Commit Graph

35 Commits

Author SHA1 Message Date
microDev a52eb88031
run code formatting script 2021-03-15 19:27:36 +05:30
Scott Shawcroft 40118bcf57
Add `board_deinit` for use with sleep
This changes lots of files to unify `board.h` across ports. It adds
`board_deinit` when CIRCUITPY_ALARM is set. `main.c` uses it to
deinit the board before deep sleeping (even when pretending.)

Deep sleep is now a two step process for the port. First, the
port should prepare to deep sleep based on the given alarms. It
should set alarms for both deep and pretend sleep. In particular,
the pretend versions should be set immediately so that we don't
miss an alarm as we shutdown. These alarms should also wake from
`port_idle_until_interrupt` which is used when pretending to deep
sleep.

Second, when real deep sleeping, `alarm_enter_deep_sleep` is called.
The port should set any alarms it didn't during prepare based on
data it saved internally during prepare.

ESP32-S2 sleep is a bit reorganized to locate more logic with
TimeAlarm. This will help it scale to more alarm types.

Fixes #3786
2020-12-08 10:52:25 -08:00
Christian Walther c7404a3ff8 Add movable allocation system.
This allows calls to `allocate_memory()` while the VM is running, it will then allocate from the GC heap (unless there is a suitable hole among the supervisor allocations), and when the VM exits and the GC heap is freed, the allocation will be moved to the bottom of the former GC heap and transformed into a proper supervisor allocation. Existing movable allocations will also be moved to defragment the supervisor heap and ensure that the next VM run gets as much memory as possible for the GC heap.

By itself this breaks terminalio because it violates the assumption that supervisor_display_move_memory() still has access to an undisturbed heap to copy the tilegrid from. It will work in many cases, but if you're unlucky you will get garbled terminal contents after exiting from the vm run that created the display. This will be fixed in the following commit, which is separate to simplify review.
2020-11-28 17:50:23 +01:00
Scott Shawcroft 56427d9abe
Fix stm sleep too long 2020-10-13 14:02:29 -07:00
Scott Shawcroft a0e5e961c5
Fix STM RTC read so it's atomic.
Fixes #3376
2020-10-12 17:43:25 -07:00
Jeff Epler 726dcdb60a Add some NORETURN attributes
I have a function where it should be impossible to reach the end, so I put in a safe-mode reset at the bottom:
```
int find_unused_slot(void) {
    // precondition: you already verified that a slot was available
    for (int i=0; i<NUM_SLOTS; i++) {
        if( slot_free(i)) {
            return i;
        }
    }
    safe_mode_reset(MICROPY_FATAL_ERROR);
}
```
However, the compiler still gave a diagnostic, because safe_mode_reset was not declared NORETURN.

So I started by teaching the compiler that reset_into_safe_mode never returned.  This leads at least one level deeper due to reset_cpu needing to be a NORETURN function.  Each port is a little different in this area.  I also marked reset_to_bootloader as NORETURN.
Additional notes:

 * stm32's reset_to_bootloader was not implemented, but now does a bare reset.  Most stm32s are not fitted with uf2 bootloaders anyway.
 * ditto cxd56
 * esp32s2 did not implement reset_cpu at all.  I used esp_restart().  (not tested)
 * litex did not implement reset_cpu at all.  I used reboot_ctrl_write.  But notably this is what reset_to_bootloader already did, so one or the other must be incorrect (not tested).  reboot_ctrl_write cannot be declared NORETURN, as it returns unless the special value 0xac is written), so a new unreachable forever-loop is added.
 * cxd56's reset is via a boardctl() call which can't generically be declared NORETURN, so a new unreacahble "for(;;)" forever-loop is added.
 * In several places, NVIC_SystemReset is redeclared with NORETURN applied.  This is accepted just fine by gcc.  I chose this as preferable to editing the multiple copies of CMSIS headers where it is normally declared.
 * the stub safe_mode reset simply aborts.  This is used in mpy-cross.
2020-09-28 18:55:56 -05:00
Scott Shawcroft 6857f98426
Split pulseio.PWMOut into pwmio
This gives us better granularity when implementing new ports because
PWMOut is commonly implemented before PulseIn and PulseOut.

Fixes #3211
2020-08-18 13:08:33 -07:00
Jeff Epler d73505a027 stm: fix if-guard of conditional code 2020-07-30 07:18:12 -05:00
Jeff Epler 4adbd23b75 stm: Add sdioio support for feather_stm32f405_express
Currently, only the bus specs of the stm32f405xx have been coded.
Other stm-family chips need (at a minimum) the specs added in their
periph.[ch] files.
2020-07-30 07:18:02 -05:00
Lucian Copeland ab9a64eafa Add timer allocator, adjust pulsio to use general purpose timers 2020-07-01 10:35:49 -04:00
Lucian Copeland c88a8e66c6 Minor comment fix 2020-06-10 13:22:21 -04:00
Lucian Copeland b414f82669 Add DTCM and ITCM support to F7 series 2020-06-09 18:01:52 -04:00
Lucian Copeland ad0971fb25 Override HAL_Delay and HAL_GetTick 2020-06-05 13:56:32 -04:00
Lucian Copeland a0977cac7b Merge remote-tracking branch 'upstream/master' into stm32-LSE-startup-fix 2020-06-04 16:15:38 -04:00
Lucian Copeland d14e34449b Rework LSE clock init, allow clock overrides 2020-06-04 13:21:29 -04:00
Diego Elio Pettenò dd5d7c86d2 Fix up end of file and trailing whitespace.
This can be enforced by pre-commit, but correct it separately to make it easier to review.
2020-06-03 10:56:35 +01:00
Scott Shawcroft 3c1469b0a5
Add port_fixed_stack for more builds 2020-05-15 16:22:33 -07:00
Lucian Copeland 94949fb46f Add recovery domain write access, adjust stack 2020-05-11 18:02:40 -04:00
Lucian Copeland 5249a7b02c Add timeout and adjustment to LSI 2020-05-08 12:36:39 -04:00
Scott Shawcroft b277944cf0
Fix STM so it matches the correct RTC fields. 2020-04-22 11:10:51 -07:00
Scott Shawcroft 17d038830d
Use our own flag for board crystal config. 2020-04-21 14:14:30 -07:00
Scott Shawcroft bebf27e733
Merge remote-tracking branch 'adafruit/master' into lower_power
This isn't perfect and needs a bit more testing.
2020-04-20 18:25:13 -07:00
Lucian Copeland 9e49fc13f4 startup file crash fix, H7 bin fix 2020-04-16 17:33:48 -04:00
Lucian Copeland 6427994b14 Implement requested changes 2020-04-15 10:22:51 -04:00
Lucian Copeland 5ac38c95cc Various requested fixes 2020-04-13 12:03:05 -04:00
Lucian Copeland 92a0621e59 Add busio support, cleanup 2020-04-09 13:43:19 -04:00
Scott Shawcroft 01941c027b
Fix up STM
Enable the Alarm IRQ earlier and correct bit clearing.
2020-04-08 14:41:57 -07:00
Scott Shawcroft d0a25ca9ac
Tweaks based on dhalberts feedback 2020-04-08 10:49:46 -07:00
Lucian Copeland 9761672d42 Linker file restructure, TCM and MPU additions 2020-04-03 16:33:18 -04:00
Lucian Copeland c4db8b87e2 Add F7 and H7 Support to the STM32 port
Restructures the STM port of Circuitpython to be more generic about the STM32 chip lines to support
the F7 and H7 series of chips. Adds the new Packages directory to organize different chip layouts
between lines. Makes general changes to the Makefile to condense board-level flags to the minimum
and support the new chip series. Adds the new chip line to the Peripherals directory, along with
new python tools used to generate peripheral text automatically in the tools/ directory.
2020-03-26 18:01:17 -04:00
Scott Shawcroft ea0ce39962
Simplify STM a bit. 2020-03-24 15:49:24 -07:00
Scott Shawcroft c0c4c4403a
Factor out stm32f4xx_hal_conf.h 2020-03-23 14:46:25 -07:00
Scott Shawcroft 2623022c84
Initial work for STM32. Need to fix us delay and PulseIn still. 2020-03-20 12:58:34 -07:00
Lucian Copeland 18442c5b00 Merge remote-tracking branch 'upstream/master' into stm32-port-namechange 2020-03-12 15:40:44 -04:00
Lucian Copeland 53b1544f41 create copy 2020-03-11 18:13:06 -04:00