本帖最后由 0522 于 2012-3-21 23:04 编辑 6 m# n6 o' b' E4 E0 N
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修改的代码早有了。到今天不会编译。
1 w0 F# b. P( s( d需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> ?( z+ f8 M9 p+ u
- #include <malloc.h>" {! Z& P3 X0 z; Y v. o
- #include <sys/types.h>
; M' Q$ i0 j, f - #include <sys/stat.h>1 C; ~+ g' ^: X* S7 ~/ C- B
- #include <sys/ioctl.h>) f: c q5 \" w0 s: Z5 ^2 ?) C
- #include <stdio.h>
: K, G' f) g0 T, f* @ - #include <string.h>
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3 e' I* C5 w9 B c- typedef struct { P" C7 D5 k6 [* i% ^8 q: b3 q4 |
- unsigned int e2prom_cmd_sub_addr;
* i% o8 c6 k+ ]! j, H, W - unsigned int sub_addr_count;
( t+ R0 v* p5 n4 S7 N5 Z7 e - unsigned char* e2prom_cmd_data;
* C" O2 Z0 w4 ? - unsigned int data_count;
2 t3 B8 e: v# x9 L- D1 G - } e2prom_s_cmd;% `" \0 u5 U e0 a4 w. ]
- / x+ V" C1 F& j+ h6 r9 P' G/ I
- #define E2PROM_CMD_READ 1, q( {$ ?; I4 k3 _/ l
- #define E2PROM_CMD_WRITE 21 f- Y1 l0 q4 m. G. v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- Q6 a$ R' T3 Q
8 i" L; O, Z0 B6 I b- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 l4 C( u0 S8 ]' [2 j$ d( a9 v
- e2prom_s_cmd arg;8 }2 r1 r- V7 X
- unsigned char buf[0x18];( k1 N- ?9 }2 A6 A/ R7 F. `/ \6 y3 ?) z5 v$ v
- * @7 D$ b" j/ \4 U+ p* z
- fd = open(E2PROM_DEVICE, O_RDWR);
9 K3 y/ v: |$ t - if (fd < 0) {2 Y$ q5 V* Z4 l, Z4 v: |5 m! [
- printf("Device %s open error.\n", E2PROM_DEVICE);3 A: x, B/ S3 ?( q* F, ^5 [; s" F7 b
- return -1;9 r2 g, r3 V2 _0 B% M" v
- }# T3 k- ?' f; |% @
- arg.sub_addr_count = 2;
$ x, w e6 z( o* l2 i! v - arg.data_count = 0x18;+ w2 u p8 f8 H0 ?1 P
- arg.e2prom_cmd_sub_addr = 0x290;
7 k. H, I% n. t' i% P - arg.e2prom_cmd_data = buf;. R" w% z! _7 a3 r3 A( ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);. e% m l* f( W, l ?* ?
- if (ret != 0) {
* p0 a e9 ^( b& ~) `6 s - printf("Device %s read error.\n", E2PROM_DEVICE);
: |$ J) D4 i, N6 _) z - return -1;
% K5 `- C0 M2 W, @8 {% p h( X8 H; h - }- V c, B, e5 k' q3 z: E
- memcpy(mac, buf, 6);9 f" ?5 p8 }: M: f# H$ r! h8 U3 ^
- memcpy(stbid, &buf[6], 18);
. ?' \6 y' A5 X% t- L - stbid[18] = '\0';) b" \7 q' `# p+ e
- 5 z' u; d5 s$ _" K9 B- y4 f
- return 0;
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- " g U8 {6 z/ e( I _. ]- i% r
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 t" O6 V( }% o+ f
- e2prom_s_cmd arg;) O* o2 k( K: L; s
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);5 |# W+ _* w w
- memcpy(&buf[6], stbid, 18);
. y2 N0 K7 ]$ v# P - fd = open(E2PROM_DEVICE, O_RDWR);
( r5 y% Z( k/ | - if (fd < 0) {& R" X8 {0 \1 y
- printf("Device %s open error.\n", E2PROM_DEVICE);8 M" X, M/ K/ q2 g) C( y
- return -1;8 {. ?8 Y4 a6 E( d
- }
0 L1 T1 K! Y1 }1 l - arg.sub_addr_count = 2;- d0 b7 U1 l; y% H( E
- arg.data_count = 0x18;0 U! \+ I {7 k9 S3 w p: x; P
- arg.e2prom_cmd_sub_addr = 0x290;
! o4 F2 Y4 L6 H& \/ `( ] - arg.e2prom_cmd_data = buf;
_. E4 x+ j4 W* |2 u+ P2 p6 r3 v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 l& j, g- T) {) y6 h. ]4 K. ^0 S
- if (ret != 0) {
" g P1 @. h7 f - printf("Device %s write error.\n", E2PROM_DEVICE);
+ |% K6 ~! H5 L5 p! C - return -1;
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9 L8 X5 J9 U3 @) E7 @( s' g- return 0;
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- int main()5 U6 F7 p; z/ x4 C5 R$ K3 m
- { K* t! Y- c7 c( k" H# A; \, V, W
- char c;
. h- d8 t( k1 g( Q* q* { - int i, macs[6]; |$ q, K# Z1 h, d
- unsigned char mac[6];" B; j2 z% U$ v+ R* B* X! E
- unsigned char stbid[256];% L0 o9 w4 Q4 B1 z" \3 z# a
& g1 M% [+ p! W0 Q0 E! l' x0 x0 O3 J- if (readparam(mac, stbid) < 0)& T7 U9 t" T0 l- C: g# l$ u
- return 1;' ^ U. g6 {: A9 ]8 P7 G& t% I( n
3 R; J0 Z) W2 x! B% h/ |% i% E. ^4 g- printf("Current parameters: \n");
* U% v( v( c7 v) K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" E* O: ^- l/ D" A: w) `. a: n* t - printf(" STBID: %s\n", stbid);
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% n2 Y! t. O, O% V) |+ o3 a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 p* s$ y& t- m3 w: [8 a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ J! ^4 s4 ^7 U) E0 U0 k2 Y: {$ D - printf("Input MAC error\n");
: b3 H( l& A }2 e( x& C - return 1;
& c; s! l+ }1 a7 D8 v: V+ N- s: s! [! i. c - }
& o1 ~2 m4 Z, F. F& F+ A- A$ o - for (i=0; i<6; i++)mac[i] = macs[i];9 L. G( q V3 s! ^+ \! [8 H
- printf("\nPlease input new STBID: ");
3 z+ g7 c1 _& T - scanf("%s", stbid);/ m+ v+ }! d) w8 h4 f) E9 z, A
- if (strlen(stbid) != 18) {/ [% J5 y6 C* V# a
- printf("Invalid stbid\n");
) G! ~( d5 L6 k" U3 \* q9 d - return 1;
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- printf("\nNew parameters: \n");. m" y, @/ b2 q& b$ s7 w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* N5 K, R8 G' N0 } - printf(" STBID: %s\n", stbid);
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& [# V0 m# M8 z9 X- printf("\nDo you want to change paramemters? (y/N) ");
1 N3 p7 d" D8 v1 d/ ?* ] - for (;;) {2 O9 a) m/ _8 I7 ~! q
- c = getchar();* ]" p& T M' u
- if (c == 'y' || c == 'Y'); m' e' S) u3 ?8 d
- break; ~! w7 r* q4 ]4 _- i2 K
- if (c == 'n' || c == 'N') {
: m ?% C% k/ m5 W+ G2 G - printf("\nAborted.\n");
. `: Z1 b* @- p# V8 d3 | - return 1;
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- }
$ M, b; V {6 {9 Z) q - if (writeparam(mac, stbid) == 0) / m T0 b9 ?, H z5 Y4 p# l
- printf("Parameters changed.\n");
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- return 0;
: d* u- u0 w1 x6 \+ k; h+ h - }
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