本帖最后由 0522 于 2012-3-21 23:04 编辑 : n, `: ^! h E/ u: T
" Z4 w* d1 U$ K e0 ^& w修改的代码早有了。到今天不会编译。
+ G7 t/ y- k) C; @$ `$ n; R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: G5 a" L) S+ Q8 n2 o! q( C - #include <malloc.h>+ ^ C. x0 T9 p+ S ~1 D) @! A( ~
- #include <sys/types.h>1 f8 a6 D5 b8 G) f
- #include <sys/stat.h> i. S! q3 Z: d3 b7 [
- #include <sys/ioctl.h>+ d% l1 b' s* S4 ]( ]/ y: s
- #include <stdio.h>
4 `" S! |: F4 l! B( F - #include <string.h>& X2 j' T6 C- m! V6 A6 s o
$ [" N3 V" O* [- u8 U% V- typedef struct {
; s( u, u. |8 V$ y$ D" u* N- \ - unsigned int e2prom_cmd_sub_addr; ?( K( p' N% B) H% ~
- unsigned int sub_addr_count;
# N8 o: ?# g9 e; X - unsigned char* e2prom_cmd_data;, m" `) {' R$ b' G* l6 R
- unsigned int data_count;( m) i* t* G3 a% ~
- } e2prom_s_cmd;
6 M% V Q- h6 L2 \* l, o - 8 `$ e0 X7 B- u& @# X1 c) \
- #define E2PROM_CMD_READ 1
a( J: i4 @& b# M - #define E2PROM_CMD_WRITE 2, J) y0 d- `* H' m2 e3 h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
& ^ @ o- X2 D; V" x
5 P" J$ ]/ H! B% ]- P- static int readparam(unsigned char *mac, unsigned char *stbid)
3 [- a8 S! X1 c - {) C2 s1 N( E4 R9 f& v1 k* j
- int fd, ret;
. f& m# Y7 s, R0 S - e2prom_s_cmd arg;
% M) D2 a/ v9 ?3 N) k' Y- @) v) w' B - unsigned char buf[0x18];- A7 R) j& ]& E: J/ G
- . [1 p' h [ z. i( C
- fd = open(E2PROM_DEVICE, O_RDWR);
' ?( l1 K) ^9 V* `. K - if (fd < 0) {
; ]# l, m" b: D! P9 u0 c% Z; J3 f* i - printf("Device %s open error.\n", E2PROM_DEVICE);# l! e8 a k p) g
- return -1;2 N/ z" V2 c9 _2 p L
- }( X- G* R% |% a- F' w+ R
- arg.sub_addr_count = 2;
. S- C; H* g/ B) b& T0 W - arg.data_count = 0x18;
' O7 D9 g+ `# M5 l" X5 p - arg.e2prom_cmd_sub_addr = 0x290;
5 G9 ^2 C' h! `9 @ - arg.e2prom_cmd_data = buf;2 [9 z% e$ ^: t5 E j" H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 D% @+ j: j' p* i& U0 r - if (ret != 0) {+ e$ [+ Q. P6 }3 T
- printf("Device %s read error.\n", E2PROM_DEVICE);
& w3 c7 I/ X. s8 W. |- S; O - return -1;8 }6 M+ \8 x7 R* U0 S
- }7 s. D# T5 h$ A' x+ C1 B; }& N7 F
- memcpy(mac, buf, 6);$ L4 b! ~2 v; Y9 x
- memcpy(stbid, &buf[6], 18);9 H5 N- ~1 L# a, L' r9 t |
- stbid[18] = '\0';
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- return 0;3 X& {% e; J0 q+ L# u% j8 x
- }* Y, ~$ [$ h) E6 Z) ~; j4 d
' R6 q: u. `7 U9 ]1 ~& a* Y- static int writeparam(unsigned char *mac, unsigned char *stbid)& x. q, U) t- ]3 d4 ]
- {
8 ], D2 \$ t- E$ J - int fd, ret;
: d( Y) N2 a1 W/ X$ a) [ - e2prom_s_cmd arg;7 R, [* k5 R6 o' L
- unsigned char buf[0x18];* t# B6 Z/ [+ M* {% N( {) \
% r3 e2 K# t: }2 U7 h7 s* B- memcpy(buf, mac, 6);
4 P) X1 }/ x1 B8 w - memcpy(&buf[6], stbid, 18);
/ a( R( o1 L' W8 d$ w - fd = open(E2PROM_DEVICE, O_RDWR);; n& D" U2 K+ [9 v) c2 @: G
- if (fd < 0) {$ U) z3 v0 k) f- Q
- printf("Device %s open error.\n", E2PROM_DEVICE); ^2 ]* r* J" U8 i
- return -1;
* I" |) Q4 s% n9 h H - }- M9 [/ _- m6 D- g
- arg.sub_addr_count = 2; Z7 Z v" B T- H7 f% O% I
- arg.data_count = 0x18;
( K6 S1 L2 T. Y# T! m; l - arg.e2prom_cmd_sub_addr = 0x290;6 p& M) h' e2 c
- arg.e2prom_cmd_data = buf;
" {- a# X9 m2 j Y: N A! ]' f - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
G/ c, V" K' c: O9 ~ - if (ret != 0) {' Z) `' o3 W8 m
- printf("Device %s write error.\n", E2PROM_DEVICE);% s# a9 T& ~; |9 n+ _ K+ [
- return -1;3 W( N2 U' q# |, ~/ u/ @: ?# j6 M
- }1 x* V' O# m. f: R
8 C7 N# P- R2 w& }8 |- return 0;- y% y. C0 n: P+ K1 v# ?$ @
- }
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$ m9 }& B: t& y- int main()5 G& B6 M1 v; r) S8 l
- {
' k4 H- {# v8 h. u - char c;
7 B. {- s$ o: p- H8 f6 K, l - int i, macs[6];
0 F- N+ z/ l$ d8 } - unsigned char mac[6];
& p# K0 h0 Z: ]! m! c. M! B3 U! m - unsigned char stbid[256];
# u5 K" I0 i- ]4 ] - # m* A8 ~ s4 z7 q7 G% j7 l
- if (readparam(mac, stbid) < 0)9 W/ f( B. M, ~7 t T+ Z" c, l* @0 |
- return 1;& q0 X: D- Z! q
6 |+ e! e) a3 |' W- printf("Current parameters: \n");
- s5 A1 s) _+ T& E$ c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 G$ ~3 ~# _1 j2 H
- printf(" STBID: %s\n", stbid);" |& w5 A4 x- R2 V. z {! o
- $ {2 V% J' E, V& p6 _
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' |1 C% R8 k" o# _' h9 R
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 ?3 z2 U4 v. M6 f* G1 j
- printf("Input MAC error\n");$ J/ R8 j% @3 R ]5 ]% ~ p2 R
- return 1;& q( [0 p! U, A
- }+ o2 S1 n& T( e4 c+ i) V4 _/ u; l! u
- for (i=0; i<6; i++)mac[i] = macs[i];3 K5 L+ l O" f9 N8 E; l( x7 z
- printf("\nPlease input new STBID: ");
* k! f, D8 }+ v6 ~1 ^) D- r - scanf("%s", stbid);
8 L2 X3 L6 d: }# j! L - if (strlen(stbid) != 18) {
( l# V! Z0 T8 A }# J7 j9 a, W7 m/ c - printf("Invalid stbid\n");& b3 @7 \, \6 _0 Z# |1 ^; W
- return 1;
r) x0 H) o: F - }
! N! h3 m5 b' z" j/ f! S0 h - printf("\nNew parameters: \n");
( o9 W; k& C, X. }, e- z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); v6 ]* V- U7 S1 m. R3 |5 E$ T
- printf(" STBID: %s\n", stbid);
% R, d+ z5 m! G4 ~( |
: P7 X# a& d9 f! M) s4 y6 I# ~- printf("\nDo you want to change paramemters? (y/N) ");
7 f$ g ]% R$ |) w3 x2 @( ?! x9 P - for (;;) {- v. O9 `9 P0 v! ^
- c = getchar();) z" C+ v/ h; ?! i, s
- if (c == 'y' || c == 'Y')0 r! V; s# Y4 V
- break;
2 K5 f- m" ~ g2 e; e - if (c == 'n' || c == 'N') {; e6 B2 p" T) {' ]
- printf("\nAborted.\n");
3 S1 n; Z) P' p: g9 S \7 ? - return 1;
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- }
% Y/ m. c. u. `6 B4 y# z - if (writeparam(mac, stbid) == 0)
+ B$ O$ P7 j* t( K. W - printf("Parameters changed.\n");* v) N* @2 F9 i, q/ F
- % [ F$ a/ g4 K- `
- return 0;
& |' Q. s& S- A - }
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