本帖最后由 0522 于 2012-3-21 23:04 编辑
/ p5 g& T$ g. ?5 w. }5 f% K) P' }) H8 x
修改的代码早有了。到今天不会编译。
5 Q6 G5 ]8 f7 @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( Z8 H; [; E. T/ Y7 F - #include <malloc.h>$ P$ S7 s: E% [0 Z d- m6 k
- #include <sys/types.h>
9 M5 k: q! V" V: t2 k2 S - #include <sys/stat.h>) U9 h+ Y; W2 G/ G. B) x
- #include <sys/ioctl.h>
/ d6 ?! u U$ P( `' x - #include <stdio.h>% N/ W0 V' R3 z2 r6 b- |
- #include <string.h>
3 h! {& i( s! e ^2 m" F" d
; z, e5 V0 m# W( O( l2 ^- typedef struct {
0 R; G$ [* W' R, W - unsigned int e2prom_cmd_sub_addr;* T3 X/ x- `% T& C7 p3 Z2 b
- unsigned int sub_addr_count;8 \& K. g! p7 g5 T& Z4 e
- unsigned char* e2prom_cmd_data;! k1 B _0 n' Q8 S7 p5 a7 f+ I* z
- unsigned int data_count;
* H2 Q4 O3 f6 Y+ r0 y - } e2prom_s_cmd;
& F( W6 Z3 Z2 }/ G! x! A( C# e
+ _6 Y- O% I8 s& `1 b a1 k! O5 U- #define E2PROM_CMD_READ 1
5 s" C. e) k9 z" I1 ` - #define E2PROM_CMD_WRITE 2" V7 P' B& z! h$ ]( I" L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- N! v7 S% v! e
f. e+ H2 Y' G- static int readparam(unsigned char *mac, unsigned char *stbid)
8 k* w9 F0 d; ?6 | - {
1 i/ ?7 j( a" E8 |2 A - int fd, ret;% w7 n+ Q, x# t: Q/ ~" J8 w
- e2prom_s_cmd arg;
5 t/ y. Q1 ^: x - unsigned char buf[0x18];2 i; G, O1 i- f8 y9 w! p
/ i# m- [1 b. ^3 \& z" ~- fd = open(E2PROM_DEVICE, O_RDWR);( q: k7 P. i k
- if (fd < 0) {
! ?9 n9 l+ T8 U D+ R - printf("Device %s open error.\n", E2PROM_DEVICE);3 n' ]; {) w: m6 `% K
- return -1;
! b3 K' z( M/ ] - }
4 r" R+ ~: o2 [5 M - arg.sub_addr_count = 2;
. D: b( |9 |' I- V5 m - arg.data_count = 0x18;
- a! M# L# q4 ] - arg.e2prom_cmd_sub_addr = 0x290;
7 h7 N$ k1 |5 N, U; B - arg.e2prom_cmd_data = buf;
4 w+ _% T) F: X0 j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);( R8 U6 C' K- \7 u
- if (ret != 0) {
3 s i8 O" Z) W, A. p' F - printf("Device %s read error.\n", E2PROM_DEVICE);
9 b1 N3 n5 q, Z7 n - return -1;
! s0 ~' Q/ R9 }# D* A - }0 |2 B i0 K/ X/ F
- memcpy(mac, buf, 6);
3 D" B6 A; [& y5 A' _2 s - memcpy(stbid, &buf[6], 18);& n6 D; c7 P- y; b* A: H& X
- stbid[18] = '\0';& o0 E* u9 [5 ]5 m0 e
- * G3 t: |" Q, v5 X
- return 0;
2 H) ^" F5 b% y5 X1 D; | - }7 w7 Q0 J8 \/ b/ k, f; E+ k C* p
- & g$ L' R2 P1 r9 \0 O# Q
- static int writeparam(unsigned char *mac, unsigned char *stbid)6 H9 d6 ^+ |6 D% s& C
- {
5 Z. X* |' X. S - int fd, ret;5 c! T3 p$ |) H7 H8 p" D0 R+ r
- e2prom_s_cmd arg;9 `/ Z1 W3 ? `0 O5 Q& c
- unsigned char buf[0x18];
& c6 ~9 F6 ^% B8 X- f: I2 v$ T
% D' N5 n0 Q$ f1 n. V7 A- memcpy(buf, mac, 6);
8 ~$ Z2 G2 N v) y" {: _9 X - memcpy(&buf[6], stbid, 18);% U/ u* }7 O$ I! s( h
- fd = open(E2PROM_DEVICE, O_RDWR);" A+ m/ i5 ?* D9 s% G
- if (fd < 0) {
! ]* M! Y; K; l' N; j' K, R F9 o - printf("Device %s open error.\n", E2PROM_DEVICE);2 m4 S" E, M( h- y1 A. Z
- return -1;
: }6 A- D S' O; Z# f/ \2 E - }8 d, @& n( B# o8 P" P
- arg.sub_addr_count = 2;& t7 k' g+ G5 W0 ~% V
- arg.data_count = 0x18;
- h, n# E- m/ N" l+ x% }8 ~+ E" w - arg.e2prom_cmd_sub_addr = 0x290;; |! C9 \( f: W; c1 B, k4 b9 \$ y
- arg.e2prom_cmd_data = buf;5 A2 A: X3 B) T) X
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 l2 [: \* W D* x! N - if (ret != 0) {
^, F! L9 U$ a3 y - printf("Device %s write error.\n", E2PROM_DEVICE);
7 z, R9 B" M5 K - return -1;
% J8 W; D# L! n9 A - }' d. q; h5 [7 _: @! |
. k5 k2 Y- x5 O- return 0;
* W0 }& N. D. `, U - }
# l* N5 O0 Z7 k; N/ k A: |
& a" B# [& f8 ]* }* h- int main()
" Y% g- w. `! E9 J! J$ T% b3 b - {
$ V" C" Z! j. Y9 [ ^) X* ] - char c;! `/ y( I+ ]: @: ~5 x
- int i, macs[6];/ n$ A3 v0 b( I) r: r7 |! j" g, ]( _
- unsigned char mac[6];* Q# N/ w* L) F
- unsigned char stbid[256];8 p1 S) b* W* _) X& d
$ |5 n- L+ \5 B* V" K- if (readparam(mac, stbid) < 0)& S. X( i: U+ J" a: [" h
- return 1;0 D! G! k" n h! P* C
" u3 k4 E) C% X( b- printf("Current parameters: \n");8 b% ^. [) D* M- c. r/ n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 I% p5 Q6 w# j0 [; V
- printf(" STBID: %s\n", stbid);4 ?' Y8 `* |$ M0 s3 @) x# K0 {2 v
- 8 w; o( s& Y2 I1 o" r% f, Z a* A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ H4 c+ w; C) Z4 x! w. q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! `3 N" O/ t$ |- y) i - printf("Input MAC error\n");
8 C7 d. A; a( Q" f- R) V - return 1;
: U) ] S) i! L6 k1 o% p2 r1 q - }
. w- s( c) `6 y! S, @ - for (i=0; i<6; i++)mac[i] = macs[i];
4 \9 e$ _, C6 g2 }. J, T5 S, Y - printf("\nPlease input new STBID: ");* t# F/ i8 f( j4 T
- scanf("%s", stbid);
6 Z7 G/ I: J% r! B+ \5 L, N - if (strlen(stbid) != 18) {
* w4 k! h/ G* n r - printf("Invalid stbid\n");
# y/ |0 l, g4 ~: _9 E5 Q - return 1;5 i8 p P- }: ^: M# ^& M- N+ o" \
- }
) o7 _. m! A& D% @ t+ C - printf("\nNew parameters: \n");
8 U; M8 E4 s" B8 ], y4 k$ m: E: `/ ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ D4 }9 P' V1 V - printf(" STBID: %s\n", stbid);
3 A6 q! c1 b. I1 y: N
9 w" }) I: O$ z9 l' M$ q9 Z- printf("\nDo you want to change paramemters? (y/N) ");6 i. ~5 B* {; H* b( x# Y8 E
- for (;;) {
1 O0 Q/ d/ g' P# i% [ - c = getchar();9 q' R" c+ D* d2 N2 {# r- q
- if (c == 'y' || c == 'Y')) ]7 k$ b( O1 M0 O! p
- break;( T X% f. R' ^6 S9 J1 \
- if (c == 'n' || c == 'N') {
) _5 `5 W7 v9 G/ Q5 D - printf("\nAborted.\n");7 w6 n/ \' i3 \4 e9 U% y7 c) q5 p
- return 1;. G6 H( B' c. g, f
- }
) ]( @5 n( M+ n& J+ p - }7 h, A8 O* H+ }
- if (writeparam(mac, stbid) == 0)
6 W+ I: A" x. `8 G - printf("Parameters changed.\n");
/ _+ q& w; R) E- @" m
: |9 u9 O+ B9 Z4 g+ X- return 0;& h) q, K- R4 k0 P. ~6 `! C, d2 }
- }
复制代码 |