本帖最后由 0522 于 2012-3-21 23:04 编辑 2 P0 ~1 z/ H! @5 m5 u. @& D' M
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修改的代码早有了。到今天不会编译。
' j6 O( }+ E" [( c- ^' i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) h0 O* k! S+ [9 r+ S" ^, A* ^
- #include <malloc.h>: @/ S1 }# F" V
- #include <sys/types.h>
' Y: h, b5 f V( s - #include <sys/stat.h>
" }! y5 Z& @/ W, F- M! L - #include <sys/ioctl.h>
- P- ]8 t9 U6 e: g& E& G% d# j. s; T l - #include <stdio.h>1 E" H) H ?5 K# x
- #include <string.h>+ V% B) B- i8 e
- % z1 k4 ?! u1 E/ _9 {; C. r
- typedef struct {
) P8 ^+ n4 u/ i* J6 a - unsigned int e2prom_cmd_sub_addr;# j+ }7 S7 B/ L
- unsigned int sub_addr_count;
' I$ h J$ h# ]- P - unsigned char* e2prom_cmd_data;
# v) h+ o. g# D V. {: t% n - unsigned int data_count;3 r% H7 q1 M# ?% ?0 d
- } e2prom_s_cmd;
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# a# D. Q, `: u- #define E2PROM_CMD_READ 1
: n# ]0 e* o0 N0 q( }6 n - #define E2PROM_CMD_WRITE 22 s" l+ }- S' o. S1 X- L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 [: ~' Y% m3 ?8 J4 V4 d" q- static int readparam(unsigned char *mac, unsigned char *stbid)& c/ d E$ T0 [+ a2 P( s. m
- {8 h) o( }! F+ `( e/ l7 u
- int fd, ret;
$ D5 R+ t+ L6 F) _ - e2prom_s_cmd arg;
( E6 [+ c) w* Z& o7 n: E( b, D - unsigned char buf[0x18];
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m% @% Z1 A. v/ D- fd = open(E2PROM_DEVICE, O_RDWR);
1 g/ ` R$ \' U* L( @* W - if (fd < 0) {, R1 A! Z' [) a: ]
- printf("Device %s open error.\n", E2PROM_DEVICE);$ Z, A: k4 i+ n# l; v2 K- h
- return -1;
# s f+ H* D" @0 _( { s - }
6 Z' l5 O$ L. z9 y. y& ? - arg.sub_addr_count = 2;7 R [ Y% ]9 M- Q3 h+ O1 _$ X+ I
- arg.data_count = 0x18;/ F% ~7 ?" P4 O* z" n. P! M
- arg.e2prom_cmd_sub_addr = 0x290;
5 ^, K5 H- `' z" O% w+ _. ]0 c - arg.e2prom_cmd_data = buf;; \/ [0 _0 Z) h& c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);' q" c( d) T" I# ~& d, ^( i. n0 I
- if (ret != 0) {
6 v% y5 k+ R7 J- S1 i - printf("Device %s read error.\n", E2PROM_DEVICE);$ L. t: A. D, B0 U" r
- return -1;
" g, r) Q1 I6 Q4 ` z - }
) C5 v8 m( r" t: D' D- U, W: F+ n - memcpy(mac, buf, 6);
( r; r: K3 f/ i- @& ?! Y6 _ - memcpy(stbid, &buf[6], 18);
( c( r; ] k, q) Y( V; a5 [ - stbid[18] = '\0';
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4 t! A) [3 u; R! f- return 0;
' `7 @( K* b* ?8 }; M3 n0 C, P - }3 T y( e1 H! \7 y3 @
; U/ c- V2 h$ w' n1 X- static int writeparam(unsigned char *mac, unsigned char *stbid)
! v% Z7 S& x$ E8 y; R0 Q - {
0 M. `! L K9 M# q/ J* V; u - int fd, ret;
) A" [ g! U3 Y2 F+ p - e2prom_s_cmd arg; f4 U z1 L( `8 q# ?* P3 \
- unsigned char buf[0x18];0 r$ f# h3 A2 r- T q2 e7 ]
! ]8 p/ Z* A8 A/ w8 J- memcpy(buf, mac, 6);
8 `2 U4 b& [$ r - memcpy(&buf[6], stbid, 18);
- K) }! L) ]/ N0 p5 U: n& y - fd = open(E2PROM_DEVICE, O_RDWR);
1 b) c" A( f0 S) h3 Q. a5 c - if (fd < 0) {2 y+ z& e! \. |* z7 J/ p
- printf("Device %s open error.\n", E2PROM_DEVICE); F9 S) c! V# D& e O5 I" p
- return -1;
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- arg.sub_addr_count = 2;
$ }) |$ u- Q5 A) I - arg.data_count = 0x18;! \1 S8 w# I/ q4 C+ q5 u* w
- arg.e2prom_cmd_sub_addr = 0x290;
1 a u) |: B, T& |. F4 ^8 u5 Q- u3 W - arg.e2prom_cmd_data = buf;
( W+ ^& m! p* B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! w S; C& q7 I# Z, k
- if (ret != 0) {- E, H% `5 R5 O9 }- u
- printf("Device %s write error.\n", E2PROM_DEVICE);
& ^/ U9 C5 \3 O/ ]3 C2 m" B( M3 J6 n - return -1;
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- - i( {) p) K3 F: o- L0 T- X {
- return 0;
; b# l" ]& h. Z% q/ _ - }
- n7 `3 T; w( y; \1 `
; C+ c& v! n0 K1 C* l" O9 y7 p& H8 v- int main()1 t) N$ ?5 O4 G1 d1 t/ s
- {
# F1 P1 s L/ N/ s - char c;
9 \, k2 a$ C6 i4 j6 Y" s' k5 A1 {7 O - int i, macs[6];9 C# [$ h5 T) l6 L" P, ` u0 V
- unsigned char mac[6];
3 I# k2 i& [4 d( ?$ K2 R$ P - unsigned char stbid[256];
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I4 L2 ?8 d6 k5 ` T! u( X" O- if (readparam(mac, stbid) < 0)
$ M- M4 S$ Q2 s. Y8 b/ ^ - return 1;7 x" \ ~+ x& ?0 m! Y' _& w0 S
- $ e% `2 b- ^5 s0 j- R
- printf("Current parameters: \n");6 _7 v7 |* }; v# K! b1 A+ [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; f( t2 W5 ]+ y% o7 F! t/ ^
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( j3 F5 r2 O2 s2 M: c/ s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) h5 S& M3 @ ?. g6 Y - printf("Input MAC error\n");
+ F& L% F2 L2 f+ }3 p - return 1;
5 {- X% |5 k. u0 T$ p- I! Q. Y - }
- D, v7 l- h- i9 D7 B - for (i=0; i<6; i++)mac[i] = macs[i];( M. \6 M0 J$ e9 p
- printf("\nPlease input new STBID: ");
# S# c m, A3 k - scanf("%s", stbid);6 p5 q! ^1 Q. M% ` _% i' ~# G7 B
- if (strlen(stbid) != 18) { w( h: s0 z9 f) ~% T! i# G8 m
- printf("Invalid stbid\n");8 e6 [1 c$ t+ o! a
- return 1;
1 ]& U9 C, M6 E3 q& \ - }
" e# o, v8 ]! X6 B# o: H* l6 i- l6 t! A - printf("\nNew parameters: \n");
2 c }4 p4 N9 N) |% [9 m4 \9 T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ x/ ^2 J7 m* J k7 C - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
- `* N9 z" l, d& k$ q9 F: k - for (;;) {* V6 S/ W% y/ Z5 ~6 s& D
- c = getchar();
. d6 _) u0 V l2 F% j* X - if (c == 'y' || c == 'Y')7 N) y5 V1 W$ f% M$ A8 [, X1 y$ C
- break;
6 K+ q+ J' @5 O# h - if (c == 'n' || c == 'N') {/ I! |8 r& Z$ x/ z) z3 p
- printf("\nAborted.\n");
( q* Z j3 Q: g. z; | - return 1;# n0 [1 j; j* X) b1 c' X
- }& x* h+ L" s: q! t: |
- }
9 O" t0 ~$ Q- F - if (writeparam(mac, stbid) == 0) / A, Z7 ~& o# a+ C, z
- printf("Parameters changed.\n");- c4 R6 A& O) f. i0 D9 c
- W+ W4 @- Q0 {8 P1 n- return 0;
& U9 P' o1 K. |2 } - }
复制代码 |