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。
' d0 Y/ ]- j( }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> i B X7 u# T/ w! L* o3 u
- #include <malloc.h>2 d. c& D$ A+ s& Q; C1 N ^
- #include <sys/types.h>
( m- y' j. I9 E0 [: {' U - #include <sys/stat.h>
8 P4 S; I7 B8 o# O( C - #include <sys/ioctl.h>
: T1 X7 f# \" f. _6 b/ W6 a! ~; f2 f - #include <stdio.h>
+ \* Y J! z6 ~$ @$ [0 { - #include <string.h>
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* a& k3 D R8 m! A9 H7 h3 e0 J$ E- typedef struct {
- A" Q5 B' A" ~ [' ^- E- H" y - unsigned int e2prom_cmd_sub_addr;" A3 @) b/ k" f# C U% r; O
- unsigned int sub_addr_count;
, d T, o9 O' y0 t# r5 a0 Y4 t - unsigned char* e2prom_cmd_data;
& H4 F3 }0 _1 K O+ E* P+ g0 J) m - unsigned int data_count;
- f3 k! ^9 F% N5 H s - } e2prom_s_cmd;
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9 M! z' o- n( _+ K0 l( t- #define E2PROM_CMD_READ 1
! ^9 d4 N, F, G; G - #define E2PROM_CMD_WRITE 2 H' W, O7 ]( w2 L; I, ^3 h% N$ \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
) V; r5 o. x( I8 q - $ {6 u7 U* F0 R/ _# e" g
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 X w7 i* L' y3 U) H* N( A
- e2prom_s_cmd arg;0 O% J+ m8 ?) L
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);0 J9 Z+ C/ R: z8 D4 m
- if (fd < 0) {
* i, Z/ Y; c) w - printf("Device %s open error.\n", E2PROM_DEVICE);. e6 Q. A w! N, `7 I* e. @
- return -1;
4 N: m5 \7 ~& k7 t& P% E - }
, X( U+ B9 b4 b- [: z - arg.sub_addr_count = 2;; V0 u7 r; b3 x" t
- arg.data_count = 0x18;
1 K1 ^" |: M0 n" C, ^/ f - arg.e2prom_cmd_sub_addr = 0x290;
" T! E3 V( ^& H9 m" a* k$ t7 R" d - arg.e2prom_cmd_data = buf;
1 ~; m1 P8 m2 l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" Z% C& z0 c, p5 J) K9 U - if (ret != 0) {
6 O( d* D6 v9 h9 ?8 j. i - printf("Device %s read error.\n", E2PROM_DEVICE);! j: M, J2 M; g2 I2 g5 o7 t: V
- return -1;- q# m: D! _& H& X
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- memcpy(mac, buf, 6);
1 x% a h; t/ t( A* _ - memcpy(stbid, &buf[6], 18);; q, y B" L. U" b: P2 z
- stbid[18] = '\0';/ z$ @" A$ n$ U) q
8 A0 ^3 X: Y3 y2 `8 ~- N0 A- return 0;! P) U+ U- W b$ p
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- 7 B8 r/ ~) ?2 S! B* o
- static int writeparam(unsigned char *mac, unsigned char *stbid)& _5 J; v7 x: \
- {
# ~' v4 u% h, y- M! X - int fd, ret;0 m: h4 L5 `* [" k, S
- e2prom_s_cmd arg;
2 _9 z4 Y4 @# b" U# {! H - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
. U/ @! }3 `+ Y3 L4 {0 e - memcpy(&buf[6], stbid, 18);
. D6 l0 P( ?, V7 t& y; ^ D - fd = open(E2PROM_DEVICE, O_RDWR);# q# E4 u7 R% Q' g8 Y/ L1 w, F
- if (fd < 0) {/ o) h5 y& O+ d
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ v0 i; k1 @$ P* l - return -1;5 R+ l b$ J( P& O" M
- }5 s) O1 B1 r9 b b% O
- arg.sub_addr_count = 2;
7 n8 p0 Q% g% @& {: N7 H; x+ y" M ` X - arg.data_count = 0x18;
U! Q% } m4 l4 U# f - arg.e2prom_cmd_sub_addr = 0x290;. F. T: X! T2 |& R
- arg.e2prom_cmd_data = buf; |5 K3 I ?5 a2 y( h/ j
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 m) F; d6 p# D$ o- C! O. Q4 V4 _
- if (ret != 0) {
x, E k: k c - printf("Device %s write error.\n", E2PROM_DEVICE);
6 w$ J4 O/ ~0 Q# N9 m1 U - return -1;
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- return 0;' q% [0 i) @; t4 P
- }
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- int main()
. O4 u+ |/ J( ~1 R. _ - {
8 z+ }1 C" ?; M4 h( e$ ~4 G - char c;; ?7 D1 _, \7 h4 `
- int i, macs[6];) x0 B x$ g' i
- unsigned char mac[6];7 J' [% F+ e+ O+ e, C
- unsigned char stbid[256];$ l4 q3 Z" w2 ^' J" P! s! v* w
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- if (readparam(mac, stbid) < 0)' B% ]0 v' o1 i2 J
- return 1;* t V% b8 t0 F$ ]! x
- ( D" W- H& i* \
- printf("Current parameters: \n");
7 h( c, ^) B& Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
~ _) l1 n q: C. f/ T5 ^ - printf(" STBID: %s\n", stbid);
/ ~% K8 v' A0 D/ B+ \1 i0 W -
( s4 w; n6 V+ m& B( c - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 Q* W! T% u0 c' j s% n - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 x$ B% _2 F2 o' Z0 l" @ - printf("Input MAC error\n");
2 K8 i( i: a' j" d( Z - return 1;( I* k d7 D2 n3 o& \! g- g( Y% r
- }$ [* }& _ k& F0 `6 @4 v
- for (i=0; i<6; i++)mac[i] = macs[i];* w# U) d0 g$ Z. R7 W" o
- printf("\nPlease input new STBID: ");
1 {# g2 Y5 ~% ?' T( v3 S3 G6 {, p s - scanf("%s", stbid);8 w& X" s4 M3 `$ V" t
- if (strlen(stbid) != 18) {
! X# R9 a# d. U( T. h4 ? - printf("Invalid stbid\n");
" m# d0 `- X1 |7 d - return 1;
1 Y2 P f4 y$ w& A7 H& i$ a - }
6 u4 M+ C6 l" ]" l8 j! Q- ?: D - printf("\nNew parameters: \n");
$ T4 L. y" J/ F9 Q' N D M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ }( b+ V' a5 J) Q& _3 g+ Y - printf(" STBID: %s\n", stbid);
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7 G. ^0 J8 w, z- printf("\nDo you want to change paramemters? (y/N) ");
9 k* J7 p2 `- L3 ~* X8 g2 t - for (;;) {
/ X- _/ A' J$ {- K - c = getchar();4 z1 k1 f8 i$ T0 ^) ^& z
- if (c == 'y' || c == 'Y')
2 T: \+ r$ o$ T+ k. v - break;% a& y2 a2 M. G/ d
- if (c == 'n' || c == 'N') {
9 _0 c G7 y4 H$ y6 C* V - printf("\nAborted.\n");' j( P$ d6 t6 R! u
- return 1;
) U6 K1 I' j- {' d: X3 T! g8 i: c$ W - }
, D1 K5 O2 m$ G. D' L9 V - }
1 d( a+ l' u1 x - if (writeparam(mac, stbid) == 0) : h# y( Y2 H1 ^' X2 G- A6 J
- printf("Parameters changed.\n");
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# b. i5 Y {" p( J2 K- return 0;
$ h1 T: C5 s: Q9 u2 Y9 n - }
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