本帖最后由 0522 于 2012-3-21 23:04 编辑 * ~3 ?6 n4 P( E
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修改的代码早有了。到今天不会编译。
: C, S' y; T) p- n需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; R4 y2 y& F' r6 F9 l1 ? - #include <malloc.h>6 e, H' @* R* y
- #include <sys/types.h>9 S, @4 H' R3 r
- #include <sys/stat.h>
1 u# o# K' I( k" K+ r9 C% @ - #include <sys/ioctl.h>
9 H9 z, [+ s0 ]1 Q7 X0 B - #include <stdio.h>5 I& r+ L3 c: `: |# }
- #include <string.h>
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. `( x$ O2 L5 a( G- typedef struct {7 Y9 P& F+ k6 o, Y9 T* j3 U' E
- unsigned int e2prom_cmd_sub_addr;! `6 x) \& B" K) T7 a
- unsigned int sub_addr_count;8 x+ d8 L! w" X8 e7 z5 l
- unsigned char* e2prom_cmd_data;+ V; D' S# a v7 y1 B2 \
- unsigned int data_count;
: g( W+ w( Q. J! p: K% J' Q& s - } e2prom_s_cmd;: ^9 D7 |3 v, u* m
- - n. f1 N4 T3 ^/ {
- #define E2PROM_CMD_READ 1 \: h. x5 t- n, D
- #define E2PROM_CMD_WRITE 2
; m8 v1 ^$ t l) e- o6 v - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid): | X) a2 _- a, g$ j0 ~( ^1 g
- {
2 K d8 A7 M8 J; V - int fd, ret;# `0 z; p, \; }4 f% E0 N
- e2prom_s_cmd arg;% M0 t2 }0 }, H7 ^
- unsigned char buf[0x18];
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! n& h3 ^0 Y3 j( t- fd = open(E2PROM_DEVICE, O_RDWR);
9 w4 t4 R: p/ J; r% G# D s - if (fd < 0) {
* T4 y. z% Z( a7 G - printf("Device %s open error.\n", E2PROM_DEVICE);0 J" b& U% s! {* O% z& q4 d
- return -1;
9 V5 |2 u2 W& m) r, r& G) j4 K' y - }5 v0 Y# z/ b2 F* C, E8 D
- arg.sub_addr_count = 2;
/ p5 d) s; T( x; O3 P- ~# w8 t - arg.data_count = 0x18;: l! }% ]0 c" u6 Q
- arg.e2prom_cmd_sub_addr = 0x290;
' J; B! j: h& c& q* z8 A - arg.e2prom_cmd_data = buf;: y4 h5 } X. v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 {- O& \/ w4 O
- if (ret != 0) {. p6 f+ h l. W/ n9 F, m6 O, ]
- printf("Device %s read error.\n", E2PROM_DEVICE);, Z y) { L8 S0 ]; r$ r
- return -1;: l( W9 r: B) L4 y
- }
; l0 I6 |1 A! g+ ^6 H% x1 x3 N - memcpy(mac, buf, 6);
( t( p* l* x6 |: c+ l- ?" N( u8 e - memcpy(stbid, &buf[6], 18);
+ v# R0 C! J- B9 ]" n: k: t - stbid[18] = '\0';+ C# J: \6 C, T7 ^: u
- ( V- | l f; o; y( `. I, f
- return 0;
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$ S* A* P7 d% [' J4 ]6 c- static int writeparam(unsigned char *mac, unsigned char *stbid)* c- P5 [0 r: y
- {: a& H! N! ?' d+ _! p Q' [% {
- int fd, ret;$ N8 ~( b% i1 q/ v: v4 J" N
- e2prom_s_cmd arg;
1 E" M+ c- k+ o6 I; A" x" U) `# y - unsigned char buf[0x18];3 S G4 Y% B2 f
* h9 S6 p x( U. h- memcpy(buf, mac, 6);
! z' I4 a( P2 f; X: [- y - memcpy(&buf[6], stbid, 18);
. h9 A% i5 q" N - fd = open(E2PROM_DEVICE, O_RDWR);7 a$ g; X$ G+ N% j3 F; Y( D' ~4 |2 C
- if (fd < 0) {# p4 x" }6 I4 I: t9 R3 z' c
- printf("Device %s open error.\n", E2PROM_DEVICE);9 s) W' r- A. i3 q; V# c4 p0 O
- return -1;" `% m( q' h5 B4 R0 X/ c1 H0 T
- }% B) a( `) @. B! C5 j6 j; R
- arg.sub_addr_count = 2;( z$ a# \+ w. i( D! `8 ]& [
- arg.data_count = 0x18;
9 M4 M6 p- I0 d ~1 D - arg.e2prom_cmd_sub_addr = 0x290;
& c- w9 O/ i% N2 q3 k/ } - arg.e2prom_cmd_data = buf;9 {; i2 Z9 }. @+ w3 i: Y) ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, y2 e. T1 @/ {8 u - if (ret != 0) {
|) v( h8 X3 e# {5 c- ^, D% d - printf("Device %s write error.\n", E2PROM_DEVICE);: E# H) K+ D0 S7 |: t
- return -1;& N t1 j# o) l" d
- }
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7 s$ O. L* ?/ j- return 0;0 {- F# s& @( r; y6 s9 g
- }
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: j- q: H3 n8 ^" u3 k8 z- int main()6 \# `( i+ A6 m1 Z
- {2 ?7 g( ~5 \/ @# |. i# B3 p
- char c;
8 V/ {3 _2 l. E" [! t6 V8 a - int i, macs[6];
3 O) s( y- V* p0 ~* s3 V - unsigned char mac[6];6 P+ J; X5 [3 H5 K
- unsigned char stbid[256];
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4 F- i: {1 W2 p4 i6 U/ @5 w' A5 E" p- if (readparam(mac, stbid) < 0)
$ I) }) f2 Y) `8 j+ J - return 1;2 K0 O2 N' }4 m; n" F3 ~ u
- 2 ?4 S1 Z& Y: P( H* |, r( R2 u
- printf("Current parameters: \n");/ [2 e( s! j! t5 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) X, p, Y, z+ P
- printf(" STBID: %s\n", stbid);+ f, z6 [2 n+ g& X0 P
- 3 `8 X0 E3 g8 h, r
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 f( P5 U) {6 C! j; x8 P% D - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) {) ^: ~, ]! P3 w3 S
- printf("Input MAC error\n");
. L# ?, V9 f! N - return 1;% ~8 j+ V0 ?$ Z/ T9 G% v2 W
- }; I) [& K# Y# Q. c+ ^
- for (i=0; i<6; i++)mac[i] = macs[i];
5 f S/ [2 g/ O- X& O - printf("\nPlease input new STBID: ");
8 {8 @ R* S& u2 b8 u - scanf("%s", stbid);: k4 T/ \9 O& h* V2 l3 R
- if (strlen(stbid) != 18) {
2 k! Q+ k4 R6 c+ m - printf("Invalid stbid\n");
4 [8 q4 X* j, [/ P7 O" i5 e0 } - return 1;
/ U5 }: p. v5 M" C( k - }
7 G a9 u1 n- N: a- A3 l - printf("\nNew parameters: \n");; E' r. B" {) U0 Y p6 M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& k, Y G6 W4 _% L - printf(" STBID: %s\n", stbid);
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6 ?& t% D! G; i- printf("\nDo you want to change paramemters? (y/N) ");7 k: h9 R( G! Q+ n
- for (;;) {
& N* V6 I& _ P1 l - c = getchar();5 l3 l8 g6 c( `. B2 U; Y
- if (c == 'y' || c == 'Y')
! X) `8 @1 W7 l. X - break;
8 S) s7 ?! `* n - if (c == 'n' || c == 'N') {0 m& D2 i6 s- _& H B6 M" g
- printf("\nAborted.\n");
7 u) x; G* t: F9 l - return 1;2 e& B4 I$ V* }' `& k" b
- }
# q/ i4 d7 X7 T1 c% G - }
c0 B0 q& Y1 \9 x - if (writeparam(mac, stbid) == 0)
2 Y) ]5 r5 Z a - printf("Parameters changed.\n");
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9 h7 `% z. B7 g- return 0;
' c4 d- X) B r" D! p - }
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