本帖最后由 0522 于 2012-3-21 23:04 编辑 8 M; I7 J' x' S# N7 O
* X# l: r1 ? O" j/ n3 i m5 c修改的代码早有了。到今天不会编译。
# V5 l7 |" Q& a# x需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* W6 a' J0 v! S0 u3 v! u3 B - #include <malloc.h>
5 O8 L1 g/ }1 q' _ - #include <sys/types.h>
. r3 W; D0 |( R - #include <sys/stat.h># S8 s! }- e4 h
- #include <sys/ioctl.h>
) l/ c: |; T" A! N& M - #include <stdio.h>5 a- O. m( f0 L
- #include <string.h>
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- typedef struct {+ Q. k: W6 X8 _+ ?7 [' y0 e
- unsigned int e2prom_cmd_sub_addr;
5 R! p- [2 r4 [- {+ M* q3 t' Z - unsigned int sub_addr_count;
( V1 B9 f; n) h' J5 s - unsigned char* e2prom_cmd_data;* R: o( i K- u3 P" s' x! r) a
- unsigned int data_count;9 P' u) S0 j2 g2 c& n) J9 d
- } e2prom_s_cmd;
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) k" c' ]* o3 n, _- #define E2PROM_CMD_READ 1
" ?' h* S' Y8 F# e, G% `; h O3 R7 X - #define E2PROM_CMD_WRITE 29 J2 E) V2 J, L0 A; |" Q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 {: Q' s2 O6 d
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- static int readparam(unsigned char *mac, unsigned char *stbid)1 @, Y b4 C% L: b1 _# U' q+ Z* a
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- int fd, ret;
8 P0 F7 p8 S/ F0 Z) N- g: a$ s - e2prom_s_cmd arg;
: V% j) H" X( e7 f! c& D4 P - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);2 h3 e4 K# {, J- s% T- s
- if (fd < 0) {
; C4 Z+ C( o! V9 t, Y9 z/ g - printf("Device %s open error.\n", E2PROM_DEVICE);
9 v8 ^1 b$ O( [, T0 T - return -1;
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- arg.sub_addr_count = 2;
c5 k: L- [6 y+ L! C T& } - arg.data_count = 0x18;. e+ Y2 d* {, |. n" b7 c& g1 N
- arg.e2prom_cmd_sub_addr = 0x290;
, g. Q) a8 S8 |0 O; y - arg.e2prom_cmd_data = buf;
) O$ q" K0 w" f. B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ M& P: d) I; c) D
- if (ret != 0) {* K6 R6 B2 i+ S# u
- printf("Device %s read error.\n", E2PROM_DEVICE);" V+ _5 S: l' B
- return -1;8 X( h. X' A: K8 r! g" H+ l
- }
* s( C. M7 Y3 c" o1 w - memcpy(mac, buf, 6);
: F$ W7 \" H6 w- _: t6 f% `! e - memcpy(stbid, &buf[6], 18);
# T( U; G0 Z" I |3 g- z( ^! C. Q - stbid[18] = '\0';
# [- o" f9 c4 V. i, K0 s
4 v* A9 M) \2 d' p7 ?2 R- return 0;
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4 [/ P2 `, r6 e( G m X" n1 v5 x, e- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 }3 k/ P% u! m5 {5 V - {
$ b& c0 k. _5 [6 N- v* `- b0 \& V - int fd, ret;. {7 s) h/ `' _0 L0 c7 a
- e2prom_s_cmd arg;
$ G3 @2 a. [& j' b, w+ K/ r+ V - unsigned char buf[0x18];
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; W$ o- R- H8 _( p7 }/ S% O% a- memcpy(buf, mac, 6);; E7 c+ d" E5 W! {* x
- memcpy(&buf[6], stbid, 18);7 Q' A" h2 p2 d7 N9 N
- fd = open(E2PROM_DEVICE, O_RDWR);' y/ h! }; L# R5 R
- if (fd < 0) {9 J M* d9 J- T, r! g; E
- printf("Device %s open error.\n", E2PROM_DEVICE);8 G5 k% P. q: c/ D' H/ R
- return -1;/ L" |- @: K: \. D& x
- }
) w# q% w0 b, T# a# [ - arg.sub_addr_count = 2;
9 T5 Q7 R; J) ]0 |- ~7 p - arg.data_count = 0x18;" a) v& {, e' k7 O7 u
- arg.e2prom_cmd_sub_addr = 0x290;- w0 m& Q [1 y. Z- m
- arg.e2prom_cmd_data = buf;
, z' D6 P) Z; E" c; b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. k+ ?2 ^( x& s1 f3 N3 ` - if (ret != 0) {
' N5 s% z: a" a; b* x8 s - printf("Device %s write error.\n", E2PROM_DEVICE);
( C. z0 i% H3 h+ h F! {+ C3 u; H - return -1;( @7 Q- `# y1 H/ c
- }
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% i" E" l3 }' k4 g- return 0;
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- int main()
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- char c;
- S+ |, ^6 [- d/ @ - int i, macs[6];( ]7 T0 I% U- l# |0 A+ u
- unsigned char mac[6];% V4 T( w" w& v6 m
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
" R' o$ G2 S T6 k& Q) l3 H" o, o9 z - return 1;9 d. F3 H2 y# U3 U! |+ I) t' a" e
! H1 g. b$ R' i' e* f9 U. ]" K( L b- printf("Current parameters: \n");
, I2 w2 B0 ` S# l+ b# | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 y" {: L2 \; o- ^* n$ F9 Y
- printf(" STBID: %s\n", stbid);$ _ P5 f& Z S" s: V9 ^
- ! C' J+ M& O5 e, s9 p- ^3 y+ ?
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# w) T) {. p; T5 T9 Z _8 g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 x1 ~8 B% J# r4 D6 s7 O9 g# E - printf("Input MAC error\n");
; l; I$ C `+ a - return 1;
- e q3 l7 \/ J - }
/ r7 W6 T t0 h& W C4 Z/ ~ - for (i=0; i<6; i++)mac[i] = macs[i];! R7 D- ~. F- t E% D, r9 t
- printf("\nPlease input new STBID: ");
8 X" y' P V2 B5 N - scanf("%s", stbid);( {% A5 `: [, O' C9 ^
- if (strlen(stbid) != 18) {
8 G, Q1 \1 m* t6 A D0 v% M) X - printf("Invalid stbid\n");0 \: @4 g' x7 |* @% G) @
- return 1;
. h+ O: m/ @) F+ V. A( z - }
# X' a! m' r% N1 `2 i+ Z - printf("\nNew parameters: \n");- l3 x& |9 G( D; U3 u: D4 |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); Z. E# m# T; t
- printf(" STBID: %s\n", stbid);, N" i" k4 p( e! T
! y1 }8 U( y& F6 n+ J8 y1 ~- printf("\nDo you want to change paramemters? (y/N) ");
8 V* J2 b7 u' l! u) E/ S - for (;;) {4 m: h- ^+ G2 a% G0 w
- c = getchar();
3 m! Z) x0 p% P A! K - if (c == 'y' || c == 'Y')9 M% c0 Q8 V& b0 }; L
- break;- I& i4 q h" E
- if (c == 'n' || c == 'N') {5 w: z! A0 ?8 d/ F& U
- printf("\nAborted.\n");' U$ E& f7 c* o) t
- return 1;
% `, |/ t$ c% H4 O/ i f - }
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" U. x- h# a/ D) D% c% q - if (writeparam(mac, stbid) == 0) & G* m; G( ], t2 P5 d
- printf("Parameters changed.\n");
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- return 0;
4 }" F6 f* K! x, M5 C - }
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