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mbed library sources. Supersedes mbed-src.
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common/InterruptManager.cpp@107:414e9c822e99, 2016-04-05 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Apr 05 18:15:12 2016 +0100
- Revision:
- 107:414e9c822e99
- Parent:
- 0:9b334a45a8ff
- Child:
- 144:ef7eb2e8f9f7
Synchronized with git revision dd3c5f7fa8473776950ec6e15c0e4adedb21cf2f
Full URL: https://github.com/mbedmicro/mbed/commit/dd3c5f7fa8473776950ec6e15c0e4adedb21cf2f/
* * Base Commit for SAMG55J19. No errors and no implementations.
* * Added gpio files.
* * Added pinmap files.
* * Base commit for usticker implementation.
* * Added gcc_arm export functionality
* * added files for usticker.
* added template file for samd55j19
* * GPIO IRQ base commit.
* * updated with changes in gpio irq driver.
* * Reverted back unexpected commit in SAM0 gpio driver.
* * updated gpio_irq driver.
* * correction in gpio and gpio_irq drivers.
* added support for some test for gpio.
* * base commit for peripheralpins for usart.
* update in serial apis.
* * updated serial apis.
* * updated serial apis and test.
* * update serial apis for asynch apis.
* * updated peripheral pins for i2c and spi.
* added test support for serial flow control
* * Base commit for low power ticker implementation.
* * base commit for port apis.
* update in lp ticker apis.
* * Added test support for port.
* * base commit for sleep apis.
* * Base commit for spi.
* * updated with corrections in gpio irq.
* usticker file updated with latest source.
* * updated with corrections for unexpected board reset.
* updated gpio irq apis and added test for the same.
* * updated sleep api for deepsleep.
* * updated serial apis.
* Added uc_ticker and SPI api implementations
* Removed unused SPI pin map
* Updated review feedback
* * implemented lpticker with TC module.
* updated files for KnR Coding Statndard.
* updated serial and usticker apis.
* * Base commit for AnalogueIn apis.
* * RTC apis base commit without implementation.
* * Updated with corrections in lpticker implementations.
* * Added implementation for rtc apis.
* * updated with implementations for pwm.
* changed usticker from TC0 to TC1.
* Added I2C support
* * removed setvector usage from usticker and lpticker implementations
* added tests for SAMG55J19
* * Removed unwanted .o and .d files.
* Updated I2C files for KnR Coding Standards.
* Update for reducing compiler warnings in peripheralpins,c
* Updated with PWM free implementation.
* * Removed unwanted headers file inclusion.
* Compiler warning corrections in serial_api.c
* * Updated ADC with 16 bit mode initialization and code refinements.
* Updated PWM with code refinements.
* Updated I2C review feedback and fixed style
* Updated target name for SAMG55
* * Added Test Support for I2C with AT30TSE75X and Added Support for SAMG55J19 in atmelstudio project exporter
* * Added Test Support for I2C with AT30TSE75X and Added Support for SAMG55J19 in atmelstudio project exporter
* Used NVIC_SetVector for interrupt callback
* Removed Target macro define in test
* Updated test cases to have SAMG55 support
* * Updated with corrections in Serial and SPI asynchronous implementations.
* Updated deepsleep api implementation
* Merged LP_Ticker with latest code from mbed 3.0 repository.
* * updated with corrections in I2C Asynch implementation.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bogdanm | 0:9b334a45a8ff | 1 | #include "cmsis.h" |
| bogdanm | 0:9b334a45a8ff | 2 | #if defined(NVIC_NUM_VECTORS) |
| bogdanm | 0:9b334a45a8ff | 3 | |
| bogdanm | 0:9b334a45a8ff | 4 | #include "InterruptManager.h" |
| bogdanm | 0:9b334a45a8ff | 5 | #include <string.h> |
| bogdanm | 0:9b334a45a8ff | 6 | |
| bogdanm | 0:9b334a45a8ff | 7 | #define CHAIN_INITIAL_SIZE 4 |
| bogdanm | 0:9b334a45a8ff | 8 | |
| bogdanm | 0:9b334a45a8ff | 9 | namespace mbed { |
| bogdanm | 0:9b334a45a8ff | 10 | |
| bogdanm | 0:9b334a45a8ff | 11 | typedef void (*pvoidf)(void); |
| bogdanm | 0:9b334a45a8ff | 12 | |
| bogdanm | 0:9b334a45a8ff | 13 | InterruptManager* InterruptManager::_instance = (InterruptManager*)NULL; |
| bogdanm | 0:9b334a45a8ff | 14 | |
| bogdanm | 0:9b334a45a8ff | 15 | InterruptManager* InterruptManager::get() { |
| bogdanm | 0:9b334a45a8ff | 16 | if (NULL == _instance) |
| bogdanm | 0:9b334a45a8ff | 17 | _instance = new InterruptManager(); |
| bogdanm | 0:9b334a45a8ff | 18 | return _instance; |
| bogdanm | 0:9b334a45a8ff | 19 | } |
| bogdanm | 0:9b334a45a8ff | 20 | |
| bogdanm | 0:9b334a45a8ff | 21 | InterruptManager::InterruptManager() { |
| bogdanm | 0:9b334a45a8ff | 22 | memset(_chains, 0, NVIC_NUM_VECTORS * sizeof(CallChain*)); |
| bogdanm | 0:9b334a45a8ff | 23 | } |
| bogdanm | 0:9b334a45a8ff | 24 | |
| bogdanm | 0:9b334a45a8ff | 25 | void InterruptManager::destroy() { |
| bogdanm | 0:9b334a45a8ff | 26 | // Not a good idea to call this unless NO interrupt at all |
| bogdanm | 0:9b334a45a8ff | 27 | // is under the control of the handler; otherwise, a system crash |
| bogdanm | 0:9b334a45a8ff | 28 | // is very likely to occur |
| bogdanm | 0:9b334a45a8ff | 29 | if (NULL != _instance) { |
| bogdanm | 0:9b334a45a8ff | 30 | delete _instance; |
| bogdanm | 0:9b334a45a8ff | 31 | _instance = (InterruptManager*)NULL; |
| bogdanm | 0:9b334a45a8ff | 32 | } |
| bogdanm | 0:9b334a45a8ff | 33 | } |
| bogdanm | 0:9b334a45a8ff | 34 | |
| bogdanm | 0:9b334a45a8ff | 35 | InterruptManager::~InterruptManager() { |
| bogdanm | 0:9b334a45a8ff | 36 | for(int i = 0; i < NVIC_NUM_VECTORS; i++) |
| bogdanm | 0:9b334a45a8ff | 37 | if (NULL != _chains[i]) |
| bogdanm | 0:9b334a45a8ff | 38 | delete _chains[i]; |
| bogdanm | 0:9b334a45a8ff | 39 | } |
| bogdanm | 0:9b334a45a8ff | 40 | |
| bogdanm | 0:9b334a45a8ff | 41 | bool InterruptManager::must_replace_vector(IRQn_Type irq) { |
| bogdanm | 0:9b334a45a8ff | 42 | int irq_pos = get_irq_index(irq); |
| bogdanm | 0:9b334a45a8ff | 43 | |
| bogdanm | 0:9b334a45a8ff | 44 | if (NULL == _chains[irq_pos]) { |
| bogdanm | 0:9b334a45a8ff | 45 | _chains[irq_pos] = new CallChain(CHAIN_INITIAL_SIZE); |
| bogdanm | 0:9b334a45a8ff | 46 | _chains[irq_pos]->add((pvoidf)NVIC_GetVector(irq)); |
| bogdanm | 0:9b334a45a8ff | 47 | return true; |
| bogdanm | 0:9b334a45a8ff | 48 | } |
| bogdanm | 0:9b334a45a8ff | 49 | return false; |
| bogdanm | 0:9b334a45a8ff | 50 | } |
| bogdanm | 0:9b334a45a8ff | 51 | |
| bogdanm | 0:9b334a45a8ff | 52 | pFunctionPointer_t InterruptManager::add_common(void (*function)(void), IRQn_Type irq, bool front) { |
| bogdanm | 0:9b334a45a8ff | 53 | int irq_pos = get_irq_index(irq); |
| bogdanm | 0:9b334a45a8ff | 54 | bool change = must_replace_vector(irq); |
| bogdanm | 0:9b334a45a8ff | 55 | |
| bogdanm | 0:9b334a45a8ff | 56 | pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(function) : _chains[irq_pos]->add(function); |
| bogdanm | 0:9b334a45a8ff | 57 | if (change) |
| bogdanm | 0:9b334a45a8ff | 58 | NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper); |
| bogdanm | 0:9b334a45a8ff | 59 | return pf; |
| bogdanm | 0:9b334a45a8ff | 60 | } |
| bogdanm | 0:9b334a45a8ff | 61 | |
| bogdanm | 0:9b334a45a8ff | 62 | bool InterruptManager::remove_handler(pFunctionPointer_t handler, IRQn_Type irq) { |
| bogdanm | 0:9b334a45a8ff | 63 | int irq_pos = get_irq_index(irq); |
| bogdanm | 0:9b334a45a8ff | 64 | |
| bogdanm | 0:9b334a45a8ff | 65 | if (NULL == _chains[irq_pos]) |
| bogdanm | 0:9b334a45a8ff | 66 | return false; |
| bogdanm | 0:9b334a45a8ff | 67 | if (!_chains[irq_pos]->remove(handler)) |
| bogdanm | 0:9b334a45a8ff | 68 | return false; |
| bogdanm | 0:9b334a45a8ff | 69 | // If there's a single function left in the chain, swith the interrupt vector |
| bogdanm | 0:9b334a45a8ff | 70 | // to call that function directly. This way we save both time and space. |
| bogdanm | 0:9b334a45a8ff | 71 | if (_chains[irq_pos]->size() == 1 && NULL != _chains[irq_pos]->get(0)->get_function()) { |
| bogdanm | 0:9b334a45a8ff | 72 | NVIC_SetVector(irq, (uint32_t)_chains[irq_pos]->get(0)->get_function()); |
| bogdanm | 0:9b334a45a8ff | 73 | delete _chains[irq_pos]; |
| bogdanm | 0:9b334a45a8ff | 74 | _chains[irq_pos] = (CallChain*) NULL; |
| bogdanm | 0:9b334a45a8ff | 75 | } |
| bogdanm | 0:9b334a45a8ff | 76 | return true; |
| bogdanm | 0:9b334a45a8ff | 77 | } |
| bogdanm | 0:9b334a45a8ff | 78 | |
| bogdanm | 0:9b334a45a8ff | 79 | void InterruptManager::irq_helper() { |
| bogdanm | 0:9b334a45a8ff | 80 | _chains[__get_IPSR()]->call(); |
| bogdanm | 0:9b334a45a8ff | 81 | } |
| bogdanm | 0:9b334a45a8ff | 82 | |
| bogdanm | 0:9b334a45a8ff | 83 | int InterruptManager::get_irq_index(IRQn_Type irq) { |
| bogdanm | 0:9b334a45a8ff | 84 | return (int)irq + NVIC_USER_IRQ_OFFSET; |
| bogdanm | 0:9b334a45a8ff | 85 | } |
| bogdanm | 0:9b334a45a8ff | 86 | |
| bogdanm | 0:9b334a45a8ff | 87 | void InterruptManager::static_irq_helper() { |
| bogdanm | 0:9b334a45a8ff | 88 | InterruptManager::get()->irq_helper(); |
| bogdanm | 0:9b334a45a8ff | 89 | } |
| bogdanm | 0:9b334a45a8ff | 90 | |
| bogdanm | 0:9b334a45a8ff | 91 | } // namespace mbed |
| bogdanm | 0:9b334a45a8ff | 92 | |
| bogdanm | 0:9b334a45a8ff | 93 | #endif |