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。
' t( ]9 Z4 O, W g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: x# P- S D4 q2 ?$ Z - #include <malloc.h>
5 X) e4 ?4 y- B0 U) l - #include <sys/types.h>* X$ ~ i1 L+ m/ G; w4 ]5 G! [
- #include <sys/stat.h>
9 O; d/ ?8 g4 d c% w; a1 `9 w U - #include <sys/ioctl.h>
2 d/ h+ ?8 ~; O# w4 y( o - #include <stdio.h>
9 M( k/ U4 M. t. b- a$ W - #include <string.h>4 t0 @, _# r% y2 @/ D+ u5 Y% j1 B
5 o* h/ V9 h7 w, Z4 t3 X- typedef struct {0 N: O6 H6 B7 f# J
- unsigned int e2prom_cmd_sub_addr;5 |/ [5 Y" _" k1 H" G
- unsigned int sub_addr_count;
# l4 b1 X: I& K8 f5 O* _ - unsigned char* e2prom_cmd_data;7 Y" O2 o6 j+ j9 {* Q- C
- unsigned int data_count;
- q6 x0 T; _9 ]3 G& o7 N5 _2 p - } e2prom_s_cmd;
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, j: T; a$ ^" e" c* n( R9 i- #define E2PROM_CMD_READ 1 B, Z5 K8 m+ O! H9 H7 \3 K( N' Q
- #define E2PROM_CMD_WRITE 28 h) M. u2 C0 d) c0 @+ K5 _; G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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. [' |6 P' z: X" t; n- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 N) W2 h/ F1 W: X- G8 k
- e2prom_s_cmd arg;/ @8 }4 d( m& q- w3 |
- unsigned char buf[0x18];2 A0 z9 n7 {( Q* p. L
! l# a4 X& ~! }- ?: n- fd = open(E2PROM_DEVICE, O_RDWR);/ T$ y/ V) @5 p2 p7 P3 ^- g& {
- if (fd < 0) {
' p, ]3 A) B Z/ W( ? - printf("Device %s open error.\n", E2PROM_DEVICE);
/ E2 ]5 B7 j/ \% c# T - return -1;
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- arg.sub_addr_count = 2;
( D' a. M5 Q3 |, G1 I6 \9 H: X - arg.data_count = 0x18;
! d2 {+ z# P2 X - arg.e2prom_cmd_sub_addr = 0x290;; e+ g+ [# M2 t4 H9 \4 d0 }) I
- arg.e2prom_cmd_data = buf;# v U9 G2 x) y6 T- s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 ^% H# \' {2 k! N2 C
- if (ret != 0) {( L! `; l a" ^% G/ n
- printf("Device %s read error.\n", E2PROM_DEVICE);2 t. \% R4 p" E; a- P/ f3 B. A
- return -1;5 N! ]" j+ O, w* B) {4 G
- }
+ o* B; }) I3 c - memcpy(mac, buf, 6);
% Q& s# u: @5 ^% O0 A- C! c0 u' G0 I - memcpy(stbid, &buf[6], 18);
9 Q: J" w M, U. D - stbid[18] = '\0';; E4 E( H6 J" H8 ^, z( j7 \" `
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- return 0;5 Q$ \, V* `/ ] \. Q
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& q. J' z# K6 U( O% e- static int writeparam(unsigned char *mac, unsigned char *stbid); M7 v( `- V7 X+ n2 P' \
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- int fd, ret;
% Q3 S+ S. P& V1 q - e2prom_s_cmd arg;# S$ a$ i" K6 Z& e6 N+ h% ?& o
- unsigned char buf[0x18];/ ~$ H3 f7 y$ ]" i3 P( }% A3 V6 }
~; k# W4 _. x) R8 n1 j* X& m2 W- memcpy(buf, mac, 6);' u% m& _9 Q9 w# W+ f" D+ V @
- memcpy(&buf[6], stbid, 18);1 I9 @! d8 [* B
- fd = open(E2PROM_DEVICE, O_RDWR);' j3 _( P5 A& d
- if (fd < 0) {5 K) N. a& e8 [" a( R+ Z. h6 D
- printf("Device %s open error.\n", E2PROM_DEVICE);) Z3 O1 i) }! E9 h6 U* r
- return -1;
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- arg.sub_addr_count = 2;
2 j6 a, i0 k" F4 f - arg.data_count = 0x18;( p4 @9 W4 ]8 [ }
- arg.e2prom_cmd_sub_addr = 0x290;
) E+ B1 D9 C" @6 ^ - arg.e2prom_cmd_data = buf;
" O$ r! a+ B: ]" Z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- d: c9 I+ g6 d. W% m) Z, n2 k6 S
- if (ret != 0) {: f4 s0 {. p G; R7 P
- printf("Device %s write error.\n", E2PROM_DEVICE);
# n1 \& M4 r( J - return -1;6 z5 E* e' s/ z, q7 h5 m" s& ~# P
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- return 0;5 I) e3 ?6 S2 O) a" z& j( T! M
- }
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- int main()6 |- \) h1 u& u/ W
- {
/ f+ L' {1 j7 \1 E - char c;
- g6 D$ E2 ^" ~7 c7 k - int i, macs[6];
( l$ I5 i# e9 Z* W, u6 ~. l- v" K - unsigned char mac[6];
; x0 G4 T: t. A& m, [8 \ - unsigned char stbid[256];
/ m6 e5 B2 Y. s2 G- {; D/ {
$ o# ]" Q* \1 b. A( {- if (readparam(mac, stbid) < 0)/ m8 H& |# z& W) x& S
- return 1;
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. m* y+ }( i9 k+ z7 b- printf("Current parameters: \n");; [, a5 X J" j" U. _. [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 g' h2 ~6 G. y- a: F - printf(" STBID: %s\n", stbid);5 D3 ]/ m1 s- ?- [- |. _! H0 E6 u: G
- 2 r& k& J- } ]2 g/ a C3 ^6 O) L) e
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: H) n1 E- }' ~1 v
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 E W6 g! v/ u8 p# g) L - printf("Input MAC error\n");
( `% ~! |. o8 C - return 1;0 U# N8 B! i; K8 d
- }
7 ^- }# b0 V3 w+ G - for (i=0; i<6; i++)mac[i] = macs[i];1 b/ c9 k3 p1 h: O
- printf("\nPlease input new STBID: ");
u8 O3 T8 n$ x) I) S7 V - scanf("%s", stbid);
$ |5 w2 W. ^7 a6 v; N7 c - if (strlen(stbid) != 18) {3 }' r9 j7 F- I" N
- printf("Invalid stbid\n");6 ?1 p. ]( T* g2 ?) Y; k
- return 1;2 o0 o% s s' P
- }
5 [3 q2 Z& L9 x9 Y1 e - printf("\nNew parameters: \n");
( J H; z; m, w0 x: e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& V7 y1 ]- l# y' I6 x- ~; ^% N0 W7 l - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
3 d6 p3 e% p; f( } - for (;;) {$ H$ |! ~( j# d4 }
- c = getchar();" m S! @' _" \/ ]
- if (c == 'y' || c == 'Y'). Z7 [0 y( X& w0 T
- break;5 R3 W3 D: U0 X1 b8 F
- if (c == 'n' || c == 'N') {3 t+ F6 n( ^ k! q+ u% x; s6 P8 n
- printf("\nAborted.\n");% W$ N K; ?4 Z: I1 g4 \+ x) e
- return 1;: b5 J7 X: ]( q( i, V2 L
- }
& q& \! @5 a6 G - }
) m$ H. @+ a) Y7 M- W3 b8 V: f6 y - if (writeparam(mac, stbid) == 0) 7 i6 u% S; M/ P, N, n
- printf("Parameters changed.\n");
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) Z9 G9 m3 x: Z) q7 P" E- return 0;
* W+ R7 x- [7 y8 g0 h1 ] - }
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