Gregory Nutt
790d53bb06
SAM3/4 Serial: In NONBLOCKING mode serial does not receive bytes from UART. This happens because RX interrupt was disabled in the setup routine. To fix this I save interrupt configuration before uart shutdown and restore it after. From Max Neklyudov.
2015-05-21 07:06:47 -06:00
Gregory Nutt
a93913c0f4
SAMA5 Serial: Reading IMR and disabling interrupt must be atomic
2015-04-08 15:27:31 -06:00
Gregory Nutt
35312b31f9
SAM3/4 and SAMV7 UART: The IMR register is read-only. This means that sam_restoreints() does not actually re-enable UART interrupts.
2015-04-08 15:04:10 -06:00
Gregory Nutt
27bb133294
SAM3/4 and SAMV7 Serial: Serial interrupts left disabled.
...
A side-effect of changing serial settings via TERMIOS (such as tcsetattr) is that serial interrupts were being left disabled. This is not a problem if the serial configuration is changed when there are no open references to the serial device. In that case, serial interrupts are disabled and will not be enabled enabled until the serial device is first opened. But it is fatal if the serial device is already opened and if there is a task waiting to receive data. In that case, the side-effect of disabling interrupts is fatal: That task is then left hanging with interrupts disabled.
2015-04-08 14:14:01 -06:00
Gregory Nutt
8d31651a1b
Bringing PPPD yet closer to the NuttX coding style
2015-03-11 18:47:04 -06:00
Gregory Nutt
0eaa74962c
Costmetic changes -- spacing, comments.
2014-10-30 16:33:40 -06:00
Gregory Nutt
05c1d9707d
SAM3/4: Fix error serial TERMIOS ioctl handling
2014-10-30 12:23:15 -06:00
Gregory Nutt
11ab9c908e
Add support for SAM3/4 basic TERMIOS and flow control. There are issues with IFLOW control: PDC or DMAC support is required
2014-10-29 15:47:15 -06:00
Gregory Nutt
4098d8c4a2
SAM4: Fix a usbnsh build problem that has crept into all serial drivers
2014-10-28 15:44:47 -06:00
Gregory Nutt
6455f60c60
Remove os_internal.h it has been replace by several new header files under sched/. There have been some sneak inclusion paths via os_internal.h, so expect a few compilation errors for some architectures
2014-08-08 18:39:28 -06:00
Gregory Nutt
fae790a6dc
Add support for the SAM4CM. From Max Neklyudov
2014-06-25 08:25:52 -06:00
Gregory Nutt
af2bb81ac2
Add serial method so that lower half driver can provide RX flow control information. From Jussi Kivilinna
2014-05-08 09:00:33 -06:00
Gregory Nutt
f52ff8cf7b
SAM3/4: Add watchdog timer support. From Bob Doisin
2014-04-21 19:10:06 -06:00
Gregory Nutt
8f7d58c011
Eliminate some warnings
2014-03-26 16:31:26 -06:00
Gregory Nutt
99f9239a00
SAM3/4 Serial: Fix a mysterious multi-tasking bug that can lock up the serial port
2014-03-25 12:44:03 -06:00
Gregory Nutt
8e6bfea5aa
SAM4E: Various bring-up fixes. NSH now works
2014-03-12 10:59:19 -06:00
Gregory Nutt
3d12bc9830
SAM3/4: Fix some build errors that crept in with the SAM4E support
2014-02-25 12:41:38 -06:00
Gregory Nutt
07ae9d60e0
SAM4E: USART/USART header files and drivers updated to support the SAM4E
2014-02-22 13:46:23 -06:00
Gregory Nutt
4bbe259082
SAM3/4 serial: Same supersitituous change as for SAMA5
2013-10-26 16:17:07 -06:00
Gregory Nutt
3910edbf90
Review and update of SAM3/4 header files and conditional logic for SAM3X/A support
2013-06-27 11:06:13 -06:00
Gregory Nutt
2bce348e0f
SAM3/4: Some minor design improvements to the SAM3/4 serial driver
2013-06-13 15:16:52 -06:00
Gregory Nutt
e6a3078b77
Add support for a generic windows-based EABI toolchain; Add NX configuration to force default NXTK border colors
2013-06-13 11:04:18 -06:00
Gregory Nutt
ea776434ba
Changes for a clean build of configs/sam4s-xplained
2013-06-11 17:33:43 -06:00
Gregory Nutt
1b57fdd7dd
SAM4S: Add macros to manage peripheral clocks
2013-06-11 15:42:30 -06:00
Gregory Nutt
93ee6cb291
SAM4S: Add pin multiplexing definitions
2013-06-11 14:32:07 -06:00
Gregory Nutt
6576156731
SAM4S: Add memory map and interrupt logic
2013-06-10 16:18:47 -06:00
Gregory Nutt
617a0225cc
SAM4L: Extend interrupt support for the larger number of NVIC interrupts of the SAM4L
2013-06-09 13:00:38 -06:00
Gregory Nutt
bae87a0ea1
SAM4L: Mic fixes to get the SAM4L Xplained running. The ostest now passes.
2013-06-09 10:57:42 -06:00
Gregory Nutt
91d6ebfa0e
SAM3U/4L changes to hide differences by clocking in those MCUs
2013-06-08 13:50:42 -06:00
Gregory Nutt
04d573e3a8
SAM4L: Add USART/UART register definition header files
2013-06-08 11:39:06 -06:00
Gregory Nutt
e9859095dc
Rename sam3u/ architecture directories to sam34/ to include the SAM4L
2013-06-02 13:57:22 -06:00
