本帖最后由 0522 于 2012-3-21 23:04 编辑 4 _# _- M" V, u' X/ Q$ J7 L
. |+ |, {' T/ d; K/ x- p3 {6 D修改的代码早有了。到今天不会编译。
) e8 A8 T6 T6 f2 r! c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: n+ x+ m0 R1 o% a Z0 f - #include <malloc.h>
- N* T! J8 U( X# o - #include <sys/types.h>3 G8 j4 a {* t( g9 R
- #include <sys/stat.h>
' Y( M! X4 [1 l" N9 k - #include <sys/ioctl.h>. g( S2 j8 K4 |3 s$ p: s$ q
- #include <stdio.h>
% e3 v3 n3 M8 S& j/ @ - #include <string.h>
: ~: G. ^) d0 r. j& g. `( g/ s
* Z. h; y- e, D7 t6 n( Z- typedef struct {8 F% p K D* {2 o
- unsigned int e2prom_cmd_sub_addr;
! J9 L5 v, \: r" F9 S - unsigned int sub_addr_count;' i" n/ S: k5 K7 I
- unsigned char* e2prom_cmd_data;8 p3 p0 A7 R X- T8 F. a
- unsigned int data_count;
. p$ @7 i- M1 i b - } e2prom_s_cmd;4 c. S) \/ N. T( w7 n# Z
7 ~. O6 j+ k/ E- t' g' e- #define E2PROM_CMD_READ 1
$ e' e( h x7 V* S9 e5 {* I - #define E2PROM_CMD_WRITE 2' @, {; ~4 y# ]/ Q8 G3 S
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
) u8 E2 l; h; Q/ h9 W: Q
2 m5 R1 [; O( Z2 n3 L% t- static int readparam(unsigned char *mac, unsigned char *stbid) u4 ?) j8 V9 Y' L$ |7 S8 J8 x# i( o
- {
! S9 r; C$ d4 d3 T2 D+ [ - int fd, ret;
/ c: e3 n: f4 r - e2prom_s_cmd arg;' w) E& k7 A1 a* z
- unsigned char buf[0x18];' O( ~+ [" Y0 a
- - p& _) I1 n; B" f# u
- fd = open(E2PROM_DEVICE, O_RDWR);
9 X7 e$ q n. ~ - if (fd < 0) { k' X# x `! i- d
- printf("Device %s open error.\n", E2PROM_DEVICE);% h/ F' R: C1 n4 K. N2 q
- return -1;
# N: `+ H% W& t u/ G3 T - }* N+ q% y/ }; b0 l- a0 m
- arg.sub_addr_count = 2;7 h, Q$ k" z; y( b
- arg.data_count = 0x18;
4 W( U* o! ~8 U( I$ ?9 U - arg.e2prom_cmd_sub_addr = 0x290;! N* F2 E9 c. [ [8 g
- arg.e2prom_cmd_data = buf;% G: h3 S, _ S
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: g. r, H N* y3 ?9 Y - if (ret != 0) {
+ y5 _2 X! }* G* ~1 ^+ }8 S - printf("Device %s read error.\n", E2PROM_DEVICE);3 {9 t; k. c% E
- return -1;
8 G+ d' }0 s& o - }
+ G; w( I; K% G5 b- r - memcpy(mac, buf, 6);% ?, ~2 X! c0 i* K+ i2 y
- memcpy(stbid, &buf[6], 18);; Q9 P; n! c# ?* |; k9 D. m
- stbid[18] = '\0';
3 p: t) O+ w9 H* q S# O7 {1 H - ( _+ `/ s) O. e# F' _
- return 0;) Q+ x& _: ^% Z9 [. z# T; }) m
- }
6 n$ g: V; k& @- U - 2 n4 v* U1 n' [5 C: M! H
- static int writeparam(unsigned char *mac, unsigned char *stbid), S+ _5 M0 e- |' i. s
- {
1 b" c P0 W1 P1 Z - int fd, ret;+ x$ L$ |8 _5 X5 q9 G, S+ c# _7 M
- e2prom_s_cmd arg;( c/ o& _1 t+ |
- unsigned char buf[0x18];0 `! A0 G4 x, j% W- T& D
" v: }- R" g( @* ?" {. H+ k! A0 Q0 V! d- memcpy(buf, mac, 6);
0 P2 ]! o5 `& C, p7 ]! i/ l - memcpy(&buf[6], stbid, 18);
. V- {4 \7 _ A4 ]6 Y - fd = open(E2PROM_DEVICE, O_RDWR);
8 |/ x' O$ Z% R6 L - if (fd < 0) {
6 C' n* Y* [" | ~9 u/ P* a - printf("Device %s open error.\n", E2PROM_DEVICE);2 ]9 n* D8 ]$ Y8 h7 `
- return -1;
, f) D5 g9 u) v9 m! _. K6 f1 w - }- [- \: l4 u# J# {( c! h6 X' l
- arg.sub_addr_count = 2;( R l! u0 f# G m3 n
- arg.data_count = 0x18;
) I5 g; n! G* f3 X0 \8 l/ ? - arg.e2prom_cmd_sub_addr = 0x290;
% q3 g* t( Z- r" t0 o" y1 M/ k - arg.e2prom_cmd_data = buf;
- j1 Z, |! y" w% m - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: i" b( j) k v7 F- |2 b9 D - if (ret != 0) {
5 N) i1 S* h% y3 z2 t - printf("Device %s write error.\n", E2PROM_DEVICE);. F6 ^& j T4 v. ^5 `% ]2 t
- return -1;
* w, z& {) M) \4 U1 Y* ] - }% f8 ]1 d1 n: O6 s* l" S* J7 `
8 [8 N; R# N& N; x( e- return 0;
% |6 Z3 H; V9 N7 H: s0 i - }+ [: G4 M" n4 E5 n3 G$ f# q
- * K' [6 e: P1 V% w/ i( t
- int main()- |0 `9 h: l5 {. f* h( K
- {; J, K& w3 G, t6 h0 d
- char c;- k+ Z& x3 B0 g: X B' i1 a( A
- int i, macs[6];
( U) d$ Q, P, V3 Q+ F! _3 ` - unsigned char mac[6];
$ z4 B9 @) s4 m9 Q3 C1 {3 y& n. g& | - unsigned char stbid[256];
+ T" w) z5 b$ ] E F, V R1 n
- K6 P+ V5 \+ C# e( O% M' f! x- if (readparam(mac, stbid) < 0)) M3 X5 ~5 M" ?: p7 s9 x
- return 1;
6 `6 k& M4 h( |4 W% [6 C
2 A3 v% R H) O2 [ i/ l3 ?& c- printf("Current parameters: \n");# [ e: A* p: Y3 j" D# i- ^5 N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, R* \9 O+ X/ u) L+ O# J
- printf(" STBID: %s\n", stbid);% k9 i: D$ y1 L; e1 @4 q, h3 {" E
-
! ]* }3 r9 R4 A4 L) ]+ Z) l6 X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 ?( n" ], V# q s; l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& U8 a5 y, F- u6 G - printf("Input MAC error\n");1 L# s2 [/ d! j) \
- return 1;" R% m0 A+ o& p7 ]7 C$ w( f2 n L0 Z! |
- }
' ^& w5 t0 R. B2 t7 {" I - for (i=0; i<6; i++)mac[i] = macs[i];
9 A% G: O' G2 R4 s# } - printf("\nPlease input new STBID: ");9 s. H, _' \# S# T# @( j4 U+ `
- scanf("%s", stbid);2 \$ ^$ ]3 |$ P
- if (strlen(stbid) != 18) {5 V. }0 t. p* y( [
- printf("Invalid stbid\n");0 {( q$ e3 V- E% B6 R' H6 c
- return 1;6 ?* d& L) N0 j" B) Y* K2 @
- }
9 Y: `# @8 A8 {$ L- N0 o/ Y% ?8 C) D - printf("\nNew parameters: \n");% ?6 N: _% p6 A l. E! i1 H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' j: D6 @9 m, H+ L. x - printf(" STBID: %s\n", stbid);! r2 d5 U8 Z# c4 h
, C5 s1 W- _, ~6 I( Z- printf("\nDo you want to change paramemters? (y/N) ");
) e7 y; X8 q4 ~8 x - for (;;) {
b- T, b. S" c$ q0 @+ J - c = getchar();. ]$ R9 ^1 c+ U! w1 ~9 |) v
- if (c == 'y' || c == 'Y')
/ a6 l; o3 [1 I - break;
* O9 Y# z9 x( r1 A( }& Q - if (c == 'n' || c == 'N') {
% H; |6 B/ [& Q" c - printf("\nAborted.\n");
! H! G0 ]9 I: Q2 T9 w - return 1;
; {: c7 e3 r4 }: \* j+ k - }
& u: ? b. n+ v4 s! u - }
) W7 i# m: L6 y( S - if (writeparam(mac, stbid) == 0)
$ H' U E: g7 H2 i- m% U - printf("Parameters changed.\n");
6 i! w' G6 |8 n9 ?% X( p$ ^, x
W) T# N, a H& ` L6 t- return 0;
: w/ S D6 k( ?7 ^" w& t% j - }
复制代码 |