; conditional assembly needs preparation .set DICT_COMPILER2 = 0 ; .set cpu_msp430 = 0 .set cpu_avr8 = 1 .include "user.inc" .def zerol = r2 .def zeroh = r3 .def upl = r4 .def uph = r5 .def al = r6 .def ah = r7 .def bl = r8 .def bh = r9 ; internal .def mcu_boot = r10 .def isrflag = r11 .def temp4 = r14 .def temp5 = r15 .def temp0 = r16 .def temp1 = r17 .def temp2 = r18 .def temp3 = r19 .def temp6 = r20 .def temp7 = r21 .def tosl = r24 .def tosh = r25 .def wl = r22 .def wh = r23 .macro loadtos ld tosl, Y+ ld tosh, Y+ .endmacro .macro savetos st -Y, tosh st -Y, tosl .endmacro .macro in_ .if (@1 < $40) in @0,@1 .else lds @0,@1 .endif .endmacro .macro out_ .if (@0 < $40) out @0,@1 .else sts @0,@1 .endif .endmacro .macro sbi_ .if (@0 < $40) sbi @0,@1 .else in_ @2,@0 ori @2,exp2(@1) out_ @0,@2 .endif .endmacro .macro cbi_ .if (@0 < $40) cbi @0,@1 .else in_ @2,@0 andi @2,~(exp2(@1)) out_ @0,@2 .endif .endmacro .macro jmp_ ; a more flexible macro .ifdef @0 .if (@0-pc > 2040) || (pc-@0>2040) jmp @0 .else rjmp @0 .endif .else jmp @0 .endif .endmacro .macro call_ ; a more flexible macro .ifdef @0 .if (@0-pc > 2040) || (pc-@0>2040) call @0 .else rcall @0 .endif .else call @0 .endif .endmacro ; F_CPU ; µsec 16000000 14745600 8000000 1000000 ; 1 16 14,74 8 1 ; 10 160 147,45 80 10 ; 100 1600 1474,56 800 100 ; 1000 16000 14745,6 8000 1000 ; ; cycles = µsec * f_cpu / 1e6 ; n_loops=cycles/5 ; ; cycles already used will be subtracted from the delay ; the waittime resolution is 1 cycle (delay from exact to +1 cycle) ; the maximum delay at 20MHz (50ns/clock) is 38350ns ; waitcount register must specify an immediate register ; ; busy waits a specfied amount of microseconds .macro delay .set cycles = ( ( @0 * F_CPU ) / 1000000 ) .if (cycles > ( 256 * 255 * 4 + 2)) .error "MACRO delay - too many cycles to burn" .else .if (cycles > 6) .set loop_cycles = (cycles / 4) ldi zl,low(loop_cycles) ldi zh,high(loop_cycles) sbiw Z, 1 brne pc-1 .set cycles = (cycles - (loop_cycles * 4)) .endif .if (cycles > 0) .if (cycles & 4) rjmp pc+1 rjmp pc+1 .endif .if (cycles & 2) rjmp pc+1 .endif .if (cycles & 1) nop .endif .endif .endif .endmacro ; portability macros, they come from the msp430 branches .macro DEST .dw @0 .endm