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 ?- {& ~7 T5 L: E# J
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 }* n( s# \7 S: E4 Y2 S
- #include <malloc.h>
2 Z8 m0 h m4 g+ ? X# q' U' z' ~ - #include <sys/types.h>
! j, ^6 Q( h' a. y& v - #include <sys/stat.h>
( W0 x: I @$ w; l. ` - #include <sys/ioctl.h>1 ?# e( j8 S; P& P7 l
- #include <stdio.h>
- c' z0 U! x# i9 f1 T% f$ y - #include <string.h>0 O) y1 y% }9 h. ^
- # `" b3 v5 C1 S) C2 C
- typedef struct {
( i; t# V6 T7 ~, g - unsigned int e2prom_cmd_sub_addr;+ @( L% a4 v/ F I
- unsigned int sub_addr_count;
# e4 t% R& m$ p9 @, G - unsigned char* e2prom_cmd_data;
8 }+ K3 I% h! m d9 `3 R4 L' Z - unsigned int data_count;/ ~1 _, H3 s) T( C, |$ y7 g
- } e2prom_s_cmd;
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% y+ ?5 _! e; ?, b. \+ A- #define E2PROM_CMD_READ 1
( y4 |$ o/ i( X3 O - #define E2PROM_CMD_WRITE 2
4 c" B4 {% f2 N. h, }5 C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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& m$ O& B" F- F+ z( g - int fd, ret;# M6 s" B& U, e' Z
- e2prom_s_cmd arg;. ~5 l: V# t* c; _) U5 _; E
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);' T3 H% e- E1 ]. c8 y" y5 p8 l: S! o
- if (fd < 0) {
8 G5 d1 p# C2 c: e, b; F - printf("Device %s open error.\n", E2PROM_DEVICE);
( \; g0 L# \1 g: J9 J& @+ O - return -1;
( T8 W" E$ I( p; z9 S; h' o3 p; x - }
( W% `. p% S) w - arg.sub_addr_count = 2;
6 m# G9 I7 Q% _9 R/ x - arg.data_count = 0x18;) q: e0 ^) G8 S7 f; ?3 N
- arg.e2prom_cmd_sub_addr = 0x290;
' ?2 Y4 J5 { B1 c5 M - arg.e2prom_cmd_data = buf;
5 [4 N3 T& v7 I# n2 { - ret = ioctl(fd, E2PROM_CMD_READ, &arg);& u. c% {1 D- h" |, a3 x6 ]
- if (ret != 0) {' ]. D+ c6 S1 [9 A. W' ]8 h5 K
- printf("Device %s read error.\n", E2PROM_DEVICE);
! A1 ~8 Z: k" b% ?# ` - return -1;3 _& r8 Q) z2 F J
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- memcpy(mac, buf, 6);+ ^- d. j* E* }) {5 ^ B
- memcpy(stbid, &buf[6], 18);
1 M4 C2 V7 K2 O - stbid[18] = '\0';
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. W* s \: z% M6 r- return 0;
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* _, W& T1 z% D3 G/ s- static int writeparam(unsigned char *mac, unsigned char *stbid)2 e$ _( _8 y% w/ M- S
- {- [: ?: {0 x7 M/ K6 ^$ `% g ~
- int fd, ret;
- O+ _! C$ w/ N. ?8 U# ~ - e2prom_s_cmd arg;
/ z5 U0 z( L6 m/ j: _ C - unsigned char buf[0x18];7 p8 t1 o8 D6 z/ G4 |- R5 y+ n
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- memcpy(buf, mac, 6);
( O( l4 O6 v. {& s - memcpy(&buf[6], stbid, 18);
1 u2 Z* E% M% j% q - fd = open(E2PROM_DEVICE, O_RDWR);
/ F5 q' A7 Z3 K - if (fd < 0) {
. F+ @! W4 Q4 v6 F/ S - printf("Device %s open error.\n", E2PROM_DEVICE);( [4 p7 k8 T0 ?1 d) ?' p
- return -1;
" [4 j0 l# U5 H/ V3 Q - }
! Y+ d# i# X4 t - arg.sub_addr_count = 2;4 r9 t# j7 M0 d* v' ]$ h0 b6 |
- arg.data_count = 0x18;2 S3 d) e6 m& K+ c9 P( ?
- arg.e2prom_cmd_sub_addr = 0x290;0 C, w8 Q, g: v1 Z
- arg.e2prom_cmd_data = buf;
4 R8 a3 G$ o2 ?, o8 U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& t# I' C3 u5 |* V" W, d - if (ret != 0) {6 B7 ^3 J# R) M
- printf("Device %s write error.\n", E2PROM_DEVICE);: F3 g& [ W3 O9 {4 r
- return -1;( k x! U9 s( U
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- return 0;" Y* w6 f3 d( y) d5 d
- }
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- int main()
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1 j$ m, h, z8 l" B$ m8 i W - char c;
; b4 z+ g6 L' ~6 J - int i, macs[6];
4 b5 s, C' o) z - unsigned char mac[6];& _4 s5 n4 Z! y p" B1 |
- unsigned char stbid[256];
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7 S( e" F V s) P1 K2 H" X- if (readparam(mac, stbid) < 0)
- D# W" H% N/ Y# G3 k. i2 k - return 1;
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( z8 l$ V( Y r$ X9 [1 k( X- printf("Current parameters: \n");
+ ?7 i* R. Y$ |6 _' V- c6 d6 P* L1 c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' c2 H: S& k* k8 C. S2 T* P4 x" O% m6 `
- printf(" STBID: %s\n", stbid);( e+ `9 X/ j, c7 Q
-
( t/ s# b' z3 ]6 k/ D! E# ]& i! p& o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 ]& l" k4 b$ ^' w6 z/ i$ a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. _1 Y8 O0 m, O5 h, R
- printf("Input MAC error\n");/ O5 Q' z" z. G D: u, ?
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];$ M0 ~) c4 s" H; @
- printf("\nPlease input new STBID: ");% ?( R1 P) g" ~0 k j* y7 ]* T! S
- scanf("%s", stbid);
& `& g6 }! M% ~8 q - if (strlen(stbid) != 18) {
1 E' u" N( i( {: {9 l4 X; W3 F - printf("Invalid stbid\n");+ I6 c3 |/ J4 K+ t; p. O8 P+ v: P4 B
- return 1;
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- printf("\nNew parameters: \n");0 w2 m6 P0 r: l4 I* c' ~7 w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# ]) L: h/ Z& `& l( r/ a( l0 x" [
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");$ C: C, F G& Z5 O5 p# G8 e
- for (;;) {
. o; n8 C7 Z; Z" b# M: n* _( ^ - c = getchar();
2 s1 K* Z: d. R; Z% {) P- | - if (c == 'y' || c == 'Y'), z3 \9 z- Y7 C) c# T! i5 t
- break;5 z0 x% H% A7 J: L( X( I
- if (c == 'n' || c == 'N') {( a1 l& e* j7 x: s+ p5 h6 @
- printf("\nAborted.\n");
2 E$ i4 \! ]8 }' \ - return 1;
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2 w2 w8 ` Y! @" q6 u2 x& ] - }
4 X) Y8 x- k$ K9 ^: f% M9 Y, A - if (writeparam(mac, stbid) == 0)
4 }8 P' t( o! L/ S. c - printf("Parameters changed.\n");
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- return 0;! o) w2 D! m0 v/ h" Y$ e
- }
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