Dave Marples
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d0cda60442
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In the current implementation we only use very high priority interrupts (levels 0, 0x10 and 0x20 in CORTEX-M speak) but that means there are loads of lower priority ones that are effectively unused. I have *not* changed the semantics of these levels but have 'shifted' them to be based around the midpoint of the available interrupts (0x80) rather than at the top end....that allows for interrupts to be defined above (or, indeed, below) them as needed by the application. This should have no functional effect on existing code but adds in a clean capability to define higher priority interrupts.
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2018-12-03 17:41:59 -06:00 |
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Wolfgang Reißnegger
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a22dc9b1a8
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SAM3/4: Add support for ATSAM4S4C.
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2017-01-18 11:56:51 -08:00 |
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Gregory Nutt
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83bc1c97c3
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Rename irqsave() and irqrestore() to up_irq_save() and up_irq_restore()
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2016-02-14 16:11:25 -06:00 |
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Gregory Nutt
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fae790a6dc
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Add support for the SAM4CM. From Max Neklyudov
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2014-06-25 08:25:52 -06:00 |
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Gregory Nutt
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fb774d677c
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Add an alternate STM32 I2C driver that works around errata in the F103 chip (and maybe others). From Patrizio Simona
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2014-05-14 07:48:47 -06:00 |
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Gregory Nutt
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697b0d5b61
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correct some columnar alignment and spacing
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2014-05-13 14:14:57 -06:00 |
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Gregory Nutt
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483fcdca03
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SAM3/4: Integrate the SPI DMA interface with the existing code. Does not yet work.
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2014-03-13 15:54:09 -06:00 |
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Gregory Nutt
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05cf59feef
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Fix typo cloned to many files: SAM32 vs SAM34
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2014-02-12 13:00:24 -06:00 |
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Gregory Nutt
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3855ce04e8
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Beginning of high priority nested interrupt support for the ARMv7-M family
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2013-12-21 11:03:38 -06:00 |
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Gregory Nutt
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c615f6e6fd
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Support for the Atmel SAM4E family. From Mitko
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2013-11-11 07:45:09 -06:00 |
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Gregory Nutt
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2ecac742b6
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Flesh out the Arduino Due board configuratino and integrate it with the build and configuration system
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2013-06-27 14:24:27 -06:00 |
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Gregory Nutt
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77b36e0bc1
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Add peripheral configuration logic for the SAM3X/3A; Change all references to SAM3/4 SPI to SPI0 for compatibity with the SAM3X/3A which has SPI0 and SPI1; Add directory which will eventually holdl an Arduino Due port
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2013-06-26 18:46:44 -06:00 |
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Gregory Nutt
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2812f5be67
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Add support for SAM3X and 3A chips, interrupts, and peripheral IDs
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2013-06-26 12:28:32 -06:00 |
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Gregory Nutt
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ea776434ba
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Changes for a clean build of configs/sam4s-xplained
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2013-06-11 17:33:43 -06:00 |
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Gregory Nutt
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3fb47dae74
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SAM4S: GPIO, chip characteristics, peripheral Kconfig
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2013-06-11 12:28:31 -06:00 |
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Gregory Nutt
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77f84ae94d
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Add a skeleton configuration that will eventually support the SAM4L Xplained Pro board
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2013-06-03 15:11:56 -06:00 |
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Gregory Nutt
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9e8ed732da
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Add vector and chip cability definitions for the SAM4L family
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2013-06-03 11:23:41 -06:00 |
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Gregory Nutt
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e9859095dc
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Rename sam3u/ architecture directories to sam34/ to include the SAM4L
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2013-06-02 13:57:22 -06:00 |
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