本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。9 d& u$ Y+ f9 t4 q4 N9 C- K
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
f2 R( f+ i f* M5 w - #include <malloc.h>3 c& b$ ?: A) Q1 H
- #include <sys/types.h>' T( q* ~. w8 I0 _8 U
- #include <sys/stat.h>
9 n3 r' z1 E* |; k2 Q - #include <sys/ioctl.h>( C+ @- p ^- L& A: L$ \1 R+ M
- #include <stdio.h>" ]1 [ {+ W* B% h
- #include <string.h>
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) a0 j' m8 |+ c. |* S3 N- typedef struct {
6 |0 R# ]6 X% q$ E9 C5 E - unsigned int e2prom_cmd_sub_addr;" B( p! l; w4 l; E5 B
- unsigned int sub_addr_count;
" H4 i' d) w, B( d3 u' B( ^: k - unsigned char* e2prom_cmd_data;
9 L* @) ?% H) u( a8 o) L7 C1 v - unsigned int data_count;
- c& _: q/ v8 J5 q - } e2prom_s_cmd;
2 G1 _* w$ }" P7 } - 6 `- y* A3 z2 g k& q
- #define E2PROM_CMD_READ 1
; o+ u3 Z8 M, V& }+ {9 r2 f - #define E2PROM_CMD_WRITE 2
8 ^8 a( Q8 M& a) f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 ]% g, f0 N1 S# e. [3 E- D
( ~, `, V# t" r/ H5 g" k2 D- static int readparam(unsigned char *mac, unsigned char *stbid)
; U5 X) w G J* l0 ? - {
' G# s( k% Q- }" S2 Y* S1 ? - int fd, ret;9 Z) R$ U+ A' K/ n3 \
- e2prom_s_cmd arg;
5 c8 z- I+ B2 }; w" G; r! q - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
5 W/ a: |- Z' Q1 C9 _4 J4 [( R0 e H+ Z - if (fd < 0) {
0 |9 g2 `% [: b5 K, K - printf("Device %s open error.\n", E2PROM_DEVICE);% [( @/ q6 Y9 P! [3 J- C
- return -1;
% C) g/ o& F K ]; u, A1 E- x8 W - }
, t! H$ j2 r u! j7 @, W - arg.sub_addr_count = 2;
4 C Q! z2 T9 ]( q, t: z - arg.data_count = 0x18;5 F9 K- k0 A- Z& ?8 r' T+ C
- arg.e2prom_cmd_sub_addr = 0x290;; F6 `/ h: S' ~3 L2 [$ o$ f
- arg.e2prom_cmd_data = buf;% K% F b7 A2 a5 ^: Z( t
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 r! ?* K- ~9 _6 C- [ - if (ret != 0) {
6 X0 k$ u Y6 M) b( ? - printf("Device %s read error.\n", E2PROM_DEVICE);/ V1 j" \+ C ?7 L7 X9 X' `
- return -1;2 ~- D& d& u4 k c: g# j) D8 j, o
- }
) X0 i% j% |5 d1 J: G9 i) h - memcpy(mac, buf, 6);
" ~. t0 J. w! ~; P5 u* t - memcpy(stbid, &buf[6], 18);
9 Z5 P; ]( R1 ~7 | - stbid[18] = '\0';7 ]- p+ y; k$ g/ H, h3 e/ |5 O
- 0 w# o) _3 w; c1 @6 ^
- return 0;" L2 w% A8 r: _0 _8 i
- }3 j5 P$ @: Y5 R! _/ t& A, b
3 j7 `& x' P7 x* y- static int writeparam(unsigned char *mac, unsigned char *stbid), s& B2 p* L& \/ X/ I
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- int fd, ret;
+ t9 W0 _+ T% a( e - e2prom_s_cmd arg;
+ u1 Y7 `1 \* p( l) P v1 s - unsigned char buf[0x18];
( M/ [( [* m9 f - 5 e% c+ a( o9 X; D2 H0 |4 v* F, E" }
- memcpy(buf, mac, 6);
- M& n& V$ W, o( m# W - memcpy(&buf[6], stbid, 18);0 h7 a5 v/ D/ g# e! o7 @; T
- fd = open(E2PROM_DEVICE, O_RDWR);) u2 k/ p! w6 P! c
- if (fd < 0) {
. [4 y( G9 `( K - printf("Device %s open error.\n", E2PROM_DEVICE);
/ \# t6 c/ `, ?/ C T: }/ d - return -1;+ L2 z- w1 i: h% a" J% U
- }
% `) J4 g( W: ]: v$ K - arg.sub_addr_count = 2;8 z4 }* T* t3 B l" a
- arg.data_count = 0x18;6 A9 G# n" F. ? [
- arg.e2prom_cmd_sub_addr = 0x290;
! `. ]- u f) m1 [3 { - arg.e2prom_cmd_data = buf;" `) P" d6 ^ r# d- Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& I. `" I: B6 z, M* b' \ - if (ret != 0) {
3 d' |2 ]. w0 {7 V) K$ ]( s# W - printf("Device %s write error.\n", E2PROM_DEVICE);
- \9 C4 N# k: R/ [5 ^* _ - return -1;# S# c' q) O* E& y
- }
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- return 0;
( {" z+ |% ]; j; x" S( c - }
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8 S" ]: i8 s" O2 [4 k8 y$ `- int main()
+ ?$ ? H, }* C0 Q - {3 y5 _/ s5 D; }% z, Z2 h) ^2 ~
- char c;) L" s; }3 I! S9 d
- int i, macs[6];
b, r- P+ S: C8 k/ e" G1 W - unsigned char mac[6];
- i0 L0 c& M) {0 T' F7 ] - unsigned char stbid[256];
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, z' O. f; s7 J) X+ |+ p- if (readparam(mac, stbid) < 0)
( u: S b0 Q' ~- W9 w: T - return 1;1 f5 c3 D- W8 @& S, g1 m a
7 F4 h9 c9 e9 w }! I- printf("Current parameters: \n");. S2 i9 t) ?( e$ d/ I3 e; L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 d/ M4 a/ p, {& s' B! U+ I
- printf(" STBID: %s\n", stbid);, ^$ H( L* `/ d1 E
-
7 C, L8 c6 L/ Q' v& |6 A - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 P6 W* c& `/ X7 k! m6 D6 v
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ C8 n0 v' l- e5 O; N - printf("Input MAC error\n");
) `2 o6 B p- `. } - return 1;3 E1 _" n* m5 Z5 O k7 }0 X
- }, ~# u6 c. o9 k* t$ g
- for (i=0; i<6; i++)mac[i] = macs[i];. C# h% D0 {/ s# {. `
- printf("\nPlease input new STBID: ");, k; P+ l' S# T. |4 a' a
- scanf("%s", stbid);, @7 j3 X. d& E. I+ G
- if (strlen(stbid) != 18) {
- P) a% x- V) t) W4 j - printf("Invalid stbid\n");7 {& v; l# n+ @4 O4 y+ F! c, N
- return 1;) J! ~& J9 Y8 @+ i7 d" N' t
- }
. n2 |8 [0 J: e! w% M5 ~* L - printf("\nNew parameters: \n");
* I8 r6 p* f c/ I- [- q# [& } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; y. i, n, g. L1 j \/ O9 r" k ~, b
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
' e1 ]3 i* [$ l- p B - for (;;) {* h/ O$ @, ], g. i% _. ~
- c = getchar();0 o+ c9 N& y( f9 @$ k/ n
- if (c == 'y' || c == 'Y')
0 t, ^6 a6 [ f# a - break;
! b3 a8 V) N$ j5 Q! P6 d4 b1 I - if (c == 'n' || c == 'N') {. Y% p& \4 P! W- M# I7 E# m8 S
- printf("\nAborted.\n");
& X% |0 ] l- S" `2 r" U' \9 f2 l - return 1;
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- }) _' H3 X0 r) d2 m
- if (writeparam(mac, stbid) == 0)
2 x/ n, B9 i8 U: s9 z" }( k7 @ - printf("Parameters changed.\n");( R9 |, B! m. x! u- a) j3 \
) C- Y+ D# k7 _. `/ E* f- return 0;: a( e5 e" _6 x$ J* n
- }
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