本帖最后由 0522 于 2012-3-21 23:04 编辑
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4 L/ t% }- e" K+ A修改的代码早有了。到今天不会编译。% G- ]: Z9 z! S. X" O
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 C- `# w9 V0 S, n# H - #include <malloc.h>, ?' }5 }) ^% }6 U) c# V0 F( {
- #include <sys/types.h>
/ g% u+ [' x& N; K5 h% @! D {; ` - #include <sys/stat.h>
' M* n* e0 t @ I# i2 |: Y - #include <sys/ioctl.h>9 ?1 G/ {# {/ s7 _) O* e* b) w: h
- #include <stdio.h>
2 o3 B+ R9 O! P/ C - #include <string.h>
; M& T( |- r. m - $ f |! v% S. K4 R- ?) ]3 s
- typedef struct {
( Q# h3 P A. E' t( _ - unsigned int e2prom_cmd_sub_addr;' b6 _; Q l0 d B) f# ^, a! A( U' i
- unsigned int sub_addr_count;; {5 l/ i* b0 U) f) E, n
- unsigned char* e2prom_cmd_data;
. \7 ^) I0 K, B/ h* I! i - unsigned int data_count;
; {( t5 p2 T" y$ @- A* T- o( Z+ C* Q - } e2prom_s_cmd;
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; e2 w- s7 w" L- #define E2PROM_CMD_READ 1+ | X4 x' ~& f6 P
- #define E2PROM_CMD_WRITE 2
5 d( v2 q& ]- J1 y: T+ I$ w# v - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* c ?1 [) ?: {0 ^* }$ y, j
- 2 Z. `. e+ W& C. c- n1 w4 w
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 D7 L+ D( s* m* w Y# \
- e2prom_s_cmd arg;5 P2 m+ A' g- _3 ^0 X7 w8 ]
- unsigned char buf[0x18];5 S' \- T/ I( _9 K
- ' S; C1 h, M# Z. W; q/ B
- fd = open(E2PROM_DEVICE, O_RDWR);4 }/ C. d. u/ ]0 n" B, \9 c& M
- if (fd < 0) {
0 r4 B5 C! D( `2 D+ U( ?# c8 s6 ?9 @ - printf("Device %s open error.\n", E2PROM_DEVICE);
3 \, }. V1 @' q! ]/ ~ - return -1;
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- arg.sub_addr_count = 2;
) H |6 Y3 O& u* D - arg.data_count = 0x18; P* L4 h0 P: k# l" _/ v7 i
- arg.e2prom_cmd_sub_addr = 0x290;. _' I' c* M8 ]. S3 L/ R9 z }- ?
- arg.e2prom_cmd_data = buf;% M/ G, \# F$ A' A& ?& g/ c3 n- @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 L) _, G% z b( }, j
- if (ret != 0) {
8 [9 {8 Q% e) L- n( R - printf("Device %s read error.\n", E2PROM_DEVICE);
) j. j4 Q8 c! f! D - return -1;. K7 W/ k/ l% p* x+ m p
- }
" X6 A6 U# g* A: x - memcpy(mac, buf, 6);
, r+ p8 @/ B! \* d9 X8 S) g# w - memcpy(stbid, &buf[6], 18);
1 Y* q# {6 T9 E; W* e% O - stbid[18] = '\0';; R: Q# v# v$ N9 O9 H `- b
* I5 X9 x! e3 u$ T9 y: A- return 0;, n0 a9 r! d: V9 d" C% E7 l( b+ n
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- 8 f, a7 Q+ Q; h) @& W
- static int writeparam(unsigned char *mac, unsigned char *stbid)" f x6 p) |5 G4 l
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- int fd, ret;2 Z2 l4 S& \! z; x, j& J! r, f
- e2prom_s_cmd arg;
2 {$ [* l8 @, @2 R7 u& E8 m9 T, {) p6 J - unsigned char buf[0x18];7 e; u2 B) b. X. K, H
# n2 \$ M/ S }0 N) W N9 d& [- memcpy(buf, mac, 6);
2 D8 y; h' ^1 i; m - memcpy(&buf[6], stbid, 18);
* p/ V' g0 `% v( Y( T - fd = open(E2PROM_DEVICE, O_RDWR);2 |# X- x8 V4 T6 `
- if (fd < 0) {: w( A% h5 N; t0 K. \% b0 ~. {
- printf("Device %s open error.\n", E2PROM_DEVICE);
) r& `- b5 K5 ~, m. r - return -1;- ~) t; S1 r P
- } z9 K c0 j; o1 B/ @4 j
- arg.sub_addr_count = 2;2 J3 g- _- K8 A `
- arg.data_count = 0x18;
3 \8 Z. i0 j7 V1 M - arg.e2prom_cmd_sub_addr = 0x290;& e% R0 P) r6 B# d8 E3 R3 e
- arg.e2prom_cmd_data = buf;) T! e! R6 `+ u: l/ J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); c7 Q. | K# _7 ] j% r
- if (ret != 0) {# w0 x s% X/ U- S9 ~; X
- printf("Device %s write error.\n", E2PROM_DEVICE);
* ]" q1 N: C ^) \3 Y2 x- | - return -1;
5 b# t+ }0 U X: H& h9 C - }1 x6 P7 Z# U& U- {
- # N+ o! J. e' H3 p3 T K+ N
- return 0;3 ]* p' m8 }$ u0 {
- }
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3 W; S; ]$ O8 u: _- int main()
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- char c;
, ^/ W0 p- h" }; h- G4 O8 @( k& S - int i, macs[6];* W2 j ~' L$ F+ m( t: Y
- unsigned char mac[6];/ Z4 E- C ^( U; ]; U+ S2 y
- unsigned char stbid[256];. X8 Q9 `. E# I2 d! X
- . {% N' I. B, E& n" I, s3 |
- if (readparam(mac, stbid) < 0)
1 S1 x6 y/ X* n - return 1;
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- printf("Current parameters: \n");' y" l, \7 e" P9 ~) n% R0 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 [. A$ n+ q8 H. ` s1 q& X& W
- printf(" STBID: %s\n", stbid);
/ s. p; z% g+ x -
1 u- Q) Z% n- S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ ~. X3 j# F! E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ l0 s& {% B, Z6 p+ } - printf("Input MAC error\n");
2 t) x( {. P8 ^; i+ z. B - return 1;9 n- ~" p% l4 T: d' g( e
- }
, ~" `+ |$ m4 r( J Y) L" f+ w% M - for (i=0; i<6; i++)mac[i] = macs[i];
- h8 q3 d. l* q' B0 x - printf("\nPlease input new STBID: ");: g3 b/ J. N4 X& n
- scanf("%s", stbid);
) k+ [7 r$ l9 T/ G - if (strlen(stbid) != 18) {8 k& c6 b- c8 { f C* x- A& F0 Z
- printf("Invalid stbid\n");
: s5 `, }& ^! F - return 1;
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- printf("\nNew parameters: \n");' u% ~8 |9 f/ D }# ~' B& q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* d: P" y7 b$ K - printf(" STBID: %s\n", stbid);+ K6 C: Y- U6 c4 \! r
- O: z+ z# e, b/ r! n- printf("\nDo you want to change paramemters? (y/N) ");
. W9 y# T, y3 s* f5 L) d; a7 Y9 q - for (;;) {
/ a0 P2 d, \" P; E1 @ - c = getchar();. O: ]8 D; d$ J$ W6 ]5 W3 l' V% O
- if (c == 'y' || c == 'Y'), A$ d; G8 P% O8 X3 _% d
- break;
& g7 b% `8 ]3 n# j3 K% z - if (c == 'n' || c == 'N') {! }1 ]1 k6 y: C( M/ k
- printf("\nAborted.\n");
9 ^3 q; w! z: {2 M8 e/ ? - return 1;5 i; ?- C. V8 x: x
- }
+ B. U' s: S0 X s% G, I - }
% @2 y& A5 r+ v2 H% g - if (writeparam(mac, stbid) == 0) E- _7 G5 H' n* o# B' Z
- printf("Parameters changed.\n");
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& N% @, y) ]9 [: S9 T& N* P# ]- return 0;
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