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。$ ], ~7 \' ^7 a, L" N
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 l7 G4 a5 F; U/ _0 [0 D. t% z
- #include <malloc.h>3 ^& U! u8 b" Z+ U+ z2 q8 m
- #include <sys/types.h>
! _& f, W3 u H& Z7 q ~ - #include <sys/stat.h>
3 U# G" M5 ?4 j- j" d# V - #include <sys/ioctl.h>: I' E6 n7 L$ \9 F) U
- #include <stdio.h>
" R: ^, ^$ ~9 X/ U$ ?5 j - #include <string.h>7 V" c+ q, M# q, b' Q2 u8 i
: [( k x/ V* ^. e- typedef struct {
Z" S2 P! C/ J! e' f, o: [$ s - unsigned int e2prom_cmd_sub_addr;
5 A3 m& a0 E [' ]# a - unsigned int sub_addr_count;
0 x! I+ D& V6 G3 R - unsigned char* e2prom_cmd_data;
. S7 n1 C6 U1 L! J( c; P) q4 V - unsigned int data_count;
5 h: g/ Z* S, ]9 d) H - } e2prom_s_cmd;4 D. u5 m9 ?2 O# V6 Y( X
; U3 O7 N7 y9 F( J7 M' Q- #define E2PROM_CMD_READ 1
( V: x$ a! I' L5 [5 ^2 O4 r: ]% A - #define E2PROM_CMD_WRITE 2
, S* }5 p0 R% s6 N6 @ M - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ |- P- I9 x0 j% }3 f% Y. C! R0 w
! p+ Z& {5 A9 J: ]* `9 k( d- static int readparam(unsigned char *mac, unsigned char *stbid), n: ^% R) h0 Q, q' y. {" W7 D
- {
' c! a7 i" O9 V* G% D- b. x2 {( ] - int fd, ret;. W4 ^- B# f! K, L. O# k% I
- e2prom_s_cmd arg;, k1 m5 W: I2 e) l
- unsigned char buf[0x18];( L; m: \: F+ L6 x
. C3 Q$ H! D) c h8 U8 D- y" D- fd = open(E2PROM_DEVICE, O_RDWR);# j3 q% t4 g0 X' l( s, b7 Y) n
- if (fd < 0) {
/ J) [4 i/ Q, s+ f% A4 L( h - printf("Device %s open error.\n", E2PROM_DEVICE);
$ Q7 }/ v d0 s/ w0 p0 p* [% d - return -1;
- i: ]$ M6 z2 {9 W* y - }
1 U7 m) a7 i/ c3 ]! H - arg.sub_addr_count = 2;& q5 v& J; G7 a, i% t$ Y3 M9 I
- arg.data_count = 0x18;2 Z: S+ i9 t2 D K5 E
- arg.e2prom_cmd_sub_addr = 0x290;( q8 B+ B/ j3 }+ x7 _
- arg.e2prom_cmd_data = buf;
) \. M" A1 L# b, L5 c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ T0 Q$ m/ E& Z( t9 b& S - if (ret != 0) {! k& g! c+ O# K4 g5 q* x
- printf("Device %s read error.\n", E2PROM_DEVICE);% k) O3 B" q) ?" }2 S, u
- return -1;" N+ T, b- L9 u( x
- }- l* Q- X( N8 a6 b. _
- memcpy(mac, buf, 6);
7 j8 a" F( Z" m0 k" k4 x/ {5 B - memcpy(stbid, &buf[6], 18);4 Z) j s( Y7 ?. ~9 P
- stbid[18] = '\0';
5 N. r" X4 Y) k- M' ~: y* _ - 8 e2 V7 ?( K. m2 E5 I6 b
- return 0;0 G. b1 i3 \" B) [; g) ~
- }* ^& B5 u- A( }' U
- 1 t, S2 \- l3 W9 M9 B
- static int writeparam(unsigned char *mac, unsigned char *stbid)8 y! j9 U$ D, A/ M& O# c0 d4 ]
- {+ A; f/ X% ` Z/ p7 A1 X P
- int fd, ret;
& T4 Y5 Z; w; v6 z9 w$ S - e2prom_s_cmd arg;
9 C" j* u6 S7 O: j# L% W; l - unsigned char buf[0x18];
" i7 u" H5 g9 q8 U/ c2 `/ _
" `& x# T, \- `. _; e: H, Z! S- memcpy(buf, mac, 6);
( w% t" d* G9 ]: ?# S - memcpy(&buf[6], stbid, 18);5 K: z# O; j' e+ V7 ]" M) `2 y
- fd = open(E2PROM_DEVICE, O_RDWR);
) u' R2 ]6 s& b: f! W# M% b/ m! j - if (fd < 0) {
& ^. L; ^- V; F+ v$ n8 g - printf("Device %s open error.\n", E2PROM_DEVICE);1 K# r) c! Q) V1 [
- return -1;& C+ f* i' h: G
- }
( X! ]" b) T) c2 S E+ _ - arg.sub_addr_count = 2;
0 j+ X2 M w. J; s3 X) n: r - arg.data_count = 0x18;" ]0 ~6 }4 X) M: P2 k* K
- arg.e2prom_cmd_sub_addr = 0x290;
9 p" Q( b- v+ n2 n - arg.e2prom_cmd_data = buf;# @9 Q1 c+ X: I, @% K* ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 S( k) N# r1 U# ? - if (ret != 0) {
2 E3 `$ P' @' C - printf("Device %s write error.\n", E2PROM_DEVICE);
, V$ d; k* V4 r" G1 I7 M" j - return -1;
9 {% {+ R9 b% r - }
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- return 0;
* H' a; I z& }; O - }
7 V& V1 ]- K. u) Z! Y
; O: S) V8 _6 e+ J- int main()
8 S7 B' j% t4 M - {
" z5 ?: x2 h; h: J - char c;
6 @4 N* w# o5 N' M- J# F$ l" O - int i, macs[6];
8 ^+ W' L# _- r) c# Y: e- f) t B - unsigned char mac[6];
0 D0 d) N% m- M! |0 s - unsigned char stbid[256];
6 o% V- _0 D! j- \2 k6 M& R( a+ ^, g, u - . W3 B: T5 X$ Q+ L% a- b" |
- if (readparam(mac, stbid) < 0)' Y- u2 Z! B, Z$ t# N; |
- return 1;! B) X: L: Q; w$ b0 E
$ U1 P; m9 P# d- printf("Current parameters: \n");
. o7 H& o4 M7 ?( u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; b& O) y! f/ M/ b+ H
- printf(" STBID: %s\n", stbid);
0 C' a* I# M5 a2 k- S: l- q -
, z5 I: r7 T0 a3 m: B - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! `& o' ^: [3 `
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; g5 l$ n$ E! Y% Q* Z: @2 _! e: h - printf("Input MAC error\n");
7 r7 A4 V1 F9 |0 |2 Z - return 1;& |1 b+ B& A2 p0 G C
- }
; ~. ^0 t# _+ h9 C* a - for (i=0; i<6; i++)mac[i] = macs[i];
& V- L8 l% w- {) Q2 Q - printf("\nPlease input new STBID: ");, t9 D$ w Y- L" y1 I6 b( O
- scanf("%s", stbid);
; u* j2 h2 L6 E" [( f# I - if (strlen(stbid) != 18) {
" _3 ~* F8 E$ K6 D - printf("Invalid stbid\n");5 [3 _0 _! _5 u: } Q
- return 1;1 O( {2 B" U9 _' C
- }9 x% T6 a% ^' Y" R, a. \
- printf("\nNew parameters: \n");! W1 Y! b* f; ] c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, r7 b8 {, d1 H" ~ - printf(" STBID: %s\n", stbid);" @+ Q7 Z- ^0 k4 f3 o0 d+ ?
) T9 b" a4 O# W4 ^' C- printf("\nDo you want to change paramemters? (y/N) ");: [ m3 z! \5 S8 [
- for (;;) {
i' T6 l; l* V% c, q - c = getchar();+ Z- Y: ^1 z8 C7 r3 w1 d+ t
- if (c == 'y' || c == 'Y')
, F( R8 ]1 {, u2 t, J. v$ m/ D - break;
: p+ z: O d3 U; f$ q9 w1 p3 B - if (c == 'n' || c == 'N') {! t6 b" M7 \6 ?6 f
- printf("\nAborted.\n");
+ h7 P$ i$ _, a9 ^1 v9 N - return 1;1 v: Y* r! ~2 u2 @5 e( j% H( }
- }1 F( { W1 w* N8 f8 R
- }
0 |: k c- l( F$ E' X( l - if (writeparam(mac, stbid) == 0) ( W8 T+ ^! r4 G. H' V! G
- printf("Parameters changed.\n");
3 L5 o. ]! Z' ~$ e0 e$ J
1 W# k' h% z/ G- return 0;: d0 s; _, k" @* u
- }
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