docs: More consistent capitalization and use of articles in headings.
See issue #3188.
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@ -54,7 +54,7 @@ A MicroPython user C module is a directory with the following files:
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See below for full usage example.
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Basic Example
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Basic example
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-------------
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This simple module named ``example`` provides a single function
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@ -435,7 +435,7 @@ For low-level driving of a NeoPixel::
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``NeoPixel`` object.
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Capacitive Touch
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Capacitive touch
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----------------
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Use the ``TouchPad`` class in the ``machine`` module::
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@ -173,8 +173,8 @@ For more details see Espressif's `ESP-IDF RMT documentation.
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stream starts at 0 or 1.
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The Ultra-Low-Power co-processor
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--------------------------------
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Ultra-Low-Power co-processor
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----------------------------
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.. class:: ULP()
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@ -1,4 +1,4 @@
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:mod:`framebuf` --- Frame buffer manipulation
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:mod:`framebuf` --- frame buffer manipulation
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=============================================
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.. module:: framebuf
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@ -1,7 +1,7 @@
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.. _pyboard_tutorial_switch:
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The Switch, callbacks and interrupts
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====================================
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Switches, callbacks and interrupts
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==================================
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The pyboard has 2 small switches, labelled USR and RST. The RST switch
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is a hard-reset switch, and if you press it then it restarts the pyboard
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@ -1,4 +1,4 @@
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Assembler Directives
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Assembler directives
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====================
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Labels
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@ -1,5 +1,5 @@
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Floating Point instructions
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==============================
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Floating point instructions
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===========================
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These instructions support the use of the ARM floating point coprocessor
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(on platforms such as the Pyboard which are equipped with one). The FPU
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@ -61,7 +61,7 @@ Where ``[Rn + offset]`` denotes the memory address obtained by adding Rn to the
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is specified in bytes. Since each float value occupies a 32 bit word, when accessing arrays of
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floats the offset must always be a multiple of four bytes.
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Data Comparison
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Data comparison
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---------------
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* vcmp(Sd, Sm)
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@ -1,6 +1,6 @@
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.. _asm_thumb2_index:
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Inline Assembler for Thumb2 architectures
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Inline assembler for Thumb2 architectures
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=========================================
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This document assumes some familiarity with assembly language programming and should be read after studying
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@ -25,7 +25,7 @@ This enables the effect of instructions to be demonstrated in Python. In certain
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because Python doesn't support concepts such as indirection. The pseudocode employed in such cases is
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described on the relevant page.
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Instruction Categories
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Instruction categories
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----------------------
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The following sections details the subset of the ARM Thumb-2 instruction set supported by MicroPython.
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@ -1,4 +1,4 @@
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Logical & Bitwise instructions
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Logical & bitwise instructions
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==============================
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Document conventions
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@ -1,6 +1,6 @@
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.. _constrained:
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MicroPython on Microcontrollers
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MicroPython on microcontrollers
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===============================
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MicroPython is designed to be capable of running on microcontrollers. These
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@ -12,7 +12,7 @@ based on a variety of architectures, the methods presented are generic: in some
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cases it will be necessary to obtain detailed information from platform specific
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documentation.
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Flash Memory
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Flash memory
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------------
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On the Pyboard the simple way to address the limited capacity is to fit a micro
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@ -58,7 +58,7 @@ heap fragmentation. In general terms it is best to minimise the repeated
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creation and destruction of objects. The reason for this is covered in the
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section covering the `heap`_.
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Compilation Phase
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Compilation phase
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~~~~~~~~~~~~~~~~~
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When a module is imported, MicroPython compiles the code to bytecode which is
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@ -85,7 +85,7 @@ imported in the usual way. Alternatively some or all modules may be implemented
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as frozen bytecode: on most platforms this saves even more RAM as the bytecode
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is run directly from flash rather than being stored in RAM.
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Execution Phase
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Execution phase
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~~~~~~~~~~~~~~~
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There are a number of coding techniques for reducing RAM usage.
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@ -292,7 +292,7 @@ The Q(xxx) lines should be gone.
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.. _heap:
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The Heap
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The heap
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--------
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When a running program instantiates an object the necessary RAM is allocated
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@ -391,7 +391,7 @@ Symbol Meaning
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Each letter represents a single block of memory, a block being 16 bytes. So each
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line of the heap dump represents 0x400 bytes or 1KiB of RAM.
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Control of Garbage Collection
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Control of garbage collection
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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A GC can be demanded at any time by issuing `gc.collect()`. It is advantageous
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@ -420,7 +420,7 @@ initialisation the compiler may be starved of RAM when subsequent modules are
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imported. If modules do instantiate data on import then `gc.collect()` issued
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after the import will ameliorate the problem.
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String Operations
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String operations
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-----------------
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MicroPython handles strings in an efficient manner and understanding this can
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@ -1,5 +1,5 @@
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The MicroPython language
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========================
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MicroPython language and implementation
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=======================================
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MicroPython aims to implement the Python 3.4 standard (with selected
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features from later versions) with respect to language syntax, and most
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@ -29,7 +29,7 @@ This summarises the points detailed below and lists the principal recommendation
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* Allocate an emergency exception buffer (see below).
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MicroPython Issues
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MicroPython issues
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------------------
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The emergency exception buffer
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@ -214,7 +214,7 @@ Exceptions
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If an ISR raises an exception it will not propagate to the main loop. The interrupt will be disabled unless the
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exception is handled by the ISR code.
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General Issues
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General issues
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--------------
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This is merely a brief introduction to the subject of real time programming. Beginners should note
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@ -225,7 +225,7 @@ with an appreciation of the following issues.
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.. _ISR:
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Interrupt Handler Design
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Interrupt handler design
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~~~~~~~~~~~~~~~~~~~~~~~~
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As mentioned above, ISR's should be designed to be as simple as possible. They should always return in a short,
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@ -276,7 +276,7 @@ advanced topic beyond the scope of this tutorial.
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.. _Critical:
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Critical Sections
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Critical sections
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~~~~~~~~~~~~~~~~~
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An example of a critical section of code is one which accesses more than one variable which can be affected by an ISR. If
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@ -103,7 +103,7 @@ For example:
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KeyboardInterrupt:
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>>>
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Paste Mode
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Paste mode
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----------
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If you want to paste some code into your terminal window, the auto-indent feature
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@ -143,7 +143,7 @@ the auto-indent feature, and changes the prompt from ``>>>`` to ``===``. For exa
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Paste Mode allows blank lines to be pasted. The pasted text is compiled as if
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it were a file. Pressing Ctrl-D exits paste mode and initiates the compilation.
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Soft Reset
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Soft reset
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----------
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A soft reset will reset the python interpreter, but tries not to reset the
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@ -196,7 +196,7 @@ So you can use the underscore to save the result in a variable. For example:
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15
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>>>
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Raw Mode
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Raw mode
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--------
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Raw mode is not something that a person would normally use. It is intended for
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.. _speed_python:
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Maximising MicroPython Speed
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Maximising MicroPython speed
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============================
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.. contents::
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@ -40,7 +40,7 @@ the best algorithm is employed. This is a topic for textbooks rather than for a
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MicroPython guide but spectacular performance gains can sometimes be achieved
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by adopting algorithms known for their efficiency.
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RAM Allocation
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RAM allocation
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~~~~~~~~~~~~~~
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To design efficient MicroPython code it is necessary to have an understanding of the
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@ -69,7 +69,7 @@ example, objects which support stream interface (e.g., file or UART) provide ``r
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method which allocates new buffer for read data, but also a ``readinto()`` method
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to read data into an existing buffer.
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Floating Point
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Floating point
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~~~~~~~~~~~~~~
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Some MicroPython ports allocate floating point numbers on heap. Some other ports
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