本帖最后由 0522 于 2012-3-21 23:04 编辑 & A( C* v0 G0 F4 K
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修改的代码早有了。到今天不会编译。' b& f# t3 S6 [
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: G* ?/ b# S: \3 O5 ?2 J - #include <malloc.h>
* s# b# c: s0 a) z* G* p# G - #include <sys/types.h>5 Y# D4 j* j+ l3 o) o
- #include <sys/stat.h>
6 C0 ^9 G! b8 E, z e$ c - #include <sys/ioctl.h>& B( N0 s: B- u3 Y
- #include <stdio.h>
$ ?- u! n" v7 x8 i5 z+ n) j8 x - #include <string.h>
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- typedef struct {: Z6 v% X' V8 ^4 H& q
- unsigned int e2prom_cmd_sub_addr;
' j. c _/ `+ ] - unsigned int sub_addr_count;
- f# J, x, e! G) u8 J - unsigned char* e2prom_cmd_data;
( y2 w$ q8 n+ x: D+ x, b4 N - unsigned int data_count;9 t- M- Z* _ O
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
. K1 P7 Q6 a& }* Q! H+ ~% u! W - #define E2PROM_CMD_WRITE 20 ? i$ q B& _. E
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 \7 r. P' _6 y" ?8 H
- B' A7 u. V) c9 d
- static int readparam(unsigned char *mac, unsigned char *stbid)
, m. W0 V$ d; n% ^2 K; K - {
5 ^+ v, F2 G; S5 L1 Q% N# I$ q - int fd, ret;
8 `% S' T' t4 R3 A/ P+ @ b1 t - e2prom_s_cmd arg;$ v/ n h" Y2 d. U! o
- unsigned char buf[0x18]; d8 K$ G/ W* H1 w$ N
* g& h3 e: r X% Z- fd = open(E2PROM_DEVICE, O_RDWR);! s' k" O( G& q8 X3 e/ Y
- if (fd < 0) {4 h0 \ H" F) y; A
- printf("Device %s open error.\n", E2PROM_DEVICE);; [% | r% S( i
- return -1;8 [! H; C k( E
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- arg.sub_addr_count = 2;, c" j* D! _6 R/ n! ^! |
- arg.data_count = 0x18;
4 q5 ~: @7 z: y8 @% s* k - arg.e2prom_cmd_sub_addr = 0x290;
3 d M- `6 C9 n% [5 v - arg.e2prom_cmd_data = buf;1 f. J9 t+ ~3 |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 u5 L! J# p7 M$ c
- if (ret != 0) {6 h; b, | _0 r4 I3 F6 ]. z
- printf("Device %s read error.\n", E2PROM_DEVICE);8 L% p. }/ @0 I$ F& B
- return -1;
f" `; O V; ~# U% d6 a - }
/ w* v2 O" N T% g+ h' ] - memcpy(mac, buf, 6);7 Y9 d5 {" M8 Q t0 j/ g) I
- memcpy(stbid, &buf[6], 18);* k0 q, I4 d0 P$ A2 E8 b7 F
- stbid[18] = '\0';
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, S! F3 n; A' X. C* t* Z3 C- return 0;7 ~% Y7 z# o5 ?! A* y1 A/ |7 g2 m
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)# @0 q; M. d; W8 y: @* z
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- int fd, ret;& ?- v2 Z4 N4 s1 x) ^; G
- e2prom_s_cmd arg;( a: e% O( B: M) r
- unsigned char buf[0x18];
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4 V3 v6 Y' F5 R- memcpy(buf, mac, 6);
/ V* s8 v+ I5 o% l. C& Y+ { - memcpy(&buf[6], stbid, 18);
/ d: v+ Q, z4 k0 G; c - fd = open(E2PROM_DEVICE, O_RDWR);
4 V0 v% W' v/ M" x - if (fd < 0) {/ t: J# Q) l3 c- B) \
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 Q" X) ~. P5 ~4 v/ X8 N6 J - return -1;2 B! Y7 R% o# u" G
- }
4 {9 Y+ B% P/ G# W/ y% @0 e1 J - arg.sub_addr_count = 2;+ u; q8 Z6 q0 O! D
- arg.data_count = 0x18;" h2 W( ~$ b4 k1 ?9 a4 ^3 W( H& O1 ^+ Q
- arg.e2prom_cmd_sub_addr = 0x290;% K9 T7 G% Q+ r0 I2 w9 C
- arg.e2prom_cmd_data = buf;, `- G& h8 p( o2 z! k x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 Y) v( a2 Z1 p1 ?2 Y( D2 ` - if (ret != 0) {
' z# A% k3 o- J - printf("Device %s write error.\n", E2PROM_DEVICE);! H, U$ w7 t( p+ N6 l6 ]8 W
- return -1;1 m& D; S1 K, m0 n8 [
- }7 G7 n( k2 Y) Z& W& |) O% P
) e+ [+ d2 r4 f b# t- return 0;& v) h0 z2 _' ?5 J, i
- }# e, P" H: {* t0 {; \' E
- j# }, }* W+ s- int main()3 j: ?, Y1 M( v" o2 P% F- e. v
- {
8 E3 k& }) [" L% L! g1 L8 F - char c;
/ n6 l2 _* p# E6 H& f - int i, macs[6];! {3 g# b% v% [. q3 u2 {0 J6 p
- unsigned char mac[6];
# x$ C1 r' O8 H; Z$ i - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
" z3 F8 W: L. h. ~/ Q. |) M9 \ - return 1;* u! j; }6 ?0 w3 s) C, L: a
- 0 g, D6 E/ {3 |5 C" M
- printf("Current parameters: \n");
& \" b" J2 R: T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( }) Z0 Z3 n1 J# U' w - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 B/ b+ c' V# \" k' U& D% c; u - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) Q$ g, u' @' E8 G5 ?. B! ^ - printf("Input MAC error\n");5 E1 I7 s( q4 D* P0 i% }
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
8 d1 Z5 q# R- x( u* ~: x) L - printf("\nPlease input new STBID: ");. g4 _. f& m' ]! Z
- scanf("%s", stbid);
3 B; l. m4 m7 u6 C3 {) F - if (strlen(stbid) != 18) {2 L* A% q& S3 V" |0 @# y
- printf("Invalid stbid\n");( y: x8 } c9 v* D ]- ~
- return 1;4 C8 A( m8 P6 _/ N- q8 b$ U9 K4 |+ K
- }
1 [ H" ]- Q/ ~- D+ R, S K- U - printf("\nNew parameters: \n");3 @* Q/ i$ ~8 @* K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 a0 F6 O8 S8 ~, x+ f! G& K
- printf(" STBID: %s\n", stbid);* m( C; c1 t! L7 \
- * ?" z8 k/ x" x8 D6 v" F
- printf("\nDo you want to change paramemters? (y/N) ");/ j; Q8 L! {+ h" c
- for (;;) {- ?& X( j, k, D
- c = getchar();6 D0 ?- P; e8 s
- if (c == 'y' || c == 'Y')
u+ | j) A: _+ O* T - break;$ ?2 C* j( P! h/ x5 ^! T" f2 \
- if (c == 'n' || c == 'N') {
P9 W9 l( f5 T - printf("\nAborted.\n");" V2 Y6 P) b8 y+ G: U* i8 P
- return 1;
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- X5 r6 n) y# M& ]8 X. c - }7 m6 _4 A* z* V, Z9 v1 A, Q1 D
- if (writeparam(mac, stbid) == 0)
6 P+ ^9 M3 w# h9 V+ l' v- K7 M; D - printf("Parameters changed.\n");
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- return 0;* [ h: H* ^+ X; t( r. [
- }
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