本帖最后由 0522 于 2012-3-21 23:04 编辑 ( N9 I- _) @+ e5 b
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修改的代码早有了。到今天不会编译。
4 [ R/ k! @6 {$ g1 b; J, X' N需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* H1 h+ G* w" d1 t6 a7 h - #include <malloc.h>
, ~$ k: ~+ @7 i, U - #include <sys/types.h>
& o% e' r+ y7 a& v/ R - #include <sys/stat.h>
9 w+ d4 d, A/ b5 J+ K& L8 V! c4 k - #include <sys/ioctl.h>' Z2 v- @# g$ F9 J5 v
- #include <stdio.h>
" P( ?8 p# f3 {% K3 U - #include <string.h>
2 f. k" u9 J& P& N- L: {% F4 r - 2 e3 ]; @" D x4 ?, y3 g3 m
- typedef struct {1 A; X7 O- A) n4 m+ Q+ u) J, ~
- unsigned int e2prom_cmd_sub_addr;
2 u4 E8 q+ _# [; i0 @% W8 R - unsigned int sub_addr_count;! p, ?, V2 A& D R* Y- C
- unsigned char* e2prom_cmd_data;. f2 P; v$ j" p; R
- unsigned int data_count;
, \1 B6 f0 ^! H - } e2prom_s_cmd;8 K; l; n: t, x# g) }+ H4 d
- 1 Y6 g1 w2 o- X
- #define E2PROM_CMD_READ 12 b' B8 I: ~& b1 r5 r9 [
- #define E2PROM_CMD_WRITE 2
2 c& u) y/ p3 O0 t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)/ D% r9 k0 Z# U8 h
- {! y$ S/ ?9 }& ]7 j( \
- int fd, ret;# S' f+ H7 o. ?+ \, q1 Q0 n) q6 u+ X. B5 q
- e2prom_s_cmd arg;
; d- @& J+ U% o7 m7 e2 T- c0 b - unsigned char buf[0x18];/ E5 _- |4 ]9 I0 w# l
2 k4 q! f7 b$ v3 b7 c+ J3 J4 C- fd = open(E2PROM_DEVICE, O_RDWR);
7 y% n1 q! |9 W% N T# X - if (fd < 0) {
]9 R" z* k/ O# f7 ]" q' O& j9 g - printf("Device %s open error.\n", E2PROM_DEVICE);
. I# F' d9 e* B - return -1;) j8 j; t& e0 J1 f% @
- }+ O7 ?) n4 D8 i" X! s5 a% Y1 f
- arg.sub_addr_count = 2;
) A* G) h, I6 \: { v' y; _ - arg.data_count = 0x18;
. ~7 s2 A- n2 }0 j% e - arg.e2prom_cmd_sub_addr = 0x290;# Q# b& f+ h& ^, P9 m1 ]6 \
- arg.e2prom_cmd_data = buf;7 ]" n" n8 ? n8 q# R
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& i; g/ A3 q7 |5 `* l; K9 @ - if (ret != 0) {" R: [' Y/ y. g" b" z6 n" d+ j
- printf("Device %s read error.\n", E2PROM_DEVICE);
: P6 G; u# K4 R7 s - return -1;
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- memcpy(mac, buf, 6);
! q% ?2 s* d( x$ B! _ - memcpy(stbid, &buf[6], 18);* P* O3 m7 L% ]4 P0 H0 V
- stbid[18] = '\0';& `- a! l6 I, ?) e' W
- ! J- e! Q9 f( M2 U$ u z, \
- return 0; s6 j5 t* i+ g
- }
/ q! j# r% q: t3 l: A
5 i' t; Q& z( p# `! t, E: p: j0 ]& y: c- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' f7 N7 r* o. K - e2prom_s_cmd arg;
, u0 X6 s! f. k0 T- i4 t - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);& C/ V* V5 [$ }, f
- memcpy(&buf[6], stbid, 18);+ p: e; I" X- p I
- fd = open(E2PROM_DEVICE, O_RDWR);
) ^: g% g4 t; E9 j( W7 P9 ] - if (fd < 0) {
& N8 \: v, }: H% `9 R1 w2 |; a - printf("Device %s open error.\n", E2PROM_DEVICE);/ i' d/ I3 V& X" I" }; | U3 A) j0 Z \
- return -1;9 b' v5 F; T+ ?
- }
_% ~4 z0 v ?8 \9 h - arg.sub_addr_count = 2;) O; I1 C5 N% D4 k4 v- P
- arg.data_count = 0x18;
* t# R; {6 v3 N7 M8 i o - arg.e2prom_cmd_sub_addr = 0x290;
/ e$ v8 w& k& c+ y2 z0 V - arg.e2prom_cmd_data = buf;; S6 P+ [8 V* V4 @) p& m* F" g
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! K! ]2 H8 N4 F6 _& [ - if (ret != 0) {
9 F# _2 B( u" m+ _9 a; Y - printf("Device %s write error.\n", E2PROM_DEVICE);+ G4 v; s- d% d* `' v' V
- return -1;% ], t8 f# T4 L5 q9 U: K" X8 s8 w
- }5 X3 C7 O; ~3 X
3 E2 _3 P* S4 F+ w( y- return 0;
. q# g( Z1 V \) g/ D# u - }
9 |# L. h' Y0 I, l; U c
# Z# T0 k2 p" J8 {! Z* ^( `& k& d- int main(), u) E; t& K1 z) k, _
- {
4 v+ `/ m/ \) D+ \. t+ y8 w" N - char c;
# T! N2 N1 u3 e0 P - int i, macs[6];
6 o, B5 v- k% Q% H1 M" _8 i6 v - unsigned char mac[6];
! ]3 S9 j+ }/ C* ^& @4 T* @ - unsigned char stbid[256];
: ]) L2 ^$ a$ h# W* L4 s6 ?
! B% t$ {6 H9 T) m- O( A- v- if (readparam(mac, stbid) < 0)
' Y" V* n1 H1 M& w1 S - return 1;
2 z2 @9 d" S! L6 Q' G
7 @, v: P# z) V0 O. C% }/ [) {' ^- printf("Current parameters: \n");
$ i2 \% B8 L* n' M; F. _; d - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 @5 x: V/ S8 e - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 J9 J7 a; _2 p, X4 A; P# @. L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( V! v7 ^ G. f0 H - printf("Input MAC error\n");
4 c I2 u/ c: c( D/ K% v - return 1;
5 q& l9 V: u. [ - }
# i0 R; @/ U1 T8 y4 g. U - for (i=0; i<6; i++)mac[i] = macs[i];
( _; [, ]# l, x. m. ? - printf("\nPlease input new STBID: ");
+ }0 C& G- C9 y. ^& z+ f - scanf("%s", stbid);
; t4 O+ h% a# ]' y4 f3 C2 i - if (strlen(stbid) != 18) {
0 E$ p# K1 U9 A8 I - printf("Invalid stbid\n");
- f: T" V* e3 x& P# r; L3 s+ A, j c - return 1;0 w4 B! X- p% w. T$ Y
- }
4 l: ~& \! W: r3 k+ Y, Q: {; S2 W - printf("\nNew parameters: \n");
" n5 }8 P( G" C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( n, h7 n1 e0 l' F) V2 G7 x8 ] - printf(" STBID: %s\n", stbid);' |9 E$ n' M' s( c. r
4 A+ y, B# y L8 M- printf("\nDo you want to change paramemters? (y/N) ");
0 q7 o9 @( ?& N# V3 P7 g3 k - for (;;) {
5 s& E7 {5 b( H5 Y# S2 Q - c = getchar();
- I' a& O8 D( c - if (c == 'y' || c == 'Y')
K( Q! J. r8 ]' t1 {0 g - break;/ U9 `1 |6 }6 w! w, d. Y- z1 P
- if (c == 'n' || c == 'N') {
3 k- l5 {9 k) S4 f - printf("\nAborted.\n");2 y' D- T7 M) L% ? N2 q8 z* W( a7 M
- return 1;% m! {( f- G. X4 j" l. t6 a
- }
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- if (writeparam(mac, stbid) == 0) . ]/ C+ Q! ?# t+ t9 B" p
- printf("Parameters changed.\n");
. I7 O, G& `. g: L9 v& t5 c: p { - ! p S3 t1 P% w1 x) N! E
- return 0;- D1 e& R$ n% i3 }; g5 B
- }
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