本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。* P- Y3 f7 |4 k; _( }9 l r" R
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 r0 \' a0 h$ z* t - #include <malloc.h>
" P" q5 {: Y7 K- _2 M# {$ U - #include <sys/types.h>: I/ V9 v! e0 \$ V
- #include <sys/stat.h>4 R! M$ ~* h0 o8 Z; p
- #include <sys/ioctl.h>- D% g @, D* O- I4 u
- #include <stdio.h>1 O. l J4 D; R/ b
- #include <string.h>
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4 Y4 `4 u* W" k* O8 M" f- typedef struct {
( H3 ?6 D, F! E6 C: G - unsigned int e2prom_cmd_sub_addr;
) D, f2 O( x3 S - unsigned int sub_addr_count;
( D1 U) b8 }2 ]; ?- o4 _ - unsigned char* e2prom_cmd_data;
' t6 w1 \: q4 g2 _& d8 a. X* X - unsigned int data_count;
9 _ \- F4 v3 z2 c& v* }3 a& D; F - } e2prom_s_cmd;
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0 P9 X0 Y* z8 v/ Z% L. P( E! U- #define E2PROM_CMD_READ 1
* D- N f1 K$ Y! A' Q% O - #define E2PROM_CMD_WRITE 2
. h% C( A( G+ c: w3 ` - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 w+ ^' y0 a- O
( r& b! f' {" j- [9 P2 b- static int readparam(unsigned char *mac, unsigned char *stbid)2 L0 G/ u6 I+ Y( I1 T. I* A, _+ s
- {# ?- Q6 g! S; v! j* c7 {
- int fd, ret;
) n6 W" c4 A, Y) v# z+ ~3 d - e2prom_s_cmd arg;2 o' d0 G9 h6 y- p$ V- {6 z
- unsigned char buf[0x18];
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, [, g& B8 W# d2 I- fd = open(E2PROM_DEVICE, O_RDWR);/ i3 u' d6 d l3 @5 @' f j
- if (fd < 0) {! O1 y8 g. U, P
- printf("Device %s open error.\n", E2PROM_DEVICE);' I- |/ ~# ^+ ^* Z6 w
- return -1;
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- arg.sub_addr_count = 2;
) u% P4 o* k- K$ B, y& _ - arg.data_count = 0x18;" U) N4 ?" u4 {4 f$ D
- arg.e2prom_cmd_sub_addr = 0x290;9 v; L* ?* e0 c& b
- arg.e2prom_cmd_data = buf;
: F: g4 p9 ]8 j6 t6 x - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, o+ {: Q6 V/ W
- if (ret != 0) {4 Y8 k, f# q, r' l5 R+ Q5 e5 ~
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ n' @3 K9 Q" s4 f - return -1;! U S2 H! j9 F. `/ C
- }2 K1 E* S q) l' a) E5 |. x9 }9 ]
- memcpy(mac, buf, 6);2 Y2 r) s5 |$ f. K9 G& b% c. s
- memcpy(stbid, &buf[6], 18);- t$ `+ V* B% {
- stbid[18] = '\0';! T3 w9 K+ f n" E
- % |3 Q0 s- J6 Z; A/ W% ]5 ~
- return 0;& b/ _0 ]* A2 D" c
- }! K# P. ^# I* B4 [# t
- & e$ R0 t& c# O1 r7 c, p6 `
- static int writeparam(unsigned char *mac, unsigned char *stbid): p+ k+ I* K' V8 f
- {# A2 D' E3 T+ g/ {/ G- ~
- int fd, ret;
6 q" E4 L0 J1 [& \& l - e2prom_s_cmd arg;
' ?) G1 P' T! W+ ~1 H7 M - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
2 t3 M8 G: J% t o2 F# ?5 ?6 m- r8 W - memcpy(&buf[6], stbid, 18);+ ?4 K2 t* G0 l1 K1 T) U k- q
- fd = open(E2PROM_DEVICE, O_RDWR);( D' c+ S# l! E( }; M4 i
- if (fd < 0) {
' Y* i5 Z* w+ D% U- K - printf("Device %s open error.\n", E2PROM_DEVICE);
9 z8 \4 L- d; N9 C# E- e - return -1;" G5 k$ s* j4 s! _2 ~
- }/ x: P# U9 `* ~. T( H5 v
- arg.sub_addr_count = 2;1 d; W& |" G9 e& Z8 ~
- arg.data_count = 0x18;
) Y+ {% K+ H9 m/ N0 a" H! G! v* x - arg.e2prom_cmd_sub_addr = 0x290;
5 h- V O! F7 E. _ - arg.e2prom_cmd_data = buf;
. t& z. N+ n1 o' Q! v: I. ~3 y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" ^( r8 s ~9 e8 u( R* N
- if (ret != 0) {; n& f# e+ t. k4 ^/ M I
- printf("Device %s write error.\n", E2PROM_DEVICE);
: T2 E# }# M) T H) J2 ] - return -1;+ q6 H: v" l# ^ J8 V3 {
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: ^6 J2 J; X1 `- ~- return 0;
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2 Q, v- J4 \, @- int main()
s5 V: A6 `9 s - {
" V. h2 l- X* h/ z7 _ - char c;
* i/ v/ U+ v. x - int i, macs[6];$ Y9 q$ C* G3 i
- unsigned char mac[6];
$ b+ L4 R* z3 D4 P0 n1 E3 P - unsigned char stbid[256];" C C3 l) S9 ?* w- R; ~9 }
- 5 M2 q. C2 e' t. |' U3 D
- if (readparam(mac, stbid) < 0)
6 c$ a9 U, T0 p( P- n - return 1;& _% p+ p8 p8 W i
- 2 i9 x, t/ D6 N5 C$ f6 h! A/ u$ _
- printf("Current parameters: \n");
; e( L0 K! k, ] y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ t2 u* Y$ Y0 ~2 } - printf(" STBID: %s\n", stbid);
; e" V6 _3 x3 m1 l- D% P" { -
: H* k; u/ w" V, h" E( ~0 G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 H8 O" f8 \9 O& v, G/ ?+ M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 J$ N1 N1 v1 w" |; b - printf("Input MAC error\n");& Q4 n* L2 g1 k& F! D4 q
- return 1;. i7 {+ ~2 k+ i7 T- N7 K
- }
1 [5 O0 m8 h. E. a( |: g6 J - for (i=0; i<6; i++)mac[i] = macs[i];
- W$ K) C: Z9 C+ d+ A - printf("\nPlease input new STBID: ");, e2 l5 p7 `8 v; k
- scanf("%s", stbid);
* w8 C; c' l+ v' j' m$ B V - if (strlen(stbid) != 18) {
+ ]$ l% W+ C# b2 f! m8 v - printf("Invalid stbid\n");, r9 s, i3 w2 C% U
- return 1;) e# ?2 L& ? b* U9 m. t% W
- }
1 ]. W9 r5 Y6 z" P5 Y4 n, ^ - printf("\nNew parameters: \n");- ^% b. l$ A7 w: v+ C& ?4 i5 ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ a/ `( K- U) [3 T9 s* I- h7 z - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");) ~/ H& ^8 l0 Z' m$ P2 r/ M) ~
- for (;;) {
; C7 i( P. v( t2 E- m - c = getchar();% \: I. s1 W* F. i7 Z4 o# E
- if (c == 'y' || c == 'Y')) h7 F; ^2 |7 q2 e
- break;
1 `2 s% m, b5 ^ - if (c == 'n' || c == 'N') {
7 j: L; D4 R- P7 v4 F - printf("\nAborted.\n"); d9 n; J, Z! t4 Z7 t* A# R
- return 1;5 e% k% X+ @" t; F# {" Y
- }- v! j! h( y/ m! @# O1 b) h% x
- }( X$ o6 W: E* C; g6 V# M
- if (writeparam(mac, stbid) == 0) + w& u8 U+ B& t" V' s1 z7 O
- printf("Parameters changed.\n");2 U, A/ K9 B! g( y h- \
- ; x/ Q5 E( p0 ]
- return 0;
_0 f' S0 e6 S) V( V - }
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