本帖最后由 0522 于 2012-3-21 23:04 编辑 * l/ h( {6 J0 r% }
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修改的代码早有了。到今天不会编译。0 ?* i% ?/ r1 L
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. o7 M# j% Z8 }7 [
- #include <malloc.h>* Y) s4 b- D7 R% S$ e( T
- #include <sys/types.h>0 K6 {6 F! v7 h: s. N
- #include <sys/stat.h>
e, s6 {: p/ o9 ] I$ n - #include <sys/ioctl.h>
. h2 l/ ^5 K! J5 @ - #include <stdio.h>0 K5 B6 H. u0 S
- #include <string.h>9 V" x; w3 c/ }* ^; j t
1 o$ J2 h, g6 w: V$ ~# X& G+ M1 Q! w- typedef struct {
: ^0 z+ {' _5 \. |4 y z - unsigned int e2prom_cmd_sub_addr;
% J" ~9 Y$ w H! [: \2 W - unsigned int sub_addr_count;
2 {: D& \: R D- l& D! h; r' a - unsigned char* e2prom_cmd_data;
" I) j+ B' R+ L1 ?' ] - unsigned int data_count;
4 j- c3 d5 S8 x1 C - } e2prom_s_cmd;
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. N" [# L/ M+ c' `& N x0 F/ d0 q! G- #define E2PROM_CMD_READ 1
0 {) h9 o- y) y. j - #define E2PROM_CMD_WRITE 2. a( w ]: c/ q2 q0 F' {" G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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6 Q1 q" t9 ~/ C* p$ s) N- static int readparam(unsigned char *mac, unsigned char *stbid)' \( }9 W6 P i! L O( ~4 H
- {
# z1 A% R* }3 m, E ` - int fd, ret;
- O: F- `- S; A x! R5 T9 q3 ? - e2prom_s_cmd arg;
# D/ A( d3 }1 z+ H - unsigned char buf[0x18];6 G! ~4 e. {5 F R. w3 M1 o. Q, j
1 y* }8 t7 \: p/ j0 S1 U, N, y2 m- fd = open(E2PROM_DEVICE, O_RDWR);
2 c) d# c# X' c8 b& _9 Z3 } - if (fd < 0) {0 X l* f/ W* ? K+ ~ g7 g" H
- printf("Device %s open error.\n", E2PROM_DEVICE);
) q. t; k! @6 c - return -1;/ G2 V9 g2 m) S4 e2 I
- }
% b5 Z6 @3 A% f3 n% N - arg.sub_addr_count = 2;
; v* `- @& ^1 Y7 I0 _ - arg.data_count = 0x18;
( h. M) u- }6 N - arg.e2prom_cmd_sub_addr = 0x290;
2 ]% b' F1 k) P6 v1 c4 t - arg.e2prom_cmd_data = buf;
9 T6 I2 |7 u2 D9 ^$ _& S& {1 v, F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 p5 e4 V" Z( ?& _/ `5 A3 j - if (ret != 0) {
! @6 R5 v. E( `2 K7 x, X; K9 |& ? - printf("Device %s read error.\n", E2PROM_DEVICE);
- F% W0 G8 S- S - return -1;
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- memcpy(mac, buf, 6);
% S9 w! ^; }3 A, m7 k3 z' G- ~ - memcpy(stbid, &buf[6], 18); W1 H7 `2 _2 |2 \) ]' i5 @* N9 O
- stbid[18] = '\0';3 ]4 _! ~+ Y7 p8 B& i. K0 U+ g3 A& u5 [" [
/ t* d) g7 a, o) {. l- return 0;
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# R' w0 ]- C' w4 y/ b- static int writeparam(unsigned char *mac, unsigned char *stbid)
: Q# T$ z5 L9 j) ~3 { - {
) s2 E& l) ^/ |9 ^3 a) W% n5 A - int fd, ret;, X8 {; `% J. w+ |8 v3 K
- e2prom_s_cmd arg;! e' W$ A2 S0 ^- {5 Q' W
- unsigned char buf[0x18];
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0 a3 e. H" |6 ^% m1 h9 \4 l- memcpy(buf, mac, 6);; Y/ g2 t" p |2 w }9 i: D
- memcpy(&buf[6], stbid, 18);/ P1 ]- Q3 [* S! J9 H
- fd = open(E2PROM_DEVICE, O_RDWR);! F1 I" a- I& I" D. U% u$ m; W" L
- if (fd < 0) {
. S8 q) Q" J; {0 ~9 T) e - printf("Device %s open error.\n", E2PROM_DEVICE);
, S" t% ?' d; T) ]) A - return -1;
/ q8 @! y( _- ?8 q- i6 A# @% F& ~ - }
( ]% {" c: E7 t) K& k+ x - arg.sub_addr_count = 2;( y" ]/ \ [& f$ a l; |
- arg.data_count = 0x18;
7 u% G+ g) [* f: H - arg.e2prom_cmd_sub_addr = 0x290;
* i2 n3 m0 C, m8 \7 J6 |6 [+ _" m! m - arg.e2prom_cmd_data = buf;. D: v6 Z1 y, J" B- k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, x1 P- _& u+ L" P4 G - if (ret != 0) {
5 F0 J/ g; ]/ t& W# K% A1 A - printf("Device %s write error.\n", E2PROM_DEVICE);
0 v" C* f8 H# P3 y3 G - return -1;
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- : ]+ a3 o: Z7 s/ i) \
- return 0;, d; G A, V* w% Z3 H6 t
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/ n8 |- I! L9 }3 q& H5 n* G. H1 n- int main(). i! G" O; @% ]2 g% r2 _/ w4 X- H( W% j
- {
4 z+ B T/ \: c# I/ Y: X7 z - char c;
, I. S1 L% L: d - int i, macs[6];, I* K' M7 s& \3 b- h: s1 f. [' W
- unsigned char mac[6];
. O* T6 b' w u. G8 J - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
1 ]- H1 m0 ]3 H! Z: O - return 1;0 W9 X: F& |* N0 x8 G; v
+ O" z% h0 S9 [; r7 V# B( r! z' {4 {- printf("Current parameters: \n");, d/ o& F3 t' W; l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* E" [: P0 Q5 l - printf(" STBID: %s\n", stbid);7 p, R. Y/ i2 Y% Z( Z3 R
-
. o' ? _ s; d# s3 _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 h6 h% c6 [# d: a7 W4 R0 E- M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
]/ G7 }/ U/ ~: m9 J' { - printf("Input MAC error\n");
6 N% e* @" T8 a# d% A0 I - return 1;# b# m* x" |# G+ L1 h
- }1 d( ], o' d& R+ o+ ]
- for (i=0; i<6; i++)mac[i] = macs[i];8 O0 P9 c# z1 }# x( c/ }" |
- printf("\nPlease input new STBID: ");- ~6 X4 a( K1 I0 S- p
- scanf("%s", stbid);
6 ?4 \4 ?7 K' ~; \% @( m - if (strlen(stbid) != 18) {3 B( Z1 S2 }" x
- printf("Invalid stbid\n");
g. G4 e* U! F - return 1;. N5 k9 i, p* v5 l% u8 r& A: L) L+ _
- }$ N: Z _3 x* e& g
- printf("\nNew parameters: \n");
7 O# z c. `' [7 ]4 s: ~$ j/ k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& h1 [% A% n! w0 m9 ?6 f$ F - printf(" STBID: %s\n", stbid);& G: w" |; L q4 q' a
- ; }- I6 v# L/ e2 h0 _
- printf("\nDo you want to change paramemters? (y/N) ");6 _8 I4 D8 y# ~% E- e9 |
- for (;;) {3 d8 n$ l& d9 j, r
- c = getchar();$ B9 W9 b r( P5 U& v; R
- if (c == 'y' || c == 'Y')' G# p% j6 R- h1 x
- break;
, ~# _3 {9 m8 @: q9 h5 F" S3 g - if (c == 'n' || c == 'N') {
8 \" y) K S& S' ]" B9 @( |, A/ K7 X - printf("\nAborted.\n");
# }( m3 e2 X) M2 b0 Z; T; c& I - return 1;
# n4 ~, N" ~5 Q% T% K4 d - }- C% r: Y! D8 q, X. T) I
- }: A4 p" ?6 N- j7 a* V D4 T W
- if (writeparam(mac, stbid) == 0)
: U' D- C- F8 w5 L) v - printf("Parameters changed.\n");9 y! B/ q, h- f S% L' `, @
8 u# Y: m8 F* Z& B- return 0;
, _+ J8 \. e6 c - }
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