本帖最后由 0522 于 2012-3-21 23:04 编辑
9 R8 P' s! q6 {+ U
. u, y( i+ n! g$ \修改的代码早有了。到今天不会编译。5 b* {& x! I. S! C( s; c1 S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) h; N$ x5 |& E* ~* l
- #include <malloc.h>! m! J6 Y: e$ z: M" D/ r: t
- #include <sys/types.h>+ A1 M5 l# }; B
- #include <sys/stat.h>
+ g. H! O3 V) Z6 o& k - #include <sys/ioctl.h>
& P! w, q/ R o- x2 B+ L; _ - #include <stdio.h>
. J' R0 ^" r" e4 t! \ - #include <string.h>
0 v' {- Y8 E1 j8 H% F - ' C) P3 x. R& Z, g; ?7 `2 u
- typedef struct {
* v+ M) l6 j* _/ d( b2 | - unsigned int e2prom_cmd_sub_addr;
1 q8 c1 ^: o2 @/ q4 Y0 w) l - unsigned int sub_addr_count;
$ E3 [+ G! t& R: O$ A7 ]8 ^: V% X - unsigned char* e2prom_cmd_data;
6 g, r3 H+ x! j% x* _8 R3 i - unsigned int data_count;# q% {' V9 D9 \6 M" u
- } e2prom_s_cmd;
: ~5 x! R' h ]- E( x
+ V3 `- S. c* ?- j' b4 {4 N4 E) J3 I- #define E2PROM_CMD_READ 1
* }& @& I* v8 b: A2 V/ ~' q - #define E2PROM_CMD_WRITE 26 [* Y6 ^2 R* A X9 v. M2 [1 b% {
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
, S M) Y5 n/ Y' f5 {9 N* v1 ] - $ @& Q2 |, v; C
- static int readparam(unsigned char *mac, unsigned char *stbid)
% L; ]# \, V9 u) r& M! u" l - {
' l6 v. W! n7 v( x5 U. k - int fd, ret; l- l7 f- q+ _3 S1 e
- e2prom_s_cmd arg;
( f% O4 m6 ^4 ~1 z& l0 `& ^7 B" O - unsigned char buf[0x18];: y1 s- y0 e' o( r
2 s) |: j! w6 @# K! _( v8 v- fd = open(E2PROM_DEVICE, O_RDWR);# ^1 q5 u* ]& k0 G& l# J5 ^
- if (fd < 0) {
5 \0 M$ S$ ]; d" [5 _9 @ - printf("Device %s open error.\n", E2PROM_DEVICE);. V* H; g# Q& Y4 ?( c
- return -1;. S1 ~/ W( c n% F
- }
( j' F% y# N' T9 ~' o* O- ?+ g - arg.sub_addr_count = 2;
. M; j# f: P$ s6 h6 R - arg.data_count = 0x18;
6 a5 D% g+ @( e8 ?) B - arg.e2prom_cmd_sub_addr = 0x290;+ E5 [* V9 p9 _8 p& a7 }1 [6 O( V' a
- arg.e2prom_cmd_data = buf;
' n1 C3 c0 Y, J/ X - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 c; N; B8 V. q2 s K
- if (ret != 0) {1 a0 z2 R8 v. S/ d7 |! ]& Y4 o
- printf("Device %s read error.\n", E2PROM_DEVICE);
6 N$ y$ I9 c& f - return -1;# S( X- Y' {' K+ s; h* X
- }+ `% Q3 Q8 o4 [( N
- memcpy(mac, buf, 6);" C. `4 F0 R8 G8 u( o
- memcpy(stbid, &buf[6], 18);
7 \# t) {6 c3 F. [% U$ I5 P - stbid[18] = '\0';
; R" s% G! a+ V! B0 _
% J6 v8 L g3 r! M& u* U' r( `: c N- return 0; ~+ s: G& z, U) q$ [0 L
- }3 s$ i( F! d2 ]& K( m; }
1 t+ f- j; v" b: V/ z- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ d* v8 M' l& P' j; h! R1 n2 ~ - {8 @9 a r2 x4 H" n; j5 c, r% \/ e
- int fd, ret;. C. l$ Q3 I: I9 f2 H
- e2prom_s_cmd arg;
6 z+ ?5 S8 \5 Y! w - unsigned char buf[0x18];' B0 {) B1 h& \8 ^# X1 R
: T3 v& O" Z# d3 H8 g- memcpy(buf, mac, 6); ^% Q8 x/ h% k! @
- memcpy(&buf[6], stbid, 18);) y& t9 Q9 f3 B' x1 I( ^
- fd = open(E2PROM_DEVICE, O_RDWR);
. s& g( w$ Z0 u! ` - if (fd < 0) {
5 H" Y5 n8 j, S1 ^( c - printf("Device %s open error.\n", E2PROM_DEVICE);' e3 S0 C' w! U
- return -1;
9 h# i4 P; Z! `" d x - }& {4 ?( l3 B( Q7 R. Q
- arg.sub_addr_count = 2;
* f- y. ]0 s; a# ~9 y) U5 H, e - arg.data_count = 0x18;
' B) Z6 i! f' c4 C( E - arg.e2prom_cmd_sub_addr = 0x290;
/ M/ i+ {9 R* h9 S, B$ u7 B - arg.e2prom_cmd_data = buf;
; E& f) l9 @6 W: d+ n# r - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 c. L& |( }8 |) y: C8 p - if (ret != 0) {2 A# R! @( e: J* m6 p% w7 c
- printf("Device %s write error.\n", E2PROM_DEVICE);
7 S' c. _+ c7 I, a3 J. N - return -1;) L" y2 e6 g3 F2 J7 O
- }
% }/ m1 [' a6 H& x( i& [
; h7 ?* N/ G& I8 m4 {& Q- return 0;. d7 A3 u4 f4 z" W. ?: U9 p5 S
- }, C9 s9 m, s8 M8 D# O2 h
4 m! a' H$ M7 R7 p: i p( h! \) m2 ]- int main()
- D$ j0 o0 X, E - {
; ^. y5 k: A0 ]' b6 E2 Y - char c;
- T I' r6 F' e) T - int i, macs[6];& ]- A- n% ~6 U/ ~2 a
- unsigned char mac[6];+ Q9 v& b2 G+ S& O
- unsigned char stbid[256];
( E+ U6 m2 x7 B
1 z. I0 K5 a* N; ^- if (readparam(mac, stbid) < 0)2 X2 l/ c. \' Y" }; |' r
- return 1;1 g0 v7 d3 m& v1 B) Z% E9 C
- ( W* x! k3 ]$ `5 k, g" [
- printf("Current parameters: \n");
, G% W: ~5 N# F' `# N2 y- _ ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! I! h7 V# Z5 z+ U+ C2 t
- printf(" STBID: %s\n", stbid);
# N; f, t& l; |; b9 {( E$ i -
; c# K5 f( o, Q: V/ |/ a8 m) v - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% y3 B, m9 `2 E# E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! {0 G- c& E3 q* t" N
- printf("Input MAC error\n");
% K& I2 Y1 W3 A% d# o) L2 i9 `. R4 q - return 1;
5 O8 I) |& z! m+ c1 A& d! p - }
3 h! z0 I1 b: h5 C4 f; z R - for (i=0; i<6; i++)mac[i] = macs[i];
# F! n7 W) e W" q4 j4 t, U - printf("\nPlease input new STBID: ");
~3 P: e( A) m/ C f - scanf("%s", stbid);
* }! Z0 J- @. X/ f3 L1 l. S - if (strlen(stbid) != 18) {2 V5 ^9 H, G- _, ^( V+ ?9 D& S* C
- printf("Invalid stbid\n");
/ G7 C/ D1 U q - return 1;; d/ `: X' m L' P% I, s* |
- }
7 R3 D: h: S; y+ [ - printf("\nNew parameters: \n");
8 t7 q% i3 T2 \* [0 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: i# D9 B6 Q- A s, _& w
- printf(" STBID: %s\n", stbid);. r9 {9 C) B3 t! k9 Q4 Q
& ^/ T6 {( Y. T! \- printf("\nDo you want to change paramemters? (y/N) ");
. `3 ]4 J: E- Q7 ~! z' L& D% r - for (;;) {
& ]8 V7 r' r7 r- m+ }. m$ I8 j - c = getchar();6 z; ~ H0 O% T" ~- u Y
- if (c == 'y' || c == 'Y')
/ w4 l4 R" X- X - break;! m4 O0 @: v1 i4 I7 W3 W; B* p
- if (c == 'n' || c == 'N') {# P V- Y4 y. F: P, ~
- printf("\nAborted.\n");* G i9 X/ T- |+ W( E. H j' m+ Q
- return 1;
" b8 y* V; W& @! d9 G/ P* J- ]: U0 ^ - }
5 \* a7 B& j* c4 X( V7 x0 ` - }
4 u' l" s. c# Q! u - if (writeparam(mac, stbid) == 0)
( d) _( ~& K' U3 q# R/ m1 e - printf("Parameters changed.\n");
* [7 s- M) B& ?" z- }, q2 b - + F% P2 @ @7 U, }, \6 a
- return 0;* R6 T2 j2 H/ N$ X
- }
复制代码 |