本帖最后由 0522 于 2012-3-21 23:04 编辑 6 L2 K: D4 `+ i" d7 e# }: M
: A+ r S% [) X0 {8 p修改的代码早有了。到今天不会编译。
$ a) ^( [" M- D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: t9 J8 ~6 b, X8 A; S
- #include <malloc.h>1 ^5 l! S J/ p5 v9 U
- #include <sys/types.h>8 u3 t* f: O2 W: e1 x3 I
- #include <sys/stat.h>
3 g! c! Y$ X% a& W0 m - #include <sys/ioctl.h>
/ g3 |7 _* }3 J4 D - #include <stdio.h>" B( \2 ^- j: N! Q3 d( C: O
- #include <string.h>
# f% D+ N7 ^/ \
. W' ~9 q% F8 A/ j; F6 _- typedef struct {
; E& V9 v2 Q7 ~5 b+ F - unsigned int e2prom_cmd_sub_addr;
& K7 T( X2 n1 Q+ G- A5 m - unsigned int sub_addr_count;
( f0 J! W# B' _0 a' L - unsigned char* e2prom_cmd_data;
5 @: e- W6 p/ `3 W - unsigned int data_count;. h8 E. z: w5 R9 u
- } e2prom_s_cmd;
* o. r0 B- y u7 N9 y- m* T5 ~
7 Q& p7 U# G! A, c9 Y- #define E2PROM_CMD_READ 1$ Y1 x! M# |+ M& ^! \
- #define E2PROM_CMD_WRITE 2* m2 F8 D- v' G8 @3 ~ [
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 I& U" L) i, r1 O; t( ~
- Y- W$ R* i6 t; B$ E0 Y- static int readparam(unsigned char *mac, unsigned char *stbid)
! L$ @/ r) X" N) R) e. \) V. J - {( j- A' _5 E E( J+ m) i$ k4 b) `
- int fd, ret;
/ p2 m( |6 O7 J# Y - e2prom_s_cmd arg;) C# Q! o( s* g. Y/ j' j
- unsigned char buf[0x18];4 n' u4 W- E3 V$ I6 E$ J! }
4 c8 [* d+ [* a- H0 h- fd = open(E2PROM_DEVICE, O_RDWR);: O" r5 f+ F( d$ \( h
- if (fd < 0) {& o7 t) U5 {* x7 b4 j* L$ k2 h. J
- printf("Device %s open error.\n", E2PROM_DEVICE);
& p! R9 g2 ~' A+ _. U6 R - return -1;
+ X! @& f9 f" ~2 v8 w; R9 w - }
3 ?* Y' i4 p w( P, n- ]2 j1 @' q! F - arg.sub_addr_count = 2;/ v, i1 r4 N8 s
- arg.data_count = 0x18;
/ H9 h; X7 e4 l( R* |2 j - arg.e2prom_cmd_sub_addr = 0x290;
" L1 t8 [3 L; c4 {! J - arg.e2prom_cmd_data = buf;
+ Z/ N# j2 w* }. J - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 D4 Y8 F: ~* b+ ^) R4 y - if (ret != 0) {% z+ G4 g) O/ H8 q9 u5 r+ Z
- printf("Device %s read error.\n", E2PROM_DEVICE);
* Y! v, A' @* u) j- s( I+ n - return -1;
4 B7 y8 p5 Y: D" I: ^+ s - }. C$ B. V( Z' ]8 Q5 n1 k
- memcpy(mac, buf, 6);" J2 a/ ~! h0 E/ l: g- v/ G$ N4 Y- |
- memcpy(stbid, &buf[6], 18);
3 A/ i: v M% |- r3 @2 `4 U - stbid[18] = '\0';! d, O; ?& A6 {. V7 ?
- / \0 M2 ^' I9 `' q. Q
- return 0;
5 f7 M3 a4 O: Q `) c - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)9 f, f }3 j" F: f$ {9 ~" |
- {. P# l9 J" p. z; ~$ M' C
- int fd, ret;
9 i) O2 s: \# F) E5 T$ r" z; G - e2prom_s_cmd arg;$ q9 _* e6 E |: K! J
- unsigned char buf[0x18];# \, _( l1 e" r
1 L* [5 P& d" W. N" n y- memcpy(buf, mac, 6);
/ S) G! m9 {, o, D1 r' M: m4 _' R - memcpy(&buf[6], stbid, 18);, c9 b* r% _: o [) D9 Y' K3 m% F
- fd = open(E2PROM_DEVICE, O_RDWR);1 A e1 N6 f) c! G4 p( E5 Z! P3 n
- if (fd < 0) {
! S, V# x! r9 B. m: t - printf("Device %s open error.\n", E2PROM_DEVICE);
' a; p1 i; D* b9 g - return -1;
) H6 X% M! N$ L/ z9 H- A7 ` - }
) `# J# k" J1 g* l- Q3 ^ - arg.sub_addr_count = 2;
9 R9 H4 B! d' F7 s4 c! h - arg.data_count = 0x18;
8 `3 \9 m) c/ N' {# E - arg.e2prom_cmd_sub_addr = 0x290;
4 h9 [* t7 u i8 t3 U. L9 P - arg.e2prom_cmd_data = buf;
7 y* S% N4 ~! h y" L - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ f4 I4 y# ~: F1 e4 K
- if (ret != 0) {
6 U: q, l/ T9 l5 S9 f* D - printf("Device %s write error.\n", E2PROM_DEVICE);
% ?! p. Q4 q' n1 U0 i# g& H q: a - return -1;4 f; O! U0 F7 r- U; [: E: Y1 o
- }
+ f$ S, F5 b2 @4 @+ M
" R& T# R+ _6 G# w6 f- return 0;! }. J1 d$ a4 y% d
- }2 L) J; n* C7 F# X. @ ~: V! e# k1 A4 b
- 4 Y' E# Y! |" V1 p0 P6 ~7 M$ C
- int main()3 \/ }: k6 e9 I
- {3 m' `6 S9 d5 b6 R$ N8 q
- char c;" f5 V% d3 w$ i" S
- int i, macs[6];" W* Q0 R- ?% g% a9 e+ u
- unsigned char mac[6];1 `5 e) S# G& ?) j7 B, q
- unsigned char stbid[256];
: l: ^6 Q: n2 _( Y) e% ]$ @; L% x - # S }1 T4 Q- U; O o( a
- if (readparam(mac, stbid) < 0)
+ }* j( ~8 G0 T/ f) S1 t# Y7 _; h - return 1;0 m! u& [ x9 y
- 9 q' y$ L! \; J
- printf("Current parameters: \n");
; ?; m( v$ d: _/ l- O) e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- \ Q3 T5 S- k0 m) j- x - printf(" STBID: %s\n", stbid);. S2 v9 d8 M& R3 I# u9 u
- " t8 J6 t# T4 X' r. M( c& y
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 }! r' k. x9 K* }, G* d( r$ E! H - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; u: [4 _/ d7 B+ R6 @& {0 G
- printf("Input MAC error\n");
0 P/ j# ]' r! o% s/ f5 ~% U* E - return 1;1 D" Y* O; S# w) q# F8 H m
- }
9 o; _5 u0 ]' n - for (i=0; i<6; i++)mac[i] = macs[i];
R- E8 \* k: l- k, W - printf("\nPlease input new STBID: ");: U( H7 ?9 s1 ?: b
- scanf("%s", stbid);
8 P' p# y6 J% q( z/ ]: q3 p" e7 r - if (strlen(stbid) != 18) {- F4 f4 T0 j) F! N
- printf("Invalid stbid\n");
1 v1 R; u: |6 e; _ - return 1;/ L* Z* g P) Q, @8 }
- }* V% y' U9 ]5 {
- printf("\nNew parameters: \n");9 I9 K8 Q, W. G# f* g- D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 M6 {2 E5 h% v' @3 l! D+ z8 ?
- printf(" STBID: %s\n", stbid);
( F9 m, A+ H- Y) p. I% f - 3 [0 e5 @# P" _$ p
- printf("\nDo you want to change paramemters? (y/N) ");
R* K% H: ?! Y3 l8 p, x1 W - for (;;) {
" d5 ^" u" Q: L. d3 \ - c = getchar();
: `, b: N n) ^; H0 _2 k - if (c == 'y' || c == 'Y')
7 M3 B* A3 o8 q# \3 { k) u1 m - break;6 V: o- g9 t; }" t; O' h9 k* D
- if (c == 'n' || c == 'N') {, N5 i1 }+ z' \' y, b z/ t4 K# `3 [
- printf("\nAborted.\n");
& x" S4 v9 G: V* N* X - return 1;* S* k5 x1 W$ P+ `% y7 K
- }7 M3 K8 U# J% I3 N$ g' z7 h* i" D5 B
- }
$ e' _( r* z- V# X9 R* H8 G. p - if (writeparam(mac, stbid) == 0)
' V+ ?, ]: T3 X; ^ - printf("Parameters changed.\n");
! o' I) ~6 U; }
+ ^$ M- t& E# K. `8 c( `$ P- return 0;
% E% S3 }! @. v: s2 J# p - }
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