本帖最后由 0522 于 2012-3-21 23:04 编辑 9 @- v4 k: b9 A
x. j# ?) c( }6 U修改的代码早有了。到今天不会编译。
' A# M, g7 `( D0 [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: e5 ^) u) A0 s
- #include <malloc.h>5 o! ^( T6 ~. C8 T
- #include <sys/types.h>3 \% k& Z% s: {) z
- #include <sys/stat.h>
) U. A: G+ q7 T4 i: Y- |7 d$ p - #include <sys/ioctl.h>; G; K' ?3 ~9 Z2 l2 `. l
- #include <stdio.h>
1 U! s$ ]( ^- {# r9 R1 t6 F - #include <string.h>0 C! @' }+ a' o& U J0 ~# i
- $ Y# _ y# Z* k- [9 x+ e3 R
- typedef struct {/ _/ k0 K8 p4 n7 X* i9 r
- unsigned int e2prom_cmd_sub_addr;
2 k0 O' Q4 v! p; g% v - unsigned int sub_addr_count;
3 Y/ G) c" _) o; j! m" \; [( F/ I - unsigned char* e2prom_cmd_data;
0 d3 s* T( P# w - unsigned int data_count;
, p5 O7 c: b$ }5 L: o - } e2prom_s_cmd;( ^* |! d) ]/ m1 y4 S
- 5 D/ d4 t6 o5 ~/ {0 z+ ]$ s8 {4 ]9 m3 E
- #define E2PROM_CMD_READ 1: p* x$ V6 m/ }( e8 a0 ^8 t: U
- #define E2PROM_CMD_WRITE 24 \- u8 c* a9 |3 {1 e6 m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
& x- @) Z) }3 Z( s
, B+ S( K5 ] e z/ h. g# Q- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; @0 R( y# x2 n3 r1 R0 X
- e2prom_s_cmd arg;% O1 u2 l% B/ D+ O( }
- unsigned char buf[0x18];) P5 R" m5 i+ x. G! P( l7 x
- ' |7 B+ a) f5 f$ t, u' x2 p. G
- fd = open(E2PROM_DEVICE, O_RDWR);4 u% O( F3 D& u! x! c6 k" x0 b" i' m
- if (fd < 0) {
# B, M4 X7 r- c4 {. Y' `: { - printf("Device %s open error.\n", E2PROM_DEVICE);9 F$ P) U+ X' @ D* F; a5 P3 k
- return -1;
5 J/ \" L0 |0 U( ~ - }
5 K3 |/ t' f% l4 T0 u9 B; T, C/ { - arg.sub_addr_count = 2;0 w# y4 N3 |7 d/ A$ Y5 B4 ]
- arg.data_count = 0x18;
9 H+ p8 B; U5 O1 | - arg.e2prom_cmd_sub_addr = 0x290; C+ G& H1 p% ~+ g# M: J) R+ v- G
- arg.e2prom_cmd_data = buf;
! l5 K( C/ ^5 g! h - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 }" g: K% E# ?/ W
- if (ret != 0) {
/ h1 B3 V9 d$ {! ?8 P - printf("Device %s read error.\n", E2PROM_DEVICE);6 ^ U* g( |2 r7 z
- return -1;( c( e7 S3 p- S4 r
- }1 x+ v: a/ i7 ]! _& o
- memcpy(mac, buf, 6);
- E8 c) R8 i. e+ }) r/ F9 H' I - memcpy(stbid, &buf[6], 18);+ F8 @ Q, Y, \+ r4 S7 W+ A
- stbid[18] = '\0';
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) H- x0 h; L/ v% C0 z& i+ E- return 0;
) i% f! d( ]4 P7 |/ M# J - }
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) [2 B2 w: u4 |, |! \6 n5 n- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 I6 p: B8 E6 V- A- R+ L4 Y - {
/ O [) ~0 G1 B3 x3 n - int fd, ret;# v' V8 a- G/ B, Z: j
- e2prom_s_cmd arg;
6 v) A8 \( h _& [ - unsigned char buf[0x18];# v; r& @) i1 p4 x% s
8 T5 k$ Q. H9 s- memcpy(buf, mac, 6);
* t: j" ?1 j" C: K7 ]1 \ - memcpy(&buf[6], stbid, 18);! r: t" s) C; x! Z
- fd = open(E2PROM_DEVICE, O_RDWR);6 a& c2 ~3 I6 n! P) @. H( O
- if (fd < 0) {
* E' Y3 S) A4 q( ^( A, L. r8 T - printf("Device %s open error.\n", E2PROM_DEVICE);
2 T& g6 b6 `7 n; M, d' f - return -1;
8 A3 m# I% ^3 G0 o - }
4 ]2 l1 {9 C y) R: Y1 C M - arg.sub_addr_count = 2;- w3 n3 ^ F& R
- arg.data_count = 0x18;
4 H9 p* y# C3 B - arg.e2prom_cmd_sub_addr = 0x290;
|6 m, T5 e Z8 F* j - arg.e2prom_cmd_data = buf;
$ w* n4 u* r! ?" \; T6 ~3 s+ w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 c- V c3 f+ P* s$ j6 x, ~ - if (ret != 0) {; u) v% j% c R/ Z& {
- printf("Device %s write error.\n", E2PROM_DEVICE);: r* ?, |/ H' o5 b1 Y7 g1 _! T9 _$ h
- return -1;; ~4 p( V7 \# f; L
- }
2 x9 Y5 L J* R9 J( o5 }
- E9 I1 z( U: r d( ~" n- return 0;
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- . V/ G e! J$ m% X
- int main()+ g' Q, j) u4 ~
- {
1 k- o% r8 L8 A, i8 v- X0 }( [, Q! a' Z - char c;
$ v% A: b( f* M2 f - int i, macs[6];
& m, L% O; F3 t' Y/ \ - unsigned char mac[6];/ {* \- o$ ]7 [: I# f2 x
- unsigned char stbid[256];8 l; S$ Y3 B; Y. }- G
. T6 D! s6 T* L0 ^% H- if (readparam(mac, stbid) < 0)! w$ y% J: \1 s. B, B o, e7 D
- return 1;' Z% r* T% J7 B" p# X, u& o
' v; ]0 K' n# L- printf("Current parameters: \n");1 l6 @, f: a: I0 u( f, W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( z9 E* v0 n% V. M4 v - printf(" STBID: %s\n", stbid);
6 q2 t+ U7 t" d -
3 m* v! I. |7 K9 Z2 d6 [ ] - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: i4 ?6 [: R* Y! U4 p - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: M' `, n% f, e# T+ J$ v( A
- printf("Input MAC error\n");8 h# ~7 w7 d5 a' N' f- B+ x
- return 1;
* E1 d6 E+ [6 z* l- R% } - }
; r' v; h' Q3 y) b# j - for (i=0; i<6; i++)mac[i] = macs[i];
! b( {+ m! K( O3 R1 X+ g - printf("\nPlease input new STBID: ");2 K0 g L! c3 q
- scanf("%s", stbid);* Q K. F2 w0 B& E
- if (strlen(stbid) != 18) {0 g7 {7 _; Q2 z: V( |9 K
- printf("Invalid stbid\n");: [4 W1 p5 C* ^. t6 K$ {2 V
- return 1;+ O4 s; S: ?4 v/ E
- }0 u& R5 {( [0 ]0 V) i. f2 @
- printf("\nNew parameters: \n");
0 Y* Y! {7 Y6 u7 @* C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% _$ p: d* Y* w8 e) r' R
- printf(" STBID: %s\n", stbid);
3 {/ B$ m9 C! K8 y* u; A0 `1 D
- y9 ]/ @- U1 h% j& N- printf("\nDo you want to change paramemters? (y/N) ");
4 O5 v2 p% E6 w. j - for (;;) {: U# G! k6 q- z5 M) l% T7 X, U, V
- c = getchar();
* G7 ]1 C# w j, \7 Z - if (c == 'y' || c == 'Y')& a+ Q& a. m0 l, i7 A+ z
- break;+ I1 h; x' s* f3 j
- if (c == 'n' || c == 'N') {
" A. o6 g4 y+ K3 T - printf("\nAborted.\n");1 I+ [ i# r7 h$ ]
- return 1;
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- }2 A2 b# H& U. K7 `- }- L1 w& P( S
- if (writeparam(mac, stbid) == 0)
4 X- v! q" h1 h' p - printf("Parameters changed.\n");6 d) f+ H0 A+ b: h9 h# T* Q4 i
+ p$ e' Q3 X5 x' S& h# W9 o' @# d- return 0;2 w) R% \, c# X$ {7 V9 B' Z
- }
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