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Author SHA1 Message Date
Gregory Nutt
dd56cc87be configs/flipnclick-pic32mz: Fix some SPI bus confusion; update README. 2018-02-10 11:45:12 -06:00
Gregory Nutt
642d7e3ce2 Squashed commit of the following: 
configs/flipnclick-pic32mz:  Add an nxlines configuration for use in testing the custom HiletGo Click board.
    arch/mips/src/pic32mz:  Correct some SPI-related typos.  configs/flipnclick-pic32mz: Finishes integration of HiletGo OLED. drivers/lcd:  Finish support for HiletGo OLED.
    drivers/lcd:  Add configuration support for HiletGo OLED.  configs/flipnclick-pic32mz:  Add board support for HiletGo OLED.
 2018-02-10 09:43:12 -06:00
Alan Carvalho de Assis
9e4cd2f720 arch/arm/src/xmc4/: Fix USIC_BRG_SCLKCFG definition 2018-02-09 13:00:20 -06:00
Gregory Nutt
b793c7040a Update README 2018-02-09 12:59:33 -06:00
Gregory Nutt
ee46bf4d29 Update README 2018-02-09 11:15:00 -06:00
Gregory Nutt
73ec87109f arch/mips/src/mips32: In up_idle, the kludge that was conditionally enabled if the work queue was enable appears to be needed even when he work queue is not enabled on the PIC32MZ. 
arch/mips/src/pic32mz: Fix some typos in debug instrumentation in pic32mz-gpio.c; fix some types releated to UART5 configuration in pic32mz-serial.c.

configs/flipnclick-pic32mz/nsh:  Switch serial console to UART3.  There is some problem with the UART4 RX pin documentation or configuration.
 2018-02-09 11:11:44 -06:00
Gregory Nutt
0e6ef003ff Fix some coding standard violations in the last PR. 2018-02-08 16:42:21 -06:00
Gregory Nutt
29ae7caedc Update README 2018-02-08 16:39:02 -06:00
hg42
da051fb3d9 Merged in hg42/nuttx/lpc17-disable-FDR (pull request #591) 
disable LPC17 FDR when not used

* disable LPC17 FDR when not used

    if a boot loader set the fractional divider (FDR) the baud rate in
    nuttx will be wrong (multiplied by this fraction).

    So if it is not used, it should be disabled.

    LPC176x docs say:
    "
    DIVADDVAL Baud-rate generation pre-scaler divisor value.
    If this field is 0, fractional baud-rate generator will
    not impact the UARTn baudrate.

    MULVAL Baud-rate pre-scaler multiplier value.
    This field must be greater or equal 1 for UARTn to operate properly,
    regardless of whether the fractional baud-rate generator is used or not.
    "

    So DIVADDVAL is set to 0 and MULVAL is set to 1.

* symbols found and added

Approved-by: Gregory Nutt <gnutt@nuttx.org>
 2018-02-08 22:37:58 +00:00
Gregory Nutt
970bcef197 configs/flipnclick-pic32mz: Add support for PROCFS file system. 2018-02-08 10:06:43 -06:00
Gregory Nutt
42720a5473 Update README 2018-02-07 14:55:56 -06:00
Gregory Nutt
6c58eac6ab configs/sabre-6quad: Update README. 2018-02-07 08:57:01 -06:00
Gregory Nutt
50ab5d638a sched/task: It is not appropriate for logic in task_exit() to call the new version of this_task(). sched/irq: Remove redundant fetch of CPU index; configs/sabre-6qguad: update README. 2018-02-06 19:06:33 -06:00
Gregory Nutt
cce21bef32 sched/sched: sched_lock() and sched_unlock().. back out some changes I made recently. The seemed correct but apparently not. Also reorder to logic so that g_global_lockcount is incremented for the very minimum amount of time. 2018-02-06 13:49:21 -06:00
Gregory Nutt
de34b4523f sched/ and arch/arm/src/armv7-a: Replace a few more occurrences of this_task() with current_task(cpu) in an effort to get the i.MX6 working in SMP mode again. It does not yet work, sadly. 2018-02-06 11:17:33 -06:00
Gregory Nutt
8aa1538506 arch/arm/src/armv7-a: Found some additional places were the new this_task() function cannot be called in the i.MX6 SMP configuration. 2018-02-06 10:33:28 -06:00
Gregory Nutt
0ba7853016 sched/irq: Fix a infinite recursion problem that a recent change introduced into the i.MX6 SMP implementation. 2018-02-06 09:18:03 -06:00
Alan Carvalho de Assis
fb50c44d08 Fix various issues noted by Coverity 2018-02-06 09:13:16 -06:00
Gregory Nutt
56bb76caca sched/irq: Fix an error in a assertion introduced in commit 37c9b3d54a. Noted by Masayuki Ishikawa. 2018-02-05 21:13:42 -06:00
Gregory Nutt
b884fb9fed sched/sched: Extend the last global lock change to work with the lc823450-xgevk which does not support the atomic fetch add but does support disabling interprocessor interrupts. Disabling interprocessor interrupts will also guarantee that the TCB addres calculation is atomic. 2018-02-05 13:32:09 -06:00
Gregory Nutt
37c9b3d54a sched/sched: Implements a global scheduler lock capability as part of SMP support. This allows the scheduler to be locked with no knowledge or access to the TCB of the currently running task. This is necessary because accessing the TCB of the currenlty running task is, itself, a non-atomic operation. This global scheduler lock cpability was add just to support that atomic access to the TCB. 2018-02-05 13:12:36 -06:00
Gregory Nutt
f51693e36a sched/sched: Clean up some logic that I committed yesterday. Add more comments and conditional logic to clarify the issues. 2018-02-05 08:31:21 -06:00
Gregory Nutt
8a48031615 Update some comments 2018-02-05 07:58:00 -06:00
Michael Jung
cbd8fa31d1 configs/stm32f429i-disco: Separate SPI4 from MTD init. I was trying to attach a non-MTD peripheral to an STM32F429I Discovery Board's SPI4 port and was hitting compilation problems, since CONFIG_MTD and thus 'struct mtd_geometry_s' was not defined. This patch separates SPI4 initialization logic from MTD initialization logic. 2018-02-05 06:35:40 -06:00
Gregory Nutt
873ffd13bc sched/sched: Temporarily comment out some bad logic 2018-02-04 18:18:26 -06:00
Gregory Nutt
aaf1079fa7 sched/sched: Fix a typo in the previous commit 2018-02-04 18:15:45 -06:00
Masayuki Ishikawa
c8a372702a sched/sched: SMP: Fix this_task() to be an atomic operation. In the previous implementation, this_task() was defined in sched.h by using just a macro current_task(this_cpu()). However, I found that this is not atomic and actually sometimes switching CPU happened in executing the macro when we tested audio steaming plus executing commands via telnet. This change resolves this issue by implementing atomic this_task()in sched_thistask.c which is newly introduced. 2018-02-04 16:59:09 -06:00
Gregory Nutt
31278bc163 Kconfigs: Add comments and a dependency. 2018-02-04 16:32:14 -06:00
Gregory Nutt
8187858d79 Fix a typo just introduced to a Kconfig file 2018-02-04 15:53:01 -06:00
Gregory Nutt
5beab6fbf0 spin_lock_irqsave() and spin_unlock_irqrestore() are only valid if the CPU supports global disabling of interrupts. 2018-02-04 15:41:22 -06:00
Gregory Nutt
5c5d19f1c8 Some ommissions from previous commit. 2018-02-04 12:36:51 -06:00
Gregory Nutt
1e59d9dd14 armv7-a, armv7-r, armv7-m: Add atomic read-add-write and read-subtract-write functions. 2018-02-04 12:22:03 -06:00
Alan Carvalho de Assis
97937d3d47 configs/stm32f103-minimum: Add support to BMP180 on BluePill (stm32f103-minimum) board. 2018-02-04 07:34:31 -06:00
Gregory Nutt
fad70bf90e Update some comments 2018-02-03 09:35:46 -06:00
Gregory Nutt
2683f713ab Make sure that labeling is used consistently in all function headers (part 3). 2018-02-01 12:17:03 -06:00
Gregory Nutt
1567b82429 Make sure that labeling is used consistently in all function headers (part 2). 2018-02-01 12:03:55 -06:00
Gregory Nutt
12474d2c38 Eliminate new warnings due to unused local variables noted in build testing. 2018-02-01 10:25:48 -06:00
Gregory Nutt
7cf88d7dbd Make sure that labeling is used consistently in all function headers. 2018-02-01 10:00:02 -06:00
Gregory Nutt
a096bc1266 binfmt/: Fix one more inappropriate access to the errno variable. 2018-02-01 08:33:04 -06:00
Gregory Nutt
e93cb86903 libc/stdio: in dtoa(), up_interrupt_context() is used in a debug assertion. up_interrupt_context() is not available in the user-mode phase of the PROTECTED or KERNEL build configurations. In those configurations, enabling libc floating point support and debug assertions will result in an undefined reference to up_interrupt_context(). 2018-02-01 07:37:16 -06:00
Stewart
be81893b55 arm/src/kinetis: Correct some Ethernet PHY register bit tests for the KSZ8081 PHY. 2018-02-01 07:24:36 -06:00
Gregory Nutt
d87b54099a Eliminate a warning. 2018-01-31 17:54:20 -06:00
Gregory Nutt
84b00e54d3 graphics/nxmu: Correct a compile error introduced with last big set of changes. 2018-01-31 16:26:51 -06:00
Gregory Nutt
8191640320 sched/task: Correct a compile error introduced with last big set of changes. 2018-01-31 16:17:23 -06:00
Gregory Nutt
50ca32e254 Squashed commit of the following: 
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.
 2018-01-31 16:11:54 -06:00
Gregory Nutt
1550ef2f54 arch/arm/src/lpc43xx: Correct a typo introduced in last large set of changes 2018-01-31 11:32:43 -06:00
Gregory Nutt
770a83bc7d graphics/vnc: Correct a typo introduced in last large set of changes 2018-01-31 11:31:12 -06:00
Gregory Nutt
da50646bcf sched/wdog: wd_start() is an internal OS function and should not set the errno value. Reviewed and updated every call to wd_start() to verify if return value is used and if so if the errno value is accessed. 2018-01-31 10:09:14 -06:00
Gregory Nutt
a959d7fefa fs/aio: Fix one additional place where the errno variable is being accessed inappropriately. 2018-01-31 09:19:19 -06:00
Juha Niskanen
a5cb1129f9 drivers/sensors/lis2dh: use realtime clock if monotonic is not available 2018-01-31 07:41:56 -06:00