本帖最后由 0522 于 2012-3-21 23:04 编辑 0 A* _4 W: F, I1 Z
$ n, s5 D x& N: Y6 i. n7 R修改的代码早有了。到今天不会编译。0 o% F. S& U$ {% C4 k8 e8 M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 \7 p9 K7 x" W3 t0 i7 h- P
- #include <malloc.h>
4 ^5 j: k$ v1 M6 G9 m" j& F - #include <sys/types.h>5 {6 V d" U, t H
- #include <sys/stat.h>
, H" E& u) f1 K+ ^; ?* Q - #include <sys/ioctl.h>6 K0 [. p' j6 ^. A% E
- #include <stdio.h>: {+ W% ?- T; y0 y
- #include <string.h>
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- typedef struct {0 _% N) z6 E, @. v4 x
- unsigned int e2prom_cmd_sub_addr;9 A! K* x$ H/ o3 m$ K
- unsigned int sub_addr_count;; P0 `' Y, B- u) c! u- J- w
- unsigned char* e2prom_cmd_data;& J3 _; r: J& q
- unsigned int data_count;
, T O5 W2 x9 P8 a3 a - } e2prom_s_cmd;
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+ H5 c7 V( \6 u! l/ c- #define E2PROM_CMD_READ 16 ~7 |, \# ]( w9 U. l
- #define E2PROM_CMD_WRITE 2" {: u& X# l7 j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 g0 x0 R- [% n3 f* g$ |) I3 L: R, a
: r& A* r; ^* T" a. }/ U0 |4 |- static int readparam(unsigned char *mac, unsigned char *stbid), m8 Q/ m) m/ q/ f
- {
+ r4 `! h, ~% Q - int fd, ret;& L# O* s6 X( D3 B
- e2prom_s_cmd arg;
7 b5 `2 O! e5 X) M5 i3 j - unsigned char buf[0x18];
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" [8 ]2 h |- @3 P- fd = open(E2PROM_DEVICE, O_RDWR);
: J/ p# Z% K5 o- |! X& D+ Z - if (fd < 0) {* z/ s1 |) V3 U6 W" r
- printf("Device %s open error.\n", E2PROM_DEVICE);% W3 u2 R: K* a0 M+ K
- return -1;
# T, U9 K7 q) w3 D5 \3 n! `1 m+ F) D - }/ v: z- n. {9 u- w: ]
- arg.sub_addr_count = 2;* w9 \8 J# b5 g, j# j: k- B
- arg.data_count = 0x18;- b4 M5 P9 m$ R7 n( C8 [
- arg.e2prom_cmd_sub_addr = 0x290;
- O# [! s' e9 d# z8 @& ^/ c - arg.e2prom_cmd_data = buf;
) v" C" X. u, P8 N: M5 q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! b: }: R1 e* k8 j7 A# C9 b - if (ret != 0) {
+ K% y d& d: r+ G" ~& \ - printf("Device %s read error.\n", E2PROM_DEVICE);
0 a" {& i' K( p3 e7 }& } - return -1;
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- memcpy(mac, buf, 6);; r3 U$ C! n$ ?
- memcpy(stbid, &buf[6], 18);( T- z: e3 u# { V. B
- stbid[18] = '\0';6 N0 V5 W$ I3 O1 w7 l$ I
/ |) g" F, L% N, o1 @2 g- C/ A- return 0;
' ]/ ^* V/ Z* _2 ~! s - }
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) P- }8 y. k. h$ o! _8 o1 e1 J- static int writeparam(unsigned char *mac, unsigned char *stbid)) C) c, ~8 T% C$ R
- {
, F1 j" g5 ?+ x% [: H4 C - int fd, ret;" C8 C0 _: |+ N
- e2prom_s_cmd arg;
4 [6 m+ V' b2 p% T( H - unsigned char buf[0x18];* _- k0 I! }$ V# S
" ]: }4 |8 F1 Q, t1 J3 n- memcpy(buf, mac, 6);
7 w6 ]; i% P5 T U% `- ^ - memcpy(&buf[6], stbid, 18);
2 Q5 V- F, ^8 a. @6 r5 k# }7 f - fd = open(E2PROM_DEVICE, O_RDWR);
( Z7 o3 p) H9 @' P( u H$ _( Z - if (fd < 0) {
4 b O4 _, {& J! e% V* X' F0 { - printf("Device %s open error.\n", E2PROM_DEVICE);4 ^" N8 T* I& }0 w
- return -1;
/ Z7 `/ S( e/ N, q) O+ `' G! ~ - }
: `) S7 Z$ n8 G/ G- O( a% V - arg.sub_addr_count = 2;
3 ~& @! D7 w% Q: ^# F1 n - arg.data_count = 0x18;" D6 z# Y n( d9 Z( P- _9 S+ ]1 m
- arg.e2prom_cmd_sub_addr = 0x290;
& J1 } B, X2 _, \ - arg.e2prom_cmd_data = buf;8 S& _4 z. b3 ^! @
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& c% h* u7 H. ^) a
- if (ret != 0) {
. N" Q$ O( q& c6 z4 Q: Y - printf("Device %s write error.\n", E2PROM_DEVICE);9 R& Y8 j- x. Y. ~" G+ d q8 X
- return -1;
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6 `# u: O% N( j- ~: u9 W3 N- y- return 0;
0 ]+ E" |# d" R - }
3 ~6 F/ J1 K, z! ^1 g/ f
/ O( t' M- `8 n2 M G: S- int main()9 j7 t# M& ~$ x0 J0 p+ U9 t; O( t
- {
/ V: O% D) V! E" v; t& v$ X - char c;2 z c- z! X; u
- int i, macs[6];
1 ?6 P+ N( i, [: O6 B - unsigned char mac[6];
+ j" A5 t* n& `4 n8 s - unsigned char stbid[256];9 S% ]! S* d( y$ i. l/ g$ j
2 ]2 E& r/ h/ c- N7 k9 t: M- if (readparam(mac, stbid) < 0) `! Z4 V" k, D5 x+ F* L4 @! m3 @/ o
- return 1;
7 U7 A4 k3 O y# L2 K# C+ ^0 z2 E$ z - # H3 W8 @- L1 B
- printf("Current parameters: \n");
) [- N# M9 G9 x2 }2 Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& o, i" b+ P. h - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; m) t- W* X* R d9 l) J - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 ?6 O# w/ j# t" U
- printf("Input MAC error\n");: D9 U: {0 M. k- D4 f6 ]: q, t) T
- return 1;( i2 j* {' e; q+ D1 r) P
- }
2 x% J2 |0 v. E - for (i=0; i<6; i++)mac[i] = macs[i];
- B6 y) n* a5 N' h - printf("\nPlease input new STBID: ");! v5 [. G# n3 M7 r3 ?
- scanf("%s", stbid);" _$ C G- u( `6 \' y! j
- if (strlen(stbid) != 18) {# K; R) w0 o6 i
- printf("Invalid stbid\n");4 d) `# z7 {! `5 X4 X
- return 1;1 S1 a# D4 a" A2 T
- }- O1 }/ J% Z- j/ q- F0 b
- printf("\nNew parameters: \n");
0 }! Z7 b$ B$ j0 s% c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% D2 p: l) V7 C8 o
- printf(" STBID: %s\n", stbid);: T& Z8 j8 Z' C2 }, X
; d' e* d7 \ l0 K) C, P' L4 _- printf("\nDo you want to change paramemters? (y/N) ");
/ s# J: Z1 {3 `- R. k( F - for (;;) {7 l0 B0 ]; l9 l: `1 y; @
- c = getchar();6 ~6 y* i1 D! }
- if (c == 'y' || c == 'Y')8 O0 |8 f6 d1 g; b" i4 i
- break;1 I! L5 j9 b+ Q0 c# l) M: N$ D
- if (c == 'n' || c == 'N') {$ Z* h# _9 l5 L) R# V& k# u
- printf("\nAborted.\n");
* a2 A; A2 E. c2 R u0 t! J9 I, r - return 1;1 [9 X7 V! U( f8 M
- }5 |6 ?7 X2 J2 o
- }( T/ R' S! f X. ^7 N
- if (writeparam(mac, stbid) == 0)
, r# h: _3 G4 I7 ?5 ~# a - printf("Parameters changed.\n");
9 v" o/ ~. m o! ]% {1 ?
) @6 U' O6 c, [ C0 Y ~- return 0;/ [% ^4 S: i" X* J& P3 e5 O; T
- }
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