本帖最后由 0522 于 2012-3-21 23:04 编辑
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0 G. g- `! R2 `, G- `2 v3 a; y% H修改的代码早有了。到今天不会编译。2 ~7 J2 g9 a; H$ l1 m
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ c. Q) |6 J# G' E( `# T - #include <malloc.h>
, `8 O1 C/ _2 m0 C# ~6 k' T2 ? - #include <sys/types.h>" o& @; X- S6 d2 G% z' |# v$ A
- #include <sys/stat.h>. C1 w$ K/ n! \& s( N
- #include <sys/ioctl.h>
" ]3 B2 L6 `2 p - #include <stdio.h>
! @9 ]% O" |- b6 d* u4 m5 a% o3 f - #include <string.h>- I" g/ w& o5 D- X5 g+ u
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- typedef struct {0 \, ~9 ?7 J3 f: m; D& V9 ~
- unsigned int e2prom_cmd_sub_addr;* m$ {3 A5 F* R1 X
- unsigned int sub_addr_count;
( L2 C w$ `4 ^4 P3 B6 \0 k - unsigned char* e2prom_cmd_data;
# z, W+ N! _7 R" n! ?. h" v6 J - unsigned int data_count;
" f) }- @+ K3 m$ d1 q) s - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
" K) i' j) _3 J" j' M% E - #define E2PROM_CMD_WRITE 25 b. u0 b6 Z6 c! p; ~' X
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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( Z$ Y& j. g$ s$ q- _ c# @0 t - int fd, ret;
4 a2 w- Y" k) ~ g0 ^' I - e2prom_s_cmd arg;6 L' Z9 W/ o0 k. R
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);- b! C1 S. y: f/ A1 {4 m
- if (fd < 0) {
' u. {% b3 ?# n: h - printf("Device %s open error.\n", E2PROM_DEVICE);
2 Y' Q) P o: t1 l3 s - return -1;1 r: x% c! r3 e+ }: ?
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- arg.sub_addr_count = 2;! g/ |/ q: Q- W9 O
- arg.data_count = 0x18;- ]. ~4 e* K. S4 f7 s$ k
- arg.e2prom_cmd_sub_addr = 0x290;
& O: i0 E8 [/ Y) R0 w p# e# E8 a - arg.e2prom_cmd_data = buf;4 [- p3 F! C% i* _( \8 W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 C7 S H7 p- z% N% M0 D9 s( g( {- J - if (ret != 0) {9 P+ R# q; a4 d$ X) T' W
- printf("Device %s read error.\n", E2PROM_DEVICE);/ Q5 J& `) L7 K9 K c) t
- return -1;4 T2 ~2 l5 A3 w! p/ y& `* S" K
- }' ?' K1 A* }% w, }+ q/ `) V
- memcpy(mac, buf, 6);2 o; J. y' D: f( I/ `
- memcpy(stbid, &buf[6], 18);
' Z) Z. g; \$ U9 l4 k- q. \+ d - stbid[18] = '\0';
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- return 0;
- p: n6 Z5 k- l - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) w" K+ {- M( J
- e2prom_s_cmd arg;" i! A1 ~7 K# V, U3 i
- unsigned char buf[0x18];* @( b% ]& v7 n$ O6 A, T0 t% g
- . P0 a ~6 R; [4 c9 N
- memcpy(buf, mac, 6);( @) I- N8 P& E( C+ [* W
- memcpy(&buf[6], stbid, 18);! N0 z. D+ t. ~7 l+ x- @( `
- fd = open(E2PROM_DEVICE, O_RDWR);
7 R+ _: C/ g3 O, Q5 p9 f - if (fd < 0) {
6 ?+ b0 I7 Q! S& l/ Z - printf("Device %s open error.\n", E2PROM_DEVICE);! o+ Q7 E/ D0 B( p% ^/ o
- return -1;' s6 V8 w' C6 z# w; a5 E
- }# P6 C/ q; [1 g$ e
- arg.sub_addr_count = 2;- p9 Z" P% l' U; D+ L3 A/ p) O
- arg.data_count = 0x18;
- m7 S D; u! ^4 J - arg.e2prom_cmd_sub_addr = 0x290;( e* R* \5 f1 N2 V' q: p- B
- arg.e2prom_cmd_data = buf; B7 K, y9 R4 ^' g) J, _+ W0 b8 Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* ]* N' y1 y' d3 X, z+ R3 f - if (ret != 0) {4 e; P$ A8 K' e7 y. E" E
- printf("Device %s write error.\n", E2PROM_DEVICE);
! p+ Q8 s g4 ?$ K - return -1;3 d( n4 U9 D" s& D+ [
- }
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, ?# ?3 E. g7 y7 a4 j" J. h" t: o7 W- return 0;: i$ h6 Y7 \# Q' H
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- int main()
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) c( _0 U! A9 E# b- X5 ^ - char c;& C3 T9 h* d( q5 H
- int i, macs[6];8 r; [/ [; |$ u
- unsigned char mac[6];# K& Z2 l8 A- m0 E9 W
- unsigned char stbid[256];. g* s1 a. k) h2 N
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- if (readparam(mac, stbid) < 0)/ a5 c) h3 z% T) {
- return 1;
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- printf("Current parameters: \n");
2 F# b9 z9 s" g' \5 Z7 B" f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ z3 G( C! Q. \/ \8 O/ d
- printf(" STBID: %s\n", stbid);- i7 ^ h7 e# f) t3 ^; C- `
-
* [1 j8 D; A4 T N5 i8 l9 p0 \- ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 M) V; k* N. u1 m- P. V8 g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ N& u( A+ `3 b! h
- printf("Input MAC error\n");
; I X ~+ B# P6 u& k6 ^ - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];/ j& }/ S$ @) l
- printf("\nPlease input new STBID: "); T+ E- K. q9 F1 S
- scanf("%s", stbid);8 x: J% J5 W# D* o5 Y- {
- if (strlen(stbid) != 18) {" O: T! J T; Q9 }
- printf("Invalid stbid\n");
+ i0 ?+ G+ }; y6 w j) z - return 1;9 D7 a) j2 _2 o; W3 r4 m
- }0 Q9 _% t. S7 m: b7 }
- printf("\nNew parameters: \n");# g* Y1 M5 {3 C& I2 p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* I0 s1 p7 [9 n
- printf(" STBID: %s\n", stbid);
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! \2 c) w1 e. \- printf("\nDo you want to change paramemters? (y/N) ");; q8 @0 f+ O3 Q7 y2 A- e1 D
- for (;;) {: O2 q. M# {; n- Y' H, f8 W
- c = getchar();
: U3 \9 E# o9 ]& Q - if (c == 'y' || c == 'Y')+ j. w, ]5 h1 a U7 C# P. S
- break;
0 U( X, m( D% `, h' K9 d; K - if (c == 'n' || c == 'N') { A( A0 L7 N3 @2 g k
- printf("\nAborted.\n");
M0 W' G) U. Q6 [ - return 1;. b$ ~' Q, _% R
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- }
* _' d1 {0 t7 [( d6 f0 Z u - if (writeparam(mac, stbid) == 0) - x+ S0 G9 r0 d6 A
- printf("Parameters changed.\n");
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- return 0;
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