pcan_usb_kernel.c

CAN 驱动编程

,1,&pcan_l32,&pcan_l39,&pcan_a,&pcan_a,&pcan_a,&pcan_a,&pcan_a,&
pcan_a); *pcan_l70=pcan_l39; *pcan_l70<<=8; *pcan_l70|=pcan_l32;
pcan_s(pcan_t"\x25\x73\x3a\x20\x42\x54\x52\x30\x42\x54\x52\x31\x20"
"\x3d\x20\x30\x78\x25\x30\x34\x78\n",pcan_o, *pcan_l70);pcan_p pcan_f
;}pcan_e pcan_l197(pcan_n pcan_q*pcan_b,pcan_l42*pcan_l85){pcan_e
pcan_f=0;pcan_c pcan_a=0;pcan_c pcan_l32=0;pcan_s(pcan_t"\x25\x73\x3a"
"\x20\x70\x63\x61\x6e\x5f\x68\x77\x5f\x67\x65\x74\x51\x75\x61\x72\x74"
"\x7a\x28\x29\n",pcan_o);pcan_f=pcan_l52(pcan_b,2,1,&pcan_l32,&pcan_a
,&pcan_a,&pcan_a,&pcan_a,&pcan_a,&pcan_a,&pcan_a); *pcan_l85=pcan_l32
; *pcan_l85*=1000000L;pcan_s(pcan_t"\x25\x73\x3a\x20\x46\x72\x65\x71"
"\x75\x65\x6e\x7a\x20\x3d\x20\x25\x75\n",pcan_o, *pcan_l85);pcan_p
pcan_f;}pcan_e pcan_l190(pcan_n pcan_q*pcan_b,pcan_c pcan_l54,pcan_c
pcan_l26){pcan_e pcan_f=0;pcan_c pcan_a[8];pcan_e pcan_x;pcan_s(
pcan_t"\x25\x73\x3a\x20\x70\x63\x61\x6e\x5f\x68\x77\x5f\x67\x65\x74"
"\x41\x6e\x79\x74\x68\x69\x6e\x67\x28\x29\n",pcan_o);pcan_l122(pcan_x
=0;pcan_x<7;pcan_x++)pcan_a[pcan_x]=0;pcan_f=pcan_l52(pcan_b,pcan_l54
,pcan_l26,&pcan_a[0],&pcan_a[1],&pcan_a[2],&pcan_a[3],&pcan_a[4],&
pcan_a[5],&pcan_a[6],&pcan_a[7]);pcan_s(pcan_t"\x25\x73\x3a\x20\x46"
"\x75\x6e\x2f\x4e\x75\x6d\x3a\x25\x64\x2f\x25\x64\x20\x20\x30\x78\x25"
"\x30\x32\x78\x20\x30\x78\x25\x30\x32\x78\x20\x30\x78\x25\x30\x32\x78"
"\x20\x30\x78\x25\x30\x32\x78\x20\x30\x78\x25\x30\x32\x78\x20\x30\x78"
"\x25\x30\x32\x78\x20\x30\x78\x25\x30\x32\x78\x20\x30\x78\x25\x30\x32"
"\x78\n",pcan_o,pcan_l54,pcan_l26,pcan_a[0],pcan_a[1],pcan_a[2],
pcan_a[3],pcan_a[4],pcan_a[5],pcan_a[6],pcan_a[7]);pcan_p pcan_f;}
pcan_e pcan_l184(pcan_n pcan_q*pcan_b,pcan_c*pcan_l108){pcan_e pcan_f
;pcan_c pcan_a=0;pcan_s(pcan_t"\x25\x73\x3a\x20\x70\x63\x61\x6e\x5f"
"\x68\x77\x5f\x67\x65\x74\x44\x65\x76\x69\x63\x65\x4e\x72\x28\x29\n",
pcan_o);pcan_f=pcan_l52(pcan_b,4,1,pcan_l108,&pcan_a,&pcan_a,&pcan_a,
&pcan_a,&pcan_a,&pcan_a,&pcan_a);pcan_s(pcan_t"\x25\x73\x3a\x20\x44"
"\x65\x76\x69\x63\x65\x4e\x72\x20\x3d\x20\x30\x78\x25\x30\x32\x78\n",
pcan_o, *pcan_l108);pcan_p pcan_f;}pcan_e pcan_l181(pcan_n pcan_q*
pcan_b){pcan_c pcan_a=0;pcan_s(pcan_t"\x25\x73\x3a\x20\x70\x63\x61"
"\x6e\x5f\x68\x77\x5f\x53\x65\x74\x45\x78\x74\x56\x43\x43\x4f\x6e\x28"
"\x29\n",pcan_o);pcan_p pcan_l36(pcan_b,0xA,2,1,pcan_a,pcan_a,pcan_a,
pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a
);}pcan_e pcan_l170(pcan_n pcan_q*pcan_b,pcan_c pcan_l156){pcan_c
pcan_a=0;pcan_s(pcan_t"\x25\x73\x3a\x20\x70\x63\x61\x6e\x5f\x68\x77"
"\x5f\x53\x65\x74\x44\x65\x76\x69\x63\x65\x4e\x72\x28\x29\n",pcan_o);
pcan_p pcan_l36(pcan_b,4,2,pcan_l156,pcan_a,pcan_a,pcan_a,pcan_a,
pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a);}
pcan_e pcan_l194(pcan_n pcan_q*pcan_b,pcan_l42 pcan_l64){pcan_c pcan_a
=0;pcan_s(pcan_t"\x25\x73\x3a\x20\x70\x63\x61\x6e\x5f\x68\x77\x5f\x53"
"\x65\x74\x53\x4e\x52\x28\x29\n",pcan_o);pcan_p pcan_l36(pcan_b,6,2,(
pcan_c)(pcan_l64&0xff),(pcan_c)((pcan_l64>>8)&0xff),(pcan_c)((
pcan_l64>>16)&0xff),(pcan_c)((pcan_l64>>24)&0xff),pcan_a,pcan_a,
pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a);}pcan_l29
pcan_e pcan_l144(pcan_n pcan_q*pcan_b){pcan_c pcan_a=0;pcan_s(pcan_t""
"\x25\x73\x3a\x20\x70\x63\x61\x6e\x5f\x68\x77\x5f\x53\x65\x74\x45\x78"
"\x74\x56\x43\x43\x4f\x66\x66\x28\x29\n",pcan_o);pcan_p pcan_l36(
pcan_b,0xA,2,0,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,
pcan_a,pcan_a,pcan_a,pcan_a,pcan_a,pcan_a);}pcan_e pcan_hw_getSNR(
pcan_n pcan_q*pcan_b,pcan_l42*pcan_l72){pcan_e pcan_f;pcan_e pcan_x;
pcan_c pcan_l50[4];pcan_c pcan_a;pcan_s(pcan_t"\x25\x73\x3a\x20\x70"
"\x63\x61\x6e\x5f\x68\x77\x5f\x67\x65\x74\x53\x4e\x52\x28\x29\n",
pcan_o);pcan_f=pcan_l52(pcan_b,6,1,&pcan_l50[0],&pcan_l50[1],&
pcan_l50[2],&pcan_l50[3],&pcan_a,&pcan_a,&pcan_a,&pcan_a); *pcan_l72=
0;pcan_l122(pcan_x=3;pcan_x>=0;pcan_x--){ *pcan_l72<<=8; *pcan_l72|=
pcan_l50[pcan_x];}pcan_s(pcan_t"\x25\x73\x3a\x20\x53\x4e\x52\x20\x3d"
"\x20\x30\x78\x25\x30\x38\x78\n",pcan_o, *pcan_l72);pcan_p pcan_f;}
pcan_e pcan_hw_Init(pcan_n pcan_q*pcan_b,pcan_l43 pcan_l150,pcan_c
pcan_l124){pcan_e pcan_f=0;pcan_s(pcan_t"\x25\x73\x3a\x20\x70\x63\x61"
"\x6e\x5f\x68\x77\x5f\x49\x6e\x69\x74\x28\x29\n",pcan_o);pcan_f=
pcan_l149(pcan_b,pcan_l150);pcan_g(pcan_f)pcan_l34 pcan_z;pcan_g(
pcan_b->pcan_m.pcan_l.pcan_l113>3){pcan_g(pcan_l124)pcan_f=pcan_l160(
pcan_b);pcan_l28 pcan_f=pcan_l138(pcan_b);pcan_g(pcan_f)pcan_l34
pcan_z;}pcan_l28{pcan_g(pcan_l124){pcan_f=-pcan_l176;pcan_l34 pcan_z;
}}pcan_f=pcan_l144(pcan_b);pcan_l139(pcan_b);pcan_z:pcan_p pcan_f;}
pcan_e pcan_hw_X(pcan_n pcan_q*pcan_b,pcan_c*pcan_d,pcan_e pcan_l74){
pcan_e pcan_f=0;pcan_e pcan_x,pcan_l30;pcan_c pcan_l153;pcan_c
pcan_l114;pcan_c pcan_l35=0;pcan_c pcan_y;pcan_l141*pcan_v;pcan_l155
pcan_r;pcan_c*pcan_l81=pcan_d;pcan_e pcan_l118=0;pcan_c*pcan_l117=
pcan_d;pcan_c pcan_l121=0;pcan_g(!pcan_l74)pcan_p pcan_f;pcan_l153= *
pcan_d++;pcan_l114= *pcan_d++;pcan_l122(pcan_x=0;(pcan_x<pcan_l114);
pcan_x++){pcan_l116 pcan_k;pcan_l35= *pcan_d++;pcan_g(!(pcan_l35&0x40
)){pcan_f=pcan_l172(&pcan_b->pcan_l115,(pcan_l48* )&pcan_v);pcan_g(
pcan_f)pcan_l34 pcan_z;pcan_y=pcan_l35&0x0F;pcan_g(pcan_y>8)pcan_y=8;
pcan_v->pcan_l37.pcan_l128=pcan_y;pcan_g(pcan_l35&0x20){pcan_v->
pcan_l37.pcan_l55=pcan_l159;
#ifdef __LITTLE_ENDIAN
pcan_k.pcan_i[0]= *pcan_d++;pcan_k.pcan_i[1]= *pcan_d++;pcan_k.pcan_i
[2]= *pcan_d++;pcan_k.pcan_i[3]= *pcan_d++;
#else
pcan_k.pcan_i[3]= *pcan_d++;pcan_k.pcan_i[2]= *pcan_d++;pcan_k.pcan_i
[1]= *pcan_d++;pcan_k.pcan_i[0]= *pcan_d++;
#endif
pcan_k.pcan_l41>>=3;}pcan_l28{pcan_v->pcan_l37.pcan_l55=pcan_l171;
pcan_k.pcan_l41=0;
#ifdef __LITTLE_ENDIAN
pcan_k.pcan_i[0]= *pcan_d++;pcan_k.pcan_i[1]= *pcan_d++;
#else
pcan_k.pcan_i[3]= *pcan_d++;pcan_k.pcan_i[2]= *pcan_d++;
#endif
pcan_k.pcan_l41>>=5;}pcan_g(pcan_l35&0x10)pcan_v->pcan_l37.pcan_l55|=
pcan_l169;pcan_v->pcan_l37.pcan_l146=pcan_k.pcan_l41;pcan_g(!
pcan_l121){
#ifdef __LITTLE_ENDIAN
pcan_r.pcan_i[0]= *pcan_d++;pcan_r.pcan_i[1]= *pcan_d++;
#else
pcan_r.pcan_i[1]= *pcan_d++;pcan_r.pcan_i[0]= *pcan_d++;
#endif
pcan_l82(pcan_b,pcan_r.pcan_l95,pcan_x);}pcan_l28 pcan_l104(pcan_b, *
pcan_d++);pcan_v->pcan_l157=pcan_l127(pcan_b);pcan_l30=0;pcan_l40(
pcan_y--){pcan_v->pcan_l37.pcan_l92[pcan_l30]= *pcan_d++;pcan_l30++;}
pcan_g((!pcan_b->pcan_l185)&&(pcan_l35&0x20)){pcan_f=pcan_l201(&
pcan_b->pcan_l115);pcan_g(pcan_f)pcan_l34 pcan_z;}pcan_l28{pcan_f=
pcan_l179(&pcan_b->pcan_l115);pcan_g(pcan_f)pcan_l34 pcan_z;pcan_l118
++;}pcan_l121++;}pcan_l28{pcan_l141 pcan_l145;pcan_c pcan_l54;pcan_c
pcan_l26;pcan_c pcan_a;pcan_v=&pcan_l145;pcan_v->pcan_l37.pcan_l55=
pcan_l180;pcan_y=pcan_l35&0x0F;pcan_g(pcan_y>8)pcan_y=8;pcan_v->
pcan_l37.pcan_l128=pcan_y;pcan_l54= *pcan_d++;pcan_l26= *pcan_d++;
pcan_g(pcan_l35&0x80){pcan_g(!pcan_x){
#ifdef __LITTLE_ENDIAN
pcan_r.pcan_i[0]= *pcan_d++;pcan_r.pcan_i[1]= *pcan_d++;
#else
pcan_r.pcan_i[1]= *pcan_d++;pcan_r.pcan_i[0]= *pcan_d++;
#endif
pcan_l82(pcan_b,pcan_r.pcan_l95,pcan_x);}pcan_l28 pcan_l104(pcan_b, *
pcan_d++);}pcan_l175(pcan_l54){pcan_l49 1:pcan_g((pcan_l26&0x02)||(
pcan_l26&0x40)){pcan_b->pcan_l61|=pcan_l189;pcan_b->pcan_l84++;}
pcan_g(pcan_l26&0x10){pcan_b->pcan_l61|=pcan_l183;pcan_b->pcan_l84++;
}pcan_g(pcan_l26&0x08){pcan_b->pcan_l61|=pcan_l203;pcan_b->pcan_l84++
;}pcan_g(pcan_l26&0x04)pcan_b->pcan_l61|=pcan_l195;pcan_l30=0;
pcan_l40(pcan_y--)pcan_v->pcan_l37.pcan_l92[pcan_l30++]= *pcan_d++;
pcan_l56;pcan_l49 2:pcan_a= *pcan_d++;pcan_a= *pcan_d++;pcan_l56;
pcan_l49 3:pcan_a= *pcan_d++;pcan_l56;pcan_l49 4:
#ifdef __LITTLE_ENDIAN
pcan_r.pcan_i[0]= *pcan_d++;pcan_r.pcan_i[1]= *pcan_d++;
#else
pcan_r.pcan_i[1]= *pcan_d++;pcan_r.pcan_i[0]= *pcan_d++;
#endif
pcan_l82(pcan_b,pcan_r.pcan_l95,pcan_x);pcan_l56;pcan_l49 5:pcan_g(
pcan_l26&0x80){pcan_b->pcan_l61|=pcan_l192;pcan_b->pcan_l84++;}
pcan_l30=0;pcan_l40(pcan_y--)pcan_v->pcan_l37.pcan_l92[pcan_l30++]= *
pcan_d++;pcan_l56;pcan_l49 10:pcan_l56;pcan_l188:pcan_l97(pcan_l59""
"\x25\x73\x3a\x20\x75\x6e\x65\x78\x70\x65\x63\x74\x65\x64\x20\x66\x75"
"\x6e\x63\x74\x69\x6f\x6e\x2c\x20\x69\x20\x3d\x20\x25\x64\x2c\x20\x75"
"\x63\x53\x74\x61\x74\x75\x73\x4c\x65\x6e\x20\x3d\x20\x30\x78\x25\x30"
"\x32\x78\n",pcan_o,pcan_x,pcan_l35);pcan_l143(pcan_l117,4);}pcan_v->
pcan_l157=pcan_l127(pcan_b);}pcan_g((pcan_d-pcan_l81)>pcan_l74){
pcan_g((pcan_b->pcan_m.pcan_l.pcan_l113>3)||((pcan_b->pcan_m.pcan_l.
pcan_l113<=3)&&((pcan_d-pcan_l81)>(pcan_l74+1)))){pcan_f=-pcan_l199;
pcan_l97(pcan_l59"\x25\x73\x3a\x20\x49\x6e\x74\x65\x72\x6e\x61\x6c"
"\x20\x45\x72\x72\x6f\x72\x20\x3d\x20\x25\x64\x20\x28\x25\x64\x2c\x20"
"\x25\x64\x29\n",pcan_o,pcan_f,(pcan_d-pcan_l81),pcan_l74);pcan_l143(
pcan_l117,4);pcan_l34 pcan_z;}}}pcan_g(pcan_l118)pcan_l182(&pcan_b->
pcan_l178);pcan_z:pcan_p pcan_f;}pcan_e pcan_hw_Y(pcan_n pcan_q*
pcan_b,pcan_c*pcan_d,pcan_e*pcan_l63){pcan_e pcan_f=0;pcan_e pcan_l109
=0;pcan_c*pcan_w=pcan_d;pcan_c pcan_y;pcan_l116 pcan_k;pcan_c*
pcan_l71;pcan_c*pcan_l83;pcan_l177*pcan_v;pcan_e pcan_l30;pcan_c
pcan_l94=0;pcan_e pcan_l93= *pcan_l63;pcan_e pcan_l140=pcan_l93-14; *
pcan_l63=0; *pcan_w++=2;pcan_l83=pcan_w++;pcan_l40(!pcan_l94&&((
pcan_w-pcan_d)<pcan_l140)){pcan_g((pcan_f=pcan_l193(&pcan_b->pcan_l99
,(pcan_l48* )&pcan_v))){pcan_l94=1;pcan_s(pcan_t"\x25\x73\x3a\x20\x66"
"\x69\x66\x6f\x20\x6e\x6f\x74\x20\x63\x6c\x61\x69\x6d\x65\x64\x21\x20"
"\x25\x64\x20\x25\x64\n",pcan_o,pcan_b->pcan_l99.pcan_l186,pcan_l173(
&pcan_b->pcan_l99));}pcan_l28{pcan_l71=pcan_w++;pcan_y=pcan_v->
pcan_l128&0x0F; *pcan_l71=pcan_y;pcan_g(pcan_v->pcan_l55&pcan_l169) *
pcan_l71|=0x10;pcan_l30=0;pcan_k.pcan_l41=pcan_v->pcan_l146;pcan_g(
pcan_v->pcan_l55&pcan_l159){ *pcan_l71|=0x20;pcan_k.pcan_l41<<=3;
#ifdef __LITTLE_ENDIAN
 *pcan_w++=pcan_k.pcan_i[0]; *pcan_w++=pcan_k.pcan_i[1]; *pcan_w++=
pcan_k.pcan_i[2]; *pcan_w++=pcan_k.pcan_i[3];
#else
 *pcan_w++=pcan_k.pcan_i[3]; *pcan_w++=pcan_k.pcan_i[2]; *pcan_w++=
pcan_k.pcan_i[1]; *pcan_w++=pcan_k.pcan_i[0];
#endif
}pcan_l28{pcan_k.pcan_l41<<=5;
#ifdef __LITTLE_ENDIAN
 *pcan_w++=pcan_k.pcan_i[0]; *pcan_w++=pcan_k.pcan_i[1];
#else
 *pcan_w++=pcan_k.pcan_i[1]; *pcan_w++=pcan_k.pcan_i[0];
#endif
}pcan_l30=0;pcan_l40(pcan_y--){ *pcan_w++=pcan_v->pcan_l92[pcan_l30];
pcan_l30++;}pcan_l109++;pcan_g((pcan_f=pcan_l198(&pcan_b->pcan_l99)))pcan_l94
=1;}}pcan_g((pcan_w-pcan_d)>2){ *pcan_l63=pcan_l93;pcan_w=pcan_d+
pcan_l93-1; *pcan_w=(pcan_c)(pcan_b->pcan_m.pcan_l.pcan_l202++&0xff);
 *pcan_l83=pcan_l109;}pcan_l28{ *pcan_l63=0; *pcan_l83=0;}pcan_p
pcan_f;}