本帖最后由 0522 于 2012-3-21 23:04 编辑
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1 b% t/ e8 N+ o& E修改的代码早有了。到今天不会编译。+ g' v. S, [& X& {0 K
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; U) H4 e2 U) L. o' Z
- #include <malloc.h>) H% G1 h; E5 t' C( `
- #include <sys/types.h>
1 U$ M- g" |, U - #include <sys/stat.h>
& d7 \0 [! e+ |( i - #include <sys/ioctl.h>, b' j2 a# b# X
- #include <stdio.h>
/ ~& m/ k6 Z# C - #include <string.h>
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- typedef struct {2 Y) w; h$ L- ?: m6 L
- unsigned int e2prom_cmd_sub_addr;8 i5 \0 S5 Q$ T
- unsigned int sub_addr_count;
8 Y2 b7 p) \4 P/ `) q - unsigned char* e2prom_cmd_data;
0 ~- K4 W7 [1 P - unsigned int data_count;$ ]) P! V' d$ q4 R x. m
- } e2prom_s_cmd;: G. ^ w4 u! f4 ^, z( X
- 1 s' U( o" p( m+ C1 s
- #define E2PROM_CMD_READ 1/ h8 x% s+ h$ Z
- #define E2PROM_CMD_WRITE 2) n2 d1 b, X/ G3 l- \* S
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)7 c' } c1 J5 e! k4 z! Y& \
- {
5 T+ d' c/ ]( z: Z - int fd, ret;
3 e+ @; v0 \+ I - e2prom_s_cmd arg;
# Q' \" Z- {- V) S5 q* S% ` - unsigned char buf[0x18];) y; X4 E; `8 Q5 W: s7 G _2 P
! p) n) O- e0 W/ z1 F- fd = open(E2PROM_DEVICE, O_RDWR);4 y/ l) V) m5 t% J0 K7 ~/ a0 m
- if (fd < 0) {% |# D! L1 {$ D0 V
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 D% r: S! Q2 V0 d8 \ - return -1;
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- arg.sub_addr_count = 2;/ {% w. A X" f7 M
- arg.data_count = 0x18;7 i8 n, o) u, C6 J9 T) ?
- arg.e2prom_cmd_sub_addr = 0x290;
/ ?3 d: e1 {7 J3 B( v - arg.e2prom_cmd_data = buf;
% u" R" v4 q5 g {3 ?. W; y9 t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ k# b4 {- | ^* m, j
- if (ret != 0) {
/ v8 }. n3 u9 e- I2 R( T; a; \ - printf("Device %s read error.\n", E2PROM_DEVICE);4 _" x& _3 f# [0 K
- return -1;& i, N. ]1 k N f3 T6 O
- }
) g( A- }# k9 x i' g/ X - memcpy(mac, buf, 6);! A% u% A$ U7 O5 L' |
- memcpy(stbid, &buf[6], 18);
3 ?: a1 W# I! e - stbid[18] = '\0';
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; R; G* ^0 ^2 x+ @- return 0;4 G+ g- l1 f' O6 k) e. t) f" u# p
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)5 {' h# k' M, ?. I
- {
" {2 e' y9 ~% R' [" u - int fd, ret;7 m/ K/ p9 {% w& H& ]
- e2prom_s_cmd arg;5 V: l! v" H9 I) E3 \+ U& l& Q& q
- unsigned char buf[0x18];; @6 z& O% d8 n- o5 c. M
- " j" ?. y b0 g* Y
- memcpy(buf, mac, 6);
6 r" n8 q# Q0 Q- ^5 ~ - memcpy(&buf[6], stbid, 18);
7 E* `! I% B- n# ~. V6 \ - fd = open(E2PROM_DEVICE, O_RDWR);' p& |. ]8 ~$ ?6 n6 K0 ~( }
- if (fd < 0) {
6 {' S: x j* J - printf("Device %s open error.\n", E2PROM_DEVICE);: k; i# s& g H
- return -1;
; M) h( _) }* x, V" W - }
1 _+ H! \% r; V8 \. L0 q* ^3 b - arg.sub_addr_count = 2;
8 M3 C9 e( q' i7 E0 [8 [ - arg.data_count = 0x18;
, S- j- G1 J+ P3 c3 c) k8 }1 f - arg.e2prom_cmd_sub_addr = 0x290;
2 s9 u" Z) b% [: s' G# D9 F+ l8 Z - arg.e2prom_cmd_data = buf;
0 Z% U e; w! G0 X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ a" z/ q7 s; }, m: c9 t7 N! i$ L
- if (ret != 0) {( K( e K3 R3 G+ `2 S/ }. g
- printf("Device %s write error.\n", E2PROM_DEVICE);! c! l) l; J; _
- return -1;$ Y9 J8 U( C# j9 |
- }$ y4 n' a0 T: U
0 T; g0 R4 w- Z0 s' ^9 Z- return 0;
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8 C. b$ f0 T, p3 L- {( m- int main()
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- char c;5 E7 \' ^" W6 }( ~" Y" e7 h5 ]- |
- int i, macs[6];
# B2 B5 `& I/ r; K) L, W - unsigned char mac[6];* `& K4 A0 P, r2 k- j
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0). h2 l# S/ }9 H& D+ v# v& G
- return 1;
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- printf("Current parameters: \n");
/ r+ P0 ?1 p- w8 t! T) _' k4 D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: m/ A/ [ v) n
- printf(" STBID: %s\n", stbid);. f8 k5 [0 o9 U* V+ j
- 6 X8 ~: J5 x4 q9 ^; I/ p- i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' T( d. V$ F* K5 B$ C+ I: v" b - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( E/ U# K6 c% A4 D; l - printf("Input MAC error\n");% X! \: q% r2 z7 b2 n- O$ P) X8 _" H
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];2 p$ T% s! m$ R8 T' H
- printf("\nPlease input new STBID: ");# H/ t9 |& y S. P4 O
- scanf("%s", stbid);
* Q1 [1 ^7 O% T8 `- b$ w( t! Y2 U - if (strlen(stbid) != 18) {! l4 o9 A7 j+ k" ~; ?" L
- printf("Invalid stbid\n");- g5 e' Z& l! ^1 p% d1 x
- return 1;$ k. k! k+ t0 C0 L3 O
- }7 X- _. S# c1 _6 \* {
- printf("\nNew parameters: \n");
: c+ F' d0 X1 Y. } C% [; L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 {: J* L4 U' j - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
3 y3 O* f: g, O - for (;;) {* Q5 \) S& i/ y, H. j* P: r
- c = getchar();8 ]6 b; a' R& Z$ d* W, p
- if (c == 'y' || c == 'Y')
9 i4 o# n- H& u+ c - break;
# M% `% N$ j O; K - if (c == 'n' || c == 'N') { o: L1 Q: d4 `
- printf("\nAborted.\n");
. H. v& l2 s: J' {, B D - return 1;# h3 X3 Z, ^+ ]9 b+ y, o$ w
- }; y9 V# E( N, h$ i$ J8 q
- }3 t& b, H! s. i( W$ ^
- if (writeparam(mac, stbid) == 0) 5 q- L) j5 F* H& R6 _' ]1 e1 @
- printf("Parameters changed.\n");
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- return 0;, _2 d! p" O! f1 f7 u' }$ |3 L
- }
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