Êóðñîâàÿ ðàáîòà: Ðàçðàáîòêà öèôðîâîãî èçìåðèòåëÿ êðîâÿíîãî äàâëåíèÿ íà ìèêðîêîíòðîëëåðå MC68HC908JL3
ÌÎ ÐÔ
Íîâîñèáèðñêèé êîëëåäæ ýëåêòðîíèêè
Íà òåìó: “Ðàçðàáîòêà ÖÈÔÐÎÂÎÃÎ ÈÇÌÅÐÈÒÅËß ÊÐÎÂßÍÎÃÎ ÄÀÂËÅÍÈß íà ìèêðîêîíòðîëëåðå MC68HC908JL3”
Âûïîëíèë: Ìàìàåâ À.Ñ.
Ãð. 9Âò-454
Ïðîâåðèë: Áðèêìàí À.È.
2003
Ââåäåíèå
1. Òåõíè÷åñêîå çàäàíèå
2. Âûáîð è îáîñíîâàíèå ýëåìåíòíîé áàçû
2.1 Âûáîð ìèêðîêîíòðîëëåðà
3. Ñòðóêòóðíàÿ ñõåìà óñòðîéñòâà
3.1 Ñîñòàâ è íàçíà÷åíèå îòäåëüíûõ ýëåìåíòîâ
3.2 Àíàëèç ðåñóðñîâ ââîäà-âûâîäà
4. Ñòðóêòóðà àëãîðèòìà ïðîãðàììû
4.1 Îáîáù¸ííàÿ ÁÑÀ
4.2 Ðàáî÷àÿ ÁÑÀ
4.2.1 ÁÑÀ îñíîâíîé ïðîãðàììû.
4.2.2 ÁÑÀ îáðàáîò÷èêà ïðåðûâàíèÿ îò òàéìåðà
4.2.3 ÁÑÀ îáðàáîò÷èêà ïðåðûâàíèé îò ÀÖÏ
4.2.4 ÁÑÀ ïîäïðîãðàììû òàáëè÷íîé ïåðåêîäèðîâêè íàïðÿæåíèå â äàâëåíèå
4.2.5 ÁÑÀ ïîäïðîãðàììû âûâîäà ÷èñëà íà èíäèêàöèþ
4.2.6 ÁÑÀ ïîäïðîãðàììû ïåðåâîäà ÷èñëà â BCD ôîðìàò
5. Ïðèíöèïèàëüíàÿ ñõåìà óñòðîéñòâà
Çàêëþ÷åíèå
Ñïèñîê ëèòåðàòóðû
Ïðèëîæåíèå
Ââåäåíèå.
Ñ ðàçâèòèåì ìèêðîýëåêòðîííîé èíäóñòðèè, à â ÷àñòíîñòè ñ ðàçâèòèåì ìèêðîêîíòðîëëåðîâ, ïîÿâèëàñü âîçìîæíîñòü äåëàòü ìàëîãàáàðèòíûå è ñðàâíèòåëüíî äåø¸âûå ýëåêòðîííûå èçäåëèÿ.
Íà ñåãîäíÿøíèé äåíü, â êàæäîé àïòåêå è ñïåöèàëèçèðîâàííûõ ìàãàçèíàõ, ìîæíî óâèäåòü â ïðîäàæå ðàçëè÷íûå ìåäèöèíñêèå ïðèáîðû. Íàïðèìåð, öèôðîâîé òåðìîìåòð, öèôðîâîé èçìåðèòåëü äàâëåíèÿ êðîâè è ìíîãîå äðóãîå.
Ïîÿâëåíèå òàêèõ ïðèáîðîâ íà ïðèëàâêàõ ìàãàçèíîâ, îáóñëîâëåíî ïðîãðåññèâíûì ðàçâèòèåì öèôðîâîé òåõíèêè, â òîì ÷èñëå è ìèêðîêîíòðîëëåðíûõ ñèñòåì.
Ìèêðîêîíòðîëëåðû ïîçâîëÿþò ìåíüøå èñïîëüçîâàòü òèïîâûå ýëåìåíòû â ðàçðàáîòêàõ, ò.ê. ïðàêòè÷åñêè âñ¸ ìîæíî ñäåëàòü ïðîãðàììíûìè ñðåäñòâàìè, òåì ñàìûì ýëåêòðîííûå èçäåëèÿ ñäåëàííûå íà áàçå ìèêðîêîíòðîëëåðîâ ÿâëÿþòñÿ ìàëîãàáàðèòíûìè è ñòîÿò ñðàâíèòåëüíî íå äîðîãî.
 íàñòîÿùåå âðåìÿ, áîëüøàÿ ÷àñòü ìåäèöèíñêèõ ïðèáîðîâ ïîñòðîåííà íà öèôðîâîé ëîãèêå, ãëàâíûì ýëåìåíòîì êîòîðîé ÿâëÿåòñÿ ìèêðîêîíòðîëëåð, è èíäèêàöèÿ ïðîèñõîäèò íà öèôðîâûõ èíäèêàòîðàõ, áîëüøóþ ÷àñòü èç êîòîðûõ ñîñòàâëÿþò ÆÊÈ.
Ïîýòîìó, òåìà äëÿ ðàçðàáîòêè áûëà âûáðàííà: “Öèôðîâîé èçìåðèòåëü êðîâÿíîãî äàâëåíèÿ”. Ýòîò ïðèáîð ÿâëÿåòñÿ íàèáîëåå íóæíûì â êàæäîé ñåìüå. Âåäü åñëè òû ÷óâñòâóåø ñåáÿ íå âàæíî, òî â ëþáîé ìîìåíò ìîæíî ïîìåðèòü äàâëåíèå è èç ïîëó÷åííûõ ðåçóëüòàòîâ ñäåëàòü âûâîä, íàäî áåæàòü â áîëüíèöó èëè íåò.
1.Òåõíè÷åñêîå çàäàíèå
Óñòðîéñòâî – öèôðîâîé èçìåðèòåëü êðîâÿíîãî äàâëåíèÿ.
Îñíîâíûå òåõíè÷åñêèå õàðàêòåðèñòèêè ïðèáîðà:
1. Îáùèé äèàïàçîí èçìåðåíèÿ:
à. Ñèñòîëè÷åñêîå/äèàñòîëè÷åñêîå äàâëåíèå: îò 0 äî 250 ìì.ðò.ñò.
á. Ïóëüñ: îò 0 äî 133 óä. â ìèí.
2. Ìèíèìàëüíûé øàã èíäèêàöèè: 1.5 ìì.ðò.ñò.
3. Òî÷íîñòü èçìåðåíèÿ:
à. Ñòàòè÷åñêîå äàâëåíèå: 3 ìì.ðò.ñò.
á. Ïóëüñ: 5% ïîêàçàíèé.
4. Èíäèêàòîð: ÆÊÈ-ìîäóëü.
Èíôîðìàöèÿ î äàâëåíèè è ïóëüñå îòîáðàæàåòñÿ íà 16-òè ðàçðÿäíîì, 2-õ ñòðî÷íîì ÆÊÈ-ìîäóëå.
Èçìåðåíèå ïðîèñõîäèò â ïîëóàâòîìàòè÷åñêîì ðåæèìå.
2. Âûáîð è îáîñíîâàíèå ýëåìåíòíîé áàçû
 äàííîì óñòðîéñòâå, èíôîðìàöèÿ î ñèñòîëè÷åñêîì, äèàñòîëè÷åñêîì äàâëåíèè è ïóëüñå äîëæíà âûâîäèòüñÿ îäíîâðåìåííî. Ñ ó÷¸òîì âñåãî ýòîãî, áûë âûáðàí ÆÊÈ-ìîäóëü DV-16210NRB/R, êîòîðûé èìååò äâå ñòðîêè, ïî 16 ðàçðÿäîâ â êàæäîé ñòðîêå.
Äàò÷èê äàâëåíèÿ â ðàññìàòðèâàåìîì óñòðîéñòâå, äîëæåí îòâå÷àòü ñëåäóþùèì òðåáîâàíèÿì:
1. Äàò÷èê äîëæåí áûòü ñî ñòàíäàðòíûì âûõîäíûì ñèãíàëîì, òî åñòü ïðè ìèíèìàëüíîì çíà÷åíèè äàâëåíèÿ äîëæåí èìåòü âûõîäíîé ñèãíàë íå áîëåå 0,3V, à ïðè ìàêñèìàëüíîì äàâëåíèè íå áîëåå 4,8V, ýòî îáåñïå÷èâàåò íåïîñðåäñòâåííîå ñîåäèíåíèå äàò÷èêà ñ ìèêðîêîíòðîëëåðîì.
2. Äàò÷èê äîëæåí èçìåðÿòü îòíîñèòåëüíîå äàâëåíèå(îòíîñèòåëüíî àòìîñôåðû).
3. Ìàêñèìàëüíîå èçìåðÿåìîå äàâëåíèå äîëæíî ëåæàòü â ïðåäåëàõ îò 30 êÏà äî 50 êÏà, òàê êàê äèàïàçîí èçìåðåíèÿ ñèñòîëè÷åñêîãî/äèàñòîëè÷åñêîãî äàâëåíèÿ ñîñòàâëÿåò îò 0 äî 250 ìì.ðò.ñò.
Âçÿâ âî âíèìàíèå âñå ýòè 3-è ïóíêòà áûë âûáðàí äàò÷èê äàâëåíèÿ ôèðìû MOTOROLA MPX5050DP.
2.1 Âûáîð ìèêðîêîíòðîëëåðà
Âûáîð ìèêðîêîíòðîëëåðà îñóùåñòâëÿåòñÿ ñ ó÷¸òîì ñëåäóþùèõ ïàðàìåòðîâ:
1. Ëèíèé ââîäà-âûâîäà äîëæíî áûòü íå ìåíåå 13, ò.ê. 11 ëèíèé íåîáõîäèìî äëÿ ðàáîòû ñ èíäèêàòîðîì, à äâå ëèíèè äëÿ ðàáîòû ñ ñèãíàëàìè ïîñòóïàþùèìè îò äàò÷èêà äàâëåíèÿ.
2. Ìèêðîêîíòðîëëåð äîëæåí èìåòü âñòðîåííûé ÀÖÏ, äëÿ ðàáîòû ñ àíàëîãîâûìè ñèãíàëàìè ïîñòóïàþùèìè îò äàò÷èêà äàâëåíèÿ MPX5050DP íà âõîäû ÀÖÏ ìèêðîêîíòðîëëåðà.
Ïîýòîìó, ïðèíèìàÿ âî âíèìàíèå, ýòè äâà ãëàâíûõ ïàðàìåòðà, áûë âûáðàí ìàëîâûâîäíîé ìèêðîêîíòðîëëåð ôèðìû MOTOROLA MC68HC908JL3.
3. Ñòðóêòóðíàÿ ñõåìà óñòðîéñòâà
3.1 Ñîñòàâ è íàçíà÷åíèå îòäåëüíûõ ýëåìåíòîâ
Ñòðóêòóðíàÿ ñõåìà óñòðîéñòâà ïðèâåäåíà íà ðèñ.3.1.1.
Îñíîâîé óñòðîéñòâà ÿâëÿåòñÿ ìèêðîêîíòðîëëåð. Îñíîâíàÿ ôóíêöèÿ ìèêðîêîíòðîëëåðà, ýòî ïðèåì äàííûõ îò äàò÷èêà è àêòèâíîãî ôèëüòðà(ÀÔ), îáðàáîòêà ýòèõ äàííûõ, ò.å. âû÷èñëåíèå ñèñòîëè÷åñêîãî, äèàñòîëè÷åñêîãî äàâëåíèÿ è óñðåäí¸ííîé ÷àñòîòû ïóëüñà. Ïîñëå òîãî, êàê âñå èçìåðåíèÿ áóäóò ïðîèçâåäåíû, ìèêðîêîíòðîëëåð âûâîäèò èíôîðìàöèþ íà èíäèêàòîð.
Äàò÷èê ïðåäíàçíà÷åí äëÿ ïåðåâîäà äàâëåíèÿ â ìàíæåòå, â ýëåêòðè÷åñêèé ñèãíàë, ò.å. íàïðÿæåíèå.
ÀÔ âûñîêîé ÷àñòîòû ïðåäíàçíà÷åí äëÿ âûäåëåíèÿ è óñèëåíèÿ ñèãíàëà, ïóëüñèðóþùåãî ñ ÷àñòîòîé 1Ãö, íàëîæåííîãî íà ìåäëåííî èçìåíÿþùèéñÿ ñèãíàë 0.04Ãö. Âûäåëåíèå ñèãíàëà íåîáõîäèìî, ïîòîìó ÷òî äàâëåíèå ðàñïîçíà¸òñÿ ïî ïðîèçâîäíîé ñèãíàëà, ïóëüñèðóþùåãî ñ ÷àñòîòîé 1Ãö, à çíà÷åíèå äàâëåíèÿ ñìîòðèòñÿ ïî ìåäëåííî èçìåíÿþùåìóñÿ ñèãíàëó (0,04Ãö). Ïîýòîìó ó ìèêðîêîíòðîëëåðà çàäåéñòâîâàíû 2-à âõîäà ÀÖÏ.
Ïðè ðàçðàáîòêå äàííîãî óñòðîéñòâà ñóùåñòâîâàëà ñëîæíîñòü â òîì, ÷òî äàò÷èê ïðè íåèíâàçèâíûõ ïðèìåíåíèÿõ(áåç ïðîíèêíîâåíèÿ âî âíóòðåííèå ïîëîñòè îðãàíèçìà) íå ìîæåò áûòü ðàñïîëîæåí íåïîñðåäñòâåííî âíóòðè ñèñòåìû, â êîòîðîé èçìåðÿåòñÿ äàâëåíèå. Ïîýòîìó ïðèøëîñü ðàçðàáîòàòü íåñòàíäàðòíóþ ñèñòåìó èçìåðåíèé, â êîòîðîé äàò÷èê ïîìåùàåòñÿ âíóòðè ìàíæåòû, íà êîòîðîå íàëîæåíû íåáîëüøèå ïî àìïëèòóäå è áîëåå áûñòðûå ïóëüñàöèè, ñîîòâåòñòâóþùåå èçìåíåíèþ äàâëåíèÿ â êðîâåíîñíîé ñèñòåìå.
Ñ âíåøíåé ñòîðîíîé ýòîãî ìåòîäà èçìåðåíèÿ äàâëåíèÿ êðîâè, íàçûâàåìîãî îñöèëëîìåòðè÷åñêèì, çíàêîìû ïðàêòè÷åñêè âñå. Ïðè ýòîì ðóêà ñæèìàåòñÿ êîëüöåâîé íàäóâíîé ìàíæåòîé, íàêà÷èâàåìîé âðó÷íóþ. Çàòåì âåíòèëü ìàíæåòû ñëåãêà ïðèîòêðûâàåòñÿ, è äàâëåíèå â ìàíæåòå ïîñòåïåííî ïàäàåò, è, êîãäà îíî ñòàíîâèòñÿ áëèçêèì ê àðòåðèàëüíîìó äàâëåíèþ, àìïëèòóäà ïóëüñàöèè äàâëåíèÿ âîçðàñòàåò. Ïóëüñàöèè äàâëåíèÿ îïðåäåëÿþòñÿ ðàáîòîé ñåðäöà.
Êîãäà äàâëåíèå â ìàíæåòå èçìåíÿåòñÿ îò ñèñòîëè÷åñêîãî äî äèàñòîëè÷åñêîãî, ïóëüñàöèè äàâëåíèÿ äîñòàòî÷íî âåëèêè, çà ãðàíèöåé ýòîãî äèàïàçîíà îíè ðåçêî ñíèæàþòñÿ. Îïðåäåëèòü ýòîò äèàïàçîí ìîæíî, ïðîñëóøèâàÿ ìàíæåòó ñ ïîìîùüþ ñòåòîñêîïà, íî, èìåÿ äàò÷èê äàâëåíèÿ, ëó÷øå ïðåâðàòèòü ïóëüñàöèè äàâëåíèÿ â ýëåêòðè÷åñêèé ñèãíàë è äàëåå àíàëèçèðîâàòü åãî ñ ïîìîùüþ ìèêðîïðîöåññîðíîãî óñòðîéñòâà.
Òàêîé ýëåêòðè÷åñêèé ñèãíàë íà ïðîòÿæåíèè âñåãî âðåìåíè èçìåðåíèÿ ïðåäñòàâëåí íà ðèñ.3.1.2.à. Ñíà÷àëà èä¸ò ýòàï ðó÷íîé ïîäêà÷êè ìàíæåòû(íà ðèñ.3.1.2.à. âèäíû ïîâûøåíèÿ äàâëåíèÿ ïðè êàæäîì íàæàòèè ãðóøè), çàòåì â ìîìåíò t1 ïðåêðàùàåòñÿ ïîäêà÷êà è îòêðûâàåòñÿ âåíòèëü. Äàâëåíèå, êîòîðîå â ìîìåíò t1 ïðåâûøàåò ñèñòîëè÷åñêîå, ïîñòåïåííî ïîíèæàåòñÿ.
 òî æå âðåìÿ, êàê ýòî âèäíî èç ðèñ.3.1.2.à. íà îïðåäåë¸ííîì ó÷àñòêå ïóëüñàöèè äàâëåíèÿ ðàñòóò, íî îòíîñèòåëüíàÿ âåëè÷èíà ýòèõ ïóëüñàöèé î÷åíü íåâåëèêà ïî ñðàâíåíèþ ñ óñðåäí¸ííîé âåëè÷èíîé äàâëåíèÿ. ×òîáû áûëî óäîáíî ðàáîòàòü ñ ñèãíàëîì ïóëüñàöèé, íåîáõîäèìî îòôèëüòðîâàòü íèçêî÷àñòîòíóþ óñðåäí¸ííóþ ñîñòàâëÿþùóþ è óñèëèòü ñèãíàë ïóëüñàöèé. Ýòî ìîæíî ñäåëàòü ñ ïîìîùüþ àêòèâíîãî ôèëüòðà íà áàçå îïåðàöèîííîãî óñèëèòåëÿ (íà ñòðóêòóðíîé ñõåìå ÀÔ). Òàêîé îòôèëüòðîâàííûé è óñèëåííûé ñèãíàë ïðåäñòàâëåí íà ðèñ.3.1.2.á â äèàïàçîíå âûäåëåííîì íà ðèñ.3.1.2.à ïðÿìîóãîëüíèêîì.
Äèàãðàììû ðèñ.3.1.2. õîðîøî èëëþñòðèðóþò îñíîâíóþ èäåþ èçìåðåíèÿ äàâëåíèÿ êðîâè, êîòîðàÿ ñâîäèòñÿ â ïîëó÷åíèè è àíàëèçå äàííûõ, ïðèõîäÿùèõ ñ äàò÷èêà è àêòèâíîãî ôèëüòðà.
Ñòðóêòóðíàÿ ñõåìà óñòðîéñòâà.
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11
Ðèñ.3.1.1.
Äèàãðàììû èçìåðåíèÿ êðîâÿíîãî äàâëåíèÿ
Ðèñ.3.1.2.
3.2 Àíàëèç ðåñóðñîâ ââîäà-âûâîäà
Ìèêðîêîíòðîëëåðû ñåìåéñòâà HC08 ôèðìû MOTOROLA èìåþò çàêðûòóþ àðõèòåêòóðó, êîòîðàÿ õàðàêòåðèçóåòñÿ îòñóòñòâèåì ëèíèé ìàãèñòðàëåé àäðåñà è äàííûõ íà âûâîäàõ êîðïóñà ìèêðîêîíòðîëëåðà. Ìèêðîêîíòðîëëåð ïðåäñòàâëÿåò ñîáîé çàêîí÷åííóþ ñèñòåìó îáðàáîòêè äàííûõ, íàðàùèâàíèå ïàìÿòè èëè ïåðèôåðèéíûõ óñòðîéñòâ ñ èñïîëüçîâàíèåì ïàðàëëåëüíûõ ìàãèñòðàëåé àäðåñà è äàííûõ íå ïðåäïîëàãàåòñÿ. Ïîýòîìó àíàëèç ðåñóðñîâ ââîäà-âûâîäà, äîëæåí ïðîèñõîäèòü â ñàìîì íà÷àëå ðàçðàáîòêè, ò.ê. â ïðîòèâíîì ñëó÷àå ìîæåò âîçíèêíóòü ñèòóàöèÿ íåõâàòêè ëèíèé ââîäà-âûâîäà.
Íà ïðèíöèïèàëüíîé ñõåìå èçîáðàæ¸ííîé íà ðèñ.5.1. ìîæíî ïîäñ÷èòàòü, ÷òî ó ìèêðîêîíòðîëëåðà äîëæíî áûòü íå ìåíåå 13 ëèíèé ââîäà-âûâîäà(11 ëèíèé äëÿ ðàáîòû ñ ÆÊÈ-ìîäóëåì è äâå ëèíèè äëÿ ðàáîòû ñ äàò÷èêîì äàâëåíèÿ).
 äàííîì ñëó÷àå áûë âûáðàí ìèêðîêîíòðîëëåð MC68HC908JL3, êîòîðûé èìååò 22 ëèíèè ââîäà-âûâîäà. Òî åñòü, ïî ñóòè äåëà ó íàñ îñòà¸òñÿ ñâîáîäíûìè, 9-òü ëèíèé ââîäà-âûâîäà, êîòîðûå ìîæíî èñïîëüçîâàòü äëÿ ðàçëè÷íûõ óñîâåðøåíñòâîâàíèé ïðèáîðà. Íàïðèìåð, ìîæíî äîïîëíèòåëüíî â ïðèáîðå ñäåëàòü ÷àñû, òàêæå ìîæíî ñäåëàòü, ÷òîáû ïðèáîð èçìåðÿë äàâëåíèå â àâòîìàòè÷åñêîì ðåæèìå, äëÿ ýòîãî íåîáõîäèì êîìïðåññîð, êîòîðûé áóäåò íàãíåòàòü äàâëåíèå â ìàíæåòó. Âñå ýòè äîðàáîòêè íåïîñðåäñòâåííî ïîâëåêóò çà ñîáîé, çàäåéñòâîâàíèå äîïîëíèòåëüíûõ ëèíèé ââîäà-âûâîäà.
4. Ñòðóêòóðà àëãîðèòìà ïðîãðàììû
4.1 Îáîáù¸ííàÿ ÁÑÀ
Îáîáù¸ííàÿ ÁÑÀ ïðîãðàììû, óïðàâëÿþùåé ñèñòåìîé, ïðèâåäåíà íà ðèñ.4.1.2. Ïîñëå âêëþ÷åíèÿ ïèòàíèÿ ïðîèñõîäèò èíèöèàëèçàöèÿ âñåé ñèñòåìû. Ïîñëå ýòîãî ìèêðîêîíòðîëëåð æä¸ò íàêà÷êè ìàíæåòû, îñóùåñòâëÿÿ öèêëè÷åñêóþ ïðîâåðêó îêîí÷àíèÿ íàêà÷êè. Êîãäà ñèãíàë äàò÷èêà óìåíüøàåòñÿ â òå÷åíèè áîëåå ÷åì 0,75 ñåêóíä, ýòî ñâèäåòåëüñòâóåò, ÷òî ïîëüçîâàòåëü áîëüøå íå íàêà÷èâàåò ìàíæåòó, è ìèêðîêîíòðîëëåð íà÷èíàåò àíàëèçèðîâàòü ñèãíàë êîëåáàíèÿ. Àíàëèç ñèãíàëà êîëåáàíèÿ ñâîäèòñÿ ê èäåíòèôèêàöèè àìïëèòóäû ïóëüñà è îñóùåñòâëÿåòñÿ â áëîêàõ 3 è 4.
Ïîðîãîâûé óðîâåíü äëÿ èçìåðåíèÿ ÷àñòîòû èìïóëüñîâ óñòàíîâëåí ðàâíûì 1,75V, ÷òîáû óñòðàíèòü øóìû èëè âñïëåñêè. Êàê òîëüêî àìïëèòóäà ïóëüñà èäåíòèôèöèðîâàíà, ìèêðîêîíòðîëëåð èãíîðèðóåò ñèãíàë â òå÷åíèè 450 ìS, ÷òîáû ïðåäîòâðàòèòü ëîæíóþ èäåíòèôèêàöèþ èç-çà íàëè÷èÿ ïðîìåæóòî÷íîãî ìàêñèìóìà êîëåáàíèÿ. Ïîñëå ÷åãî â áëîêå 5 ïðîèñõîäèò âû÷èñëåíèå ïðîèçâîäíîé àìïëèòóäû ïóëüñà. Èìåííî ïî ïðîèçâîäíîé àìïëèòóäû ïóëüñà îïðåäåëÿåòñÿ äàâëåíèå êðîâè, áëîê 6.
Èç ãðàôèêà ïîêàçàííîãî íà ðèñ.4.1.1., ìîæíî óâèäåòü, ÷òî îñíîâíîé ïðèíöèï èçìåðåíèÿ îñíîâàí íà ñðàâíåíèè ïðîèçâîäíîé ñ 2-ìÿ ïîðîãàìè, Ïîðîã1 è Ïîðîã2. Áîëåå ïîäðîáíî, ýòî áóäåò ðàññìîòðåíî â ïóíêòå 4.2.
Ãðàôèê ïðîèçâîäíîé àìïëèòóäû ïóëüñà.
Ïîðîã2
Ïîðîã1
Ïîñëå òîãî êàê óñòðîéñòâî îïðåäåëèò äàâëåíèå è ïóëüñ, îíî ïðîâåðÿåò, åñòü îøèáêè â èçìåðåíèè èëè íåò. Åñëè îøèáêè åñòü, òî ìèêðîêîíòðîëëåð âûâîäèò ñîîáùåíèå îá îøèáêè, ïîñëå ÷åãî, åñëè ìàíæåòà ñïóùåíà, ò.å. äàâëåíèå âíóòðè ìàíæåòû ðàâíî àòìîñôåðíîìó äàâëåíèþ, òî óñòðîéñòâî íà÷èíàåò èçìåðåíèå ïî íîâîìó. Åñëè îøèáîê íåò, òî èíôîðìàöèÿ î äàâëåíèè è ïóëüñå âûâîäèòñÿ íà èíäèêàòîð, ïîñëå ÷åãî ñèñòåìà îïÿòü ñìîòðèò, åñëè ìàíæåòà ñïóùåíà, òî èçìåðåíèå äàâëåíèÿ ïðîèñõîäèò ïî íîâîìó, åñëè ìàíæåòà íå ñïóùåíà, òî ïðîãðàììà çàöèêëåâàåòñÿ è æä¸ò ñïóñêà ìàíæåòû.
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Ðèñ.4.1.2. Îáîáù¸ííàÿ ÁÑÀ.
4.2 Ðàáî÷àÿ ÁÑÀ
4.2.1 ÁÑÀ îñíîâíîé ïðîãðàììû
Ðàáî÷àÿ ÁÑÀ ïðèäñòàâëåííà íà ðèñ.4.2.1.2.. íà÷àëå ïðîãðàììû ïðîèñõîäèò èíèöèàëèçàöèÿ, áëîê 1, â êîòîðîì ïðîèñõîäèò èíèöèàëèçàöèÿ ïîðòîâ ââîäà-âûâîäà, ÀÖÏ è òàéìåðà. Ïîñëå ÷åãî â áëîêå 2 îáíóëÿþòñÿ âñå ïåðåìåííûå, çàäåéñòâîâàííûå â äàííîé ïðîãðàììå. Êàê òîëüêî, ýòî âñ¸ âûïîëíèòñÿ, ïðîèñõîäèò çàïóñê ÀÖÏ(áëîê 4), ó êîòîðîãî àíàëîãîâûì âõîäîì ÿâëÿåòñÿ ëèíèÿ ÐÒÂ0.
Ïåðâûé ðåçóëüòàò ïðåîáðàçîâàíèÿ àíàëîãîâîãî ñèãíàëà, çàíîñèòñÿ â ÿ÷åéêó ïàìÿòè CONST, è îçíà÷àåò çíà÷åíèå êîäà ïðè íóëåâîì äàâëåíèè. Ïîñëå ýòîãî íà èíäèêàòîð âûâîäÿòñÿ ñèìâîëû êàê ïîêàçàíî íà ðèñ.4.2.1.1., è â ìëàäøåì ðàçðÿäå “ñèñ:” çàæèãàåòñÿ 0. Ïîñëå ÷åãî, èä¸ò ïðîöåäóðà îæèäàíèÿ îêîí÷àíèÿ íàêà÷êè ìàíæåòû.
äèà õ õ õ ïóë õ õ õ
ðèñ.4.2.1.1. Ðàñïîëîæåíèå ñèìâîëîâ íà èíäèêàòîðå.
Îíà çàêëþ÷àåòñÿ â ñëåäóþùåì.  ÿ÷åéêó ïàìÿòè del çàíîñèòñÿ ÷èñëî ñîîòâåòñòâóþùåå çàäåðæêå 0,75 ñåêóíäû( áë.12).  áëîêàõ 16 è 15 îðãàíèçîâàí öèêë, ïîñëå âûïîëíåíèÿ êîòîðîãî, ïðîèñõîäèò èíäèêàöèÿ òåêóùåãî äàâëåíèÿ (áë. 17 – 21). Ïîñëå ÷åãî äåëàåòñÿ äåêðåìåíò ÿ÷åéêè ïàìÿòè del. Åñëè del0 òî, ïðîãðàììà ïåðåõîäèò ê âûïîëíåíèþ áë.13. è âñå ïðîèñõîäèò çàíîâî. Åñëè del=0, òî â áë.25. ïðîèñõîäèò ñðàâíåíèå äàâëåíèÿ äî çàäåðæêè è ïîñëå çàäåðæêè. Åñëè äàâëåíèå ïîñëå çàäåðæêè áîëüøå äàâëåíèÿ äî çàäåðæêè, òî ïðîãðàììà ïåðåõîäèò ê âûïîëíåíèþ áë.12. è äàííàÿ ïðîöåäóðà ïîâòîðÿåòñÿ. Åñëè æå äàâëåíèå ïîñëå çàäåðæêè ìåíüøå äàâëåíèÿ äî çàäåðæêè, òî ýòî îçíà÷àåò, ÷òî ïîëüçîâàòåëü ïðåêðàòèë íàêà÷êó ìàíæåòû, è ïðîãðàììà ïåðåõîäèò íà ïðîöåäóðó îïðåäåëåíèÿ àìïëèòóäû.
 íà÷àëå ïðîöåäóðû, â áëîêå 30 ïðîèñõîäèò ñðàâíåíèå íàïðÿæåíèÿ ñíèìàåìîãî ñ àêòèâíîãî ôèëüòðà (âõîä ÐÒÂ1) ñ çàäàííûì ïîðîãîì íàïðÿæåíèÿ (1,75V). Åñëè ïîðîãîâîå íàïðÿæåíèå áîëüøå íàïðÿæåíèÿ ñíèìàåìîãî ñ ÀÔ, òî ïðîãðàììà çàöèêëåâàåòñÿ è îæèäàåò êîãäà íàïðÿæåíèå ñ ÀÔ áóäåò áîëüøå ïîðîãîâîãî. Ïðè÷¸ì, åñëè â òå÷åíèè 5 ñåêóíä ïðîãðàììà íàõîäèòñÿ â öèêëå, òî èçìåðåíèå ïðåêðàùàåòñÿ è âûâîäèòñÿ ñîîáùåíèå îá îøèáêè. Åñëè Upress1>Ïîð, òî ïðîèñõîäèò ñáðîñ ÿ÷åéêè ïàìÿòè OVSEC, è äàëåå ïðîèñõîäèò îïðåäåëåíèå çíà÷åíèÿ àìïëèòóäû (áë. 33 – 37).
Êàê òîëüêî, àìïëèòóäà áóäåò îïðåäåëåííà, ïðîèñõîäèò ñáðîñ è ïåðåçàïóñê òàéìåðà, à òàêæå îáíóëåíèå SEC10 è SEC (áë. 38). Ïîñëå ÷åãî çíà÷åíèå àìïëèòóäû çàíîñèòñÿ â ÿ÷åéêó ïàìÿòè ÀÌÐ2 (áë. 39). Äàëåå ÀÖÏ ïåðåêëþ÷àåòñÿ íà âõîä ÐÒÂ0 (áë. 40), è ðåçóëüòàò âòîðîãî ïðåîáðàçîâàíèÿ çàíîñèòñÿ â UDAV (ýòîò ðåçóëüòàò ïîêàçûâàåò äàâëåíèå â ìàíæåòå), ïîñëå ÷åãî ÀÖÏ îáðàòíî ïåðåêëþ÷àåòñÿ íà âõîä ÐÒÂ1. Êàê òîëüêî ÀÖÏ ïåðåêëþ÷èòñÿ íà âõîä ÐÒÂ1, ÿ÷åéêà ïàìÿòè PULSE, â êîòîðîé íàõîäèòñÿ êîë-âî ïóëüñàöèé, èíêðåìåíòèðóåòñÿ. À äàëåå èäåò ïðîöåäóðà âû÷èñëåíèÿ ïðîèçâîäíîé àìïëèòóäû.
Ïðîèçâîäíàÿ âû÷èñëÿåòñÿ ïî ôîðìóëå:
,
ãäå, AMP1 è AMP2 – àìïëèòóäû;
time – âðåìÿ ìåæäó àìïëèòóäàìè.
Ïðè ïåðâîì âõîäå â ïðîöåäóðó SB=0 (áë.50), âû÷èñëÿåòñÿ âðåìÿ èìïóëüñà è çàíîñèòñÿ â ÿ÷åéêó ïàìÿòè time1 (áë.52 – 55). Ïîñëå ÷åãî ïðîâåðÿåòñÿ (áë.56), åñëè ïåðâàÿ àìïëèòóäà íàõîäèòñÿ â ÀÌÐ2, à âòîðàÿ â ÀÌÐ1, òî îíè ìåíÿþòñÿ ìåñòàìè (áë.57 – 59) è ïðîãðàììà ïåðåõîäèò íà âûïîëíåíèå áë.29, ò.å. îïðåäåëåíèå àìïëèòóäû íà÷èíàåòñÿ ñíà÷àëà. Åñëè ïåðâàÿ àìïëèòóäà íàõîäèòñÿ â ÀÌÐ1, à âòîðàÿ â ÀÌÐ2, òî íè÷åãî íå ïðîèñõîäèò, è îïðåäåëåíèå àìïëèòóäû íà÷èíàåòñÿ çàíîâî.
Ïðè ïîñëåäóþùåì âõîäå SB=1, â íà÷àëå òàêæå îïðåäåëÿåòñÿ âðåìÿ èìïóëüñà, íî äàëåå ñìîòðèòñÿ:
1. Åñëè ÐÂ=0, òî çíà÷åíèå âðåìåíè çàíîñèòñÿ â time2, ïîñëå ÷åãî èç time2 âû÷èòàåòñÿ time1, è Рóñòàíàâëèâàåòñÿ â “1” (áë.64 – 66).
2. Åñëè ÐÂ=1, òî çíà÷åíèå âðåìåíè çàíîñèòñÿ â time1, ïîñëå ÷åãî èç time1 âû÷èòàåòñÿ time2, è Рóñòàíàâëèâàåòñÿ â “0” (áë.61 – 63).
È â ïåðâîì, è âî âòîðîì ñëó÷àå, ðåçóëüòàò ïðåîáðàçîâàíèÿ çàíîñèòñÿ â time3 (áë.67).
 áëîêå 68 ïðîèñõîäèò îïðåäåëåíèå ðàçíîñòè ìåæäó ÀÌÐ2 è ÀÌÐ1. Äàëåå â áëîêàõ 69 – 73 âû÷èñëÿåòñÿ ïðîèçâîäíàÿ. Ïîñëå ÷åãî ïðîãðàììà ïåðåõîäèò ê ïðîöåäóðå îïðåäåëåíèÿ äàâëåíèÿ.
Èç ãðàôèêà ïîêàçàííîãî íà ðèñ.4.2.1.1. âèäíî, ÷òî ïåðâàÿ ïðîèçâîäíàÿ, êîòîðàÿ áîëüøå ïîðîãà ÏÎÐÎÃ1 ÿâëÿåòñÿ îïðåäåëÿþùåé äëÿ ñèñòîëè÷åñêîãî äàâëåíèÿ, ò.å. ïî íåé îïðåäåëÿþò ñèñòîëè÷åñêîå äàâëåíèå. Ïîñëåäóþùåå ïðîèçâîäíûå, êîòîðûå áîëüøå ïîðîãà ÏÎÐÎÃ1, íî ìåíüøå ïîðîãà ÏÎÐÎÃ2 íå ÿâëÿþòñÿ îïðåäåëÿþùèìè è èãíîðèðóþòñÿ. Êîãäà ïðîèçâîäíàÿ áóäåò áîëüøå ïîðîãà ÏÎÐÎÃ2, òî îíà ñòàíåò îïðåäåëÿþùåé äëÿ äèàñòîëè÷åñêîãî äàâëåíèÿ. Ïîýòîìó â ïðîöåäóðå îïðåäåëåíèÿ äàâëåíèÿ, ñíà÷àëà îïðåäåëÿåòñÿ ñèñòîëè÷åñêîå äàâëåíèå (áë.75). Åñëè äàâëåíèå îïðåäåëèëîñü, òî çíà÷åíèå äàâëåíèÿ çàíîñèòñÿ â SIS, ïîñëå ÷åãî áèò QB óñòàíàâëèâàåòñÿ â “1” (áë.77,78), è èä¸ò îïðåäåëåíèå äèàñòîëè÷åñêîãî äàâëåíèÿ. Åñëè äàâëåíèå íå îïðåäåëèëîñü, òî áèò QB íå óñòàíàâëèâàåòñÿ, è äàëåå ïðîèñõîäèò îïðåäåëåíèå äèàñòîëè÷åñêîãî äàâëåíèÿ.
Êàê òîëüêî äèàñòîëè÷åñêîå äàâëåíèå áóäåò îïðåäåëåííî (áë.76), åãî çíà÷åíèå ïåðåíîñèòñÿ â DIA (áë.79). Ïîñëå ÷åãî îñóùåñòâëÿåòñÿ ïðîâåðêà (áë.80), åñëè SIS=0, òî âûâîäèòñÿ ñîîáùåíèå îá îøèáêè, ïîñëå ÷åãî óñòðîéñòâî îæèäàåò ñïóñêà ìàíæåòû (áë.81), ïåðåä ïîâòîðíûì èçìåðåíèåì. Åñëè SIS0, òî èä¸ò âû÷èñëåíèå ÷àñòîòû ïóëüñà (áë.82 – 84) è äàëåå ïðîèñõîäèò èíäèêàöèÿ äàâëåíèÿ è ïóëüñà (áë.85), ïîñëå ÷åãî óñòðîéñòâî îïÿòü îæèäàåò ñïóñê ìàíæåòû ïåðåä ïîâòîðíîé íàêà÷êîé.
Áèò QB ïîçâîëÿåò ñíà÷àëà îïðåäåëÿòü ñèñòîëè÷åñêîå äàâëåíèå, è òîëüêî ïîòîì îïðåäåëÿòü äèàñòîëè÷åñêîå äàâëåíèå, ïðè÷¸ì åñëè ñèñòîëè÷åñêîå äàâëåíèå îïðåäåëåííî, òî â ïîñëåäóþùåì îïðåäåëÿåòñÿ òîëüêî äèàñòîëè÷åñêîå äàâëåíèå.
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Ðèñ.4.2.1.2.
Ðèñ.4.2.1.2.(ïðîäîëæåíèå)
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Ðèñ.4.2.1.2.(ïðîäîëæåíèå)
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Ðèñ.4.2.1.2.(ïðîäîëæåíèå)
Ðèñ.4.2.1.2.(ïðîäîëæåíèå)
Ðèñ.4.2.1.2.(ïðîäîëæåíèå)
4.2.2 ÁÑÀ îáðàáîò÷èêà ïðåðûâàíèÿ îò òàéìåðà
ÁÑÀ îáðàáîò÷èêà ïðåðûâàíèÿ îò òàéìåðà, ïðåäñòàâëåíà íà ðèñ.4.2.2.1. Äëÿ ïðàâèëüíîé ðàáîòû îáðàáîò÷èêà, íåîáõîäèìî ÷àñòîòó òàêòèðîâàíèÿ òàéìåðà ñäåëàòü ðàâíîé 125êÃö, ò.å. Fbus/8, à â ðåãèñòð ïåðèîäà çàãðóçèòü ÷èñëî 12499. Òîãäà ÷åðåç êàæäûå 0,1 S áóäåò âûçûâàòüñÿ îáðàáîò÷èê ïðåðûâàíèÿ îò òàéìåðà.
 íà÷àëå ïîäïðîãðàììû îáðàáîò÷èêà íåîáõîäèìî ñáðîñèòü ôëàã TOF(áë.1), èíà÷å â ïðîòèâíîì ñëó÷àå ñëåäóþùèé çàïðîñ íà ïðåðûâàíèå “ïîòåðÿåòñÿ”.
Ïîñëå òîãî, êàê ôëàã áóäåò ñáðîøåí, ïîäïðîãðàììà ïåðåõîäèò ê âûïîëíåíèþ áëîêà 2, â êîòîðîì îíà äåëàåò èíêðåìåíò ÿ÷åéêè ïàìÿòè Sec10(â íåé íàõîäÿòñÿ 10-å äîëè ñåêóíäû). Êàê òîëüêî Sec10 ñòàíåò ðàâíûì 9-è (áë.3), ïðîèñõîäèò î÷èñòêà, ò.å. îáíóëåíèå, Sec10 (áë.4) è äåëàåòñÿ èíêðèìåíò ÿ÷åéêè ïàìÿòè Sec (â êîòîðîé íàõîäÿòñÿ öåëûå ñåêóíäû).
 áëîêàõ 6,7 ïðîèñõîäèò îòñ÷¸ò âðåìåíè äî 2-õ ìèíóò, ïîñëå ÷åãî óñòàíàâëèâàåòñÿ áèò Dvb(áë.8), êîòîðûé êîíòðîëèðóåò âðåìÿ íàõîæäåíèÿ â ïðîãðàììû â öèêëå (áë.30,31,29) ñì. ðèñ.4.2.1.2.
Ðèñ.4.2.2.1.
4.2.3 ÁÑÀ îáðàáîò÷èêà ïðåðûâàíèé îò ÀÖÏ
ÁÑÀ îáðàáîò÷èêà ïðåðûâàíèé îò ÀÖÏ ïðåäñòàâëåííà íà ðèñ.4.2.3.1.
Áèò ab (áë.1) îïðåäåëÿåò àíàëîãîâûé âõîä ÀÖÏ, èëè ÐÒÂ0, èëè ÐÒÂ1. Ðàññìîòðèì ñëó÷àé êîãäà àíàëîãîâûì âõîäîì ÿâëÿåòñÿ ëèíèÿ ÐÒÂ0, ò.å. ab=0.
 áëîêå 2 îïðåäåëÿåòñÿ, áûë ëè ðàíåå ó ÀÖÏ àíàëîãîâûé âõîä ÐÒÂ0:
1. Åñëè íå áûë (ab2=0), òî ïðîèñõîäèò ñáðîñ áèòà ab1, êîòîðûé âûïîëíÿåò àíàëîãè÷íóþ ôóíêöèþ, òîëüêî ïîêàçûâàåò, áûë ëè ðàíåå ó ÀÖÏ, àíàëîãîâûé âõîä ÐÒÂ1. Ïîñëå ÷åãî ïðîèñõîäèò óñòàíîâêà áèòà ab2 â 1 (áë.4), è çàïóñê ÀÖÏ ñ àíàëîãîâûì âõîäîì ÐÒÂ0 (áë.7). Äàëåå ïðîãðàììà âûõîäèò èç îáðàáîò÷èêà.
2. Åñëè áûë (ab2=1), òî â áëîêå 5 óñòàíàâëèâàåòñÿ áèò ÑÎÑÎ1, ñèãíàëèçèðóþùèé î òîì, ÷òî ïðåîáðàçîâàíèå çàâåðøåíî, ïîñëå ÷åãî ðåçóëüòàò èç ðåãèñòðà äàííûõ ÀÖÏ ïåðåíîñèòñÿ â ÿ÷åéêó ïàìÿòè Upress, è ïðîèñõîäèò çàïóñê ÀÖÏ ñ àíàëîãîâûì âõîäîì ÐÒÂ0 (áë.7). Ïîñëå ÷åãî ïðîãðàììà âûõîäèò èç îáðàáîò÷èêà.
 ñëó÷àå êîãäà àíàëîãîâûì âõîäîì ÿâëÿåòñÿ ëèíèÿ ÐÒÂ1 (ab=1), âñ¸ ïðîèñõîäèò àíàëîãè÷íî.
Áèò ab2 è ab1 íåîáõîäèìû äëÿ êîððåêòíîé ðàáîòû ïîäïðîãðàììû. Òî åñòü, åñëè àíàëîãîâûì âõîäîì ÿâëÿåòñÿ ëèíèÿ ÐÒÂ0, òî ïðè ñìåíå àíàëîãîâîãî âõîäà íà ÐÒÂ1, ïåðâûé ðåçóëüòàò ïðåîáðàçîâàíèÿ îêàæåòñÿ ëîæíûì, îí íå áóäåò ñîîòâåòñòâîâàòü çíà÷åíèþ ñèãíàëà íà âõîäå ÐÒÂ1. Ïîýòîìó ÷òîáû ýòîãî íå ñëó÷èëîñü, ââîäÿòñÿ áèòû ab2 è ab1.
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Ðèñ.4.2.3.1.
4.2.4 ÁÑÀ ïîäïðîãðàììû òàáëè÷íîé ïåðåêîäèðîâêè íàïðÿæåíèå â äàâëåíèå.
ÁÑÀ ïîäïðîãðàììû òàáëè÷íîé ïåðåêîäèðîâêè íàïðÿæåíèÿ â äàâëåíèå ïðåäñòàâëåííà íà ðèñ. 4.2.4.1.
 íà÷àëå ïîäïðîãðàììû ïðîèñõîäèò ñîõðàíåíèå ðåãèñòðîâ CPU â ñòåêå (áë.1). Äàëåå ïðîèñõîäèò âû÷èñëåíèå èñòèííîãî äàâëåíèÿ(áë.2), ïîñëå ÷åãî ðåçóëüòàò ïðîäåëàííîé îïåðàöèè çàíîñèòñÿ â Udav (áë.3).  áëîêå 4 ïðîèñõîäèò çàãðóçêà ÷èñëà â ðåãèñòð Õ, çàòåì ñëåäóåò êîìàíäà òàáëè÷íîé ïåðåêîäèðîâêè ( áë.5), ãäå TCP – íà÷àëî òàáëèöû ïåðåêîäèðîâêè. Ïîñëå ÷åãî, â áëîêå 6, ïåðåêîäèðîâàííîå ÷èñëî çàíîñèòñÿ â Udav, â áëîêå 7 âîññòàíàâëèâàþòñÿ èç ñòåêà ðåãèñòðû CPU, è ïðîãðàììà âûõîäèò èç îáðàáîò÷èêà.
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Ðèñ.4.2.4.1.
4.2.5 ÁÑÀ ïîäïðîãðàììû âûâîäà ÷èñëà íà èíäèêàöèþ
ÁÑÀ âûâîäà ÷èñëà íà èíäèêàöèþ ïðåäñòàâëåíà íà ðèñ.4.2.5.1.
 ÿ÷åéêó ïàìÿòè ci çàíîñèòñÿ ÷èñëî (áë.2) ðàâíîå êîë-âó öèôð âûâîäèìûõ íà èíäèêàòîð.
 áëîêå 5 ïðîèñõîäèò çàãðóçêà ÷èñëà äëÿ òàáëè÷íîé ïåðåêîäèðîâêè, â ðåãèñòð Õ. Ïîñëå ÷åãî â áë.6 ñëåäóåò êîìàíäà òàáëè÷íîé ïåðåêîäèðîâêè ÷èñëà äëÿ èíäèêàöèè, ãäå TCI – ýòî íà÷àëî êîäîâîé òàáëèöû. Ïîñëå ýòîé êîìàíäû, ïðîèñõîäèò ïåðåäâèæåíèå ïî ÿ÷åéêàì BCDxxx.
 áëîêàõ 8,9 ïðîèñõîäèò çàïèñü ïåðåêîäèðîâàííîãî ÷èñëà â îäíó èç ÿ÷ååê ïàìÿòè INDxxx, ïîñëå ÷åãî â áëîêå 10 èä¸ò ïåðåäâèæåíèå ïî ÿ÷åéêàì INDxxx.
 áëîêå 11 ïðîèñõîäèò íàñòðîéêà èíäèêàòîðà íà ïðè¸ì àäðåñà, ïîñëå ÷åãî â áëîêå 12 àäðåñ ïåðåäà¸òñÿ â èíäèêàòîð, êîòîðûé ñòðîáèðóåòñÿ èìïóëüñîì îáðàçîâàííûì áëîêàìè 13-15. Ïîñëå ýòîãî ñëåäóåò çàäåðæêà 30 ìêÑ, â òå÷åíèè êîòîðîé èíäèêàòîð âûïîëíÿåò, ñâîè âíóòðåííèå îïåðàöèè.
Êàê òîëüêî çàäåðæêà îêîí÷èëàñü, â áë.17,18 èíäèêàòîð íàñòðàèâàåòñÿ íà ïðè¸ì äàííûõ, è äàëåå ïðîèñõîäèò ïåðåäà÷à äàííûõ (áë.19), êîòîðûå ñòðîáèðóþòñÿ èìïóëüñîì îáðàçîâàííûì áëîêàìè 20-22. Ïîñëå ÷åãî â áëîêå 23 ïðîèñõîäèò çàäåðæêà, ïîñëå êîòîðîé äåêðåìåíòèðóåòñÿ ÿ÷åéêà ïàìÿòè ci, â áëîêàõ 25-27 ïðîèñõîäèò ïîäãîòîâêà äëÿ âûâîäà ñëåäóþùåãî ÷èñëà íà èíäèêàöèþ, è â áë.28 ïðîâåðÿåòñÿ, åñëè ci 0, òî ïîäïðîãðàììà ïåðåõîäèò ê âûïîëíåíèþ áë.6 è âñ¸ íà÷èíàåòñÿ çàíîâî. Åñëè ci=0, òî ïðîãðàììà âûõîäèò èç îáðàáîò÷èêà.
Ðèñ.4.2.5.1.
Ðèñ.4.2.5.1.(ïðîäîëæåíèå)
4.2.6 ÁÑÀ ïîäïðîãðàììû ïåðåâîäà ÷èñëà â BCD ôîðìàò
ÁÑÀ ïîäïðîãðàììû ïåðåâîäà ÷èñëà â BCD ôîðìàò ïðåäñòàâëåíà íà ðèñ.4.2.6.1.
 íà÷àëå ïîäïðîãðàììû, ðåãèñòðû CPU ñîõðàíÿþòñÿ â ñòåêå.  áëîêå 1 ïðîèñõîäèò ïðîâåðêà:
1. Åñëè ÷èñëî áîëüøå 99, òî â áëîêå 3 ïðîèñõîäèò äåëåíèå ÷èñëà íà 100, â ðåçóëüòàòå ýòîé îïåðàöèè, öåëîå ÷àñòíîå ïîìåùàåòñÿ â àêêóìóëÿòîð, à îñòàòîê äåëåíèÿ â ðåãèñòð H. Öåëîå ÷àñòíîå – ýòî ñîòíè ÷èñëà, ïîýòîìó îíè çàíîñÿòñÿ â ÿ÷åéêó ïàìÿòè BCD100 (áë.4), ïîñëå ÷åãî îñòàòîê çàãðóæàåòñÿ â àêêóìóëÿòîð (áë.5), è äåëèòñÿ íà 10 (áë.6).  ðåçóëüòàòå ýòîé îïåðàöèè, â àêêóìóëÿòîðå ïîëó÷àþòñÿ äåñÿòêè ÷èñëà, êîòîðûå çàíîñÿòñÿ â BCD10 (áë.7), à îñòàòîê ÷èñëà ïîêàçûâàåò åäèíèöû è çàíîñèòñÿ â BCD1 (áë.8).
2. Åñëè ÷èñëî ìåíüøå 99, òî îíî ïðîâåðÿåòñÿ â áëîêå 2, åñëè îíî ìåíüøå 9, òî â ÿ÷åéêó ïàìÿòè BCD100,BCD10 çàïèñûâàåòñÿ êîä ïðîáåëà (áë. 11,12), ïîñëå ÷åãî äàííîå ÷èñëî çàïèñûâàåòñÿ â BCD1 (áë.13). Åñëè îíî áîëüøå 9, òî ÷èñëî çàïèñûâàåòñÿ â àêêóìóëÿòîð (áë.9), â ÿ÷åéêó ïàìÿòè BCD100 çàïèñûâàåòñÿ êîä ïðîáåëà, ïîñëå ÷åãî ïðîèñõîäèò äåëåíèå ÷èñëà íà 10 (áë.6) è äàëåå âñ¸ ïðîèñõîäèò êàê â ïóíêòå 1, òîëüêî íà÷èíàÿ ñ áëîêà 6.
3.
Ðèñ.4.2.6.1.
5. Ïðèíöèïèàëüíàÿ ñõåìà óñòðîéñòâà
Ïðèíöèïèàëüíàÿ ñõåìà óñòðîéñòâà èçîáðàæåíà íà ðèñ.5.1.
Çàêëþ÷åíèå
Îáðàòèòå âíèìàíèå íà ïðèíöèïèàëüíóþ ñõåìó ïðèáîðà, â íåé êàê âèäíî ìèíèìóì ýëåìåíòîâ. Ýòî îáúÿñíÿåòñÿ ïðèìåíåíèåì â ñõåìå, ìèêðîêîíòðîëëåðà. Ïðè÷åì âñ¸ èçìåðåíèå îñóùåñòâëÿåòñÿ â ïîëóàâòîìàòè÷åñêîì ðåæèìå è ïðîèñõîäèò â ìèêðîêîíòðîëëåðå. Òåì ñàìûì ïîëüçîâàòåëü ïðèêëàäûâàåò ìèíèìóì óñèëèé äëÿ èçìåðåíèÿ ñâîåãî äàâëåíèÿ.
Òàêèì îáðàçîì ïðèìåíåíèå ìèêðîïðîöåññîðíûõ ñèñòåì â óñòðîéñòâàõ ðàçëè÷íîãî òèïà, ïîçâîëÿåò ñîêðàòèòü êîë-âî ýëåìåíòîâ â ñõåìå, ñäåëàòü óñòðîéñòâî áîëåå êà÷åñòâåííûì, à òàêæå ïîçâîëÿåò îñóùåñòâèòü íàèáîëåå “äðóæåëþáíûé” èíòåðôåéñ ñ ïîëüçîâàòåëåì.
Ïðîãðàììà äëÿ äàííîãî óñòðîéñòâà áûëà íàïèñàíà íà àññåìáëåðå CASM08, îòòðàíñëèðîâàííà è îòëàæåíà íà ICS08JL, ëèñòèíã ïðîãðàììû ïðèâåä¸í â ïðèëîæåíèè.
Ñïèñîê ëèòåðàòóðû
1. Ïàíôèëîâ Ä.È. Äàò÷èêè ôèðìû MOTOROLA. Ìîñêâà. ÄÎÄÝÊÀ. 2000. 96 ñ.
2. ÁÝÊ. Æèäêîêðèñòàëè÷åñêèå èíäèêàòîðû ôèðìû DATA INTERNATIONAL. Ìîñêâà. 1999. 64 ñ.
3. Technical Data. MC68HC908JL3.
4. Technical Data. MPX5050DP.
Ïðèëîæåíèå
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 1
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ïîðòà PTD íà âûâîä
EC05 [04] 6E1C05 71 mov #$1c,DDRB ;Íàñòðàèâàåì ëèíèè
ÐÒÂ2,ÐÒÂ3,ÐÒÂ4 íà âûâîä
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73 ;Èíèöèàëèçàöèÿ èíäèêàòîðà
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EC0F [04] 1801 78 bset 4,PTB ;Ôîðìèðîâàíèå
ñòðîáèðóþùåãî èìïóëüñà
EC11 [01] 9D 79 nop
EC12 [01] 9D 80 nop
EC13 [01] 9D 81 nop
EC14 [01] 9D 82 nop
EC15 [01] 9D 83 nop
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EC18 [05] CDEF08 85 jsr deleysret
EC1B [04] 6E3803 86 mov #$38,PTD ;Óñòàíîâêà âûïîëíÿåìûõ
ôóíêöèé
EC1E [04] 1801 87 bset 4,PTB ;Ôîðìèðîâàíèå
ñòðîáèðóþùåãî èìïóëüñà
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ñòðîáèðóþùåãî èìïóëüñà
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105 ;---------------------------------------------
106
107 main:
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110 sbm:
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EC3E [01] 5C 112 incx
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EC40 [03] 26FB 114 bne sbm
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ñêîãî
EC48 [04] 6E0DA0 117 mov #!13,pr2;Ïîðîã äëÿ äèàñòîëè÷åñêîãî
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EC4B [02] 9A 119 cli ;Ðàçðåøàåì ïðåðûâàíèÿ
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EC4F [05] 0789FD 122 brclr 3,bitf,$
EC52 [04] 1789 123 bclr 3,bitf
EC54 [05] 4E8B8D 124 mov upress,const
125
126 ;--------------------------- ÈÍÄÈÊÀÖÈß ñèñ,äèà,ïóë
127
EC57 [04] 6E0B84 128 mov #!11,bcd100 ;$34 - êîä áóêâû "C"
EC5A [04] 6E0C85 129 mov #!12,bcd10
EC5D [04] 6E0B86 130 mov #!11,bcd1
EC60 [04] 6E0083 131 mov #$0,adres
EC63 [05] CDEEC1 132 jsr IND_RET ;Âûâîä íà èíäèêàöèþ
EC66 [04] 6E0D84 133 mov #!13,bcd100 ;Âûâîä "ÄÈÀ"
EC69 [04] 6E0C85 134 mov #!12,bcd10
EC6C [04] 6E0E86 135 mov #!14,bcd1
EC6F [04] 6E4083 136 mov #$40,adres
EC72 [05] CDEEC1 137 jsr IND_RET
EC75 [04] 6E0F84 138 mov #!15,bcd100 ;Âûâîä "ÏÓË"
EC78 [04] 6E1085 139 mov #!16,bcd10
EC7B [04] 6E1186 140 mov #!17,bcd1
EC7E [04] 6E4983 141 mov #$49,adres
EC81 [05] CDEEC1 142 jsr IND_RET
143
144 ;----------------------------------------------
145
146
147 ;---------- ÈÍÄÈÊÀÖÈß 0 â ðàçäåëå ñèñ ------------------------------;
148
EC84 [04] 6E0A84 149 mov #$a,bcd100 ;Ñèìâîë ïðîáåëà
EC87 [04] 6E0A85 150 mov #$a,bcd10
EC8A [04] 6E0386 151 mov #$03,bcd1 ;Ñèìâîë "0"
EC8D [04] 6E4683 152 mov #$46,adres ;Çàïèñü àäðåñà
EC90 [05] CDEEC1 153 jsr IND_RET
EC93 [04] 1501 154 bclr 2,PTB
EC95 [04] 1701 155 bclr 3,PTB
EC97 [04] 6E0C03 156 mov #$c,PTD ;Âêëþ÷èòü äèñïëåé
157
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 4
158
159 ;-------------------------------------------------
160
EC9A [05] 4E8B92 161 mov upress,cmp1
162
163 ;- Ïðîöåäóðà îæèäàíèÿ îêîí÷àíèÿ íàêà÷êè ìàíæåòû --
164
165 ;- Çàäåðæêà 0.7 ñåêóíäû ñ èíäèêàöèåé òåêóùåãî äàâëåíèÿ --------
166
167 loop:
EC9D [04] 6E0093 168 mov #$0,del
169 loop2:
ECA0 [01] 4F 170 clra
ECA1 [04] C7FFFF 171 sta $ffff ;Ñáðîñ WDOG
172 loop1:
ECA4 [01] 4A 173 deca
ECA5 [03] 26FD 174 bne loop1 ;Åñëè àêêóìóëÿòîð=0 òî
ïåðåõîä íà loop1
ECA7 [05] 4E8B8C 175 mov upress,udav ;êîä íàïðÿæåíèÿ ñ äàò÷èêà çàíîñèì â udav
ECAA [03] 450000 176 ldhx #$0
ECAD [05] CDEE74 177 jsr VOLTS_PRESSURE_RET ;Âûçîâ ïîäïðîãðàììû ïåðåêîäèðîâêè íàïðÿæåíèå â äàâëåíèå
ECB0 [05] 4E8E8F 178 mov dav,y
ECB3 [05] CDEE85 179 jsr BCD_RET
ECB6 [04] 6E0483 180 mov #$04,adres ;çàíåñòè àäðåñ íà÷àëà èíäèêàöèè
ECB9 [05] CDEEC1 181 jsr IND_RET
ECBC [04] 3A93 182 dec del
ECBE [03] 26E0 183 bne loop2 ;Åñëè del=0 òî ïåðåõîä íà loop2
ECC0 [05] 069104 184 brset 3,bitf1,lop ;Åñëè 3 áèò=0 òî çàäåðæêà ïðîèñõîäèò ñíîâà
ECC3 [04] 1691 185 bset 3,bitf1 ;Óñòàíîâèòü 3 áèò â 1
ECC5 [03] 20D6 186 bra loop ;Ïåðåõîä íà loop
187 lop:
ECC7 [04] 1789 188 bclr 3,bitf ;Ñáðîñèòü 3 áèò â 1
189
190 ;-------------------------------------------------
ECC9 [04] C7FFFF 191 sta $ffff
ECCC [03] B68B 192 lda upress ;Çàãðóæàåì upress â àêêóìóëÿòîð äëÿ ñðàâíåíèÿ
ECCE [03] B192 193 cmp cmp1 ;ñ cmp1
ECD0 [03] 2502 194 blo ampmet ;Åñëè À>cmp1, òî
íàêà÷êà ìàíæåòû âñ¸ åù¸ èäåò
ECD2 [03] 20C9 195 bra loop ;ïîýòîìó ïåðåõîäèì íà loop
196
197 ;------- Îïðåäåëåíèå àìïëèòóäû -------------------
198
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 5
199 ampmet:
ECD4 [04] C7FFFF 200 sta $ffff
ECD7 [04] 1089 201 bset 0,bitf ;Óñòàíàâëèâàåì àíàëîãîâûé âõîä ÐÒÂ1
ECD9 [04] 6E3023 202 mov #$30,TMODH ;Èíèöèàëèçàöèÿ
òàéìåðà, ïåðèîä ñ÷¸òà äî 12499
ECDC [04] 6ED324 203 mov #$d3,TMODL ; ÷àñòîòà òàêòèðîâàíèÿ 125000 Ãö
ECDF [04] 6E4320 204 mov #$43,TSC ;Çàïóñê òàéìåðà
205 dvbm:
ECE2 [04] C7FFFF 206 sta $ffff
ECE5 [05] 0A8902 207 brset 5,bitf,rm ;Åñëè öèêë ïðîäîëæàåòñÿ áîëüøå 5 ñåêóíä
ECE8 [03] 2003 208 bra m55 ;òî âûâîäèì ñîîáùåíèå îá îøèáêè
209 rm:
ECEA [03] CCEDFC 210 jmp rorm
211 m55:
ECED [03] B68A 212 lda upress1
ECEF [03] B194 213 cmp por ;Ñðàíèâàåì upress1 c ïîðîãîì por
ECF1 [03] 25EF 214 blo dvbm ;Åñëè upress1<por òî ïåðåõîäèì íà dvbm
ECF3 [03] 3F95 215 clr ovsec ;Ñáðîñ OVsec
ECF5 [05] 4E8A96 216 mov upress1,cmpad ;-----------------------------
217 loopamp:
ECF8 [04] C7FFFF 218 sta $ffff ;-----------------
ECFB [04] 1989 219 bclr 4,bitf ;-----------------
ECFD [05] 0989FD 220 brclr 4,bitf,$ ;Èäåíòèôèêàöèÿ
àìïëèòóäû
ED00 [03] B68A 221 lda upress1 ;-----------------
ED02 [03] B196 222 cmp cmpad ;-----------------
ED04 [03] 22F2 223 bhi loopamp ;Åñëè upress1>cmpad
òî ïåðåõîäèì íà loopamp
224
225 ;---------- Ñáðîñ è ïåðåçàïóñê òàéìåðà -----------
226
ED06 [04] 1A20 227 bset 5,TSC
ED08 [04] 1820 228 bset 4,TSC
ED0A [04] 6E4320 229 mov #$43,TSC
230
231 ;-------------------------------------------------
232
ED0D [05] 4E9697 233 mov cmpad,amp2 ; amp2 íàõîäèòñÿ çíà÷åíèå àìïëèòóäû
ED10 [04] 1189 234 bclr 0,bitf ;Óñòàíàâëèâàåì àíàëîãîâûé âõîä ÐÒÂ0
ED12 [04] 1789 235 bclr 3,bitf ;Îáíóëÿåì áèò ÑÎÑÎ1
ED14 [05] 0789FD 236 brclr 3,bitf,$ ;Åñëè ÑÎÑÎ1=0 òî
çàöèêëåâàåìñÿ
ED17 [05] 4E8B8C 237 mov upress,udav ;Êîä íàïðÿæåíèÿ ñ
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 6
äàò÷èêà â udav
ED1A [04] 1089 238 bset 0,bitf ;Óñòàíàâëèâàåì
àíàëîãîâûé âõîä ÐÒÂ1
ED1C [04] 3C90 239 inc pulse ;Â pulse êîë-âî
àìïëèòóä
ED1E [03] B697 240 lda amp2
ED20 [03] B198 241 cmp amp1
ED22 [03] 220B 242 bhi proim ;Åñëè amp2>amp1 òî
ïåðåõîä íà proim
ED24 [05] 4E98A4 243 mov amp1,pmem1 ;-----------------
ED27 [05] 4E9798 244 mov amp2,amp1 ;Ìåíÿåì ìåñòàìè
amp2 ñ amp1
ED2A [05] 4EA497 245 mov pmem1,amp2 ;-----------------
ED2D [04] 1E89 246 bset 7,bitf ;Óñòàíàâëèâàåì â 1
áèò cb
247
248 ;--- Ïðîöåäóðà âû÷èñëåíèÿ ïðîèçâîäíîé àìïëèòóäû --
249 proim:
ED2F [04] C7FFFF 250 sta $ffff
ED32 [05] 00913E 251 brset 0,bitf1,mtime ;Åñëè âõîä â
ïðîöåäóðó 2-îé ðàç òî ïåðåõîä íà mtime
ED35 [04] 1091 252 bset 0,bitf1 ;Óñòàíàâëèâàåì sb â 1
ED37 [03] BE99 253 ldx sec
ED39 [02] A60A 254 lda #!10
ED3B [05] 42 255 mul ;Óìíîæàåì sec íà 10
ED3C [01] 8C 256 clrh
ED3D [01] 5F 257 clrx
ED3E [03] BB9A 258 add sec10 ;Ðåçóëüòàò óìíîæåíèÿ
ñêëàäûâàåì ñ sec10,
259 ;ïîëó÷àåì âðåìÿ èìïóëüñà
ED40 [03] B79B 260 sta time1 ;Âðåìÿ èìïóëüñà
çàíîñèì â time1
261 cbm:
ED42 [05] 0F8908 262 brclr 7,bitf,perem ;Åñëè amp2 è amp1
ìåíÿëèñü ìåñòàìè òî
ED45 [04] 1F89 263 bclr 7,bitf ;ìåíÿåì èõ îáðàòíî
ED47 [05] 4E97A4 264 mov amp2,pmem1 ;-------------------
ED4A [05] 4E9897 265 mov amp1,amp2 ;-------------------
266 perem:
ED4D [05] 4E9798 267 mov amp2,amp1 ;amp2 çàíîñèì â amp1
268
269 ;- Çàäåðæêà ñ èíäèêàöèåé òåêóùåãî äàâëåíèÿ 0.3 ñåêóíäû ---------------------;
270
271
ED50 [04] 6E0093 272 mov #$0,del
273 loop20:
ED53 [01] 4F 274 clra
ED54 [04] C7FFFF 275 sta $ffff ;Ñáðîñ WDOG
276 loop11:
ED57 [01] 4A 277 deca
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 7
ED58 [03] 26FD 278 bne loop11
ED5A [05] 4E8B8C 279 mov upress,udav
ED5D [03] 450000 280 ldhx #$0
ED60 [05] CDEE74 281 jsr VOLTS_PRESSURE_RET;Âûçîâ ïîäïðîãðàììû ïåðåêîäèðîâêè íàïðÿæåíèå â äàâëåíèå
ED63 [05] 4E8E8F 282 mov dav,y
ED66 [05] CDEE85 283 jsr BCD_RET
ED69 [04] 6E0483 284 mov #$04,adres ;çàíåñòè àäðåñ íà÷àëà èíäèêàöèè
ED6C [05] CDEEC1 285 jsr IND_RET
ED6F [04] 3A93 286 dec del
ED71 [03] 26E0 287 bne loop20
288
289
290
291 ;---------------------------------------------
292
293 mtime:
ED73 [04] C7FFFF 294 sta $ffff
ED76 [03] BE99 295 ldx sec
ED78 [02] A60A 296 lda #!10
ED7A [05] 42 297 mul ;sec óìíîæàåì íà 10
ED7B [03] BB9A 298 add sec10 ;sec10+ðåçóëüòàò
óìíîæåíèÿ
ED7D [05] 039108 299 brclr 1,bitf1,time2m ;Åñëè pb=0 òî
ïåðåõîäèì íà time2m
ED80 [03] B79B 300 sta time1 ;Âðåìÿ èìïóëüñà â
time1
ED82 [03] B09C 301 sub time2 ;Âû÷èòàåì èç
time1,time2
ED84 [04] 1391 302 bclr 1,bitf1 ;Îáíóëÿåì pb
ED86 [03] 2006 303 bra raznom
304 time2m:
ED88 [03] B79C 305 sta time2 ;Âðåìÿ èìïóëüñà â
time2
ED8A [03] B09B 306 sub time1 ;Âû÷èòàåì èç
time2,time1
ED8C [04] 1291 307 bset 1,bitf1 ;Óñòàíàâëèâàåì pb
308 raznom:
ED8E [03] B79D 309 sta time3 ;Ðàçíîñòü âðåìåíè â
Time3
ED90 [03] B697 310 lda amp2 ;-------------------
------
ED92 [03] B098 311 sub amp1 ;Âû÷èñëÿåì ðàçíîñòü àìïëèòóä ðåç. â àêêóìóëÿòîðå
ED94 [02] AE0A 312 ldx #!10 ;Ðàçíîñòü àìïëèòóä
óìíîæàåì íà 10
ED96 [05] 42 313 mul ;-------------------
-------------
ED97 [03] BFA4 314 stx pmem1
ED99 [04] 55A4 315 ldhx pmem1
ED9B [03] BE9D 316 ldx time3
ED9D [07] 52 317 div ;Ðàçíîñòü àìïëèòóä óìíîæåííàÿ íà 10 äåëèì íà time3
318 ;â ðåçóëüòàòå ïîëó÷àåì ïðîèçâîäíóþ àìïëèòóä
319
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 8
320 ;--------------------- Ïðîöåäóðà îïðåäåëåíèÿ
äàâëåíèÿ ----------------------------------;
321
ED9E [05] 049109 322 brset 2,bitf1,pr2m ;Åñëè qb=1 òî
ïåðåõîäèì íà pr2m
EDA1 [03] B19E 323 cmp pr1 ;pr1 - ïîðîã äëÿ
ñèñòîëè÷åñêîãî äàâëåíèÿ
EDA3 [03] 2505 324 blo pr2m ;Åñëè ïðîèçâîäíàÿ
ìåíüøå pr1 òî ïåðåõîä íà pr2m
EDA5 [05] 4E8C9F 325 mov udav,sis ;Çàíîñèì çíà÷åíèå
äàâëåíèÿ â sis
EDA8 [04] 1489 326 bset 2,bitf ;Óñòàíàâëèâàåì qb â
1
327 pr2m:
EDAA [04] C7FFFF 328 sta $ffff
EDAD [03] B1A0 329 cmp pr2 ;pr2 - ïîðîã äëÿ
äèàñòîëè÷åñêîãî äàâëåíèÿ
EDAF [03] 2591 330 blo cbm ;Åñëè ïðîèçâîäíàÿ
ìåíüøå pr2 òî ïåðåõîä íà cbm
EDB1 [05] 4E8CA1 331 mov udav,dia ;Çíà÷åíèå äàâëåíèÿ
çàíîñèì â dia
EDB4 [02] A600 332 lda #!0
EDB6 [03] B19F 333 cmp sis
EDB8 [03] 2342 334 bls rorm ;Åñëè sis=<0 òî
ïåðåõîäèì íà rorm
EDBA [02] A63C 335 lda #!60 ;Âû÷èñëÿåì óñðåäí¸ííîå çíà÷åíèå ïóëüñà
EDBC [03] BE99 336 ldx sec ;-----------------
EDBE [07] 52 337 div ;-----------------
EDBF [03] BE90 338 ldx pulse ;-----------------
EDC1 [05] 42 339 mul ;-----------------
EDC2 [03] B7A2 340 sta pul ;-----------------
341
342 ;--------------------- Èíäèêàöèÿ äàâëåíèÿ è ïóëüñà
-----------------------------------;
343
EDC4 [04] C7FFFF 344 sta $ffff
EDC7 [05] 4E9F8C 345 mov sis,udav ;Âûâîä ñèñòîëè÷åñêîãî äàâëåíèÿ
EDCA [05] CDEE74 346 jsr VOLTS_PRESSURE_RET ;Âûçîâ
ïîäïðîãðàììû ïåðåêîäèðîâêè íàïðÿæåíèå â äàâëåíèå
EDCD [05] 4E8E8F 347 mov dav,y
EDD0 [05] CDEE85 348 jsr BCD_RET
EDD3 [04] 6E0483 349 mov #$04,adres ;çàíåñòè àäðåñ íà÷àëà èíäèêàöèè
EDD6 [05] CDEEC1 350 jsr IND_RET
351
EDD9 [05] 4EA18C 352 mov dia,udav ;Âûâîä äèàñòîëè÷åñêîãî äàâëåíèÿ
EDDC [05] CDEE74 353 jsr VOLTS_PRESSURE_RET ;Âûçîâ
ïîäïðîãðàììû ïåðåêîäèðîâêè íàïðÿæåíèå â äàâëåíèå
EDDF [05] 4E8E8F 354 mov dav,y
EDE2 [05] CDEE85 355 jsr BCD_RET
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 9
EDE5 [04] 6E4483 356 mov #$44,adres ;çàíåñòè àäðåñ íà÷àëà èíäèêàöèè
EDE8 [05] CDEEC1 357 jsr IND_RET
358
EDEB [04] C7FFFF 359 sta $ffff
EDEE [05] 4EA28F 360 mov pul,y ;Âûâîä ïóëüñà
EDF1 [05] CDEE85 361 jsr BCD_RET
EDF4 [04] 6E4D83 362 mov #$4d,adres ;çàíåñòè àäðåñ íà÷àëà èíäèêàöèè
EDF7 [05] CDEEC1 363 jsr IND_RET
EDFA [03] 2022 364 bra exitdav
365 rorm:
EDFC [04] 1501 366 bclr 2,PTB
EDFE [04] 1701 367 bclr 3,PTB
EE00 [04] 6E0103 368 mov #$1,PTD ;Î÷èñòêà äèñïëåÿ
EE03 [04] 6E1284 369 mov #!18,bcd100 ; "O"
EE06 [04] 6E1385 370 mov #!19,bcd10 ; "Ø"
EE09 [04] 6E0C86 371 mov #!12,bcd1 ; "È"
EE0C [04] 6E0583 372 mov #$5,adres
EE0F [05] CDEEC1 373 jsr IND_RET
EE12 [04] 6E1484 374 mov #!20,bcd100 ; "Á"
EE15 [04] 6E1585 375 mov #!21,bcd10 ; "Ê"
EE18 [04] 6E0E86 376 mov #!14,bcd1 ; "À"
EE1B [05] CDEEC1 377 jsr IND_RET
378 exitdav:
379
380 ;------ Ïðîâåðêà ñïóùåíà ìàíæåòà èëè íåò ---------
EE1E [04] C7FFFF 381 sta $ffff
EE21 [04] 1189 382 bclr 0,bitf
EE23 [04] 1789 383 bclr 3,bitf
EE25 [05] 0789FD 384 brclr 3,bitf,$ ;Åñëè COCO1=0 ïðîèñõîäèò çàöèêëåâàíèå
EE28 [03] B68B 385 lda upress
EE2A [02] A105 386 cmp #!5
EE2C [03] 22F0 387 bhi exitdav
EE2E [03] CCEC39 388 jmp main
389
390 ;------------------------------------------------;
391
392
393
394
395
396 ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
397
398
399 ADC_INT: ; îáðàáîò÷èê ïðåðûâàíèÿ îò ÀÖÏ
EE31 [02] 8B 400 pshh
EE32 [05] 018913 401 brclr 0,bitf,adm1 ;åñëè àâ=0
òî ïåðåõîä íà adm1
EE35 [05] 038907 402 brclr 1,bitf,adm2 ;ïåðåõîä åñëè àâ1=0
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 10
EE38 [04] 1889 403 bset 4,bitf
EE3A [05] 4E3D8A 404 mov ADR,upress1
EE3D [03] 2004 405 bra zap
406 adm2:
EE3F [04] 1589 407 bclr 2,bitf ;ñáðîñ àâ2
EE41 [04] 1289 408 bset 1,bitf ;óñò. àâ1
409 zap:
EE43 [04] 6E413C 410 mov #$41,ADSCR ;êîìàíäà
çàïóñêà ÀÖÏ âõîä PTB1
411
EE46 [03] 2011 412 bra exit
413 adm1:
EE48 [05] 058907 414 brclr 2,bitf,adm3 ;ïåðåõîä åñëè àâ2=0
EE4B [04] 1689 415 bset 3,bitf
EE4D [05] 4E3D8B 416 mov ADR,upress
EE50 [03] 2004 417 bra zap1
418 adm3:
EE52 [04] 1389 419 bclr 1,bitf ; ñáðîñ àâ1
EE54 [04] 1489 420 bset 2,bitf ; óñò. àâ2
421 zap1:
EE56 [04] 6E403C 422 mov #$40,ADSCR ;êîìàíäà
çàïóñêà ÀÖÏ âõîä PTB0
423 exit:
EE59 [02] 8A 424 pulh
EE5A [07] 80 425 rti
426
427
428
429 ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
430
431 timer_int: ;Îáðàáîò÷è ïðåðûâàíèÿ îò òàéìåðà
EE5B [04] 1F20 432 bclr 7,TSC ;Ñáðîñ TOF
EE5D [04] 3C9A 433 inc sec10
EE5F [03] B69A 434 lda sec10
EE61 [02] A109 435 cmp #$9
EE63 [03] 250E 436 blo exittime ;Åñëè sec10>9 òî ïåðõîäà íåò
EE65 [03] 3F9A 437 clr sec10
EE67 [04] 3C99 438 inc sec
EE69 [04] 3C95 439 inc ovsec
EE6B [03] B695 440 lda ovsec
EE6D [02] A105 441 cmp #!5
EE6F [03] 2502 442 blo exittime
EE71 [04] 1A89 443 bset 5,bitf
444 exittime:
EE73 [07] 80 445 rti
446
447
448 ;\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
449
450
451 VOLTS_PRESSURE_RET: ;ïîäïðîãðàììà òàáëè÷íîé ïåðåêîäèðîâêè íàïð. â äàâëåíèå
452 ;÷èñëî äëÿ ïåðåêîäèð
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 11
453 ;íà÷àëî òàáëèöû -TCP
EE74 [02] 87 454 psha
EE75 [02] 8B 455 pshh
EE76 [02] 89 456 pshx
457
EE77 [03] B68C 458 lda udav
EE79 [03] B08D 459 sub const ;const- íàïðÿæåíèå
ïðè íóëåâîì äàâëåíèè
EE7B [01] 97 460 tax
EE7C [04] D6EF14 461 lda TCP,x
EE7F [03] B78E 462 sta dav ;ïåðåêîäèðîâàííîå
÷èñëî â dav
463
EE81 [02] 88 464 pulx
EE82 [02] 8A 465 pulh
EE83 [02] 86 466 pula
EE84 [04] 81 467 rts
468
469
470
471
472 ;\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
473
474
475
476
477 BCD_RET: ;ïîäïðîãðàììà ïåðåâîäà ÷èñëà â BCD ôîðìàò
478 ;÷èñëî äëÿ ïåðåâîäà íàõîäèòñÿ â "y"
479 ;BCD100 - ñîòíè
480 ;BCD10 - äåñÿòêè
481 ;BCD1 - åäèíèöû
482
EE85 [02] 87 483 psha
EE86 [02] 8B 484 pshh
EE87 [02] 89 485 pshx
486
EE88 [03] B68F 487 lda y ;Äåëèìîå â
àêêóìóëÿòîð
EE8A [02] A163 488 cmp #!99
EE8C [03] 2206 489 bhi bcd100m ;åñëè y>99 òî ïåðåõîä íà bcd100m
EE8E [02] A109 490 cmp #!9
EE90 [03] 2210 491 bhi bcd10m ;åñëè y>9 òî ïåðåõîä íà bcd10m
EE92 [03] 2020 492 bra bcd1m
493 bcd100m:
EE94 [02] AE64 494 ldx #!100 ;100-äåëèòåëü
EE96 [07] 52 495 div
EE97 [03] B784 496 sta BCD100 ;Ðåçóëüòàò â BCD100
EE99 [04] 35A4 497 sthx pmem1
EE9B [03] 450000 498 ldhx #!0
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 12
EE9E [03] B6A4 499 lda pmem1 ;Îñòàòîê â
àêêóìóëÿòîð
EEA0 [03] 2003 500 bra mb1
501 bcd10m:
EEA2 [04] 6E0A84 502 mov #$a,BCD100 ;Ïðîáåë â BCD100
503 mb1:
EEA5 [02] AE0A 504 ldx #!10 ;10-äåëèòåëü
EEA7 [07] 52 505 div ;Äåëèì îñòàòîê íà 10
EEA8 [03] B785 506 sta BCD10 ;Ðåçóëüòàò â BCD10
EEAA [04] 35A4 507 sthx pmem1
EEAC [03] 450000 508 ldhx #!0
EEAF [05] 4EA486 509 mov pmem1 BCD1
EEB2 [03] 200C 510 bra exitb
511 bcd1m:
EEB4 [04] 6E0A84 512 mov #$a,BCD100 ;Ïðîáåë â BCD100
EEB7 [04] 6E0A85 513 mov #$a,BCD10 ;Ïðî BCD10
EEBA [05] 4E8F86 514 mov y,BCD1
515
516
EEBD [02] 88 517 pulx
EEBE [02] 8A 518 pulh
EEBF [02] 86 519 pula
EEC0 [04] 81 520 exitb: rts
521
522
523
524
525
526 ;\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
527
528
529
530 IND_RET: ;Ïîäïðîãðàììà äëÿ âûâîäà ÷èñëà íà èíäèêàöèþ
531 ;äëÿ ïîäïðîãðàììû íåîáõîäèìî:
532 ;- ÷èñëî èëè ñèìâîë äëÿ èíäèêàöèè
533 ;(BCD100,BCD
10,BCD1)
534 ;- àäðåñ ÿ÷åéêè â èíäèêàòîðå
EEC1 [02] 87 535 psha
EEC2 [02] 8B 536 pshh
EEC3 [02] 89 537 pshx
538
EEC4 [04] 6E0388 539 mov #$3,ci
EEC7 [04] 6E8087 540 mov #$80,indx ;çàìåñòî ind ïîñòàâèòü àäðåñ!!!!!!!!!!!!!!!!!
EECA [04] 6E84A3 541 mov #$84,bcdx ;àäðåñ bcd100 â bcdx
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 13
EECD [03] BE84 542 ldx BCD100
543 stind:
EECF [04] D6EFAE 544 lda TCI,x ;TCI-íà÷àëîòàáëèöû ïåðåêîäèðîâêè
EED2 [04] 3CA3 545 inc BCDX
EED4 [03] BE87 546 ldx indx
EED6 [02] F7 547 sta ,x ;Ðåçóëüòàò ïåðåêîäèðîâêè â ÿ÷åéêó ïàìÿòè ñ ðåãèñòðå Õ
EED7 [04] 3C87 548 inc indx ;ïåðåäâåãàåìñÿ ïî ÿ÷åéêàì IND
EED9 [04] 1501 549 bclr 2,PTB ;óñò. â 0
PTB2
EEDB [04] 1701 550 bclr 3,PTB
EEDD [05] 4E8303 551 mov adres,PTD ;Àäðåñ
çíàêîìåñòà â ïîðò PTD
EEE0 [04] 1801 552 bset 4,PTB
EEE2 [01] 9D 553 nop
EEE3 [01] 9D 554 nop
EEE4 [01] 9D 555 nop ;Ôîðìèðîâàíèå ñòðîáèðóþùåãî èìïóëüñà
EEE5 [01] 9D 556 nop
EEE6 [01] 9D 557 nop
EEE7 [04] 1901 558 bclr 4,PTB
EEE9 [04] AD1D 559 bsr deleysret ;çàäåðæêà 30mkc
EEEB [04] 1401 560 bset 2,PTB
EEED [04] 1701 561 bclr 3,PTB
EEEF [04] 7E03 562 mov x+,PTD ;Âûâîä ÷èñëà íà èíäèêàöèþ
EEF1 [04] 1801 563 bset 4,PTB
EEF3 [01] 9D 564 nop
EEF4 [01] 9D 565 nop ;Ôîðìèðîâàíèå ñòðîáèðóþùåãî èìïóëüñà
EEF5 [01] 9D 566 nop
EEF6 [01] 9D 567 nop
EEF7 [01] 9D 568 nop
EEF8 [04] 1901 569 bclr 4,PTB
EEFA [04] AD0C 570 bsr deleysret ;çàäåðæêà 30mkc
EEFC [04] 3C83 571 inc adres ;Ïîäãîòîâêà
ê ñëåäóþùåìó öèêëó
EEFE [03] BEA3 572 ldx BCDX ;----
EF00 [02] FE 573 ldx ,x ;--------
EF01 [05] 3B88CB 574 dbnz ci,stind ;Åñëè âñå ÷èñëà âûâåäåíû òî âûõîäèì èç ïîäðîãðàììû
575
EF04 [02] 88 576 pulx
EF05 [02] 8A 577 pulh
EF06 [02] 86 578 pula
EF07 [04] 81 579 rts
580
581 ;\\\\\\ Ïîäïðîãðàììà çàäåðæêè íà 30 ìêÑ\\\\\\\\\\\
582
583 deleysret:
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 14
584
585
586
EF08 [02] 87 587 psha
EF09 [02] 8B 588 pshh
EF0A [02] 89 589 pshx
590
EF0B [02] A61E 591 lda #!30
592 loopdel:
EF0D [01] 4A 593 deca
EF0E [03] 26FD 594 bne loopdel
595
EF10 [02] 88 596 pulx
EF11 [02] 8A 597 pulh
EF12 [02] 86 598 pula
EF13 [04] 81 599 rts
600
601 ;\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
602
603 ;/////Òàáëèöà ïåðåêîäèðîâêè äëÿ äàâëåí ////////
604
605 TCP:
606
EF14 00 607 db !0
EF15 01 608 db !1
EF16 03 609 db !3
EF17 05 610 db !5
EF18 06 611 db !6
EF19 08 612 db !8
EF1A 0A 613 db !10
EF1B 0B 614 db !11
EF1C 0D 615 db !13
EF1D 0F 616 db !15
EF1E 10 617 db !16
EF1F 12 618 db !18
EF20 14 619 db !20
EF21 15 620 db !21
EF22 17 621 db !23
EF23 19 622 db !25
EF24 1A 623 db !26
EF25 1C 624 db !28
EF26 1E 625 db !30
EF27 1F 626 db !31
EF28 21 627 db !33
EF29 23 628 db !35
EF2A 24 629 db !36
EF2B 26 630 db !38
EF2C 28 631 db !40
EF2D 29 632 db !41
EF2E 2B 633 db !43
EF2F 2D 634 db !45
EF30 2E 635 db !46
EF31 30 636 db !48
EF32 32 637 db !50
EF33 33 638 db !51
EF34 35 639 db !53
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 15
EF35 37 640 db !55
EF36 38 641 db !56
EF37 3A 642 db !58
EF38 3C 643 db !60
EF39 3D 644 db !61
EF3A 3F 645 db !63
EF3B 41 646 db !65
EF3C 42 647 db !66
EF3D 44 648 db !68
EF3E 46 649 db !70
EF3F 47 650 db !71
EF40 49 651 db !73
EF41 4B 652 db !75
EF42 4C 653 db !76
EF43 4E 654 db !78
EF44 50 655 db !80
EF45 51 656 db !81
EF46 53 657 db !83
EF47 55 658 db !85
EF48 56 659 db !86
EF49 58 660 db !88
EF4A 5A 661 db !90
EF4B 5B 662 db !91
EF4C 5D 663 db !93
EF4D 5F 664 db !95
EF4E 60 665 db !96
EF4F 62 666 db !98
EF50 64 667 db !100
EF51 65 668 db !101
EF52 67 669 db !103
EF53 69 670 db !105
EF54 6A 671 db !106
EF55 6C 672 db !108
EF56 6E 673 db !110
EF57 6F 674 db !111
EF58 71 675 db !113
EF59 73 676 db !115
EF5A 74 677 db !116
EF5B 76 678 db !118
EF5C 78 679 db !120
EF5D 79 680 db !121
EF5E 7B 681 db !123
EF5F 7D 682 db !125
EF60 7E 683 db !126
EF61 80 684 db !128
EF62 82 685 db !130
EF63 83 686 db !131
EF64 85 687 db !133
EF65 87 688 db !135
EF66 88 689 db !136
EF67 8A 690 db !138
EF68 8C 691 db !140
EF69 8D 692 db !141
EF6A 8F 693 db !143
EF6B 91 694 db !145
EF6C 92 695 db !146
EF6D 94 696 db !148
EF6E 96 697 db !150
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 16
EF6F 97 698 db !151
EF70 99 699 db !153
EF71 9B 700 db !155
EF72 9C 701 db !156
EF73 9E 702 db !158
EF74 A0 703 db !160
EF75 A1 704 db !161
EF76 A3 705 db !163
EF77 A5 706 db !165
EF78 A6 707 db !166
EF79 A8 708 db !168
EF7A AA 709 db !170
EF7B AB 710 db !171
EF7C AD 711 db !173
EF7D AF 712 db !175
EF7E B0 713 db !176
EF7F B2 714 db !178
EF80 B4 715 db !180
EF81 B5 716 db !181
EF82 B7 717 db !183
EF83 B9 718 db !185
EF84 BA 719 db !186
EF85 BC 720 db !188
EF86 BE 721 db !190
EF87 BF 722 db !191
EF88 C1 723 db !193
EF89 C3 724 db !195
EF8A C4 725 db !196
EF8B C6 726 db !198
EF8C C8 727 db !200
EF8D C9 728 db !201
EF8E CB 729 db !203
EF8F CD 730 db !205
EF90 CE 731 db !206
EF91 D0 732 db !208
EF92 D2 733 db !210
EF93 D3 734 db !211
EF94 D5 735 db !213
EF95 D7 736 db !215
EF96 D8 737 db !216
EF97 DA 738 db !218
EF98 DC 739 db !220
EF99 DD 740 db !221
EF9A DF 741 db !223
EF9B E1 742 db !225
EF9C E2 743 db !226
EF9D E4 744 db !228
EF9E E6 745 db !230
EF9F E7 746 db !231
EFA0 E9 747 db !233
EFA1 EB 748 db !235
EFA2 EC 749 db !236
EFA3 EE 750 db !238
EFA4 F0 751 db !240
EFA5 F1 752 db !241
EFA6 F3 753 db !243
EFA7 F5 754 db !245
EFA8 F6 755 db !246
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 17
EFA9 F8 756 db !248
EFAA FA 757 db !250
EFAB FB 758 db !251
EFAC FD 759 db !253
EFAD FF 760 db !255
761
762
763 ;//////////////////////////////////////////////
764
765 ;////////// Òàáëèöà ïåðåêîäèðîâêè äëÿ èíäèêàöèè //
766
767 TCI:
EFAE 03 768 db $03 ;0
EFAF 13 769 db $13 ;1
EFB0 23 770 db $23 ;2
EFB1 33 771 db $33 ;3
EFB2 43 772 db $43 ;4
EFB3 53 773 db $53 ;5
EFB4 63 774 db $63 ;6
EFB5 73 775 db $73 ;7
EFB6 83 776 db $83 ;8
EFB7 93 777 db $93 ;9
EFB8 02 778 db $02 ;Ïðîáåë
EFB9 34 779 db $34 ;Ñ
EFBA 5A 780 db $5a ;È
EFBB 0E 781 db $0e ;Ä
EFBC 14 782 db $14 ;À
EFBD 8A 783 db $8a ;Ï
EFBE 9A 784 db $9a ;Ó
EFBF 7A 785 db $7a ;Ë
EFC0 F4 786 db $f4 ;Î
EFC1 CA 787 db $ca ;Ø
EFC2 0A 788 db $0a ;Á
EFC3 B4 789 db $b4 ;Ê
790
791 ;///////////////////////////////////////////////////
///////////////////////////////////////
792
793
FFDE 794 org $ffde
FFDE EE31 795 dw ADC_INT ;Âåêòîðïðåðûâàíèÿ
äëÿ ÀÖÏ
FFF2 796 org $fff2
FFF2 EE5B 797 dw timer_int;Âåêòîðïðåðûâàíèÿ
äëÿ òàéìåðà
FFFE 798 org $fffe
FFFE EC00 799 dw start ;Âåêòîð ñáðîñà
800
Symbol Table
ADC_INT EE31
ADICLK 003E
ADM1 EE48
ADM2 EE3F
ADM3 EE52
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 18
ADR 003D
ADRES 0083
ADSCR 003C
AMP1 0098
AMP2 0097
AMPMET ECD4
BCD1 0086
BCD10 0085
BCD100 0084
BCD100M EE94
BCD10M EEA2
BCD1M EEB4
BCDX 00A3
BCD_RET EE85
BITF 0089
BITF1 0091
CBM ED42
CI 0088
CMP1 0092
CMPAD 0096
CONFIG1 001F
CONFIG2 001E
CONST 008D
DAV 008E
DDRA 0004
DDRB 0005
DDRD 0007
DEL 0093
DELEYSRET EF08
DIA 00A1
DVBM ECE2
EXIT EE59
EXITB EEC0
EXITDAV EE1E
EXITTIME EE73
IND 0080
INDX 0087
IND_RET EEC1
KBIER 001B
KBSCR 001A
LOOP EC9D
LOOP1 ECA4
LOOP11 ED57
LOOP2 ECA0
LOOP20 ED53
LOOPAMP ECF8
LOOPDEL EF0D
LOP ECC7
M55 ECED
MAIN EC39
MB1 EEA5
MTIME ED73
OVSEC 0095
PDCR 000A
PEREM ED4D
PMEM1 00A4
POR 0094
PR1 009E
òîíîìåòð.asm Assembled with CASM08Z 25.02.03 9:58:45 PAGE 19
PR2 00A0
PR2M EDAA
PROIM ED2F
PTA 0000
PTAPUE 000D
PTB 0001
PTD 0003
PUL 00A2
PULSE 0090
RAZNOM ED8E
RM ECEA
RORM EDFC
SBM EC3D
SEC 0099
SEC10 009A
SIS 009F
START EC00
STIND EECF
TCI EFAE
TCNTH 0021
TCNTL 0022
TCP EF14
TIME1 009B
TIME2 009C
TIME2M ED88
TIME3 009D
TIMER_INT EE5B
TMODH 0023
TMODL 0024
TSC 0020
UDAV 008C
UPRESS 008B
UPRESS1 008A
VOLTS_PRESSURE_R EE74
Y 008F
ZAP EE43
ZAP1 EE56