本帖最后由 0522 于 2012-3-21 23:04 编辑 * b* X0 Y6 a2 \- K
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修改的代码早有了。到今天不会编译。6 F) [$ U( {) z" a$ W8 E# _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 d5 i* @5 l0 Z& ^! e+ b' ~
- #include <malloc.h>5 _: u7 Z+ l: ^7 X+ G8 i3 _3 }
- #include <sys/types.h>$ _$ H ] @' O) s) |6 b/ o
- #include <sys/stat.h>
[8 j& E. P+ V0 a# @5 h - #include <sys/ioctl.h>! P" g% s% S# D+ O9 d+ \1 R' r5 @
- #include <stdio.h>
( C! U3 Q1 A( P) S6 b4 t - #include <string.h>- I8 @/ M( L8 g& B$ ?1 Y& Y
- 0 E3 X% {6 Z0 c6 d0 u
- typedef struct {1 D- V; a0 I! }* Q2 \+ g, ?
- unsigned int e2prom_cmd_sub_addr;0 o& Q6 m7 g* L3 {' v6 ]; d! O
- unsigned int sub_addr_count;( M& Y1 T8 b1 L8 ~: [
- unsigned char* e2prom_cmd_data;
* C0 u% Y# ^. ^ - unsigned int data_count;. k' r! G) s4 V& a
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1* k, s+ F, l3 d) ?9 g4 D
- #define E2PROM_CMD_WRITE 20 @1 K$ a# |* M
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' Z, c" g* V/ ~ p" J
% L2 L) _$ j3 v- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;5 W$ s; ?9 ^ \( \; h
- e2prom_s_cmd arg;
7 T% W# K2 u2 t% ~5 U2 J- V4 r, q - unsigned char buf[0x18];
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5 j; g& g0 V0 o9 j5 f: W) j- fd = open(E2PROM_DEVICE, O_RDWR);8 R3 M' e8 _* O' c; E5 n+ P
- if (fd < 0) {
# k1 h% v4 l9 C: w3 w" r8 s - printf("Device %s open error.\n", E2PROM_DEVICE);0 `9 _5 d0 w2 F2 u# l
- return -1;/ ]. @' Q2 Y- ?+ o. k8 A1 [+ z
- }2 M+ u$ i. W3 v5 `& o
- arg.sub_addr_count = 2;
- {% G5 }% E5 |' d/ ]& e% l9 V - arg.data_count = 0x18;
- Q0 L- P4 F* D( d2 W0 ? - arg.e2prom_cmd_sub_addr = 0x290;
; D* I+ b( T! O; E/ g% F - arg.e2prom_cmd_data = buf;5 q2 W3 F, H7 F8 c( D+ i
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% f$ w- g. n2 g* w9 a4 Y% B, } - if (ret != 0) {
, g* ~1 O. x' K2 }: { - printf("Device %s read error.\n", E2PROM_DEVICE);
, ]2 ]+ W' L6 f5 n ]$ X/ r - return -1;( B. O3 i/ r5 u6 S- [. q/ j, M
- }* Y2 R X& o. S5 H& D2 x/ L
- memcpy(mac, buf, 6);. l3 A6 h7 e$ G/ J5 e2 I
- memcpy(stbid, &buf[6], 18);( S/ g: u8 n) ^
- stbid[18] = '\0';
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- return 0;4 G7 s% I$ V; F, Z
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- , M! I; d0 f7 g
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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8 t- F9 A. U' V+ q3 L* p5 Y - int fd, ret;: D6 r9 x5 W4 C/ {" \& K
- e2prom_s_cmd arg;
- c) d0 ~8 P6 F) M9 v0 q - unsigned char buf[0x18];/ ?. f. F u9 i6 D
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- memcpy(buf, mac, 6);) r% `; U8 f: _' |5 F7 |. N
- memcpy(&buf[6], stbid, 18);
" t" C2 F- g* U$ F, e4 }! q4 \ - fd = open(E2PROM_DEVICE, O_RDWR);6 Y& s2 c9 M/ D$ k$ X1 D! g* J
- if (fd < 0) {
8 r, s }5 M2 ~2 Q8 q" p/ x o - printf("Device %s open error.\n", E2PROM_DEVICE);! l" b/ z/ E. w" c7 \
- return -1;
- M0 ], ] [' ~( U! B7 C - }
+ ? p7 x4 U' x7 h. l4 d - arg.sub_addr_count = 2;9 |! U/ C9 g* `0 ^
- arg.data_count = 0x18;
7 O2 G$ M0 S/ c4 V/ r( X6 Z - arg.e2prom_cmd_sub_addr = 0x290;
# J$ I% {0 l+ S/ u+ W - arg.e2prom_cmd_data = buf;4 q5 b. [, i8 p1 M3 t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! g, u$ C. v6 o" A* P: M% W* Y - if (ret != 0) {6 f/ x8 i6 e* B. I {# R
- printf("Device %s write error.\n", E2PROM_DEVICE); l2 R% k9 f7 G2 S; [ f
- return -1;
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- return 0;% \9 C% v& T. N7 A
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- ! w9 ^' s- G( q/ k' ~
- int main()
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0 a Z- g% i7 X. b2 j8 o - char c;
) T w# p' K/ ^: Z/ ~ - int i, macs[6];
; h4 u) n3 l1 L+ X" E: ~ - unsigned char mac[6];, F1 q1 G5 B0 M. S7 m
- unsigned char stbid[256];% _: l8 ?8 Z4 ]* i4 w" h
- ' O) C, o' p, H7 `! p1 F; d
- if (readparam(mac, stbid) < 0)7 Y2 k8 _0 w1 x, W7 x( F% ]
- return 1;
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: H+ P- d! b+ A5 ]5 \- printf("Current parameters: \n");/ R( h6 z, O' c6 a# |4 `7 s# Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% d' s% m- S0 N' W" z6 w - printf(" STBID: %s\n", stbid);
& \8 o" m( |( P; S' r |& j -
$ L/ x+ B) n- z4 [5 q# Z$ `5 k - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ s a6 K# a) ]8 `% s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 v0 Y% E: s- D - printf("Input MAC error\n");$ w- d2 q. D! w6 y
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
/ D! `9 a" i; W* Z3 e# z* | - printf("\nPlease input new STBID: ");
* Z. H1 @0 Q4 ? o2 l& f4 [ - scanf("%s", stbid);) r+ p% w. w# w, [) ?
- if (strlen(stbid) != 18) {
5 @0 V# l$ r2 }) [ - printf("Invalid stbid\n");& R) X6 `3 q1 D1 D: h, o3 V+ g- o/ y
- return 1;
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8 Z8 ~& u9 s% d& C% `. F - printf("\nNew parameters: \n");
1 e7 D- f" L2 V3 I8 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 I7 s# J, S3 S1 x3 M" n6 X( J
- printf(" STBID: %s\n", stbid);# T- X9 j( p' b
* y6 [. B9 C5 P: y) p# L5 d- printf("\nDo you want to change paramemters? (y/N) ");! h( p( V) E1 U$ e
- for (;;) {0 P# r& R4 n/ ?' J# [! [$ \4 \
- c = getchar();6 z9 l, a$ A Z! Z% o, A- O
- if (c == 'y' || c == 'Y')
4 z/ {6 X# z% H) ~- x( { - break;
! g8 i1 E+ O/ A! ]" K6 G - if (c == 'n' || c == 'N') {
2 s2 L; V7 T% w' _ P, m- \, L - printf("\nAborted.\n");
7 f! \2 m, H8 Z$ {4 g# K - return 1;4 y" o" ~% r4 s. Q" l) N
- }/ J( o+ Y2 Y1 m3 X7 u: X6 h
- }
" U+ D+ M- u x2 k" T' D; \6 z' y3 Q- X - if (writeparam(mac, stbid) == 0) ! V* E$ r5 s, j3 ~ p$ O
- printf("Parameters changed.\n");
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- return 0;
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