本帖最后由 0522 于 2012-3-21 23:04 编辑 ' e4 O% b3 ?' m" B* U
: a/ {5 o7 U. ~# f( \! u修改的代码早有了。到今天不会编译。0 m+ M' Q1 `5 ?& X
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, g, ^/ D% z( o6 y2 i - #include <malloc.h>
9 u% e7 q+ O& f, K - #include <sys/types.h>
, h0 T3 {; P2 b- | - #include <sys/stat.h>' s/ N0 ~+ @/ [0 N
- #include <sys/ioctl.h>6 g v7 H# Y( m9 H; `1 N
- #include <stdio.h> a9 J9 d6 Q1 Y' A6 {" Z0 b
- #include <string.h>' D8 Q' O5 b/ t" l/ K8 h
0 Q2 I/ s+ h' Q1 W- typedef struct {
/ u P) K6 w3 z6 M5 O - unsigned int e2prom_cmd_sub_addr;
: Q4 y5 ]$ H ^0 j) _- y. V - unsigned int sub_addr_count;9 q+ D v6 _4 y8 Y& p! p
- unsigned char* e2prom_cmd_data;
7 ~" R9 K( j; J, b, `; V% p& J% `/ v: z - unsigned int data_count;
& m1 ^( G6 g0 ~$ g& H3 S% p - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 16 ^" C* j. z& i
- #define E2PROM_CMD_WRITE 29 N' f0 [# z; {( ~% T' g
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 r8 d" _3 I0 Q- ?+ q7 \7 N. c
- ' I2 M* V! L2 ^8 G; H) b
- static int readparam(unsigned char *mac, unsigned char *stbid), n! X* i+ n: q0 Y# C, H0 [
- {
z' z7 p9 S% H - int fd, ret;
1 A8 @! o$ d5 ^2 h/ o: H - e2prom_s_cmd arg;
6 b' D7 ?" R8 u7 p - unsigned char buf[0x18];% ?4 W* t W+ o7 t0 D
- ; B0 Y6 o+ s9 E3 H4 {
- fd = open(E2PROM_DEVICE, O_RDWR);3 W* |$ H3 e- q; I! z
- if (fd < 0) { _4 ? ]% K$ B9 D" r% X" w( n
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ R6 P j9 b7 i) A6 N6 Z B& q - return -1;
7 G0 j" G( k2 h( w - }
( H% U* f9 ]2 ^9 ~, \ - arg.sub_addr_count = 2;
, h* K+ ^ J- i1 w8 B4 n$ R# i - arg.data_count = 0x18;
a4 g" `) G8 ], j& ]. O - arg.e2prom_cmd_sub_addr = 0x290;2 j9 D8 q& ~3 ~! r! i/ b! E
- arg.e2prom_cmd_data = buf;/ q3 z0 E$ M0 @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 U( S) p) A$ X" s: ~' z
- if (ret != 0) {* I" d$ @' J3 m2 |- g
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 e' [; L Q8 b0 J - return -1;
7 e9 G: }2 e& X% o# u - }2 q B% U# G( d
- memcpy(mac, buf, 6);
% U0 P3 t% u0 L i" U6 {1 M* y - memcpy(stbid, &buf[6], 18);
# G+ R$ t0 `9 ` l9 n - stbid[18] = '\0';2 L- c W, b0 x% ~7 Q
- 5 J& b4 K! c3 N4 {
- return 0;
. p% e R. p7 r - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)2 D& B( N6 A; C* R% D, m. }
- {
. \' k% _# k* T6 |3 F- r - int fd, ret;; J! ~6 c6 z3 h
- e2prom_s_cmd arg;7 f! b `- ^9 M
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
: V$ B1 }) l7 N& ~ T3 \ - memcpy(&buf[6], stbid, 18);
, K1 C9 |7 _" y8 { - fd = open(E2PROM_DEVICE, O_RDWR);
6 H2 C, |5 Z0 [( i- N1 J, y, W2 } - if (fd < 0) {
/ U$ z8 s9 w* n% { - printf("Device %s open error.\n", E2PROM_DEVICE);
( P- C' }- }3 E0 b, U - return -1;6 n& Z6 R4 K0 z7 G" m
- }" b4 p% `- y2 P u, ~
- arg.sub_addr_count = 2;
! d4 B) {( w3 {, \3 L8 w1 A - arg.data_count = 0x18;; O' ~- b/ _1 {( N1 H
- arg.e2prom_cmd_sub_addr = 0x290;
! ]* q# \5 q% `: B0 @4 | - arg.e2prom_cmd_data = buf;
3 ]& u, }4 E$ ~6 a: z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; j$ L( i6 M3 g - if (ret != 0) {
1 S. ~' g2 A1 C# i! E$ u - printf("Device %s write error.\n", E2PROM_DEVICE);0 K& z3 d0 i7 g4 h4 P# Y
- return -1;5 q$ A3 B! O0 R% [) R
- }
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1 ]! Q: [4 m6 _) c0 S' L1 h% E- return 0;8 i$ M. y4 t' |8 a) i9 q' c
- }
- _6 s! h- `1 M: a
# c. K0 T* ]* y- P) x- int main()2 t$ f {: z1 u* O" I, f8 n
- {
* E: z9 W- y' w) T' h8 P% y Y. L - char c;
3 f- h( A# a ~' y* k3 l+ b- Q - int i, macs[6];
# `& K; {: N. m$ `. I# ~: O/ R" \ - unsigned char mac[6];' ` ~- A; k* Q$ K
- unsigned char stbid[256];0 v0 I6 d3 @9 z- w; {( N0 s+ Z' B& @/ H! ?
- , R7 \8 \8 q5 F1 ~- K& e @
- if (readparam(mac, stbid) < 0)
8 L9 K7 H% u% ]5 W - return 1;2 J3 e/ v6 L4 C2 ]& o
; a- e! ?' m6 D: I [- printf("Current parameters: \n");6 Z, l1 g; D4 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ l$ U2 h+ n+ k1 l0 c7 d. E. F& T
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 [! e- E7 H5 P1 V6 v% c4 t, l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
D, f6 h; J- e - printf("Input MAC error\n");
9 f. @3 Q* j( `. f/ V - return 1;# m0 H# q( V0 I% S8 i6 Q4 f* _5 }
- }
f6 ?5 p% Z# ]4 [* ^2 I6 ~ - for (i=0; i<6; i++)mac[i] = macs[i];
/ }3 Z% u0 Y( q/ i* z( t* K) V - printf("\nPlease input new STBID: ");( G6 M( p2 K% k) W) h
- scanf("%s", stbid);
6 a x/ x. P1 p- k% u- j) n - if (strlen(stbid) != 18) {
3 ~1 x$ S2 N" w4 R - printf("Invalid stbid\n");" ~5 m7 c* I6 O( P- @4 u/ J1 e$ m
- return 1;
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- printf("\nNew parameters: \n");- @' k2 G j4 u$ ~/ w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# W, Q2 W6 |2 w. [. F - printf(" STBID: %s\n", stbid);
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, w" }$ Q+ q0 ?, P( j- printf("\nDo you want to change paramemters? (y/N) ");" {$ ^: @3 R0 P- B
- for (;;) {
) s) G) ^# s( E# o% ?6 z3 d1 D - c = getchar();
+ ]0 C) Z* w: ^- ]/ b - if (c == 'y' || c == 'Y')
8 r2 }1 j) N) k, B* F& j- ?7 b - break;* M' _. } Z* L0 R5 F; l- q
- if (c == 'n' || c == 'N') {
. b" J* D2 d) H - printf("\nAborted.\n");
N' C' {3 P+ | - return 1;( n8 D5 O2 ?% C
- }
1 }' U) J8 J. y3 Z6 `% g/ `# W2 u - }' {/ v- {* T: _- n7 B
- if (writeparam(mac, stbid) == 0)
) {7 |: {& N* A7 |+ U! @/ J5 s0 Z: V, p0 x - printf("Parameters changed.\n");- a% c+ C& W7 R1 R
7 v) ^; x2 U& c$ U! m6 k" b* |- return 0;1 L2 t/ O) q6 o. X. M, E7 R ~
- }
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