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Some rp2 boards include WiFi, at least with the very popular Pico W and
Pico 2 W. New users frequently ask how to set up WiFi and are confused
because it's not covered in the quickref.
This commit adds the wlan section, copied and modified with notes from the
ESP32 quickref.
Signed-off-by: Matt Trentini <matt.trentini@gmail.com>
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Such that it matches the implementation and the documentation of the
`machine.RTC` class.
Signed-off-by: robert-hh <robert@hammelrath.com>
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This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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By default, the peripheral clock for UART and SPI is set to 48 MHz and will
not be affected by the MCU clock change. This can be changed by a second
argument to `machine.freq(freq, peripheral_freq)`. The second argument
must be either 48 MHz or identical with the first argument.
Note that UART and SPI baud rates may have to be re-configured after
changing the MCU clock.
Signed-off-by: robert-hh <robert@hammelrath.com>
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Signed-off-by: robert-hh <robert@hammelrath.com>
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This adds the freq and duty_u16 keyword settings to the constructor, and
sometimes other details in the PWM section.
For mimxrt a clarification regarding the PWM invert argument was added, and
for rp2 a few words were spent on PWM output pairs of a channel/slice.
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Signed-off-by: Damien George <damien@micropython.org>
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This ensures the same number of cycles are used for LED on and LED off in
the PIO 1Hz example. It's also possible to swap the first set() and the
irq() to avoid using an extra instruction, but this tutorial is a good
example of how to calculate the cycles.
Signed-off-by: Stig Bjørlykke <stig@bjorlykke.org>
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The value will be checked for timeout <= 8388. Notes were added to the
documentation.
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This commit adds I2S protocol support for the rp2 port:
- I2S API is consistent with STM32 and ESP32 ports
- I2S configurations supported:
- master transmit and master receive
- 16-bit and 32-bit sample sizes
- mono and stereo formats
- sampling frequency
- 3 modes of operation:
- blocking
- non-blocking with callback
- uasyncio
- internal ring buffer size can be tuned
- DMA IRQs are managed on an I2S object basis, allowing other
RP2 entities to use DMA IRQs when I2S is not being used
- MicroPython documentation
- tested on Raspberry Pi Pico development board
- build metric changes for this commit: text(+4552), data(0), bss(+8)
Signed-off-by: Mike Teachman <mike.teachman@gmail.com>
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Anywhere a module is mentioned, use its "non-u" name for consistency.
The "import module" vs "import umodule" is something of a FAQ, and this
commit intends to help clear that up. As a first approximation MicroPython
is Python, and so imports should work the same as Python and use the same
name, to a first approximation. The u-version of a module is a detail that
can be learned later on, when the user wants to understand more and have
finer control over importing.
Existing Python code should just work, as much as it is possible to do that
within the constraints of embedded systems, and the MicroPython
documentation should match the idiomatic way to write Python code.
With universal weak links for modules (via MICROPY_MODULE_WEAK_LINKS) users
can consistently use "import foo" across all ports (with the exception of
the minimal ports). And the ability to override/extend via "foo.py"
continues to work well.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
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See https://www.oshwa.org/a-resolution-to-redefine-spi-signal-names
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The RTC in rp2 can store any, even wrong, number as a weekday in RTC. It
was, however, discussed in #7394 that we would like to unify all ports and
use 0 as Monday, not Sunday in the machine.RTC implementation.
This patch makes sure that the default date set in RTC is adheres to this
convention. It also fixes the example in quickref to use proper weekday to
avoid confusion.
Signed-off-by: Krzysztof Adamski <k@japko.eu>
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