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。8 J4 h+ N7 k$ m1 P; T5 a" y. J1 l3 \
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 \) @: v5 P+ N+ E
- #include <malloc.h>
' V/ l7 F. n% ]. e8 L H - #include <sys/types.h>
9 R2 p) y! V" _/ G - #include <sys/stat.h>
# P+ I- O5 N( M, h5 y% h - #include <sys/ioctl.h>
( x- G [) i3 A3 r' D; c. y - #include <stdio.h>) t) k7 i3 z: d% d# y; j
- #include <string.h>6 z* X t6 o2 X) G3 U8 l& C
* x) L3 @) o% N5 ^8 V0 E- typedef struct {+ E7 Z: Z' U1 s2 b) T- Z
- unsigned int e2prom_cmd_sub_addr;
E+ G1 E$ n( I3 ~ - unsigned int sub_addr_count;
9 R* Z& d$ d. W$ I - unsigned char* e2prom_cmd_data;! k- W# r. @$ Z1 l
- unsigned int data_count;
" b, F( \. M5 t* R3 [0 \! G - } e2prom_s_cmd;# [( ]; y% Q4 r9 E
4 X6 s& `1 f. l& }0 x6 j- #define E2PROM_CMD_READ 1
$ X( N3 \. U+ G) J, p - #define E2PROM_CMD_WRITE 2
5 V* G" G, V; d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", C& n1 J' @* L
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- static int readparam(unsigned char *mac, unsigned char *stbid)
2 B. G. U) U% `7 W - {
2 y0 Z4 ?, ?) u, d$ z - int fd, ret;
0 x1 S4 g7 V6 n: { - e2prom_s_cmd arg; q1 v" C q" n/ Y+ ~
- unsigned char buf[0x18];) v1 [0 F# m& @4 A; l
- $ x1 A) z4 k6 q/ S8 Y) P
- fd = open(E2PROM_DEVICE, O_RDWR);
2 t0 Q0 z y; x8 y% B- B) l2 j9 Y - if (fd < 0) {
! s2 o- B u& T& o5 s# s) {0 Y2 s - printf("Device %s open error.\n", E2PROM_DEVICE);
; [2 f. X% Y K. j. q: z# m8 h, a - return -1;
# a3 m1 @ l; x - }
' P, d; k' w' X0 S- I/ r' Y' I* i - arg.sub_addr_count = 2;
" m% ^" O% W8 L1 a f2 `% u8 S% f - arg.data_count = 0x18;
: }$ B' D/ K) _8 r( a - arg.e2prom_cmd_sub_addr = 0x290;
- b* e$ J! n6 @ - arg.e2prom_cmd_data = buf;. Q& K" i/ q8 o0 M( o1 K' u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! D) x: r2 A3 Q7 Z0 ~4 c- `
- if (ret != 0) {
9 A5 a$ C! X5 N3 E - printf("Device %s read error.\n", E2PROM_DEVICE);
) ]* U. ^$ q- s2 n( N5 [- {8 |4 a - return -1;0 s( `. W& Y8 ]' T( B. @
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- memcpy(mac, buf, 6);7 U" o- [' h. F1 W
- memcpy(stbid, &buf[6], 18);
2 }7 I3 q0 ]0 u% o3 F - stbid[18] = '\0';
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O% T9 X/ C/ a* \$ G- s4 F- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)# Y1 B- E. f/ l7 S' n
- {
( W. ^; P; l$ J Z; H/ Q) _& M - int fd, ret;. F( `+ f! I! z3 K# X2 v! b4 |4 s
- e2prom_s_cmd arg;+ W# n, ?; K$ R) y# q1 w" H( n/ Z' a
- unsigned char buf[0x18];2 D: U) _; x% G6 a" H
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- memcpy(buf, mac, 6);/ }* C7 f9 F: Z3 ?
- memcpy(&buf[6], stbid, 18);
! q |( o# i0 \ - fd = open(E2PROM_DEVICE, O_RDWR);! R4 y# m/ N5 U& k. }
- if (fd < 0) {' L: Y! m! g: E, @ ], @
- printf("Device %s open error.\n", E2PROM_DEVICE);1 |# M* @( q3 p9 ?' P% G
- return -1;
: w6 B$ N5 L) M' G6 L - }
4 p1 b* l* X4 V/ }) j - arg.sub_addr_count = 2;
% d) O* B" z" B9 a - arg.data_count = 0x18;8 K& b/ i+ l x$ H' ~- N- Z! G
- arg.e2prom_cmd_sub_addr = 0x290;$ O1 z4 G% l( C6 J; m% B( ?! }
- arg.e2prom_cmd_data = buf;
4 D- N2 _7 |- U' X) r$ V4 z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& H, y q- R/ j- [6 | - if (ret != 0) {3 S9 n& ^, X# C# \
- printf("Device %s write error.\n", E2PROM_DEVICE);
. G( g( v+ g" ] R6 ?; H& E+ C q - return -1;5 G$ i" }5 |! ]5 Z
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# P2 K L* p4 x' A7 y- return 0;
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_, C( m7 g2 z- int main()
- b! f. g; `$ B2 P/ d2 w( b - {
# s, V. v% R5 h& C - char c;8 U% G) L. F6 n: G" \* [. L
- int i, macs[6];9 q: ]9 w8 |6 X0 d
- unsigned char mac[6];
0 C8 m) g2 a8 n - unsigned char stbid[256];' o- F$ h! R6 o C* e4 b ^% z
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- if (readparam(mac, stbid) < 0)
. S5 T( c2 p7 z) x7 M9 i K - return 1;# T: p! Q7 I# d" R- E
- 5 E) ~, s) T- }1 c5 c4 Q4 R
- printf("Current parameters: \n");1 |3 t7 B# ] s5 v3 _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 K0 u$ J5 P# ]' i
- printf(" STBID: %s\n", stbid);
- g5 S8 w- l) n$ ?" L - 1 @; L; s6 Y0 E* u5 ]
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 B1 x: w2 F! K; z. g1 u - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: M- |- [7 t. B) c. s/ R2 v2 E - printf("Input MAC error\n");8 |+ _; w9 W: s7 \( r3 f$ K
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
' ?( y" o/ t i/ G, E - printf("\nPlease input new STBID: ");3 P0 [) s6 ?" m) d7 L
- scanf("%s", stbid);9 F6 n/ n# [8 w o) e$ S
- if (strlen(stbid) != 18) {/ m$ g) j# ~# U; U
- printf("Invalid stbid\n");
2 H, V% [8 g- h k% Y - return 1;" a+ e! ^# G7 L! O, } V- K
- }& J- ~$ N1 \+ j- s* y2 v% m: ^
- printf("\nNew parameters: \n");! Y$ i+ G" o! O, T4 A; E5 S' N0 l1 a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 m6 I j: C2 e1 o( ]: Z - printf(" STBID: %s\n", stbid);
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+ t* W& f b: ~; k( Q$ o' k- printf("\nDo you want to change paramemters? (y/N) ");
+ Z D1 Q9 w# P9 y& b - for (;;) {
$ |) K6 T* L& |0 x* X - c = getchar();
' d. T2 @% b ^: P - if (c == 'y' || c == 'Y')
/ y1 e6 g# l y# K% P - break;+ p% V8 }. ?- A1 e, K( @% |
- if (c == 'n' || c == 'N') {( x1 ]1 D4 u' n. ~
- printf("\nAborted.\n"); m( Z( @1 t6 t. K
- return 1;
" [2 Y9 b' }1 q, \3 g - }
8 D" x8 f- q) N4 \! [. g - }
$ b+ t5 g/ _& ]- T' ? - if (writeparam(mac, stbid) == 0)
; `4 k' U1 {0 g# k: [5 X - printf("Parameters changed.\n");
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- return 0;
" _: T! n; ^7 c5 z& N; e9 s - }
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