本帖最后由 0522 于 2012-3-21 23:04 编辑
) D/ R& W5 g8 V5 n; s7 k
7 z; E. C7 D; v' P& C修改的代码早有了。到今天不会编译。
8 |! X: r# F ^8 E0 J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ ?) W# R1 B% W& E8 v+ Q
- #include <malloc.h>
. e! }# e3 Y7 {! \" ` - #include <sys/types.h>* v, v; D# i$ M" M3 E% W$ c& _: U
- #include <sys/stat.h>
8 J# I& i8 p* |1 e - #include <sys/ioctl.h>- p/ G! v9 d+ o1 s4 }
- #include <stdio.h>
0 a! q+ Y6 p+ X1 R F$ Y - #include <string.h>
' R5 L% y1 m2 u+ _* R - 3 V3 ?4 p& [& f0 w# ]8 O
- typedef struct {
9 ~, }( F) z& f7 }8 k: X. X2 j - unsigned int e2prom_cmd_sub_addr;( G! A6 d5 M/ V
- unsigned int sub_addr_count;
/ H( s* ] i! T7 F4 _$ U# t - unsigned char* e2prom_cmd_data;
+ a" l' V5 z/ T1 D( J1 m - unsigned int data_count;
) r8 r8 ~; y& N* ~+ Y! D. M - } e2prom_s_cmd;
1 ~% Z1 r& U! k) n
' x, o0 t4 E+ G) g* _- #define E2PROM_CMD_READ 1
; ?% P0 X( ^7 i - #define E2PROM_CMD_WRITE 2
, Q3 U2 C+ T% a - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
8 B9 j' @8 M u% t' S& l$ B5 R' O/ c5 [
$ ?, j. Z$ _: G. c& ]- static int readparam(unsigned char *mac, unsigned char *stbid)- e$ L f. C- Q# ^4 m; Y
- {
: j( j) o8 G- X0 m - int fd, ret;
2 O# G$ q# p' S! S - e2prom_s_cmd arg;6 G& G# i% e- M3 G# j
- unsigned char buf[0x18];% n/ W ?, }+ y6 ?) I
- & o9 R$ G9 R# J
- fd = open(E2PROM_DEVICE, O_RDWR);
* `" V2 z- v9 z2 X8 x+ h1 K - if (fd < 0) {
1 j7 x# O+ e7 j5 M/ ` - printf("Device %s open error.\n", E2PROM_DEVICE);8 [ \3 x/ Q& y/ M A1 O& I; L; C" x% t
- return -1;- U. b, I# S# l, W2 T% M2 L; |
- }
, H2 ~& G0 N2 Y - arg.sub_addr_count = 2;' r; Z- X5 ~0 h+ ~. I
- arg.data_count = 0x18; F' P- k# m. B9 i4 C
- arg.e2prom_cmd_sub_addr = 0x290;, r Y' B4 h% s
- arg.e2prom_cmd_data = buf;1 s7 h* F) t" }4 q6 v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( X& F& r/ Q8 K& Q3 V2 s% M' @
- if (ret != 0) {6 @6 I7 @9 r) N/ k3 _7 D
- printf("Device %s read error.\n", E2PROM_DEVICE);
- {: S" q) a! M - return -1;3 ]# ?( z0 [# [5 C
- }
- @/ H$ X. [' d; K - memcpy(mac, buf, 6);2 [/ d6 `! m+ |) h$ Q+ y3 M* T! r( Y
- memcpy(stbid, &buf[6], 18);
: U" q% p. T6 q4 B5 Y7 [7 \ - stbid[18] = '\0';3 _. N% Y4 l) i' @% K3 x. X# d( J
- ' `" M/ t5 O! Q" G
- return 0;
3 E$ A% \0 ~3 p3 |& Q; X: L - }
6 m j$ X- h8 a9 R+ ~, E/ @
! s: T& w- m; F$ c0 m. E* P- static int writeparam(unsigned char *mac, unsigned char *stbid)
) t" O: N9 ~6 z' a, ] - {
; \, Q1 ^0 @2 {3 ^# H3 R0 I - int fd, ret;
7 o: r; ]5 P9 P& ]3 c1 V - e2prom_s_cmd arg;. \. d4 P) }+ r% x9 H
- unsigned char buf[0x18];
l: [* I5 o5 F8 |
/ D0 Q4 c) S9 G0 c" ?* Q" A- memcpy(buf, mac, 6);
0 ^5 Q7 o i5 e - memcpy(&buf[6], stbid, 18);" w# l( G; a! @2 e" m! {/ h) A5 C
- fd = open(E2PROM_DEVICE, O_RDWR);1 Y) l9 \) K# F/ U
- if (fd < 0) {+ \! x! k8 D+ B' r
- printf("Device %s open error.\n", E2PROM_DEVICE);
, ~; G5 h2 A+ y' F/ B) O( Q0 D6 Y - return -1;
' n \( @* g& j+ `2 E1 }0 V - }7 h4 I& ^! b" g, t
- arg.sub_addr_count = 2;- F1 B4 ^' P( T) ?
- arg.data_count = 0x18;
, t! `8 a* i/ z+ B4 K, o - arg.e2prom_cmd_sub_addr = 0x290;" }* F" O7 H7 k) P7 U/ b/ r f! R7 B
- arg.e2prom_cmd_data = buf;; N, |" F1 M2 O, |4 O; D9 ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; W2 k2 n1 [$ D% ]" u - if (ret != 0) {
9 ~/ p6 e; X& n; q8 l5 E - printf("Device %s write error.\n", E2PROM_DEVICE);
6 X4 ^0 ~- b4 Z - return -1;9 @) X$ D) ?) |, Q- A0 k9 s
- }
6 u. F! L' G/ D3 W - ; z) d/ H" W# A
- return 0;
9 c& J. g7 ~3 ?/ q - }' d% k9 {- v+ ~4 A( @8 ^) {* _2 p
- ( `3 a8 d! c# Q2 W2 [5 ]
- int main()
& k7 }6 K) A+ S: q7 V* K - {
/ v2 x- b; w4 P7 U% ]7 ] - char c;$ {; u2 g. h' v$ P7 ^6 ^! P
- int i, macs[6];) q# q( L q& _; f
- unsigned char mac[6];
$ u4 g. }3 m: D. k1 g - unsigned char stbid[256];8 ~' J" J, L, p1 Z# f+ [
0 S: s2 P5 L& I" [) ^+ X- if (readparam(mac, stbid) < 0)
8 L8 A; D0 F( F( g, e6 V - return 1;
5 _& Y1 y" i. n8 a: m6 T, m
5 Q+ e5 p9 x6 _9 ~$ t; A( c1 P- printf("Current parameters: \n");
1 K+ K L4 r* U6 f9 H6 | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' L0 r Z4 ~1 a
- printf(" STBID: %s\n", stbid);
7 q# ]% B9 {+ Z. M, T - : U& ?" u- F: ]8 F& Y
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 w# P; r: [; r% q. i5 [. B- R0 O - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. ~* ~, p+ ]3 ^' b# G: W9 ? - printf("Input MAC error\n");- G! I; v7 Q) X9 I1 ?2 Z: ]) z) W
- return 1;5 T2 }5 T. u% q5 v* z6 C
- }: } u4 s" ^- y4 A6 g: E' m
- for (i=0; i<6; i++)mac[i] = macs[i];
& W# Y! q1 }/ B: u$ ` - printf("\nPlease input new STBID: ");) ?0 \$ C: @8 T% w$ G2 m
- scanf("%s", stbid);+ p- P- y2 V, @8 i8 \
- if (strlen(stbid) != 18) {$ Z4 K" b0 j; D% T6 l! N
- printf("Invalid stbid\n");) e" U5 Y# G! w' P Z4 Y0 R3 @
- return 1;
0 P% F* j/ |. ?, I( M- \5 \ - }9 B/ a. ]# b( K9 ~! R! v
- printf("\nNew parameters: \n");3 d m) W0 Q7 X. G& y, _+ f7 R3 W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* a3 R& x9 ~4 |6 @' U. D
- printf(" STBID: %s\n", stbid);, l+ h! ~( u5 m& t; ?
- 6 D8 ?0 O" P9 L/ g, R
- printf("\nDo you want to change paramemters? (y/N) ");
/ j/ z' q* Z6 ~: E6 g+ _ - for (;;) {
9 _$ F0 \& c, }5 f. |4 t* z - c = getchar();) Y3 P5 t0 N; t+ ?4 k
- if (c == 'y' || c == 'Y')
, t8 b0 j4 R% q p" i) d2 ~+ o - break;4 Q$ H- q& [* f) @
- if (c == 'n' || c == 'N') {
?2 k8 l r D2 Q- t) k& T - printf("\nAborted.\n");
9 v& O! W6 Z' R3 h - return 1; ]9 j( _0 y$ A y
- }" s- J$ q8 d6 G$ r4 `% m7 y# F
- }
2 D u/ O# s- T. v5 z/ k - if (writeparam(mac, stbid) == 0) 6 ?) p' a( g/ P9 E
- printf("Parameters changed.\n");8 Z* J# c& F3 C( a9 g
2 N8 \* M! D; j7 [7 n. p- return 0;- i, A6 r) u x& g/ X8 w& w
- }
复制代码 |