本帖最后由 0522 于 2012-3-21 23:04 编辑
' `- B; A' t3 L. N7 J6 G" v$ T" G" y0 b: R! p$ }
修改的代码早有了。到今天不会编译。
! P( C `3 K) V# Z% M4 W( S% n. t需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ y- {: q! \! f - #include <malloc.h>
W6 k; o* {* Y ~1 O - #include <sys/types.h>
2 g+ ^* Z# z# p4 V+ N( ?5 ~ - #include <sys/stat.h>
1 R7 l' x. h: K0 _6 h& [ l - #include <sys/ioctl.h>
9 y! ]3 g# S2 r! ]; |! n4 M - #include <stdio.h>$ e. q W8 ?1 O& ^/ ?* o' m: m/ V
- #include <string.h>
1 q0 d4 Q, N" c. b/ M4 x' ?- H" O
9 I7 ]% t7 O* [9 K- typedef struct {
* \' T9 [( z( X& o- b - unsigned int e2prom_cmd_sub_addr;
. ^; k/ N0 L' O* i - unsigned int sub_addr_count;
6 H4 d: d$ Q( n( c0 E. ]# A* V" J - unsigned char* e2prom_cmd_data;
1 W& V. s3 l$ P/ g6 i - unsigned int data_count;
) O, q; k! O; m3 x - } e2prom_s_cmd;: u9 x2 s; Z" _6 P
- 4 Z& T- n; ?5 a- F& w
- #define E2PROM_CMD_READ 1
# Z2 o1 [+ e3 K; I* V: F" @ - #define E2PROM_CMD_WRITE 2
' {9 ^# r; G V* H - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* h, ]+ m' I/ S6 ?/ F7 K/ L- C
- . F I- A0 A& G9 B* u
- static int readparam(unsigned char *mac, unsigned char *stbid)7 f7 W% {9 _0 b
- {1 Q: ^9 N! {" [2 ?, U! f
- int fd, ret;
5 y+ C L7 X7 j! w$ F: V( U" B# C - e2prom_s_cmd arg;% t, R1 M; ~1 _* r! g, B
- unsigned char buf[0x18];' ? C: }6 m5 U3 I* ~
- 3 [4 g; O* |( a. N
- fd = open(E2PROM_DEVICE, O_RDWR);! G7 D$ X- j' S( o# e
- if (fd < 0) {
# G# \8 y: U3 w& X9 D - printf("Device %s open error.\n", E2PROM_DEVICE);5 X" F8 E% E" ]
- return -1;
+ V4 |& Y' B. [1 m) t" d - }
* c w i; |0 W" S9 J' O - arg.sub_addr_count = 2;
, C$ C, x6 d8 _+ r% N$ g - arg.data_count = 0x18;5 m6 w5 V; ~5 C) q' M; I
- arg.e2prom_cmd_sub_addr = 0x290;$ O- x( p2 x/ I) Y! c! ]' N# T
- arg.e2prom_cmd_data = buf;
5 X. {* p4 b( x - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& \8 j( y6 g" o9 g( W$ y" a! I - if (ret != 0) {
" Z j9 M& z. ~ - printf("Device %s read error.\n", E2PROM_DEVICE);, K* ^6 c. [ N: n4 v
- return -1;
: v* D) J5 s7 S( Y# _7 J& v - }
6 j! Z0 V$ Y4 K. }" M - memcpy(mac, buf, 6);
% ]; J) m+ s7 O4 G/ m - memcpy(stbid, &buf[6], 18);) v* t5 u( m6 d Q
- stbid[18] = '\0';
& j2 s3 Z4 i* I% }: Y0 W3 p3 z* R
, y2 R. K7 C3 Y6 J- C# v3 P u- return 0;
8 X) k0 L1 E n* e3 Z W4 x - }
% M, n6 s; P3 `1 G
6 d/ x7 S' g# X; f6 g9 R! v) I- static int writeparam(unsigned char *mac, unsigned char *stbid)9 f; g4 _/ ^. P# i9 k7 H* _' t4 W
- {
" i# k6 P% H! f0 f - int fd, ret;
, x% \" a6 u. Y0 W - e2prom_s_cmd arg;
" Q" b' A* f" o# Y7 ~ - unsigned char buf[0x18];* @, _ u% T6 b1 A$ R1 W
- 0 Q* w' j$ ?& @1 E/ C1 J' _
- memcpy(buf, mac, 6);0 N, H- u7 H9 A p$ h
- memcpy(&buf[6], stbid, 18);& u7 I/ U& z9 Z$ h
- fd = open(E2PROM_DEVICE, O_RDWR);
; U$ Q* K+ h, D! c G m - if (fd < 0) { g/ a' B# p8 S; {
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ S* Z+ H& }8 k4 ^% a - return -1;$ q2 S& J' W2 j- G* K
- }
! z( d: L& B+ s1 y; O% y5 N - arg.sub_addr_count = 2;
7 d! X, a, f0 l! V! A - arg.data_count = 0x18;
( a1 W4 Z& I C+ ]- I - arg.e2prom_cmd_sub_addr = 0x290;) t8 S* X$ h; G' m4 W
- arg.e2prom_cmd_data = buf;7 B/ i: C: W! Q6 M0 t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- X) G8 ~; w& B2 w - if (ret != 0) {: w$ c! c; p+ a# F- F' U- A9 N( [: n
- printf("Device %s write error.\n", E2PROM_DEVICE);8 e, l- k' ^$ Y( z5 x; X U: a4 n
- return -1;
+ t% a& K1 g8 ?; n - }
7 @$ ~ K3 {' K+ `7 k( q
8 `4 V- B8 n1 G* ~& O% R- return 0;; i) b3 C9 Y5 G- Z
- }
& t; e+ b' D8 \) f( e - , Z) K' [( z, y6 u
- int main()
* e% {+ G" w' k( A4 }1 Y; v - {
9 P- U/ t6 ^* `& E& s - char c;; \+ J4 M% }! @0 L- S6 |
- int i, macs[6];
7 l: z. Y/ _/ f: Y( y) I - unsigned char mac[6];8 R1 e/ }8 k# s, a9 d. O" J) j
- unsigned char stbid[256]; @; m6 J6 P. }& \0 C0 U0 u
& M6 q( ]4 M: Y' L: w- if (readparam(mac, stbid) < 0)/ Z# C3 ?0 ?+ W9 `2 v! m
- return 1;! K2 F3 n' u$ x' m$ H7 W
- 5 e' S- g+ G9 z" O" O
- printf("Current parameters: \n");
+ Y9 Q0 U0 [8 Q, L! n0 X% o% r2 O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( s& y2 R# A/ Z/ h( J - printf(" STBID: %s\n", stbid);
1 W. D+ K# i) S& ~% T& `2 C - & X8 m+ S* ]5 |; N: w# A- l h. W/ H
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' S3 g; g2 P2 e: L- O! ] - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' n8 j4 s( @4 x: p) W
- printf("Input MAC error\n");
! O. p l i* J9 E+ S# g7 E: B - return 1;. U. ]6 M- l; Z. J7 f# t" f3 b- v8 N
- }/ z( n! W6 p- r
- for (i=0; i<6; i++)mac[i] = macs[i];5 T" r6 G- s6 n8 X
- printf("\nPlease input new STBID: ");
6 t: }& b4 J: V+ y; ]6 e - scanf("%s", stbid);
1 `- u4 p* T) P* c u6 K - if (strlen(stbid) != 18) {
' g- c) n* c( I/ j - printf("Invalid stbid\n");
: d0 U! H2 F) F4 F9 D+ R - return 1;9 M# r8 P0 k1 \( x1 k
- }2 a) w* L | F$ R5 Y3 g) t: U
- printf("\nNew parameters: \n");% Y/ z9 l( }! }) q; J$ ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ J% t5 l; l- I - printf(" STBID: %s\n", stbid);
; r: C# ]2 h+ ~/ n" O' Q
8 G+ j9 i) p7 F' f! N1 n* L- printf("\nDo you want to change paramemters? (y/N) ");4 u. C: p. ^" t
- for (;;) {
c9 U( Z. j d( ]" H6 o# {* S - c = getchar();
) `1 d3 q, m( M7 u7 t6 G - if (c == 'y' || c == 'Y')( |2 h. U2 I# ?$ f& b% [4 i
- break;
. V$ y5 s# m" ]9 Q- Y - if (c == 'n' || c == 'N') {
1 \. H& t* c! Q - printf("\nAborted.\n");! a2 X7 [) n7 I& ]* Z
- return 1;7 a# _2 N7 h% X
- }
# p& [4 Q. p( U" U! ^0 @3 P - }8 q9 ]9 H, v" p
- if (writeparam(mac, stbid) == 0)
0 H$ U' d$ d$ l1 x J - printf("Parameters changed.\n");. R" h" K6 l, v/ J4 E
. [) B) r5 ]0 Z$ ?- return 0;# l h+ p3 Z5 w B: Z2 _9 @
- }
复制代码 |