本帖最后由 0522 于 2012-3-21 23:04 编辑 7 M5 t8 E4 C" N1 }
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修改的代码早有了。到今天不会编译。# x3 H0 j. h/ q9 ~8 Y+ q/ n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 }2 r/ o- R. I+ M' H; B; `
- #include <malloc.h>6 m3 T$ n- w% g; [' f" F) S
- #include <sys/types.h>
! h/ ~; t9 O$ z - #include <sys/stat.h>
& L/ [9 {6 t, _: S5 w9 X7 S - #include <sys/ioctl.h>( N& j+ j; M/ P3 M( d+ Z
- #include <stdio.h>, T* e2 v& ]" B/ |8 v
- #include <string.h>
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" s! q+ V7 I7 w1 Y/ z$ s; h% i- typedef struct {$ K: x l5 L2 }+ Q4 L, y
- unsigned int e2prom_cmd_sub_addr;
1 ^8 Z! h5 g* M" X! O+ J, B - unsigned int sub_addr_count;* t0 k# e- a4 K+ x/ L# d( K
- unsigned char* e2prom_cmd_data;. Y& h' E }4 q$ f5 _
- unsigned int data_count;- C: G8 D2 e6 G1 k
- } e2prom_s_cmd;$ b+ N! |! Y% G6 y0 X
' I7 [9 t8 O) D2 E$ o: y3 V! j- #define E2PROM_CMD_READ 1
: Q% s+ [( f' h1 _# @+ Z+ B - #define E2PROM_CMD_WRITE 2& e7 N: j( H6 Z! p$ s& u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 f( M7 |1 Q' g$ c/ @; E% i$ g0 w5 T# b/ a- static int readparam(unsigned char *mac, unsigned char *stbid)
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; N1 o4 k7 ?8 l$ a! l4 d0 ~ - int fd, ret;% G( G+ d. U" y/ m9 h& { |
- e2prom_s_cmd arg;7 E0 ?; r7 x; V5 L7 h/ T: [) p
- unsigned char buf[0x18];! U' I( f$ O" h5 l. a z1 g" d
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- fd = open(E2PROM_DEVICE, O_RDWR);4 A% S, r1 @5 K: n8 N. W2 \2 j
- if (fd < 0) {" D b) Q7 c2 \! j- d* _4 L# i3 V
- printf("Device %s open error.\n", E2PROM_DEVICE);7 S( @+ ?1 R) n" [+ P, H' N' D- C
- return -1;0 }0 k, i& a7 ^+ U( U$ G+ x2 Z
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- arg.sub_addr_count = 2;
8 u) U- k* D; s2 r" K - arg.data_count = 0x18;
/ I* h" }8 |( x9 W# ~ - arg.e2prom_cmd_sub_addr = 0x290;' a3 f, I1 _! t9 I, X2 g
- arg.e2prom_cmd_data = buf;2 K" y! s% }. k1 n
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 {) Y6 M" T& O1 Z8 X( k" u* x/ d - if (ret != 0) {, }5 {/ s# D% x _6 q; y
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 [, ~1 `6 n% S1 s; }2 u; L - return -1;
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v: y' M$ {; C% ]' X: A+ J - memcpy(mac, buf, 6);
, K% E: w3 ~1 K% i+ [& y - memcpy(stbid, &buf[6], 18);, X6 v9 [" f" E4 I( ~0 w% A
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 Y. f6 ?, b) r8 W4 D5 O - {
' `5 r7 `8 N" V# ~1 d* T2 D - int fd, ret;
+ V: D9 I4 f' c: ^0 v$ i - e2prom_s_cmd arg;5 g6 [, |! F0 Y4 G1 ~. [/ I
- unsigned char buf[0x18];7 p5 _ f3 }$ l" X
* {9 K* r" K7 Z2 K9 j8 A- memcpy(buf, mac, 6);
( N# E% _) q1 n! _* D6 ~9 r3 Y4 B - memcpy(&buf[6], stbid, 18);. _% r- Z* L8 t4 j' P; m
- fd = open(E2PROM_DEVICE, O_RDWR);
) m5 A8 X: ?" q& I0 D3 A. r$ ~; i - if (fd < 0) {/ Z1 [. X( L" `3 X5 y+ f9 ~$ h
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 w1 j5 X% ?: y1 U0 o% x - return -1;
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- arg.sub_addr_count = 2;# I7 V* ^) R- d( D
- arg.data_count = 0x18;
$ P, |! J! l7 _) d' e5 H - arg.e2prom_cmd_sub_addr = 0x290;" o) `2 Z3 S; N( ?. L
- arg.e2prom_cmd_data = buf;" ~- u5 o2 b. ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 U9 b8 r; T9 x* I; z4 N; k
- if (ret != 0) {
( v. T. N4 e0 ~1 J4 l - printf("Device %s write error.\n", E2PROM_DEVICE);
, Z2 i. B) q- l' p- K+ J' R - return -1;
- `3 H- k3 p. [$ G$ f) q - }
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9 d0 b! R2 J8 N" m J# W+ A5 o f! d- return 0;
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- int main()
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- char c;8 u- ~2 H: C/ `" y3 D9 I7 P
- int i, macs[6];
' ]% t# e' o3 f+ y- n, Y2 z - unsigned char mac[6];
& g* s( C( h: A4 \' u+ t - unsigned char stbid[256];5 h8 r6 E" H7 s7 G( ?
& |8 s9 T, F9 [- if (readparam(mac, stbid) < 0)# v0 v2 k) J6 ?* i
- return 1;
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- printf("Current parameters: \n");
4 H) k! B% P0 m+ C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* H/ s8 d5 D L - printf(" STBID: %s\n", stbid);& h! R4 F) X+ `3 V2 t4 l* k
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 n4 Y- U; [1 g4 l: U) }9 Z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. L" G. Z8 G+ s - printf("Input MAC error\n");
2 B2 R: y: @0 n6 p6 o2 j) } - return 1;
( `7 }$ N9 h; q0 m$ C5 ? - }
7 l2 {! H6 Z7 |# N - for (i=0; i<6; i++)mac[i] = macs[i];
' V# O- s* V) _5 N. k( j% Y! I - printf("\nPlease input new STBID: ");4 x2 {) p5 a% }" s% w m
- scanf("%s", stbid);
9 ?: m, K2 F) Y# Q - if (strlen(stbid) != 18) {6 |4 Y) H% `0 U% H, }/ C
- printf("Invalid stbid\n");
( v9 z ]3 Q* { - return 1;& Z/ a, R* X3 e" G
- }
- q' O( d7 B8 c9 u9 @7 v! { - printf("\nNew parameters: \n");) O0 S! w1 x% u* Q% l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; g/ V. h7 b u; b
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
. h' `, ~ `* r/ j( X - for (;;) {* l8 j; F5 R& s) c8 E4 b
- c = getchar();
+ n0 O# u c) _0 l1 f- Z - if (c == 'y' || c == 'Y')
" s9 i3 k* @5 s2 n, E( W - break;
7 i+ A$ s! `0 v+ l - if (c == 'n' || c == 'N') {- i: J) `" U) E
- printf("\nAborted.\n");
8 I& @* l U: I% q - return 1;
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2 {% U6 J, r* f {6 C3 f, D - if (writeparam(mac, stbid) == 0) 1 ^2 V5 n$ r, x( c" P5 \
- printf("Parameters changed.\n");: N9 w. K1 G" A( ?1 q" {
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- return 0;
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