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。
! ^" }+ y4 I: ^* g* b- [6 v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, y9 U) W) I" @. Y& l0 D - #include <malloc.h>* U/ M1 K1 M4 t# g; e8 i6 |
- #include <sys/types.h>
# v! G( }5 b- j/ z - #include <sys/stat.h>
0 I2 n" t9 S7 U8 e7 e6 y- |# \$ I8 e - #include <sys/ioctl.h>
3 i i$ ~' @ k7 b3 B ]$ ` - #include <stdio.h>
' ~2 ~" |$ a* q - #include <string.h>
- v! N( S8 y3 K, r - & u3 ]- |% k) o- ]/ g P. D. r
- typedef struct {4 E7 T Q: O5 ?" R
- unsigned int e2prom_cmd_sub_addr;
4 Q' N* O1 F8 L, s1 D2 v2 G - unsigned int sub_addr_count;
7 P; u0 G. N2 c5 U& F( R+ Q - unsigned char* e2prom_cmd_data;
8 {0 p$ o( N! W+ F - unsigned int data_count;+ L3 y# Q9 I. L' Z$ H, [8 `5 R
- } e2prom_s_cmd;" E6 m% o" K2 g* s
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- #define E2PROM_CMD_READ 1
6 T2 _, Q8 V) X. U& v - #define E2PROM_CMD_WRITE 2
# ?. S" { \4 Y' V1 E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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5 M% W1 X: _% v' z7 L- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;6 Y! z7 Y5 J& W7 X6 K$ |! ^6 ^0 D
- e2prom_s_cmd arg;% t6 ]" L0 B! F+ }/ n4 ?% D2 t
- unsigned char buf[0x18];
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6 I" E A+ G3 l- fd = open(E2PROM_DEVICE, O_RDWR);
) F( C+ M6 u8 y; C - if (fd < 0) {: V3 I9 ~+ O! Q# h' l; a) O: w% P4 r
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 [( ^) I! Y$ A0 t - return -1;
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- arg.sub_addr_count = 2; x% o. ^& ]' T( n2 n
- arg.data_count = 0x18;
3 ]( z/ ~0 C" m0 ]7 N - arg.e2prom_cmd_sub_addr = 0x290;" f/ m8 U0 {3 T. ^5 b6 Z6 s
- arg.e2prom_cmd_data = buf;! a" V6 ^$ ~& }6 y) v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( X3 P; a% o& e ], q' @
- if (ret != 0) { i, ~4 U+ d1 R3 z) _% y. D
- printf("Device %s read error.\n", E2PROM_DEVICE);+ V3 f( Y* U) Y" A; u
- return -1;; S+ X$ \: y4 Y" s
- }
Q/ x# T3 d+ _0 ]; V3 L - memcpy(mac, buf, 6);6 g* p% Z6 l2 L+ M# L P
- memcpy(stbid, &buf[6], 18);
( @4 N) @$ F. ]; {. o - stbid[18] = '\0';
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- return 0;) D: u. ?* d7 y+ p
- }
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9 E% F& n2 g) Y5 p1 \7 s' ]* @4 X- static int writeparam(unsigned char *mac, unsigned char *stbid)4 Z5 t" _ c3 l
- {
' s7 d# P& [* V* N* J - int fd, ret;
0 d( g8 K2 M) ^% C& I - e2prom_s_cmd arg;2 m- ^" G5 @4 }1 l3 c7 U4 W
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);: \! ?. G2 T; }' c8 ?
- memcpy(&buf[6], stbid, 18);
5 [, d. g; C3 Q4 N, [* Y - fd = open(E2PROM_DEVICE, O_RDWR);
" j$ d# J2 M( y# n {3 w0 t9 t [ - if (fd < 0) { ~ r# b3 w7 k
- printf("Device %s open error.\n", E2PROM_DEVICE);0 U* s" U) R7 A0 T# r/ e3 I! {# l
- return -1;8 o5 h: p k5 _# C& ^/ V4 L
- }
d# f4 j, Z- R" ~' m - arg.sub_addr_count = 2;
0 G+ i7 I- F& G - arg.data_count = 0x18;
" ~ O! ]" E0 N( G+ w* r - arg.e2prom_cmd_sub_addr = 0x290;
9 | O B2 ]' f* z7 L- N" C+ @$ |. v - arg.e2prom_cmd_data = buf;* R& U G+ U8 e( W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ P; q( J7 ]7 J
- if (ret != 0) {. j. P6 z2 r: W( a; I
- printf("Device %s write error.\n", E2PROM_DEVICE);% n$ _2 d! e. P$ A$ x2 k; P
- return -1;
1 h/ ~4 ~1 j$ l0 H( v7 Q7 G - }
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- return 0;
3 U7 a6 b# R y - }
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- int main()
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- char c;
- _) E4 n: ?4 y6 X - int i, macs[6];
3 @2 @( M( Y1 ?7 T8 Q& [+ e" G - unsigned char mac[6];" t, \; C- H, d
- unsigned char stbid[256];
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& N( }6 P4 @: H, l# ]- if (readparam(mac, stbid) < 0)( y2 ]1 ?. k5 P& @7 |% N
- return 1;9 l0 Q# L5 Q: c4 ]' B5 R! D) ]
- 8 i4 f; @; A# A' r
- printf("Current parameters: \n");
; R; o2 R" }' X4 c. f9 D5 e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 @0 V/ _! Z1 ~! V' C - printf(" STBID: %s\n", stbid);
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( ?( L( E" C$ g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" D. ^8 I# N6 A4 E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: \+ Q1 {; N' R+ v+ f - printf("Input MAC error\n");4 C' q* N; T5 w. z4 x
- return 1;5 f9 R5 y! l. `- n8 R/ \0 j
- }
! T2 ~+ w) a4 }& s- { - for (i=0; i<6; i++)mac[i] = macs[i];" s; v) c `$ E H
- printf("\nPlease input new STBID: ");
# N) t' H4 ]: a' \ - scanf("%s", stbid);
$ r' a7 A6 E `$ \7 e - if (strlen(stbid) != 18) {
) W+ T0 D1 u$ s8 M$ M$ G - printf("Invalid stbid\n");) ]5 I5 `* ]! ^2 ^* E4 V, ?
- return 1;0 ?3 @1 [4 \2 u+ V
- }
7 m1 z$ o* w! ]# o# z - printf("\nNew parameters: \n");
z8 O$ P5 _; V `4 O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 A* v8 L/ }: _% ]: m/ @
- printf(" STBID: %s\n", stbid);
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4 ?( X0 c9 D" A7 ?' I- printf("\nDo you want to change paramemters? (y/N) ");& x' G7 B! o" G0 m; g2 ]6 o
- for (;;) {& g z5 c, K3 @; {; U/ |: |& [, D
- c = getchar();
1 |' p" o- J& }" P# q5 I7 E3 R - if (c == 'y' || c == 'Y')8 k% I/ b3 e% x. |2 Z* R' U
- break;
6 ~' }% @- q a* W - if (c == 'n' || c == 'N') {4 L9 g! j1 g; B3 J/ J4 @8 D8 F- P
- printf("\nAborted.\n");8 @9 p6 b3 C* w% d4 H
- return 1;
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- }1 p% v" w0 @3 [! J
- if (writeparam(mac, stbid) == 0) 9 H+ a( G, q. ^% h. Y
- printf("Parameters changed.\n");
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- return 0;; A) E7 h( W d, _
- }
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