本帖最后由 0522 于 2012-3-21 23:04 编辑
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4 E! P+ Q2 L& I) G& h! |修改的代码早有了。到今天不会编译。
( L+ t. D& z+ F4 ~& F; c. R ^8 U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; t. \0 o+ r: P) S V. m
- #include <malloc.h>* @4 n7 M8 R7 |) R" h7 t
- #include <sys/types.h>3 N2 X4 T0 X |3 p2 k
- #include <sys/stat.h>9 f- q4 I; G. \5 y$ c; ^7 c
- #include <sys/ioctl.h>
4 E+ O7 K9 o, j- s - #include <stdio.h>
' ?8 O+ C, r! n m1 b3 n; Z - #include <string.h>
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- typedef struct {
# S' p8 v! X4 R/ h) l% F) ~ d) e - unsigned int e2prom_cmd_sub_addr;
; {$ H' e2 X+ E' H/ ~$ m - unsigned int sub_addr_count;; R0 h; D. V. [- ]4 \
- unsigned char* e2prom_cmd_data;/ Z# d7 V$ k8 I( [1 [$ D4 [9 Z
- unsigned int data_count;* |9 o: H/ u5 d$ r& K& E* ], J2 d* g
- } e2prom_s_cmd; j' e3 @2 z* J. ~9 K
6 w6 I9 G0 r; @, `4 \- #define E2PROM_CMD_READ 19 ^9 w. {$ i0 M. K, c3 @) G
- #define E2PROM_CMD_WRITE 2
; b! }. E' f# r9 _5 \ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" j! Y4 Z2 Y* p1 C+ h7 X3 T
9 P' ]2 N3 c* ^/ q- static int readparam(unsigned char *mac, unsigned char *stbid)* H; F: q5 i. X' D3 T. ~
- {
- b( W! b$ K- T! Y. ^; V B1 U - int fd, ret;
" q" e9 w& I; _, W - e2prom_s_cmd arg;
; {& N/ J# {$ T6 N5 X* Q7 s - unsigned char buf[0x18];( f( a, n' d: z: o+ q- f0 I$ P
) t6 G3 z# V! p7 e) [, x! V$ c/ V- fd = open(E2PROM_DEVICE, O_RDWR);. G5 T, r* X' m6 w, y' ?
- if (fd < 0) {$ `( ~, {0 ?8 d) H9 R7 b5 g
- printf("Device %s open error.\n", E2PROM_DEVICE);2 r; J/ l- t3 a3 A
- return -1;
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- arg.sub_addr_count = 2;
: U r# M8 B& V: N( p+ \7 w - arg.data_count = 0x18;# ^) p) [4 d8 C. ?
- arg.e2prom_cmd_sub_addr = 0x290;
" u( @8 q! E" t. r, v2 e( E - arg.e2prom_cmd_data = buf;/ w* u4 }7 x% [3 \, W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 K; _# b" p) s) W! I2 P5 j
- if (ret != 0) {7 ?. p0 ]* b* h, g
- printf("Device %s read error.\n", E2PROM_DEVICE);9 \1 k7 Q/ O/ k$ Q& I
- return -1;
, W$ x) P* z+ @! f8 L! P; ^4 m" | - }
9 F x; U2 S) H( C2 V0 t8 b9 j - memcpy(mac, buf, 6);
" N7 k* t) p( _4 g6 n - memcpy(stbid, &buf[6], 18);
5 N; A9 p- C* M) H4 W, ? t - stbid[18] = '\0';3 s6 V7 ]# t" A. O
8 `/ B( ~2 k1 d7 f. @0 s, f- return 0;. f. U! S; N* y! s# k4 e
- }
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+ e* W# \3 j( t) I$ }- f, _* M- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 u5 {" m% Y9 \ i; F+ F4 |' ] - {
' P3 h; \1 [1 E9 \! ` - int fd, ret;
' ?! ]8 S" ?8 C - e2prom_s_cmd arg;1 S" v" @$ r5 m/ L6 N9 G7 m! ?
- unsigned char buf[0x18];
# O% Q7 O8 n5 `9 {# |. ^7 X - 4 e# t. X! E1 N4 Y* `0 p9 N& c" t+ o, a! N
- memcpy(buf, mac, 6);
) @) j5 B/ q; |5 S) D% T, X* a - memcpy(&buf[6], stbid, 18);
( Z/ ]2 B/ Y9 a8 z9 ^ - fd = open(E2PROM_DEVICE, O_RDWR);
{; J' @% X# R7 N9 \( ` - if (fd < 0) {
, D5 m% ?2 b2 H8 i; ^+ J - printf("Device %s open error.\n", E2PROM_DEVICE);7 [$ d5 e7 C/ h t- q4 {! }* l
- return -1;2 j" `4 J$ c/ U9 g; H# i, {4 g- p
- }9 \7 @* j6 V* W9 N5 R
- arg.sub_addr_count = 2;! I# H7 H3 B8 S& ~/ r
- arg.data_count = 0x18;
4 T! j* o$ i+ f8 q; d+ E! p - arg.e2prom_cmd_sub_addr = 0x290;
- [; P; I2 Y4 `, N/ _& p8 r% v - arg.e2prom_cmd_data = buf;7 |) f1 P. L q" ~5 w& u8 w
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ s4 O+ Q% D9 w9 f9 K - if (ret != 0) {
" ~" c C) j" r5 k; \5 ~( Y, v - printf("Device %s write error.\n", E2PROM_DEVICE);1 X) h# \) a; e3 H
- return -1;4 s7 r, D( T+ f- A; Y: l+ s, u
- }
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- return 0;# h2 N: y; ^7 Y' ]- g
- }
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6 I* Y5 n/ p& N9 Z8 q5 r+ L- int main()
+ |5 M* p" j+ ~" X0 z - {" p" N8 `0 ^7 ]
- char c;# y) n' \( J: ^; n( {1 n A
- int i, macs[6];& E' _, k2 P5 Q. e" t6 a) [
- unsigned char mac[6];
: z, Y( p9 x5 h8 _! @6 o - unsigned char stbid[256];
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; i9 j2 }/ l' b) A$ \# R- H% a- if (readparam(mac, stbid) < 0)1 h& @4 P% b, P
- return 1;
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- printf("Current parameters: \n");
2 d/ I8 F3 x. q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& p7 Q8 b7 Z9 z# B* E( y
- printf(" STBID: %s\n", stbid);" F! z! g( v9 O3 u1 Y2 N
- # h# \0 Y+ v4 U
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 z, [/ S5 K3 F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 p: t+ C$ a2 G+ ?5 n0 k( w! I) u
- printf("Input MAC error\n");
+ g c/ \! Q( l8 w8 M7 v4 k2 n - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];9 K9 ~) S+ ^! x) k0 \
- printf("\nPlease input new STBID: ");7 G- B6 l( Q, x! J8 q' e! ~
- scanf("%s", stbid);
; ?- S+ D- n, M' ]8 G9 `/ H8 s - if (strlen(stbid) != 18) {
& q; t5 ?* Q* Y: s% f- t' g - printf("Invalid stbid\n");! ^2 {+ n9 h1 f% D+ U' {
- return 1;
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- printf("\nNew parameters: \n");
" A- l. ^- z! p5 j) G" ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- o) H0 \! u+ b/ T# a+ l - printf(" STBID: %s\n", stbid);
& f- w& M9 R; q3 c. t- @7 v - + x- G$ u+ v$ Z4 n+ u9 O, l
- printf("\nDo you want to change paramemters? (y/N) ");8 c, p* L; e: F9 w, C9 X9 ~
- for (;;) {
; _- b3 I p5 \( I6 y7 J0 J - c = getchar();
) y- } o4 p" C4 E - if (c == 'y' || c == 'Y')8 l1 x" V! K; }7 F
- break;
9 E- m( _& V+ F% i2 y' Q - if (c == 'n' || c == 'N') {
1 x3 [( S0 z) u& h. M* g - printf("\nAborted.\n");
% Q* f) n; U0 g7 | - return 1;
# u* c& S! A3 n; v - }3 s& X8 b9 e, t+ ]
- } b; i9 i% b/ r3 z# j+ j% A' D0 l
- if (writeparam(mac, stbid) == 0) 1 i" G8 E0 p; ?! V" Q1 q
- printf("Parameters changed.\n");8 M0 C) g+ _8 f6 ^6 ^1 U7 ]
- % a, d1 N* v9 E, \" O8 f
- return 0;
5 e6 p* M$ N# c# F* i - }
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