本帖最后由 0522 于 2012-3-21 23:04 编辑 / _/ b. U& C1 @" }. o8 e
: y0 C2 Z% }* a8 |! V$ ?2 D修改的代码早有了。到今天不会编译。
0 ]% ~0 V7 ^) `' C需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 s/ F6 |% L8 B' D% i5 Z: }( l+ I
- #include <malloc.h>
, ]( A5 d! Z# a3 `. i - #include <sys/types.h> n" U! B3 w: ]$ I8 p1 M: k; Z1 K' A
- #include <sys/stat.h>
l, `+ C! t" j0 a5 N& h7 B - #include <sys/ioctl.h>
; X1 P- H- L! _9 F6 g- G - #include <stdio.h>) d a( m4 ~6 v* C+ Y/ y) e$ t! j
- #include <string.h>
?0 X) `1 o# r- l: _3 z" C2 {- Q
& ]. C$ Q$ r* J2 C# I2 i- typedef struct {
/ E' _* a% Z; J$ O Z+ Y7 x$ H; R - unsigned int e2prom_cmd_sub_addr;
$ j7 o! _5 l+ F# m7 \: V9 |# z8 L - unsigned int sub_addr_count;
7 q# q1 Y+ I) g2 R; n4 b' @2 O- R - unsigned char* e2prom_cmd_data;
# f2 [) r! m; T" d/ t - unsigned int data_count;/ I" q( R" l1 l$ M" k# {
- } e2prom_s_cmd;6 M) S4 T- [0 o! j9 p
- 1 O6 N# @7 r9 L: `& X
- #define E2PROM_CMD_READ 1) Y( f4 r* p# g; j, U" m" I: Y
- #define E2PROM_CMD_WRITE 2 z" v) B( L8 R4 Q9 ] Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# W" _8 d3 L# J6 {5 N
" I# E9 t. |6 ]- static int readparam(unsigned char *mac, unsigned char *stbid)- x& s2 J0 l+ e7 V0 ?# ^# X
- {) k( h$ |; ~7 W
- int fd, ret;
4 @/ l+ k5 K$ M0 N7 B - e2prom_s_cmd arg;- p: z( x+ D1 X! I
- unsigned char buf[0x18];& e! ~/ m# M) D% F* }6 a; L- H; Y
1 H4 K1 U# `) [: n7 |- f7 d8 ]. y- fd = open(E2PROM_DEVICE, O_RDWR);/ X- b4 S: X/ m9 t, `& b, t
- if (fd < 0) {! _+ l9 j" Q# i1 L0 S" u
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 ]& ~" T* h" w3 K) Q/ n - return -1;+ F! @7 k2 m2 K6 I5 b* J2 @* Y
- }! c( \% O# ]3 E! z) L+ p$ a& }
- arg.sub_addr_count = 2;3 j3 R, H; m) r+ A. g
- arg.data_count = 0x18;/ ~, T8 H$ \, v! L6 z
- arg.e2prom_cmd_sub_addr = 0x290;
i4 ], B+ F2 K. o. A% @8 l0 `/ }9 B4 u - arg.e2prom_cmd_data = buf;6 o6 b" n! H& }5 C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);- [6 h% J2 V k' Q6 `* b
- if (ret != 0) {
, `5 h) e7 g6 y1 o - printf("Device %s read error.\n", E2PROM_DEVICE);
: [7 _+ M* X! m% c; m0 S6 [ - return -1;
2 @$ \( N5 _1 U3 F - }
" G2 r' ^% ]8 o' r! S - memcpy(mac, buf, 6);
/ n9 \# E8 |5 u# f1 k* j% Q - memcpy(stbid, &buf[6], 18);* }2 h0 h c# b' H9 |$ \2 l! [" |
- stbid[18] = '\0';
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6 m; x9 S2 ]( r& H- O3 w# V) o- return 0;& Z# G" Z) s: X
- }
6 N: V9 U, | t$ j) `7 ?5 l: h - * B$ U1 G% C3 _# l( G; H6 q
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
1 ?, o: r) n8 [7 b3 ?) I - e2prom_s_cmd arg;, m' L* v, y0 M
- unsigned char buf[0x18];
5 ]0 q7 j3 ]+ X# H; v' |, U
7 J: Y7 @% W5 t1 C- memcpy(buf, mac, 6);
( i) N0 l7 k+ V$ I1 `$ C - memcpy(&buf[6], stbid, 18);
# t$ T! B# a( J - fd = open(E2PROM_DEVICE, O_RDWR);
. O6 Z4 h+ u% |9 n7 W- R# W2 {: c - if (fd < 0) {. \3 g ~' j# [7 G5 Z/ c
- printf("Device %s open error.\n", E2PROM_DEVICE);' }; {4 ?# c( S9 S- \8 Y3 f
- return -1;
9 o7 S: j, P& Q - }
0 b, w7 Y7 U& G) _ - arg.sub_addr_count = 2;
/ t0 s, z5 R( v9 b5 _ - arg.data_count = 0x18;0 e- }3 E4 R) ]6 g# D' k2 V% K1 b
- arg.e2prom_cmd_sub_addr = 0x290;
3 F" I: V1 h" \ - arg.e2prom_cmd_data = buf;& f2 l1 N" m7 j) N6 R8 [2 u( x+ W* ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! s) _; q; [' a0 X3 P) r) v& ]' L/ Z+ ?
- if (ret != 0) {
- l& ~* H! r2 L Y1 e3 H - printf("Device %s write error.\n", E2PROM_DEVICE);% u( t/ j0 X6 J, I0 W* G0 Z: [9 Q
- return -1;& p' y% k% f1 b
- }8 [1 P; Y0 c4 H' H* b
9 G2 B& d- ~+ z! I- return 0; a, g# H* `6 K- i
- }8 c$ |# N& v0 R+ U, p. i
; e8 {& |% o# y/ D( @& f" z- int main()% t; {( K4 }" ?
- {) X8 l2 ]" r, H4 _9 n4 H1 Q# P% `
- char c;
# \( g$ A/ c# p* N - int i, macs[6];1 \6 W7 x* c- f
- unsigned char mac[6];
: i- b$ n. L9 i - unsigned char stbid[256];4 T; I3 I+ }. R
- - Q% d- O1 y, h- v
- if (readparam(mac, stbid) < 0)
/ ]' n5 }: Y5 x" X" i D) q( M - return 1;! c f* Z/ A" n5 P" t
- ! m1 R3 y- ^* D; m6 t/ s6 w
- printf("Current parameters: \n");! ?7 y7 y; g. s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. t7 b; A9 j% H% N, c - printf(" STBID: %s\n", stbid);* X. h* |; f8 N! R1 @
- 0 t, x9 ?5 t" \5 N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 X1 x) M1 _: X1 d( E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 w; m+ B; n/ t
- printf("Input MAC error\n");
3 h i! i9 s9 y; k8 q5 u - return 1;
3 Z# D9 Y% \$ d" U0 w% Y - }! B& s: \8 j* A
- for (i=0; i<6; i++)mac[i] = macs[i];' z! C1 [3 x/ M2 p( @
- printf("\nPlease input new STBID: ");: `& E% l: u# }' n' c6 i
- scanf("%s", stbid);
" {1 h' E/ ?* o+ ]4 v2 D" T* V: z9 I - if (strlen(stbid) != 18) {6 }2 C7 i" x E/ N' @: S4 U' @
- printf("Invalid stbid\n");- t2 B9 Y' H$ j0 H: |
- return 1;& M7 V# E' g9 e% e8 }0 ^
- }- r- J* p! |7 Z5 C( n' x; p
- printf("\nNew parameters: \n");
0 M# b/ {4 ~# O% F2 _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ g# R( O( t k7 A" ] ?$ R9 U5 j
- printf(" STBID: %s\n", stbid);& ~3 [3 W9 n1 \9 `% a% b
- ( J$ U1 Y, f& C8 B0 k
- printf("\nDo you want to change paramemters? (y/N) ");
# X9 _8 y8 Z5 u# i - for (;;) {
) k# e! \3 l# ~/ B" X) {! ]9 a - c = getchar();
) E; |4 @5 h: {6 U6 r3 R - if (c == 'y' || c == 'Y')) I) Q+ b* D: x( w) e- z
- break;
/ q6 l- F- C q1 V3 L$ a* r - if (c == 'n' || c == 'N') {
' o- m* P' ?# l( l - printf("\nAborted.\n");3 K, p" @& T5 |& E! U6 g; w
- return 1;
! H3 f! \ M+ \: r2 z: P! h9 W - }
- t$ S4 O+ S- F* D5 ^3 Q% j. Z! { - }
' M1 M& W1 H0 q) C" ~4 s3 J( N - if (writeparam(mac, stbid) == 0)
! J8 C) f% Z+ A' Z+ Y7 H - printf("Parameters changed.\n");
" |& N1 L5 {# A
4 _' A. m" l& `, J \- return 0;9 M2 Q1 t, J' ~# ~$ R- M4 j( Y6 O
- }
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