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。$ b6 v9 t2 X+ R' d2 C6 I& r7 _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& {, s: k- n6 O v# w% B - #include <malloc.h>1 h' P X& Z8 s: P- T# P
- #include <sys/types.h>
3 |0 y/ }* h% ^# S7 i - #include <sys/stat.h>/ i+ Z- U) [) o% f
- #include <sys/ioctl.h>
4 y- n6 U9 g. q( j( |7 G - #include <stdio.h>
; m& c0 k( Y. n- Z: q - #include <string.h>
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- typedef struct {3 U. L2 d& g/ m- L/ [6 t: W6 i
- unsigned int e2prom_cmd_sub_addr;
( U L4 \8 i" z2 E7 ? S/ s - unsigned int sub_addr_count;
: j" E9 E1 M; L5 w6 y9 H! M7 Y/ o - unsigned char* e2prom_cmd_data;
3 \. Y- ?# X& U/ J$ v - unsigned int data_count;
# J# h5 j; j+ a' w( r - } e2prom_s_cmd;' {2 ]% F z; Y
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- #define E2PROM_CMD_READ 1
}$ t0 c" V( j F - #define E2PROM_CMD_WRITE 22 m; _1 x7 g. B' Y2 m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)2 w' T& C E$ P6 [ C+ m
- {
- I# X, Q7 P8 [+ [+ _+ G0 Y - int fd, ret;4 ^8 L {- R) i8 p( v# w- v
- e2prom_s_cmd arg;0 f1 _% s! |. F$ [! A
- unsigned char buf[0x18];% b" R$ p j: l/ S0 ?) K: T
2 }2 D8 V" t9 T( _; R- fd = open(E2PROM_DEVICE, O_RDWR);
5 A. N5 X! A( Z" D+ s - if (fd < 0) {, h" `- ]+ t: B/ b
- printf("Device %s open error.\n", E2PROM_DEVICE);) ~0 A% _; h: l2 `& U5 l% ^
- return -1;
) _4 x. O) Z' p - }
+ _' s8 R5 Y' z+ r5 g/ X0 e - arg.sub_addr_count = 2;
" B& s+ _5 P0 ^ - arg.data_count = 0x18;
8 D7 q5 V" W+ C1 G" J/ n( {1 n - arg.e2prom_cmd_sub_addr = 0x290;
( ~( ?# P- T. z& `' Q) W - arg.e2prom_cmd_data = buf;: [. \+ P9 D m8 O/ v5 k4 {1 |1 ?4 o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. s6 P, K/ b0 b' R; m( y% V - if (ret != 0) {+ K" [8 |5 }5 k5 w0 G5 m
- printf("Device %s read error.\n", E2PROM_DEVICE);
; |6 b; T: `& a, S+ d - return -1;3 V4 @7 @; x* l, a
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- memcpy(mac, buf, 6);7 |. _0 u! s( @3 k! W0 V
- memcpy(stbid, &buf[6], 18);& P+ R+ ~/ r& n
- stbid[18] = '\0';' U3 m4 { }0 f' h
: X% r8 f. H) c3 E$ ^0 h1 O+ e% P- return 0;# k' M. e& n" r8 Q! ^1 [* ~3 z( z
- }3 m- Q% {* R( h' k3 {
- 1 W$ i+ d0 h6 [5 W7 b* b
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
: r- | _8 k- `0 X' r& ]+ J - e2prom_s_cmd arg;
0 F7 h2 m! `' N2 V; q7 S - unsigned char buf[0x18];" L; }) h% L7 @9 v2 g! m) x1 m$ E
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- memcpy(buf, mac, 6);
; R/ V8 a0 O5 e$ ? - memcpy(&buf[6], stbid, 18); Q. V8 _ t9 ~) h# H) `8 [! M( [
- fd = open(E2PROM_DEVICE, O_RDWR);# [9 P4 F4 n. ]
- if (fd < 0) {( b5 W8 i6 ~3 I3 Y
- printf("Device %s open error.\n", E2PROM_DEVICE);# s; k B H+ V! X+ K
- return -1;
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, k0 T; e9 H' J. R8 Y - arg.sub_addr_count = 2;, z: r2 {6 ^8 o- t; B: ~
- arg.data_count = 0x18;0 U, Y; s8 R) u
- arg.e2prom_cmd_sub_addr = 0x290;0 R; d/ G# X+ B6 C1 ^
- arg.e2prom_cmd_data = buf;
- r2 j6 i1 L4 f8 W: w" O, K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' O4 [% p2 l/ H. r
- if (ret != 0) {& X0 H z. X% k3 q
- printf("Device %s write error.\n", E2PROM_DEVICE);+ Q; |/ d* C" O8 g- y) y7 C
- return -1;& N5 I+ w2 n, e/ w/ e+ V
- }
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# H, J( ?$ g1 H5 [4 ~' J- return 0;# D- t. O& b% r1 k& ]
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- int main()8 P9 Q7 M b0 ?$ @, y5 m
- {2 K1 H5 ?9 }/ ?/ y: b
- char c;
/ [" l b; ]' T6 y: i - int i, macs[6];8 W. x2 K1 u) x4 u
- unsigned char mac[6];
1 L: C" }9 E! t - unsigned char stbid[256];; J5 I0 f2 a" h2 m1 p2 L
( O; `/ ?" r* m/ s+ p$ C/ H- if (readparam(mac, stbid) < 0)
; b& t: O4 P0 l4 V. r - return 1;
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- printf("Current parameters: \n");5 D7 C7 k% ^# z" k, P; _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, r# n. _+ |! @- C - printf(" STBID: %s\n", stbid);; `6 g& x4 k$ ?) @
-
7 P2 ]4 y4 w, @( G# f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% o3 E" m, c: z+ v4 d$ D0 T
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- ]& N8 j8 b7 _; Z- n - printf("Input MAC error\n");, | J$ B: {4 Y8 U; g
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];. W6 P3 S. l" J7 E4 h
- printf("\nPlease input new STBID: ");
1 u9 u P, v: i/ b - scanf("%s", stbid);- j8 N6 K6 s% ~$ ~, f. F$ W
- if (strlen(stbid) != 18) {
4 Q7 ?4 T$ B1 D% g) z! j0 E - printf("Invalid stbid\n");
! e4 j9 e5 O% m y# x1 [ - return 1;
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- printf("\nNew parameters: \n");5 N% f( s% s+ I5 M- u! r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 Q2 q& n3 }, \# H! k5 d - printf(" STBID: %s\n", stbid);5 O9 |4 j! m- n- O) V5 D( ^
- # i$ s6 ]! X M
- printf("\nDo you want to change paramemters? (y/N) ");
8 l O4 K3 m4 p7 @$ u b% [4 R+ i - for (;;) {& ]: }' \" p5 l$ h. |
- c = getchar();# W* W. |( [: R0 b, {1 ?3 h
- if (c == 'y' || c == 'Y')2 n/ v+ B' u2 ]% U
- break;
; @) E4 V$ K# W$ ?$ [; K R8 C/ S - if (c == 'n' || c == 'N') {& v, T% G- v8 k [- G9 U2 r9 u( B
- printf("\nAborted.\n");5 b% \7 Y/ J, L8 b* \) d. D& J! M
- return 1;
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- if (writeparam(mac, stbid) == 0)
. Q. s8 t6 F6 h# {+ n% Z - printf("Parameters changed.\n");
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% i$ U. X6 o# o9 j$ n" u- return 0;
5 E; C! [; M8 r$ y3 O, } - }
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