本帖最后由 0522 于 2012-3-21 23:04 编辑 % \3 p+ X' f5 \/ u4 z& n
/ e( f- S6 q, _. U6 E: e修改的代码早有了。到今天不会编译。+ s4 A7 h, T4 _) S1 e
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ L/ {' k4 Q, Q, e6 S1 t6 l - #include <malloc.h>
0 u3 I$ p- k9 U9 J% L9 i( R - #include <sys/types.h>8 `4 R) D( |' V H( A- T* _
- #include <sys/stat.h>( I" B" O$ D8 l! n% B" C
- #include <sys/ioctl.h>
# E; H& s" i/ }, d, q- G: L, t5 T( \+ _ - #include <stdio.h>% u" T# q% ]* m. V" l' y* R
- #include <string.h>
+ u4 ?) i/ F, I
2 _2 C# d. }( T% R) U, ?# R- typedef struct {) O6 i5 x/ r4 L8 q1 c( T' b
- unsigned int e2prom_cmd_sub_addr;
$ m5 a* e [ w/ B* X5 ^ - unsigned int sub_addr_count;
0 ~5 z8 c1 v8 z2 B) }: B4 K) J - unsigned char* e2prom_cmd_data;
& j2 ?( {: S& @' n9 n - unsigned int data_count;: z$ z9 Z/ x% ]- q6 u* j
- } e2prom_s_cmd;
. ]; o/ J, |3 D+ c
, w0 Q' S7 f+ B- #define E2PROM_CMD_READ 1
' z! r, o! f4 H/ u0 c" j: ` - #define E2PROM_CMD_WRITE 2* W0 e( G: Z; x. Y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" e2 Z" ~1 r0 D( {( p5 a
- ( A" Y: s8 f& b: }- ~$ G
- static int readparam(unsigned char *mac, unsigned char *stbid)9 b- A b( d6 k. P" D
- {
0 D3 e5 {: m( {# V# X" H4 R - int fd, ret;( l5 W" c4 n8 Z% K* ~* z
- e2prom_s_cmd arg;: x$ ]" A# D% f! e) ^7 [" ^' K
- unsigned char buf[0x18];
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9 P0 M9 R/ e3 n8 @4 n# w& R- fd = open(E2PROM_DEVICE, O_RDWR);$ \8 ^+ J& ^8 ?1 R
- if (fd < 0) {% P( a; z" S- v1 ]
- printf("Device %s open error.\n", E2PROM_DEVICE);
- A5 K8 B& v7 n' O0 ~ - return -1;
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- arg.sub_addr_count = 2;+ f: {* @# a, `" @4 _" E7 F
- arg.data_count = 0x18;. x$ q9 I q: k8 F( |
- arg.e2prom_cmd_sub_addr = 0x290;
8 l' O6 ^1 b* Y - arg.e2prom_cmd_data = buf;
" `' e$ U4 E. P0 z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' T/ C" q8 R9 d0 N0 z
- if (ret != 0) {
' J% j4 b- z0 Z* O - printf("Device %s read error.\n", E2PROM_DEVICE);
+ C1 T; w' j0 n+ ? - return -1; s0 p6 l5 I9 S8 J
- }
% t0 o: c' H! L8 S3 z/ u! i - memcpy(mac, buf, 6);
2 D+ ?5 t0 h. N9 Q# c+ M4 s - memcpy(stbid, &buf[6], 18);' W4 }3 N9 v9 z) ]. y
- stbid[18] = '\0';6 E/ J) H* j$ }2 V
7 y; W: P9 J, c8 C3 V3 S- return 0;: w9 r5 i/ G0 W% B- l6 _& T
- }, Z" P: r6 I, ?* d9 t5 b) L
4 C5 J( v, u5 L0 M- static int writeparam(unsigned char *mac, unsigned char *stbid)
. O+ @7 M" }; }( _% I! M i - {
, p' K& {* N4 t* D1 d - int fd, ret;
! Q: z/ ?* P( @, n+ p& ] - e2prom_s_cmd arg; |. U; i5 {. ^! {
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);) o! T/ m$ K: ] P
- memcpy(&buf[6], stbid, 18);$ z/ ~1 a. Y" R$ q M
- fd = open(E2PROM_DEVICE, O_RDWR);
3 T/ w, x& x9 J - if (fd < 0) {
2 k, n2 S5 W/ f4 Y7 [, z - printf("Device %s open error.\n", E2PROM_DEVICE);
$ m" s7 l( a5 G' X - return -1;
3 \$ y+ U, u0 |1 ]6 X - }3 [) S' e3 C; i
- arg.sub_addr_count = 2;% d' Z5 r# H$ z! ^5 d
- arg.data_count = 0x18;
, d) [4 H& t& t- L* X& x - arg.e2prom_cmd_sub_addr = 0x290;
. G# K9 j z* W: e! P0 p1 |) R - arg.e2prom_cmd_data = buf;
. S( e+ t* k! p5 k5 D - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; z( l! w( r6 e- N* f+ E! g( y; W - if (ret != 0) {
; L8 p: A- _6 j) ? - printf("Device %s write error.\n", E2PROM_DEVICE);( x& u# Q. c+ H3 C5 j
- return -1; B( i) ?4 V" g& k
- }
* |* H; V0 t5 n' j( ~! P I; }7 x0 T, O - 6 Q3 c- |7 z: f( O
- return 0;
% \3 \$ a: R3 M: c. u' \ - }
8 n( x0 m2 {; b" Q - / {/ z) E7 P* K: I; u# f! s9 f
- int main()
L# w* ^! ]- g3 s; L6 o - {4 s$ m2 a! U z$ K; }
- char c;
0 X! P. r) @- H& U2 |0 ~: f5 [ - int i, macs[6];+ L5 I o X4 C# Y
- unsigned char mac[6];
# O+ r( ~8 `. O: R& j- }+ c2 r - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
9 s; x* t6 f9 _, T, F - return 1;
- ^5 t0 g, Q. C5 r, F
2 n# I X/ W: ]( X! v- printf("Current parameters: \n");# ~, k! |/ `0 Q) `# X5 t. B4 v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! ?- P# o9 t' E, J
- printf(" STBID: %s\n", stbid);
5 j$ W: i# ]# G9 f) x7 o$ m' Y -
& f. V8 W; x: f& g0 t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( c1 V: j w/ F$ B- ~
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 @- j) G$ m8 h2 M6 h
- printf("Input MAC error\n");
' g2 t! p9 K* V5 S4 ^ - return 1;
" e, C9 ]0 [% k6 q4 S$ i# l5 v - }
9 T. Q% M2 G. X4 t2 t1 E - for (i=0; i<6; i++)mac[i] = macs[i];7 |: c% E# o" K/ f
- printf("\nPlease input new STBID: ");) G' O7 m" n; m- s
- scanf("%s", stbid);6 ~- m# V4 o, ~2 _+ S4 X3 f
- if (strlen(stbid) != 18) {2 w( M# f0 d. T! d/ j/ Y
- printf("Invalid stbid\n");7 \2 y6 j4 z& u1 U8 @6 i0 f
- return 1;. [& f( V& Q- U1 S
- }* J+ t- T, L7 j# \. X: F% q
- printf("\nNew parameters: \n"); Q* b, w: e2 u& ]% c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 K; C" H$ G- N; B' v2 C7 l, B - printf(" STBID: %s\n", stbid);
) {; Z) V$ h# w8 v2 X0 o1 C; A5 P - & y# |8 S8 h; L5 E1 v4 ~1 C
- printf("\nDo you want to change paramemters? (y/N) ");
* P$ U- O' I) e$ f. S3 V - for (;;) {0 I2 N; p$ M/ j* t! j- Y
- c = getchar();
& R, P7 b- c6 i- X - if (c == 'y' || c == 'Y')
$ @0 Z! L2 S2 p6 K2 p - break;( h% _* B: T% k' v
- if (c == 'n' || c == 'N') {
$ s: p( g1 V2 S - printf("\nAborted.\n");2 x" W" X! s' u+ V- ~8 h! t
- return 1;5 X# ^/ r' S* n) H. K. Z' @
- }/ ^. a$ x8 a4 j+ ~8 x D
- }
3 H/ a! V) g# I- w) k6 [$ n - if (writeparam(mac, stbid) == 0) 4 b1 ^$ R% F! R
- printf("Parameters changed.\n");8 x8 e J! O& p+ f4 @% [
- ; z, u+ W9 N! x0 L; z
- return 0;
8 Q' m' C- }& Y! A; f* h+ Z - }
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