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* Reduced the use of volatiles to speed up rb_insert() and rb_remove().Michael Hope2010-10-101-15/+15
| | | | Added support for non-power-of-two ring buffers.
* Changed the ring_buffer indexes to uint16 to cut memory usage and increase ↵Michael Hope2010-10-101-5/+5
| | | | capacity. Sorted struct members by size to improve the packing.
* Mark head and tail as volatile as a ring buffer works accross ↵Michael Hope2010-10-101-3/+17
| | | | threads/interrupts. Add comments.
* Make rcc.h C++ safeMichael Hope2010-10-101-0/+7
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* Change the systick handler to the CMSIS compliant SysTick_HandlerMichael Hope2010-10-101-1/+1
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* Make systick.h C++ safe. Expose the sys tick count via systick.h and remove ↵Michael Hope2010-10-102-6/+8
| | | | other externs.
* Merge remote branch 'upstream/master'Michael Hope2010-09-2933-1103/+1056
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| * added notes/coding_standard.txt, more cleanupsMarti Bolivar2010-09-271-1/+1
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| * whitespace cleanupsMarti Bolivar2010-09-2731-892/+905
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| * Enable external interrupts on all Maple GPIOs.Perry Hung2010-09-224-177/+111
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Extend the wirish attachInterrupt() and detachInterrupt() interface to work with all GPIOs. Note: The STM32 external interrupt lines are multiplexed between GPIO ports. While any GPIO can be used as an external interrupt, not all of them can be used at the same time. Each EXTI[n] line selects between PA[n], PB[n], PC[n], etc. For example, line EXTI5 can be used with STM32 pins PA5, PB5, or PC5, but not all at the same time. See table: EXTI Line Maple Pin STM32 Pin 0 D2 PA0 0 D27 PB0 0 D15 PC0 1 D3 PA1 1 D28 PB1 1 D16 PC1 2 D1 PA2 2 D17 PC2 2 D25 PD2 3 D0 PA3 3 D18 PC3 4 D10 PA4 4 D19 PC4 5 D13 PA5 5 D4 PB5 5 D20 PC5 6 D12 PA6 6 D5 PB6 6 D35 PC6 7 D11 PA7 7 D9 PB7 7 D36 PC7 8 D6 PA8 8 D14 PB8 8 D37 PC8 9 D7 PA9 9 D24 PB9 9 D38 PC9 (BUT) 10 D8 PA10 10 D29 PB10 10 D26 PC10 11 D30 PB11 12 D31 PB12 13 D32 PB13 13 D21 PC13 14 D33 PB14 14 D22 PC14 15 D34 PB15 15 D23 PC15
| * Fix improper interrupt clearingPerry Hung2010-09-221-14/+4
| | | | | | | | | | | | | | Interrupts should be cleared by writing to the interrupt clear-enable register (ICER). This commit fixes an improper read-modify-write on NVIC_ICER[n] that incorrectly cleared interrupt-enable bits on non-designated channels.
| * minor bugfix to BIT definitionMarti Bolivar2010-09-211-2/+2
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| * Add MIT license on exc.SPerry Hung2010-09-171-1/+24
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| * Forgot to add exc.SPerry Hung2010-09-171-0/+38
| | | | | | | | whoops.
| * Enable USB auto-reset in a hard fault.Perry Hung2010-09-174-87/+39
| | | | | | | | | | | | | | | | Redirect thread-mode execution to a fail routine which throbs the LED to indicate a hard fault. Because the fail routine runs in thread mode with interrupts on, USB auto-reset should now work. Test by executing some bogus instruction (e.g. *(volatile int*)0xf34fdaa = 0;) and check that the auto-reset continues to work.
| * Check different set of flags for SPI master transmitPerry Hung2010-09-141-7/+10
| | | | | | | | | | Tested on wishield, would like some more testing if anybody has more things that speak spi
| * Fix enable/disable global irqPerry Hung2010-09-141-2/+2
| | | | | | | | Oooooops.
* | Fixed up the build due to a missing header file.Michael Hope2010-09-291-4/+4
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* bugfix MAPLE_RELOAD_VAL, whitespace fixesMarti Bolivar2010-09-131-7/+3
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* systick testing and simplificationbnewbold2010-09-052-0/+8
| | | | | | ripped out marti's SystemTick for the sake of simplicity and added a systick_resume function to libmaple. new example program demonstrates the functionality, also demonstrates micros()/USB bug
* timer fixes for maple nativebnewbold2010-09-052-2/+18
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* debug verbosity levelsbnewbold2010-09-053-10/+31
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* timer refactor (c, not c++)bnewbold2010-09-052-371/+187
| | | | also removed an old ASSERT()
* added 'unused' attribs and reset default targetbnewbold2010-09-021-3/+4
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* Various fixes, working with Maplebnewbold2010-09-0126-139/+742
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| * Portability fixesbnewbold2010-08-315-27/+23
| | | | | | | | Still not working but fixed a lot of merge errors
| * Merge maple-native changes into portablebnewbold2010-08-3128-559/+704
| |\ | | | | | | | | | This compiles for both maple and maple_native but is untested.
| | * Further wirish portability progressbnewbold2010-08-314-10/+55
| | | | | | | | | | | | Sort of ugly changes. Compiles but untested.
| | * Partial progress on wirish portabilitybnewbold2010-08-311-3/+6
| | | | | | | | | | | | | | | This version throws "defined but unused" warnings which could probably be squashed with #pragma
| | * MCU-specific, not BOARD-specificbnewbold2010-08-312-91/+49
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| | * inital portability workbnewbold2010-08-2521-115/+311
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| * | FSMC tweaksbnewbold2010-08-071-0/+3
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| * | basic working dac implementationbnewbold2010-08-074-0/+179
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| * | Partially working!bnewbold2010-08-052-11/+15
| | | | | | | | | | | | | | | Documented; see ./notes/fsmc.txt. Not yet integrated into .ld scripts or fully tested
| * | partial progress on FSMC for SRAMbnewbold2010-08-059-14/+246
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| * | Some refactoringbnewbold2010-08-056-144/+183
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* | | added support to enable/disable systick in wirishMarti Bolivar2010-08-312-0/+7
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* | Switch spi to use new rcc interfacePerry Hung2010-08-043-2/+6
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* | Cleaned up wirish/time, some interrupt handling refactoring:Perry Hung2010-08-047-61/+42
| | | | | | | | | | | | | | | | | | Fixed millis(), it was just wrong, before. Added micros(), not extensively tested. New implementation of delayMicroseconds(). Should be more consistent now. Added a handful of nvic routines to enable/disable interrupts. Cleaned up systick
* | Turn off MAPLE_DEBUG by default.Perry Hung2010-08-041-1/+1
| | | | | | | | | | Save space on debug strings, performance. Perhaps we should consider some form of user-facing assert.
* | New usart implementation:Perry Hung2010-08-045-252/+186
| | | | | | | | | | | | Fixed a bug where the maximum baud rate was incorrectly set to 225000 General cleanup Use new rcc and nvic APIs
* | New reset and clock control apiPerry Hung2010-08-046-199/+259
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* | Basic flash peripheral management api for board bringupPerry Hung2010-08-043-28/+46
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* rename clock selection registerbnewbold2010-07-242-4/+4
| | | | | | | This is just a change of macro name with zero impact on the actual binary. Looking at page 87/1003 of the STM reference manual, bits [0:1] are the SW register which is modifiable by software, while [2:3] are SWS and are set only by hardware.
* added isConnected() to serialusbbnewbold2010-07-222-0/+10
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* sigh, simple typobnewbold2010-07-201-1/+1
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* bug fix with interrupts not getting clearedbnewbold2010-07-202-5/+55
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* timers progressbnewbold2010-07-201-12/+45
| | | | examples code cleanup, more descriptive comments, more notes
* good quality vga leaf logo; usb+systick disabledbnewbold2010-07-203-34/+404
| | | | | refactored timers and added interrupt behavior. see notes and comments... also includes a crude vga hack that doesn't use timers.
* working serialUSB with timeoutbnewbold2010-07-192-0/+7
| | | | | | | | | | | as a temporary workaround for the fact that SerialUSB is often blocking, this crude implementation makes the low-level C usbSendBytes function non-blocking (with a return code of bytes sent) and implements a 2ms timeout in the wirish write() function. also adds begin(), end(), getDTR(), getRTS(), pending(). device is still initialized the old fashioned way during init() so that, eg, autoreset will work. includes a simple multi-test program.
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