本帖最后由 0522 于 2012-3-21 23:04 编辑 ' t4 g' Q. [4 p9 _' [5 K5 [
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修改的代码早有了。到今天不会编译。* ?2 ]# {; c( B) Z7 Z/ n. r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) _0 r3 { }# w9 y9 P ]
- #include <malloc.h>
: K p" {' y3 J% g, W, n+ ^ - #include <sys/types.h>; h& U; u2 M& n+ m
- #include <sys/stat.h>$ t# h' F: D6 Y. B" g; M
- #include <sys/ioctl.h>
" b' @" q- ~; {* x1 e+ V/ T' L$ z2 x - #include <stdio.h>4 J& ^" z- B7 v4 a6 c
- #include <string.h> R- b9 W Y2 S8 S+ R
6 S8 R: x! W& l) s2 d( V; N! i; h- Z3 m- typedef struct {& L+ U+ M2 ^. G
- unsigned int e2prom_cmd_sub_addr;/ Y) _* r$ |$ l- Y6 @. C5 g
- unsigned int sub_addr_count;
# b" h6 W+ ]9 b. t2 y8 J0 ] - unsigned char* e2prom_cmd_data;
* }, w/ [3 h7 d2 a" e9 P - unsigned int data_count;4 N# j* l: L" A: D, L; @' p5 H5 Q
- } e2prom_s_cmd;
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5 C/ O6 U/ ?6 {1 g" Q% u- #define E2PROM_CMD_READ 1
3 t( t' f, k1 \ - #define E2PROM_CMD_WRITE 20 r2 t! n* f& F8 {
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
2 r+ D& b+ I0 B! s6 V* | - e2prom_s_cmd arg;5 b+ `( e+ B7 q/ F8 T! Q& [
- unsigned char buf[0x18];0 u# M8 ~( U5 H1 R! m2 E
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- fd = open(E2PROM_DEVICE, O_RDWR);
% v, n: Y( y* l' H o* c - if (fd < 0) {
+ o* A& p* `5 d$ k- \: U - printf("Device %s open error.\n", E2PROM_DEVICE);
; l9 T6 V9 x/ l3 H1 g2 n - return -1;
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% b4 {- Z7 q2 G; T: @, P- D& x. Z7 u - arg.sub_addr_count = 2;5 M9 g! h& b* P
- arg.data_count = 0x18;# q3 Q+ ]: a' Q7 h" P1 V
- arg.e2prom_cmd_sub_addr = 0x290;
4 |, F' c. B2 C# H - arg.e2prom_cmd_data = buf;8 L( D8 X: X* S$ Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- r, g5 h$ b1 r% d- Z* c* y3 _ - if (ret != 0) {- G; K2 `2 n9 P7 h
- printf("Device %s read error.\n", E2PROM_DEVICE);
9 M( V# ]9 T3 ]# k y+ x% @4 @ - return -1;
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- memcpy(mac, buf, 6);' n; c4 c; L! j( C& X5 A. q
- memcpy(stbid, &buf[6], 18);
$ a" C9 _& r/ T* Q& U% B - stbid[18] = '\0';
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; m% F) G) e$ n- T! x) H2 E+ m5 p- return 0;, n1 |7 {# ?3 i/ G* g. N
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 u: I ^6 x4 O# k/ Y1 [
- e2prom_s_cmd arg;
: l, V7 ] a% |6 z, t. U - unsigned char buf[0x18];" h# x- R+ p# }0 s$ z% Q9 S
! ]; I9 b* l8 b- memcpy(buf, mac, 6);
- Y" X6 y: D+ O& }% ~0 M - memcpy(&buf[6], stbid, 18);
$ m9 c8 ^% ^1 j6 {; d G5 ^/ u - fd = open(E2PROM_DEVICE, O_RDWR);
7 q) U- I# ~3 ?9 @ - if (fd < 0) {% @% e: b" w& l) h
- printf("Device %s open error.\n", E2PROM_DEVICE); R+ h1 F$ j: E+ t" t7 I
- return -1;
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- arg.sub_addr_count = 2;* f( y3 a# u# b/ v. s l0 Y5 ~
- arg.data_count = 0x18;# M: G# N: l1 Y" `0 q! B0 ^
- arg.e2prom_cmd_sub_addr = 0x290;' t8 R O/ L7 k& m2 T+ e: W
- arg.e2prom_cmd_data = buf;
4 |, N3 l+ U, ?5 _) }: s g" b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# ~' n5 C: I7 c- ^% @: Z - if (ret != 0) {
# L2 w) l1 {' E - printf("Device %s write error.\n", E2PROM_DEVICE);
; m2 Q. @ }% c8 Z6 h - return -1;
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- return 0;$ ], i2 ?, e ~3 F: {' R
- }
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) i& k. `8 O+ t2 G- int main()
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- char c;
* x. c# B* c4 I2 D0 o5 g$ G8 D% o - int i, macs[6];" u* B, E) ~$ F; X& L
- unsigned char mac[6];
/ p; \5 W7 o' ]) W8 u1 p& u! P - unsigned char stbid[256];) ^; I9 M+ r1 m. |3 m
- ' R8 f# j" z. K0 C; E# p
- if (readparam(mac, stbid) < 0)+ Q" ~2 j) K; y$ b& D. [% x
- return 1;# |4 V( w! \0 ]" z% H i
- ~; D+ i, I0 t' w Y8 l- printf("Current parameters: \n");
, v% l# J# F9 B, k1 [0 s - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 F6 Y6 {6 X! z% s6 ]2 W2 V - printf(" STBID: %s\n", stbid);
# y0 F! `0 C" v! `. Q: M -
3 V8 B4 l) S" y1 f* V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ `, y o5 `5 B7 J8 Z' ^ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 k1 }- G7 j" [% c" j4 g - printf("Input MAC error\n");
, I/ w: l4 [2 Y* g% M - return 1;+ Y" z% Z2 S) \5 v
- }
; _8 e% z7 K5 H9 l" R - for (i=0; i<6; i++)mac[i] = macs[i];
0 Y+ @0 }6 Y! t) Z - printf("\nPlease input new STBID: ");, a# n0 g1 i2 l& d3 q8 F; t& X
- scanf("%s", stbid);
d `4 b9 `6 w/ s - if (strlen(stbid) != 18) {
3 z9 H/ R1 {, w+ w O% ? - printf("Invalid stbid\n");4 n4 Z' H0 I4 d5 [$ e q
- return 1;! [! B7 a; ~1 F, ]
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- printf("\nNew parameters: \n");
0 v f _* M+ p; ]( E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ m. w+ h$ f. P- L: ?8 U
- printf(" STBID: %s\n", stbid);
- y. _2 g" f5 e) D0 T6 I - & f6 t* R* [! d# V8 Y9 {
- printf("\nDo you want to change paramemters? (y/N) ");
* n7 n+ E" M Z% j# H - for (;;) {
7 _$ t+ T+ G) R6 I" q* B3 s; \ - c = getchar();
8 Y% N% o9 W' Z8 Q' E - if (c == 'y' || c == 'Y')% c$ R. @4 n' k: N
- break; q0 v1 ~- u! E
- if (c == 'n' || c == 'N') {6 W; ^- m) s# J+ e. A
- printf("\nAborted.\n");
2 l ]4 s( _+ H1 f4 h- O$ ~ - return 1;
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- if (writeparam(mac, stbid) == 0) # E1 ]4 P4 M' d6 ~* ^
- printf("Parameters changed.\n");0 F+ T7 i9 F4 k
1 V$ B: c3 P7 X/ r$ h. F6 d' f" b- return 0;
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