本帖最后由 0522 于 2012-3-21 23:04 编辑 , \9 W8 k! M6 u1 J" D/ \; ]
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修改的代码早有了。到今天不会编译。. o& t; _! u2 {1 l' k# G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 A" U. O5 j7 P% b0 x5 Y9 R - #include <malloc.h>% n% i+ j8 I. ^, g
- #include <sys/types.h>
0 [2 G: Y0 ]2 z' I a# A - #include <sys/stat.h>
4 D. J- [0 w: Z! Q* t) H - #include <sys/ioctl.h>4 q" g( @9 `$ s2 r ]' W
- #include <stdio.h>$ W$ C3 |& r4 j: f7 [
- #include <string.h>
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- typedef struct {
2 B0 r: [6 G9 F! d4 ~: ^% D - unsigned int e2prom_cmd_sub_addr; s5 J: V, V! q. z
- unsigned int sub_addr_count;3 l, `0 E# Y* d
- unsigned char* e2prom_cmd_data;4 h5 l& V4 U8 b R+ t
- unsigned int data_count;
0 ?& `! n- V/ a. _ - } e2prom_s_cmd;9 a# Q' O6 ]4 ^) P1 u {6 T9 [
) l2 X4 G: U! v6 Q6 C- #define E2PROM_CMD_READ 19 R) G2 P, ^# y' E/ N) B7 d1 C8 @
- #define E2PROM_CMD_WRITE 2
|: X9 b p& I) I3 g7 K - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 C( A$ _# P$ }: o4 r$ A* G2 i$ F- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;: p/ s5 j+ h; a3 Y
- e2prom_s_cmd arg;: U% B1 @0 N- J. d
- unsigned char buf[0x18];8 s/ I* ~4 A- J
& {: ]( ^: k! @0 N" r- fd = open(E2PROM_DEVICE, O_RDWR);; C9 n! w# M: p% E8 Y4 z" R
- if (fd < 0) {
( G- V, y+ I0 m' w& N - printf("Device %s open error.\n", E2PROM_DEVICE);
( c \6 K }! @. U. g/ B5 \1 ^ - return -1;
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- arg.sub_addr_count = 2;+ [2 }3 k& r/ P) F! {
- arg.data_count = 0x18;
; Q( p- d' k, k5 J+ r T - arg.e2prom_cmd_sub_addr = 0x290;6 \ l8 V7 |2 v: J) H) [. |
- arg.e2prom_cmd_data = buf;* G4 H. \8 V4 u# U
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ b) m, Y. M! r# S r2 p5 i - if (ret != 0) {, S7 Y: C* N( l) x6 _
- printf("Device %s read error.\n", E2PROM_DEVICE);5 |$ l0 o+ x+ O2 C# y- |7 g
- return -1;
* n4 x5 ~9 Q% y - }
; w( M) F. _7 {5 K) ]& \% { - memcpy(mac, buf, 6);
1 G" I) z0 Q8 E1 }1 z) C J# ]% j - memcpy(stbid, &buf[6], 18);
6 H1 S: g1 V+ r x+ G - stbid[18] = '\0';
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- return 0;% w9 f: S" Q" A" }! N! g
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- 1 ^. V7 o0 G0 E9 N3 T
- static int writeparam(unsigned char *mac, unsigned char *stbid), a# e3 D7 ~1 ?9 G
- {
' i! ^ H* u% I8 e, P3 G - int fd, ret;
# j2 ~$ f% ~+ V5 o6 c& h - e2prom_s_cmd arg;
: S5 @' u2 _( V# P9 F - unsigned char buf[0x18];4 {% d2 K# c, {0 D3 y
3 D! Y# P' W/ l+ _2 V5 {" ~- memcpy(buf, mac, 6);0 v% b3 g0 f4 W& V+ ]0 [
- memcpy(&buf[6], stbid, 18);4 [/ W) U2 W0 M( [: A
- fd = open(E2PROM_DEVICE, O_RDWR);7 K ~( q, E v7 A* z
- if (fd < 0) { v: s) g, j! c+ E4 N* q
- printf("Device %s open error.\n", E2PROM_DEVICE);
: s4 l3 D$ z C/ O - return -1;
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- arg.sub_addr_count = 2;
/ V1 ^, p+ v( A: R - arg.data_count = 0x18;
+ O" v9 S* B# h+ p" F q - arg.e2prom_cmd_sub_addr = 0x290;( Z( t; T# I% i# j' ?5 z3 g
- arg.e2prom_cmd_data = buf;
, ~' i k7 f) ~$ [2 g y' b) l! V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 L* Y9 I f2 |5 ^" _9 ^
- if (ret != 0) {: f4 n/ S2 ~5 m, t$ E6 r8 w5 z. u
- printf("Device %s write error.\n", E2PROM_DEVICE);
( o5 R( h- P5 y# u, v( F" W+ u0 @4 h - return -1;& s7 w, \% h0 h( q! U0 Z b
- }
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& t5 V9 n! o3 T. U- return 0;
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- int main()/ y$ ^1 z7 q3 ?7 t/ K
- {
; X. m! X1 _0 y0 d4 A - char c;
$ V& C! H7 [! V, ]6 P2 ]3 J s - int i, macs[6];- z7 Q e+ }) U/ b$ x) j, p
- unsigned char mac[6];. I1 b. K5 ?, z, I1 y" P
- unsigned char stbid[256];# r- I5 t; o% ^
- 8 G7 d0 U5 g- |7 A$ @; A- J% V7 M
- if (readparam(mac, stbid) < 0)
# D, P6 n8 Z2 W0 ^' F. [ - return 1;/ ~3 G6 e& q! w( }! h! |
- 7 m! p: z; n1 h9 m- Z( X
- printf("Current parameters: \n");
5 G( z8 a& b/ C% R! @: K6 B3 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 D$ I `2 ^. T. F: r0 Y# G+ g - printf(" STBID: %s\n", stbid);6 W" V1 U% H' c, \' P
- : W4 r% _9 A& g8 v
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) A: S3 Q( ^& T0 g9 f( ~9 N c4 R - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. j4 e+ ?! X9 w
- printf("Input MAC error\n");3 A5 z, ?6 g& A6 Y/ v' v! T
- return 1;
6 X0 O5 s M; M t- @& s% s+ e - }
* r& D9 Z; p3 {! J - for (i=0; i<6; i++)mac[i] = macs[i];
. n8 s% C2 g) J. Q' k x - printf("\nPlease input new STBID: ");+ g0 j5 S* e7 Y$ z. M. t
- scanf("%s", stbid);, \/ e( H( X, o+ G6 y4 l0 z: g% _
- if (strlen(stbid) != 18) {
. ]9 j. Y4 x7 u4 A5 X O - printf("Invalid stbid\n");: m& E( U/ ^' ^ I! |9 q
- return 1;& I8 T- L6 B/ z, D* c
- }
s$ T1 ^; |+ B, v$ y; } - printf("\nNew parameters: \n");
) O" m- h% e3 |4 u" e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 F$ N9 c' o' {7 _) s. G$ z - printf(" STBID: %s\n", stbid);
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' ^5 }: \1 ~ o5 c3 S& X& j# ~- printf("\nDo you want to change paramemters? (y/N) ");
: T8 G, p( V8 X! k9 b - for (;;) {
# f* b( I i7 H$ ~; l - c = getchar();, E* t' M; r6 p6 m0 v6 ? h& Z
- if (c == 'y' || c == 'Y')
; W8 M p. J% s2 J0 v1 W - break;
9 O H& L! A/ Y7 Y - if (c == 'n' || c == 'N') {: ]: X! |" H, X
- printf("\nAborted.\n");1 F( y* u1 g6 z9 ~5 J1 E& M: E
- return 1;
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- }# C0 p1 w1 H# W1 v
- if (writeparam(mac, stbid) == 0) - J/ c9 {- @5 h/ z% s; [% x
- printf("Parameters changed.\n");
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: D" q: M" @, t1 n* m1 [' |- return 0;. B+ T [; @* Z# F
- }
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