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。
/ a' V4 t/ R! u7 d' }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& K1 ~% }, N- Q) L# E" s
- #include <malloc.h>
! o0 p1 m) E, a( A3 \. C9 `" _ - #include <sys/types.h>. W2 @; }% ?/ m, x" {, F4 D- d- {
- #include <sys/stat.h>6 }4 Y& a9 u1 s7 _2 H2 Q
- #include <sys/ioctl.h>5 G1 w! T3 _/ @$ M, V; M
- #include <stdio.h>
% q# F& S3 r, U* o - #include <string.h>3 I$ X4 c3 s9 _- [# i4 D5 a& [
- # C3 z' Y8 |( @" H0 @3 J
- typedef struct { i# x1 i! e6 c" w" \
- unsigned int e2prom_cmd_sub_addr;7 m9 y- }0 x. O1 j
- unsigned int sub_addr_count;
0 j- L/ z0 M' I8 B - unsigned char* e2prom_cmd_data;$ V; d! t+ h$ @8 m( h) |' |: B; w
- unsigned int data_count;. W6 @6 O# L) D6 L. ~/ g: f+ u5 q
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
6 D% U- I6 O/ x - #define E2PROM_CMD_WRITE 2
5 Z# i+ O8 j, a, z+ P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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8 A$ V" u. N7 ]/ U' u. _5 @! G6 i1 w& w- static int readparam(unsigned char *mac, unsigned char *stbid)5 @& }, s4 t, s0 l& z/ x9 o2 r
- {' |% k/ b d3 l
- int fd, ret;
; ~' |. f1 h p/ D1 l - e2prom_s_cmd arg;
! A0 D$ T7 X0 S7 o2 w - unsigned char buf[0x18];9 W. S7 V' ^8 o& S
' V: D' w. j, {" t/ |6 p' [7 \5 P- fd = open(E2PROM_DEVICE, O_RDWR);) C& @* L+ e7 f! G, @7 E! e8 G0 {
- if (fd < 0) {! n1 n o: x- n
- printf("Device %s open error.\n", E2PROM_DEVICE);
|) ?: d) _) { p" @! R/ F7 L - return -1;
7 p+ H; y8 t, g - }
8 X& `% h4 o& u; M - arg.sub_addr_count = 2;
9 m+ I Y. ]& t( I7 e# E - arg.data_count = 0x18;+ `* ]7 V/ k- w1 F7 t; {
- arg.e2prom_cmd_sub_addr = 0x290;# |. p$ N; }5 R) g
- arg.e2prom_cmd_data = buf;* z, c" w5 {; z$ P( w' e
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 f4 e+ d' e* F8 m/ I% l3 l
- if (ret != 0) {
1 g0 ]4 r7 z* E2 |" P - printf("Device %s read error.\n", E2PROM_DEVICE);
+ p8 | K' B2 x/ |8 ~% ~1 D - return -1;: k$ w( `( O9 t# }2 n6 y* f
- }+ R" R( T |- l# I1 w* m: F
- memcpy(mac, buf, 6);3 ?4 T; ^$ \! U0 o. K6 x, q8 a9 m9 Q
- memcpy(stbid, &buf[6], 18);
3 s/ w7 ], P1 i) a# r0 E, V - stbid[18] = '\0'; c( f* Q( e, ~: y0 l
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)3 ]) n1 b2 o% b0 t. |; B
- {- { X7 w6 Z/ X% }. {
- int fd, ret; b% U8 d9 J) v$ m9 ~
- e2prom_s_cmd arg;$ U) g% ^( p6 @1 `* C, {
- unsigned char buf[0x18];
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3 k8 J. Z7 b9 }- ~* U- memcpy(buf, mac, 6);' n- a3 Q5 \" r E; |) S$ M( o/ a) G
- memcpy(&buf[6], stbid, 18);
8 O& e/ n' k2 P& p - fd = open(E2PROM_DEVICE, O_RDWR);
; @2 U% W, r* K1 h. C - if (fd < 0) {2 Q w: m$ p7 ]1 R7 `2 H
- printf("Device %s open error.\n", E2PROM_DEVICE);& m/ V# M- s8 M
- return -1;
, N4 v# c6 P. w: C) g - }
; ?9 W8 ~+ ^; ]5 @6 A0 |6 N - arg.sub_addr_count = 2;, _2 l/ `! a1 U( m
- arg.data_count = 0x18;
5 W5 j& [+ I" k: |5 s+ H" d0 Q+ K - arg.e2prom_cmd_sub_addr = 0x290;
- `$ G& O" `8 e, E( d& ^ - arg.e2prom_cmd_data = buf;7 t6 u) r$ A g' J8 }6 P/ h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ h. r' n) t7 E2 Z( L2 ]: h
- if (ret != 0) {3 W% o; s9 n- a8 U2 ~
- printf("Device %s write error.\n", E2PROM_DEVICE);# u# U: k& y2 U4 l
- return -1;) L- L8 Z8 { Y p5 ^; k
- }
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- return 0;
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! t" e( G6 P4 @3 d5 S( T& T3 _- int main()
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- char c;
5 \- s& @" X7 h% Q ? U - int i, macs[6];
( d, n, {7 \7 \( G- b& } - unsigned char mac[6];) W0 x3 f6 X ]" z% `1 ?" w
- unsigned char stbid[256];: u( E' \' r+ O, ?
- 6 @; d3 T D' g6 C+ f
- if (readparam(mac, stbid) < 0): @( p' R; L& y6 Y
- return 1;/ t5 e Y5 O5 O4 l9 B
- + Y) `; d0 m. @
- printf("Current parameters: \n");8 n O0 i T! _9 e$ }( D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: A, m/ W" S5 J3 r/ u8 T$ U: T
- printf(" STBID: %s\n", stbid);0 n, T" U: B& k R
-
8 Q3 ]' h7 N5 v% _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' c+ r2 B: S. M' K1 Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 H1 [9 X9 z- A* i- R- V7 y - printf("Input MAC error\n");
* _# h+ V8 u" w! C - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];% F! I' d& k% J# U3 n+ P
- printf("\nPlease input new STBID: ");4 |( i9 s& C1 W) d! J/ B! `
- scanf("%s", stbid);2 k9 R7 C# l& V
- if (strlen(stbid) != 18) {
$ K9 z! u8 O, I9 o( L% S2 X - printf("Invalid stbid\n");! [( @ A# m9 p3 d. c. g' H/ i6 s
- return 1;
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2 e% U5 g0 V4 R. y: t - printf("\nNew parameters: \n");+ ~1 V8 P+ U1 g$ H3 i0 q G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) N# E- \) ~8 J6 d! \; j5 y - printf(" STBID: %s\n", stbid);; S& z* m6 H* W+ w
: q4 A' a& v3 ]" W" ] ~- printf("\nDo you want to change paramemters? (y/N) ");
- A+ @8 a& g/ n( G1 E - for (;;) {+ h( |6 q. g. i. m0 U
- c = getchar();4 T( L& r) S" k
- if (c == 'y' || c == 'Y'): z8 K+ \% u7 j4 u* R
- break;6 T6 s! ^& y, s
- if (c == 'n' || c == 'N') {0 X! [& Y' q. [" f n1 ^! V$ [+ {
- printf("\nAborted.\n");
6 d/ N, {. a+ ^% B! v5 ]5 b) i6 x1 v6 r - return 1;
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- if (writeparam(mac, stbid) == 0) 1 L% w( l% N& q+ H$ G( H" d: v
- printf("Parameters changed.\n");9 ?* B X% s u: ?. z' O
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- return 0;8 R; l$ M+ q- d( a
- }
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