本帖最后由 0522 于 2012-3-21 23:04 编辑 - w0 s% }! Y; w5 S2 p8 E) Z* W5 K
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修改的代码早有了。到今天不会编译。% f" X% [# k. o* C8 u
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% L3 v( k: `4 N: q
- #include <malloc.h>
6 U f0 y- z1 X1 K8 V - #include <sys/types.h>9 m2 N1 k- ?) U0 D6 d$ p( d' J
- #include <sys/stat.h>
) v5 u& L9 x N2 ]& p$ m2 e - #include <sys/ioctl.h>
# b# P- h! q( v3 Q5 r2 [ - #include <stdio.h>
8 v& k6 X6 P5 @ - #include <string.h>' {, C6 A; j8 L/ l) M; g* a
- ( |. d0 F( T) S7 _8 i- P5 e% k7 R
- typedef struct {
S( W% X% N1 |: C1 s/ M - unsigned int e2prom_cmd_sub_addr;
4 Z) ^8 B, ?" j) n7 @' v7 G - unsigned int sub_addr_count;
: j, X3 H, s4 x. y" S" Q - unsigned char* e2prom_cmd_data;
9 R1 @/ Y5 J2 R C0 Q - unsigned int data_count;
! i4 x! n' j- K4 u( P2 v/ } - } e2prom_s_cmd;! P' O' `/ a- q5 ~3 b# b) D
5 V) C' X7 n, y1 E: Z ^# ~- #define E2PROM_CMD_READ 1% |5 W& p* w6 ~2 }$ ]- C
- #define E2PROM_CMD_WRITE 2
! J& R' \1 F* r# R( k - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" X, x& W9 k* Q# h) A% u) h3 w% O
- ; ?; c6 E4 n0 ^2 M8 J
- static int readparam(unsigned char *mac, unsigned char *stbid), j }5 E# d: _% [- Z7 a- U: l+ p
- {2 x0 R* N3 S9 g e& [( c
- int fd, ret;
1 M1 j; |, p0 H+ ? }! a- j - e2prom_s_cmd arg;
3 F' Y4 t' N g" N7 ~& i - unsigned char buf[0x18];3 R- `) B1 G- x! p' ?0 w2 ^* P
- - `5 r. P( n6 d3 W0 @
- fd = open(E2PROM_DEVICE, O_RDWR);
0 ?+ U9 U' @4 A j4 t% y( d - if (fd < 0) {* z* a9 D% y- A
- printf("Device %s open error.\n", E2PROM_DEVICE);; H: M2 w2 h0 R3 `
- return -1;
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- arg.sub_addr_count = 2;
+ Q9 i: u$ @# C' B - arg.data_count = 0x18;1 R# o% @0 L. H6 v7 X
- arg.e2prom_cmd_sub_addr = 0x290;. l" A8 k' ^+ X. O+ [9 y$ v
- arg.e2prom_cmd_data = buf;
6 ]; ]- C2 `/ j/ ~1 D - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# z9 @0 ~% H1 _& v
- if (ret != 0) {) `$ f" @2 }1 }& L9 r y
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 E9 n" n& v2 T- i5 N8 ^4 k1 A3 m - return -1;
5 n/ K$ a( G0 i5 Y v* A0 w4 G - }
% v* Y6 ? G! ] V# y4 C1 a: y: ?# r - memcpy(mac, buf, 6);
6 q) x: q3 a% _: G, @+ w" L0 Y - memcpy(stbid, &buf[6], 18);
) ?) K6 e5 Z3 ^( Z - stbid[18] = '\0';8 b) V/ i3 r7 g
0 X1 a9 e: g: _5 A- return 0;/ b c1 z b+ K! D) N
- }# w6 r/ ^" b1 ~; e3 w8 {
- 0 b0 T6 ]. {* k( \7 Z9 R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 W& c+ _7 L2 A8 h8 h - {
# H$ X1 v' B. ~8 ]8 ~' A V - int fd, ret;
+ R6 Z* u8 |& D8 e- H# Q1 G - e2prom_s_cmd arg;5 J3 n7 h& Q, |0 Z8 q1 l& @( ?
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);$ `5 L- }, K9 V5 Y! M& O# F. Z
- memcpy(&buf[6], stbid, 18);
V" M+ A3 K( P6 W9 q" w - fd = open(E2PROM_DEVICE, O_RDWR);- |2 w1 B F( r5 M
- if (fd < 0) {
( g/ ^ K, O* \! m2 p# t - printf("Device %s open error.\n", E2PROM_DEVICE);( M- j/ `8 _: V, D; S
- return -1;. v# ^/ r4 v" I
- }" ^5 K% W3 f- I' _, `. p; q+ ?( S# I
- arg.sub_addr_count = 2;6 v0 y: e) X) c% |1 k
- arg.data_count = 0x18;
- r/ P) u: x0 A7 s6 Q - arg.e2prom_cmd_sub_addr = 0x290;
" G. Q; `& R* u; K0 } a - arg.e2prom_cmd_data = buf;' @" i/ E( X' x. T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 M; @+ P) l" K
- if (ret != 0) {0 [8 m, @" q+ P
- printf("Device %s write error.\n", E2PROM_DEVICE);3 P( E2 v$ `: F, d$ m
- return -1;. U5 J, U8 R9 _- s1 p" s6 D
- }
# v% N1 A$ i+ w# Z: ]9 B. w& y
% ?3 V+ r) o$ `; v2 p: B- return 0;
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m, K) t4 g$ v, H" a" B, P7 ?- int main()
$ `1 {, f5 ~- a& Y - {) j: ~3 I* p: o, b
- char c;) I6 A4 V F" g7 c" _) V4 n% r% j% A
- int i, macs[6];
3 V" I) Q4 o0 M$ V( w5 y7 I - unsigned char mac[6];' w# B/ ]# ^) _
- unsigned char stbid[256];
. x+ B9 `4 Q+ c' g - : O1 A" F" M+ F
- if (readparam(mac, stbid) < 0)
' a( m" i% g9 e! F; d - return 1;
- |% i& d0 K- C( M) |$ _# N4 Y
* k* ?7 G' |4 s- R- printf("Current parameters: \n");
3 P# i& ?" X! y6 M; ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' I& \% t' m! Y" S( M. n - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 P' Z% I3 b2 F* I2 L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% l$ K; {* Y G
- printf("Input MAC error\n");
* q8 }# S% O1 S. G9 l$ K0 O3 v8 ~ - return 1;
6 v! ^9 R$ \! S* G( J - }2 D+ ?8 {4 |' j6 g8 l. A6 S
- for (i=0; i<6; i++)mac[i] = macs[i];
Q1 b3 ?- ?* [+ e* ` - printf("\nPlease input new STBID: ");
9 M: j8 P: z* D0 K4 U+ a - scanf("%s", stbid); g0 Z1 q+ J2 b; @& P
- if (strlen(stbid) != 18) {
+ Z+ P. o2 O0 w3 Z - printf("Invalid stbid\n");
- v, k+ H) u2 E9 A5 U3 R5 s - return 1;
1 \ Q: f/ Y- l% O; J - }
. w" q* x; L8 N: X" ? - printf("\nNew parameters: \n");8 g7 J' `. N9 S0 f; g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) j& e1 z& c9 S; a% `; K( w" D - printf(" STBID: %s\n", stbid);$ c( y! S0 [% t7 p; }2 f# f
( Q/ I+ t: D& l/ A! `& M- F- printf("\nDo you want to change paramemters? (y/N) ");
/ v; e0 c4 |/ U( P4 Y3 Q$ K! d - for (;;) {
6 K$ ]7 V# @9 x# Y% Z2 _# q) O - c = getchar();' C7 d8 q. G/ M% |4 H6 W) u) C
- if (c == 'y' || c == 'Y')
* N% g: I9 o6 o2 n1 z4 w - break;$ R4 M, Q }0 R) B& n+ Y) |
- if (c == 'n' || c == 'N') {
9 a$ H1 l9 B# x( ~) H4 x( ~ - printf("\nAborted.\n");
1 W1 c; j% `: v# O* |$ r4 j" e - return 1; J0 E6 f$ I" k* ~/ D7 c1 z
- }8 K; \1 D! b* @3 I
- }
7 }; H% Y+ K: {5 F% N - if (writeparam(mac, stbid) == 0) ) g* T2 u: a1 z9 _9 y. C, t: n
- printf("Parameters changed.\n");
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- w: ]5 {4 V! p2 M/ c- return 0;
. j7 X7 p! ]( X# M2 n9 L - }
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