本帖最后由 0522 于 2012-3-21 23:04 编辑 1 k5 r. w$ I) R3 Y" f- O& ]! h
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修改的代码早有了。到今天不会编译。
' R/ m6 N+ Z7 M# Z g& S3 U1 z/ ]: a需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 K! T! Y2 {5 \% h6 K; B - #include <malloc.h>
0 A4 d2 q* \ P% m1 G - #include <sys/types.h>- F" e9 Y# U" l
- #include <sys/stat.h>
, ~; Z3 [5 Y1 a - #include <sys/ioctl.h>
- w9 U8 c0 ]; ` - #include <stdio.h>4 x( Q, @" D+ }7 H, F' A3 R v
- #include <string.h>
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& X* h3 d9 {1 v7 H v; I- typedef struct {# j" u+ d" I1 ]4 Q4 |8 J6 ^0 l
- unsigned int e2prom_cmd_sub_addr; B7 ^" [& {( l3 V8 {9 k; u9 J. `& [
- unsigned int sub_addr_count;
$ X! W- N3 c: P) N- i - unsigned char* e2prom_cmd_data;" E c( e2 q+ n8 f
- unsigned int data_count;
) z: q: \6 \* b. ^0 l0 O - } e2prom_s_cmd;
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7 u, p1 x6 ~' C' m- #define E2PROM_CMD_READ 1
/ B$ D' @4 u3 f* d: ]5 r+ f6 r- q1 i - #define E2PROM_CMD_WRITE 2" g" P1 h/ ^! ?2 d8 _
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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& p$ Y# R& L0 z; i3 p; f: p: X- static int readparam(unsigned char *mac, unsigned char *stbid)' B& k1 h5 G4 L# z9 U# P/ x
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- int fd, ret;
, I$ M! N8 a1 Q - e2prom_s_cmd arg;0 P: {( r5 K2 }
- unsigned char buf[0x18];+ e* l' a# j5 j& i
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- fd = open(E2PROM_DEVICE, O_RDWR);
0 d6 n& J: V) J9 | - if (fd < 0) {+ b( e# \/ X+ s1 X
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 w& ? t7 G- Q: k) ~ - return -1;
/ }, E4 b0 t3 Z6 t* J n$ Z - }
+ J# V% u a! H1 ? l; ? - arg.sub_addr_count = 2;' {3 y2 P- o. O8 G6 B
- arg.data_count = 0x18;
% I0 L$ u9 L1 Q# {& O - arg.e2prom_cmd_sub_addr = 0x290;4 Y3 p2 {0 i8 ? c! b! B
- arg.e2prom_cmd_data = buf;+ i; `8 v/ W/ J& e" l
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);- I* N- Z" A: ?
- if (ret != 0) {+ Z2 z) f( L/ O, [- H
- printf("Device %s read error.\n", E2PROM_DEVICE);$ O5 e) c! b% M4 g
- return -1;5 `( K5 q9 E# r9 {/ m) G" v0 p
- }9 b& c# A6 K5 S: K" X
- memcpy(mac, buf, 6);# H% N/ c: B+ ?5 v- S6 K
- memcpy(stbid, &buf[6], 18);( a2 k2 L: A9 f; s
- stbid[18] = '\0';
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+ d& f% {: y/ X2 T: E9 E, ?- return 0;
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- + s, [* F5 m+ o' A" k
- static int writeparam(unsigned char *mac, unsigned char *stbid)+ J9 T T; M- v
- {
1 K: D; J6 L+ q# g - int fd, ret;
; ?# R; w2 C: K- K# I) F1 N - e2prom_s_cmd arg;
5 j& w: a; B2 u7 o - unsigned char buf[0x18];
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# a5 O' [9 ~% A7 j6 X$ |8 B; e- memcpy(buf, mac, 6);' ?, I6 S; w6 ]0 z/ E1 z N
- memcpy(&buf[6], stbid, 18);( W" x7 Y2 y0 G$ B# {% x- ^1 p4 Z: j
- fd = open(E2PROM_DEVICE, O_RDWR);
6 R( Q5 x+ q, g: h3 f' {' V; O5 | - if (fd < 0) {) ^* B* g. o+ @1 n8 @8 T
- printf("Device %s open error.\n", E2PROM_DEVICE);, Y7 Q% [3 b. a
- return -1;5 a+ _) h- g- y/ g6 m
- }
0 A+ G6 k6 M: D% n# E: O$ _( T* d - arg.sub_addr_count = 2;( T# {- b( C1 j* p! k9 x; n! R
- arg.data_count = 0x18;6 J9 R8 N/ ?8 U0 O5 m
- arg.e2prom_cmd_sub_addr = 0x290;7 E' R: z& ^& B4 ^
- arg.e2prom_cmd_data = buf;
) {" [% Z# D( Y# q1 L+ G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 {! ~( l% [0 S/ Q
- if (ret != 0) {
" x% V3 _$ f6 E8 u - printf("Device %s write error.\n", E2PROM_DEVICE);' l+ k9 Z/ L' x( `0 K* W
- return -1;9 n3 M1 r7 c* s+ T
- }
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- return 0;' e' x$ q' V {7 m9 I
- }
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: h9 p. ~1 F' g3 j# A7 o g- int main()# Z4 L( T \& @. a: }- y; v% i
- {
0 P0 t1 y% m6 ]) l! n0 C - char c;
# h$ s( |4 X1 N/ Y - int i, macs[6];, v4 d3 y& @3 e1 g( x8 ?6 V7 J i" U
- unsigned char mac[6];
& @* e+ c; Q8 z/ u4 P' E7 A - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
+ C( }5 P3 ^; s2 _4 X( f6 d& h - return 1;3 q. n e7 [% T. c
) V& F9 E: n: G- printf("Current parameters: \n");: b/ u! a5 e" A4 ]; i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% r1 ?4 {$ ~3 h! j
- printf(" STBID: %s\n", stbid); i7 a5 v8 c. T/ c0 l
- & a7 {! h/ J2 U0 F
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 |4 ^: s8 ^" r8 i* l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ O" O1 w* x5 D/ b; X* m+ `% U7 ?
- printf("Input MAC error\n");
5 y7 c% b/ Z% v3 H: ?8 f - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];9 e4 \: w* u7 c" u% @
- printf("\nPlease input new STBID: ");) M" Y4 ^2 M3 R$ D( j# p7 L- L
- scanf("%s", stbid);
' X; E+ v6 r7 f; i" E - if (strlen(stbid) != 18) {1 \( p8 p$ s: L/ G
- printf("Invalid stbid\n");( H4 d$ H* W9 h4 x
- return 1;
! v7 R8 S% O& Q; T: P - }
- ~2 S, L0 F* r' ?5 R; j5 V - printf("\nNew parameters: \n");' q, n. c$ q5 N& H. I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; a8 B; L0 h9 G7 H
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");, m2 w4 H9 g" o
- for (;;) {
, W5 ?( C/ h' t( M+ F - c = getchar();
" c- k& ?8 }( \8 B" m5 J$ _/ Y - if (c == 'y' || c == 'Y')
% C1 U( N1 x% w7 _3 C5 c - break;6 p r8 x/ x8 T3 \
- if (c == 'n' || c == 'N') {4 g8 X+ N" `% U$ `: C- |
- printf("\nAborted.\n");
+ `; z4 f- L1 Z) J1 J, _, k% D - return 1;8 q% h4 x( u: e2 j9 m
- }
3 w* q1 }2 Z% N( H; s - }
/ j; l( u Y! d; {) L) p7 e, J1 W - if (writeparam(mac, stbid) == 0)
" }! x+ ~! c- j' |0 G) P) q' z - printf("Parameters changed.\n");% A. s, l1 h/ g w! K* b- \
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- return 0;( r+ E+ Y" E, q# ]# X! j+ ^) b
- }
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