本帖最后由 0522 于 2012-3-21 23:04 编辑 ' y- R9 w1 W& r, N, M' U# I( z
+ B; X6 j) t: k1 g: W: a修改的代码早有了。到今天不会编译。
+ q* `8 t; V, R! s& h0 N" X& f7 U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
v. ?' }: [* { - #include <malloc.h>, G& _# Y( E5 ?# c m3 f/ _
- #include <sys/types.h>3 M p/ C6 e; K% c
- #include <sys/stat.h>6 {# F. N5 `3 C( O! j
- #include <sys/ioctl.h>
( Z9 p& |* L& _/ r' B. j - #include <stdio.h>
$ m) e9 k( M4 t - #include <string.h>
3 D/ s4 T) p! h0 I {" J
+ t+ N9 j- e0 x- typedef struct {
2 M, t2 Q" \/ f+ O/ L. Q2 h! P - unsigned int e2prom_cmd_sub_addr;
0 [4 D" @5 H. w - unsigned int sub_addr_count;
: `6 q0 |8 A: T - unsigned char* e2prom_cmd_data;1 A, ?/ i) ^& R( f# r/ _6 Y
- unsigned int data_count;
7 x) W0 h7 H1 ?" C$ G! y - } e2prom_s_cmd;
: w/ F1 g3 ]5 p1 b3 u" m4 u - 4 m5 o \& q! t" C' s# N, Z
- #define E2PROM_CMD_READ 1
5 m0 g. O- |$ B+ U. _* S2 [, e - #define E2PROM_CMD_WRITE 2
+ X% L& w9 L8 @ g" q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( t: L4 G# F; f( I" f# a
5 O: N2 s% c( }: C- static int readparam(unsigned char *mac, unsigned char *stbid)( u6 T c7 ~3 H" I+ U9 R
- {
) R4 w/ E* O# ]* B6 _% {2 F - int fd, ret;
8 t% C" O& {& k* [8 R$ L2 h6 Q. | - e2prom_s_cmd arg;5 j! t* |- [7 q" c
- unsigned char buf[0x18];
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% K$ b% I W2 x9 J9 a$ [6 e, V- fd = open(E2PROM_DEVICE, O_RDWR);
# n* J4 U% P1 l. @! k - if (fd < 0) {
7 c. {( x& w3 G' F$ `6 q - printf("Device %s open error.\n", E2PROM_DEVICE);8 Z% K& q, ^ ?' w2 g2 v
- return -1;8 ?! g/ Y9 h9 \5 n) p
- }
1 l! j. H4 G R, `7 K - arg.sub_addr_count = 2;
3 w% c% _* I* ?" T; l' Z0 ^ - arg.data_count = 0x18;
, X6 W$ I9 c* ^- L - arg.e2prom_cmd_sub_addr = 0x290;
) W" `8 v/ L$ f- T3 T3 s - arg.e2prom_cmd_data = buf;8 Y# R' @+ v; n' k: i% D, g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 s: e* x3 W: V1 j- R, A B - if (ret != 0) {# l* s8 B+ j% E1 D0 A$ P
- printf("Device %s read error.\n", E2PROM_DEVICE);/ Y+ |( l* K; i
- return -1;
; J) a. o3 N5 \0 ^' \. I3 o - }
* j8 v2 |! Z9 n0 n6 o+ i - memcpy(mac, buf, 6);" p# ^/ u' p& Z7 Q+ L. ]
- memcpy(stbid, &buf[6], 18);
# O$ L7 ]+ O3 y/ B - stbid[18] = '\0';
( l7 {2 i; ~4 A - $ Q$ L; e8 @% S/ v* ]) o9 |
- return 0;9 j+ m9 u6 E; S6 B1 t$ R; p
- }6 j# l) l6 E. b' ^* G
6 o" t3 {' E, Y) n2 N- static int writeparam(unsigned char *mac, unsigned char *stbid)
, |+ f1 d2 R) V0 t' _ - {/ F# g% u, P: \/ l/ R" x9 D( h2 ^
- int fd, ret;
. b7 i1 X/ Z6 A3 [4 b! Q% p - e2prom_s_cmd arg; P7 P$ d1 X4 L
- unsigned char buf[0x18];, t9 m I) X# v6 @+ ^- R4 l/ n+ j1 I
X6 \ u2 j5 q- memcpy(buf, mac, 6);6 f7 u3 L8 x1 ?5 J0 B4 ?$ T+ y) c
- memcpy(&buf[6], stbid, 18);$ h [' v. x6 I( A
- fd = open(E2PROM_DEVICE, O_RDWR);
/ T8 @: u; _+ v - if (fd < 0) {
1 g) d" w4 _' G" G2 y# p - printf("Device %s open error.\n", E2PROM_DEVICE);; B ~4 b5 R- {& X6 {
- return -1;
, G! k! v/ c: j - }
' ?6 H; O- }% K1 P, L1 r - arg.sub_addr_count = 2;
- G1 C) U2 D1 n3 F' \7 f - arg.data_count = 0x18;
# H, E+ V7 ?% [) v5 z& S+ O9 | - arg.e2prom_cmd_sub_addr = 0x290;: S+ c) t' j4 Z" h: F! T
- arg.e2prom_cmd_data = buf;, U. C. n. d; g
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 z5 A6 X1 a+ h1 j& C- G6 O `
- if (ret != 0) {+ J5 Z0 a% Q9 m/ y! q+ G7 d
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 C7 o( o6 @$ C- `& P3 O1 G - return -1;" S3 N6 D _( n% K% D
- }
- m# G( i: ^4 }: r0 O
( W: N( o2 ^; o3 S- return 0;
1 |1 ^" |. S* I3 G, |) U2 c - }
q5 S7 Y: \: ?( \ - ! m2 Y+ e( l0 [. I' C; [1 {5 e
- int main(): {" Z8 a2 U' t5 h
- {2 \) n1 s9 U) ?; ^! }( z, W) i
- char c;
& {# U; ~1 j0 T6 F0 `3 D - int i, macs[6];3 V( A- X0 j% \" ?$ F
- unsigned char mac[6];
V! S2 I. A, h - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
9 {# _! F! o y+ k" W1 T; D - return 1;
/ d4 M( Q- b# ?5 O; L' l
7 s" d2 s. G. Q- printf("Current parameters: \n");
: g+ l8 |8 Q) k5 q1 d5 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 ]! k- |8 K/ W# |% c
- printf(" STBID: %s\n", stbid);
- n# [6 z! w' B" @' l; z( u1 K2 [6 { - 0 G: b) D, v# L8 J9 L9 Y
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, p5 E4 I9 \6 y; b( X2 I2 ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& h" y9 `# E+ \3 T+ R1 H - printf("Input MAC error\n");
5 K4 F& ?; I+ o* \1 J. L; V$ T" @ - return 1;2 } d7 H1 B ?& F( \
- }
' S1 L; ^6 C. }& a0 |4 y; E t9 x - for (i=0; i<6; i++)mac[i] = macs[i];
# y+ ]2 u- X! x/ C3 | - printf("\nPlease input new STBID: ");
, y' V% E: v0 v6 \ J - scanf("%s", stbid);) A8 o% I' b% z# t6 J+ g
- if (strlen(stbid) != 18) { k# v6 M+ V# {6 y: ?( f
- printf("Invalid stbid\n");$ o1 v0 N9 ]7 r. H& y0 p
- return 1;: n4 x: h/ H5 ^* A2 {1 M
- }
! ?. a U$ q6 f3 N* T% N- B- ` - printf("\nNew parameters: \n");" q- {# ~7 H4 e5 ^# v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( C4 s& ]0 Z$ P3 r: G0 H1 o4 C - printf(" STBID: %s\n", stbid);' X# {1 ^9 n: A6 h" ]2 _/ V
- 9 T" f8 U* L$ @; A
- printf("\nDo you want to change paramemters? (y/N) ");
: b; D3 @1 ^- b8 O+ O# N - for (;;) {
3 t. }; V$ H: w/ g1 t' X+ U - c = getchar();- o' J+ Q" G" M5 v& J, M) I
- if (c == 'y' || c == 'Y') Z& ~; H J+ S! u
- break;0 W6 o! b1 N. F0 v! x% e6 b. O
- if (c == 'n' || c == 'N') {
- W; w8 j5 l+ K* k - printf("\nAborted.\n");
9 n$ ^& e/ X7 @/ B! C+ B - return 1;
- X( ]& c- h& \: e - }1 ~( \3 L/ {. M b" Q3 k J
- }
. z6 V& J3 J5 E* v1 ?" A1 q - if (writeparam(mac, stbid) == 0) $ c B {+ w; c1 q) ~ H
- printf("Parameters changed.\n");4 [" S; v! h4 e& I3 a" ^
- $ S$ l8 Z$ ], m8 h2 l
- return 0;
8 J* T/ f8 [2 `% Q1 k, V - }
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