Search found 363 matches
- Tue Aug 04, 2020 1:08 am
- Forum: Other Boards
- Topic: USB problem on STM32F411CEU6
- Replies: 6
- Views: 4471
Re: USB problem on STM32F411CEU6
If crystal‘s load capacitance is not match, it will takes a long time before PLL frequencies stable, exceed DFU bootloader detect time.
- Thu Jul 30, 2020 2:35 am
- Forum: ESP32 boards
- Topic: A replacement for _uart.wait_tx_done in esp32
- Replies: 5
- Views: 4302
Re: A replacement for _uart.wait_tx_done in esp32
You may use pin irq when there is no tx/rx irq function.
- Thu Jul 23, 2020 12:52 am
- Forum: ESP32 boards
- Topic: i2c - cannot see the device.
- Replies: 2
- Views: 1720
Re: i2c - cannot see the device.
LSM303D is being OBSOLETE, you may use LSM303A instead.
- Mon Jul 20, 2020 12:59 pm
- Forum: ESP32 boards
- Topic: ESP32 Virtual Timers??
- Replies: 7
- Views: 4733
Re: ESP32 Virtual Timers??
You may use Timer(-1), Timer(-2)... for different virtual timer. Currently that's not correct on the ESP32; virtual timers are not implemented . See Josh's PR #6258 for more details. In short there are four hardware timers and using -1 (and -2) actually maps to one of those timers due to a defect. ...
- Mon Jul 20, 2020 12:58 pm
- Forum: ESP32 boards
- Topic: ESP32 Virtual Timers??
- Replies: 7
- Views: 4733
Re: ESP32 Virtual Timers??
You may use Timer(-1), Timer(-2)... for different virtual timer. Currently that's not correct on the ESP32; virtual timers are not implemented . See Josh's PR #6258 for more details. In short there are four hardware timers and using -1 (and -2) actually maps to one of those timers due to a defect. ...
- Mon Jul 20, 2020 12:46 am
- Forum: ESP32 boards
- Topic: ESP32 Virtual Timers??
- Replies: 7
- Views: 4733
Re: ESP32 Virtual Timers??
You may use Timer(-1), Timer(-2)... for different virtual timer.
- Sat Jul 11, 2020 1:25 am
- Forum: ESP32 boards
- Topic: SD Card over USB MCS
- Replies: 2
- Views: 1708
- Mon Jul 06, 2020 1:41 am
- Forum: ESP32 boards
- Topic: How to transfer library to ESP32?
- Replies: 5
- Views: 3274
Re: How to transfer library to ESP32?
You may use webrepl or ftp transfer file through wlan, or use pyboard.py through serial port. i can't get the webrepl to connect :S i have enabled webrepl on my ESP32 :S pyboard.py also easy to use. It is in micropython/tools folder, it may use to transfer file, list file, etc. Compared with other ...
- Sun Jul 05, 2020 1:34 am
- Forum: ESP32 boards
- Topic: How to transfer library to ESP32?
- Replies: 5
- Views: 3274
Re: How to transfer library to ESP32?
You may use webrepl or ftp transfer file through wlan, or use pyboard.py through serial port.
- Sat Jul 04, 2020 2:14 am
- Forum: Development of MicroPython
- Topic: IRQ_RXIDLE in UART?
- Replies: 1
- Views: 1536
Re: IRQ_RXIDLE in UART?
UART receive callback is not perfect now, it is works, but not stable. You may try my irqUART for UART receive.
viewtopic.php?f=15&t=8579
https://github.com/micropython-Chinese- ... sc/irqUART
viewtopic.php?f=15&t=8579
https://github.com/micropython-Chinese- ... sc/irqUART