Use blocking read for USART

emflex / emflex-firmware

Firmware for Emflex prototypes

GNU Lesser General Public License v3.0

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Open garyachy opened 7 years ago

garyachy commented 7 years ago

Try to avoid polling to save CPU cycles and battery power

rspolyak commented 7 years ago

@garyachy is this still valid?

garyachy commented 7 years ago

I just have a question why it is not possible to use synchronous read from USART. Why do we use polling?

rspolyak commented 7 years ago

for GSM driver? or in general? please add more description and propose solution