本帖最后由 0522 于 2012-3-21 23:04 编辑 , H, Y" u& \* z* X9 X3 J9 `
% l6 v1 D% o5 z+ A$ ?修改的代码早有了。到今天不会编译。
/ I# @; H5 X. O( u s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& ^' }* Y- k; s. A' t3 X' H
- #include <malloc.h>' _/ n' E' {, N5 g/ K6 p
- #include <sys/types.h>6 w+ v! e% }; E4 y
- #include <sys/stat.h>" P/ Y6 e* L( o6 A& I
- #include <sys/ioctl.h>* @# M) q' K4 G( F- e+ b, F' ^
- #include <stdio.h>& u7 w" Q7 O( v4 o
- #include <string.h>; J9 ?# f/ m! p- f4 Y- Z. ^
- # V* _ C, j. t! Z. u9 N) v
- typedef struct {$ t- U3 r- N& d( p4 ?
- unsigned int e2prom_cmd_sub_addr;
. B; b7 y: S' U - unsigned int sub_addr_count;
! o9 J' r) k3 B9 n8 E- x0 r) f. N - unsigned char* e2prom_cmd_data;& g/ H7 V1 M/ w' b3 x
- unsigned int data_count; L! C3 _+ j1 z5 F
- } e2prom_s_cmd;7 c, k/ q7 h% ]9 h' B) T: c
- / T% I( b) P) [; I; h9 T
- #define E2PROM_CMD_READ 19 {! H7 T: h5 Q; W4 M" V; e6 n/ R7 c
- #define E2PROM_CMD_WRITE 2
+ Y) H6 k5 b! N2 d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% P4 K/ F8 q6 [; l
3 }: q. o5 d) S# r3 A& N. A- static int readparam(unsigned char *mac, unsigned char *stbid)$ o1 I9 h }, q# |
- {: W e2 B v3 n8 v N! a) i4 I
- int fd, ret;
* }) t/ K0 D+ P: Y3 w - e2prom_s_cmd arg;
0 a2 I- U& [: J* W. r7 ^ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);( _9 j/ `* a" G8 o8 O' R% _
- if (fd < 0) {
& X1 W2 E+ ~% L2 r$ v - printf("Device %s open error.\n", E2PROM_DEVICE);
$ X8 o' s' i* w9 l9 Z: N% Z - return -1;
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- arg.sub_addr_count = 2;/ W+ r; I4 s/ w3 \9 `
- arg.data_count = 0x18;
( x7 Z$ U3 r" C. }+ N, ^ - arg.e2prom_cmd_sub_addr = 0x290;
( ~3 P7 D2 g: F - arg.e2prom_cmd_data = buf;
$ b5 G, [" F" [% v- G - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- o: X f$ z. s/ d, [2 r
- if (ret != 0) {; o$ J D) J' Y+ g% V2 t/ T2 N* U
- printf("Device %s read error.\n", E2PROM_DEVICE);
% Y9 E6 j1 F0 R" }8 b4 C - return -1;
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- memcpy(mac, buf, 6);" b9 B) P% R; [+ P
- memcpy(stbid, &buf[6], 18);6 V+ g* y% S4 n
- stbid[18] = '\0';
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$ n7 @) }+ B& |" W0 g- return 0;2 }0 W! x8 E, e v" @
- }
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6 c, `4 d0 ]7 T! ~5 h& i- R& Y. {- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 w' S: f \) q - {- \: R2 p& @9 |, G# s
- int fd, ret;# c' \- ?* P+ J' A- Q/ q
- e2prom_s_cmd arg;
% s$ J% W% h& `2 `' P - unsigned char buf[0x18];: B7 d: |/ t8 X8 I# u% X
: W1 [3 B' v" }) T1 R- memcpy(buf, mac, 6);/ R3 A3 Z) e2 r' J: M9 Z
- memcpy(&buf[6], stbid, 18);
5 |! Z- t* X. X; e$ h - fd = open(E2PROM_DEVICE, O_RDWR);6 v2 `+ w1 r4 h, q* H' g. n
- if (fd < 0) {1 ~4 N- Y: s7 b6 u( O! s
- printf("Device %s open error.\n", E2PROM_DEVICE);6 r2 K6 N: L. g3 S# H
- return -1;. H, w, j6 E1 y5 z# Q6 @, w
- }
: u- o, Y6 v2 @& _% s# j: z" x; G - arg.sub_addr_count = 2;
4 v% w$ } ~- |0 B - arg.data_count = 0x18;
, }2 g5 R4 w/ F. W* w6 e7 E* v - arg.e2prom_cmd_sub_addr = 0x290;) n* K& C; g3 }& f4 I
- arg.e2prom_cmd_data = buf;2 e: H# |; L% H& t6 w* Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" \$ M4 l2 d2 y7 o: V
- if (ret != 0) {( G- s H) a! V
- printf("Device %s write error.\n", E2PROM_DEVICE);: R& k* T( q$ d @9 o
- return -1;. s4 p, U. a9 C2 R
- }
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# q$ l" Q% T& {0 s- J0 r- return 0;
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- + ?/ F# a' J0 E' Q( y" E6 l
- int main()+ B9 }0 }. I6 }! X8 a9 ^' n
- {4 e2 j- I2 q4 N2 }% `1 u6 D4 u
- char c;* W$ @( f& C) Z3 n% z$ Y1 S E
- int i, macs[6];* c/ J8 w5 C/ F5 S) V3 \0 d; C* v
- unsigned char mac[6];. Q% k; ?' F9 a( b6 B( \' |3 L5 r+ u
- unsigned char stbid[256];
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9 g! [% c+ a$ q; w$ G n- if (readparam(mac, stbid) < 0)* s3 A( @& N8 G/ _# L. q+ Q2 g: N
- return 1;
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- printf("Current parameters: \n");8 m5 V9 W$ _/ W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) J& t* [: f- G/ F - printf(" STBID: %s\n", stbid);0 o7 p6 ]8 l, }! Q3 I: o
-
; e% z, B6 P) s5 _! I' R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, B+ }5 R. h- P- V+ C9 T. ?9 j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {6 s- t7 F" \7 v7 P' v
- printf("Input MAC error\n");7 C+ y+ n2 V& X% K( M9 d' z2 U
- return 1;, A$ V: h) G( z/ k/ k
- }
1 f/ h0 u3 R6 K: K+ x3 X- I7 { - for (i=0; i<6; i++)mac[i] = macs[i];$ S n$ N4 a( V8 {7 s% V
- printf("\nPlease input new STBID: ");2 ^# W$ t7 j6 u1 P
- scanf("%s", stbid);
* R8 J( }+ U( P! T. G - if (strlen(stbid) != 18) {8 Z% P, o, L( \) b3 z
- printf("Invalid stbid\n");
; L* z6 s) X0 F& T7 O - return 1;5 Y+ n, j: ]; O* d, S! A0 i
- }. P: {0 F' w& E3 B z. q" [
- printf("\nNew parameters: \n");
! D9 m F0 u8 N. v- m Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% H2 |, c% ^8 w- ?1 ]% @+ {: d - printf(" STBID: %s\n", stbid);% k) z% k$ a( t+ r5 S: E* Y
- 2 L. l; B# C7 F3 V8 l- F' c
- printf("\nDo you want to change paramemters? (y/N) ");; w4 R! v- F2 S; k O
- for (;;) {' W g0 K9 E& q0 v
- c = getchar();
6 o: Z, F9 q; f; X2 y; B - if (c == 'y' || c == 'Y')
' D# G7 C+ f5 U. Y" C& K) w0 b+ q - break;
: ^* z. A6 w- [ U3 a' C/ f# U - if (c == 'n' || c == 'N') {* i, K* h% }# r$ a
- printf("\nAborted.\n");
2 W2 }( q& \$ m7 k# | - return 1;
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- }
. `' D0 q5 F& M7 n- j - if (writeparam(mac, stbid) == 0) * {5 p- x0 H& T8 ^( e4 B
- printf("Parameters changed.\n");
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' q U; V+ q0 }- return 0;
* y1 Y8 a0 j Q, V9 j - }
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