本帖最后由 0522 于 2012-3-21 23:04 编辑 , n, Y8 y- l: }4 l
9 Y& h0 ~) P" P t1 q7 x/ r修改的代码早有了。到今天不会编译。
, ~ s# k% A0 k; \9 s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% V& H; O% i7 ~! \: i8 O
- #include <malloc.h>8 w, C2 ? F2 l- K4 X
- #include <sys/types.h>
7 q, r7 N3 \7 o2 B' _, Q/ @ p - #include <sys/stat.h>
' t7 o3 z: G& Q: N [8 _! e. u - #include <sys/ioctl.h>& ?6 s5 J% p8 x
- #include <stdio.h>& t8 I6 h# z; N
- #include <string.h>
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- typedef struct {
( n1 }. E4 z' s3 X' D5 }8 | - unsigned int e2prom_cmd_sub_addr;
, o4 `* w5 L* y2 L. y- z - unsigned int sub_addr_count;7 L9 B; o: B& n' O5 P: Y- z# S1 r# {
- unsigned char* e2prom_cmd_data;! I, R1 `6 s% L& `
- unsigned int data_count;4 {( J1 b3 W3 k; w3 I0 w- J% |
- } e2prom_s_cmd;, q+ I. X/ C4 v
2 ^. `7 d! `, @8 ]2 c/ Z: j3 E$ F- #define E2PROM_CMD_READ 1. C f2 k$ }5 a% `# J
- #define E2PROM_CMD_WRITE 2
/ m6 { T/ b* ]& L5 o4 `2 m: ~4 I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! L+ H2 y" v; {: h" ^
- 4 j( l8 e& ]% ?6 f- a: [
- static int readparam(unsigned char *mac, unsigned char *stbid)
& j9 O% s0 e6 D2 [ - {
8 E* ?: t4 n/ i7 V! K5 ~ - int fd, ret;& Z% y# h6 O/ z- y, Q
- e2prom_s_cmd arg;
1 n6 j0 k# N1 c# H6 D. J+ M - unsigned char buf[0x18];
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6 A6 i- {4 C1 W* H- M+ u- fd = open(E2PROM_DEVICE, O_RDWR);
9 u d& ], b. S- c - if (fd < 0) {! `7 X2 v n0 o* l# c2 M0 R. [
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 s$ Q3 R, ?9 R- p - return -1;6 v& @8 ` w! W7 ~# ]
- }7 N+ W( ^' p! M
- arg.sub_addr_count = 2;
5 {) k8 }3 A( H - arg.data_count = 0x18;* N5 \* d5 t9 z8 i
- arg.e2prom_cmd_sub_addr = 0x290;
" N+ l9 E4 C: X' ?, y" V! i$ ` - arg.e2prom_cmd_data = buf;6 p* X) b( s) d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ n) [3 f$ F# ^2 P8 M
- if (ret != 0) {) |! x" s" @% k2 G: E; i7 e
- printf("Device %s read error.\n", E2PROM_DEVICE);
. `1 W+ L" P7 I0 A5 @5 D - return -1;7 F A# e; p' V0 b' B/ q8 K# n1 b
- }
$ ] V* i/ O3 C* W0 E! F7 I8 w# n - memcpy(mac, buf, 6);. Q# M+ \6 T* O
- memcpy(stbid, &buf[6], 18);( k( K( o) Z( J5 A7 [5 Z# r
- stbid[18] = '\0';- {4 |+ [+ d b" f& ?8 Z+ \
" u4 |2 q8 r, n0 I# t. y- return 0;
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8 k5 N$ s$ _7 l- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 C* a Y+ u% v1 [, i
- e2prom_s_cmd arg; n9 s4 j& `$ T4 H9 t/ {& | h
- unsigned char buf[0x18];* w+ o6 l; W" ^! V; q& d5 X
# _- {! r1 }! }; k# d5 D- memcpy(buf, mac, 6);6 q O; I7 p5 Z
- memcpy(&buf[6], stbid, 18);
+ |3 m8 Z2 f c6 p - fd = open(E2PROM_DEVICE, O_RDWR);
- L& F5 t. b' W0 U - if (fd < 0) {
( g Q. x0 }8 L6 v9 z - printf("Device %s open error.\n", E2PROM_DEVICE);! B7 `) [- ^; ^
- return -1;& t3 A6 Z5 o1 e1 q2 W, }; I
- }( o) h/ ^3 I/ ^& N; L4 ?4 Q. `; `% E
- arg.sub_addr_count = 2;
& _/ V5 y8 y& p: I3 V - arg.data_count = 0x18;
* B/ }3 l& k) I/ f: h9 }6 r. ~ - arg.e2prom_cmd_sub_addr = 0x290;
: M6 S( [* E. k - arg.e2prom_cmd_data = buf;2 g' @; o$ g9 n A9 l
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" a& d/ W4 m. v
- if (ret != 0) {
" M( G1 \: P% U4 i" V - printf("Device %s write error.\n", E2PROM_DEVICE);
6 e2 P% R3 M2 ^, n - return -1;; l& s! s) P: ]5 G2 L# b# @: y
- }; c5 O$ }0 v% g
7 Z$ \( g& C8 L- return 0;
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+ J: G' ]* j. `& H- int main()9 r( Z5 N2 _+ V7 k+ J, c
- {
. {1 G3 T( v5 R+ ? - char c;/ h4 R$ O/ k: P( s, ^- j* |! r9 g: P
- int i, macs[6];
2 }' ^8 ?0 p$ \% h, C; \$ { - unsigned char mac[6];
# W! c* }# x7 [1 X/ ]% A, A$ w - unsigned char stbid[256];
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/ H* \; Y! I1 y0 \; b) N- if (readparam(mac, stbid) < 0)' Y0 \% a% R Q& c. v; ^" f
- return 1;
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- printf("Current parameters: \n");
* v" t3 r) ?: b* {! ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ l7 J" q* N7 k7 K$ g- y
- printf(" STBID: %s\n", stbid);
& p! P) r% H3 ~$ S! j9 m -
" j/ `* I% O5 a. y7 L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- u1 W, x5 Z* w* h& G ?" ^; w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% i/ ~+ b. [7 ~3 J5 B
- printf("Input MAC error\n");
" P5 W& }$ _7 W& o - return 1;
) t' T& {8 a5 C' d7 e' o" Q: } - }
/ I. j% m0 X9 \% m1 L' V7 W$ [ - for (i=0; i<6; i++)mac[i] = macs[i];' I2 E5 ^& c. P, i0 x7 a
- printf("\nPlease input new STBID: ");
( i3 B X) g: q2 {& s5 {+ f: S - scanf("%s", stbid);
! _7 D# d0 g8 _+ g: I+ q - if (strlen(stbid) != 18) {: r6 A. W: A) K# G4 X2 B/ o6 o
- printf("Invalid stbid\n");
( _: ?4 q3 s6 t: Y - return 1;$ F4 M1 Y) K! S' |# Y* E
- }
2 X& \# N- B2 ?4 j4 {) f) }% ~ - printf("\nNew parameters: \n");- _% C* @2 y: v& Y; z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 p L4 r# e; v1 Y - printf(" STBID: %s\n", stbid);; b$ F$ s% \, _' u; b- I
- 6 I5 @1 J, r* H5 G7 U5 b
- printf("\nDo you want to change paramemters? (y/N) ");
. u2 `: ~, t4 A7 v# z, R+ @ - for (;;) {9 Z- u3 p6 {. ?7 v5 x
- c = getchar();
1 h+ R3 F3 o4 U. `1 m* T4 f# i* Q" A - if (c == 'y' || c == 'Y')
4 H( s0 I& D' w; I4 M3 a$ U9 Q - break;
9 t6 b1 v) S6 H/ |3 W - if (c == 'n' || c == 'N') {
+ Y$ Q7 d3 u+ s - printf("\nAborted.\n");, f \& N( f5 R# j S
- return 1;
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- }
. c# O* C; m9 p - if (writeparam(mac, stbid) == 0) $ z: ]! _' j( I3 m# X
- printf("Parameters changed.\n");# a1 L" m8 b ?0 `
/ {! l& g" n7 h7 S8 l5 _4 [8 {- return 0;
& o, E5 x: V6 t/ w - }
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