本帖最后由 0522 于 2012-3-21 23:04 编辑 / Y- g6 _- A" X. B$ Y; o
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修改的代码早有了。到今天不会编译。
! C5 x: d: E; P6 F+ Y7 k, Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" i, I6 u. @0 S) z
- #include <malloc.h>
1 _) A. ?, A' ]! S - #include <sys/types.h>
, ~/ s9 R/ A: d" _5 r$ x. b - #include <sys/stat.h>0 w& \! c& v4 q0 S4 r
- #include <sys/ioctl.h>: q) T7 Q/ u) R, O2 q# d8 {
- #include <stdio.h>3 K& P' Q! u5 @! N9 L6 C' Y1 b8 }
- #include <string.h>! ^2 a$ o$ ~ C' s+ A9 P7 l0 u- x% z
) D) K# Q# L+ p2 S7 c( W6 Q- typedef struct {/ x* Q+ o9 Q# `; s3 R* n0 I0 ?
- unsigned int e2prom_cmd_sub_addr;
' X; |* f7 @+ L6 {/ v - unsigned int sub_addr_count;
, P# u# s- \+ L1 W - unsigned char* e2prom_cmd_data;2 L0 H$ w& m) G1 m& I4 a
- unsigned int data_count;
, i' T- @9 B- W4 Q$ g - } e2prom_s_cmd;$ B4 q, e( C& `$ I: J+ S$ \
- * |8 C: C: p8 i1 K* k4 i
- #define E2PROM_CMD_READ 1" I; b, `& `1 R) {; N# q" g6 j
- #define E2PROM_CMD_WRITE 2
! k" c/ t$ L8 ^4 [) t& j4 N+ [: E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 ~! B; t! D, P$ B: X6 f: _
) p6 S. ^% b" I' U* K, z- static int readparam(unsigned char *mac, unsigned char *stbid)0 ?! F# b e5 j# P8 U, k! P
- {
8 T) w5 _! S& t, J. d' p) P - int fd, ret;- u. H( D4 q9 H" R8 s' k% p
- e2prom_s_cmd arg;# y- O1 h @/ c2 s% D) h( }
- unsigned char buf[0x18];6 C' k7 l; N; [4 A0 A: r
/ i5 F3 W1 c0 N3 u t- ]5 `; {0 c- fd = open(E2PROM_DEVICE, O_RDWR);/ r2 Q a3 u' F! B5 I0 m' r9 a
- if (fd < 0) { e( o$ `2 X, M
- printf("Device %s open error.\n", E2PROM_DEVICE);
A U1 z: V# e. `! l' m/ Z( | - return -1;1 B; C4 v1 y/ B7 j, h
- }
5 F3 Y$ n. @; O8 m; q - arg.sub_addr_count = 2;
3 y5 y# S) {8 \$ _ - arg.data_count = 0x18;
' s% j% H/ d1 Y - arg.e2prom_cmd_sub_addr = 0x290;& _ w. g7 }0 ^" g
- arg.e2prom_cmd_data = buf;0 V/ g W; s: T; d" x4 E
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* y3 D/ I3 I8 z+ E& a - if (ret != 0) {
2 K, s1 _. v% G+ l3 X3 K - printf("Device %s read error.\n", E2PROM_DEVICE);+ N% ]2 u6 `! w' o& [% f9 ~
- return -1;
+ U6 h4 j; g, U" i1 q" e - }
& F3 C, G! y9 K$ W - memcpy(mac, buf, 6);, l7 M: O( F& ]
- memcpy(stbid, &buf[6], 18);
0 D6 H- e* X8 ^$ t. } - stbid[18] = '\0';
0 M1 M( m |* ~
+ B4 N2 `$ x( @- a- return 0;
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- - I( `; E" u: @: V9 c
- static int writeparam(unsigned char *mac, unsigned char *stbid)! ~: ]% }! z1 ]' N9 i+ p: l" D: E
- {" s8 [6 o7 W% z4 B6 D- g3 B
- int fd, ret;2 Y; P @2 q, W1 I% U
- e2prom_s_cmd arg;
# e1 d w7 {) p% n K0 m - unsigned char buf[0x18];+ y' x l% e* l* v
/ O, z5 ]6 b: P- memcpy(buf, mac, 6);/ ]( }8 A) |8 Z K* F
- memcpy(&buf[6], stbid, 18);
" a' M V; U! A6 [ - fd = open(E2PROM_DEVICE, O_RDWR);
+ y3 X* g# A- g$ R' V - if (fd < 0) {: f" ?9 H) S/ ]- O- t
- printf("Device %s open error.\n", E2PROM_DEVICE);- l0 V5 M) o7 c% H% {
- return -1;
L( ]5 ~7 l5 C- m7 y1 K0 ] - }
# y/ [$ }$ _7 v0 w8 S3 M - arg.sub_addr_count = 2;% k* ~) z5 i+ t
- arg.data_count = 0x18;
@0 ~% [( B5 P2 @) y - arg.e2prom_cmd_sub_addr = 0x290;
1 i8 x# X$ O- N9 M; g - arg.e2prom_cmd_data = buf;
/ K7 A/ x* E3 k4 J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) ~/ n& _+ X5 b
- if (ret != 0) {
7 T& w$ H( x9 [; g" a - printf("Device %s write error.\n", E2PROM_DEVICE);7 R2 U' B) Y, r
- return -1;3 j3 Z8 g% |& A M& W9 G
- }9 G4 H ?: ?% m; x1 t
. v9 B/ A& [" g" k- return 0;
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- ( x6 ~) ?7 \0 S7 b" C
- int main()
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- char c;
) r- Y7 V) V$ j. x2 Q8 | - int i, macs[6];% b* u0 E* F1 l9 D7 A* U
- unsigned char mac[6];
C7 I* e9 l! e* T1 i' z) n3 V - unsigned char stbid[256];
. \# \) U, k+ t& v# E
4 J. H" h* r* A4 t) {4 s- if (readparam(mac, stbid) < 0)
* Y( T2 ~) y" z, X - return 1;6 ?6 ?4 M0 [* o# N+ d
- & M8 V" [3 H7 L$ L5 W- V# f0 j
- printf("Current parameters: \n");
* Q: @: F* j/ \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 Q& w* w# K L- t
- printf(" STBID: %s\n", stbid);
1 p8 J7 [9 O |5 f! D' D, d. B - . Q7 h/ c: n0 h1 x4 A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 r$ s- N3 M# `9 U
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 H7 ~ w/ N* Y' X+ o) |
- printf("Input MAC error\n");, S; m' B0 p3 @/ I, }& A
- return 1;+ @5 Q/ H' q- g1 E
- }6 s$ i! z3 K* L) u3 ~: z
- for (i=0; i<6; i++)mac[i] = macs[i];
) B' i" V: }8 d/ A: @" E( N; }5 |9 i - printf("\nPlease input new STBID: ");7 F: `& D& ~7 S6 p& G0 |' e
- scanf("%s", stbid);3 X, C/ ^, X ~- Z/ m4 N! |
- if (strlen(stbid) != 18) {
- h" [7 l/ b& A% h3 j - printf("Invalid stbid\n");
2 j/ T8 N3 A/ J% v: m# v4 H - return 1;
* ?7 E5 w2 e: R0 o - }
& f' Y, a* ?2 ^, P/ t8 ?1 p. p) a - printf("\nNew parameters: \n");
6 F" i3 R$ I( f: I5 Q' |) c u1 \0 v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 r6 `! o) Z x e9 w$ ~% Y - printf(" STBID: %s\n", stbid);
2 Z; x ?8 k$ H* @+ l! N - - D: {% d5 g @
- printf("\nDo you want to change paramemters? (y/N) ");+ \/ I% u5 j0 N! a5 G& c( m
- for (;;) {2 {7 D3 C2 ]2 H0 r7 ^
- c = getchar();& q0 N! g/ u1 k1 g- B1 @2 O8 x8 C
- if (c == 'y' || c == 'Y')
l# G7 |2 _) a3 o% @ - break;
8 L; q% R) o! \0 O% A" C5 F - if (c == 'n' || c == 'N') {
7 U& J$ d4 v) r% x% _1 Y - printf("\nAborted.\n");
0 a1 Q! C! w! \$ | - return 1;; a2 f* L7 e3 L) X+ \3 \
- }! Y! n& m, z) [1 Q: a
- }
7 P9 ^# u; e/ `/ P/ | - if (writeparam(mac, stbid) == 0) 8 K6 f- R2 \/ g& B
- printf("Parameters changed.\n");
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- return 0;
5 y! J$ u9 u8 A( r - }
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