本帖最后由 0522 于 2012-3-21 23:04 编辑 ) ^1 O \9 m$ {% m
( X" r5 j. Q ?9 e/ T9 Y修改的代码早有了。到今天不会编译。
, ~1 B+ g5 _3 N& b5 {4 X0 R8 ^需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( R: d' _. m8 \% `% E - #include <malloc.h>
3 G$ b% u" U" y7 D5 F5 J - #include <sys/types.h>- G2 q6 T) e% n( `8 |9 s
- #include <sys/stat.h>
+ [4 c# I, c+ h$ w, S/ c3 h; |$ [ - #include <sys/ioctl.h>
+ a( f) n" m, \ S* V/ N3 j5 T2 H - #include <stdio.h># F T+ ^6 f) \# l8 v
- #include <string.h>
7 ]4 h5 E# D1 v* g - 1 c Y0 d- p7 g+ D( g
- typedef struct {
# h- ~: M x) B# v2 S1 P - unsigned int e2prom_cmd_sub_addr;; `) X7 g9 b+ F8 E) U+ C, v0 @
- unsigned int sub_addr_count;& I* T: o) U5 X1 I- W3 g8 L) _
- unsigned char* e2prom_cmd_data;7 ` y# K5 [8 ]- o4 r' Z4 q4 l S' _
- unsigned int data_count; t, c, t: Q+ V) {# u
- } e2prom_s_cmd;" V- n" `) j* L$ M- t. s X
8 t& B8 j" k0 p4 x& Y- #define E2PROM_CMD_READ 17 E; w2 X5 x2 C9 Q& B# ~' n5 x
- #define E2PROM_CMD_WRITE 26 {3 b" S' u# W& q9 O3 J$ p6 j9 l% Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
`* A7 `( c( h T a4 J; X
' J. Z2 C, D- F9 `0 y5 U8 x: E- static int readparam(unsigned char *mac, unsigned char *stbid)
+ M7 q' N; `/ r$ F3 m: h2 t - {' k1 n: I- d4 J$ U; Z) w
- int fd, ret;* T0 \/ I" R& s
- e2prom_s_cmd arg;- ~4 ^: V( q$ ^5 c$ F) R
- unsigned char buf[0x18]; j' M, M. p K$ b6 o7 N2 P7 Z- u- j# V
; D- f0 Q) l g6 ~( F2 B W- fd = open(E2PROM_DEVICE, O_RDWR);
" L. }4 V. A6 T, T - if (fd < 0) {
# S u/ B: J- V0 R2 m: ^) T - printf("Device %s open error.\n", E2PROM_DEVICE);
, I" V. A2 w. l7 v/ T* t - return -1;
) K2 D/ c& m. O. R3 @# Q1 { - }* E8 ~0 _3 {9 M9 B. f" j
- arg.sub_addr_count = 2;
5 e: q" q# _/ m - arg.data_count = 0x18;2 T9 i; q' t9 T8 H$ |% `
- arg.e2prom_cmd_sub_addr = 0x290;7 W, w$ b6 j0 n+ H5 P$ H2 [1 }' \4 d0 S
- arg.e2prom_cmd_data = buf;% B, a2 r$ N, d1 ^* a; {
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 _5 {; c: D5 i" g2 ]" b0 j+ K - if (ret != 0) {
6 _" {$ H$ Q2 ^9 X" ` - printf("Device %s read error.\n", E2PROM_DEVICE);
& P. O; f* V" K) G - return -1;
0 F) B/ @5 u9 z8 W/ @+ t F8 o U. y - }) ]3 [8 d, v, f$ K5 B
- memcpy(mac, buf, 6);, Z0 ~( ^0 E' V. D( H
- memcpy(stbid, &buf[6], 18);
- n6 Z- A9 f$ p [" n6 h5 r - stbid[18] = '\0';1 a! m4 N9 ^" M; z# l+ [
- 9 S8 A) d7 I1 z; t! ^0 X/ ]; @' `
- return 0;# q( k y! _7 W- C
- }
- {6 H. ]( a: u/ X! I2 Q7 f
+ [+ t& [" c7 G( v- static int writeparam(unsigned char *mac, unsigned char *stbid)! W( N7 U) m# l1 a# z0 w* y
- {0 x; B( u k- D! S, y
- int fd, ret;
. ]2 n9 P$ z! S$ }3 R! e2 i+ h% m - e2prom_s_cmd arg;
2 Z+ @4 ?3 m% \- F: _ - unsigned char buf[0x18];1 o4 u$ ^" k3 k/ C
- 7 q7 o, S+ @! G& f# F
- memcpy(buf, mac, 6);7 v' F Z- z* ^5 }- j
- memcpy(&buf[6], stbid, 18);: S6 l& E N. s8 r, V! M* R0 g6 Z( i
- fd = open(E2PROM_DEVICE, O_RDWR);
Z9 R! c, u" j& p7 v - if (fd < 0) {
: K# k( Y# P' x/ u+ c - printf("Device %s open error.\n", E2PROM_DEVICE);7 y7 f' H3 k; ]$ m; N' j
- return -1;
7 J% n. t0 Z5 o J" R1 a - }$ W6 Z: Z! Q+ R* I3 C4 p% ^
- arg.sub_addr_count = 2;4 O/ D. @5 j' a5 L. s8 w5 u
- arg.data_count = 0x18;6 K! k$ Q# I5 S
- arg.e2prom_cmd_sub_addr = 0x290;7 h* L" [4 c, {
- arg.e2prom_cmd_data = buf;
: h& l9 @. j4 F; _6 T5 P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( j) d, B+ Y- K# t; Z* F9 f: ~ - if (ret != 0) {
; ?) N7 d/ B! O( r. y0 y - printf("Device %s write error.\n", E2PROM_DEVICE);2 r I( J O* g; m5 F4 R, Y
- return -1;* ~' m7 w6 J+ T5 h: L! o9 B- y
- }# C. D5 ?& `; v- K: p% p: i% ~; u, x8 m9 p
4 T2 T& {. {( m) N$ ~# D) A- return 0;
+ L! a) i: d+ K/ E1 j - }
: J2 I7 O+ J5 S" P, f0 S - 3 r! U. X0 ?0 l7 N* J$ l0 U1 ^
- int main()
' Q& q) ~* s9 i7 y( ]# G- P - {% c2 ]; u2 S# w8 C' g7 w7 J
- char c;
u' K; _& j. a" M8 B' P) k: y - int i, macs[6];
* t l3 c4 R5 f# b) G3 m - unsigned char mac[6];* g, {- V3 s7 S$ A/ }- o3 U v5 h
- unsigned char stbid[256];4 S' R7 ]5 x9 {/ |$ _
# u, U9 f/ _) U. \& G( d8 U+ n- if (readparam(mac, stbid) < 0), ]: o O# m! e0 O: Y; L
- return 1;
" A: M" F& K5 I' l" f; e/ n" U
$ G# i$ a) ~! J7 Y+ p- printf("Current parameters: \n");
# ^3 t" V3 X% T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); w) }/ }& u( S, u" N0 C) K
- printf(" STBID: %s\n", stbid);. G% S# B2 P3 m* u! S4 X4 C
- 0 e2 X, X& A3 ^+ L4 \- e% ?, ~
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! V) @- G* @. }4 f - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. [! r- e+ y% ^1 a* o4 B4 [: x - printf("Input MAC error\n");; t2 N' `$ i% U8 W' h, u
- return 1;, ? g: t. C2 n# D
- }
6 v* Y+ x' V& E - for (i=0; i<6; i++)mac[i] = macs[i];
B. _# Z8 g+ ?. _1 B; h - printf("\nPlease input new STBID: ");
: w9 J# j& E, L - scanf("%s", stbid);
D7 q1 a- i' u; E$ {# R - if (strlen(stbid) != 18) {
. _2 J$ n# B* M; S# q7 e - printf("Invalid stbid\n");
: Y7 Y1 e2 H$ Z, H" r9 Z' ~3 d4 i - return 1;
) C* ^1 |& Z+ E% i - }
( u" X# |. |, ]8 y - printf("\nNew parameters: \n");
" R! d/ m: \: E1 }' [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 _5 ~- f' ~2 \$ L2 b - printf(" STBID: %s\n", stbid);1 J: R0 {# Z! R' C9 |& |4 J) C+ A/ O
' Q+ U8 s# c$ b6 C- printf("\nDo you want to change paramemters? (y/N) ");9 ~$ A: q. M( |) _- C1 T2 l
- for (;;) {
/ p& d/ G/ S8 | - c = getchar();9 N1 D O: a) N" [; K& a9 A) g
- if (c == 'y' || c == 'Y')
* H, a$ _) `( |2 P - break;
# ~/ D1 D3 r" ^ I6 p$ K - if (c == 'n' || c == 'N') {
; ~# z1 Z, l" {1 [ - printf("\nAborted.\n");6 J5 R2 J5 G& C/ d
- return 1;+ Y3 y( C- U0 n" ?7 I! J
- }7 B. Q- g( I) ?
- }9 X4 i1 z7 U6 l- ]6 p% I/ C# q
- if (writeparam(mac, stbid) == 0) - Q: L. w2 B2 g. w
- printf("Parameters changed.\n");
8 _( X. o6 l" w) r. c
" q( A: s! j. y- return 0;
. J/ c5 E+ H: \ d2 ^2 W. n; Z7 K - }
复制代码 |