本帖最后由 0522 于 2012-3-21 23:04 编辑 7 U, H6 b& b% c2 V# d' ?, v3 Y5 ]
- |' G2 Y7 @& D& O7 V修改的代码早有了。到今天不会编译。$ z* i1 B* @+ h2 i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 f' r' u! O+ s6 y5 j - #include <malloc.h>8 @' ]: @6 b: u+ t
- #include <sys/types.h>7 n0 F8 y& c% }) m- I$ n Z
- #include <sys/stat.h>
* z4 h- q* h" }8 X: |* O - #include <sys/ioctl.h>
# ?! @! J2 F( f2 {' }, q - #include <stdio.h>
S" ]) N0 g- M, D+ O3 W0 j3 v - #include <string.h>9 b2 r8 k3 Y- w/ G5 v3 l
- : ~' X0 j& l6 E) ]% i
- typedef struct {
( \; Z+ c t3 [8 ]+ J! Z/ F+ { - unsigned int e2prom_cmd_sub_addr;
. I8 u6 u; P: e, P4 S - unsigned int sub_addr_count;% M) M" _; ]# \: v6 o
- unsigned char* e2prom_cmd_data;3 ^ }- D7 D+ ]+ B" X2 I1 j0 F
- unsigned int data_count;0 y- r9 P$ s6 W1 n1 S( h& Z' K' n3 v
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
4 y/ [" `1 s: |: A& E* z - #define E2PROM_CMD_WRITE 2$ r. c% X* Q5 E& S3 q6 K( Y5 k
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 B5 n: @- j# ?$ `# \
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- static int readparam(unsigned char *mac, unsigned char *stbid)
6 @6 T6 U" N1 \8 Y$ V7 w - {
% i8 _+ n% |6 ^5 M9 S - int fd, ret;
+ ?3 _9 n0 M B& Z - e2prom_s_cmd arg;" H s1 J$ \. p+ N0 ~
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);6 M1 X$ ]) ^; z; s$ H# b
- if (fd < 0) {; s/ _1 C7 Y$ K3 {4 t" W
- printf("Device %s open error.\n", E2PROM_DEVICE);4 G# t$ R# h' m( T0 L6 y7 o
- return -1;! O+ J. i* I% @/ [+ D( Y7 Y
- }
: a0 ?- m2 v$ m6 s9 `* \4 r - arg.sub_addr_count = 2;3 r7 c" v8 T. r6 p, p6 m1 {5 Z
- arg.data_count = 0x18;9 b) T" n7 v+ ~, G3 d, k$ [, H U
- arg.e2prom_cmd_sub_addr = 0x290;
4 M! @. w4 F# N. d* s) t* E" ` - arg.e2prom_cmd_data = buf;
- W! N. r# o- Z0 |- ^8 }7 B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% {: N& {' x# O ^ - if (ret != 0) {
: \$ e2 @! A( |5 X9 X" y5 I7 Q" C* C - printf("Device %s read error.\n", E2PROM_DEVICE);
6 ] v% T( p3 o3 W2 v) k - return -1;
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- memcpy(mac, buf, 6);* K H0 n& \, x' u
- memcpy(stbid, &buf[6], 18); C5 J) A) n' k7 O
- stbid[18] = '\0';6 I( U% P7 [: i6 ^. D. N
f4 |! ?. |1 m' t8 N( L- return 0;
4 E1 h* r: ^6 p) o - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)% `( t) E" _ G0 {- n1 Q
- {( |; D8 L3 x9 |' |$ E
- int fd, ret;- { V. H0 n5 b, v+ f# ?' k
- e2prom_s_cmd arg;1 Y) U0 U7 d3 [" e* ]
- unsigned char buf[0x18];2 S& K s2 V( r. Y+ j9 E$ e- K
- 6 t0 a8 u) G4 B& \
- memcpy(buf, mac, 6);
8 r, }# D' P% `8 z! `1 t - memcpy(&buf[6], stbid, 18);3 Y* |1 c, M9 |: }4 z9 |5 S' m
- fd = open(E2PROM_DEVICE, O_RDWR); O* t7 t9 F% N+ _
- if (fd < 0) {( [/ ~: E& q% j) L' C# M
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ u2 @ z" w& @% Q7 g+ } - return -1;; y$ E8 N* B) x- v5 v" v- K% B
- }
7 S& |, h" g1 W2 r( r; }+ C# u0 _ - arg.sub_addr_count = 2;
8 F& P" L1 f' @6 ]% l - arg.data_count = 0x18;$ w& J+ e7 d" E; W( A/ k# V
- arg.e2prom_cmd_sub_addr = 0x290;4 T0 I* K9 f# G+ T6 C2 U7 f/ v
- arg.e2prom_cmd_data = buf;5 ^7 h2 _, }, W ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. Q( m/ a* I' k; ^ - if (ret != 0) {6 c" B/ H/ K3 c) j6 E, D. m* h
- printf("Device %s write error.\n", E2PROM_DEVICE);
9 b# {, Q6 E/ L3 H, X0 a4 i - return -1;, W+ \" V$ r' z: i2 L7 x- ^! h
- }7 I. s0 U7 Y) ^9 c; o
- 8 {1 }6 b: |: f
- return 0;4 g5 h; H' q; [& L" @+ j4 L
- }
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: i, j# o2 ~& O- int main()1 T/ l; t# r+ j" h# g
- { A! X0 T* y5 f, ^! I
- char c;. T8 F6 Z7 P& w4 v' g' V) i$ ~5 i
- int i, macs[6];4 M1 E) P& i! `5 b+ P2 o* i
- unsigned char mac[6];
% v% a* U$ A- C - unsigned char stbid[256];& n. c7 p5 G/ u+ H
$ a1 K1 u/ M$ b' g6 W6 l& Y- if (readparam(mac, stbid) < 0)
0 Y% H0 L6 I/ g, K9 N" P - return 1;
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- printf("Current parameters: \n");
3 T8 i8 {' |* R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 p1 r- ]0 Q4 @6 r# Q- h - printf(" STBID: %s\n", stbid);/ ~0 X- I# ~5 a6 p, e$ v
- 8 E. m$ \+ s5 x' w
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# f4 y; v) z0 ^% s) {- g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* H* M1 |( R$ h; G& Q# x. d
- printf("Input MAC error\n");, O' W$ I- C* L3 F4 t9 b7 d( t: L
- return 1;
/ b6 [8 J& q: M# ]9 L) q* g* y - }* Z. u5 M- r# j! |1 N! E
- for (i=0; i<6; i++)mac[i] = macs[i];
4 i" f, o! V1 n J: _ H- E G - printf("\nPlease input new STBID: "); w& G x3 y3 j. n" K4 {$ ^6 V8 m
- scanf("%s", stbid);7 B4 x' _- Y) Q6 W2 [: m8 [
- if (strlen(stbid) != 18) { n, i3 o) d' z; V# ~* p( m
- printf("Invalid stbid\n");
) F3 M* P7 l5 T' J& P* a - return 1;4 F* U3 }! ?3 d
- }! M% [9 W, z; ~/ m D7 ~' W
- printf("\nNew parameters: \n");
9 g9 i7 Q$ {7 G3 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 ?- O g; w# r% M$ v+ z7 l - printf(" STBID: %s\n", stbid);5 w8 A& ]8 w& b; Y2 h/ Z
- # k4 H- N x0 P6 c1 T g( [ Y
- printf("\nDo you want to change paramemters? (y/N) ");' _" [$ K/ f$ B
- for (;;) {, K$ D% c: W8 `
- c = getchar();1 ]! @2 j- V1 {
- if (c == 'y' || c == 'Y'): H% F1 `( ^/ {1 ~; E, e- n
- break;' `' k" |* o( S
- if (c == 'n' || c == 'N') {
7 Z- X9 ^% m& H+ \. z% |: k - printf("\nAborted.\n");+ Z& @" v6 X- K/ ]3 i3 r
- return 1;
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- }+ e, u( E y8 O n! S9 R& i
- if (writeparam(mac, stbid) == 0) 0 G0 B2 e! }& H
- printf("Parameters changed.\n");5 x) i) n* V9 |0 G
4 o* L3 ]" h# _* m3 r2 j- return 0;7 Q0 w1 q/ k( K4 J+ Q1 h" P
- }
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