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。: h5 T; ?1 d( I; W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: b) l; \$ v) W
- #include <malloc.h>& }/ t6 B3 T& C( e, ^
- #include <sys/types.h>
1 { h0 T, u) u. J# p - #include <sys/stat.h>
n8 z* C& ]! Y. T Z7 @5 g - #include <sys/ioctl.h>' \7 G" |& S' m5 d
- #include <stdio.h>3 k2 A- b; ]0 |0 v5 w8 X" O, y
- #include <string.h>
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- typedef struct {2 d# w! P4 w& ~9 ~$ m; l$ l! t
- unsigned int e2prom_cmd_sub_addr;: {; N/ N+ I8 y, I1 H+ Z( F
- unsigned int sub_addr_count;: w$ m9 _5 D8 j' `8 U4 e) H
- unsigned char* e2prom_cmd_data;& x3 Q5 y4 y7 q0 ~+ H- L4 t
- unsigned int data_count;
! L3 `! @& [! `, z) r* j - } e2prom_s_cmd;
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# m# R4 |( [$ e* I- #define E2PROM_CMD_READ 1
. h$ Y8 I0 I- B9 g# r2 j, [( T# z - #define E2PROM_CMD_WRITE 2
5 U% y; D0 D3 _0 Q: t8 g# |" i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 b& z$ {* W% W0 ^4 A* v
% i0 D4 ] P2 c- static int readparam(unsigned char *mac, unsigned char *stbid): {4 W! F4 j4 y% `
- {
+ ?- X8 d" C) y4 @8 ? - int fd, ret;
' V) q: Z) P0 R/ z - e2prom_s_cmd arg;
0 z* |" H' q2 F. l - unsigned char buf[0x18];) S9 C. B7 b6 f7 C
- 8 Z. d) g, o( J! \
- fd = open(E2PROM_DEVICE, O_RDWR);
, z$ u/ s9 W+ u4 V - if (fd < 0) {
0 r3 P/ {6 X8 B: R - printf("Device %s open error.\n", E2PROM_DEVICE); z( \) m& H8 f0 w/ Z3 g
- return -1;
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- arg.sub_addr_count = 2;
% Z3 c: {/ }2 W - arg.data_count = 0x18;! q) I( V! I! G2 Y c/ c* C3 a7 B
- arg.e2prom_cmd_sub_addr = 0x290;+ K/ ]3 t4 }4 z: ?7 r
- arg.e2prom_cmd_data = buf;5 N1 ]8 P- r( d) R6 F/ R1 o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
Y+ i- x/ P8 `) ?0 ^( D - if (ret != 0) {
3 h( {' v% c( H! y - printf("Device %s read error.\n", E2PROM_DEVICE);, S$ ^& i$ q, ]& @4 d
- return -1;
1 x* \6 `) i5 w: t. _2 ~ - }
% G7 F5 I& M- \4 b9 k# y - memcpy(mac, buf, 6);, n/ O* a4 J! Y4 H
- memcpy(stbid, &buf[6], 18);3 u# Q$ e5 \" @/ f6 y9 I
- stbid[18] = '\0';; M, R9 y7 n" x' i' n) d. \
- # H) ]" }" R: S5 v8 Y# g/ V
- return 0;* Q# j( I, c5 G
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 A) S0 r) V4 r5 y - {) R; i( K. F! R0 K
- int fd, ret;
6 Z5 {) V- _7 G/ k R# X& T - e2prom_s_cmd arg;* L) {8 H, N+ P% z/ U$ a& L4 }
- unsigned char buf[0x18];) B! e/ h4 q" w
' Y- w9 z) R# C( [+ B- memcpy(buf, mac, 6);
3 d; n5 U1 r0 u - memcpy(&buf[6], stbid, 18);
1 F' {" O% S: j" O - fd = open(E2PROM_DEVICE, O_RDWR);
5 k/ F: {) g! C5 t& a7 J- {: } - if (fd < 0) {& k3 {/ l6 u, U; F2 h# a( ?
- printf("Device %s open error.\n", E2PROM_DEVICE);$ B& A3 M; j" v: L. P
- return -1;0 G, b. s) B+ p2 a7 @! Z
- }
1 D$ d! _5 g( z2 |. A - arg.sub_addr_count = 2;8 m, N+ }" f" @/ o
- arg.data_count = 0x18;
- f# n* f- h* I3 j8 R - arg.e2prom_cmd_sub_addr = 0x290;
' U% N8 ^9 Y2 U) i e - arg.e2prom_cmd_data = buf;0 C; Q3 v6 g3 J3 M k( M6 b# v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 w" }* ~+ }* v3 t - if (ret != 0) {
3 G5 g. l( k" Y; G+ R3 W& S4 v - printf("Device %s write error.\n", E2PROM_DEVICE);
* O/ B3 I* m; x' {1 _0 r# e7 r1 q - return -1;
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- return 0;2 e2 W& r+ u7 A2 }* _
- }
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, r6 i# S6 k( v- int main(). L* A) M' x$ M& x6 m- z* d
- {( L! } f! W7 ^( n. S- a3 p6 w& K
- char c;
9 m1 O$ W1 M5 u) J" v4 U& I - int i, macs[6];
7 @' \8 `9 S, P* E- A- X; Z - unsigned char mac[6];0 {$ m S/ s( m5 u. |1 Q0 L
- unsigned char stbid[256]; c$ ]8 b x1 J1 l
( q. I; R! L3 C' J/ S% W' Y- if (readparam(mac, stbid) < 0)- o% u' D* V1 b2 C
- return 1;: w( m) m( f$ l, V: w
- 1 N2 j3 T2 }. G: u: a: H
- printf("Current parameters: \n");2 t' j' O7 D1 j; c* i% C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: ~7 o. T9 `% a/ _; n) Y
- printf(" STBID: %s\n", stbid);1 Y3 h# E, C. i2 s7 ^) F' f
- Q0 d0 m/ H* s$ `3 F" c
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 m% [( Y. b) [1 K* c( S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 Q/ N1 I! ~" C) b& S
- printf("Input MAC error\n");
0 G# J/ I/ w B0 Z6 y$ I$ J n - return 1; B$ M+ b% V9 D0 E4 P7 a ^4 f
- }3 s! C+ c# Y7 `( R, E
- for (i=0; i<6; i++)mac[i] = macs[i];
/ L4 I, C# U2 e7 o7 [* V0 A - printf("\nPlease input new STBID: ");
" M" ]8 i- y( p. K+ Q - scanf("%s", stbid);1 s% I) f7 E* A4 }& W4 W
- if (strlen(stbid) != 18) {" A4 [+ O7 d% ]) z3 [
- printf("Invalid stbid\n");
) F4 _: M% Y$ r; v - return 1;8 z+ @9 b* t+ j7 h' G9 ~
- }) J0 X- ~1 n1 C5 k+ H- l
- printf("\nNew parameters: \n");
- V8 \5 z" G' @0 [' s. r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 _( p% C( B* i - printf(" STBID: %s\n", stbid);% M# Q [# b6 b
- # F: e0 A! d, U; \
- printf("\nDo you want to change paramemters? (y/N) ");
C# h U! H' E8 U; E. I: { - for (;;) {$ \( _- l- c2 F. q, [( P
- c = getchar();
$ W) C* K& Q) H1 U% c) {/ } - if (c == 'y' || c == 'Y')
7 }6 x2 r3 m7 L% y4 y - break;
/ i4 M6 S6 O5 { - if (c == 'n' || c == 'N') {4 c* G! a$ M% `% ^3 O7 k
- printf("\nAborted.\n");3 X$ i( S: n/ L2 A5 w0 O/ V
- return 1;
h2 i7 B( O6 L8 G- H+ M& X* t - }
# j# r2 O7 S1 |+ a! H7 |( K - }
0 c4 ^/ c) _2 \) X7 Z - if (writeparam(mac, stbid) == 0) ; t9 q# S7 C1 ]
- printf("Parameters changed.\n");5 B4 K8 h+ ?4 g; Q8 k( G
* a6 N* m6 U" d& [- return 0;" ]+ D; A) J# p6 b3 L
- }
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