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300 Commits

Author SHA1 Message Date
Andrew Tridgell 56985f8c33 HAL_ChibiOS: added checking on bouncebuffer allocation 
fail operations if DMA bouncebuffer alloc fails
 2020-01-18 07:13:11 +11:00
Andrew Tridgell fced7d78fc HAL_ChibiOS: fixed clock src for I2C4 on H7 2020-01-08 05:56:23 +11:00
Andrew Tridgell 8ffd1050eb HAL_ChibiOS: fixed build on STM32F3 2020-01-02 09:52:57 +11:00
Andrew Tridgell faf34970e1 HAL_ChibiOS: automatically control pullup/pulldown on inverted UARTs 
this makes setup of sport telemetry much easier
 2020-01-02 09:52:57 +11:00
Andrew Tridgell f732a482fe HAL_ChibiOS: support wider range of clock frequencies 2019-12-20 16:50:48 +11:00
Andrew Tridgell 4f429e6c5a HAL_ChibiOS: fixed handling of 16bit timer wrap 
this fixes #12948
 2019-12-09 12:43:39 +11:00
Andrew Tridgell ef993f380f HAL_ChibiOS: use system_halt_hook() 2019-11-27 14:12:04 +11:00
Andrew Tridgell c1575654e2 HAL_ChibiOS: added optional debug code for hardfaults and panics 
this implements a soft-serial print function that can be used to get
debug out on a GPIO pin in a panic
 2019-11-27 14:12:04 +11:00
Andrew Tridgell a90a2e20dc HAL_ChibiOS: enable CAN callbacks 
this allows for much more reliable CAN comms in AP_Periph
 2019-11-09 17:11:32 +11:00
Andrew Tridgell bc1de7a208 HAL_ChibiOS: support STM32F3xx MCUs 2019-11-01 10:53:53 +11:00
Andrew Tridgell b5af1edf0d HAL_ChibiOS: moved app_descriptor to start of flash 
this prevents the bootloader from finding it's own image as a false
posititve in searching for the app_descriptor
 2019-10-28 15:53:16 +11:00
Andrew Tridgell d1bc0f236d HAL_ChibiOS: added pragma once for watchdog header 2019-10-26 15:32:10 +11:00
Andrew Tridgell fc8d9e8af5 HAL_ChibiOS: added RTC_BOOT_FWOK value for RTC reboot register 
this is used in CAN firmware to know if the main app firmware has run
for long enough to be considered good
 2019-10-26 15:32:10 +11:00
Andrew Tridgell e6cb35090c HAL_ChibiOS: fixed page size for STM31F105 flash 2019-10-21 19:12:01 +11:00
Andrew Tridgell 44f895ab16 HAL_ChibiOS: fixed for ZubaxGNSS build 2019-10-21 19:12:01 +11:00
Andrew Tridgell 91e8752c17 HAL_ChibiOS: wrap more libc functions 
this saves a few k of flash as it avoids linking libc versions of some
functions
 2019-09-09 13:31:30 +10:00
Andrew Tridgell 3166f84954 HAL_ChibiOS: added vsnprintf wrapper 
this allows us to use a common snprintf implementation
 2019-09-09 13:31:30 +10:00
Andrew Tridgell 0ffe2e75be HAL_ChibiOS: fixed warnings 2019-08-27 15:40:43 +10:00
Andrew Tridgell 9d760a2956 HAL_ChibiOS: disable re-entrancy in FATFS 
not needed now we have a semaphore in AP_Filesystem
 2019-08-27 15:40:43 +10:00
Andrew Tridgell bf79b65e07 HAL_ChibiOS: simplify stubs code 2019-08-27 15:40:43 +10:00
Andrew Tridgell d1565a96c5 HAL_ChibiOS: wrap cacheBuffer functions 
needed to avoid problem with end() method in UARTDriver shadowing with
F7 implementation of cache macros
 2019-08-27 15:40:43 +10:00
Andrew Tridgell b867ef35c0 HAL_ChibiOS: use AP_Filesystem API 2019-08-27 15:40:43 +10:00
Andrew Tridgell 63f39c2bd6 HAL_ChibiOS: fixed build of iomcu firmware 2019-08-27 10:29:56 +10:00
Andrew Tridgell 5cbe85ee19 HAL_ChibiOS: allow for ADC and clock overrides 2019-08-27 10:29:56 +10:00
Andrew Tridgell cbc83d68cd HAL_ChibiOS: allow for CAN enable override on F4 2019-08-27 10:29:56 +10:00
Andrew Tridgell fb68fa8bc9 HAL_ChibiOS: fixed typo for 512k F4 parts 2019-08-27 10:29:56 +10:00
Andrew Tridgell 16bdaaa1af HAL_ChibiOS: added support for STM31F10x for AP_Periph 2019-08-27 10:29:56 +10:00
Andrew Tridgell ffe0f338d3 HAL_ChibiOS: enable utime() API 2019-08-26 15:41:44 +10:00
Andrew Tridgell f8cfbb8062 HAL_ChibiOS: added ISR limit on I2C 
this will prevent any possibility of an I2C interrupt storm. This is
designed to address the most likely cause of #11642
 2019-08-25 17:12:16 +10:00
Siddharth Purohit 2f0d1336e6 HAL_ChibiOS: add support for dual usd cdc 2019-07-12 17:01:21 +10:00
Andrew Tridgell dbfe6b8019 HAL_ChibiOS: implement persistent_data for watchdog 
this is a much simpler approach to persistent data
 2019-05-15 15:33:48 +10:00
Andrew Tridgell 6333494d99 HAL_ChibiOS: disable peripheral power on boot on fmuv3 
then enable after 100ms, and let settle for 20ms. This is to fix an
issue with peripheral power on consistency with all fmuv3 boards

Thanks to Philip for the suggestion
 2019-05-11 18:45:18 +10:00
Michael du Breuil a4d9853f1d AP_HAL_ChibiOS: Actually enable the wrapper on remove 2019-04-26 08:07:19 +10:00
Andrew Tridgell 508aae8f2a HAL_ChibiOS: added save/restore of attitude in backup registers 2019-04-22 16:53:35 +10:00
Andrew Tridgell 730982b3c4 HAL_ChibiOS: fixed build with older gcc 2019-04-22 16:53:35 +10:00
Andrew Tridgell 2778a1b01e HAL_ChibiOS: save/restore home position in backup registers 
# Conflicts:
#	libraries/AP_HAL_ChibiOS/hwdef/common/stm32_util.c
 2019-04-22 16:53:35 +10:00
Andrew Tridgell f0f36c6237 HAL_ChibiOS: fixed watchdog timeout setting 2019-04-22 16:53:35 +10:00
Andrew Tridgell 9ca67dc811 HAL_ChibiOS: implement was_watchdog_armed() 2019-04-22 16:53:35 +10:00
Andrew Tridgell 1acb7e977f HAL_ChibiOS: added ability to restore safety state on watchdog reset 2019-04-22 16:53:35 +10:00
Andrew Tridgell 54cbf8ea9e HAL_ChibiOS: change to 2s timeout on watchdog 
a bit more of a safety net against false positives for stable release
 2019-04-22 16:53:35 +10:00
Andrew Tridgell 58aca561fd HAL_ChibiOS: fixed watchdog on H7 2019-04-22 16:53:35 +10:00
Andrew Tridgell 19526b5826 HAL_ChibiOS: implement scheduler->expect_delay_ms() 2019-04-22 16:53:35 +10:00
Andrew Tridgell a5309b3afa HAL_ChibiOS: record reason for reset 
allows us to tell if reset was due to watchdog
 2019-04-22 16:53:35 +10:00
Andrew Tridgell c09df1ea7b HAL_ChibiOS: added IWDG watchdog support 
this resets the MCU if the main loop stops for 1 second
 2019-04-22 16:53:35 +10:00
Andrew Tridgell 26d1371d25 HAL_ChibiOS: separate out DMA allocation for sdcard IO 
this fixes an issue with DMA to SPI6 on STM32H7. On the H7 SRAM4 can
be used for DMA and BDMA to all devices except for SDMMC which uses
IDMA.

by separating out DMA of sdcard data from other data we can arrange
for DMA to all devices to work
 2019-03-09 07:33:47 +11:00
Andrew Tridgell 160de969a5 HAL_ChibiOS: simplify H7 clock tree setup 
and push more peripherals to max of 100MHz
 2019-03-04 21:42:07 +11:00
Andrew Tridgell 5bcfe41d1f HAL_ChibiOS: push H7 clock to 400MHz 2019-03-04 19:38:06 +11:00
Andrew Tridgell 4c12ba4c2c HAL_ChibiOS: fixed SDMMC IRQ priority 2019-03-01 11:39:27 +11:00
Andrew Tridgell e192bc6c10 HAL_ChibiOS: adjust H7 clocks, and enabled SDMMC 2019-03-01 11:39:12 +11:00
Andrew Tridgell 64681cb05c HAL_ChibiOS: allocate threads from any heap 
this fixes a failure on MatekF405-Wing where it fails to allocate the
SPI thread for the IMU
 2019-02-27 11:54:28 +11:00
Andrew Tridgell 26e76e51ed HAL_ChibiOS: fixed H7 build with older compilers 2019-02-26 16:18:26 +11:00
Andrew Tridgell 70930cca29 HAL_ChibiOS: fixed bootloader build with gcc 4.9 2019-02-26 16:18:26 +11:00
Andrew Tridgell f8aeeb0333 HAL_ChibiOS: adjust clock tree to be more consistent 
use 96MHz for all peripheral buses
 2019-02-26 16:18:26 +11:00
Andrew Tridgell 5dd82f1d63 HAL_ChibiOS: adjust 16MHz HSE settings for H743 (CubeH7) 2019-02-26 16:18:26 +11:00
Andrew Tridgell b0f4494c4a HAL_ChibiOS: fixed DMA on SPI for Pixhawk4Pro 2019-02-26 16:18:26 +11:00
Andrew Tridgell 9966fbea0f HAL_ChibiOS: fixed bootloader build error 2019-02-26 16:18:26 +11:00
Andrew Tridgell e92c66418d HAL_ChibiOS: fixed bouncebuffer code on STM32F7 2019-02-26 16:18:26 +11:00
Andrew Tridgell a3e69e715d HAL_ChibiOS: avoid doing one-way SPI transfers 
these transfers use dummy bytes in the hal driver, which may not be in
DMA safe memory, so best to avoid them
 2019-02-26 16:18:26 +11:00
Andrew Tridgell cda1959629 HAL_ChibiOS: added support for more flexible memory regions 
this allows for an arbitrary number of memory regions, with each one
flagged as DMA safe, fast or normal
 2019-02-26 16:18:26 +11:00
Andrew Tridgell 5f88340919 HAL_ChibiOS: fixed flash build warning 2019-02-26 16:18:26 +11:00
Andrew Tridgell 8a40ee8132 HAL_ChibiOS: fixed idle wait on H7 flash program 2019-02-26 16:18:26 +11:00
Andrew Tridgell b07ba37359 HAL_ChibiOS: pass optimization to ChibiOS build 2019-02-26 16:18:26 +11:00
Andrew Tridgell 77d4e1f796 HAL_ChibiOS: removed ID_ANY streams for H7 
use generated map instead
 2019-02-26 16:18:26 +11:00
Andrew Tridgell 6422068e6b HAL_ChibiOS: fixed analog input on H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell 46787fe7d8 HAL_ChibiOS: adjust clocks for H743 2019-02-26 16:18:26 +11:00
Andrew Tridgell 6fb40a9713 HAL_ChibiOS: set FPU=hard if not set elsewhere 2019-02-26 16:18:26 +11:00
Andrew Tridgell f753669a58 HAL_ChibiOS: improved check for DTCM ram 2019-02-26 16:18:26 +11:00
Andrew Tridgell 37bcd6e7d8 HAL_ChibiOS: default to timer 5 for H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell e581be8df7 HAL_ChibiOS: optionally disable DCache on H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell 46cb506a22 HAL_ChibiOS: added cache management for H7 in bouncebuffer code 2019-02-26 16:18:26 +11:00
Andrew Tridgell ff21508ce8 HAL_ChibiOS: ensure 32 byte alignment for DMA on H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell 4b01e2c3b3 HAL_ChibiOS: fixed clock tree for no LSE on H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell 3c9ba02ce9 HAL_ChibiOS: fixed H7 flash 2019-02-26 16:18:26 +11:00
Andrew Tridgell 52b47e499b HAL_ChibiOS: fixed H7 clock tree for ADC driver 2019-02-26 16:18:26 +11:00
Andrew Tridgell de335f14d7 HAL_ChibiOS: fixed GPIO init for H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell 1fa0a2eeca HAL_ChibiOS: fixed peripheral enables on H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell ae448a6932 HAL_ChibiOS: enable DMA checking on H7 2019-02-26 16:18:26 +11:00
Andrew Tridgell 51b4d54f70 HAL_ChibiOS: disable show_stack_usage in bootloader 2019-02-26 16:18:26 +11:00
Andrew Tridgell 565706cf7e HAL_ChibiOS: fixed H7 flash handling 2019-02-26 16:18:26 +11:00
Andrew Tridgell c2746ca9f9 HAL_ChibiOS: simplify H7 hwdef.dat 2019-02-26 16:18:26 +11:00
Andrew Tridgell 227ecc53ac HAL_ChibiOS: support mcuconf for STM32H7 MCU 2019-02-26 16:18:26 +11:00
Andrew Tridgell ceb0ec70f9 HAL_ChibiOS: disable pipes API 
not used
 2019-02-26 16:18:26 +11:00
Andrew Tridgell 908b444a50 HAL_ChibiOS: update halconf for VER_7_0 API 2019-02-26 16:18:26 +11:00
Andrew Tridgell 247bb433ec HAL_ChibiOS: update chconf.h for VER_6_0 API 2019-02-26 16:18:26 +11:00
Andrew Tridgell 27a1fec911 HAL_ChibiOS: TBS-F7 is active low on sd power 2019-02-22 10:27:17 +11:00
Andrew Tridgell 94bace91a4 HAL_ChibiOS: bring up sensors rail after boot on TBS F7 
this prevents a reset loop on GPIO config
 2019-02-22 10:27:17 +11:00
murata 6bb11b5cc8 HAL_ChibiOS: Get the number of characters in strlen 2019-01-09 10:12:51 +11:00
Michael du Breuil e8373e1fdf AP_HAL_ChibiOS: add scripting heap 2018-12-31 19:25:23 -07:00
Andrew Tridgell 8188b4a039 HAL_ChibiOS: fixed card inserted test for SDC 2018-12-31 08:00:14 +11:00
Siddharth Purohit 8df52aba29 HAL_ChibiOS: move vsnprintf call to redirect Ardupilot's instead of ChibiOS's 2018-11-29 16:36:29 +11:00
Michael du Breuil 8c464572d8 AP_HAL_ChibiOS: Use a less clever version of realloc 
The clever version loses access to memory, and is excessively hard coded
 2018-11-26 22:32:56 +00:00
Andrew Tridgell a0ed658fcc HAL_ChibiOS: added palReadLineMode() function 
used to change and restore line modes
 2018-11-16 08:30:40 +11:00
Andrew Tridgell 065dba973b HAL_ChibiOS: fixed build warning on iomcu 2018-11-07 07:35:45 +11:00
Andrew Tridgell 4674a1c68d HAL_ChibiOS: fixed system time for clocks other than 1MHz 
needed for IOMCU
 2018-10-17 15:11:28 +11:00
Andrew Tridgell bcc1bd9752 HAL_ChibiOS: added realloc implementation 
needed for AP_Scripting
 2018-10-09 10:08:52 +11:00
Michael du Breuil 8382d377bd AP_HAL_ChibiOS: Add a BUFSIZ value 2018-10-09 10:08:52 +11:00
Michael du Breuil 9a48a0835e AP_HAL_ChibiOS: Don't redefine errno 2018-10-03 08:01:13 +10:00
Michael du Breuil f810b7b9f6 AP_HAL_ChibiOS: Make getcwd() take size_t as per the standard 2018-10-02 06:04:40 +10:00
Siddharth Purohit 8ac38d73f7 HAL_ChibiOS: add option for NO_FASTBOOT build and enable it for iomcu 2018-09-19 12:14:15 +10:00
Siddharth Purohit 6622c9b8fd HAL_ChibiOS: wrap sscanf and snprintf methods 2018-09-19 12:14:15 +10:00
Siddharth Purohit f9149f45b2 HAL_ChibiOS: explicitly mention if RTC not available 2018-09-19 12:14:15 +10:00
Siddharth Purohit 42b4730d88 HAL_ChibiOS: add changes to hwdef to support STM32F1 based controller 2018-09-19 12:14:15 +10:00
Siddharth Purohit e824a9c360 HAL_ChibiOS: add hwdef files to support IOMCU 2018-09-19 12:14:15 +10:00
Andrew Tridgell 33076be585 HAL_ChibiOS: fixed handling of 16 bit timers 
when we have a 16 bit timer then systime_t is 16 bit, and we need to
handle wrap of get_systime_us32()
 2018-08-26 18:34:26 +10:00
Andrew Tridgell dabdb969f6 HAL_ChibiOS: added support for HAL_Semaphore type 2018-08-16 12:40:10 +10:00
Andrew Tridgell 385f735799 HAL_ChibiOS: avoid 64 bit maths in AP_HAL::micros() 
this saves a few cycles
 2018-08-08 21:24:49 +10:00
Andrew Tridgell 4e6ac85057 HAL_ChibiOS: use 32 bit time intervals 
this makes for smaller and faster code. We really don't need 64 bit
intervals as long sleeps are done with a loop.
 2018-08-03 13:44:59 +10:00
Andrew Tridgell 1bd0ea079b HAL_ChibiOS: fixed build on older compilers 
allow build with gcc 4.9.x
 2018-08-03 13:44:59 +10:00
Andrew Tridgell 7aba99e229 HAL_ChibiOS: fixes for ChibiOS version update 2018-08-03 13:44:59 +10:00
Andrew Tridgell f8e2edbc7f HAL_ChibiOS: fixed cache flush for updated ChibiOS version 2018-08-03 13:44:59 +10:00
Siddharth Purohit 2604b00b43 HAL_ChibiOS: use ch.h header for oslib api 2018-08-03 13:44:59 +10:00
Siddharth Purohit ff65487ab3 HAL_ChibiOS: follow updated gpio pin setup procedure 2018-08-03 13:44:59 +10:00
Siddharth Purohit 5f88163e17 HAL_ChibiOS: update configuration and rtlib headers for ChibiOS 18.x.x 2018-08-03 13:44:59 +10:00
Siddharth Purohit 395c48933c HAL_ChibiOS: move tto using updated time conversion API 2018-08-03 13:44:59 +10:00
Andrew Tridgell 44fd85ff29 HAL_ChibiOS: reduce memory used by serial buffers 
this does not appear to affect log download speed. It saves about 27k
of memory
 2018-08-01 13:11:16 +10:00
Alexander Malishev 1377943eb3 HAL_ChibiOS: fix DTCM size in stm32f745 mcu 2018-07-26 17:52:37 +10:00
Andrew Tridgell 8a26ca1ddf HAL_ChibiOS: added a DMA reserve heap 
this ensures we keep some DMA-capable memory aside for when it is
needed
 2018-07-20 15:48:21 +10:00
Andrew Tridgell f2d602690e HAL_ChibiOS: fixed build error with some compilers 2018-07-13 08:50:46 +10:00
Andrew Tridgell 0201893f7c HAL_ChibiOS: fixed peripheral power-up on fmuv5 
we need to do the powerup before we initialise the UARTs
 2018-07-13 07:34:30 +10:00
Andrew Tridgell 63a0a4979c HAL_ChibiOS: delay peripheral power on for fmuv5 
this should prevent SiK radios staying in the bootloader
 2018-07-13 07:34:30 +10:00
Andrew Tridgell f083b80700 HAL_ChibiOS: added preallocation of DMA bouncebuffers 
we need 512 bytes for microSD
 2018-07-12 14:34:04 +10:00
Andrew Tridgell 963675689c HAL_ChibiOS: fixed substitution of %BOARD%-BL 2018-06-28 11:35:13 +10:00
Andrew Tridgell 946d0208e5 HAL_ChibiOS: fixed stm32f7 cache bug in erase flash page 2018-06-28 11:35:13 +10:00
Andrew Tridgell 2b7b499c63 HAL_ChibiOS: added support for RTC sig for fast boot 2018-06-28 11:35:13 +10:00
Andrew Tridgell bf6fb72904 HAL_ChibiOS: fixed 32 bit flash writes 2018-06-25 21:22:31 +10:00
Andrew Tridgell e40457d98f HAL_ChibiOS: avoid malloc in usbcfg 
this avoids the need for malloc in the bootloader
 2018-06-25 21:22:31 +10:00
Andrew Tridgell 369ac5edd0 HAL_ChibiOS: save more space in the bootloader 2018-06-25 21:22:31 +10:00
Andrew Tridgell e870b5f00a HAL_ChibiOS: use 32 bit flash operations when possible 2018-06-25 21:22:31 +10:00
Andrew Tridgell feefa05b41 HAL_ChibiOS: expose stm32_flash_ispageerased() 2018-06-25 21:22:31 +10:00
Andrew Tridgell dd1bd43a2e HAL_ChibiOS: added stm32_flash_keep_unlocked() 2018-06-25 21:22:31 +10:00
Andrew Tridgell 518d41e0d4 HAL_ChibiOS: added OTP defines 2018-06-22 08:00:31 +10:00
Alexander Malishev 661259de4e HAL_ChibiOS: reduce .text aigment to save flash space 2018-06-22 08:00:31 +10:00
Andrew Tridgell 3fc6824bfb HAL_ChibiOS: setup more bootloader config files 2018-06-22 08:00:31 +10:00
Andrew Tridgell 0cd46c063c HAL_ChibiOS: fixed flash driver for F7 
we need a data sync barrier due to the F7 cache
 2018-06-22 08:00:31 +10:00
Andrew Tridgell 3ef88e1b8f HAL_ChibiOS: allow flash support for bootloader 2018-06-22 08:00:31 +10:00
Andrew Tridgell 5216870492 HAL_ChibiOS: avoid strstr in usbcfg 
saves nearly 2k of flash
 2018-06-22 08:00:31 +10:00
Andrew Tridgell c12d14d7a4 HAL_ChibiOS: check for ChibiOS features 2018-06-22 08:00:31 +10:00
Andrew Tridgell 03f67d82c9 HAL_ChibiOS: allow more ChibiOS functionality to be disabled 
used by bootloader builds for minimal flash size
 2018-06-22 08:00:31 +10:00
Hyungsub 8ae2729022 AP_HAL_ChibiOS: fix memory leaks 
Fixes #8644
 2018-06-18 10:30:56 +01:00
Andrew Tridgell 1c4bf3d804 HAL_ChibiOS: fixed build warning 2018-06-15 11:26:40 +10:00
Andrew Tridgell 00d919018b HAL_ChibiOS: added RTC clock implementation 2018-06-15 08:01:22 +10:00
Alexander Malishev eac5d13f1c HAL_ChibiOS: use 2 channels in SoftSigReaderInt.cpp 2018-06-06 08:23:51 +10:00
Alexander Malishev fd45b3a69b HAL_ChibiOS: slightly increase EICU interrupt priority 2018-06-06 08:23:51 +10:00
Andrew Tridgell c273b23940 HAL_ChibiOS: moved MCU config to python database 
this moves the key MCU config variables related to memory to the
python MCU database, allowing the hwdef.dat to be considerably simpler
 2018-06-06 07:15:41 +10:00
Andrew Tridgell 0e09dc75c0 HAL_ChibiOS: flush all memory on chSysHalt() 
this makes debugging a lot easier, as gdb can see the values in dcache
 2018-06-06 07:15:41 +10:00
Andrew Tridgell 2493cdbcb6 HAL_ChibiOS: switch to new bouncebuffer system 
this removes the dma_flush and dma_invalidate methods and uses a
common bouncebuffer system for all CPU types. This enables microSD
support on STM32F7
 2018-06-06 07:15:41 +10:00
Andrew Tridgell 0b1e26a470 HAL_ChibiOS: added bouncebuffer system 
this makes our bouncebuffers available for ChibiOS system
drivers. This is needed for SDMMCv1 on STM32F7
 2018-06-06 07:15:41 +10:00
Andrew Tridgell 018c9ad40b HAL_ChibiOS: fixed build warnings 2018-06-06 07:15:41 +10:00
Andrew Tridgell eec4a12cc2 HAL_ChibiOS: switched to using DTCM memory for DMA 
this uses SRAM1 and SRAM2 for main memory, which enables the use of the
data cache for faster operation, and using DTCM for all DMA operations.
 2018-06-06 07:15:41 +10:00
Andrew Tridgell bb2e7a189f HAL_ChibiOS: added a debug function for showing stack free 
this can be enabled when needed to investigate stack space remaining
 2018-06-06 07:15:41 +10:00