM_DEVICE);
& k4 q! s4 ]) F, m; _' G - return -1;1 s- J* f7 b1 [
- }" N4 _2 ]9 t6 m* k- `
4 O1 u) S5 d. I2 n2 |0 E% l" {/ ?- return 0;- c6 F4 g8 l! g' m" t) P
- }. R1 H" ~* y" |. s8 {3 y( w
- ( f* d6 O4 [, M( M+ w8 o& c+ |
- int main()
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- char c;
5 p7 J+ y* A* v - int i, macs[6];
4 x# c9 ]0 o( ]/ o5 r( C$ q8 k - unsigned char mac[6];
$ @* u' B ~; x$ r - unsigned char stbid[256];
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O. y+ O" v# A/ l- d4 M+ C' Z- if (readparam(mac, stbid) < 0)! p6 ~+ R& _7 O' a
- return 1;
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- printf("Current parameters: \n");* k1 }3 y+ i" U, N# j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ y9 B6 A& I4 I9 B( a
- printf(" STBID: %s\n", stbid);
$ Y1 n1 V$ g( S+ Z3 I) x - # q4 Q* E* g g3 F
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 ?' w0 T, t6 K( @+ E: Y. e
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 I6 v0 M% `- z: @0 j - printf("Input MAC error\n");
) Z0 C" ?1 D; B. W% ]' p - return 1;
5 g- k$ H5 r6 {( e' B w8 E8 D - }
' G4 ^0 |; h7 H# ] - for (i=0; i<6; i++)mac[i] = macs[i];
& h8 _* w4 L* P0 w9 ?0 r# W - printf("\nPlease input new STBID: ");
' C% p2 {( A/ R7 W! M y2 {+ ] - scanf("%s", stbid);/ s6 V6 w4 J: J2 q$ s h$ W" l
- if (strlen(stbid) != 18) {
- Z/ M- p' d1 O* d6 O- ] - printf("Invalid stbid\n");" \& z# t' |' O5 [: l# g' D( y+ I' @
- return 1;
2 Q+ y; A+ _# p7 ~; x; O. N Q - }7 |! }. J. n, |7 Z
- printf("\nNew parameters: \n");
0 B5 ^6 ?& ]1 V0 x: V: S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! u [9 W/ `6 ?0 f
- printf(" STBID: %s\n", stbid);
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& \& w. a1 U% r- printf("\nDo you want to change paramemters? (y/N) ");
# s+ R$ ~0 c' o/ o j* o; b9 G2 m - for (;;) {
, G6 z* g: E9 x% [2 ] Q9 } - c = getchar();- i* f2 v X1 s- b' o) [
- if (c == 'y' || c == 'Y')
& W6 _. O0 h8 k, B - break;
+ f7 |* m" q" Z/ P - if (c == 'n' || c == 'N') {4 b* A5 D& }: W' Q$ [8 Z
- printf("\nAborted.\n");/ ]& o. x% k* q& U( B) o
- return 1; W% V, R {$ h3 U+ w- b/ G
- }
- L' m+ v' X6 y. G( S# y0 V9 r - }; ]6 J9 {* N v1 M5 h
- if (writeparam(mac, stbid) == 0) 3 S; ?2 Z+ |) r- A% g/ ^
- printf("Parameters changed.\n");
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4 l! d! ~, ^( o: o3 v; w! v- return 0;
4 p$ o: d5 }0 c2 I. n, r+ ] - }
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