Commit Graph

25 Commits

Author SHA1 Message Date
David Grayson c046b23ea2 shared/runtime/pyexec: Don't allow Ctrl+C to interrupt frozen boot code.
Helps prevent the filesystem from getting formatted by mistake, among other
things.  For example, on a Pico board, entering Ctrl+D and Ctrl+C fast many
times will eventually wipe the filesystem (without warning or notice).

Further rationale: Ctrl+C is used a lot by automation scripts (eg mpremote)
and UI's (eg Mu, Thonny) to get the board into a known state.  If the board
is not responding for a short time then it's not possible to know if it's
just a slow start up (eg in _boot.py), or an infinite loop in the main
application.  The former should not be interrupted, but the latter should.
The only way to distinguish these two cases would be to wait "long enough",
and if there's nothing on the serial after "long enough" then assume it's
running the application and Ctrl+C should break out of it.  But defining
"long enough" is impossible for all the different boards and their possible
behaviour.  The solution in this commit is to make it so that frozen
start-up code cannot be interrupted by Ctrl+C.  That code then effectively
acts like normal C start-up code, which also cannot be interrupted.

Note: on the stm32 port this was never seen as an issue because all
start-up code is in C.  But now other ports start to put more things in
_boot.py and so this problem crops up.

Signed-off-by: David Grayson <davidegrayson@gmail.com>
2023-04-05 10:38:50 +10:00
robert-hh 711bac511e rp2/main: Keep UART REPL with DEBUG=1 and MICROPY_HW_ENABLE_UART_REPL=1.
For builds with DEBUG=1 and MICROPY_HW_ENABLE_UART_REPL=1, calling
stdio_init_all() in main() detaches the UART input from REPL.  This change
suppresses calling stdio_init_all() then.
2023-03-20 22:33:45 +11:00
cpottle9 c80e7c14e6 rp2: Allocate GC heap from unused RAM.
Borrowing an idea from the mimxrt port (also stm32 port): in the loader
input file memmap_mp.ld calculate __GcHeapStart and __GcHeapEnd as the
unused RAM.  Then in main.c use these addresses as arguments to gc_init().

The benefits of this change are:

1) When libraries are added or removed in the future changing BSS usage,
   main.c's sizing of the GC heap does not need to be changed.

2) Currently these changes make the GC area about 30 KBytes larger, eg on
   PICO_W the GC heap increases from 166016 to 192448 bytes.  Without that
   change this RAM would never get used.

3) If someone wants to disable one or more SRAM blocks on the RP2040 to
   reduce power consumption it will be easy: just change the MEMORY section
   in memmap_mp.ld.  For instance to not use SRAM2 and SRAM3 change it to:

        MEMORY
        {
            FLASH(rx) : ORIGIN = 0x10000000, LENGTH = 2048k
            RAM(rwx) : ORIGIN =  0x21000000, LENGTH = 128k
            SCRATCH_X(rwx) : ORIGIN = 0x20040000, LENGTH = 4k
            SCRATCH_Y(rwx) : ORIGIN = 0x20041000, LENGTH = 4k
        }

   Then to turn off clocks for SRAM2 and SRAM3 from MicroPython, set the
   appropriate bits in WAKE_EN0 and SLEEP_EN0.

Tested by running the firmware.uf2 file on PICO_W and displaying
micropython.mem_info().  Confirmed GC total size approximately matched the
size calculated by the loader.

Signed-off-by: cpottle9 <cpottle9@outlook.com>
2023-03-09 12:00:02 +11:00
Jim Mussared bad0098a49 stm32: Update to use the open-source lib version of cyw43-driver.
This removes the previous WiFi driver from drivers/cyw43 (but leaves behind
the BT driver), and makes the stm32 port (i.e. PYBD and Portenta) use the
new "lib/cyw43-driver" open-source driver already in use by the rp2 port.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2023-03-01 01:27:12 +11:00
Damien George 8a0353525f rp2/main: Use mp_printf in nlr_jump_fail.
The mp_plat_print output is already being used by the subsequent call to
mp_obj_print_exception().  And this eliminates all references to printf for
this port (at least in non-debug builds).

Signed-off-by: Damien George <damien@micropython.org>
2023-01-24 16:58:29 +11:00
Angus Gratton c8913fdbfa rp2: Allow enabling USB device without enabling USB-CDC.
Requires changing the USB-CDC stdin/stdout guards from
MICROPY_HW_ENABLE_USBDEV to the new (in this port)
MICROPY_HW_USB_CDC.
2022-11-11 16:49:18 +11:00
Angus Gratton 2e6e53057b shared/tinyusb: Further refactor static USB device implementation.
App the mp_ prefix to usbd_ symbols and files which are defined here and
not in TinyUSB.

rp2 only for now. This includes some groundwork for dynamic USB devices
(defined in Python).

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2022-11-11 16:47:36 +11:00
Blake Felt eed4eb2645 shared/tinyusb: Create common TinyUSB code for reuse by ports.
This code originates from the rp2 port, and the rp2 port has been updated
to use this common code.
2022-11-11 16:33:30 +11:00
Phil Howard 71f6eb5ac9 rp2: Mark gc_heap NOLOAD for faster boot.
Create a new linker section .unitialized_bss for bss that does not need
zero-initialising.

Move gc_heap to this section, which saves ~30ms from rising edge of RESET
to setting a pin HIGH in MicroPython.

Zero fill happens in Pico SDK crt0.S before ROSC is configured.  It's very,
very slow.

Signed-off-by: Phil Howard <phil@gadgetoid.com>
2022-08-11 14:16:29 +10:00
Damien George 4b9a2abbde rp2/main: Set default AP auth mode to WPA2_AES_PSK.
Signed-off-by: Damien George <damien@micropython.org>
2022-07-05 11:07:16 +10:00
Damien George 50e46552c0 rp2: Integrate CYW43xx WiFi driver.
This includes:
- Configuration file for the cyw43-driver.
- Integration of cyw43-driver into the build, using lwIP.
- Enhancements to machine.Pin to support extension IO pins provided by the
  CYW43xx.
- More mp-hal pin helper functions.
- mp_hal_get_mac_ascii MAC address helper function.
- Addition of rp2.country() function to set the country code.

A board can enable this driver by setting MICROPY_PY_NETWORK_CYW43 in their
cmake snippet.

Work done in collaboration with Graham Sanderson and Peter Harper.

Signed-off-by: Damien George <damien@micropython.org>
2022-06-30 17:03:51 +10:00
Andrew Leech 15fea3a1ff rp2: Integrate lwIP network stack.
Signed-off-by: Andrew Leech <andrew@alelec.net>
2022-06-03 14:34:18 +10:00
iabdalkader 507ad03329 rp2: Add USB MSC support.
It is currently not enabled by default on any board.
2022-03-09 00:38:07 +11:00
Damien George de43b500bd py/runtime: Allow initialising sys.path/argv with defaults.
If MICROPY_PY_SYS_PATH_ARGV_DEFAULTS is enabled (which it is by default)
then sys.path and sys.argv will be initialised and populated with default
values.  This keeps all bare-metal ports aligned.

Signed-off-by: Damien George <damien@micropython.org>
2021-12-18 00:08:07 +11:00
Jim Mussared 86ce442607 ports: Add '.frozen' as the first entry in sys.path.
Frozen modules will be searched preferentially, but gives the user the
ability to override this behavior.

This matches the previous behavior where "" was implicitly the frozen
search path, but the frozen list was checked before the filesystem.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2021-12-18 00:08:07 +11:00
Mike Teachman b6dbbbe82f rp2/machine_i2s: Add I2S protocol support.
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>
2021-11-13 12:27:42 +11:00
iabdalkader 38f8e852e0 rp2: Add framework for networking.
MICROPY_PY_NETWORK and MICROPY_PY_USOCKET need to be enabled by a board to
get networking.  No NICs have yet been defined.
2021-09-19 23:20:13 +10:00
iabdalkader c973cfd2f3 rp2: Add support for bluetooth module using NimBLE. 2021-09-19 23:09:59 +10:00
David Lechner 86371781e9 tools/uncrustify: Force 1 newline at end of file.
To keep things neat and tidy, we ensure that each file has 1 and only 1
newline at the end of each file.

Signed-off-by: David Lechner <david@pybricks.com>
2021-08-31 13:14:45 +10:00
Damien George 136369d72f all: Update to point to files in new shared/ directory.
Signed-off-by: Damien George <damien@micropython.org>
2021-07-12 17:08:10 +10:00
Krzysztof Adamski 35b1359a3a rp2: Use 0=Monday datetime convention in RTC.
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>
2021-06-25 10:29:12 +10:00
Damien George d0de16266f rp2/mpthreadport: Add mp_thread_deinit to reset core1 on soft reset.
Any code running on core1 should be stopped on soft-reset (the GC heap is
reset so if code continues to run on core1 it will see corrupt memory).

Signed-off-by: Damien George <damien@micropython.org>
2021-05-09 00:08:30 +10:00
robert-hh 6f06dcaee5 rp2/moduos: Implement uos.urandom().
The implementation samples rosc.randombits at a frequency lower than the
oscillator frequency.  This gives better random values.  In addition, for
an 8-bit value 8 samples are taken and fed through a 8-bit CRC,
distributing the sampling over the byte.  The resulting sampling rate is
about 120k/sec.

The RNG does not include testing of error conditions, like the ROSC being
in sync with the sampling or completely failing.  Making the interim value
static causes it to perform a little bit better in short sync or drop-out
situations.

The output of uos.urandom() performs well with the NIST800-22 test suite.
In my trial it passed all tests of the sts 2.1.2 test suite.  I also ran a
test of the random data with the Common Criteria test suite AIS 31, and it
passed all tests too.
2021-04-09 18:24:38 +10:00
Damien George 195e7dfa06 rp2/modmachine: Implement additional functions incl unique_id and idle.
Added functions in the machine module are:
- unique_id (returns 8 bytes)
- soft_reset
- idle
- lightsleep, deepsleep (not power saving at the moment)
- disable_irq, enable_irq
- time_pulse_us

Signed-off-by: Damien George <damien@micropython.org>
2021-02-02 22:14:22 +11:00
Damien George 469345e728 rp2: Add new port to Raspberry Pi RP2 microcontroller.
This commit adds a new port "rp2" which targets the new Raspberry Pi RP2040
microcontroller.

The build system uses pure cmake (with a small Makefile wrapper for
convenience).  The USB driver is TinyUSB, and there is a machine module
with most of the standard classes implemented.  Some examples are provided
in the examples/rp2/ directory.

Work done in collaboration with Graham Sanderson.

Signed-off-by: Damien George <damien@micropython.org>
2021-01-30 00:42:29 +11:00