本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。" \+ o2 N" O) o* [/ ?/ N' j% `: j* T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 |" N6 D# N) w; l0 C7 o1 e+ W
- #include <malloc.h>
, t9 u/ u$ P0 T# ^6 a - #include <sys/types.h>
9 H6 _# H3 e- w+ f- |* e) \ - #include <sys/stat.h>
+ Y* u2 X9 N2 K. t - #include <sys/ioctl.h>
% S9 W s9 p& v4 |; D - #include <stdio.h>
4 T/ K" _6 x% y' ~ - #include <string.h>" S7 W4 F. @ O2 ]& j+ g' ]( B( T* O1 T
; U# G: M: E& U g S- typedef struct {
& d" }: O% C* A3 `" d - unsigned int e2prom_cmd_sub_addr;. d4 c! B/ W, B: B% [3 G" E! j" v/ D
- unsigned int sub_addr_count;
+ h% G/ k4 ]& l' j5 @ - unsigned char* e2prom_cmd_data;/ l: W0 z; m6 I. v( D% Q
- unsigned int data_count;
7 } F; M3 B' Q" v- ]) ]3 y' m - } e2prom_s_cmd;
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% q0 p- x5 w! Y+ J% `7 W- #define E2PROM_CMD_READ 16 d; R7 Y! P7 q
- #define E2PROM_CMD_WRITE 2
6 D5 O7 P" N* W$ F' E1 }: w5 T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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$ j* _- h5 G ~$ Y Q9 v- static int readparam(unsigned char *mac, unsigned char *stbid)
6 T. v1 s L' S, L - {% y: z c, `6 ?2 m
- int fd, ret;
& b* Q: u; U" f. W7 d$ G' X - e2prom_s_cmd arg; R, N' u2 ], C8 l9 `9 K
- unsigned char buf[0x18];- Y3 [# _& O4 @
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- fd = open(E2PROM_DEVICE, O_RDWR);$ F) t- a! w" Y4 W% T4 U- r- W
- if (fd < 0) {
y$ a& x( R, @, W# H, Q5 p - printf("Device %s open error.\n", E2PROM_DEVICE);% u$ v' A0 r* G2 ]$ w
- return -1;
8 v7 q; R4 R, T( |! v* m - }
9 G4 H+ o4 K/ O5 @2 p - arg.sub_addr_count = 2;1 o! Z2 V, Q8 a$ S) [$ f+ j0 b
- arg.data_count = 0x18;& d: n# J2 i A' a6 \
- arg.e2prom_cmd_sub_addr = 0x290;
7 u1 N" P5 \, p, [) X) r - arg.e2prom_cmd_data = buf; c c% ~$ f. P2 {/ |% k
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);. A& _: [$ W$ w+ _# X
- if (ret != 0) {
% H a5 }$ c- L - printf("Device %s read error.\n", E2PROM_DEVICE);
+ t6 q0 e6 _' d# q0 o - return -1;
h& Y+ n% @* O5 Q$ j$ n - }
% d* s6 M6 H* S& v$ B, D w - memcpy(mac, buf, 6);
' j1 ?7 ]5 E- N - memcpy(stbid, &buf[6], 18);
- {3 O0 |6 O/ X' p2 g7 y - stbid[18] = '\0';9 p$ J5 A( j' I/ R8 y2 T
; N7 V3 G# A; }. I- return 0;; Z. T' M% H1 T4 J9 {3 [3 Y' q
- }
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$ O9 p% e- `3 j: |. n4 q- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;" b) ?; O- p: C
- e2prom_s_cmd arg;
5 z1 i5 j# v2 E3 s+ Y8 P0 X - unsigned char buf[0x18];
6 q% @2 Z2 E- ~1 v; J M - - [# d* x& l0 n6 [# w5 h* m
- memcpy(buf, mac, 6);* Q6 Q" I& ^% ^% j
- memcpy(&buf[6], stbid, 18);) a! n1 S) }0 t" Y% e) l# w( B) `( {1 v$ C. S
- fd = open(E2PROM_DEVICE, O_RDWR);( |4 Q& Q( R- n' ]% X2 b
- if (fd < 0) {
2 P( S/ ]3 b* ]' X. G7 t7 ]' n. j - printf("Device %s open error.\n", E2PROM_DEVICE);" R" ~1 F8 B' @4 A" M; U6 P G
- return -1;. r8 ~! g3 D# D( h4 N# B# K8 S6 j
- }
, r8 Z3 O* s9 a/ t+ T - arg.sub_addr_count = 2;
6 u& n4 F. f8 U& P! p& Z - arg.data_count = 0x18;% { A4 L1 D/ J& _ o$ x
- arg.e2prom_cmd_sub_addr = 0x290;
B- w! L" v# A- x \ - arg.e2prom_cmd_data = buf;2 |2 K$ J! z1 b/ B6 b5 o' _6 d
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( |, X' o1 l G4 y' N3 u4 b2 C6 n - if (ret != 0) {
q% A& w. R" t - printf("Device %s write error.\n", E2PROM_DEVICE);
4 w" `4 q$ J3 j! R3 j - return -1;" r5 M, R7 H0 O. [5 V3 z, F
- }2 D8 w, S& v: @5 X- @
/ G1 i" }" K2 C1 } B- return 0;9 |/ `- E1 U4 E2 s {
- }
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- int main()2 ]6 `4 s4 c. H8 ?
- {0 T9 A9 w. ^3 K# ~
- char c;
+ ?' F/ w* @1 r. U+ j' X7 v6 a2 X - int i, macs[6];) L F/ l+ T( z* _) J
- unsigned char mac[6];
2 f3 ` {/ ^+ [, i) } c& s6 R$ B - unsigned char stbid[256];
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- E( B# l: z w2 ?- if (readparam(mac, stbid) < 0)
" ~/ P0 p- x/ Z0 G$ a - return 1;
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- printf("Current parameters: \n");
1 R# h2 m* @, n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 ]$ U* W3 X' S8 J$ L# d* s: g - printf(" STBID: %s\n", stbid);7 g: [0 C9 M/ d' y
-
# h) P, g9 \2 d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ d7 l, z& ]' v8 h1 h# t% L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& f. n, @& |9 u8 D8 K" { - printf("Input MAC error\n");! D5 g0 W. D. o U4 c) K. \4 M4 N
- return 1;0 F7 Q q# H% }; F; O3 U: V
- }
4 q( ]& S1 I* ]# z3 j7 i - for (i=0; i<6; i++)mac[i] = macs[i];5 p0 B- Q( }" g8 e" ^
- printf("\nPlease input new STBID: ");, }: u9 P/ R* W7 e
- scanf("%s", stbid);+ [8 N9 ~& A- c1 e8 b6 y! Y/ s
- if (strlen(stbid) != 18) {
: y" ~9 T: q- n* \2 Q - printf("Invalid stbid\n");. ^- ^$ z: R9 e' e* c, y a. q
- return 1;! Y; E2 u8 Q* R8 s
- }
1 J0 [/ i- e! t3 S' L - printf("\nNew parameters: \n");+ Z9 b G& w- `' c$ Y. r8 X+ v. M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# `& ^% f8 k' m0 E8 Z; }& W
- printf(" STBID: %s\n", stbid);
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+ G- K, r: @$ w/ O% @- printf("\nDo you want to change paramemters? (y/N) ");$ p& T5 ]0 k: Y5 r- W( b3 x
- for (;;) {
& g2 Q) l3 n/ R" g5 a" P - c = getchar();% z; H& Z# @ t6 S% j
- if (c == 'y' || c == 'Y')
! k7 R }7 U( O0 r& u+ [/ I - break;* a% Z' [9 R; \$ l b4 l% ]* M$ _
- if (c == 'n' || c == 'N') {
, ^1 c* I: c+ p) A. h! B( g$ s) _; P/ ] - printf("\nAborted.\n");7 t5 O) {5 @: R, B5 c4 m6 @
- return 1;) n( h& ?$ q( T) l4 Z
- }
: [2 A8 G8 f2 T* O7 ^+ P: h - }
8 u) @3 g! ]- g1 w D( ^& } - if (writeparam(mac, stbid) == 0) 1 d9 v2 \) P( i- P% G' _7 I
- printf("Parameters changed.\n");. A* Q7 P; o/ v2 K
: ~0 n" s9 V; C" \& O2 S% |- return 0;
! y# B* n( M' j5 P5 P3 K2 ` - }
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