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* Large reorganization.Josh Rahm2020-11-22
| | | | | | | | | | | | | | | | | | | | | | What was in core/ is now moved to arch/stm34l4xxx/peripherals. This new directory is *supposed to* to contain raw header files defining just the pertinent register structures for the various peripherals. Peripheral management belongs somewhere in the new `kern/..` directories. This is not completely the case at the moment, so more refactoring needs to be done. What was sitting in the root has now been moved into the kern/ directory. The kern/ directory is to contain everything else other than raw device register definitions. The root of the kern/ tree is reserved for standard library-esque headers. The kern/<peripheral> directory contains management systems for that peripheral. (At the moment DMA is the only peripheral with a decent management system.) Preferably these peripheral systems should only include their correlating header in arch/stm34l4xxx/peripherals, and use other management systems for handling other peripherals rather than manipulating their raw registers directly. (Though this ideal will require much more critical mass of management systems.)
* Fix mem.c to use the address of DATA_SEGMENT_START instead of the valueJosh Rahm2020-11-21
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* Implemented DMA abstraction in the peri/dma.c source file.Josh Rahm2020-11-21
| | | | | This abstraction makes it much more intuitive to use the DMA features on the STM32L4 boards.
* Finally got a peripheral interrupt!Josh Rahm2020-11-20
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* Added NVIC definitionJosh Rahm2020-11-20
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* Change the SCB to use regset() macros.Josh Rahm2020-11-19
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* change rcc & usart to use the regtest() macros and.Josh Rahm2020-11-19
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* Reorganize some file. Put thte core register libraries in a core/Josh Rahm2020-11-18
| | | | subdirectory.
* A basic blink program that works off of interrupts.Josh Rahm2020-11-18
| | | | | | | | | | | - The init() function renamed to on_reset() - on_reset() now responsible for tight-looping at the end - on_reset() now set the VTable offset to the base of the FLASH - included exhaustive list of irqs in isrs.i - interrupt routines by default flash a code indicating their isr number. - interrupt routines are weak-linked allowing the programmer to override them at-will.
* Got the DMA to send a simple message through UART2.Josh Rahm2020-11-16
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* Update the genmake script for tests.Josh Rahm2020-11-16
| | | | | | | | Update the genmake script to do the following: - Fix bug to link the object files from the source. - Test build output goes into a build/ directory. - Test makefile rules now run the test after building.
* Add DMA header file which defines the DMA registers and addJosh Rahm2020-11-16
| | | | | testing_harness with fake environment to allow testing on x86 development machines.
* rename folders to give notion of progressionJosh Rahm2018-01-23