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Fixes issue #2176.
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It's useful to be able to use symbolic links to add files and directories
to the set of scripts to be frozen.
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This new config option allows to control whether MicroPython uses its own
internal printf or not (if not, an external one should be linked in).
Accompanying this new option is the inclusion of lib/utils/printf.c in the
core list of source files, so that ports no longer need to include it
themselves.
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This set the CPU frequency to 216 MHz (the max) and
leaves the USB Frequency at 48 MHz.
These settings were copied from one of the HAL examples.
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Usage:
import machine
wdt = machine.WDT(0, 5000) # 5 second timeout
wdt.feed()
Thanks to Moritz for the initial implementation.
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This extra forward slash for the starting-point directory is unnecessary
and leads to additional slashes on Max OS X which mean that the frozen
files cannot be imported.
Fixes #2374.
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This patch makes second and next calls to <socket>.close() a no-op.
It prevents GC from closing the underlying resource after user
already used <socket>.close() explicitly.
fixes #2355
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This updates the print function for machine.Pin to
print out the new constants from the Hardware API defintion
rather than the legacy definitions.
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TIM3 is no longer special, or at least does not have special IRQ settings.
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It turns out that TIM1 and TIM8 have their own Capture/Compare
interrupt vector. For all of the other timers, the capture/compare
interrupt vector is the same as the update vector.
So we need to add handlers for these vectors and enable them
when using capture/compare callbacks.
During testing of this, I also found that passing a channel callback
into the channel constructor would not enable interrupts properly.
I tested using:
```
>>> pyb.Timer(1, freq=4).channel(1, pyb.Timer.OC_TOGGLE, callback=lambda t: print('.', end=''))
```
I tested the above with channels 1, 4, and 8
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This type was used only for the typedef of mp_obj_t, which is now defined
by the object representation. So we can now remove this unused typedef,
to simplify the mpconfigport.h file.
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Fixing Issue #2243. Main problems were:
- HAL_ADC_GetState(adcHandle) may return other bits set (not only
HAL_ADC_STATE_EOC_REG) when called - so I AND-ed it out as proposed by
mattbrejza in Issue #2243.
- ADC Pin has to be configured as GPIO_MODE_ANALOG_ADC_CONTROL not only
GPIO_MODE_ANALOG.
- Resolved ADC resolution L4 specific (Use L4 define ADC_RESOLUTION_12B).
- Changed setting of Init.EOCSelection toADC_EOC_SINGLE_CONV for L4.
- Added call to ADC_MultiModeTypeDef as this is done on a STM32Cube
generated project too.
- Clean up: Configuration of ADC is done only in ONE function not the same
is done in two functions.
Test is done on PA5 pin of STM32L4Discovery-Kit which is connected to the
DOWN button.
Thanks to mattbrejza for discovering the bug.
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This patch introduces proper ADC Pin definitions in stm32l476_af.csv.
Originally provided by @tobbad.
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Some boards (like the GHI Electronics G30 Dev Board) don't use
NSS at all and rather just use GPIO chip selects.
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It's now used for more than just stream protocol (e.g. pin protocol), so
don't use false names.
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Argument types were converted, but old function call of
mp_obj_new_exception_msg_varg() remained.
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mp_hal_pin_config_od is renamed mp_hal_pin_open_drain, and mp_hal_pin_low
is mp_hal_pin_od_low.
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See issue #1814.
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For example, the following code now works with a file on the SD card:
f = open('test', 'rb') # test must be 1024 bytes or more in size
f.seek(511)
f.read(513)
Also works for writing.
Fixes issue #1863.
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If custom C code uses the I2C busses then it needs access to these
structures for i2c_init().
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This allows PYBv3 to use PWM for LED(1) and LED(2).
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Initialisation of CAN objects should now behave as other peripheral
objects.
Fixes issue #2001.
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Addresses issue #2034.
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Also raise an exception for machine.freq and machine.deepsleep on this
MCU, since they are not yet implemented.
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The main thing is to change the DMA code in a way that the structure
DMA_Stream_TypeDef (which is similar to DMA_Channel_TypeDef on stm32l4)
is no longer used outside of dma.c, as this structure only exists for the
F4 series. Therefore I introduced a new structure (dma_descr_t) which
handles all DMA specific stuff for configuration. Further the periphery
(spi, i2c, sdcard, dac) does not need to know the internals of the dma.
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A standard I2C address is 7 bits but addresses 0b0000xxx and 0b1111xxx
are reserved. The scan() method is changed to reflect this, along with
the docs.
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On PYBLITEv1.0 there is no accelerometer and in this case the Accel()
constructor should not silently succeed.
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