本帖最后由 0522 于 2012-3-21 23:04 编辑 6 i9 W3 M! A' e- a- O. E6 k5 O* T
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修改的代码早有了。到今天不会编译。
Z7 z/ M- F% Q' I! D3 a1 | F- }. c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& c. `& T" q) k" q9 G' W9 @$ ~1 j - #include <malloc.h>9 n" ^/ q9 Q7 m
- #include <sys/types.h>
, i6 G" A- {. Z0 ? - #include <sys/stat.h>) R1 M) K3 Z% k& k
- #include <sys/ioctl.h>
9 W& u. n4 C6 G9 R - #include <stdio.h>" ~( j5 k8 `" `6 Z4 r$ ?
- #include <string.h>
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4 O- e0 z$ ?( ?3 K4 @& r: w* i& E/ Y- typedef struct {
* H( H: l( [. v - unsigned int e2prom_cmd_sub_addr;& u9 k( U% X% s/ }
- unsigned int sub_addr_count;, v1 C0 V$ a' f( n! u
- unsigned char* e2prom_cmd_data;6 k, Y* R$ Y9 I7 J, ]. }
- unsigned int data_count;! y* m3 G7 r' T0 W4 x3 [
- } e2prom_s_cmd;2 z. y+ ^! [4 s$ R, L
- + @. d- f U: w
- #define E2PROM_CMD_READ 1% { C3 F+ ]( `+ ~$ E1 ]. o
- #define E2PROM_CMD_WRITE 26 H* y: d/ h* v' ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# |; Y) e7 Y" j e( N& A
5 H4 y' `3 @2 k6 x* o# m0 w- static int readparam(unsigned char *mac, unsigned char *stbid)( ]/ Y& p! a# y9 V( t
- {
$ k# m& A1 S8 E& R8 b - int fd, ret;3 ` \* A" O$ c
- e2prom_s_cmd arg;
+ \/ z3 G! J: ` - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
* ]6 ?* M1 G3 ^6 j6 o# h+ e - if (fd < 0) {
, c( K4 c( |7 v5 z8 ?3 b - printf("Device %s open error.\n", E2PROM_DEVICE);
6 i$ J: |9 B6 _+ [7 | - return -1;
: t9 G. I1 l$ f3 U4 l - }# Y( m# w8 O. U$ p1 y# N- E: j
- arg.sub_addr_count = 2;
8 u- P" v9 R* y - arg.data_count = 0x18;
, d5 P" R: c% b& X( S; i% ? - arg.e2prom_cmd_sub_addr = 0x290;
# W, H3 Y8 w# m- \ - arg.e2prom_cmd_data = buf;/ O, U9 X5 W7 P& n# C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 b$ l n' X. e" p9 p; d& {; ~ - if (ret != 0) {, Q* K2 M+ [2 O
- printf("Device %s read error.\n", E2PROM_DEVICE);
) H6 _5 k5 }/ ~0 H/ G - return -1;4 z$ H' U& J" w! @; i4 |; E1 O
- }
* N9 w$ B1 G6 [. P5 {5 } - memcpy(mac, buf, 6);
( s, N% o N1 H, K* m - memcpy(stbid, &buf[6], 18);1 \; i7 C' ^1 i* o3 p) h0 L7 v
- stbid[18] = '\0';0 ~6 B( S; `" S) L4 L
0 W# I# F3 v; g) B8 T$ u' D* ]- return 0;* h9 k: [1 `: t2 W
- }3 x) {6 Z' f6 U! @9 V
: K+ i5 E: A1 l# A# z- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 P2 L# m6 `4 H
- e2prom_s_cmd arg;- ~3 N) E( H' K' B
- unsigned char buf[0x18];( e8 W) i0 i& n$ H8 x( i0 j' |
- 8 V9 V! w) M2 c6 r
- memcpy(buf, mac, 6);
# c) B4 W$ T9 l: o - memcpy(&buf[6], stbid, 18);# r4 [+ q2 M- C& ^# z5 A; `
- fd = open(E2PROM_DEVICE, O_RDWR);
4 l( `2 z; |% P1 H! J - if (fd < 0) {
! h& e- {* V. ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
2 `" Q+ M3 X3 g, x8 u. [+ s - return -1;5 V: a; w* [7 A7 X; e/ `7 _
- }% J0 H; l5 C% `
- arg.sub_addr_count = 2;
' u" w; ]8 I S+ h( B8 c% d1 J' j3 X - arg.data_count = 0x18;9 p- b0 a( k6 Y0 `
- arg.e2prom_cmd_sub_addr = 0x290;
* W* |/ k3 M0 I* j7 {& k6 Y - arg.e2prom_cmd_data = buf;
" W# V; n* C# U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! ~! x+ M; {( G" h& h, P! W2 W - if (ret != 0) {
0 X- o0 P3 h1 @( u6 o8 B3 T/ S1 K - printf("Device %s write error.\n", E2PROM_DEVICE);6 u8 I4 K" X% F9 F; u: S- i
- return -1;
* U& w5 ?0 H1 q8 [8 A m* ?$ X - }
6 {# \9 q7 h' h
4 I' [0 |0 G) K5 n+ @& m: g- return 0;5 G. S. Y6 ^1 u/ d5 _
- }
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& r- N: _8 a* x6 }! m7 P- int main()' @) R, y1 y6 t$ N8 a3 N6 ^( E
- {( z3 s0 q3 |+ x. t) V
- char c;8 g5 `* p1 J0 i" w
- int i, macs[6];
8 W0 n3 ~ [- f q0 {0 T4 a - unsigned char mac[6];
$ g0 B* X. t$ K5 \$ Z - unsigned char stbid[256];
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" M& s' C a8 v5 l5 u; ]9 I: W; N- if (readparam(mac, stbid) < 0)3 D" Z n, M( n+ K- u/ g! I2 k7 n4 y
- return 1;
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# v+ j7 P" B! `; @- c+ v! C* L" S! R- printf("Current parameters: \n");6 n1 ^; u4 ]/ {) |& h( t+ W. p: K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 T: {1 p# h; y! M, B* x - printf(" STBID: %s\n", stbid);
$ T& n2 y! h; p& p e1 P5 w% s% @$ Y -
& N) g1 i! W$ z. p7 s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ m6 m0 m& Q+ v8 E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 ~! S+ e! k) x
- printf("Input MAC error\n");+ z- e' G7 L3 }/ E9 G2 Z
- return 1;
* G% a0 V. a! ^; l# ^, J5 b, r - }) b& V% J) H4 F) Y( ~. m+ a" u
- for (i=0; i<6; i++)mac[i] = macs[i];
7 d% l- r) {7 F: y4 z% v - printf("\nPlease input new STBID: ");. T0 u/ h! X1 J- Y8 z
- scanf("%s", stbid);
& W! i& e2 z: [3 k+ i ~8 l8 \: n - if (strlen(stbid) != 18) {
5 \6 m8 f4 Y2 k7 x5 J+ m/ a* | - printf("Invalid stbid\n");% T [! V) o/ Y8 F# V0 F
- return 1;" f$ S4 G! l" S8 Q2 ]
- }7 Z: Q- G4 ?( s& n
- printf("\nNew parameters: \n");2 @1 e- |/ q/ p* {: z* Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, F7 ]$ F) B/ X
- printf(" STBID: %s\n", stbid);
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/ ^3 k1 o0 p; ^. \1 x) y6 z. s4 g- printf("\nDo you want to change paramemters? (y/N) ");& P6 X* @# g, @& q
- for (;;) {; S$ f ?: A/ _/ \" Q0 ~- |$ X: L
- c = getchar();
" d m9 I7 u) a& s3 ?; R - if (c == 'y' || c == 'Y'). M% i1 }9 B% a9 {. D0 _
- break;
! Z% z( [7 l P- f - if (c == 'n' || c == 'N') {
+ K8 N! f% w% A) g7 U; k4 s - printf("\nAborted.\n");
- N' c! |* o1 d2 O2 H9 R5 K3 c% B - return 1;( s$ l t7 S/ }; q3 ^; N
- }' n4 ^1 B0 K* d
- }- N& S+ S- j2 A" v5 u( m
- if (writeparam(mac, stbid) == 0)
# H' L, Y R7 [8 e3 y" c - printf("Parameters changed.\n");
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9 P1 R% E- z$ K' y7 i& g& r3 V- return 0;1 O6 s6 K, ?+ b# m) V5 X; I& j8 r
- }
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