本帖最后由 0522 于 2012-3-21 23:04 编辑 / G: l, v* d: Z- }- x4 ` [9 S
# [4 W: N9 n3 E, g/ U, H; t. H修改的代码早有了。到今天不会编译。
( F* o2 X7 c# e$ w" _% K& l. {2 E需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( w+ `$ p, x: u6 S) t - #include <malloc.h>4 q, h/ k& z, e2 W: w; @
- #include <sys/types.h>
( P: Z3 G+ N B - #include <sys/stat.h>
( f6 e# ~$ J" Y - #include <sys/ioctl.h>8 P3 }6 U' c/ k. r
- #include <stdio.h>
2 u! n' `1 H: B0 w - #include <string.h>. T/ _ B, u/ z9 y! \1 ~
) U* U/ G( H# d b* E- typedef struct {
: |+ }( [% ~1 p3 [, l - unsigned int e2prom_cmd_sub_addr;1 C( k% y. L* k5 h, E5 E& Y) g8 g
- unsigned int sub_addr_count;
: L1 h* L: N; I7 f) u; V - unsigned char* e2prom_cmd_data;
# [! c' ~1 Q S - unsigned int data_count;3 U B8 C1 F# i* v: Y
- } e2prom_s_cmd;
% \+ C. Q+ n" w( A - # T2 {/ J. z5 s- \# v" z! S
- #define E2PROM_CMD_READ 1( l' d( d* \) R
- #define E2PROM_CMD_WRITE 2: ]" n: D5 X) R3 v( k4 X; m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 O- ^. Y2 m1 }
- * O8 R5 K3 N2 E" w Z# s
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; X7 p9 U) N6 t9 K2 w- Z$ m
- e2prom_s_cmd arg;0 Z/ T: X) L! U: Q2 A+ q7 T1 N8 c
- unsigned char buf[0x18];
' D4 t: {' _; v& W ? - " [$ k! D5 w5 Q/ U$ {
- fd = open(E2PROM_DEVICE, O_RDWR);* Q. i7 h; t: j. {
- if (fd < 0) {3 Q6 h6 X/ c3 N# h# t0 H. d
- printf("Device %s open error.\n", E2PROM_DEVICE);
! V! a& p n7 Z2 } - return -1;6 `: i* ]1 r- y$ P! x
- }5 ^0 w$ t' O! p. j& L9 M+ ~, W
- arg.sub_addr_count = 2;# b4 A- l8 ^! y3 U0 m3 X' N3 R" v6 |: Y
- arg.data_count = 0x18;
6 k" Q! N+ c3 W& g2 x- T - arg.e2prom_cmd_sub_addr = 0x290;0 v7 P7 |& Q- \5 O
- arg.e2prom_cmd_data = buf;% m. @& K8 @4 X& |2 N8 N( `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);) t) ^! t* d$ D W+ `. [. j
- if (ret != 0) {$ J/ m' K& s \8 ^$ L1 ~3 E
- printf("Device %s read error.\n", E2PROM_DEVICE);
: i& ]+ s# y! i - return -1;
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- memcpy(mac, buf, 6);0 R8 `0 g) X2 R& i, G& D5 n
- memcpy(stbid, &buf[6], 18);( G9 S% m1 W+ {! }8 \& t. Z* J/ y
- stbid[18] = '\0';4 m8 [$ s% p0 ]
- e- [8 F8 a" Y2 V! w- return 0;9 d) @) R9 ~) _8 A
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)0 _% c+ B9 _9 X) W
- {( |% g2 @4 b$ U9 T' N
- int fd, ret;
. L, n" X# Y' W( s) R! r - e2prom_s_cmd arg;" `% h& [1 l7 C+ Z0 N! t
- unsigned char buf[0x18];
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; I9 v) y+ t$ P9 V7 r! t: {- memcpy(buf, mac, 6);6 S. w7 c- r' Y [, |4 S! d4 `
- memcpy(&buf[6], stbid, 18);5 S6 r# L* o( p( ]/ @# ~
- fd = open(E2PROM_DEVICE, O_RDWR);) @9 L9 W+ J, x% n8 b
- if (fd < 0) {- N! u5 t7 L4 n
- printf("Device %s open error.\n", E2PROM_DEVICE);+ h1 k% `0 ^$ f2 X' e
- return -1;
6 A4 f' o0 m$ @1 S4 i - }
* m* y( _# V) z4 M3 E - arg.sub_addr_count = 2;0 ]0 k- l2 q8 ^
- arg.data_count = 0x18;* m2 S1 s# u( C$ F! \' a7 `
- arg.e2prom_cmd_sub_addr = 0x290;' c* h5 n4 o E s/ H" S
- arg.e2prom_cmd_data = buf;
5 W$ {8 p0 D }2 R - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 i& `3 Q2 g# b - if (ret != 0) {
; n' m: Q7 ?5 r3 K- g - printf("Device %s write error.\n", E2PROM_DEVICE);
) ~' `2 M- Z& [ - return -1;
1 E3 _4 `' w9 d - }
! Z; M- o$ y5 }5 C5 g/ s% N
' |1 f/ J# W# W" i4 Y( P, W" v8 y- return 0;/ v0 n* k" }; u
- }
* I) ?. Z+ L5 ^# x$ V3 c
2 j# w3 j1 a9 w) |! j- int main()
3 |. G5 K% Y9 C - {9 p" P+ v* w% ~( P% _$ n! q. g7 w
- char c;
% e! I9 x8 Q# _3 O! {: N - int i, macs[6];; x5 ~3 T) G( d4 j$ ]8 j
- unsigned char mac[6];* h% p1 N6 }1 { N! l
- unsigned char stbid[256];
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' ~- o" N$ O2 m1 Z- if (readparam(mac, stbid) < 0)
8 @9 k7 E- x& I4 Z - return 1;
* W6 V* B; `( b
2 _- {9 C, v/ y" i$ F) [+ I U- printf("Current parameters: \n");
9 D4 \& W( ^ K- n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 a3 l+ L4 }% L4 X' E1 u9 T
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 A, j- i6 q; r6 }7 o% o z7 `$ E: R - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: {5 {/ ~6 f' U4 p* t
- printf("Input MAC error\n");
) n/ Y. D# r4 q9 C- Z/ B - return 1;
4 C; T) T+ D1 l8 c) d+ d - }
' r8 D _, T6 u* ^& z - for (i=0; i<6; i++)mac[i] = macs[i];: i' k. \ _. q+ } V) x* f
- printf("\nPlease input new STBID: ");
# H! ?/ c& T5 c! X, }8 V" U& w$ L - scanf("%s", stbid);
# t. p* ~3 ^% D6 w0 V0 D% J+ S/ L - if (strlen(stbid) != 18) {3 {$ G3 `+ F' O4 a8 z4 P. a* H
- printf("Invalid stbid\n");
: O" K' I( {4 m' Z' |# F - return 1;! R1 D( m3 T6 u9 M b
- }
' ^( b" e7 e4 N+ g& q - printf("\nNew parameters: \n");8 |. q3 e) C) L, q2 `! r8 W2 ^7 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( X: K! Y& R* x5 w, ^% }+ E
- printf(" STBID: %s\n", stbid);. z9 M( j* ?8 p' ?2 ]* F' G
- 1 r7 ^3 p0 }7 t1 O0 u
- printf("\nDo you want to change paramemters? (y/N) ");6 }+ q, F# u5 i4 C" x% s6 t4 a
- for (;;) {
) b$ _8 Z- @! a1 f' z, m6 `7 L - c = getchar();' Q$ g' e0 D) j6 J8 C! z) G
- if (c == 'y' || c == 'Y')( u. ^: Y0 I% o; Y' A8 P
- break;1 }% G9 R: Q" q n$ q: z
- if (c == 'n' || c == 'N') {. S( @ I2 g' Y3 m- ?2 V
- printf("\nAborted.\n");- l4 L; n. S3 Y* }+ P
- return 1;8 ~% s V# n" ?6 j/ T& ]
- }
/ X$ o7 Z3 P& p2 U3 v; r, X - }
4 l7 L4 R: H$ d" ]+ B2 p7 k& d& C - if (writeparam(mac, stbid) == 0)
- g: ?; k6 k; r5 a - printf("Parameters changed.\n");
# \, ^- m( W7 \: i; A
2 _) k8 g' D6 r- return 0;" k& i K. b5 l
- }
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