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Author SHA1 Message Date
Dan Halbert
4e3748d0ae
Merge pull request #683 from kattni/digital-pin-assignments 
Added digital pin assignments to CPX
 2018-03-19 22:17:21 -04:00
Jeff Epler
dddfad6594 UART: Fix maybe-uninitialized diagnostic 
The following error occurs when building with gcc 5.4.1 (debian stretch):

common-hal/busio/UART.c:104:83: error: 'sercom_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
                   sercom_insts[rx->sercom[j].index]->USART.CTRLA.bit.ENABLE == 0) ||

It may be related to the addition of rx-only UARTs; gcc is unable
to infer the intended relationship between have_tx and sercom_index
being set (I am still not entirely confident of it myself)
 2018-03-19 20:40:04 -05:00
Damien George
22c693aa6f tests/pyb/can: Update to test pyb.CAN restart, state, info, inplace recv 2018-03-19 15:15:39 +11:00
Damien George
0abbafd424 stm32/can: Add "list" param to CAN.recv() to receive data inplace. 
This API matches (as close as possible) how other pyb classes allow inplace
operations, such as pyb.SPI.recv(buf).
 2018-03-19 15:12:24 +11:00
Damien George
5e1279d41a travis: Pass -j4 to make to speed up compilation. 
This seems to reduce the Travis build time by roughly 1 minute / 10%.
 2018-03-19 11:57:38 +11:00
Damien George
e37b8ba5a5 stm32: Use STM32xx macros instead of MCU_SERIES_xx to select MCU type. 
The CMSIS files for the STM32 range provide macros to distinguish between
the different MCU series: STM32F4, STM32F7, STM32H7, STM32L4, etc.  Prefer
to use these instead of custom ones.
 2018-03-17 10:42:50 +11:00
Damien George
5edce4539b py/objexcept: Make MP_DEFINE_EXCEPTION public so ports can define excs. 2018-03-17 00:31:40 +11:00
Damien George
f6a1f18603 py/makeqstrdefs.py: Optimise by using compiled re's so it runs faster. 
By using pre-compiled regexs, using startswith(), and explicitly checking
for empty lines (of which around 30% of the input lines are), automatic
qstr extraction is speed up by about 10%.
 2018-03-16 23:54:06 +11:00
Damien George
06aa13c350 stm32/can: Use explicit byte extraction instead of casting to word ptr. 
Casting the Data array to a uint32_t* leads to strict aliasing errors on
older gcc compilers.
 2018-03-16 23:52:13 +11:00
Damien George
9600a1f207 tests/pyb: Update CAN test to expect that auto_restart is printed. 2018-03-16 18:37:55 +11:00
Damien George
b7d576d69a docs/library/pyb.CAN: Clean up documentation of data constants. 2018-03-16 18:29:43 +11:00
Damien George
a25e6c6b65 stm32/can: Add CAN.info() method to retrieve error and tx/rx buf info. 2018-03-16 18:28:35 +11:00
Damien George
d7e67fb1b4 stm32/can: Add CAN.state() method to get the state of the controller. 
This is useful for monitoring errors on the bus and knowing when a restart
is needed.
 2018-03-16 17:10:41 +11:00
Kattni
05e2a7d1ac Added digital pin assignments 2018-03-15 20:28:09 -04:00
Scott Shawcroft
bf42611738
Merge pull request #681 from jerryneedell/patch-1 
fix dotstar for Gemma_M0 in CP3.0
 2018-03-15 10:05:26 -07:00
Damien George
1272c3c65d stm32/can: Add CAN.restart() method so controller can leave bus-off. 2018-03-15 17:29:30 +11:00
Damien George
823ca03008 stm32/can: Add "auto_restart" option to constructor and init() method. 2018-03-15 17:17:33 +11:00
Damien George
1608c4f5be stm32/can: Use enums to index keyword arguments, for clarity. 2018-03-15 17:15:41 +11:00
Damien George
2036196d71 stm32/can: Improve can.recv() so it checks for events, eg ctrl-C. 
This patch provides a custom (and simple) function to receive data on the
CAN bus, instead of the HAL function.  This custom version calls
mp_handle_pending() while waiting for messages, which, among other things,
allows to interrupt the recv() method via KeyboardInterrupt.
 2018-03-15 16:34:07 +11:00
Damien George
22a9158ced stm32/boards/STM32L476DISC: Enable CAN peripheral. 
This board allows to test CAN support on the L4 series.
 2018-03-15 16:32:11 +11:00
Damien George
d91a1989f5 docs/library/pyb.CAN: Update markup to use latest doc conventions. 2018-03-15 16:30:05 +11:00
Damien George
0db49c37a4 docs: Fix some references and RST markup to eliminate Sphinx warnings. 2018-03-15 15:50:51 +11:00
Damien George
c926e72750 tests/cpydiff: Indent workaround code snippet so it formats correctly. 2018-03-15 15:49:38 +11:00
jerryneedell
04b4026666
fix dotstar for Gemma_M0 in CP3.0 
Uncomment lines in mpconfigport.h for gemma_m0 to allow dotstar access.  same issue as #514 for trinket_m0
 2018-03-14 21:28:56 -04:00
Dan Halbert
f173d45941
Merge pull request #678 from tannewt/m0_no_timer_fix 
Correct NO_TIMER index value for SAMD21.
 2018-03-14 15:04:39 -04:00
Scott Shawcroft
88aa0e2660 Remove SERCOM pointers from pin data structure because index is 
enough.

This saves 380 bytes on the Arduino Zero build. (More pins ==
more savings.)
 2018-03-14 11:14:32 -07:00
Dan Halbert
07dd26d722
Merge pull request #679 from tannewt/usb_race3 
Check usb_busy up front in usb background function.
 2018-03-14 13:54:20 -04:00
Scott Shawcroft
7a3f86d184 Check usb_busy up front in usb background function. 
Waiting to do so risks accidentally queueing another response.

Hopefully fixes #655 but we'll let @jerryneedell confirm.
 2018-03-14 10:32:41 -07:00
Damien George
34e224a4af esp32/machine_uart: Return None from UART read if no data is available. 
This is instead of returning an empty bytes object, and matches how other
ports handle non-blocking UART read behaviour.
 2018-03-14 13:18:43 +11:00
Scott Shawcroft
c37ade9aeb Correct NO_TIMER index value for SAMD21. 
We check validity by ensuring it's lower than the total number of
timers. 0 is a terrible number for the NO_TIMER value because its
valid even though it shouldn't be.

Fixes https://github.com/adafruit/Adafruit_CircuitPython_SimpleIO/issues/29
 2018-03-13 12:44:00 -07:00
Dan Halbert
b64d568267
Merge pull request #677 from tannewt/usb_active_read 
Move usb read finish into interrupt.
 2018-03-13 15:16:40 -04:00
Scott Shawcroft
15dd2fc0ab
Merge pull request #676 from vesperk38/patch-1 
line 172 has a typo   correct 2MB to 4MB
 2018-03-13 11:33:19 -07:00
Scott Shawcroft
8157248189 Move usb read finish into interrupt. 
Having the `active_read = false` in the background function left
a chance that a new_write occurs before active_read is set to false.

In that case, we'll read the appropriate data rather than write it
and never clear the active write.

Hopefully fixes #655.
 2018-03-13 11:29:29 -07:00
vesperk38
945f2f5aa1
line 172 has a typo correct 2MB to 4MB 2018-03-13 13:42:29 -04:00
Damien George
bdc875e602 drivers/memory/spiflash: Fix bugs in and clean up read/write functions. 
mp_spiflash_read had a bug in it where "dest" and "addr" were incremented
twice for a certain special case.  This was fixed, which then allowed the
function to be simplified to reduce code size.

mp_spiflash_write had a bug in it where "src" was not incremented correctly
for the case where the data to be written included the caching buffer as
well as some bytes after this buffer.  This was fixed and the resulting
code simplified.
 2018-03-13 14:13:30 +11:00
Damien George
e0bc438e4b py/obj.h: Move declaration of mp_obj_list_init to objlist.h. 
If this function is used then objlist.h is already included to get the
definition of mp_obj_list_t.
 2018-03-13 14:03:15 +11:00
Damien George
9f811e9096 py/obj.h: Clean up by removing commented-out inline versions of macros. 2018-03-13 14:01:55 +11:00
Damien George
d4b55eff44 py/misc.h: Remove unused count_lead_ones() inline function. 
This function was never used for unicode/utf8 handling code, or anything
else, so remove it to keep things clean.
 2018-03-13 13:23:30 +11:00
Dan Halbert
9d928b5726
Merge pull request #668 from python-ugame/master 
_stage: use 16 bit for coordinates to support larger screens
 2018-03-12 18:14:32 -04:00
Dan Halbert
ae3021bc9f
Merge pull request #669 from python-ugame/gamepad3 
gamepad: Enable the gamepad module for express boards in 3.x
 2018-03-12 15:32:40 -04:00
Damien George
033c32e694 esp8266/esp_mphal.h: Fix I2C glitching by using input mode for od_high. 
Certain pins (eg 4 and 5) seem to behave differently at the hardware level
when in open-drain mode: they glitch when set "high" and drive the pin
active high for a brief period before disabling the output driver.  To work
around this make the pin an input to let it float high.
 2018-03-12 12:45:09 +11:00
Tom Collins
4d3a92c67c extmod/vfs_fat: Add file size as 4th element of uos.ilistdir tuple. 2018-03-12 12:26:36 +11:00
Radomir Dopieralski
81ab2526e4 gamepad: Enable the gamepad module for express boards in 3.x 2018-03-11 13:39:54 +01:00
Radomir Dopieralski
493c1452f3 _stage: use 16 bit for coordinates to support larger screens 2018-03-11 12:07:23 +01:00
Damien George
1345093401 stm32/qspi: Do an explicit read instead of using memory-mapped mode. 
Using an explicit read eliminates the need to invalidate the D-cache after
enabling the memory mapping mode, which takes additional time.
 2018-03-11 18:28:48 +11:00
Damien George
cc34b087f0 drivers/memory/spiflash: Fix setting of QE bit in flash register. 2018-03-11 11:25:38 +11:00
Dan Halbert
dde5ade524
Merge pull request #663 from tannewt/dma3 
Use DMA for long SPI transactions including those to the SPI Flash.
 2018-03-09 21:23:10 -05:00
sommersoft
8c9cc6b7c0 nrf: changed Status to Runtime; instituted runtime singleton 2018-03-10 01:07:17 +00:00
sommersoft
2569b33c84 1 more sphinx fix; added '.. class::' constructor 2018-03-09 21:00:15 +00:00
Scott Shawcroft
e7fc0b6aa7 Use DMA for long SPI transactions including those to the SPI Flash. 
QSPI is not currently working so its commented out.

This is progress on #652.
 2018-03-09 12:45:46 -08:00