本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
# l; x: G! p+ _) q `6 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ q2 e v" U) ^5 `# y - #include <malloc.h>
- j7 |- K2 n, b# _: | - #include <sys/types.h>
$ h) H4 x% u, @; U - #include <sys/stat.h>
1 q' m# {* _ K- D: D$ W - #include <sys/ioctl.h>0 q, v! x4 A/ ]( v
- #include <stdio.h>. q K0 a$ y" y' F- b: t* }; ^
- #include <string.h>
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7 H: Y$ B$ D# \3 W3 }- typedef struct {4 p! S0 p+ u0 m9 ]. k- u3 n
- unsigned int e2prom_cmd_sub_addr;
" Y2 u) Y4 z, j" j" N0 u6 Q - unsigned int sub_addr_count;
2 B7 l) {0 I; A0 |* I! U. ` - unsigned char* e2prom_cmd_data;+ N" z* p6 F% l. Z0 D( Y, K9 Y
- unsigned int data_count;# d! z7 e8 T% F5 @6 y1 p5 r
- } e2prom_s_cmd;
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+ c. O; x/ A4 Z; g. E j- #define E2PROM_CMD_READ 1
, t3 I) V+ b0 p - #define E2PROM_CMD_WRITE 2$ i1 N0 `2 [/ Y8 ^- e
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", n. R7 D/ Z( A5 P# y
- ( y- f L8 Z% {. v+ u4 i
- static int readparam(unsigned char *mac, unsigned char *stbid)' G% _( U/ i- K5 n8 P$ d# e8 P: H
- {# l' K: s7 ?3 X, r9 m+ P
- int fd, ret;
+ J2 D S- K1 m# _3 }" r" j2 y! j - e2prom_s_cmd arg;
- h2 k$ B0 t( F" R- I u - unsigned char buf[0x18];/ Y6 w0 U( l; d; Y2 l
- $ d; \" G6 ~# e! z, a0 `2 c4 ~
- fd = open(E2PROM_DEVICE, O_RDWR);% I4 F4 O. r9 W- K! H/ I; J) y
- if (fd < 0) {
, l. W2 p" w& v- ^. k - printf("Device %s open error.\n", E2PROM_DEVICE);: u5 q8 L4 p. h/ A- W! M% _
- return -1; f8 K% J) B/ F0 n$ B
- }
9 i4 `/ N' ?# ?' P$ y/ E - arg.sub_addr_count = 2;2 l; z# |8 a0 z+ R' s
- arg.data_count = 0x18;
* E+ Y6 N" X: Y7 Z0 w# w - arg.e2prom_cmd_sub_addr = 0x290;; Q5 M- N) Z5 ?6 `# T& v# h
- arg.e2prom_cmd_data = buf;
0 J# d6 Q* I |: \/ [: d( F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ ~9 w* d5 L( o8 ]4 w# |- |5 f4 Z( p
- if (ret != 0) {% M8 f1 t) j$ [+ K$ v
- printf("Device %s read error.\n", E2PROM_DEVICE);$ T9 j5 d; w, f" D" E
- return -1;
. p& p8 F( I8 |/ X& d% N4 C - }
$ a! A5 D5 w! g" L, v - memcpy(mac, buf, 6);
5 v2 I& M; A: o0 h - memcpy(stbid, &buf[6], 18);* a% v' r3 h7 S' C8 M
- stbid[18] = '\0';
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' K( _# m% X: ^" _* ]4 F- return 0;
: o5 r3 c" d5 n+ i - }
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# ]* {9 x$ w, z( L8 E- static int writeparam(unsigned char *mac, unsigned char *stbid). y2 t0 v8 Y0 G/ B
- {
7 ]5 X+ Z* ~8 |$ r) h6 g - int fd, ret;4 ^/ h; T' @" m0 i9 l# t
- e2prom_s_cmd arg;; {- i, {6 R' A* _/ Y( v
- unsigned char buf[0x18];
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3 f" T# r. n8 I0 C( I5 a1 P- memcpy(buf, mac, 6);
8 B' d- k2 }/ n9 L! p& w) J" K5 O: e - memcpy(&buf[6], stbid, 18);8 e. J0 R( U1 }
- fd = open(E2PROM_DEVICE, O_RDWR);0 h' G9 x: T( d$ G
- if (fd < 0) {# n( K2 |' g- }* ]2 J
- printf("Device %s open error.\n", E2PROM_DEVICE);* l( @5 d1 i3 d/ v5 E" \
- return -1;1 S1 N+ Z5 k- R2 i" t2 |
- }
* q8 k% R8 p" a% ^9 ~9 \ - arg.sub_addr_count = 2;& v+ c" R* X9 |. l& c T" J3 f
- arg.data_count = 0x18;/ L& k$ M. t* c4 |; A8 J" q' K
- arg.e2prom_cmd_sub_addr = 0x290;
9 _; `6 i/ S8 @7 w - arg.e2prom_cmd_data = buf;
3 ^) p- i6 p! G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ M; _. }8 c% X8 A0 o - if (ret != 0) {5 m+ N! ~ ~6 @& b1 Y4 v9 l$ Y
- printf("Device %s write error.\n", E2PROM_DEVICE);, U, T4 H" K+ Z! E9 E' d, ^) G
- return -1;8 e3 ^# ]9 }3 O0 T- T8 H
- }
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8 d' K8 j/ S; U- return 0;
# K7 m8 z* t5 T$ L/ h m8 m, h - }: G( ?: O& m u9 x
4 X+ g- r; t& E; ^9 h- int main()% V5 i4 e' w- p4 Y: M( l- Y7 \
- {7 o% A' t& W: E& P$ q
- char c;
& ~8 G% R! I4 a* Z i/ }6 F) m3 u$ b - int i, macs[6];
+ m' Q5 {; L+ Q - unsigned char mac[6];
) ?" Q& r% J. O6 h6 k0 o1 K4 G9 j - unsigned char stbid[256];
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- Y1 t$ L- s8 [1 B- if (readparam(mac, stbid) < 0); [# t8 w3 ~- n& z
- return 1;1 S7 U0 j3 B/ q9 w) x ] f
5 F r3 l: ?& D# b& f% V K: w- printf("Current parameters: \n");
$ g! H: G) S: }8 t$ X' q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ G/ g; i1 H1 f9 A# K7 R - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, P. {# [! ~7 R3 p4 y) P - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 A4 w! i8 `$ S - printf("Input MAC error\n");$ {# e6 _) Y5 p6 n9 u! t
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
1 R. B# V; s' W7 x - printf("\nPlease input new STBID: ");
4 E& ]/ U- C: T - scanf("%s", stbid);2 `! p/ H9 }( T9 S# S
- if (strlen(stbid) != 18) {
# P: |; N ~3 B - printf("Invalid stbid\n");8 P- G9 |% A. k- y6 i
- return 1;( P$ f3 l0 ~' r& [, H) g" |8 B; {
- }5 ?" D. x4 O8 Y: _! T
- printf("\nNew parameters: \n");" W4 N" K, s7 X- p2 E H7 Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& K; }; Y W, p9 r - printf(" STBID: %s\n", stbid);) w9 s' z, {6 W! v+ M5 Q
- 8 m# P6 D# B2 o. H1 G) n3 k
- printf("\nDo you want to change paramemters? (y/N) ");8 r# A: }* R r* O! @0 D, A
- for (;;) {7 S5 ?0 C3 M" `: d' V3 V' P
- c = getchar();8 w+ `4 L0 _ [
- if (c == 'y' || c == 'Y')! E- Q! h% Q, D X" V" {( D" k1 f9 ?
- break;, `# ?3 i: n- Z. @5 Q. ?- u& S5 I# v
- if (c == 'n' || c == 'N') {# g" h$ f* ?: P
- printf("\nAborted.\n");
) |1 Y* @9 X' O' j6 N - return 1;
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- }% b4 }6 A/ b7 v
- if (writeparam(mac, stbid) == 0) : J% E$ S7 x7 r8 b! s7 f4 Y4 }
- printf("Parameters changed.\n");
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- return 0;
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