本帖最后由 0522 于 2012-3-21 23:04 编辑 $ u* u0 J `; A8 ?3 ~& R% F0 C6 I
8 j4 S6 ]# b0 B c) ?+ b修改的代码早有了。到今天不会编译。
/ C8 B9 C+ j! N需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 g* ^( i. k, J$ s6 ~, }5 M2 r
- #include <malloc.h>
1 R2 ^# U) t8 e+ Q - #include <sys/types.h>; ]8 K! Z+ _, y( }, I2 O& e
- #include <sys/stat.h>7 ]6 N- c* ^) z& ]+ V8 v" r2 x
- #include <sys/ioctl.h>) I' [7 X0 G! x1 d
- #include <stdio.h>
) D- U9 {1 q. d( m0 s3 k" X - #include <string.h>1 v5 F8 s9 l. l2 i9 v& d; {4 _
$ ]8 J8 W! Z6 c1 e/ T1 g( n6 r- typedef struct {7 Q( x8 P2 `$ Z# s8 x( `% x
- unsigned int e2prom_cmd_sub_addr;
2 f& j2 Q7 _0 Z - unsigned int sub_addr_count;
. |0 N# D+ I( ]5 k2 ^& Y - unsigned char* e2prom_cmd_data;
; ?8 b% V( I- g# T- j, J4 v - unsigned int data_count;
; E1 P7 c q$ o4 c - } e2prom_s_cmd;
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9 Y. s0 ]3 w9 ?0 J1 I' [. r- #define E2PROM_CMD_READ 1' }0 _; Q. M: L" Q
- #define E2PROM_CMD_WRITE 25 m3 h0 @% s* [
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 Y1 G& A9 ]" s/ }* e6 V2 `
/ v8 p. r0 _( y. ?8 R/ g- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;4 p* W, a# [" e2 o. u) ?& p3 ]
- e2prom_s_cmd arg;
3 S, c' H& Q; S4 u) z: m - unsigned char buf[0x18];% c0 W, z6 B9 X
# j. ]( o5 m- Y& X1 [- fd = open(E2PROM_DEVICE, O_RDWR);
; P6 @* ]: S1 I1 g; T* r, V* k - if (fd < 0) {
8 @3 _/ Q8 \2 F' }* r - printf("Device %s open error.\n", E2PROM_DEVICE);( P8 {5 W! F$ D+ \( k. W' c. c) ~
- return -1;. C) t8 s U: [; k, U
- }
- O. S" A5 e" c0 k' W - arg.sub_addr_count = 2;
: H( C4 }/ x, [# L9 Y5 W* x - arg.data_count = 0x18;
+ O& R$ j, ~9 o7 [, I" m2 G - arg.e2prom_cmd_sub_addr = 0x290;5 h5 n0 w* |: u2 m+ \ d1 E: S
- arg.e2prom_cmd_data = buf;
) c; ?6 I. e' A" S. M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) C7 d% w) P6 e& F- t# F! l& v- s
- if (ret != 0) {! j8 h$ Y3 C3 Y) G) }( j
- printf("Device %s read error.\n", E2PROM_DEVICE);+ a0 g/ a6 d- \1 l' }* g
- return -1;" j5 O5 _; f1 F- j
- }! L6 Y) e. V w1 p# _
- memcpy(mac, buf, 6);: V4 J/ a4 R3 m4 \
- memcpy(stbid, &buf[6], 18);
# }. X9 M" o1 T/ {6 v3 O* T - stbid[18] = '\0';3 D P' }5 Y9 q) a% P/ i$ l7 L8 y: J3 [
0 j( }: n+ b+ {1 T% }9 {; h$ m- return 0;
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- 8 x: l; t* [- h" Y1 Z5 [3 H
- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ y) H6 {# K" W1 M3 S - {
$ ?; c% Y) M* b+ ]7 @4 _ - int fd, ret;
6 E+ ~; O' X, {% d9 l- b2 d - e2prom_s_cmd arg;
/ v l J) W2 w- a7 g2 x3 o - unsigned char buf[0x18];
% q& n T" k4 T: U - + e: R$ |3 T. ^
- memcpy(buf, mac, 6);
/ X+ \* r& C/ M! p: j0 ]. r9 T4 K - memcpy(&buf[6], stbid, 18);+ E8 q6 X5 B- s' A
- fd = open(E2PROM_DEVICE, O_RDWR);
/ |! [$ }$ q" B4 S2 D0 t; u- w - if (fd < 0) {
! T# s' B) }5 K7 z; I - printf("Device %s open error.\n", E2PROM_DEVICE);6 \+ \8 \+ _8 ?! ^' M2 ^
- return -1;7 i# {' \' [$ J( C ?
- }
7 l" s# I, @; R - arg.sub_addr_count = 2; c. T7 u8 |% K/ ]0 ?
- arg.data_count = 0x18;
# O" x4 _3 n$ h- q - arg.e2prom_cmd_sub_addr = 0x290;
. R4 n" H: E+ v - arg.e2prom_cmd_data = buf;# R- V- O: x$ [" \" E: }3 Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( h$ X/ M% \, w3 D# U+ u" \. h
- if (ret != 0) {
' ~! C8 h+ c+ Z/ {, d7 X0 W - printf("Device %s write error.\n", E2PROM_DEVICE);
( m+ U7 g, u7 h1 @ - return -1;
, \- X/ A$ l+ {; |6 ]7 g - }
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! ]& H1 j% c7 o% [! ^% x- return 0; W. u% d/ J" A) r
- }
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- int main()5 c! a8 x- W, T
- {2 h3 D8 l" u5 d* E# J+ L6 a7 |8 S
- char c;
( Y& p! t/ l* z8 t# O! k5 Q* h - int i, macs[6];
/ v& d7 r+ |% `; C. j - unsigned char mac[6];
: H; M, T) a: y' r: { - unsigned char stbid[256];
6 \% r3 ]3 r# _" H F
1 r1 N# E1 {# [6 k7 y; h- if (readparam(mac, stbid) < 0)
2 K3 j, D3 G& _, K W3 T- T! N' L/ z - return 1;0 F+ t0 s/ L4 {2 E! C
- # Y, A4 f7 M7 K0 J4 h# n
- printf("Current parameters: \n");1 o g9 [- P2 U& e) o7 ~ g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ A& A5 {8 y2 V Y7 ]! f
- printf(" STBID: %s\n", stbid);5 X1 }! W5 {6 v5 S( m, F
-
/ g o, o$ g: G4 M7 [3 n/ p - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ }4 f* M% G( [. e2 K; ?1 s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 M F' W8 R, M( s( a. `4 i
- printf("Input MAC error\n");8 }! x$ r( l8 f2 K, [/ a
- return 1;! Q/ `+ }. L, N* @& y
- }, y# f4 K1 z7 G0 B! I1 N4 h0 m- P
- for (i=0; i<6; i++)mac[i] = macs[i];
' |( K0 i' j" C( A& W: I. `, D - printf("\nPlease input new STBID: ");
( U# Y4 O H( x - scanf("%s", stbid);
" ^+ r8 }" d6 R! e - if (strlen(stbid) != 18) {
- Q9 G* d0 l* k - printf("Invalid stbid\n");& G5 X& P% k- r! c! e& Z
- return 1;
' b! r8 G k$ Z1 ^+ j. J2 c - }+ U$ c3 N6 r* M3 b9 q
- printf("\nNew parameters: \n");
X2 {7 M2 x# q: u+ r, O+ o9 d3 T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% g( d+ G& U' y! |+ D; K& V
- printf(" STBID: %s\n", stbid);
2 u% f% n" @; t; |, W - ( i4 l; X/ r# ^7 f8 B ?, z
- printf("\nDo you want to change paramemters? (y/N) ");
5 h' t% ?+ M" } - for (;;) {
7 d' K4 v; q1 F- g8 @& M - c = getchar();
. }; f4 j |7 P - if (c == 'y' || c == 'Y')& U6 j2 T$ y2 h& `
- break;
% }& N+ e6 Q# O1 g - if (c == 'n' || c == 'N') {5 P5 ?6 a' z) x1 G- v
- printf("\nAborted.\n");
8 y$ _, I. W Q0 K8 o8 n - return 1;+ C* ~9 _/ i3 _( R
- }
+ [, n+ R q! J! q8 f - }% D2 r5 K8 ]* y7 l
- if (writeparam(mac, stbid) == 0) 9 @4 j- N( O. [8 j
- printf("Parameters changed.\n");$ c" O5 O1 d) O$ b0 n
+ y$ |+ G- L: r: G# x. F- return 0;
0 T4 \! G" u# z- D9 G$ I" I" | - }
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