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。
- C% I- A( l& o: S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ [7 u5 h2 I' G2 q8 a
- #include <malloc.h>
1 o! a9 x; H, T m, Q - #include <sys/types.h>
( \5 l7 P1 @5 I/ Q3 B: g5 g - #include <sys/stat.h>, U# c# R" m2 n' \) S6 h) X4 r$ W
- #include <sys/ioctl.h>
! X3 m) N3 J7 v - #include <stdio.h>" @ F+ v: F- ~9 @
- #include <string.h>
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- typedef struct {0 s- u& c8 w* ]( @
- unsigned int e2prom_cmd_sub_addr;* p) o: T5 A I
- unsigned int sub_addr_count;$ d: `, X; V! ~1 A- ^0 k
- unsigned char* e2prom_cmd_data;
- B5 S& j2 t9 M+ p - unsigned int data_count;. q P) C! c. R0 L( q
- } e2prom_s_cmd;
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0 `* S& @3 {: `5 q1 f4 |- #define E2PROM_CMD_READ 1
Q" K2 O4 S% {, d" f, K& I; J9 z - #define E2PROM_CMD_WRITE 2# ^% V/ ^7 e; o5 R1 I I! [
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% |! q- t/ {' d
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;. s8 t8 R& f# i3 O: i, C
- e2prom_s_cmd arg;3 j0 J }7 t' @
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
' n2 ^1 ^9 X, A6 ~) S5 ~ - if (fd < 0) {
# ], Q. U& N: M9 J5 ^, Y - printf("Device %s open error.\n", E2PROM_DEVICE);# f1 p7 v6 b+ G/ E& h
- return -1;
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- arg.sub_addr_count = 2;
7 ?) Y% \" ?& d2 p% m8 c+ x2 l - arg.data_count = 0x18;
: ~% |, z( g+ Y2 R - arg.e2prom_cmd_sub_addr = 0x290;
0 A4 j( g; M5 V3 E+ s- c" i+ q - arg.e2prom_cmd_data = buf;* @# a; F: A* k" l8 _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 O& X6 `- X6 H2 d/ U9 t3 w
- if (ret != 0) {
4 ^, Q b0 D! T; { - printf("Device %s read error.\n", E2PROM_DEVICE);
. j7 j; O1 e, F$ j K! b - return -1;+ @+ D" j4 G7 N( A% Q/ V
- }
0 E! v. p L" S0 W& C4 }) z - memcpy(mac, buf, 6);! E. J2 P8 D+ T
- memcpy(stbid, &buf[6], 18);
9 O$ m: u% A J h( X( z) m% O! _ - stbid[18] = '\0';0 T0 R+ ?7 d/ O4 c# Y& ], i
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 S' r" d, L" K& C1 B - {
% `, J' D3 C2 a p% H* \ - int fd, ret;
7 g# K* e3 u2 H/ i3 e- V; O - e2prom_s_cmd arg;0 l+ E* B9 n. p9 Y7 S/ S& M ]- V9 N
- unsigned char buf[0x18];% k; `5 j# y/ D, b' T5 k
/ J% Y% f2 P3 L; e2 U+ m- R( s- memcpy(buf, mac, 6);
2 E5 V0 L4 z4 M) s4 P7 W - memcpy(&buf[6], stbid, 18);
7 R! d1 {. B2 h, c- S% O2 f - fd = open(E2PROM_DEVICE, O_RDWR);
/ N" d% m0 L) A( w - if (fd < 0) {1 q3 x: K+ H% Q# }
- printf("Device %s open error.\n", E2PROM_DEVICE);6 i8 c0 j8 w8 e
- return -1;
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- arg.sub_addr_count = 2;6 B# X9 T9 {* I' g2 ]/ R
- arg.data_count = 0x18;
- l6 d* Q" ?5 E7 O' R. Y: O - arg.e2prom_cmd_sub_addr = 0x290; D0 ?' d# C9 j3 X, Y
- arg.e2prom_cmd_data = buf;
: B! i/ S9 B7 t; r4 x1 s3 S3 y! ~( _ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 `6 t8 H1 u; x1 @
- if (ret != 0) {# b' Y4 d7 o! K% B9 I5 J8 I1 V
- printf("Device %s write error.\n", E2PROM_DEVICE); b1 N: o/ h1 h/ o6 l5 O6 Z
- return -1;
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- return 0;$ v! Y* G$ G9 ^* V/ a1 V3 V
- }; t# n# [/ p6 \- W6 d
3 x6 E# [4 y9 G: N) r- k$ w' ~3 K- int main()
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- char c;
- Y6 ~* B$ {% {1 i - int i, macs[6];
t. w8 K2 E* T: E$ S# C - unsigned char mac[6];7 n+ `7 j4 Q9 C2 V$ O
- unsigned char stbid[256];, n$ y- k6 I% c" b S* f' i) g
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- if (readparam(mac, stbid) < 0)
, ?6 v. w1 ?/ c0 x9 k, w6 x - return 1;
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- printf("Current parameters: \n");
! T" I$ J/ C& ?! L" _' ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: h0 h0 e3 q/ n: `. j" H3 w# [ - printf(" STBID: %s\n", stbid);$ l6 a: u% j7 @( Y6 ?) Q0 D0 C
-
% R% _ x/ N# u5 h7 }9 C2 X3 c' L1 s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 d- c3 T4 z% b# p# e
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ b8 k1 W1 Y& K* {6 _ f - printf("Input MAC error\n");
9 u+ ~# B/ U9 |! |# K9 ^ - return 1; \3 B) l: {5 v; z; @7 J8 |
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- for (i=0; i<6; i++)mac[i] = macs[i];
% u7 s' p) j# j& x: W - printf("\nPlease input new STBID: ");
) I2 s d$ ~& i1 G" U - scanf("%s", stbid);5 ~6 C: S7 I0 [9 g, j3 v8 C! E
- if (strlen(stbid) != 18) {
/ c% U# J, k* @+ ~+ K2 N q - printf("Invalid stbid\n");
+ m* {! Q2 y0 `( s) q2 m - return 1;' ~ |& K' ^% ?/ `" z0 z
- }; V1 Q" P' n' Y' k+ E5 w( J
- printf("\nNew parameters: \n");
7 U. c; ^' b$ X' F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 \! [2 u' ?# V6 V
- printf(" STBID: %s\n", stbid);1 `* @$ N) G: Z3 i3 H0 _8 e
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- printf("\nDo you want to change paramemters? (y/N) ");
0 v* n+ f' P8 g7 U7 K/ V7 e: l' ~ - for (;;) {
+ o! @9 m2 P. k) Y, T - c = getchar();
, p& |, ?/ `6 X( y `7 f( K - if (c == 'y' || c == 'Y')
7 y2 E! K" Q7 G - break;; I3 ?: e% t7 \" h. w; D$ p1 ^
- if (c == 'n' || c == 'N') {# i% F2 m- ?- ]' @ b$ h- O
- printf("\nAborted.\n");
+ W8 |2 O, d, l8 Y' Q6 }# s - return 1;+ d3 b0 Z; z' k7 G
- }
4 q# m# u8 K$ b" _ - }
6 w& b8 u, y; y& H - if (writeparam(mac, stbid) == 0) s) v$ h7 S9 ~+ c( E7 |6 C8 J
- printf("Parameters changed.\n");
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9 I& U9 V5 B1 r+ t C4 J- return 0;
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