interfacage3.py

Created by famille-bvc

Created on December 19, 2023

882 Bytes


donner valeur tension d'entree pour config votre entree
cf doc fournie et on fait la formule du quantum
q = deltaV/2^n
soit 5V/2^12 12 car resolution de 12 bits

ecrire la ligne de config de l'etrée A12

DAQmxGreateAIVoltageCham(taskhande1,A12,DAQmx - val-RSE,
0.0,5.0,DAQmx-Val-Volts,NULL)

on prend gain de 1 on veut valeur
numerique de sortie de 2.5V
= 2,5/(5/2^12) =..

CONFIG USART

language C

en utilisant les parametres de config detailler le parametrage des registres

on a ici 9600 bits par s
8 bits data et 1 bit de stop

baud = fclk / 16 USARTDIV
= USARTDIV = 36 x 10^6 / 16 x 9600
on met le resultat en hexa devant la virgule
puis on refait x16 pour apres la virgule du genre
16 x 0,375
on parametre
BRR = 0x0 et ce qu'on trouve
pour CR1 = 0x200C (jsp pk)
CR2 = 0x0
CR3 = 0x0

donner parametrage de BTR et MCR du CAN1

aucune idee incomphrehensible

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