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。
* {2 f, j& c, n9 s7 R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- R! e! G% u! a
- #include <malloc.h>1 E( S; l$ S8 ?: I
- #include <sys/types.h>9 d x7 d! E1 U5 c' ~. n' X. |
- #include <sys/stat.h> M+ x4 x; m' [" @: i8 q
- #include <sys/ioctl.h>
* p- R% R% \; z2 _: s - #include <stdio.h>2 \+ m( j. `: [
- #include <string.h>
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- typedef struct {
5 t+ X8 h. x4 k8 f3 I- N - unsigned int e2prom_cmd_sub_addr; H, a6 C" m1 c) ~ ]
- unsigned int sub_addr_count;( `: ? j* _6 z# M9 `
- unsigned char* e2prom_cmd_data;, ?' o4 R3 M8 h4 K* x! m! S
- unsigned int data_count;
, w" M9 [5 V8 X8 S* s - } e2prom_s_cmd;9 B& E' Q& k5 t2 v! u( v
- * c1 U3 K; u7 Q* R0 O& l
- #define E2PROM_CMD_READ 1
8 t% K( A- U* u- ~1 L) ~ - #define E2PROM_CMD_WRITE 2- t8 a4 I0 y, O$ Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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: H8 w7 h ] k# T, G$ ~; l) v+ z- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;/ r5 @" i* \6 P1 r
- e2prom_s_cmd arg;) G( M- P: h1 g+ ]" L: ~: A. Q
- unsigned char buf[0x18];
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9 I. q+ i# b6 s, d7 ?' }% E- fd = open(E2PROM_DEVICE, O_RDWR);. B4 c3 G5 _7 @. n: q
- if (fd < 0) {" t0 ^* H1 q% A% L/ w5 U
- printf("Device %s open error.\n", E2PROM_DEVICE);7 i- C+ c2 @0 a: p9 U
- return -1;2 E8 o; r4 M# j9 `
- }
0 m0 ?0 q% q6 t9 Q - arg.sub_addr_count = 2;
) D5 I) q+ K* _0 k - arg.data_count = 0x18;
/ ]- `- v) ~. h - arg.e2prom_cmd_sub_addr = 0x290;
& k6 x% T: c M+ } - arg.e2prom_cmd_data = buf;
& j: p, B5 d, v! O+ J - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& B, m7 g" [3 ~% l$ u; l1 y - if (ret != 0) {
( s1 v, ^" L7 |! c) d! a - printf("Device %s read error.\n", E2PROM_DEVICE);
4 }5 N* F1 i6 D- f* r! x/ n - return -1;
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- memcpy(mac, buf, 6);
v( z# t% P$ T - memcpy(stbid, &buf[6], 18);1 W b' H% q) j4 t* i# S& W* U
- stbid[18] = '\0';
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( u( |! n+ t; h8 Y. b: V- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)+ \# U0 T! v! O, K" v7 ]
- {
: E" b, {$ y) ]% E - int fd, ret;
9 ^6 b0 m" B! \: x1 q4 D - e2prom_s_cmd arg;
. U* ^! y; I+ n6 _( e - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
( p9 j5 l# `( S - memcpy(&buf[6], stbid, 18);" C7 x: e# I! J
- fd = open(E2PROM_DEVICE, O_RDWR);
' e# m6 Y& |# D. r0 }2 ? [; j" V- j - if (fd < 0) {2 O. W7 m: l# j1 Q" W
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 o/ M/ R" q; a- Y8 M - return -1;5 Y; s# I% J: x% O- D- {4 x7 B
- }
1 x9 ?% n6 [# \3 ~- m$ e' A5 t - arg.sub_addr_count = 2;
. d/ V2 t) u4 v, a1 R. F& [. T - arg.data_count = 0x18;7 X, L$ e! w5 g( ]
- arg.e2prom_cmd_sub_addr = 0x290;1 u" q, y6 g7 L6 C: L
- arg.e2prom_cmd_data = buf;/ g, p7 l& J: t+ P+ ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" o& `; S7 M* U* {2 g# Z - if (ret != 0) {) g, ]; Q& a" [% U" G: D
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 c; A4 i5 e+ F& L. x - return -1;
_9 }7 V$ G' C/ c3 Z - }
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- return 0;9 \. Q V% r% ~6 J. n' \) X
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- int main()8 y }$ a7 A: I% F2 k
- {- a! I$ k4 ~4 m% Y$ A, Q, I. P; C1 D' `
- char c;
# i" Y. I: i- R4 k" X# Y# | - int i, macs[6];4 H; t Q% A c& p
- unsigned char mac[6];
4 Q3 A$ t! t7 l1 D0 ]: q$ x - unsigned char stbid[256];: {0 d7 m; r# T+ T1 U- B! n$ L0 T1 L
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- if (readparam(mac, stbid) < 0)$ p0 x, L% N+ J. C: @
- return 1;
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- x' t% N, P8 W; d& y, X) Q4 Q- printf("Current parameters: \n");3 \7 _) y" f+ _4 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 F2 G! w5 w" ]0 f2 G
- printf(" STBID: %s\n", stbid);. x4 j6 v/ [+ ?. ?+ I
-
6 }9 K+ L5 X- n' C9 W7 ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ A+ ]- `" J& y4 Q% K# |1 y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* i+ C+ X/ u8 F. V6 ?" ?1 G4 e
- printf("Input MAC error\n");+ D0 }1 M* V6 V2 H7 p6 @
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];1 R' G2 [& O1 h5 j" T) Y
- printf("\nPlease input new STBID: ");
$ I* \+ ^! |# X* b$ j3 k f3 i- ^ - scanf("%s", stbid);0 K* h. R: y; N) L; \+ g
- if (strlen(stbid) != 18) {! l& m. o. D8 H) V9 F/ D# A
- printf("Invalid stbid\n");1 ], d( b6 u% X" W
- return 1;
- @$ ]% b9 M! z/ a2 z/ _3 S7 F - }
y! e1 X) v$ x. ]% F2 F - printf("\nNew parameters: \n");
4 S0 S5 l$ E% ?; W. O% h0 Y$ L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# M! @/ [, G$ g( i( P5 Z& S - printf(" STBID: %s\n", stbid);
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" }. O' _9 b& w, m2 _- printf("\nDo you want to change paramemters? (y/N) ");$ x- r1 f- Q2 E
- for (;;) {
# H+ |2 U0 R( G& a2 G& a* S - c = getchar();
c' e3 X) Q' e. ]4 n1 n - if (c == 'y' || c == 'Y')2 u5 @! f3 s* {; N8 x0 L" C
- break;5 y$ K# _: O* }
- if (c == 'n' || c == 'N') {
8 L) I- q/ {3 K. q/ ` - printf("\nAborted.\n");0 a' b( K$ I5 @' n. P2 s
- return 1;3 i x. j2 V) o) L1 n9 B
- }
/ M9 [2 e9 ]: o4 v - }
! A! ~$ [) \1 b- m4 t - if (writeparam(mac, stbid) == 0)
9 O7 P# V& w, y6 i6 p - printf("Parameters changed.\n");
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- return 0;7 o* D1 |( R0 T7 o. B( V
- }
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