本帖最后由 0522 于 2012-3-21 23:04 编辑 + u1 }" I8 J/ g, n0 d& c
4 S7 g* ^4 N8 Y5 V$ f+ W修改的代码早有了。到今天不会编译。
! z) u7 F& b1 E, `5 z; z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 c5 r" W+ M8 q: k' H. K - #include <malloc.h>
9 A! q% Z1 p& S* E7 K - #include <sys/types.h>% F6 x9 x9 Q0 [
- #include <sys/stat.h>
" X' L8 C) r/ E% A6 b - #include <sys/ioctl.h>
3 T' y* |; Z1 j: i& O* }" @8 A/ r - #include <stdio.h>
2 o/ y7 Z9 e! H: @ k - #include <string.h>
# C" z/ I0 h# m
2 y; t$ e1 k: u- typedef struct {( A( s7 d7 I6 N% c' h: H
- unsigned int e2prom_cmd_sub_addr;
4 V" p( j& V7 O0 B) v - unsigned int sub_addr_count;
% ?% [6 P/ g* E - unsigned char* e2prom_cmd_data;5 J8 M9 a" I9 g. S( Y8 h
- unsigned int data_count;
% J! e+ c; o! o, R! w - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1; M+ q k U, j9 x2 \
- #define E2PROM_CMD_WRITE 2. B) U2 J2 E0 ^. `) P
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 k' z) y4 l# @! _
7 Y* g5 H; i9 r8 J4 l+ \; B! c ^- static int readparam(unsigned char *mac, unsigned char *stbid)
& q- ]4 V9 ]! q' Q% t - {
1 F7 | |9 z: Y: B9 i. g( N - int fd, ret;# W% {+ B7 M) J$ J) n
- e2prom_s_cmd arg;* a. h/ }( r- P$ C, ]
- unsigned char buf[0x18];# ^ [) V; Z, Q3 u: ]. {9 ^: P
6 W9 D H0 ~- R: z- fd = open(E2PROM_DEVICE, O_RDWR);' D0 `+ w- c' J. O
- if (fd < 0) {
7 M3 N9 k& D( [- E - printf("Device %s open error.\n", E2PROM_DEVICE);& ^9 g" J8 m7 K' H4 J
- return -1;: K) P( {' Z- |
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- arg.sub_addr_count = 2;
+ O: b! C3 @) _ - arg.data_count = 0x18;
* N% z) v7 B: t0 q- }& j - arg.e2prom_cmd_sub_addr = 0x290;
8 k/ Y9 P; n7 _! {* n6 L - arg.e2prom_cmd_data = buf;0 ?- ~) X9 y. {, \% h5 I* {
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);; N- ~* f- M7 G9 p' k9 J' d
- if (ret != 0) { y4 R- z( s0 m) {& H3 L
- printf("Device %s read error.\n", E2PROM_DEVICE);- w2 g' _( ~" Q0 j# T) x, M1 l
- return -1;
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- memcpy(mac, buf, 6);
! E* _- Y- B+ M - memcpy(stbid, &buf[6], 18);6 H% \6 ~ j# m2 M
- stbid[18] = '\0';/ L: i; _5 p9 L K, n# P& \- Y
- 2 _7 h' h9 Z0 F- G
- return 0;
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- ) A) a% N* S7 r( M
- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 I1 ^. o) m5 e1 j" f9 n - {
w6 \9 X6 }8 y8 o* `2 E - int fd, ret;( K6 @ y H) ]! {4 e: Z) @
- e2prom_s_cmd arg;5 q2 [. w& E4 Z1 I
- unsigned char buf[0x18];
* ^# G( A+ p$ {$ G) Y - . \1 i, T; I& ~% S7 U; l, ?8 @3 O: d
- memcpy(buf, mac, 6);
0 ?0 w, B3 p. m9 c; L" s5 N4 _, O9 v - memcpy(&buf[6], stbid, 18);9 _+ M6 m# z/ C8 H/ o/ _, q
- fd = open(E2PROM_DEVICE, O_RDWR);. N& b4 i" }/ z
- if (fd < 0) {
# L/ c# q. T9 l9 }! s - printf("Device %s open error.\n", E2PROM_DEVICE);
: w, p. B( k( g- G) j$ f0 {, O& o - return -1;+ a! V1 ~: y/ I; f- I; p7 C9 E
- }
) ^5 q, J" \! S! G - arg.sub_addr_count = 2;
' N! R- t% v1 w$ h0 R' N, P - arg.data_count = 0x18;
4 |6 M+ b8 a1 G - arg.e2prom_cmd_sub_addr = 0x290;+ ?) A# l2 k" L' |( ]
- arg.e2prom_cmd_data = buf;1 H0 v0 {1 C* ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" s: m$ @0 {' M/ I* J6 g! N7 Z& _ - if (ret != 0) {$ s6 W; Q/ Q1 c' X$ G
- printf("Device %s write error.\n", E2PROM_DEVICE);
: g( {7 d- I& f6 O" i - return -1;) ^: w0 P# v8 l5 _$ d" P5 J% }
- }! U0 Z8 K+ q8 `
- * g3 k, p% d8 ~; l3 R* U7 \
- return 0;
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# e* q* c+ ]5 r( G- int main()
& s p: @' f, m, s0 B3 H - {
- N) ^" @5 g5 ^, ~3 h& B - char c;
% {, n ]$ v1 p" P y - int i, macs[6];: M1 O* F3 c3 s* Z: T' d& y) j
- unsigned char mac[6];
- M) [6 I# _, z. Q- L" m - unsigned char stbid[256];
7 `1 L% i. d( C6 _" ^
. n, l! a( n7 v0 ? \+ \- if (readparam(mac, stbid) < 0)
+ \& p% P/ E" a( {6 z! s9 J# A - return 1;5 V/ S! ]* `. a8 U7 A
# s* I, W0 c9 {8 k7 n- printf("Current parameters: \n");
( L# A j, F6 X7 x, O" g. ?" @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ D- b' ]' K2 @/ u) n5 ^ - printf(" STBID: %s\n", stbid);
0 |$ x+ L! ^$ h4 g2 ~9 P9 a -
% H3 p" [, e1 ]# q9 h - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 J+ d0 H' M2 k; \2 G1 b6 [: T
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 {4 G: H$ L# G; W9 N. M - printf("Input MAC error\n");' h3 k" ?) | Y
- return 1;' I& y& F7 `. b' F& d2 h9 P! i4 k
- }- r) e; f- j6 N( q# ^ T4 [3 Y1 W
- for (i=0; i<6; i++)mac[i] = macs[i];8 G j, G* W6 _5 l1 s
- printf("\nPlease input new STBID: ");6 N) J; [! p1 M7 |* }6 [2 ^
- scanf("%s", stbid);- X e7 M k, j8 `; z- ^7 W v* T3 M: Q
- if (strlen(stbid) != 18) {
6 R# S' ^, U% C - printf("Invalid stbid\n");0 e' \" x' d) m0 i/ d, j
- return 1;
6 d9 }3 E! L- O2 h, m - }
& ?: r2 I) D" X, U - printf("\nNew parameters: \n");
: d! x* E9 L* R" Y1 p3 [: i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 Y3 e2 a% K A! E. X6 \% [5 { - printf(" STBID: %s\n", stbid);, b+ r9 H, H( R( t( A. X
- 6 v$ @2 F/ s; n" O0 C" W
- printf("\nDo you want to change paramemters? (y/N) ");
, M: r' h" J, }0 c% V- ?* U8 J - for (;;) {
7 M6 K* w# y- V9 W$ {- b - c = getchar();3 P- S0 U& G; S' \! H& t
- if (c == 'y' || c == 'Y')
# s8 `+ h! p2 F! Z% ] - break;3 G! P* r, b$ v- T. a
- if (c == 'n' || c == 'N') {
- E5 W, F/ ]; I4 s" y - printf("\nAborted.\n");2 G2 M5 B4 z) l4 v# G* V5 v3 r
- return 1;) Q _2 B9 n# O, s! ]- n
- }
5 `6 y# a, v$ t - }
% {% T+ t6 T! V7 [2 O - if (writeparam(mac, stbid) == 0) , y0 x/ w- n9 j) T3 O: Z
- printf("Parameters changed.\n");0 @. n b, [- v9 j
2 }, {- {1 d) k- G( B9 N: Z- return 0;6 ]* |" |' P5 {
- }
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