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<title>suspect-devices/circuitpython/stmhal/system_stm32.c, branch main</title>
<subtitle>CircuitPython - a Python implementation for teaching coding with microcontrollers</subtitle>
<id>https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=main</id>
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<updated>2017-09-06T03:40:51+00:00</updated>
<entry>
<title>ports: Make new ports/ sub-directory and move all ports there.</title>
<updated>2017-09-06T03:40:51+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2017-09-06T03:40:51+00:00</published>
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<id>urn:sha1:01dd7804b87d60b2deab16712eccb3b97351a9b7</id>
<content type='text'>
This is to keep the top-level directory clean, to make it clear what is
core and what is a port, and to allow the repository to grow with new ports
in a sustainable way.
</content>
</entry>
<entry>
<title>stmhal: Fix clock initialisation of L4 MCUs.</title>
<updated>2017-09-04T07:45:08+00:00</updated>
<author>
<name>Tobias Badertscher</name>
<email>badi@baerospace.ch</email>
</author>
<published>2017-09-02T17:46:23+00:00</published>
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<id>urn:sha1:98da3cf407d51e0a8c321501163de8ba00d6456b</id>
<content type='text'>
There are 2 changes:
- remove early initialisation of LSE and replaced it by LSEDRIVE config
  (there is no reason to call HAL_RCC_OscConfig twice).
- add initialisation of the variables PLLSAI1Source and PLLSAI1M as they
  are needed in Cube HAL 1.8.1.
</content>
</entry>
<entry>
<title>stmhal: Update to new STM Cube HAL library.</title>
<updated>2017-08-29T07:03:28+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2017-08-29T07:03:28+00:00</published>
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<id>urn:sha1:8388ec4e35142539fb09d2a9ef5981b5732a349f</id>
<content type='text'>
This upgrades the HAL to the versions:
- F4 V1.16.0
- F7 V1.7.0
- L4 V1.8.1

The main changes were in the SD card driver.  The vendor changed the SD
read/write functions to accept block number intead of byte address, so
there is no longer any need for a custom patch for this in stm32lib.
The CardType values also changed, so pyb.SDCard().info() will return
different values for the 3rd element of the tuple, but this function was
never documented.
</content>
</entry>
<entry>
<title>all: Use the name MicroPython consistently in comments</title>
<updated>2017-07-31T08:35:40+00:00</updated>
<author>
<name>Alexander Steffen</name>
<email>devel.20.webmeister@spamgourmet.com</email>
</author>
<published>2017-06-30T07:22:17+00:00</published>
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<id>urn:sha1:55f33240f3d7051d4213629e92437a36f1fac50e</id>
<content type='text'>
There were several different spellings of MicroPython present in comments,
when there should be only one.
</content>
</entry>
<entry>
<title>stmhal: Clean up some header includes.</title>
<updated>2017-07-03T07:37:22+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2017-07-03T07:37:22+00:00</published>
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<id>urn:sha1:80b31dc0972eca3f67dd2be7518b133e316e8f32</id>
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</content>
</entry>
<entry>
<title>stmhal: Declare and initialise PrescTables for F7 MCUs.</title>
<updated>2016-12-07T06:31:09+00:00</updated>
<author>
<name>Rami Ali</name>
<email>flowergrass@users.noreply.github.com</email>
</author>
<published>2016-12-06T00:09:33+00:00</published>
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<id>urn:sha1:6901649f544587ee0ec160eeaedb4650979d5492</id>
<content type='text'>
</content>
</entry>
<entry>
<title>stmhal: L4: Adapt startup code, clock configuration and interrupts.</title>
<updated>2016-05-05T14:14:42+00:00</updated>
<author>
<name>Tobias Badertscher</name>
<email>python@baerospace.ch</email>
</author>
<published>2016-03-23T21:39:31+00:00</published>
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<id>urn:sha1:adaaf439b06a5ccf47ef8eeea41790e2da13d33a</id>
<content type='text'>
</content>
</entry>
<entry>
<title>stmhal: Implement delayed RTC initialization with LSI fallback.</title>
<updated>2015-11-23T23:23:07+00:00</updated>
<author>
<name>T S</name>
<email>tsp@esg-workstation.com</email>
</author>
<published>2015-11-07T11:03:12+00:00</published>
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<id>urn:sha1:86aa16bea61da8a8d156a7a928902a0bf4c85b73</id>
<content type='text'>
If RTC is already running at boot then it's left alone.  Otherwise, RTC is
started at boot but startup function returns straight away.  RTC startup
is then finished the first time it is used.  Fallback to LSI if LSE fails
to start in a certain time.

Also included:
 MICROPY_HW_CLK_LAST_FREQ
        hold pyb.freq() parameters in RTC backup reg
 MICROPY_HW_RTC_USE_US
        option to present datetime sub-seconds in microseconds
 MICROPY_HW_RTC_USE_CALOUT
        option to enable RTC calibration output

CLK_LAST_FREQ and RTC_USE_CALOUT are enabled for PYBv1.0.
</content>
</entry>
<entry>
<title>stmhal: Enable I &amp; D caches for M7</title>
<updated>2015-08-15T17:58:24+00:00</updated>
<author>
<name>Dave Hylands</name>
<email>dhylands@gmail.com</email>
</author>
<published>2015-08-15T17:27:35+00:00</published>
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<id>urn:sha1:c6f1d47dcbce16efa77a5732f96b0afe74bd1c09</id>
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</entry>
<entry>
<title>stamhal: Add definitions for MCU_SERIES_F4 and MCU_SERIES_F7</title>
<updated>2015-08-07T07:52:42+00:00</updated>
<author>
<name>Dave Hylands</name>
<email>dhylands@gmail.com</email>
</author>
<published>2015-08-03T22:07:20+00:00</published>
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