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8c9bddf998
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2404 Commits

Author SHA1 Message Date
Gregory Nutt
8c9bddf998 I2C: Eliminate the I2C_WRITE and I2C_READ macros 2016-02-01 08:57:22 -06:00
Gregory Nutt
10000841a8 The I2C_TRANSFER method is no longer optional 2016-01-31 14:16:05 -06:00
Gregory Nutt
9370b94241 compiler.h: Missing IOBJ/IPTR definitions for the ZDS-II toolchain 2016-01-31 12:44:44 -06:00
Gregory Nutt
af335827d0 Update ChangeLog 2016-01-30 11:27:49 -06:00
Gregory Nutt
cccfb11e38 Forgot to add a file in the last commit 2016-01-30 08:49:20 -06:00
Gregory Nutt
3a781a2d3f Remove I2C slave methods from I2C master interface; rename i2c_dev_s to i2c_master_s. 2016-01-30 08:36:47 -06:00
Gregory Nutt
ceb415204e Move include/nuttx/i2c.h to include/nuttx/i2c/i2c_master.h 2016-01-30 08:00:16 -06:00
Vladimir Komendantskiy
19feab1bd6 drivers/modem/u-blox.c and include/nuttx/drivers/u-blox.h: Add an upper half driver for the U-Blox Modem. From Vladimir Komendantskiy 2016-01-30 07:37:43 -06:00
Entinger Alexander
dc8c14aa53 Driver for the 24-Bit Differential Input ADC ADS1242 that communicates via SPI with a MCU. Reading the ADC conversion result as well as configuring the ADC, setting the input channel, etc. is implemented via ioctl calls. However, it does not yet implement the standard ADC interface. 2016-01-29 07:41:23 -06:00
Gregory Nutt
fd896330d8 Remove the final vestiges of up_spiinitialize() 2016-01-27 09:27:56 -06:00
Gregory Nutt
11dab241de SPI slave: Prototype for MCU-specific slave initialization function removed from spi_slave.h 2016-01-26 13:04:12 -06:00
Gregory Nutt
b6b3c2be3e Add I2C_TRANSFER based wrappers for I2C_TRANSFER as well 2016-01-26 10:57:51 -06:00
Gregory Nutt
d4a53ee131 I2C: Eliminate the I2C_WRITEREAD method 2016-01-26 10:26:16 -06:00
Gregory Nutt
67f38169b2 drivers/i2c: Move wrapper that implements I2C_WRITEREAD using I2C_transfer from pc9555.c to a new, comon i2c directory 2016-01-26 09:58:18 -06:00
Gregory Nutt
eac271413f Add more 32-bit math operations; Update ChangeLog 2016-01-25 11:19:25 -06:00
Gregory Nutt
047ed9e543 Add some utilities to support 64-bit math operations on platforms that do not support long long types. Not yet used anywhere 2016-01-25 09:56:00 -06:00
Gregory Nutt
564a1ce606 Cosmetic clean-up of comments 2016-01-24 08:21:55 -06:00
Gregory Nutt
a4a496ad6f spi.h needs to include errno.h now 2016-01-23 19:13:31 -06:00
Gregory Nutt
7edf921c5e Remove CONFIG_SPI_OWNBUS: Now it is not just a good idea, it is the law 2016-01-23 18:54:36 -06:00
Gregory Nutt
accd99db25 Add an optional hwfeatures method to the SPI interface 2016-01-23 15:12:45 -06:00
Gregory Nutt
84d4cb007b clock_systimer: 64-bit timer accesses are not atomic. Noted by Freddie Chopin. 2016-01-22 12:24:36 -06:00
Gregory Nutt
2dcebe1e3d Purely cosmetic changes from review of last commit 2016-01-22 07:11:29 -06:00
Stefan Kolb
2b05f3e830 I/O Expander: Fix some bad macros, make naming consisted 2016-01-22 07:08:59 -06:00
Gregory Nutt
032ad1b70b Remove clock_systimer32 and clock_systimer64. There is now only clock_systimer 2016-01-21 16:49:24 -06:00
Gregory Nutt
7db9a952bc Fix an error in conditional compilation introduced in the last set of changes 2016-01-21 13:42:34 -06:00
Gregory Nutt
f348e68069 Update to use 64-bit timer when available 2016-01-21 11:54:26 -06:00
Gregory Nutt
3a59eb4340 Fix romdisk_register prototype. Most ROMFS images actually lie in RAM. If moved to FLASH with const storage class, then changes are required to avoid warnings 2016-01-20 13:04:07 -06:00
Gregory Nutt
f849116a0b Add implementatino of Tiny Encryption Algorithm 2016-01-19 16:37:45 -06:00
Gregory Nutt
e73ccd6638 Update some comments 2016-01-18 16:27:46 -06:00
Frank Benkert
da33ec6b2e CAN: Add more extensive error reporting information 2016-01-18 12:22:27 -06:00
Gregory Nutt
9844036a74 Merged in paulpatience/nuttx/lsm9ds1 (pull request #48) 
Add LSM9DS1 accelerometer, gyroscope and magnetometer
 2016-01-17 15:06:37 -06:00
Paul A. Patience
57b8a9526d Add LSM9DS1 accelerometer, gyroscope and magnetometer 2016-01-17 16:01:14 -05:00
Gregory Nutt
63301fe213 Cosmetic changes from review of last pull request 2016-01-17 14:52:11 -06:00
Janne Rosberg
fb1bf10a3d add pn532 support 
Signed-off-by: Janne Rosberg <janne.rosberg@offcode.fi>
 2016-01-17 22:17:49 +02:00
Alexander Entinger
75d6c4cee3 drivers/sensors/mcp9844: Driver for the MCP9844 I2C digital temperature sensor with a selectable resolution 2016-01-15 07:25:58 -06:00
Gregory Nutt
0889963b50 resolv.conf: Fix some basic compilation issues. Logic still not complete. 2016-01-14 08:32:20 -06:00
Gregory Nutt
8e9f884eb7 Step 1 in /etc/resolv.conf support 2016-01-13 15:06:44 -06:00
Gregory Nutt
fbb4dcc0af Some networking logic was used helpers from apps/netutils. Not good. Quick fix is to duplicate logic 2016-01-09 15:57:44 -06:00
Gregory Nutt
1ac6ecac87 Changes to last pull request needed for conformance with coding standard 2016-01-09 07:27:22 -06:00
Dimitry Kloper
d219f3a36e Introduce arch-specific debug macro hooks 
Make it possible for arch code to provide hook macros for NuttX dbg
that will lead to arch-specific syslog() and lowsyslog() variants.
 2016-01-09 14:28:12 +02:00
Gregory Nutt
b28bf55fb0 Cosmetic spacing change 2016-01-05 14:52:20 -06:00
Gregory Nutt
670ac9fb2f Fix an ommission in compiler.h 2016-01-05 14:46:49 -06:00
Dimitry Kloper
06438b0dcc Fix 64-bit clock-related constant value evaluation for AVR compiler 
This may be specific for Atmel AVR8 toolchain compiler.
The problem is that despite of being 8-bit architecture
avr-gcc supports uint64_t, but the following code

uint64_t value = 10000 * 1000;

produces a wrong negative value in the final code (tested
both with and without optimization).

The work-around is simple:

uint64_t value = 10000 * 1000L;

The code is a reduced part from sched/signal/sig_timedwait.c where
waitticks64 is calculated using NSEC_PER_TICK. This one is defined
as USEC_PER_TICK * NSEC_PER_USEC which leads to the example above.
 2016-01-05 12:02:02 -06:00
Dimitry Kloper
06d83c6261 Introduce support for Atmel toolchain in-flash strings 
Atmel toolchain AVR compiler provides a transparent in-flash object support using __flash and __memx symbols. The former indicates to compiler that this is a flash-based object.  The later used with pointer indicates that the referenced object may reside either in flash or in RAM. The compiler automatically makes 32-bit pointer with flag indicating whether referenced object is in flash or RAM and generates code to access either in run-time. Thus, any function that accepts __memx object can transparently work with RAM and flash objects.

For platforms with a Harvard architecture and a very small RAM like AVR this allows to move all constant strings used in trace messages to flash in the instruction address space, releasing resources for other things.

This change introduces IOBJ and IPTR type qualifiers.  The 'I' indicates that the object may like in instruction space on a Harvard architecture machine.

For platforms that do not have __flash and __memx or similar symbols IOBJ and IPTR are empty, making the types equivalent to, for example, 'const char' and 'const char*'.  For Atmel compiler these will become 'const __flash char' and 'const __memx char*'.  All printf() functions and syslog() functions are changed so that the qualifier is used with the format parameter.

From: Dimitry Kloper <dikloper@cisco.com>
 2016-01-05 10:29:29 -06:00
Dimitry Kloper
b48ca00cd5 The delay parameter has 'int' type while explicit int32_t is used in sigtimedwait() (sig_timedwait.c) This can lead to wrong argument for systems that have default int size different than int32 (namely AVR). 2016-01-05 07:58:04 -06:00
Gregory Nutt
b1938c065d sys/time.h: Fix timersub macro; time_t is unsigned 2015-12-31 09:05:35 -06:00
Gregory Nutt
c1fff4706c signals: Adds a very limited, minimal implementation for SIGEV_THREAD 2015-12-30 15:01:14 -06:00
Gregory Nutt
849df03d22 Update dates on files modified for SIGEV_THREAD support 2015-12-30 13:28:39 -06:00
Gregory Nutt
9835eeb181 signals: Basic framework to support SIGEV_THREAD 2015-12-30 13:20:31 -06:00
Gregory Nutt
e76e8f41c6 pthread: Correct default schedule policy 2015-12-30 12:18:24 -06:00