本帖最后由 0522 于 2012-3-21 23:04 编辑 ) L5 z/ S& V1 O* ~! ~
/ [9 {. F- d: z* _修改的代码早有了。到今天不会编译。
; _9 C* q$ {0 S5 p; d: y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' |- `# [, X/ H
- #include <malloc.h>/ z- i+ d: ?; F4 D2 @
- #include <sys/types.h>
" }& ]/ p2 r6 Y+ z; ? - #include <sys/stat.h>$ M6 D$ J+ N7 N* M
- #include <sys/ioctl.h>
. B1 @9 h- ~3 z% d6 v - #include <stdio.h>2 @$ w$ d! N1 _9 B
- #include <string.h>
+ ~" y' }- O. }$ j
% J3 L2 ~0 q7 b% x/ ~9 P- typedef struct {
) h& b m* c! L( L - unsigned int e2prom_cmd_sub_addr;
; c+ t( [; ]/ L$ Y - unsigned int sub_addr_count;$ V. L% m0 C8 h: z8 h0 s, f, b7 @2 |* H
- unsigned char* e2prom_cmd_data;
) s' X6 F" a5 q% E - unsigned int data_count;8 w' m6 W: G# p% S( D& L
- } e2prom_s_cmd;
( S2 d6 k* g5 B+ }
/ j! l3 J5 a; o0 w# K$ M- #define E2PROM_CMD_READ 15 r6 U5 d4 j7 f5 U* n
- #define E2PROM_CMD_WRITE 2
: z# K, G9 w7 p+ T: Y9 m3 w - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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1 ~( K& P3 F% }3 V( |- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;0 c' \* j0 b0 I$ ~) q, ^
- e2prom_s_cmd arg;& Y H) H, k3 c; m( v& ?
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
, s: {- w) S0 o! Y% D# G, f5 l - if (fd < 0) {8 k8 h0 L/ `: `* @/ q# x5 ^
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 a* |; _" J C W) h. P. @- K: N - return -1;/ O# p" A. B8 \) Z! o
- }
" M- d/ H x7 |" q" `/ E - arg.sub_addr_count = 2;7 T& M- J# c& E" p# g3 l
- arg.data_count = 0x18;7 Q+ r E, v' X: c# d* y$ Q
- arg.e2prom_cmd_sub_addr = 0x290;5 ]; E- E8 R7 i9 }0 a6 {
- arg.e2prom_cmd_data = buf;1 k6 G1 l+ q+ u+ S+ _+ x
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- O: Z/ ]; A+ E( v - if (ret != 0) {
5 k ^6 w" P4 u4 m+ W2 h - printf("Device %s read error.\n", E2PROM_DEVICE);
% r3 b2 a; I- ?7 P& k - return -1;
7 M- m! `7 M8 O+ k* k1 y - }) b* i0 s ], n6 A' Q
- memcpy(mac, buf, 6);/ N3 X% S! Q/ U$ J) g, }1 {$ y: L8 f
- memcpy(stbid, &buf[6], 18);- G; e- {3 _1 {! N# j9 Z" s
- stbid[18] = '\0';! D% M/ _. c8 v3 A
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- return 0;
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- 2 Z E- e, y4 P) l
- static int writeparam(unsigned char *mac, unsigned char *stbid)1 \" Z! W! e3 c- V" m6 ~
- {
+ Q, f# V+ K4 v t) I - int fd, ret; _4 r# ~/ r+ X; e8 @' c1 z
- e2prom_s_cmd arg;
' H; R) }* _7 p5 J* m! z+ M b& E - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
9 M0 X* g9 ]$ q& g- ~- C0 T - memcpy(&buf[6], stbid, 18);& [8 z% A3 C+ E$ H% |
- fd = open(E2PROM_DEVICE, O_RDWR);$ v( ?: Z3 i6 [2 p
- if (fd < 0) {; h: m/ }; j, |. c. i' r. q+ \$ {
- printf("Device %s open error.\n", E2PROM_DEVICE);0 K1 D# @! `/ M& j
- return -1;7 C# w) v' n/ A0 m- l/ K% ^
- }, w9 y4 n$ C! k
- arg.sub_addr_count = 2;# A/ {6 n7 T" W0 u( E
- arg.data_count = 0x18;
- F/ y* O$ o: C) f) x. e" ` - arg.e2prom_cmd_sub_addr = 0x290;
& r4 {2 C& c- |7 x - arg.e2prom_cmd_data = buf;6 m; k# z. g% B% |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! x7 @' b+ ^4 O7 n: F- E7 S - if (ret != 0) {% `3 O: ?4 r# ]3 [. w4 e
- printf("Device %s write error.\n", E2PROM_DEVICE);" P* r4 p) i% h/ O1 D; |
- return -1;
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- # p1 ]3 _1 R8 X; @
- return 0;0 T( ^ m1 X |3 n) K L6 X# T
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- int main()
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- char c;
0 A) f) z- H4 y* r D, Z& h - int i, macs[6];
. G3 B% x: s% H! Y1 H4 W. B - unsigned char mac[6];
4 i2 L) u6 T) `9 T. R - unsigned char stbid[256];
3 H8 S" \; O2 E3 ~1 t3 B; b7 {
6 J/ U K6 X5 z4 k6 m4 G- if (readparam(mac, stbid) < 0)
9 {, g% p$ H3 b- j' s! t5 z - return 1;8 a5 e. O7 b" u( b- k+ a
- * b8 A5 o% [. [
- printf("Current parameters: \n");, ]/ N- f; n% V# l: i! w' F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 k" H0 [* E/ v1 L! @ - printf(" STBID: %s\n", stbid);
) W) L' S( c7 s -
% u7 l3 D5 Q1 H, e - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) ^0 c7 o8 g' A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 g0 J& a% ]1 w/ b& Z4 c' X - printf("Input MAC error\n");& f& x; e& U0 `0 C n# H3 u
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
- e1 t3 Y8 e7 i, s - printf("\nPlease input new STBID: "); X. n8 q; f; Y6 w7 Q
- scanf("%s", stbid);
' v* q; P+ h5 E# T+ X I) ] F( H - if (strlen(stbid) != 18) {; i' J; j5 ]# W& X$ i
- printf("Invalid stbid\n");; a- C' }* N2 f- g, |# ^
- return 1;3 F/ {% y# N- i4 W2 H$ Y" m! M$ E
- }9 ]: N% ?7 X: [
- printf("\nNew parameters: \n");
4 R- P7 |, x8 P$ ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" i% K- t2 r( Y! v1 S4 ]( w4 @
- printf(" STBID: %s\n", stbid);; q; {& n6 l! j6 f! O7 y/ N& e& \7 y/ t
6 t: c6 }4 a8 W- Z3 J- printf("\nDo you want to change paramemters? (y/N) ");
& \. n' a1 v; v' L - for (;;) {
( N$ R+ ~' ~; G/ `% u3 y - c = getchar();
! [- Y$ _; o' ?5 @7 `7 `) t- v. s$ G - if (c == 'y' || c == 'Y')( a/ A8 G1 z& Y- y1 I' B+ v
- break;9 `% E, N- t9 m! W' i' t
- if (c == 'n' || c == 'N') {
5 ?7 H! i' S8 L" k" v - printf("\nAborted.\n");
0 k% t$ z3 E5 {$ D5 @- y - return 1;0 {! P2 L1 f/ X x" x" U
- }' |! [/ U7 o: L5 J+ k& J
- }: C. S' B4 Y8 {6 c
- if (writeparam(mac, stbid) == 0)
6 d" O9 {4 E0 b( ]8 K6 T - printf("Parameters changed.\n");' s% G3 J4 _3 X) K- D. Q
- l2 q9 Z& Z: k T) ?9 I6 c: V! o
- return 0;
! s6 _1 K9 a8 R - }
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