Miten voi ohjelmoida c-kielellä taajuustriggerin?
Eli siis, kytken induktiivisen anturin kontrollerin sisääntuloon. Pitäisi kirjoittaa ohjelma, joka kytkee lähdön pois päältä, kun anturilta tuleva taajuus ylittää 300 pulssia/sekunnissa.
Ohjelma voisi toimia vaikka siten, että se laskisi pulsseja 0,1 sekunnin pätkissä ja määriteltäisiin montako pulssia tässä ajassa pitää tulla että taajuus ylittää asetellun.
Vinkkejä kaivataan... C-kielellä...
Eli siis, kytken induktiivisen anturin kontrollerin sisääntuloon. Pitäisi kirjoittaa ohjelma, joka kytkee lähdön pois päältä, kun anturilta tuleva taajuus ylittää 300 pulssia/sekunnissa.
Ohjelma voisi toimia vaikka siten, että se laskisi pulsseja 0,1 sekunnin pätkissä ja määriteltäisiin montako pulssia tässä ajassa pitää tulla että taajuus ylittää asetellun.
Vinkkejä kaivataan... C-kielellä...
Vastaukset 8
Vanhimmat
joka on 'auki' 1/f sekuntia ja jos tuossa ikkunassa ilmenee pulssi kahdesti niin ..
Pulssin jompaa kumpaa reunaa käsittelet.
laskettavahan ne pulssit on ja timeri on 'ikkunana' - elikkä siitä ylivuoto tulkitaan x>f ..
Jos vain viitsit, niin voisit kirjoittaa mallipätkän c-kielellä, miten sinä tämän toteuttaisit.
tää joku koetehtävä
..koetehtävä
http://www.taylorriver.com/product_articles/frequency_measurement_using_the_pic16f88.html
Tuosta mallia, pitäis onnistua helposti.
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