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。8 F3 Z+ s; M( O0 m% ^5 |; _" E
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! g1 P+ U; @. |! R# s2 p
- #include <malloc.h>
. [( l3 [4 C0 @" n! M% ^ - #include <sys/types.h>/ G9 u" H" o. i/ \
- #include <sys/stat.h>: _4 j# U! w* ?2 f+ M" S& v% q
- #include <sys/ioctl.h>3 x2 @. `" w& @2 M% u! a
- #include <stdio.h>
% i) x- K8 u! \/ [5 } - #include <string.h>
- P/ v# r A+ A3 d% `
, H) g+ p6 {: a. u- x- typedef struct {
; `! W/ Q1 z. t" f - unsigned int e2prom_cmd_sub_addr;7 V+ N! P/ p+ b( ^+ s* I
- unsigned int sub_addr_count;
# S9 z* M/ r# I/ w5 W- n1 X A - unsigned char* e2prom_cmd_data;
2 M$ K4 u0 V5 j- h1 r b - unsigned int data_count;+ D) S/ \* |7 S1 d5 W- Y* Y
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
9 c8 z6 n8 k# U0 ^) Q - #define E2PROM_CMD_WRITE 2
1 d" ?( G% C7 J4 r5 u: v2 O. i1 a - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- Y6 c6 ?3 {" A* G7 H n9 }. l2 `3 k
- . B0 H) j, G% M, T2 J* I
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
. V0 ^, X* V% O# z - e2prom_s_cmd arg;! V d$ i. }- r" {8 L4 @
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 D% l9 ^ J3 N - if (fd < 0) {3 e: U2 I$ x4 [; Q9 X B
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 b3 ~4 v- q" o1 b9 q3 D* [ - return -1;
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- arg.sub_addr_count = 2;
% G* j) f1 M- z& l4 ~ - arg.data_count = 0x18;
% S/ a+ l1 V0 W7 E - arg.e2prom_cmd_sub_addr = 0x290;
" g9 V6 P+ [( S; X. ^: A1 T3 I - arg.e2prom_cmd_data = buf;# ~# q& n$ `# n4 e. S
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( ~ b* ?3 }+ O7 F% }* C/ b/ e
- if (ret != 0) {4 D) Y* e& N; q/ [" a& E
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ y. N9 k+ G L6 [2 {0 T - return -1;
6 Y. s+ v! y3 U4 v& H9 F) W - } S/ b$ c9 \- u0 \+ p3 Z/ |! ~+ H' ]
- memcpy(mac, buf, 6);
, T# f, [5 u% M* E0 M, N - memcpy(stbid, &buf[6], 18);% ~2 C: F6 |1 b) [1 C1 v3 n: W
- stbid[18] = '\0';
- U5 J7 s& Q. L3 N8 `
0 K+ N$ L- Y6 }' y% @' g; G- e2 A- return 0;. ]4 ]$ [ `$ x e# K
- }
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$ I8 y# g. |: D+ i W; `9 x- static int writeparam(unsigned char *mac, unsigned char *stbid)
) G) A) M$ R! V - {
, C K* p. V: l8 R/ C9 p - int fd, ret;3 b' h9 p7 j3 @9 ?* W
- e2prom_s_cmd arg;
) b# z* ]' w2 \( i0 j - unsigned char buf[0x18];( _) v9 d' L9 p( O! X% J. \
- 7 V V+ l% i2 `
- memcpy(buf, mac, 6);
7 g2 m7 ]8 }% D# i9 A# N7 y$ p - memcpy(&buf[6], stbid, 18);
% k1 y8 @" t. w Z% ]: S4 D+ X - fd = open(E2PROM_DEVICE, O_RDWR);6 H0 K: u1 E' {& D! t+ ?
- if (fd < 0) {
/ M4 J( O8 D" h+ I& R* R5 l, c - printf("Device %s open error.\n", E2PROM_DEVICE);
0 L1 h4 A6 Q! B - return -1;
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- arg.sub_addr_count = 2; w1 i2 ~% ?5 q+ c& D2 X
- arg.data_count = 0x18;
; R" D' H( |4 A) B! c! q - arg.e2prom_cmd_sub_addr = 0x290;
! U% x8 z* _* Z- y - arg.e2prom_cmd_data = buf;
" z! @9 O$ S" c# _; D) o1 d6 E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ A" y0 V- L. Z8 b6 z - if (ret != 0) {
0 [6 ^' H4 [6 g) l( c4 }0 Z7 B - printf("Device %s write error.\n", E2PROM_DEVICE);
% z8 t0 J/ c, V9 ~- r. X - return -1;8 q$ F1 m0 m5 g
- }
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) R4 k$ U4 ]. j. C- return 0;1 q3 d. d: u* W a$ l6 S6 u
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' P/ H5 ~7 Q1 |' t% S' H- int main()
8 X- U K! T. T. v' M - {
& |3 O5 P# B [7 k! U - char c;
0 Y& C4 @7 {( C) C9 m3 l1 _ - int i, macs[6];
1 x$ C# L" m' @2 R! k# Y - unsigned char mac[6];7 F9 b4 \ l" {, A
- unsigned char stbid[256];7 p" Q, p% ^( F2 ]+ |4 r0 N' a
2 D- g8 ~9 T( w- if (readparam(mac, stbid) < 0)( m: }) d; k; J! t# d8 k
- return 1;) }' S, i5 M6 M0 Z. R3 g
* \/ [! v. c& i* V8 T0 D8 B {- printf("Current parameters: \n");; _+ z+ g8 k8 l5 m, B0 ~6 l7 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( _9 u1 ~" I" i0 Z$ S - printf(" STBID: %s\n", stbid);
9 ]6 }9 J7 Y u# @ - % a- }1 V+ ]- ]! Q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 X' _3 F' Z3 a9 ]# D
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" R: O7 U& s0 ~! Z
- printf("Input MAC error\n");' j+ U' G/ K2 {% L( t
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];8 t) g# [% P" M8 [" G c5 _
- printf("\nPlease input new STBID: ");, g% k: s& B/ O* J+ e7 Z7 h
- scanf("%s", stbid);
/ Z. t; j0 G- T9 {3 {5 s. ? - if (strlen(stbid) != 18) {
) V" S5 ^* V$ m4 K, j - printf("Invalid stbid\n");
! |& K6 n0 w4 o3 l - return 1;
! p4 @4 t7 v J5 b" ] - }
! F! G6 }; k9 d4 n - printf("\nNew parameters: \n");
# w1 Y% `# o. a# Q; o9 p3 g, K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 w3 J! L- N9 A, w- t - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
' I& x& S/ x0 Y - for (;;) {
8 _2 U, z8 r& T, y. {5 V - c = getchar();
1 G, F1 K; g# F& f. j( r' F - if (c == 'y' || c == 'Y')' n" S$ p; ?/ R
- break;
' j# N* G) i, t, d- S3 b3 Y - if (c == 'n' || c == 'N') {
' W. _0 u7 F" u6 w4 I5 H - printf("\nAborted.\n");8 K; _' w; Y/ h3 K
- return 1;
+ N) L. }, \! ]( W - }
( y8 s: q8 K* S ?8 t - }
$ l; J, O$ B8 n$ D4 g5 [, r - if (writeparam(mac, stbid) == 0)
1 N3 N0 M3 ~# G$ Q: S0 c2 I4 Q - printf("Parameters changed.\n");
3 h& g( M8 x0 o* n3 B* _ - - u2 h% V6 f( {- ^
- return 0;
' m0 b" t# p& P/ o1 q9 e% P, z0 _ - }
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