Search found 3 matches

by underflow
Fri Mar 01, 2019 3:34 pm
Forum: ESP-IDF
Topic: Registering high-level interrupt with esp_intr_alloc
Replies: 2
Views: 4948

Re: Registering high-level interrupt with esp_intr_alloc

Thank you very much! Then I just have to wait for this pull-request to get merged. :)
by underflow
Fri Mar 01, 2019 3:16 pm
Forum: ESP-IDF
Topic: Registering high-level interrupt with esp_intr_alloc
Replies: 2
Views: 4948

Registering high-level interrupt with esp_intr_alloc

Hello, I'm successfully using high-level/high-priority interrupt 5 written in assembly as a follow-up to https://esp32.com/viewtopic.php?f=12&t=8886 According to High-Level Interrupts ( https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/hlinterrupts.html#notes ) and the documentation o...
by underflow
Thu Jan 17, 2019 10:37 pm
Forum: Hardware
Topic: RS-485 half-duplex transmitter disabling time
Replies: 0
Views: 2596

RS-485 half-duplex transmitter disabling time

Hello, I'm trying to operate a UART in RS-485 half-duplex mode with tight timing. RTS controls the transceiver. When transmitting data, it takes about 2 us from activating RTS to the start of the first data bit. However after transmitting the last data bit there is a delay of about 40 us before RTS ...