本帖最后由 0522 于 2012-3-21 23:04 编辑 : u! F4 d, p. ~5 e
. z- B1 D3 k! i- t4 c& f修改的代码早有了。到今天不会编译。- l2 m! R z$ `0 C, E3 [
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: m, ]: Y" T$ _8 |* S - #include <malloc.h>
7 T' ^' b0 ], s$ v( w: @% j - #include <sys/types.h>, A: e/ x) Q0 v' j4 f
- #include <sys/stat.h>
; U& \5 M- ^6 c+ L5 b l2 R4 I - #include <sys/ioctl.h>
( a2 d: Z; I* c' P& @: |' ?* m - #include <stdio.h>
0 S2 p/ P i/ L" c$ S - #include <string.h>
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+ V7 Y; _! e s* t+ y j$ V- typedef struct {
/ v; Z0 u& V& v5 z6 [ - unsigned int e2prom_cmd_sub_addr;
+ }% Q# h P5 { - unsigned int sub_addr_count;
9 ~7 Y0 U8 F! ?" N5 G0 ~ - unsigned char* e2prom_cmd_data;* \( U" K5 E( G% I
- unsigned int data_count;$ M9 T9 G X- T5 ^8 `2 N* H
- } e2prom_s_cmd;7 n; ?/ s$ P5 `7 X* P5 t @: X0 t9 J
+ O# g7 I+ Q9 h0 n1 _- #define E2PROM_CMD_READ 1
1 a+ f' s9 }4 g$ R% W- _" o - #define E2PROM_CMD_WRITE 29 u% \' c2 I0 c+ {4 X) n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% ?3 K6 p4 _: Q/ v0 C9 k- o
( G1 ]7 V6 z) P2 O5 Y# |- static int readparam(unsigned char *mac, unsigned char *stbid)2 F/ C! C8 Y8 d% x k
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- int fd, ret;( ? U/ e* M; s9 s2 ~
- e2prom_s_cmd arg;
$ x2 O4 Y* F1 {; j- B9 c - unsigned char buf[0x18];& G! B) `1 Z' p* e3 @, A8 K
6 d7 D* F+ v) e f" M: }. i# K9 B- fd = open(E2PROM_DEVICE, O_RDWR);$ j G( q5 Q T" C
- if (fd < 0) {
, B5 s) D" Z% {3 }) [, x6 j - printf("Device %s open error.\n", E2PROM_DEVICE);
' \1 |3 E3 K1 m/ r1 K: W - return -1;$ ]: J. X3 v3 Y, b0 P4 r2 f
- }
, l Z/ H( b& z) ?$ a% S: g# I5 `3 A - arg.sub_addr_count = 2;8 b$ `! B0 v9 S6 ~$ ^: n( ^
- arg.data_count = 0x18;$ P+ {( \% V ^" E7 J3 H0 f4 l
- arg.e2prom_cmd_sub_addr = 0x290;
6 R7 V l4 A4 W k$ e; w - arg.e2prom_cmd_data = buf;
g1 H( G, p4 L, }: R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% ?# j# u& Y& d6 y - if (ret != 0) {7 R) g7 U2 D2 X- w1 j. l
- printf("Device %s read error.\n", E2PROM_DEVICE);5 R! W5 U. w& r: T5 ~/ w1 Y0 t6 q
- return -1;; p8 |7 ?8 G" @, M1 q1 `
- }* w* h y& C8 y' Q9 f) ?
- memcpy(mac, buf, 6);
. L! H1 k4 p! y; C$ M1 Z - memcpy(stbid, &buf[6], 18);; ^* O6 {! W, }4 W/ V8 A# h* c
- stbid[18] = '\0';
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/ @" P" } b+ z3 U+ A+ v; w9 U: @- return 0;4 p. U$ i. e% a& M
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ {: l1 n6 {" \, U# N" ~ - {' z+ Q( e O0 b: ~3 b8 k" P
- int fd, ret;
8 c- C+ H2 O6 P1 e! [3 [3 u - e2prom_s_cmd arg;
1 d, M& i, u7 e+ b - unsigned char buf[0x18];
2 G5 }+ @" [* O, U* s
& ~' \/ d4 g. r- l) {- memcpy(buf, mac, 6);
: B* n; c5 F# @+ D1 u - memcpy(&buf[6], stbid, 18);6 |3 p2 N, d3 y: \6 u+ q
- fd = open(E2PROM_DEVICE, O_RDWR);
) b: Y* a6 R; E% G' b t" C - if (fd < 0) {
h8 E v! \0 _ - printf("Device %s open error.\n", E2PROM_DEVICE);8 v) O$ j0 C- Z( \9 w
- return -1;7 i E$ g5 g0 m# ]/ Y/ h
- }
) O2 ^9 Z6 ]+ V' @/ l - arg.sub_addr_count = 2;" o! v" C0 ~# S" l) F
- arg.data_count = 0x18;3 f+ O `3 T ~: F
- arg.e2prom_cmd_sub_addr = 0x290;$ ]. i; T, a5 R' [, z
- arg.e2prom_cmd_data = buf;
4 i$ @+ {9 R1 K, j, J! ` - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# ^) V7 _: I2 v; C8 w4 Y# f
- if (ret != 0) {' ?# `9 ^" H& A: p+ C# h$ C$ R
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 C' q6 A0 O$ w - return -1;
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- return 0;3 e3 j' B7 F& h; q+ R% g
- }
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; y7 V1 Q; G+ x3 b: l+ Q+ A- int main()
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- char c;
7 P5 E! E8 q' j4 f( l% g - int i, macs[6];' L4 h; q* ?7 w: t' r/ V
- unsigned char mac[6];
" S# \+ s; c& m- w2 _( P2 a( o - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
; A/ K6 ?" x4 C/ W) y - return 1;
: O1 F4 C' @; c4 V - 8 L! Y, q( U$ J Q- e% {
- printf("Current parameters: \n");4 w& ]; l+ ~. t e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# W V1 t! d* N" j5 w - printf(" STBID: %s\n", stbid);/ E. l" I& p: g" Y& Q! u7 X8 `
- ) N) }2 g7 C. S' A" \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* M/ F% F* F& u* j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 @7 I$ P8 r6 l# I# l) R* B
- printf("Input MAC error\n");
; u. \* P) E6 ?( m2 ^ U - return 1;
+ X3 o2 J5 H, q5 V - }
0 \( G7 ]4 v! `! ^9 u - for (i=0; i<6; i++)mac[i] = macs[i];
; M0 x/ _$ Z/ ]- r( ~! ^$ G - printf("\nPlease input new STBID: ");* a- I+ n$ p7 E# ?; M* D! j
- scanf("%s", stbid);* G2 l' N' \& M; f
- if (strlen(stbid) != 18) {
6 M* E9 ?; c! z: k% Y, }- x - printf("Invalid stbid\n");% Y+ {) f3 V" N7 g0 F; I8 C
- return 1;, @3 E; K- v4 h/ W5 F/ M j0 u
- }
5 s4 R6 d( S) S) Y6 ~, C - printf("\nNew parameters: \n");$ C- K1 e+ a5 D3 g/ f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& N" b) x4 Z. b' b, d9 w - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");; q, Z, A/ N% k ^3 r& @
- for (;;) {
: {: G! q8 a- x2 B [7 M/ W - c = getchar();
3 H; q" V+ Z; X0 y - if (c == 'y' || c == 'Y'): |2 D* m) p: V) T7 x
- break;+ I( ~" \6 X5 J& C
- if (c == 'n' || c == 'N') { d9 b) G: B, P$ Q0 Q1 }9 k
- printf("\nAborted.\n");
6 z+ v4 H' N* z - return 1;3 U3 s) }( ?% J0 C3 _, }$ s |
- }
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- if (writeparam(mac, stbid) == 0) ' O! x7 o/ ^5 E
- printf("Parameters changed.\n");
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- return 0;
8 Y7 `8 J- M! c* r - }
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