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Author SHA1 Message Date
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
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
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
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
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
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
Damien George
0d5bccad11 stm32/storage: Provide support for a second block device. 2018-03-10 01:03:27 +11:00
Damien George
bb3359f357 stm32/boards/STM32L476DISC: Provide SPI-flash bdev config. 
This board shows how to configure external SPI flash as the main storage
medium.  It uses software SPI.
 2018-03-10 00:59:43 +11:00
Damien George
626d6c9756 stm32/storage: Introduce MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE cfg. 
This config variable controls whether to support storage on the internal
flash of the MCU.  It is enabled by default and should be explicitly
disabled by boards that don't want internal flash storage.
 2018-03-10 00:59:43 +11:00
Damien George
d1c4bd69df stm32/storage: Remove all SPI-flash bdev cfg, to be provided per board. 
If a board wants to use SPI flash for storage then it must now provide the
configuration itself, using the MICROPY_HW_BDEV_xxx macros.
 2018-03-10 00:59:43 +11:00
Damien George
1803e8ef22 stm32/storage: Make spi_bdev interface take a data pointer as first arg. 
This allows a board to have multiple instances of the SPI block device.
 2018-03-10 00:59:43 +11:00
Damien George
1e4caf0b1e stm32/storage: Merge all misc block-dev funcs into a single ioctl func. 
It makes it cleaner, and simpler to support multiple different block
devices.  It also allows to easily extend a given block device with new
ioctl operations.
 2018-03-10 00:59:43 +11:00
Damien George
a739b35a96 drivers/memory/spiflash: Change to use low-level SPI object not uPy one. 
This patch alters the SPI-flash memory driver so that it uses the new
low-level C SPI protocol (from drivers/bus/spi.h) instead of the uPy SPI
protocol (from extmod/machine_spi.h).  This allows the SPI-flash driver to
be used independently from the uPy runtime.
 2018-03-10 00:59:43 +11:00
Damien George
58ebeca6a9 drivers/bus: Pull out software SPI implementation to dedicated driver. 
This patch takes the software SPI implementation from extmod/machine_spi.c
and moves it to a dedicated file in drivers/bus/softspi.c.  This allows the
SPI driver to be used independently of the uPy runtime, making it a more
general component.
 2018-03-10 00:59:43 +11:00
iabdalkader
ad2a6e538c stm32/system_stm32: Fix CONFIG_RCC_CR_2ND value to use bitwise or. 2018-03-09 23:37:09 +11:00
Damien George
9cef2b03a7 docs/reference/repl.rst: Fix some minor errors in the REPL tutorial. 2018-03-09 16:14:58 +11:00
Tom Collins
993f4345c0 stm32/usbd_conf.h: Add include of stdint.h to fix compilation issues. 2018-03-09 16:08:08 +11:00
Damien George
eb56efb434 stm32: Remove startup_stm32.S, now provided in boards/ for each MCU. 2018-03-09 15:14:24 +11:00
iabdalkader
66748aaf60 stm32/Makefile: Use separate startup file for each MCU series. 2018-03-09 15:14:17 +11:00
iabdalkader
88157715db stm32/boards: Add startup_stm32l4.s for L4 series specific startup. 2018-03-09 15:14:10 +11:00
iabdalkader
e3b81f5712 stm32/boards: Add startup_stm32f4.s for F4 series specific startup. 2018-03-09 15:14:03 +11:00
iabdalkader
d84f1a90cc stm32/boards: Add startup_stm32f7.s for F7 series specific startup. 2018-03-09 15:13:56 +11:00
iabdalkader
0f5cce7753 stm32/boards: Add startup_stm32h7.s for H7 series specific startup. 2018-03-09 15:13:13 +11:00
iabdalkader
bbf19bb64e stm32/main: Enable D2 SRAM1/2/3 clocks on H7 MCUs. 2018-03-09 15:12:58 +11:00
iabdalkader
61d463ad07 stm32/mpconfigboard_common: Add STM32H7 common configuration. 2018-03-09 15:12:44 +11:00
iabdalkader
6d3f42f713 stm32/extint: Add EXTI support for H7 MCUs. 2018-03-09 15:12:34 +11:00
iabdalkader
711f817c2a stm32/rtc: Add RTC support for H7 MCUs. 2018-03-09 15:12:29 +11:00
iabdalkader
0e51e4d139 stm32/dma: Add DMA support for H7 MCUs. 2018-03-09 15:12:19 +11:00
iabdalkader
fe29419c10 stm32/stm32_it: Add support for H7 MCUs. 2018-03-09 15:12:01 +11:00
iabdalkader
2858e0aef8 stm32/usbd_conf: Add USB support for H7 MCUs. 2018-03-09 15:11:22 +11:00
iabdalkader
d151adb791 stm32/modmachine: Support basic H7 MCU features. 2018-03-09 15:10:53 +11:00
iabdalkader
0989e0cdff stm32/timer: Add Timer support for H7 MCUs. 2018-03-09 15:10:46 +11:00
iabdalkader
b982b95c18 stm32/uart: Add UART support for H7 MCUs. 2018-03-09 15:10:39 +11:00
iabdalkader
a863c60439 stm32/wdt: Add WDT support for H7 MCUs. 2018-03-09 15:10:31 +11:00