本帖最后由 0522 于 2012-3-21 23:04 编辑 7 Z1 G) W9 T9 F) U8 `; \5 n1 u
/ G+ [$ I; s2 K% R0 Z% M5 v$ U. l修改的代码早有了。到今天不会编译。
$ G* a- r9 a( M! F0 M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 P: ?7 e( g7 V) w/ D/ j9 E - #include <malloc.h>4 c- [5 p3 ^! n: s" K9 [1 a6 r u
- #include <sys/types.h>( s! b' N0 h7 x- `
- #include <sys/stat.h>' J/ Z9 I+ C0 p1 E% S5 a6 M( H. A
- #include <sys/ioctl.h>
. l) l$ N' @9 q: u/ u' D. d: F - #include <stdio.h>
3 s" D# k. c2 I6 |/ g- ?& z - #include <string.h>
4 ]5 q- {, b- {& Q) A9 k
3 j, R& z; Y4 N* F1 ]; d* `$ m- typedef struct {9 p4 u$ }' k" l( S6 K) S
- unsigned int e2prom_cmd_sub_addr;
* W, L- O5 I9 D7 a7 F e1 ~# T0 V& \ - unsigned int sub_addr_count;
9 I0 s' T5 D1 t! p' y0 u9 P6 S9 R - unsigned char* e2prom_cmd_data;1 ^. f# ]1 D* g$ \+ }
- unsigned int data_count;
' R* ^3 Q8 Q2 X8 e - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1; \" I' q: n* \. ], L
- #define E2PROM_CMD_WRITE 2
8 F- c) H% s- o- f9 n* C5 ]' Y# R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 \5 L" n8 ]0 O( G4 E' L
3 D ]6 m9 ^( x4 n" w$ A- static int readparam(unsigned char *mac, unsigned char *stbid)
( `8 [3 ]9 f- P2 m m - {
0 a/ c9 n; B9 ~: P" A _6 { - int fd, ret;/ ~$ [3 c1 i/ T- R3 q7 [
- e2prom_s_cmd arg;
7 |2 ]. \2 S t4 ]; ?' E, y - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
& z+ p _. R7 y3 U4 E3 `1 N& X* n - if (fd < 0) {1 l2 ]: H8 v( ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 ?8 L. ~3 w+ v5 e& _7 f6 D% Y; A - return -1;
+ ~& N2 E, |( ^ - }& j# D1 }3 H3 H7 F4 X
- arg.sub_addr_count = 2;
- N/ g) z, @' m - arg.data_count = 0x18;3 p1 i( o {6 M( E ^; `8 G
- arg.e2prom_cmd_sub_addr = 0x290;! e7 L' o% Y0 d6 q) s+ ^ m. l
- arg.e2prom_cmd_data = buf;
6 l4 [: r) w& x4 S- @6 K9 V - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 g( }- z* V, H3 ?6 E3 T - if (ret != 0) {1 b& ]% h' f0 G9 _& M4 l
- printf("Device %s read error.\n", E2PROM_DEVICE);
% t. i* ] B8 Z+ e - return -1;8 ~- i E: d+ u! f0 z, `9 A( ?& R
- }
+ P5 A) @1 O4 N' } - memcpy(mac, buf, 6);
* B1 j/ m8 i" L, b7 a1 c% d1 u - memcpy(stbid, &buf[6], 18);
l* L5 f. \4 K' ~3 B7 o6 j - stbid[18] = '\0';
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- return 0;0 q: L, x8 E, r: o
- }2 g+ D" s% Y! o/ u" E7 }/ s! f
0 V9 i( s. f' E# a+ u- static int writeparam(unsigned char *mac, unsigned char *stbid)2 @8 d; _8 `" A; r& G' L5 S. N
- {
# x7 L+ O! ~+ w, `/ E0 i - int fd, ret;" X$ c" M9 f) u" i
- e2prom_s_cmd arg;9 w# g0 n" f: N5 H( P
- unsigned char buf[0x18];. m* }9 P& y* Y1 Y
4 A: @- I8 z3 _( J5 |7 a+ r4 `- memcpy(buf, mac, 6);/ A' c: S0 P) |! C- v# f6 c
- memcpy(&buf[6], stbid, 18);
$ C( n ]5 r5 I6 a, j; c: N - fd = open(E2PROM_DEVICE, O_RDWR);+ S1 F' s) d% q9 r8 m$ x2 m
- if (fd < 0) {7 B# \. w& {8 i
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 Z. ^ Q2 }& t# j$ H R - return -1;
$ H' q. n: W' ?/ R1 q% e O9 D - }4 c& M! \5 b6 c7 }! Q. c
- arg.sub_addr_count = 2;
4 ?; L4 y% B; p5 u - arg.data_count = 0x18;) _( N6 R G+ `: X/ f$ Y
- arg.e2prom_cmd_sub_addr = 0x290;: w( `: K; q1 p
- arg.e2prom_cmd_data = buf;
$ J2 p5 ~- z$ v- I" L+ R: Q M6 i2 P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 C% C$ e& C" x' Z7 _7 V9 K( q
- if (ret != 0) {
! n5 X; x. p/ |5 e' |; `+ x- S - printf("Device %s write error.\n", E2PROM_DEVICE);
, } T) F( a ]7 d7 ` - return -1;
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- 3 v8 s7 Q0 y/ S" E& }' s) ?7 O
- return 0;- e# u) q* U. f" }1 ^ w8 V: V
- }
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# c2 e& g: L }9 R* d9 @, o- int main()
4 H/ Y+ T! O6 Z5 l - {. F" l8 n1 z# N* j3 r7 b4 q) r; j
- char c;: Y! y2 Y& r3 F* I5 @+ _" t
- int i, macs[6];
5 \2 L$ O! `, b) v- m - unsigned char mac[6];
& F& Y$ n G. |/ k* \ - unsigned char stbid[256];
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$ x- J. j h/ n( x4 I* q- if (readparam(mac, stbid) < 0)
2 y- @7 G& F% ?5 o - return 1;
$ L: V: i z* H+ b
2 ^. J0 N- _+ o& U7 \5 _; O4 o- printf("Current parameters: \n");
2 w$ K0 l2 _4 @6 } P( W5 P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( r$ \5 ` i2 M( r
- printf(" STBID: %s\n", stbid);2 ?( j& m$ J$ @# {+ c0 Q' ?& s" V
-
, F ^6 a2 K8 U0 ` - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% C. r4 g4 r. n5 n" h& c
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& g# o4 k7 F R) e, D - printf("Input MAC error\n");* C( ?( Y- m1 ~
- return 1;6 O8 I1 l% f C- i% L. T
- }0 A# a8 ^% Z. f$ c0 v- p J
- for (i=0; i<6; i++)mac[i] = macs[i];2 N5 r0 E; l3 K- m% L5 u% c
- printf("\nPlease input new STBID: ");
( ]# ~0 T" o7 }8 v - scanf("%s", stbid);8 s1 P* t2 @# V C/ ?- w
- if (strlen(stbid) != 18) {
4 Y8 u1 J$ ]# ?6 B! g - printf("Invalid stbid\n");0 Z" ^8 Z% ]& P% {+ c+ s% g* k9 V
- return 1;
# W g8 H- l& Y4 Y8 s: l: a, } - }2 G8 f n+ v5 j# b1 l, T' p& O
- printf("\nNew parameters: \n");
5 |+ O* c' ]' c0 a. i/ { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 y% d- O: Z+ ^5 p: @: M" Q - printf(" STBID: %s\n", stbid);
8 M/ f! r6 O- Y8 b. ^* q# } - 3 H7 \* t4 Q" T" W
- printf("\nDo you want to change paramemters? (y/N) ");
9 O0 H, L3 e& |& [- t9 q) B - for (;;) {
* M6 e' A# u: @0 u5 q - c = getchar();) K) G/ M# N L, g+ h& O$ a
- if (c == 'y' || c == 'Y')5 V/ b$ W5 W6 G [4 V
- break;9 z3 C% D* D3 g% J8 ^1 i0 ]2 P2 D
- if (c == 'n' || c == 'N') {
( e7 Y! ~) b+ D V6 t% X - printf("\nAborted.\n");
8 H- F* P6 i! e6 W! X* {4 E - return 1;, R+ t7 `$ ?1 b; d- a1 {" A* ~
- }
/ r0 a: V, m: z: S. m: i1 ] - }# m* t% j! i1 t* H1 W/ e6 q
- if (writeparam(mac, stbid) == 0)
1 f4 ~2 |* x2 f+ @) R - printf("Parameters changed.\n");
8 h. {6 I" k2 g | - % F' U1 b* b+ Z; T: r V
- return 0;
8 K+ x8 B: i% f - }
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