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8 Commits

Author SHA1 Message Date
Damien George
38e7b842c6 ports: Implement simple write polling for stdout. 
This is a best-effort implementation of write polling.  It's difficult to
do correctly because if there are multiple output streams (eg UART and USB
CDC) then some may not be writeable while others are.  A full solution
should also have a return value from mp_hal_stdout_tx_strn(), returning the
number of bytes written to the stream(s).  That's also hard to define.

The renesas-ra and stm32 ports already implement a similar best-effort
mechanism for write polling.

Fixes issue #11026.

Signed-off-by: Damien George <damien@micropython.org>
 2023-03-23 13:51:17 +11:00
robert-hh
cca2305211 nrf/drivers/usb: Fix reading of a single USB CDC character. 2022-07-17 00:13:15 +10:00
robert-hh
c985a0b514 nrf/drivers/usb: Add a tud_cdc_rx_cb() callback to check interrupt char. 2022-07-17 00:12:03 +10:00
robert-hh
60539ea162 nrf/drivers/usb: Probe for interrupt char in USB CDC task. 
And ensure that the input queue is empty when scheduling the interrupt.
 2022-07-17 00:11:14 +10:00
Andrew Leech
f92da1adc4 nrf/drivers/usb: Fix MP_STREAM_POLL_RD support on USB CDC. 
This gets ipoll working on USB CDC stdin.
 2022-03-30 15:34:25 +11:00
Andrew Leech
dc8b43adc7 nrf/drivers/usb: Fix background events/scheduling while at USB REPL. 2022-03-30 15:33:29 +11:00
Damien George
701fdcacaf nrf/drivers/usb: Add USBD_IRQHandler which calls tud_int_handler. 
This is needed for TinyUSB to process USB device IRQs.

Related to #6325.

Signed-off-by: Damien George <damien@micropython.org>
 2021-02-13 13:52:53 +11:00
Glenn Ruben Bakke
60b0b69f20 nrf: Add tinyusb support for nrf52840. 
Add nrf-port finyusb driver files. USB CDC can be activated
by board configuration files using the MICROPY_HW_USB_CDC.

Updating BLE driver, Makefile, nrfx-glue and main.c to plug
in the tinyusb stack.
 2019-10-10 20:21:07 +02:00