双核单片机红外遥控码代码

一个用应广双核单片机做的红外遮挡开光(反射式)全部代码。 ir_sw equ pb.1 ir_input equ pa.0 ir_output equ pa.6 byte ir_new byte ir_old byte ir_enable byte i byte ir_new1 byte ir_new2 byte ir_new3 goto main0 goto main1 //----------------fppa0------------------- main0: .adjust_otp_ihrcr 8mips// ihrc/2 = 8mips, watchdog disable, ram 0,1 temporary be used sp = 0x30 disgint inten = 0 mov a,0b000_11_111 //disable timer mov t16m,a set1 pbc.1 set0 ir_sw set0 pac.0 set1 pac.6 set0 ir_output delay 200 ir_new = 0 ir_old = 0 ir_enable = 0 mov a,0 mov intrq,a set1 fppen.1 //eanble fppa1 ir_enable = 1 i = 20 while(i) { delay 200 i-- } if(ir_input) { ir_old = 1 } else { ir_old = 0 } ir_enable = 0 i = 5 while(i) { delay 200 i-- } clkmd.1 = 1 //enable watch dog main0_loop: wdreset call check_ir if(ir_new != ir_old) { if(ir_new != 1) { tog ir_sw } ir_old = ir_new } i = 100 while(i) { delay 200 i-- } goto main0_loop check_ir: ir_enable = 1 i = 20 while(i) { delay 200 i-- } if(ir_input) { ir_new1 = 1 } else { ir_new1 = 0 } i = 5 while(i) { delay 200 i-- } if(ir_input) { ir_new2 = 1 } else { ir_new2 = 0 } i = 5 while(i) { delay 200 i-- } if(ir_input) { ir_new3 = 1 } else { ir_new3 = 0 } if((ir_new1 == ir_new2) && (ir_new2 == ir_new3)) { ir_new = ir_new1 } else { ir_new = ir_old } ir_enable = 0 i = 20 while(i) { delay 200 i-- } ret //----------------fppa1------------------- main1: sp = 0x38 delay 200 main1_loop: //output 38k ir signal if(ir_enable) { set1 ir_output delay 33 set0 ir_output delay 67 } else { set0 ir_output delay 10 } goto main1_loop

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