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。 Q' p! I$ W# C9 m, q! o7 b" G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 }- U8 r$ w! L2 R+ O4 _9 F ^$ P- ?
- #include <malloc.h>9 {6 f4 S$ d3 |- [% U$ [/ T
- #include <sys/types.h>
' R0 F+ K& e, N( j( t8 v4 ^: G - #include <sys/stat.h>$ }) K2 ]+ E8 @9 J) o
- #include <sys/ioctl.h> r- i1 ~ s2 w; n+ u
- #include <stdio.h>/ ?' x( Z2 n3 S) o8 l1 s; n9 v
- #include <string.h>7 s9 `( f! E$ F$ y
- 3 }9 D. g3 i# ]% @( [
- typedef struct {
& T- k b* G. Q8 I) F, P# A - unsigned int e2prom_cmd_sub_addr;
' _2 m4 u7 p/ g) `! h - unsigned int sub_addr_count;
* @. z6 k3 Y* C5 K' F - unsigned char* e2prom_cmd_data;& T1 `7 ]: q$ i0 T+ b# v
- unsigned int data_count;
, O3 _! {* U2 \/ u ?; @: {$ Y - } e2prom_s_cmd;
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& @5 H1 z9 q' M, o) f- #define E2PROM_CMD_READ 1* S/ z; X5 u7 d
- #define E2PROM_CMD_WRITE 2
8 V6 T' {4 P" t0 v5 K4 B% l - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" i! t- C; b q t' ?$ ~; z" _
" a# i" I7 H) g" p% e5 Y- static int readparam(unsigned char *mac, unsigned char *stbid)+ H& {/ i% c1 g5 i3 H1 j1 R/ L- ]
- {
& r! j0 T' w6 y, l - int fd, ret;! n. D# ~3 C, ^# P* ^2 T2 G
- e2prom_s_cmd arg;
5 ]6 H. z: w7 J; b - unsigned char buf[0x18];
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6 _( W. r6 ]6 [ }9 [/ [/ [9 @- fd = open(E2PROM_DEVICE, O_RDWR);
5 u/ {. H2 g( v8 ?/ [ - if (fd < 0) {( N# X; v: T$ O1 r& |8 g
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 E2 l% v U- X/ j+ w* j - return -1;
6 N2 s# _: U# C0 z0 P V - }
2 d+ O: ]" L! Q/ r$ ? - arg.sub_addr_count = 2;
) y9 m2 J8 N$ Q9 T# b( b0 S) L - arg.data_count = 0x18;* d3 u; w% B9 L! l* B
- arg.e2prom_cmd_sub_addr = 0x290;% U. Y4 p( V. q( U1 ^7 U
- arg.e2prom_cmd_data = buf;6 @$ \/ m( W* x7 ], _. `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, [$ Q! w/ T& a0 y - if (ret != 0) {3 W7 k1 c! r$ ^& B
- printf("Device %s read error.\n", E2PROM_DEVICE);) D) x1 o x0 O2 L5 T
- return -1;, ^ f: N5 |8 ]% s' n
- }
6 c8 V1 R+ d; H# ~! j- g; l4 z5 ^ - memcpy(mac, buf, 6);
$ h& O2 J* o8 X6 I! e% G! B8 n - memcpy(stbid, &buf[6], 18);
6 z2 r# X5 y: u - stbid[18] = '\0';
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1 g5 I# _/ X4 G/ E: Y& T$ z6 Q6 o- return 0;) @4 e0 V$ z( B7 }
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- ' C5 \" B; }# U5 h! K
- static int writeparam(unsigned char *mac, unsigned char *stbid)' _2 \$ d9 `1 X3 g c6 V6 w
- {
6 C* W3 B) {8 w+ W: d. C - int fd, ret;
" S3 Q6 K; H$ D" p - e2prom_s_cmd arg;
( m j6 \% M( H+ P+ q - unsigned char buf[0x18];* }& X- T* P& A9 z3 U6 [
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- memcpy(buf, mac, 6);" m2 c- P# {6 h0 d3 {; k" K8 Q
- memcpy(&buf[6], stbid, 18);
: H& {. J1 }# E! |* R - fd = open(E2PROM_DEVICE, O_RDWR);
2 x/ X9 q2 B# y$ K Y7 U: A) ? - if (fd < 0) {- M% F' Z: v9 h/ z3 z
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 p+ R8 M% N/ y3 h8 i - return -1;; ^. W* h# F4 p
- }) l8 q0 a7 h) X5 r- P
- arg.sub_addr_count = 2;" x0 k) h* j- g- H8 ^$ Z" p
- arg.data_count = 0x18;
! H. d: S: H: O7 G+ y6 V; h2 f( T - arg.e2prom_cmd_sub_addr = 0x290;4 L: {/ A$ `9 w" O
- arg.e2prom_cmd_data = buf;0 K$ C& E3 x: C# {3 W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" b' `6 @1 ]6 t2 u, I; J
- if (ret != 0) {
: R: Z% |# v" n+ z3 `4 c$ ?& R - printf("Device %s write error.\n", E2PROM_DEVICE);: v8 ?& B% K9 M. Q$ p' J5 @
- return -1;- O9 L. V7 J7 n
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- return 0;3 S6 S$ f1 j9 C7 M+ P3 u `
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, K" i) q; V2 L- int main()
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- char c;- X, ?1 ]+ t$ i( F& H9 P1 y0 }1 y
- int i, macs[6];0 D+ x2 P" }! [- [$ H: V) E4 {
- unsigned char mac[6];
% g$ e# N1 J, v. W- c: } - unsigned char stbid[256];
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- O/ G Q( i5 s# c' M8 |" {- if (readparam(mac, stbid) < 0)# s9 C5 c; ~4 h6 B2 a2 C
- return 1;
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- printf("Current parameters: \n");
$ a% F9 b' z% h3 a, _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
?# j0 C( U! o2 n. ` - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 _" k. x1 P* J1 ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 `3 k* r8 j% Y3 v+ u9 h7 ~; C - printf("Input MAC error\n");$ v" X* a5 q" T
- return 1;1 l+ @$ _) |- `( t# { c
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- for (i=0; i<6; i++)mac[i] = macs[i];, x8 Q5 p1 {9 Y) r/ N0 ]
- printf("\nPlease input new STBID: ");4 O" s8 |$ s' h; C) h8 H
- scanf("%s", stbid);* q3 x7 G9 m2 _/ P6 M3 k
- if (strlen(stbid) != 18) {5 A1 J# u& h( @
- printf("Invalid stbid\n");. ~" N9 Q6 e( l0 O
- return 1;
6 H1 |" O4 q; T2 \5 v! p% \: H5 D- L2 P - }
$ B8 j" b; |6 a3 @ - printf("\nNew parameters: \n");
& f" C" f" d5 d- n* y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 v" W+ s$ f1 a9 M) T. I - printf(" STBID: %s\n", stbid);
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& {! T6 ^! b# F" b1 l( T- printf("\nDo you want to change paramemters? (y/N) ");9 F) p9 d$ e8 H# I
- for (;;) {
; J( N( s0 W4 Q9 p - c = getchar();) o7 w/ t+ S" @- W9 U* E2 a
- if (c == 'y' || c == 'Y')
4 n9 Y u( m+ W% o2 u - break;1 F% L* Q. t- a/ U2 E( ~
- if (c == 'n' || c == 'N') {
9 L" z" k* a; n$ a% @# k - printf("\nAborted.\n");
; r2 N! F! @) T7 d- r4 J - return 1;/ q! Q# D9 f: u7 k" i% }3 j5 |
- }
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- if (writeparam(mac, stbid) == 0)
) Y- a w# v0 S/ |' n6 Y1 z - printf("Parameters changed.\n");( y1 F$ g* w7 ? z) R# Z
. N/ Y% Q$ k" }+ [- return 0;% g* a: D0 f6 a. j3 D
- }
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