本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 C$ W8 W: ~. [% v* g1 v修改的代码早有了。到今天不会编译。
1 T; \+ |9 O% K' d需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- i! S2 z) w4 r2 K. L& y5 ` - #include <malloc.h>: u% G- B7 Z, I6 E' R
- #include <sys/types.h>( h2 _8 ~4 M* l( ]1 R/ @7 Q
- #include <sys/stat.h>
6 u8 |# K# L+ e$ L - #include <sys/ioctl.h>
6 o' S! [' G3 w - #include <stdio.h>& {5 h7 W4 I3 b* O6 [. n
- #include <string.h>$ j) B# l4 X' D8 ~4 o" U
( `+ F. p, p+ {$ M6 g; B9 `+ E- typedef struct {
* ]' V9 i) \0 d4 B" T: b& s - unsigned int e2prom_cmd_sub_addr;
8 F |) |( p& M+ X- @ - unsigned int sub_addr_count;
" x. R. w: P- S. E$ L) d p - unsigned char* e2prom_cmd_data;3 R% {7 y* Z' s- P( f9 ?7 E. K
- unsigned int data_count;1 h; J! ^4 s7 g3 ^' W3 A
- } e2prom_s_cmd;; D0 e% h3 g- K l% g+ R8 t
4 L$ ~% F# I; B2 G7 C# x- #define E2PROM_CMD_READ 1
4 o3 s" ]+ X) q; R, u5 f( ~) x - #define E2PROM_CMD_WRITE 2
( j! T3 D+ C0 K9 F - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; u e/ N0 y1 U3 D
8 I# l& X' C# M% a9 ^# V) G- static int readparam(unsigned char *mac, unsigned char *stbid): e: p) n8 a8 G1 @/ y$ A
- {
" L/ t A* T3 |8 _ - int fd, ret;
% K: D! j% C% R- V. ? - e2prom_s_cmd arg;4 M+ a$ @: z* P5 X3 [/ L% C) v( g
- unsigned char buf[0x18];
* B/ j H' C7 \
( t) r" u% F* i. z1 [- fd = open(E2PROM_DEVICE, O_RDWR);% c' L& r4 g D: p
- if (fd < 0) {( O& R+ d* f- f8 j8 A6 J5 [
- printf("Device %s open error.\n", E2PROM_DEVICE);
; I3 P( R/ O5 Q - return -1;
/ x' i: T& y; ^ - }2 S" p: [- [! H0 y$ s( h
- arg.sub_addr_count = 2;
# t- ^6 g2 w: h, u$ I7 x - arg.data_count = 0x18;
. Z( [+ e, s$ a: H5 X - arg.e2prom_cmd_sub_addr = 0x290;
2 ]7 O* F/ I2 V& ]6 G, z - arg.e2prom_cmd_data = buf;4 J) m8 M! l* F2 w% X0 f7 _3 I' K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. z* L; t! @; i! B2 C# D g - if (ret != 0) {
* V- R, z# w; q E* j3 g, Q/ I - printf("Device %s read error.\n", E2PROM_DEVICE);
6 p8 K+ J+ O P* t+ l' |1 |2 b - return -1;
3 O$ m. v3 k$ Z! ] - }
" j/ w7 i' D7 R; t/ x! I( Z - memcpy(mac, buf, 6);
2 W3 r3 o0 \' A1 N* ~ - memcpy(stbid, &buf[6], 18);( C; k& P4 i( h+ s4 ]( I4 P
- stbid[18] = '\0';
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) `" N) g0 \+ k7 [; F: r- return 0;
. O9 x8 N1 M9 _; ^: t - }
8 N9 K8 N( K7 v1 O9 K7 K7 X - * C+ z; D, A' M* @; U
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 f6 Z3 S* J! S - {
# p/ f( M* ]0 z! y& N2 `, C) P - int fd, ret;
5 Z! z7 y" ^/ b - e2prom_s_cmd arg;# \' e3 {+ `( F+ f
- unsigned char buf[0x18];
7 ]3 r: {5 Y# W. q
. j2 n# C8 X4 k$ l- memcpy(buf, mac, 6);
- H4 E4 ?+ J4 o5 y8 P - memcpy(&buf[6], stbid, 18);- `1 o) ~9 ~6 k9 B
- fd = open(E2PROM_DEVICE, O_RDWR);
) x- X1 m7 G+ ?* t! h; J& I2 S - if (fd < 0) {% M' E( p, I2 v2 ~
- printf("Device %s open error.\n", E2PROM_DEVICE); V0 _# C) n+ b6 _/ d5 l6 W
- return -1;
, m3 G, B8 L) O* i0 I, R - }
' T' U3 g0 O$ l" S9 P( h* z7 a - arg.sub_addr_count = 2;
0 D1 `5 [9 R; B$ t - arg.data_count = 0x18;
/ L, {. x/ Q& M1 y - arg.e2prom_cmd_sub_addr = 0x290;7 g" A( ?/ S1 a# r+ _3 [- f
- arg.e2prom_cmd_data = buf;7 N3 c# d9 e' x- g4 X. r
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ p# g1 i/ s! K7 M0 o Z/ M
- if (ret != 0) {* L5 o1 U6 M! c8 a
- printf("Device %s write error.\n", E2PROM_DEVICE);
" w( M/ n) F, u L0 v' `- E - return -1;
- w: R1 s3 W W' q' k - }
' w) G5 T( L. ^7 e/ c% g& Z
2 X) i: u3 M6 l9 t4 O+ T- return 0;
5 K" _- N( L8 n( _% m* q - }, A4 l. x3 e! x/ F0 ]7 o
- ) d s9 [; v8 @2 q. _$ x" I
- int main()
% W5 s$ t# w& r% d* j - {
# U$ I5 Y/ j `. w3 q - char c;7 J( f+ f- Y3 r4 E2 i
- int i, macs[6];
u" S5 d, \4 d/ e. m4 j* p - unsigned char mac[6];
" v7 ], ?7 S2 q v% x3 E1 I! ^ - unsigned char stbid[256];8 e% {9 V# H4 N* ]6 S6 d V1 E. Y
- 2 F- [9 M8 w. ^5 G' O0 E
- if (readparam(mac, stbid) < 0)# u' D" K2 V* d5 \' u5 h' i
- return 1;( \+ ?% I0 F: {4 I
% d# E8 ^5 g8 U! b% N- printf("Current parameters: \n");
) b9 K$ G, K1 @4 @$ U% Z' ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. U, q5 `; F- w
- printf(" STBID: %s\n", stbid);
( n$ w- a/ e( _" f3 M9 C+ W' Y -
7 L; ]# t; @$ [8 m3 i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# ~6 ^$ F9 `4 \/ s+ h7 N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 ~$ `! D/ m2 m. H# G( D" x& o3 h4 X - printf("Input MAC error\n");
1 r5 r6 N0 G0 }2 v, t# v8 J4 \ - return 1;1 N u0 p6 H: W0 K
- }
$ D* G; k4 ?7 Z* S6 n6 P - for (i=0; i<6; i++)mac[i] = macs[i];
5 B N8 u" l" G3 z - printf("\nPlease input new STBID: ");" F( ~2 p" g# ~6 q8 b4 R2 G
- scanf("%s", stbid);1 _; D( u0 m! v: _% p* e5 U3 `: @5 i
- if (strlen(stbid) != 18) {( F7 t' n7 y/ {
- printf("Invalid stbid\n");
1 W f% T3 d( e- C - return 1;
3 m G# A2 w8 F0 z4 j - }
2 d& r4 X: i/ P% A - printf("\nNew parameters: \n");
, I5 e3 u' N+ c4 j8 i+ f& x& i0 w. \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' m* T% |( a9 P. C F& e - printf(" STBID: %s\n", stbid);" |7 ^2 i7 d2 P) W
- 8 J" B2 ~ T: i% i, l
- printf("\nDo you want to change paramemters? (y/N) "); d/ s1 f5 O1 N& g) W, c$ }8 b
- for (;;) {2 X e0 ?+ q' R, J! Q5 R
- c = getchar();! {# |+ A% _/ ]! J: c9 M3 X- P
- if (c == 'y' || c == 'Y')- b) h- P; B% _ T; n5 _4 f
- break;% L% f7 O) o) [2 k( y" n6 q1 C3 v
- if (c == 'n' || c == 'N') {
) j0 H: i7 U( Y! R) v- C7 @ - printf("\nAborted.\n");( M/ ^) O" v1 I- O( G6 c% d$ o
- return 1; T- a! E. E s, U# D3 _; ]
- }
' L4 F+ a7 j$ j( Q t+ E - }
& m: u6 K2 B% ~$ b/ O! [5 M - if (writeparam(mac, stbid) == 0)
) ^( T+ ^2 c: G - printf("Parameters changed.\n");
. X. q! c# y0 X! ` - ( }, ~, L' P: j8 C/ a5 J
- return 0;
1 x% t: E* F- o; C2 s3 e% e* ] - }
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