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。
+ O3 T. U/ e) _3 G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
x1 Z4 X" j# U7 v. j% p - #include <malloc.h>
/ `& ?7 w# S) r6 \/ q5 d A - #include <sys/types.h>
; H0 y% i x# ]3 a. A - #include <sys/stat.h>
/ l3 Z! Q, u1 j1 X6 Y8 q - #include <sys/ioctl.h>
O$ ]4 p7 g7 D0 @- k - #include <stdio.h>
: r" R8 T- J( X2 J. S - #include <string.h>
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8 m$ F# U/ x+ O7 d* J- typedef struct {
: Q U/ Y' \7 L5 b- P - unsigned int e2prom_cmd_sub_addr;6 k% l! F: {, T, w
- unsigned int sub_addr_count;$ S! B, w8 x8 O: `
- unsigned char* e2prom_cmd_data;
4 n6 @+ S" D' {/ X( I5 a0 z; Z - unsigned int data_count;
2 Q. `1 W" ?& Y' a5 C - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1- c. r4 ^7 S: P& O+ A1 i
- #define E2PROM_CMD_WRITE 25 A/ O- v, \, Y! R+ h( B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' ]& K( e- L2 R0 _/ y, i
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- static int readparam(unsigned char *mac, unsigned char *stbid)6 e" m* i3 M0 F% P9 O2 w
- {1 h* m- I0 O& M
- int fd, ret;/ \4 }3 }9 {! ?, ]
- e2prom_s_cmd arg;
1 u' z. m# E; ?3 N& G9 \6 N" H - unsigned char buf[0x18];5 e/ K e. \6 ?: L
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 M; x5 B# z; I6 P7 @ - if (fd < 0) {( _& q% \. V# W
- printf("Device %s open error.\n", E2PROM_DEVICE);
) P5 n# U0 a5 I4 g9 s: A - return -1;
! U- B# m0 L/ ~ j, f - }
% G5 q4 x% J8 e9 ~9 d' |3 O - arg.sub_addr_count = 2;1 K0 Z! j8 B9 y6 f4 g
- arg.data_count = 0x18;
2 |; r f. n& y( {2 L& k* g - arg.e2prom_cmd_sub_addr = 0x290;3 y# n& o0 r9 e/ r* t" U p, J0 Q
- arg.e2prom_cmd_data = buf;
8 C% x$ w/ r& ? g/ k7 _: f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# B% g" O, i+ ?
- if (ret != 0) {; p* P+ u7 y% @' w0 a# n9 Z; G
- printf("Device %s read error.\n", E2PROM_DEVICE);
* u- T# J3 z$ u# y - return -1;
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- memcpy(mac, buf, 6);5 b( z. L. w1 Z( X' V* ?
- memcpy(stbid, &buf[6], 18);" C7 _, x( \; W5 y& Z: i
- stbid[18] = '\0';7 o4 S" Z& X7 @. A. x8 B$ t* L
, r2 K) a. i! U* E: M0 t* j- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
/ V) p" u4 x8 @2 w5 s - e2prom_s_cmd arg;) n/ \3 C! g) V+ X( G1 O2 a% P
- unsigned char buf[0x18];
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6 v: w2 v9 l* o) D3 m+ ^& h- memcpy(buf, mac, 6);$ H% r( Q+ k7 [
- memcpy(&buf[6], stbid, 18);- T+ {4 A/ P/ m9 q( G
- fd = open(E2PROM_DEVICE, O_RDWR);( f/ l2 _2 \8 i/ |3 `6 l
- if (fd < 0) {
2 _' m, z2 I" i( V( y& c2 v - printf("Device %s open error.\n", E2PROM_DEVICE);
1 [5 K# l& d( } - return -1;0 O' L. w7 [8 w) u: E2 k
- }
) d0 R& p2 W; |/ ?$ Y* y - arg.sub_addr_count = 2;0 o; E$ m/ l! a; ]8 f
- arg.data_count = 0x18;
. w0 Y" s: t2 p, H( O - arg.e2prom_cmd_sub_addr = 0x290;
4 A6 ~) @8 C* k - arg.e2prom_cmd_data = buf;# v+ C* H' W5 b! n/ L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ ?' F, |$ c$ f
- if (ret != 0) {# t& o; h! H% b- h' X
- printf("Device %s write error.\n", E2PROM_DEVICE);
/ |1 A3 ^+ L( q4 K - return -1;9 Z) P! R: X: C2 Z/ @- X
- }
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- return 0;
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- int main()' y$ L# x% H, k4 x5 }) e
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- char c;
2 u" [5 ]0 G# U3 O; x* |$ z' p4 x* | - int i, macs[6];
, _" i7 j$ [5 ?* s& r - unsigned char mac[6];3 f4 e1 t$ a) B( \( ~. l, Z
- unsigned char stbid[256];
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/ |0 L4 U* J( W7 m- if (readparam(mac, stbid) < 0)
; M- J1 q; `+ r* J! s - return 1;7 \$ Z% A. D' m0 W- y8 L
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- printf("Current parameters: \n");" W$ \8 k& O- V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* N$ I( ?& B- H4 a1 E, S/ M( l - printf(" STBID: %s\n", stbid);* {5 u+ d1 j+ m5 {3 ?, p
-
4 Q6 g( S3 T) p- \3 Z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ |( L d# P; n( r* l" k9 Z: f( M! i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 G% }3 U# R3 x1 R: [7 H+ k
- printf("Input MAC error\n");1 L' ]$ G8 m: Y2 c
- return 1;. g& I4 f! X; F( H" n5 T; l$ `
- }
: W, P N# ]# ^) Q - for (i=0; i<6; i++)mac[i] = macs[i];/ \ e3 v9 L, P6 x% Y1 \
- printf("\nPlease input new STBID: ");
; j. {. A1 H6 y8 U6 _0 F" W. ]# U - scanf("%s", stbid);6 t& X! a2 m6 W2 P" v
- if (strlen(stbid) != 18) {' y3 L9 U0 A& }; m8 `) ?
- printf("Invalid stbid\n");
' U$ ~/ Z) j6 K1 ]3 r - return 1;
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- printf("\nNew parameters: \n"); E- v/ |( i6 j) d) f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( G4 J0 G( s. L
- printf(" STBID: %s\n", stbid);
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! u$ u2 ~$ L* S+ O4 \+ n- printf("\nDo you want to change paramemters? (y/N) ");
$ h% {( K1 s2 w& a- G9 s - for (;;) {
! D7 t& V- n9 z5 L0 s8 a# J - c = getchar();5 ? c6 v8 p) J3 c
- if (c == 'y' || c == 'Y')
+ L" e1 h& j; z. v, k! E. i" W - break;( C9 ` g# B: e9 X9 B; o
- if (c == 'n' || c == 'N') {
- `% B G6 ?" R8 ]' s - printf("\nAborted.\n");* F' w/ u/ v& d, r' Y7 [7 C
- return 1;
9 C+ t0 ~& k: g% n l - }
# a ?# ^* ]6 ]% y6 Z - }; \/ b% {0 {: d6 N. r
- if (writeparam(mac, stbid) == 0) 7 C6 I7 ]" U7 o2 z
- printf("Parameters changed.\n");' y) W$ e+ N4 T2 W+ o
- + }& C& N2 ~( X3 |4 c0 Y
- return 0;) l# L2 b: o$ s, X. W; w$ R% r; b
- }
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