本帖最后由 0522 于 2012-3-21 23:04 编辑
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" T9 Y! o( s! M; l修改的代码早有了。到今天不会编译。
) J/ o& ]- S' c) J" c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) q, ]: n1 f* f; n% x& }: O4 E t - #include <malloc.h>
! |! l$ J$ ?$ ~8 k4 j - #include <sys/types.h>, w, Z8 p+ u$ K& B& E
- #include <sys/stat.h>
4 z: X1 b t# H( i3 ^6 ] - #include <sys/ioctl.h>
( O, y! r; _2 T- Q - #include <stdio.h> c$ p/ K) w, a& |
- #include <string.h>
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- typedef struct {
4 B; k+ {! ^# u' x/ K' v - unsigned int e2prom_cmd_sub_addr;2 a5 c% ~; d* C' b- H
- unsigned int sub_addr_count;
/ N# X: n$ M( V- D6 Q - unsigned char* e2prom_cmd_data;
* K# k) q' y4 n! y( `; E - unsigned int data_count;
$ x8 q& ]; E3 | - } e2prom_s_cmd;# l# g) R4 w! Y3 a# _# V; G5 J
6 E2 R( S2 J7 f# Q* Y4 S2 {- #define E2PROM_CMD_READ 1
- I2 C# x: ~/ j- [( u# x8 D - #define E2PROM_CMD_WRITE 2" J- J/ A" F' i, Y6 c: o4 y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)3 @, e7 S% i6 O+ y' ?; p
- {
3 i: _; b" ^* u - int fd, ret;
4 c3 `5 D: u0 d- u8 I( H0 Y# G - e2prom_s_cmd arg;
9 L# @9 ^5 v3 F5 v7 l/ Z7 F - unsigned char buf[0x18];9 |1 ?& c5 b P* b6 z0 |$ [3 ?
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- fd = open(E2PROM_DEVICE, O_RDWR);0 D2 C7 y( _; I, K8 y
- if (fd < 0) {# X( Y: g& [4 H. e6 |
- printf("Device %s open error.\n", E2PROM_DEVICE);3 @: L: B8 Z% a6 O# M- j- j$ z5 H: v
- return -1;1 m6 f& u$ [- ?6 u
- }
9 A9 h+ L/ g) S0 N) G2 ^; q - arg.sub_addr_count = 2;
! P6 A* X: B( H - arg.data_count = 0x18;+ G, r9 X9 B8 n- o
- arg.e2prom_cmd_sub_addr = 0x290;
" K: M- ]: @( y, K - arg.e2prom_cmd_data = buf;
! A# o I5 r1 V$ s6 a% b4 l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- ^/ [7 r* Q7 N- l% n' m8 I6 _
- if (ret != 0) {
. B$ X5 M1 E/ w: r1 o8 X3 A - printf("Device %s read error.\n", E2PROM_DEVICE);
. k9 c! ? i/ z& I. k/ h* H9 t5 B - return -1;: x% I2 ?9 R- G% C/ Y7 `
- }
' h/ e6 ]5 O3 E( f - memcpy(mac, buf, 6);
" |. \4 r7 g% i7 ~3 ]( g+ ^7 r - memcpy(stbid, &buf[6], 18);
5 x/ c, A) X! N8 W& } O$ ]# D, O - stbid[18] = '\0';/ j" i8 z# E7 L8 X+ D/ j( K
( K$ H1 e+ n. r% K/ a- return 0; f/ f$ p- ^, n- b
- }. {' O. h% u) q0 j
' i9 f2 K- t" g j* d1 ~( p) {) g- static int writeparam(unsigned char *mac, unsigned char *stbid)
; s g, L j% B$ E2 V+ I( V7 [ - {
2 m5 q4 a- ^: z1 w. g' v ^9 G - int fd, ret;; L9 z, Y1 j: H. |' x
- e2prom_s_cmd arg;
8 g, h' Y2 k* B, N5 y r e - unsigned char buf[0x18];
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2 q# Q! r! B e, U! p* P1 X- memcpy(buf, mac, 6);
* k) O$ Z! }. m8 F - memcpy(&buf[6], stbid, 18);& a! {4 |1 _" f/ s, R
- fd = open(E2PROM_DEVICE, O_RDWR);
5 G+ O4 }2 b0 o5 P - if (fd < 0) {
+ d& Y5 m6 A$ K, X0 x - printf("Device %s open error.\n", E2PROM_DEVICE);
$ m+ r# h- E6 F. w - return -1;) g7 c3 l7 M1 E2 r0 l" h" R: K
- }
( b9 x1 n7 e; a) V: S9 W5 o) B0 z - arg.sub_addr_count = 2;' e7 w2 ~4 Z9 e5 ^
- arg.data_count = 0x18;8 B7 G9 C, D, `$ o
- arg.e2prom_cmd_sub_addr = 0x290;$ t: h8 p$ y1 h* U
- arg.e2prom_cmd_data = buf;
& ` \$ N& e" E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ E: q# o& X2 E - if (ret != 0) { U9 V2 C3 b7 I" f( v9 R
- printf("Device %s write error.\n", E2PROM_DEVICE);! y; E1 ^4 P* Q# b
- return -1;
* n5 G- i1 @6 h# {: B - }
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$ s" U* z; H. _ N- [- return 0;
! r1 @* ~+ R: k+ f. G! \* h - }
+ q" u! e' b8 m/ n
: h+ V7 A9 J- t: J1 Y- int main()# G, a2 X0 u7 z( A
- {
" T+ v/ Q$ D/ z2 h5 s - char c;& L6 T* U& B1 L+ J z
- int i, macs[6];+ c( {4 [$ M8 N! z! B G
- unsigned char mac[6]; i8 y+ f! `$ @) A J
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)+ `, w" C' s+ `
- return 1;+ [2 k1 b. g R
/ V' ~8 s1 {2 |$ i( ~- v. v- printf("Current parameters: \n");* `) x4 Z: {0 X) h, ]! [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 y0 E$ ~- j8 C' z7 U; e# Q
- printf(" STBID: %s\n", stbid);! j4 g% E7 {/ O0 g
-
, C6 K9 s* b4 j! N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' A4 O6 ~" m4 X8 T( _. {. N - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 `! H2 L9 o' j# F: L/ }, o! S
- printf("Input MAC error\n");8 O k( d0 ?* f; Z J, X
- return 1;5 E$ t/ W- E" x: E: ]$ i% {
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- for (i=0; i<6; i++)mac[i] = macs[i];
+ [, W+ O2 a4 m2 z M - printf("\nPlease input new STBID: "); v' R6 w& {; z
- scanf("%s", stbid);
8 B2 h% x" D. M" B6 u" J1 u) b - if (strlen(stbid) != 18) {4 x$ {! e- j% l2 Y& A
- printf("Invalid stbid\n");! {. V6 ]4 E# d, T0 Y5 ~; e9 F" L
- return 1;% L- i# ~1 Y% d- J( d" P/ U- }
- }( ~: w0 X. X3 i0 |( q5 a6 {
- printf("\nNew parameters: \n");
' u3 \9 U& v/ u1 J+ [% n$ S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ P$ T# L3 f7 ^" }( }
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
8 l$ h% A4 j# F9 F7 Z! J - for (;;) {1 M+ t8 T0 O" q/ d5 G& k& G
- c = getchar();
( |' h7 E h. K0 K# Q2 W% Z - if (c == 'y' || c == 'Y')3 M R4 _5 q$ ?* n
- break;
; X' Q7 F* D$ Y: D3 t; D! ^" ? - if (c == 'n' || c == 'N') {7 ^# y9 k. U) d3 e; x) h( P. I
- printf("\nAborted.\n");
5 [% h, D' a1 E/ `4 F - return 1;2 W6 Y8 y( H0 _
- }# g8 E8 p" S: n2 H5 }+ T
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- if (writeparam(mac, stbid) == 0) # m( w' d7 \& o
- printf("Parameters changed.\n");
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- return 0;
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