Search found 2 matches
- Mon May 08, 2023 11:06 am
- Forum: ESP32 Arduino
- Topic: PN5180 SPI protocol takes a long time
- Replies: 1
- Views: 1495
Re: PN5180 SPI protocol takes a long time
More details Esp32 DevKitC VSPI bus, mosi 23, miso 19, CLK 18, NSS 5, BUSY 21, RST 22. I coded 1. waitForPinValue(busyPin, LOW, cmdTimeout) //cmdTimeout Is 10ms, checking interval 10us. 2. digitalWrite(nssPin, LOW) 3. delayMicroseconds(1000) // delay(1) 4. spi->transfer 5. waitForPinValue(busyPin, H...
- Mon May 08, 2023 1:34 am
- Forum: ESP32 Arduino
- Topic: PN5180 SPI protocol takes a long time
- Replies: 1
- Views: 1495
PN5180 SPI protocol takes a long time
Hi, I implemented an iso15693 inventory16 command on an esp32 controller using Arduino IDE AND a PN5180 nfc reader. It works well, although collisions happen. But i had to delay the flow control 1ms after asserting NSS before wait for busy pin high. If i didnt that it doesn't work. The problem Is th...