本帖最后由 0522 于 2012-3-21 23:04 编辑 2 [+ h7 a3 n( h) \' d
! s2 t- r7 @' D' R$ J$ O" a
修改的代码早有了。到今天不会编译。
4 J4 a. c1 l& ?需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; t- j6 B" a1 g& k9 ` - #include <malloc.h>
$ W& y1 f& S4 }4 _6 g - #include <sys/types.h> z7 n# ~; \. I" \% t- h
- #include <sys/stat.h>& ?* ]1 Y5 N1 f
- #include <sys/ioctl.h>+ @# l0 {$ g8 A6 C
- #include <stdio.h>& ~; u0 q' m9 Z+ h; z5 x3 ]& N
- #include <string.h>% N0 N7 K" m/ ?3 h$ B
" S" ~5 n U# B; v' l9 x5 j- typedef struct {
$ s3 t% y. D) X - unsigned int e2prom_cmd_sub_addr;
/ h; F; O2 p! B9 h# o( k - unsigned int sub_addr_count;: u" n9 @& e4 a: Y6 x1 f6 L
- unsigned char* e2prom_cmd_data;
% u& N3 r7 A1 X! i5 o - unsigned int data_count;% K# A+ {9 {9 g
- } e2prom_s_cmd;) d6 ~4 o/ o& E$ F& _
- ! }+ c8 n2 \0 J; X
- #define E2PROM_CMD_READ 1 j: M7 V4 x* x- k! g
- #define E2PROM_CMD_WRITE 2
5 x/ ?: }1 i3 I) f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& Z [8 ~% R6 x/ }6 R" L: A& u
8 s' w2 j, z$ I& W' n9 [- static int readparam(unsigned char *mac, unsigned char *stbid)
z0 o! D! A- ]& ^$ ~2 H - {
& q; }- n' }( Z! [& ^3 B - int fd, ret;
4 o% B9 H2 s% C - e2prom_s_cmd arg; v5 \% o7 _; X& @9 T
- unsigned char buf[0x18];) ?5 b' D+ F. M% Y! ]
' `1 w& |" E( }7 ^" b% \/ a- fd = open(E2PROM_DEVICE, O_RDWR);9 O: w( ~, a6 S0 i+ b- B2 H0 R6 N
- if (fd < 0) {
# j {9 [3 w/ ]8 Q - printf("Device %s open error.\n", E2PROM_DEVICE);
+ K% \8 v h4 Y1 r - return -1;
" q8 }/ g y/ ]" W8 z3 t - }. ?' x/ @+ }2 z5 x7 q
- arg.sub_addr_count = 2;
L6 D) W/ a1 E5 q6 n6 f* a - arg.data_count = 0x18;8 R8 ^- B s1 u$ }
- arg.e2prom_cmd_sub_addr = 0x290;, A0 v1 g" J5 O$ \( Q+ o: j/ f. J
- arg.e2prom_cmd_data = buf;' P& e) c3 U0 U _9 O( l2 {
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ z4 J7 L* ~& p6 S0 V4 W - if (ret != 0) {
6 j. K3 p2 Y! w - printf("Device %s read error.\n", E2PROM_DEVICE);
! }+ I0 l' P6 T1 ], h - return -1;* Z- `& k+ f) I9 j
- }7 f' g# O; q5 T+ z# K( A# n
- memcpy(mac, buf, 6);
$ h. P! z0 ]! {- b' R( q+ N K - memcpy(stbid, &buf[6], 18);
6 [) y# l' S0 x, E& g - stbid[18] = '\0';, Z) f4 j# O1 D" P5 H# q9 H$ A& Y
- $ \6 X3 r# d' q5 b/ N, X
- return 0;+ ?$ F% t0 E1 l; Q
- }
4 ^# W7 P$ ^6 f6 A& T+ g - 4 f/ Y4 j" r/ p. S J8 L! r5 D
- static int writeparam(unsigned char *mac, unsigned char *stbid)* R$ \, l' \2 x2 M' d: I2 W# V D
- {% T1 N* F, h, D, _
- int fd, ret;/ [6 }' O) u: v2 C
- e2prom_s_cmd arg;3 h4 k2 L" ?! g; H" O8 |$ o! ?; w
- unsigned char buf[0x18];
$ S9 N& n ]0 M" |1 s - 8 B# Z1 L I& P
- memcpy(buf, mac, 6);
: U# k) r4 q( c2 f& L% m' N _' @ - memcpy(&buf[6], stbid, 18);
( b1 ^( K% i; D4 C1 U' \3 V4 H - fd = open(E2PROM_DEVICE, O_RDWR);2 Z; E9 f" }/ W
- if (fd < 0) {
- K" R3 [8 ]% b. g3 W% ?7 u - printf("Device %s open error.\n", E2PROM_DEVICE);
0 P. `! c) E% P! A& T& c% l$ ~ - return -1;5 R% D, Z: o3 p0 T: a3 d2 Z0 a' J# i
- }
/ \4 z) K+ s: d2 x. q5 { - arg.sub_addr_count = 2;2 k* b y- B) s* `
- arg.data_count = 0x18;1 T, v/ B5 z3 | f% H) Q
- arg.e2prom_cmd_sub_addr = 0x290;
" }: [1 ^( T% d - arg.e2prom_cmd_data = buf;
/ J" m$ i1 Q E% a _# P R9 C1 E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 ?8 d( `( Z( v) [6 w7 j+ w: }5 ~ - if (ret != 0) {( @: K. R5 S8 @; S
- printf("Device %s write error.\n", E2PROM_DEVICE);, q7 D" T; F7 z- h
- return -1;
, \4 z6 ]1 b# U) C - }' o) T8 v# C- o) j& q& m
l, n. g3 C6 @4 S4 c- return 0;: Y; i6 E5 Y; x' Q
- }+ d* O' |6 \+ b/ W9 h& `
- & t) x5 s) E; p& y( ?5 L+ a; j
- int main()9 Y' ~' m! V+ Z5 h
- {) u3 l \; t- u, J
- char c;
& l0 W U [$ ]% k/ W& W& |8 F - int i, macs[6];/ Q# a, W8 W, k
- unsigned char mac[6];
* }9 \5 J3 O* T - unsigned char stbid[256];
' o$ U9 S1 [/ O# `% ?3 ^2 m6 N- K* ^
1 D1 X' D' r8 W1 S! N- if (readparam(mac, stbid) < 0)& _4 M& ^/ ~7 c" P# }: o0 n
- return 1;
! d2 i9 q3 Z+ ]1 U. m$ w8 K% N - 3 T# N* Q5 C' j; B
- printf("Current parameters: \n");& K# X/ T" b+ T: Z7 x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; g: c* l! W9 j9 y1 {, `0 X
- printf(" STBID: %s\n", stbid);
1 E( K" C* x; p4 q -
+ Y; S& e V, S4 V3 F2 I- J - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 a! _5 r, ]1 x" n+ X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# x2 M, _' S# \6 \. X6 d+ ^$ c# e$ B - printf("Input MAC error\n");
; O! f0 M4 J2 a) a6 x. R - return 1;' o# o8 n8 P3 U- w/ @# p e) l- [8 n) ~
- }
' n8 ~9 w& d" {& D - for (i=0; i<6; i++)mac[i] = macs[i];
/ Q4 K% L0 a9 {/ N( E' w7 M5 K - printf("\nPlease input new STBID: ");* r3 W# O. d' _
- scanf("%s", stbid);- G G2 _# q. o/ H5 f$ d; _$ I
- if (strlen(stbid) != 18) {, c. X1 S, \" _; g. y* C
- printf("Invalid stbid\n");& L6 i9 A- q/ o) [
- return 1;
( q4 l& _+ C8 A/ X% a+ ^, s - }
2 J; U8 X- ^. F# |5 I9 H - printf("\nNew parameters: \n");2 s9 x4 x# n1 W9 \! w2 ~- h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: ]- j- O# p: i/ y1 a' a; x. U* S - printf(" STBID: %s\n", stbid);( h7 |$ T8 I( c' F- }- n3 b
- , d( w( J% ?$ A% f
- printf("\nDo you want to change paramemters? (y/N) ");
2 ^$ a. j- `: h, x) I% k# o - for (;;) {$ E, p4 i% J# B2 g5 W
- c = getchar();
7 E! w- `, _2 a8 v - if (c == 'y' || c == 'Y')5 w: C8 m$ N. O" h
- break;
' g/ [9 d5 ]5 T) x P( I - if (c == 'n' || c == 'N') {
! P m/ G t: j4 V" `- }4 X- v - printf("\nAborted.\n");
" Y, t4 l$ b7 C( G% K0 i% n3 j; }. v - return 1;. m4 y% Y: \! h, j3 e; g
- }
u" U4 Q$ t3 C0 b' n8 q# ` - }5 z% u! e4 A+ H `6 [/ Z
- if (writeparam(mac, stbid) == 0) / y) g" T) M7 i# U& K
- printf("Parameters changed.\n");
, s' \( h# n( M/ N: R/ l
! [. Z( D, S$ J: _; Q* R- return 0;
; [! B. O( G/ o5 m- [ - }
复制代码 |