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targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/tc/tc_interrupt.h@15:a81a8d6c1dfe, 2015-11-04 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Nov 04 16:30:11 2015 +0000
- Revision:
- 15:a81a8d6c1dfe
Synchronized with git revision 46af745ef4405614c3fa49abbd9a706a362ea514
Full URL: https://github.com/mbedmicro/mbed/commit/46af745ef4405614c3fa49abbd9a706a362ea514/
Renamed TARGET_SAM_CortexM0+ to TARGET_SAM_CortexM0P for compatiblity with online compiler
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 15:a81a8d6c1dfe | 1 | /** |
mbed_official | 15:a81a8d6c1dfe | 2 | * \file |
mbed_official | 15:a81a8d6c1dfe | 3 | * |
mbed_official | 15:a81a8d6c1dfe | 4 | * \brief SAM TC - Timer Counter Callback Driver |
mbed_official | 15:a81a8d6c1dfe | 5 | * |
mbed_official | 15:a81a8d6c1dfe | 6 | * Copyright (C) 2013-2015 Atmel Corporation. All rights reserved. |
mbed_official | 15:a81a8d6c1dfe | 7 | * |
mbed_official | 15:a81a8d6c1dfe | 8 | * \asf_license_start |
mbed_official | 15:a81a8d6c1dfe | 9 | * |
mbed_official | 15:a81a8d6c1dfe | 10 | * \page License |
mbed_official | 15:a81a8d6c1dfe | 11 | * |
mbed_official | 15:a81a8d6c1dfe | 12 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 15:a81a8d6c1dfe | 13 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 15:a81a8d6c1dfe | 14 | * |
mbed_official | 15:a81a8d6c1dfe | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 15:a81a8d6c1dfe | 16 | * this list of conditions and the following disclaimer. |
mbed_official | 15:a81a8d6c1dfe | 17 | * |
mbed_official | 15:a81a8d6c1dfe | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 15:a81a8d6c1dfe | 19 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 15:a81a8d6c1dfe | 20 | * and/or other materials provided with the distribution. |
mbed_official | 15:a81a8d6c1dfe | 21 | * |
mbed_official | 15:a81a8d6c1dfe | 22 | * 3. The name of Atmel may not be used to endorse or promote products derived |
mbed_official | 15:a81a8d6c1dfe | 23 | * from this software without specific prior written permission. |
mbed_official | 15:a81a8d6c1dfe | 24 | * |
mbed_official | 15:a81a8d6c1dfe | 25 | * 4. This software may only be redistributed and used in connection with an |
mbed_official | 15:a81a8d6c1dfe | 26 | * Atmel microcontroller product. |
mbed_official | 15:a81a8d6c1dfe | 27 | * |
mbed_official | 15:a81a8d6c1dfe | 28 | * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED |
mbed_official | 15:a81a8d6c1dfe | 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
mbed_official | 15:a81a8d6c1dfe | 30 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
mbed_official | 15:a81a8d6c1dfe | 31 | * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR |
mbed_official | 15:a81a8d6c1dfe | 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 15:a81a8d6c1dfe | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
mbed_official | 15:a81a8d6c1dfe | 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
mbed_official | 15:a81a8d6c1dfe | 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
mbed_official | 15:a81a8d6c1dfe | 36 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
mbed_official | 15:a81a8d6c1dfe | 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
mbed_official | 15:a81a8d6c1dfe | 38 | * POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 15:a81a8d6c1dfe | 39 | * |
mbed_official | 15:a81a8d6c1dfe | 40 | * \asf_license_stop |
mbed_official | 15:a81a8d6c1dfe | 41 | * |
mbed_official | 15:a81a8d6c1dfe | 42 | */ |
mbed_official | 15:a81a8d6c1dfe | 43 | |
mbed_official | 15:a81a8d6c1dfe | 44 | /* |
mbed_official | 15:a81a8d6c1dfe | 45 | * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> |
mbed_official | 15:a81a8d6c1dfe | 46 | */ |
mbed_official | 15:a81a8d6c1dfe | 47 | |
mbed_official | 15:a81a8d6c1dfe | 48 | #ifndef TC_INTERRUPT_H_INCLUDED |
mbed_official | 15:a81a8d6c1dfe | 49 | #define TC_INTERRUPT_H_INCLUDED |
mbed_official | 15:a81a8d6c1dfe | 50 | |
mbed_official | 15:a81a8d6c1dfe | 51 | #include "tc.h" |
mbed_official | 15:a81a8d6c1dfe | 52 | #include <system_interrupt.h> |
mbed_official | 15:a81a8d6c1dfe | 53 | |
mbed_official | 15:a81a8d6c1dfe | 54 | #ifdef __cplusplus |
mbed_official | 15:a81a8d6c1dfe | 55 | extern "C" { |
mbed_official | 15:a81a8d6c1dfe | 56 | #endif |
mbed_official | 15:a81a8d6c1dfe | 57 | |
mbed_official | 15:a81a8d6c1dfe | 58 | #if !defined(__DOXYGEN__) |
mbed_official | 15:a81a8d6c1dfe | 59 | extern void *_tc_instances[TC_INST_NUM]; |
mbed_official | 15:a81a8d6c1dfe | 60 | |
mbed_official | 15:a81a8d6c1dfe | 61 | # define _TC_INTERRUPT_VECT_NUM(n, unused) \ |
mbed_official | 15:a81a8d6c1dfe | 62 | SYSTEM_INTERRUPT_MODULE_TC##n, |
mbed_official | 15:a81a8d6c1dfe | 63 | /** |
mbed_official | 15:a81a8d6c1dfe | 64 | * \internal Get the interrupt vector for the given device instance |
mbed_official | 15:a81a8d6c1dfe | 65 | * |
mbed_official | 15:a81a8d6c1dfe | 66 | * \param[in] TC module instance number. |
mbed_official | 15:a81a8d6c1dfe | 67 | * |
mbed_official | 15:a81a8d6c1dfe | 68 | * \return Interrupt vector for of the given TC module instance. |
mbed_official | 15:a81a8d6c1dfe | 69 | */ |
mbed_official | 15:a81a8d6c1dfe | 70 | static enum system_interrupt_vector _tc_interrupt_get_interrupt_vector( |
mbed_official | 15:a81a8d6c1dfe | 71 | uint32_t inst_num) |
mbed_official | 15:a81a8d6c1dfe | 72 | { |
mbed_official | 15:a81a8d6c1dfe | 73 | static uint8_t tc_interrupt_vectors[TC_INST_NUM] = { |
mbed_official | 15:a81a8d6c1dfe | 74 | #if (SAML21E) || (SAML21G) |
mbed_official | 15:a81a8d6c1dfe | 75 | SYSTEM_INTERRUPT_MODULE_TC0, |
mbed_official | 15:a81a8d6c1dfe | 76 | SYSTEM_INTERRUPT_MODULE_TC1, |
mbed_official | 15:a81a8d6c1dfe | 77 | SYSTEM_INTERRUPT_MODULE_TC4 |
mbed_official | 15:a81a8d6c1dfe | 78 | #else |
mbed_official | 15:a81a8d6c1dfe | 79 | MRECURSION(TC_INST_NUM, _TC_INTERRUPT_VECT_NUM, TC_INST_MAX_ID) |
mbed_official | 15:a81a8d6c1dfe | 80 | #endif |
mbed_official | 15:a81a8d6c1dfe | 81 | }; |
mbed_official | 15:a81a8d6c1dfe | 82 | |
mbed_official | 15:a81a8d6c1dfe | 83 | return (enum system_interrupt_vector)tc_interrupt_vectors[inst_num]; |
mbed_official | 15:a81a8d6c1dfe | 84 | } |
mbed_official | 15:a81a8d6c1dfe | 85 | #endif /* !defined(__DOXYGEN__) */ |
mbed_official | 15:a81a8d6c1dfe | 86 | |
mbed_official | 15:a81a8d6c1dfe | 87 | /** |
mbed_official | 15:a81a8d6c1dfe | 88 | * \name Callback Management |
mbed_official | 15:a81a8d6c1dfe | 89 | * {@ |
mbed_official | 15:a81a8d6c1dfe | 90 | */ |
mbed_official | 15:a81a8d6c1dfe | 91 | |
mbed_official | 15:a81a8d6c1dfe | 92 | enum status_code tc_register_callback( |
mbed_official | 15:a81a8d6c1dfe | 93 | struct tc_module *const module, |
mbed_official | 15:a81a8d6c1dfe | 94 | tc_callback_t callback_func, |
mbed_official | 15:a81a8d6c1dfe | 95 | const enum tc_callback callback_type); |
mbed_official | 15:a81a8d6c1dfe | 96 | |
mbed_official | 15:a81a8d6c1dfe | 97 | enum status_code tc_unregister_callback( |
mbed_official | 15:a81a8d6c1dfe | 98 | struct tc_module *const module, |
mbed_official | 15:a81a8d6c1dfe | 99 | const enum tc_callback callback_type); |
mbed_official | 15:a81a8d6c1dfe | 100 | |
mbed_official | 15:a81a8d6c1dfe | 101 | /** |
mbed_official | 15:a81a8d6c1dfe | 102 | * \brief Enables callback. |
mbed_official | 15:a81a8d6c1dfe | 103 | * |
mbed_official | 15:a81a8d6c1dfe | 104 | * Enables the callback function registered by the \ref |
mbed_official | 15:a81a8d6c1dfe | 105 | * tc_register_callback. The callback function will be called from the |
mbed_official | 15:a81a8d6c1dfe | 106 | * interrupt handler when the conditions for the callback type are |
mbed_official | 15:a81a8d6c1dfe | 107 | * met. This function will also enable the appropriate interrupts. |
mbed_official | 15:a81a8d6c1dfe | 108 | * |
mbed_official | 15:a81a8d6c1dfe | 109 | * \param[in] module Pointer to TC software instance struct |
mbed_official | 15:a81a8d6c1dfe | 110 | * \param[in] callback_type Callback type given by an enum |
mbed_official | 15:a81a8d6c1dfe | 111 | */ |
mbed_official | 15:a81a8d6c1dfe | 112 | static inline void tc_enable_callback( |
mbed_official | 15:a81a8d6c1dfe | 113 | struct tc_module *const module, |
mbed_official | 15:a81a8d6c1dfe | 114 | const enum tc_callback callback_type) |
mbed_official | 15:a81a8d6c1dfe | 115 | { |
mbed_official | 15:a81a8d6c1dfe | 116 | /* Sanity check arguments */ |
mbed_official | 15:a81a8d6c1dfe | 117 | Assert(module); |
mbed_official | 15:a81a8d6c1dfe | 118 | |
mbed_official | 15:a81a8d6c1dfe | 119 | |
mbed_official | 15:a81a8d6c1dfe | 120 | /* Enable interrupts for this TC module */ |
mbed_official | 15:a81a8d6c1dfe | 121 | system_interrupt_enable(_tc_interrupt_get_interrupt_vector(_tc_get_inst_index(module->hw))); |
mbed_official | 15:a81a8d6c1dfe | 122 | |
mbed_official | 15:a81a8d6c1dfe | 123 | /* Enable callback */ |
mbed_official | 15:a81a8d6c1dfe | 124 | if (callback_type == TC_CALLBACK_CC_CHANNEL0) { |
mbed_official | 15:a81a8d6c1dfe | 125 | module->enable_callback_mask |= TC_INTFLAG_MC(1); |
mbed_official | 15:a81a8d6c1dfe | 126 | module->hw->COUNT8.INTENSET.reg = TC_INTFLAG_MC(1); |
mbed_official | 15:a81a8d6c1dfe | 127 | } else if (callback_type == TC_CALLBACK_CC_CHANNEL1) { |
mbed_official | 15:a81a8d6c1dfe | 128 | module->enable_callback_mask |= TC_INTFLAG_MC(2); |
mbed_official | 15:a81a8d6c1dfe | 129 | module->hw->COUNT8.INTENSET.reg = TC_INTFLAG_MC(2); |
mbed_official | 15:a81a8d6c1dfe | 130 | } else { |
mbed_official | 15:a81a8d6c1dfe | 131 | module->enable_callback_mask |= (1 << callback_type); |
mbed_official | 15:a81a8d6c1dfe | 132 | module->hw->COUNT8.INTENSET.reg = (1 << callback_type); |
mbed_official | 15:a81a8d6c1dfe | 133 | } |
mbed_official | 15:a81a8d6c1dfe | 134 | } |
mbed_official | 15:a81a8d6c1dfe | 135 | |
mbed_official | 15:a81a8d6c1dfe | 136 | /** |
mbed_official | 15:a81a8d6c1dfe | 137 | * \brief Disables callback. |
mbed_official | 15:a81a8d6c1dfe | 138 | * |
mbed_official | 15:a81a8d6c1dfe | 139 | * Disables the callback function registered by the \ref |
mbed_official | 15:a81a8d6c1dfe | 140 | * tc_register_callback, and the callback will not be called from the |
mbed_official | 15:a81a8d6c1dfe | 141 | * interrupt routine. The function will also disable the appropriate |
mbed_official | 15:a81a8d6c1dfe | 142 | * interrupts. |
mbed_official | 15:a81a8d6c1dfe | 143 | * |
mbed_official | 15:a81a8d6c1dfe | 144 | * \param[in] module Pointer to TC software instance struct |
mbed_official | 15:a81a8d6c1dfe | 145 | * \param[in] callback_type Callback type given by an enum |
mbed_official | 15:a81a8d6c1dfe | 146 | */ |
mbed_official | 15:a81a8d6c1dfe | 147 | static inline void tc_disable_callback( |
mbed_official | 15:a81a8d6c1dfe | 148 | struct tc_module *const module, |
mbed_official | 15:a81a8d6c1dfe | 149 | const enum tc_callback callback_type) |
mbed_official | 15:a81a8d6c1dfe | 150 | { |
mbed_official | 15:a81a8d6c1dfe | 151 | /* Sanity check arguments */ |
mbed_official | 15:a81a8d6c1dfe | 152 | Assert(module); |
mbed_official | 15:a81a8d6c1dfe | 153 | |
mbed_official | 15:a81a8d6c1dfe | 154 | /* Disable callback */ |
mbed_official | 15:a81a8d6c1dfe | 155 | if (callback_type == TC_CALLBACK_CC_CHANNEL0) { |
mbed_official | 15:a81a8d6c1dfe | 156 | module->hw->COUNT8.INTENCLR.reg = TC_INTFLAG_MC(1); |
mbed_official | 15:a81a8d6c1dfe | 157 | module->enable_callback_mask &= ~TC_INTFLAG_MC(1); |
mbed_official | 15:a81a8d6c1dfe | 158 | } else if (callback_type == TC_CALLBACK_CC_CHANNEL1) { |
mbed_official | 15:a81a8d6c1dfe | 159 | module->hw->COUNT8.INTENCLR.reg = TC_INTFLAG_MC(2); |
mbed_official | 15:a81a8d6c1dfe | 160 | module->enable_callback_mask &= ~TC_INTFLAG_MC(2); |
mbed_official | 15:a81a8d6c1dfe | 161 | } else { |
mbed_official | 15:a81a8d6c1dfe | 162 | module->hw->COUNT8.INTENCLR.reg = (1 << callback_type); |
mbed_official | 15:a81a8d6c1dfe | 163 | module->enable_callback_mask &= ~(1 << callback_type); |
mbed_official | 15:a81a8d6c1dfe | 164 | } |
mbed_official | 15:a81a8d6c1dfe | 165 | } |
mbed_official | 15:a81a8d6c1dfe | 166 | |
mbed_official | 15:a81a8d6c1dfe | 167 | /** |
mbed_official | 15:a81a8d6c1dfe | 168 | * @} |
mbed_official | 15:a81a8d6c1dfe | 169 | */ |
mbed_official | 15:a81a8d6c1dfe | 170 | |
mbed_official | 15:a81a8d6c1dfe | 171 | #ifdef __cplusplus |
mbed_official | 15:a81a8d6c1dfe | 172 | } |
mbed_official | 15:a81a8d6c1dfe | 173 | #endif |
mbed_official | 15:a81a8d6c1dfe | 174 | |
mbed_official | 15:a81a8d6c1dfe | 175 | #endif /* TC_INTERRUPT_H_INCLUDED */ |