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。
/ r! U" T& z6 R5 R, m/ m需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; I" V2 v) N" u8 u
- #include <malloc.h>
7 `5 F6 J) P$ j. a2 k - #include <sys/types.h>% d$ m, m& n5 r: a, T, x
- #include <sys/stat.h>
$ I* v+ n, a) W- Q8 ^9 n u+ O+ Y - #include <sys/ioctl.h>
) [3 G: L7 L$ r* q" x - #include <stdio.h>
5 c" t# N" W# C - #include <string.h>
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& p5 ~: ^* j# P1 `5 t& d$ l5 J1 N- typedef struct {: \ o+ t5 `/ \( m6 F; c3 `4 i% I( a
- unsigned int e2prom_cmd_sub_addr;/ h7 Q S9 [& E- P) _0 q
- unsigned int sub_addr_count;8 J* e, J9 c! v0 e1 E0 c+ B
- unsigned char* e2prom_cmd_data;; Z4 K9 l# g7 k5 q) T, n) `* x; ^
- unsigned int data_count;
1 o: x" v. R: l1 N' _6 D - } e2prom_s_cmd;
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+ ]; d3 w$ x0 u) \% E5 |$ N2 K- #define E2PROM_CMD_READ 1
% G! K) n& u2 [# x4 a - #define E2PROM_CMD_WRITE 2- d: Q' {/ h! l0 ]4 [' G- D! R
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 r; a; Y% \* ]3 ?/ {: X: A
- . j) ~. D+ G: Z! d% i8 m# f: L
- static int readparam(unsigned char *mac, unsigned char *stbid)- o" U; ~- d* A4 p+ K0 z9 x: r
- {
5 |$ Q5 G: s( [# H+ @" s - int fd, ret;
% m8 x( B9 E) m7 U# E3 C - e2prom_s_cmd arg;+ Y9 z# b9 z3 M7 b: ?8 t" L2 {
- unsigned char buf[0x18];
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/ c8 |, K8 i" A8 H; T, s% ~6 ]( g- fd = open(E2PROM_DEVICE, O_RDWR);
" B t4 P) Z; y - if (fd < 0) {2 F2 d( B) Y9 ]! K0 x
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 u$ b% m" O6 o2 f' Z - return -1;4 b' _/ q; t9 _) T# u* q5 q4 p
- }4 O* p0 c9 l/ f( e
- arg.sub_addr_count = 2;
: F1 ?$ A$ ]3 q - arg.data_count = 0x18;
, |6 j) Q( {! P$ m - arg.e2prom_cmd_sub_addr = 0x290;
! }4 z( g( W9 S& ^! L/ U - arg.e2prom_cmd_data = buf;
' ]* p; d0 ~% h3 B: }& F - ret = ioctl(fd, E2PROM_CMD_READ, &arg); Y: g! d7 r U V- E$ |; J: s
- if (ret != 0) {3 g5 y9 q9 u% T6 i5 C. o6 p
- printf("Device %s read error.\n", E2PROM_DEVICE);! b& I1 C7 D. U! x" Y
- return -1;
, N, A3 q$ U4 M4 R( H- @8 s - }
& A% V7 O; E1 x# P j9 L - memcpy(mac, buf, 6);
d7 ~4 J; p+ y& {# U - memcpy(stbid, &buf[6], 18);( F7 g2 ]/ V+ i0 W! m& H
- stbid[18] = '\0';
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- return 0;$ w; D/ m2 s9 H+ S7 S# |
- }; r) U ?; I5 g, q7 |
- 0 [+ Z) Z3 R% `3 x
- static int writeparam(unsigned char *mac, unsigned char *stbid)3 i. t- [! I/ O& `0 H7 y4 m5 P( r
- {
! L" i; y/ ?6 u7 P1 R - int fd, ret;7 w3 c# x. [8 T* n1 g5 K( D8 m
- e2prom_s_cmd arg;
, g+ ~4 W7 M) N- A8 V: r | - unsigned char buf[0x18];
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, U. R' Q5 U8 Q% X* L- memcpy(buf, mac, 6);, E. _% c# @# I; q* v" ?" N
- memcpy(&buf[6], stbid, 18);
- {# q3 o) E1 J' v - fd = open(E2PROM_DEVICE, O_RDWR);- h# b$ l# {0 ?' {, S
- if (fd < 0) {/ P# T& F- @, S
- printf("Device %s open error.\n", E2PROM_DEVICE);2 H- M/ V$ v5 h
- return -1;' x8 l" i e+ r; B1 t8 Z; U8 }$ E
- }
1 n5 G; k: b% n& d - arg.sub_addr_count = 2;6 g. Z) z1 h% F H. q7 ]% H6 ?
- arg.data_count = 0x18;
- M3 N( z" N$ Y7 S - arg.e2prom_cmd_sub_addr = 0x290;+ h9 o0 d1 w# ~/ I8 M$ X5 I
- arg.e2prom_cmd_data = buf;( Y( a2 N( v2 E( W. Z# ?
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' t* Z0 u# S! v' p' q* d8 D8 V
- if (ret != 0) {
0 T! L8 q. L9 O - printf("Device %s write error.\n", E2PROM_DEVICE);2 W U/ W* @, _2 |
- return -1;
" W) @5 _$ B( S h: O- U) B3 U - }
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- return 0;
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- int main()2 V5 @' x, w& M6 \4 a( t9 [7 ?
- {
7 Q% e. J9 Q/ D/ U6 v: h - char c;( y' n4 h7 Z) V
- int i, macs[6];
4 W9 Y2 {; o- O - unsigned char mac[6];! J2 a: n+ v% u# C
- unsigned char stbid[256];7 D0 m( f! ?, h, t. w. s
- " ~% Z9 I9 V: j+ G* n
- if (readparam(mac, stbid) < 0)
3 F- ?( a/ u% e) z# d Y0 g - return 1;' A% h0 T" V c! E8 J
5 Z5 z% x" n) z9 e- printf("Current parameters: \n");+ L1 W& h5 H$ E! T1 Z1 R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ k! _5 ]+ O3 L. I/ F" |, g. }
- printf(" STBID: %s\n", stbid);
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3 |) B- _+ B7 q6 O4 S; f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
p/ p8 \0 H4 |' p2 J* |* m3 t& ]( { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 ?; ]( i' s. _
- printf("Input MAC error\n");' J, } C- a/ I$ k" o" W. D+ `. i9 E
- return 1;+ R9 E$ i$ f2 r+ N6 B
- }2 y" b( V1 W% g$ l7 y0 F/ {5 F
- for (i=0; i<6; i++)mac[i] = macs[i];7 S! }# w/ y' z4 F2 g
- printf("\nPlease input new STBID: ");
( o) l$ }6 A6 v8 A - scanf("%s", stbid);0 R% j* z: }$ F8 w: l0 X5 H3 {7 }6 Y
- if (strlen(stbid) != 18) {' C6 u- ~4 N- D- `/ z* g* J( @& }
- printf("Invalid stbid\n");5 N' f" c. x' A; J+ O3 W9 M; ?
- return 1;7 R) g; m5 q$ t, _
- }
5 l- g' [- ^ ? - printf("\nNew parameters: \n");$ V/ e, B/ P/ m5 s/ U: c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; i) I+ @, a8 l9 T/ P& L0 F
- printf(" STBID: %s\n", stbid);! {& l, U1 t; s* g( C+ ?2 G1 d: |
. m! y$ N* M7 h5 s# l( g. G- printf("\nDo you want to change paramemters? (y/N) ");
4 C Z# o% `% m' w! ^ - for (;;) {' @* G+ Y8 Y9 R$ X! d' t
- c = getchar();: E: L; Y, T' o8 E! j/ y
- if (c == 'y' || c == 'Y')
( l* L, Z$ W& g# z$ C6 N& b& D& p* P - break;* j) j# i+ a. Z
- if (c == 'n' || c == 'N') {" W1 ~1 D6 {: F+ H) {
- printf("\nAborted.\n");
! c& H- ?; O3 `2 `3 ^# L' s - return 1;+ N$ b$ \+ Q$ Q7 W1 a4 F
- }5 w& N" e1 `0 M& m* t+ i/ |8 T
- }
+ k5 X5 J/ T; x8 ]+ B+ c: s; q* T - if (writeparam(mac, stbid) == 0) ) _; q; b7 h& J2 C) m' c$ U5 p
- printf("Parameters changed.\n"); h0 k. E s. p6 N5 P1 Q
0 t( g- R8 K# c+ m3 Y7 w& ^- return 0;$ F R! v7 @1 z( ], u! _+ }- s
- }
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