本帖最后由 0522 于 2012-3-21 23:04 编辑
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8 q# a1 u! i( b; }/ Q8 w4 [' ]修改的代码早有了。到今天不会编译。 G- b; `9 k7 I6 ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 W! o' ]8 D) c. Y0 N, w* l - #include <malloc.h>1 M# L5 W8 h p8 |
- #include <sys/types.h>! p- c/ b% }5 s( U; B9 q* k& d9 I
- #include <sys/stat.h>
" M* `. [" B& Q) G/ @: O2 u5 ? - #include <sys/ioctl.h>; b& w' J( X. k% A
- #include <stdio.h>
" d0 m$ K( H, ^1 G. k - #include <string.h>1 _3 o. k; ~- G- C' `2 H {
: l/ e9 W) N! Y" e ^- typedef struct {
?4 m. }9 a- ~ - unsigned int e2prom_cmd_sub_addr;
7 C2 W; ^; N- L6 D& M5 S - unsigned int sub_addr_count;# W$ e8 L) n" s0 e
- unsigned char* e2prom_cmd_data;5 t2 {+ b; ?) Z1 n* H0 K9 T
- unsigned int data_count;
6 |, I n1 H t; h$ R - } e2prom_s_cmd;
# Q0 V$ S8 ^7 }# v
9 ^6 e, q$ r: }: ]5 k3 B- #define E2PROM_CMD_READ 1
, l! b, ~# D" @6 n B t - #define E2PROM_CMD_WRITE 2
! L/ z' [0 {! s5 a8 i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. @; B' r3 X7 V- }
! I+ R2 \& R- v+ X8 ]3 F7 t- static int readparam(unsigned char *mac, unsigned char *stbid)8 b# u4 E; S- x% s {' D; K
- {
& }7 C7 p2 q1 o1 {( n - int fd, ret;
- f8 W0 P" Y: M- | - e2prom_s_cmd arg;
4 b. I4 `2 z$ |4 `8 W. f1 j: M2 P; C - unsigned char buf[0x18];
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: k6 R* J/ U* p' k, B# \+ T9 q, O- fd = open(E2PROM_DEVICE, O_RDWR);* i6 G& P- q$ n2 R3 j
- if (fd < 0) {7 c# O; N+ V) ?* V, G8 X2 D
- printf("Device %s open error.\n", E2PROM_DEVICE);5 R- C$ C! ?! S v5 t' s7 A6 E6 U
- return -1;, O) @& {; l" x6 ^6 B. G, q/ e- P1 s
- }
0 C8 s" r3 q6 V# o% y# x - arg.sub_addr_count = 2;
0 Q, G+ n4 H% ]2 l! p8 r - arg.data_count = 0x18;
U- f6 [7 J/ t2 m+ t* x - arg.e2prom_cmd_sub_addr = 0x290;
) D# U k" {3 q7 U0 Z: \# Z [ - arg.e2prom_cmd_data = buf;+ I8 s( [$ k, Z! o: V& X h5 V
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" w: D% z6 {3 m5 v
- if (ret != 0) {
& C. y' n+ S5 e0 I( g' z - printf("Device %s read error.\n", E2PROM_DEVICE);7 Y0 i6 H; T. y
- return -1;
1 m4 d' Z$ Q: K; ]' B7 p7 A4 } - }
, W* L/ M' J+ O. q- T3 r ~ - memcpy(mac, buf, 6);" G' W) }6 W: t# Q1 h3 T
- memcpy(stbid, &buf[6], 18);) U* B* P. F0 A2 a3 J. C Q
- stbid[18] = '\0';- \( B @, G! G8 j8 C
% r6 l) f# F4 x/ I- return 0;
+ ^% Q8 \8 D8 u2 P - }
6 ]( M) w4 T0 z) t9 z( q# c8 U, r - ) ?4 ] D9 S ]; }
- static int writeparam(unsigned char *mac, unsigned char *stbid)
) K9 H5 M8 s p* G - {
9 f- G% G3 Q! d" ^0 P4 h4 D2 m - int fd, ret;- w. w& M6 C. [8 w) O& k4 g; X
- e2prom_s_cmd arg;4 E5 f1 p( c8 o1 G2 u
- unsigned char buf[0x18];, Q$ T' j1 E- L+ z; B, E* v
( ^+ A( `, p4 h9 }- memcpy(buf, mac, 6);" [. @: A6 h( f" E8 |
- memcpy(&buf[6], stbid, 18);
! R7 G# s i6 j- E) U - fd = open(E2PROM_DEVICE, O_RDWR);# l; r/ R7 ?4 F" V ` \
- if (fd < 0) {. |# D, D k" b* c) y% e; I
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 q7 B( S* Z! N) w0 F( F# j - return -1;0 t! o- n# {0 o: k, X0 F6 Z% ?* o# f
- }
; @8 Y5 R' J! q. Y2 X; w: } - arg.sub_addr_count = 2;
5 }5 J7 Y5 J1 c. w/ } - arg.data_count = 0x18;
2 l6 o; ?5 a p! ?+ g; R3 I - arg.e2prom_cmd_sub_addr = 0x290;
( M# x" z2 `6 [: D! N( d: e: \ - arg.e2prom_cmd_data = buf;, t0 ~! S* r6 u. L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* X9 d/ T* Q7 p/ A - if (ret != 0) {
9 x/ ]% I! b( f% R$ s( ]- l - printf("Device %s write error.\n", E2PROM_DEVICE);
. r# S2 C/ x& L8 K" E) p - return -1;' K7 x- J% @7 E, K& S
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2 y6 p9 e4 L7 {! A- return 0;
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1 J$ c2 _0 ]& u L- int main()
: _# b# W6 a5 P0 g( x+ p+ w - {% @9 G; ~, h4 j6 }" [1 L, }
- char c;/ G1 B' f, q6 F8 x
- int i, macs[6];
; _: f% c4 C4 N. w! _* c - unsigned char mac[6];
+ h/ }+ A! o5 R - unsigned char stbid[256];8 G4 t# `" E7 z! T. }7 V
- 1 X+ V9 X& B- N- h
- if (readparam(mac, stbid) < 0)( ]. V+ Y; G" X3 m
- return 1;- `# W, l& N9 C: d
, Z% y" X8 K3 Z% b' y- printf("Current parameters: \n");
) |4 z) X; `) G7 f0 }8 k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ U% Q8 e! w8 Z2 ~ - printf(" STBID: %s\n", stbid);
# r, f9 d: t* g8 s9 f: W) [ - & C5 o t: X/ F9 X, P1 j# p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) d! `/ }6 J1 R! O2 A( S% L6 C/ p
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. S+ h3 h" X. ]2 p( S" W- [ - printf("Input MAC error\n");! R4 a# a4 j6 f* f) \: e% R3 z
- return 1;
# ~. }* D' e0 \ - }& v+ Q7 g. z/ h+ t u# z. h! f
- for (i=0; i<6; i++)mac[i] = macs[i];
$ I7 q! O! u* ^7 i - printf("\nPlease input new STBID: ");
2 R" r8 A8 c4 R. g2 k - scanf("%s", stbid);
8 A* @0 K0 `2 m - if (strlen(stbid) != 18) {' @/ u5 L0 W3 a* d
- printf("Invalid stbid\n");
; g& l0 H* h) U - return 1;
* V3 E5 _3 H! }! k - }) T9 m0 J7 {* h* W3 j; @
- printf("\nNew parameters: \n");* `1 M- d y4 j$ a4 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 ]6 }8 g* E0 l# q4 K/ { - printf(" STBID: %s\n", stbid);8 a6 {2 V1 |9 h. i# v( F8 [
# X# e. w7 H9 W3 r$ J, J/ t# A- printf("\nDo you want to change paramemters? (y/N) ");0 {- m, q6 V" ]/ f0 w
- for (;;) {
: C* h- H% E: x9 G& J5 t - c = getchar();' H. m# c) J4 g, w
- if (c == 'y' || c == 'Y')
+ g3 V9 t- {+ o# {4 [ - break;; w$ [8 R% G( |5 U" t" t7 G, [# I
- if (c == 'n' || c == 'N') {
; k7 I2 S4 F% K% A { - printf("\nAborted.\n");+ n! N" _6 h# w4 }( l4 a
- return 1;
( c" M z( T* U5 L( M* P0 ~2 R% Z - }7 z' S) h% e% y. ?8 z* G* r6 Z
- }
$ D' Y* Q7 }' V - if (writeparam(mac, stbid) == 0) 9 ^! v- Q* F, \1 z, l# ]! o
- printf("Parameters changed.\n");6 ~" l: G' d' q% d$ [6 Q- J
" b, m3 T+ H' E3 D/ ~- return 0;
w5 c" ?: e: I2 U - }
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