drivers/serial/Kconfig: It is no longer necessary to restrict Ctrl-C handling to the FLAT build
sched/signal: Add a new configuration option to select signal default actions, separate handling of signal default actions from both task startup logic and from the serial TTY Ctrl-C logic. Add a signal set in the group structure to keep track of what signals have been set to the default action. In dispatching signals in PROTECTED or KERNEL mode, use this signal set to determine if the default signal handler is attached and dispatch the signal in kernel mode for the default actions.
driver/ioexpander: Add gpio_pin_unregister function to GPIO driver
driver/ioexpander: Add pinset struct to GPIO driver for interrupt pins larger than 64
driver/ioexpander: Initialize pintype/inttype when registering ioexpander device
driver/ioexpander: Add SETPINTYPE ioctl command to the GPIO driver
drivers/serial/uart_16550.c: Support 16550 auto hardware flow control
drivers/serial/uart_16550.c: Add configuration option CONFIG_16550_SUPRESS_INITIAL_CONFIG. This is identical to the standard configuration in arch/Kconfig CONFIG_SUPPRESS_UART_CONFIG, but with scope of only the 16550 driver.
drivers/serial/uart_16550.c: Add a configuration, analogous to the STM32 configuration option, to suppress the NuttX standard re-ordering for /dev/ttySN for special case of the 16550 UART.
config/serial: UART 16550: Add CONFIG_SERIAL_UART_ARCH_MMIO option so the a memory mapped device doesn't need to provide uart_getreg() and uart_putreg() implementations.
u16550_txempty() should check UART_LSR_TEMT to avoid some data left in the transmit FIFO
drivers/serial: Add Ctrl-C/Ctrl-X support. This is an initial working implementation that still requires that several details be resolved.
sched/task/task_start.c: Add default signal action to SIGKILL.
sched/wqueue: Modify high priority work queue to support multiple threads.
sched/wqueue and libs/libc/wqueue: workqueues don't need set global data to zero since .bss is cleared automatically. Removing this unnecessary initialization also avoids the loss the work items queued before initialization.
include/nuttx/arch.h: Add prototype for an architecture-specific up_trigger_irq function
arch/, include/nuttx, sched/sched: Add the garbage collection hook so each architecture can do custom memory cleanup if necesary.
arch/Kconfig: Add configureation CONFIG_ARCH_GNU_NO_WEAKFUNCTIONS to suppress use of weak functions. Some gnu derived toolchains do not support weak symbols
configs/olimex-stm32-p407: Various changes as necessary to get the new kelf configuration working.
configs/olimex-stm32-p407: Add kernel ELF (kelf) configuration.
Squashed commit of the following:
net/netlink: Mark netlink support as EXPERIMENTAL.
net/netlink/netlink_sockif.c: Add netlink_getpeername to the socket interface.
net: Add getpeeername() support for netlink sockets.
include/netpacket/netlink.h: Add a few more definitions and structures used at the NetLink interface. Still missing many.
net/netlink: Add basic framework for Netlink socket support.
include/: Add basic Netlink definitions.
This update is required to be serialized to the instruction stream meaning that after this update completes, it takes effect immediately and no exceptions of lower priority than the new boosted priority can pre-empt execution. Because of this erratum, the priority boosting does not take place immediately, allowing the instruction after the MSR to be interrupted by an exception of lower priority than the new boosted priority. This effect is only limited to the next instruction. Subsequent instructions are guaranteed to see the new boosted priority.
This was raised in Bitbucket issue 113 from Vadzim Dambrouski.
include/sys: Remove unused SYS_nnetsocket from syscall.h
Because SYS_nnetsocket is not implemented so far, it should be
removed so that SYS_prctl can work correctly.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: GregoryN <gnutt@nuttx.org>
configs/stm32f4discovery/src: Add board support to MAX7219 as numeric display controller
drivers/leds/max7219.c: Add support to MAX7219 to control 7-segment displays
Master
* drivers/sensors: added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* bh1790glc.h created online with Bitbucket
* bh1790glc.h deleted online with Bitbucket
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* drivers/sensors: Added drivers for kx224, bh1749nuc and bh1790glc
They are reliant on the cxd56_scu.
* README.txt: minor typo fix
* Minor typo fix
Approved-by: GregoryN <gnutt@nuttx.org>
Master
* libdsp: initial commit
* libdsp: cosmetics
* stm32f334-disco/buckboost: use a PID controller from libdsp
* stm32_adc.h: fix typo
* stm32_dac.c: set OUTEN bit for DAC1CH2 and DAC2CH1
* stm32_hrtim: cosmetic changes
* power/motor: direction parameter is now int8 + add overload fault
* libdsp: all floats with f-sufix
libdsp: add precision option for library
libdsp: add debug option for library and assertions in functions
libdsp: add current samples correction for SVM3
libds: add some motor control specific functions
libdsp: add basic speed observer
libdsp: fix phase shift in SMO observer
libdsp: add more logic to FOC
config/sim/dsptest: add dsptest configuration
* libdsp/lib_motor.c: remove unused comparation
* libdsp/lib_observer.c: update some comments
Approved-by: GregoryN <gnutt@nuttx.org>
net/utils: return from net_breaklock() was being clobbered.
net/: Replace all calls to iob_alloc() with calls to net_ioballoc() which will release the network lock, if necessary.
net/utils, tcp, include/net: Separate out the special IOB allocation logic and place it in its own function. Prototype is available in a public header file where it can also be used by network drivers.
net/utils: net_timedwait() now uses new net_breaklock() and net_restorelock().
This makes the user interface a little hostile. People thing of an MTU of 1500 bytes, but the corresponding packet is really 1514 bytes (including the 14 byte Ethernet header). A more friendly solution would configure the MTU (as before), but then derive the packet buffer size by adding the MAC header length. Instead, we define the packet buffer size then derive the MTU.
The MTU is not common currency in networking. On the wire, the only real issue is the MSS which is derived from MTU by subtracting the IP header and TCP header sizes (for the case of TCP). Now it is derived for the PKTSIZE by subtracting the IP header, the TCP header, and the MAC header sizes. So we should be all good and without the recurring 14 byte error in MTU's and MSS's.
Squashed commit of the following:
Trivial update to fix some spacing issues.
net/: Rename several macros containing _MTU to _PKTSIZE.
net/: Rename CONFIG_NET_SLIP_MTU to CONFIG_NET_SLIP_PKTSIZE and similarly for CONFIG_NET_TUN_MTU. These are not the MTU which does not include the size of the link layer header. These are the full size of the packet buffer memory (minus any GUARD bytes).
net/: Rename CONFIG_NET_6LOWPAN_MTU to CONFIG_NET_6LOWPAN_PKTSIZE and similarly for CONFIG_NET_TUN_MTU. These are not the MTU which does not include the size of the link layer header. These are the full size of the packet buffer memory (minus any GUARD bytes).
net/: Rename CONFIG_NET_ETH_MTU to CONFIG_NET_ETH_PKTSIZE. This is not the MTU which does not include the size of the link layer header. This is the full size of the packet buffer memory (minus any GUARD bytes).
net/: Rename the file d_mtu in the network driver structure to d_pktsize. That value saved there is not the MTU. The packetsize is the memory large enough to hold the maximum packet PLUS the size of the link layer header. The MTU does not include the link layer header.
Squashed commit of the following:
drivers/usbhost/usbhost_max3421e.c: Add USB tracing support. Fix compilation errors when assertions and debug is enabled.
drivers/usbhost/usbhost_max3421e.c: Fixes to get a clean compilation.
drivers/usbhost/usbhost_max3421e.c: Drivers is basically code complete.
drivers/usbhost/usbhost_max3421e.c: Missed a little bit of logic in the last commit.
drivers/usbhost/usbhost_max3421e.c: Completes implementatin of control transfers.
drivers/usbhost/usbhost_max3421e.c: Implements low-level part of packet receive.
drivers/usbhost/usbhost_max3421e.c: Reorder some functions add a little more transfer-related logic.
drivers/usbhost/usbhost_max3421e.c: Completes basic logic path for sending normal packets.
drivers/usbhost/usbhost_max3421e.c: Correct handling of SNDFIFO double buffering.
drivers/usbhost/usbhost_max3421e.c: Not necessary to set the ACKSTAT bit in host mode. Clean up some comments.
drivers/usbhost/usbhost_max3421e.c: Mostly cosmetic cleanup
drivers/usbhost/usbhost_max3421e.c: Revise some previous logic. Looks like the MAX3421E can handle 16 channels in host mode. A little bit of work on packet transfer logic.
Copy paste error fix
drivers/usbhost/usbhost_max3421e.c: Add some channel allocation logic.
drivers/usbhost/usbhost_max3421e.c: Add some initialization logic.
drivers/usbhost/usbhost_max3421e.c: Add logic to determine if a full or low speed device has been connected.
drivers/usbhost/usbhost_max3421e.c: Add interrupt handling and bus reset logic.
drivers/usbhost/usbhost_max3421e.c: Add framework for an MAX3421E host driver. Initial commit is just the STM32 OTGFS host driver with a few new SPI-related functions.
Fix a few typo/compilation problems.
net/: Remove all CONFIG_NET_xxx_TCP_RECVWNDO configuration variables. They were used only to initialize the d_recwndo of the network device structure which no longer exists.
net/: Remove the device TCP receive window field (d_recvwndo) from the device structure. That value is no longer retained, but is calculated dynamically.
Remove some dangling references to CONFIG_NET_TCP_RWND_CONTROL.
net/tcp: Take read-ahead throttling into account when calculating the TCP receive window size.
net/tcp: tcp_get_recvwindow() now returns the receive window size directly (vs. indirectly via the device structure).
net/tcp: Remove CONFIG_NET_TCP_RWND_CONTROL. TCP window algorithm is now trigged only by CONFIG_NET_TCP_READAHEAD.
net/netdev: Add implementation of if_nametoindex() and if indextoname().
net/pkt: Raw AF_PACKET sockets now depend on CONFIG_NETDEV_IFINDEX.
net/procfs: Tweak to handle traversal of interfaces if CONFIG_NETDEV_IFINDEX is not defined.
net/netdev.h: Update netdev_findbyaddr() to use the assigned device index.
Trivial typo fix
net/netdev: Add support for assigned an interface index to a device when it is regisgtered.
sched/clock: Move the implementation of clock() from libs/libc/time to sched/clock. This is necessary because it calls the (now) internal OS function clock_systimer. clock() is now accessed only via a system call in certain configuratins.
libs/libc/wqueue: Replace calls to clock_systimer() with calls to the equivalent clock().
Squashed commit of the following:
sched: Rename all use of system_t to clock_t.
syscall: Rename all use of system_t to clock_t.
net: Rename all use of system_t to clock_t.
libs: Rename all use of system_t to clock_t.
fs: Rename all use of system_t to clock_t.
drivers: Rename all use of system_t to clock_t.
arch: Rename all use of system_t to clock_t.
include: Remove definition of systime_t; rename all use of system_t to clock_t.
Squashed commit of the following:
Author: Gregory Nutt <gnutt@nuttx.org>
include/nuttx/wireless/ieee80211: Cosmetic, coding standard changes from review of last merge.
drivers/wireless/ieee80211: Cosmetic, coding standard changes from review of last merge.
configs/photon: Cosmetic, coding standard changes from review of last merge.
arch/arm/src/stm32: SDIO changes from last review: Fix a few long lines and other coding standard issues; Make additions for SDIO card support dependent on a configuration option.
Author: hhuysqt <hyq9606@126.com>
Return IEEE 802.11 MAC address just as ethernet does
Modifyed bcmf_board_setup_oob_irq declaration
Modified OOB ISR function types
Add some logic according to WICED SDK
Bug fixed: data_offset counts in 4-bytes
Add BCM43438 logic for future developement
Add tips on using telnet
Use SDIO in-band interrupt instead of OOB interrupt, because Photon seems to unconnect the OOB interrupt line...
add SDIO in-band interrupt logic
Squashed commit of the following:
arch/arm/src/stm32: Add Kconfig options needed by the HCI UART. Various fixes to finally get a clean error free compile with no unexpected warnings.
arch/arm/src/stm32: In HCI UART, use spin_lock_irqsave() instead of enter_critical_section() whenever possible.
arch/arm/src/stm32: In HCI UART, fix up naming of configurations so that they are unique. Still needs Kconfig settings. Modify logic so that there can be multiple HCI UARTs, some supporting DMA and some not.
arch/arm/src/stm32: Integrate watermarks and software Rx flow control into the HCI UART driver.
arch/arm/src/stm32: Eliminate some HCI UART UART configuration options. Per the HCI UART spec, the link will b 8 data bits, no parity, 1 stop bit... Always.
arch/arm/src/stm32: Trivial cleanup
arch/arm/src/stm32: Fixes most initial compilation issues STM32 HCI UART driver. Still need to set up USART configuration parmeters for HCI UART
arch/arm/src/stm32: Completes first cut at STM32 HCI UART driver.
arch/arm/src/stm32: Completes most of read logic for HCI UART. Still needs to be able to block if no read data is available. Still missing write and flush logic.
drivers/wireless: Remove txenable from HCI UART methods. arch/arm/src/stm32: Reorganize some structures in HCI UART.
arch/arm/src/stm32: Still messaging the HCI uart driver.
arch/arm/src/stm32: Some trivial renaming.
arch/arm/src/stm32: A little more HCI-UART logic.
arch/arm/src/stm32: Initial setup to support HCI-UART. Little more than the serial driver with some name changes and a few things removed.
Squashed merge of the following:
Author: Gregory Nutt <gnutt@nuttx.org>
drivers/sensors: Fix some minor typos in last commit that cause some compile problems.
drivers/sensors/: Clean up some coding standard isses in LM330 and ADXL372 drivers.
drivers/sensors/README.txt: Clean up some long lines and odd line breaks.
include/nuttx/sensors: Completes coding style review of adxl372.h, cluster_driver.h, and lsm330.h.
Author: Bob Feretich <bob.feretich@rafresearch.com>
Add LSM330 SPI and ADXL372 drivers along with the cluster driver infrastructure.
Squashed commit of the following:
Author: Gregory Nutt <gnutt@nuttx.org>
Some cosmetic changes from coding style review.
Author: Juha Niskanen <juha.niskanen@haltian.com>
drivers/1wire: add 1-wire subsystem and ds28e17 driver
Squashed commit of the following:
Author: Gregory Nutt <gnutt@nuttx.org>
Fix a few remaining refereces to cc3000.
Author: Alan Carvalho de Assis <acassis@gmail.com>
drivers/wireless/cc3000: emove the driver to support CC3000 because it doesn't use the USRSOCKET
Author: Alan Carvalho de Assis <acassis@gmail.com>
configs: Remove board support to CC3000 from all relevant configurations.
Author: Gregory Nutt <gnutt@nuttx.org>
configs/spark: Removes Spark board configuration. Still available in the Obsoleted repository. This is preparation for removal of CC3000 support by Alan Carvalho de Assis. If there is no CC3000 support, then there is no purpose in supporting the Spark either.
Change all Sony related copyright to conform with our company's internal rules.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
wireless/bluetooth: This completes the basic logic path that gets frames from the Bluetooth stack and into the network layer.
wireless/bluetooth: Fleshes out some of the network packet receive logic.
wireless/bluetooth: Replace buffer allocated with primitive allocator from ieee 802.15.4.
wireless/ieee802154: Fix a few typos.
wireless/bluetooth: More renaming in preparation for some real work.
wireless/bluetooth: Some trivial renaming; update comments
Squashed commit of the following:
wireless/bluetooth: Some small changes that gets to a clean compile by just eliminating some incorrect implementations (still with a lot of warnings. The logic is still incomplete but now not so lethal.
wireless/bluetooth: Restructuring: Connection interfaces should internal to wireless/bluetooth. include/nuttx/wireless/bt_conn.h removed and merged with wireless/bluetooth/bt_conn.h. Several fix to get closer to bt_netdev.c compiling. Need to design some not interfaces and use some existing interfaces to send and receiv packets.
wireless/bluetooth: Some organization with some network device compile errors fixed. Still not even close to compiling.
net/bluetooth: Fix numerous compile issues; Still open design issues with regard to the interface with the Bluetooth stack.
wireless/bluetooth: Create bt_netdev.c with a crude copy of mac802154_netdev.c. Does not not even compile yet.
include/nuttx/net: Add bluetooth.h. Content is not yet correct.
net/netpackets: Add bluetooth.h. Update net/bluetooth to use new socket address definition.
net/bluetooth: Some fixes for initial build.
net/bluetooth: Add initial support for Bluetooth sockets. The initial cut is just the a clone of the IEEE 802.15.4 socket support with name changes.
net/ieee802154: Fix some typos noted when cloning to create net/bluetooth.
Squashed commit of the following:
drivers/bluetooth: Re-architect Bluetooth UART driver to follow upper/lower half model. Completely untested.
drivers/bluetooth: Grr.. Another band-aid commit to stay in sync with master. Why is this so difficult
drivers/bluetooth: Band-aid commit to stay in sync with master. Lost it somehow.
drivers/wireless/bluetooth: A few changes, mostly thought experiments.
drivers/wireless/bluetooth: UART-based Bluetooth driver ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package. This initial commit is the original files in the NuttX build environment with changes to conform with the coding standard. It should not even build.
NOTE: This selection is marked EXPERIMENTAL. It is incomplete and, hence, untested. It still lacks any low-level Bluetooth drivers and is missing the network interface driver.
Squashed commit of the following:
wireless/bluetooth: Fixe last of compile issues. Now compiles without errors or warnings.
wireless/blutooth: Add macros BT_GETUINT16() and BT_PUTUINT16(). Fix more compile errors. Only one file now generates compile errors.
wireless/bluetooth: Add macros BT_LE162HOST() and BT_HOST2LE16().
wireless/bluetooth: Add bt_queue.c; begin fixing comple errors. Many more compile problems yet to resolve.
Kconfig edited online with Bitbucket
wireless/bluetooth: Struggling to remove nano_fifo logic: Replace buffer management with IOB allocate... this changes some logic and might have some side effects. Use messages queues instead of nano-fifos to inter-task communications. nano-fifos still used in 'frag' logic... whatever that is.
wireless/bluetooth: Fix numerous typos introduced by an ill conceived search-and-replace.
wireless/bluetooth: Add message queue support to manage interthread buffer transfers.
wireless/bluetooth: Replace fibers with kernel threads.
wireless/bluetooth: Fix a few initial compile errors. Just the tip of the iceberg.
wireless/bluetooth: Complete leveage of the bluetooth stack including public header files.
wireless/bluetooth: Complete leverage of all Bluetooth source files. Still missing header files that defines the driver interface. Also missing the network driver implementation.
wireless/bluetooth: Fix some naming of static global variables.
wireless/bluetooth: Adds three more files ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package (plus two original files).
wireless/bluetooth: Adds five more files ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package.
wireless/bluetooth: Adds three more files ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package.
wireless/bluetooth: First few files ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package.
mac802154: Adds ackreq flag to TX descriptor for use by radio driver.
The radio layer is responsible for a full "transaction". Because of
differences in radio capabilites, the radio must be responsible for
the handling of acks and retransmissions. This commit simply passes
the ackreq meta-data flag along to the radio.
Approved-by: Gregory Nutt <gnutt@nuttx.org>
Squashed commit of the following:
fs/cromfs: Now depends on EXPERIMENTAL because it is not yet verified.
fs/cromfs: This commit brings the CROMFS file system to code complete. Still completely untested. Next steps: Need a tool to generate CROMFS file system images and a test case under apps/
fs/cromfs: Add logic to traverse the in-memory file system nodes.
fs/cromfs: Add initial support for an in-memory, compressed, read-only file system.
net/tcp: Add logic to send probes when SO_KEEPALIVE is enabled.
net/tcp: TCP socket should not have to be connected to configure KeepAlive.
net/: Add a separate configuration to enable/disable KEEPALIVE socket options.
net/tcp: Arguments to TCP keep-alive timing functions probably should be struct timeval as are the times for other time-related socket options.
net/tcp: Fix a backward conditional
net/tcp: Add some more checks and debug output to TCP-protocol socket options.
net/tcp: Cosmetic changes to some alignment.
net/: Adds socket options needed to manage TCP-keepalive and TCP state machine logic to detect if that the remote peer is alive. Still missing the timer poll logic to send the keep-alive probes and the state machine logic to respond to probes.
drivers/lcd/ft80x: ACTIVE host command appears to be formatted differently than other host commands; Fix ROM CHIPID. Appears to be big-ending, BCD.
drivers/lcd/ft80x: Fix some compile issues when debug features are enabled.
Feature pca9540bdp i2cmultiplexer
* Implement common i2c multiplexer abstraction to be reused by i2c multiplexer devices. Provide common interface with transfer and reset calls to set up virtual i2c busses.
* Remove i2cmux_lower_half.c and headers, will be implemented by each mux driver
* Implement PCA9540BDP I2C multiplexer lower half which uses the common i2c mux abstraction
* Remove application interface and implement common i2c functions
* Remove application interface from pca driver and implement common i2c functions directly in the pca driver
* Use i2cerr
Approved-by: Gregory Nutt <gnutt@nuttx.org>
cc1101: Changes from review of last PR.
remove gpio
remove cc1101 frame len
remove FLAGS_RXONLY flags
add cc1101 function
remove some waring
add cc1101 poll function
add cc1101 register
add cc1101 isr read data
add cc1101 spi deviceId
add cc1101 init2
add wait cc1101 chip ready
raw init cc1101
drivers/lcd and include/nuttx/lcd: Add FT80x support for writing to graphics memory. Also add some definitions needed by apps/examples/ft80x for bitmap manipulation.
drivers/lcd: Review/update FT80x initializatin logic
drivers/lcd: Rename ft80x_base.c to just ft80x.c. Add logic to notify FT80X clients of events via signals.
drivers/lcd: Trivial updates to naming. Add some new definitions.
Squashed commit of the following:
drivers/lcd: Finishes off basic FT80X. Still missing some niceties.
drivers/lcd: Rethink FT80X display list interface.
drivers/lcd: More FT800x display list logic. Still not complete.
drivers/lcd: Add some basic FT80x initialization logic.
drivers/lcd: Add ft80x display list IOCTL framework. Still missing low level display list operations.
drivers/lcd: FT80x driver cannot be a standard LCD driver but must, instead, be a custom character driver.
drivers/lcd: Add FT800 co-processor commands and display list helpers.
drivers/lcd: Add SPI interface and framework for the initialization and the basic LCD driver.
drivers/lcd: Add beginnings of some FT80x implementation.
drivers/lcd: Add definitions for the FTDI FT801 part
include/nuttx/lcd/ft800.h: Add initial FT800 interface definition.
drivers/lcd: Add ft800 header file.
Added support for LIS3DH accelerometer sensor.
* Added support for LIS3DH accelerometer sensor.
* Fix line length
* Fix more line lengthts
Approved-by: Gregory Nutt <gnutt@nuttx.org>
sched/: Convert legitimate uses of task_create() to nxtask_create(). Review handling of returned values from all uses of kthread_create() (as well as nxtask_create()).
graphics/: Review return values for all calls to kthread_start() because it no longer returns an errno.
drivers/: threads started by drivers should be kernel threads, not user tasks. Review return values for all calls to kthread_start() because it no longer returns an errno.
configs/: threads started by board bringup logic should be kernel threads, not user tasksi (part 2 of 2).
sched/task: Add nxtask_create(). Kthread_create() and nxtask_create() are internal OS functions and should not modify the errno variable. configs/: threads started by board bringup logic should be kernel threads, not user tasks.
The previous implementation of clearing global IRQ in sched_addreadytorun()
and sched_removereadytorun() was done too early. As a result, nxsem_post()
would have a chance to enter the critical section even nxsem_wait() is
still not in blocked state. This patch moves clearing global IRQ controls
from sched_addreadytorun() and sched_removereadytorun() to sched_resumescheduler()
to ensure that nxsem_post() can enter the critical section correctly.
For this change, sched_resumescheduler.c is always necessary for SMP configuration.
In addition, by this change, task_exit() had to be modified so that it calls
sched_resumescheduler() because it calls sched_removescheduler() inside the
function, otherwise it will cause a deadlock.
However, I encountered another DEBUGASSERT() in sched_cpu_select() during
HTTP streaming aging test on lc823450-xgevk. Actually sched_cpu_select()
accesses the g_assignedtasks which might be changed by another CPU. Similarly,
other tasklists might be modified simultaneously if both CPUs are executing
scheduling logic. To avoid this, I introduced tasklist protetion APIs.
With these changes, SMP kernel stability has been much improved.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
sched/sched: Correct some build issues introduced by last set of changes.
sched/sched: Add new internal OS function nxsched_setaffinity() that is identical to sched_isetaffinity() except that it does not modify the errno value. All usage of sched_setaffinity() within the OS is replaced with nxsched_setaffinity().
sched/sched: Internal functions sched_reprioritize() and sched_setpriority() no longer movidify the errno value. Also renamed to nxsched_reprioritize() and sched_setpriority().
sched/sched: Add new internal OS function nxsched_getscheduler() that is identical to sched_getscheduler() except that it does not modify the errno value. All usage of sched_getscheduler() within the OS is replaced with nxsched_getscheduler().
sched/sched: Add new internal OS function nxsched_setparam() that is identical to sched_setparam() except that it does not modify the errno value. All usage of sched_setparam() within the OS is replaced with nxsched_setparam().
sched/sched: Add new internal OS function nxsched_getparam() that is identical to sched_getparam() except that it does not modify the errno value (actually, the previous value erroneously neglected to set the errno value to begin with, but this fixes both issues). All usage of sched_getparam() within the OS is replaced with nxsched_getparam().
Squashed commit of the following:
net/udp: Address most of the issues with UDP write buffering. There is a remaining issue with handling one network going down in a multi-network environment. None of this has been test but it is certainly ready for test. Hence, the feature is marked EXPERIMENTAL.
net/udp: Some baby steps toward a corrected write buffering design.
net/udp: Remove pesky write buffer macros.
Eliminate trailing space at the end of lines.
net/udp: A little more UDP write buffering logic. Still at least on big gaping hole in the design.
net/udp: Undefined CONFIG_NET_SENDTO_TIMEOUT.
net/udp: Crude, naive port of the TCP write buffering logic into UDP. This commit is certainly non-functional and is simply a starting point for the implementatin of UDP write buffering.
net/udp: Rename udp/udp_psock_sendto.c udp/udp_psock_sendto_unbuffered.c.
Squashed commit of the following:
configs: Each board now initializes the touchscreen controller as a normal part of its board bring-up. board_tsc_setup() is gone; the touchscreen controller is now treated like any other on-board device.
Remove all support for BOARDIOC_TSCTEST_SETUP
Move prototype for board_tsc_setup() from include/nuttx/board.h to individual board header files.
These APIs are used in sched_note.c to protect instumentation data.
The deffrence between these APIs to exsiting spin_lock() and spin_unlock()
is that they do not perform insturumentation to avoid recursive call
when SCHED_INSTRUMENTATION_SPINLOCKS=y.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
fs: Add truncate() support for userfs
fs/unionfs: Add truncate() support to the unionfs
fs/tmpfs: Add ftruncate() support to tmpfs
syscall/: Add system call support for ftruncate()
net/route: Adding ftruncate() support eliminates an issue in file-based routing table management.
fs: Add basic framework to support truncate() and ftruncate(). The infrastructure is complete. Now, however, the actual implementation of ftruncate() will have to be done for each file system.
SMP: Introduce spin_lock_irqsave() and spin_unlock_irqrestore()
These APIs are simplified version of enter_critical_section() and
leave_critical_section() to protect data (e.g. registers) in SMP mode.
By using these APIs inside drivers, performace will be improved.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
