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Last commit 20 Feb 2019 by 
mbed official
targets/hal/TARGET_WIZNET/TARGET_W7500x/us_ticker.c@576:99a3d3d9c43f, 2015-06-30 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Jun 30 09:45:08 2015 +0100
- Revision:
- 576:99a3d3d9c43f
- Parent:
- 558:0880f51c4036
- Child:
- 597:47bdd20c4d41
Synchronized with git revision 1c13bc80fedd0fdfaedfab5c33183dc2b6f9b1bb
Full URL: https://github.com/mbedmicro/mbed/commit/1c13bc80fedd0fdfaedfab5c33183dc2b6f9b1bb/
Wiznet - Update and bug fix.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 558:0880f51c4036 | 1 | /* mbed Microcontroller Library |
| mbed_official | 558:0880f51c4036 | 2 | ******************************************************************************* |
| mbed_official | 558:0880f51c4036 | 3 | * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved. |
| mbed_official | 558:0880f51c4036 | 4 | * All rights reserved. |
| mbed_official | 558:0880f51c4036 | 5 | * |
| mbed_official | 558:0880f51c4036 | 6 | * Redistribution and use in source and binary forms, with or without |
| mbed_official | 558:0880f51c4036 | 7 | * modification, are permitted provided that the following conditions are met: |
| mbed_official | 558:0880f51c4036 | 8 | * |
| mbed_official | 558:0880f51c4036 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 558:0880f51c4036 | 10 | * this list of conditions and the following disclaimer. |
| mbed_official | 558:0880f51c4036 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 558:0880f51c4036 | 12 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 558:0880f51c4036 | 13 | * and/or other materials provided with the distribution. |
| mbed_official | 558:0880f51c4036 | 14 | * 3. Neither the name of ARM Limited nor the names of its contributors |
| mbed_official | 558:0880f51c4036 | 15 | * may be used to endorse or promote products derived from this software |
| mbed_official | 558:0880f51c4036 | 16 | * without specific prior written permission. |
| mbed_official | 558:0880f51c4036 | 17 | * |
| mbed_official | 558:0880f51c4036 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 558:0880f51c4036 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 558:0880f51c4036 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 558:0880f51c4036 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 558:0880f51c4036 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 558:0880f51c4036 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 558:0880f51c4036 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 558:0880f51c4036 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 558:0880f51c4036 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 558:0880f51c4036 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 558:0880f51c4036 | 28 | ******************************************************************************* |
| mbed_official | 558:0880f51c4036 | 29 | */ |
| mbed_official | 558:0880f51c4036 | 30 | |
| mbed_official | 558:0880f51c4036 | 31 | #include <stddef.h> |
| mbed_official | 558:0880f51c4036 | 32 | #include "us_ticker_api.h" |
| mbed_official | 558:0880f51c4036 | 33 | #include "PeripheralNames.h" |
| mbed_official | 558:0880f51c4036 | 34 | #include "system_W7500x.h" |
| mbed_official | 558:0880f51c4036 | 35 | |
| mbed_official | 558:0880f51c4036 | 36 | |
| mbed_official | 576:99a3d3d9c43f | 37 | static PWM_TimerModeInitTypeDef TimMasterHandle_CH3; |
| mbed_official | 576:99a3d3d9c43f | 38 | static PWM_TimerModeInitTypeDef TimMasterHandle_CH2; |
| mbed_official | 558:0880f51c4036 | 39 | |
| mbed_official | 558:0880f51c4036 | 40 | static int us_ticker_inited = 0; |
| mbed_official | 558:0880f51c4036 | 41 | |
| mbed_official | 558:0880f51c4036 | 42 | |
| mbed_official | 558:0880f51c4036 | 43 | #ifdef __cplusplus |
| mbed_official | 558:0880f51c4036 | 44 | extern "C"{ |
| mbed_official | 558:0880f51c4036 | 45 | #endif |
| mbed_official | 576:99a3d3d9c43f | 46 | void PWM2_Handler(void) |
| mbed_official | 558:0880f51c4036 | 47 | { |
| mbed_official | 558:0880f51c4036 | 48 | uint32_t IntFlag = 0; |
| mbed_official | 558:0880f51c4036 | 49 | |
| mbed_official | 576:99a3d3d9c43f | 50 | IntFlag = PWM_CHn_GetIntFlagStatus(PWM_CH2); |
| mbed_official | 558:0880f51c4036 | 51 | |
| mbed_official | 558:0880f51c4036 | 52 | /* If overflow interrupt is occurred */ |
| mbed_official | 558:0880f51c4036 | 53 | if( (IntFlag & PWM_CHn_IER_OI_Msk) != 0 ) |
| mbed_official | 558:0880f51c4036 | 54 | { |
| mbed_official | 558:0880f51c4036 | 55 | /* Clear overflow interrupt */ |
| mbed_official | 576:99a3d3d9c43f | 56 | PWM_CH2_ClearOverflowInt(); |
| mbed_official | 558:0880f51c4036 | 57 | us_ticker_irq_handler(); |
| mbed_official | 558:0880f51c4036 | 58 | } |
| mbed_official | 558:0880f51c4036 | 59 | } |
| mbed_official | 558:0880f51c4036 | 60 | |
| mbed_official | 558:0880f51c4036 | 61 | #ifdef __cplusplus |
| mbed_official | 558:0880f51c4036 | 62 | } |
| mbed_official | 558:0880f51c4036 | 63 | #endif |
| mbed_official | 558:0880f51c4036 | 64 | |
| mbed_official | 558:0880f51c4036 | 65 | void us_ticker_init(void) |
| mbed_official | 558:0880f51c4036 | 66 | { |
| mbed_official | 558:0880f51c4036 | 67 | if (us_ticker_inited) return; |
| mbed_official | 558:0880f51c4036 | 68 | us_ticker_inited = 1; |
| mbed_official | 558:0880f51c4036 | 69 | |
| mbed_official | 558:0880f51c4036 | 70 | SystemCoreClockUpdate(); |
| mbed_official | 576:99a3d3d9c43f | 71 | TimMasterHandle_CH3.PWM_CHn_PR = (GetSystemClock() / 1000000) -1; |
| mbed_official | 576:99a3d3d9c43f | 72 | TimMasterHandle_CH3.PWM_CHn_LR = 0xFFFFFFFF; |
| mbed_official | 576:99a3d3d9c43f | 73 | TimMasterHandle_CH3.PWM_CHn_PDMR = 1; |
| mbed_official | 558:0880f51c4036 | 74 | |
| mbed_official | 576:99a3d3d9c43f | 75 | PWM_TimerModeInit(PWM_CH3, &TimMasterHandle_CH3); |
| mbed_official | 576:99a3d3d9c43f | 76 | PWM_CHn_Start(PWM_CH3); |
| mbed_official | 558:0880f51c4036 | 77 | } |
| mbed_official | 558:0880f51c4036 | 78 | |
| mbed_official | 558:0880f51c4036 | 79 | |
| mbed_official | 558:0880f51c4036 | 80 | uint32_t us_ticker_read() |
| mbed_official | 558:0880f51c4036 | 81 | { |
| mbed_official | 558:0880f51c4036 | 82 | if (!us_ticker_inited) us_ticker_init(); |
| mbed_official | 558:0880f51c4036 | 83 | |
| mbed_official | 576:99a3d3d9c43f | 84 | return (PWM_CH3->TCR); |
| mbed_official | 558:0880f51c4036 | 85 | } |
| mbed_official | 558:0880f51c4036 | 86 | |
| mbed_official | 558:0880f51c4036 | 87 | |
| mbed_official | 558:0880f51c4036 | 88 | void us_ticker_set_interrupt(timestamp_t timestamp) |
| mbed_official | 558:0880f51c4036 | 89 | { |
| mbed_official | 558:0880f51c4036 | 90 | int32_t dev = 0; |
| mbed_official | 558:0880f51c4036 | 91 | if (!us_ticker_inited) |
| mbed_official | 558:0880f51c4036 | 92 | { |
| mbed_official | 558:0880f51c4036 | 93 | us_ticker_init(); |
| mbed_official | 558:0880f51c4036 | 94 | } |
| mbed_official | 558:0880f51c4036 | 95 | |
| mbed_official | 558:0880f51c4036 | 96 | dev = (int32_t)(timestamp - (us_ticker_read() + 150)); |
| mbed_official | 558:0880f51c4036 | 97 | |
| mbed_official | 558:0880f51c4036 | 98 | if(dev <= 0) |
| mbed_official | 558:0880f51c4036 | 99 | { |
| mbed_official | 558:0880f51c4036 | 100 | us_ticker_irq_handler(); |
| mbed_official | 558:0880f51c4036 | 101 | return; |
| mbed_official | 558:0880f51c4036 | 102 | } |
| mbed_official | 558:0880f51c4036 | 103 | |
| mbed_official | 576:99a3d3d9c43f | 104 | PWM_CHn_Stop(PWM_CH2); |
| mbed_official | 558:0880f51c4036 | 105 | |
| mbed_official | 558:0880f51c4036 | 106 | SystemCoreClockUpdate(); |
| mbed_official | 576:99a3d3d9c43f | 107 | TimMasterHandle_CH2.PWM_CHn_PR = (GetSystemClock() / 1000000) -1; |
| mbed_official | 576:99a3d3d9c43f | 108 | TimMasterHandle_CH2.PWM_CHn_LR = dev; |
| mbed_official | 558:0880f51c4036 | 109 | |
| mbed_official | 576:99a3d3d9c43f | 110 | TimMasterHandle_CH2.PWM_CHn_UDMR = 0; |
| mbed_official | 576:99a3d3d9c43f | 111 | TimMasterHandle_CH2.PWM_CHn_PDMR = 0; |
| mbed_official | 558:0880f51c4036 | 112 | |
| mbed_official | 576:99a3d3d9c43f | 113 | NVIC_EnableIRQ(PWM2_IRQn); |
| mbed_official | 558:0880f51c4036 | 114 | |
| mbed_official | 576:99a3d3d9c43f | 115 | PWM_CHn_IntConfig(PWM_CH2, PWM_CHn_IER_OIE, ENABLE); |
| mbed_official | 576:99a3d3d9c43f | 116 | PWM_IntConfig(PWM_CH2, ENABLE); |
| mbed_official | 576:99a3d3d9c43f | 117 | PWM_TimerModeInit(PWM_CH2, &TimMasterHandle_CH2); |
| mbed_official | 558:0880f51c4036 | 118 | |
| mbed_official | 576:99a3d3d9c43f | 119 | PWM_CHn_Start(PWM_CH2); |
| mbed_official | 558:0880f51c4036 | 120 | } |
| mbed_official | 558:0880f51c4036 | 121 | |
| mbed_official | 558:0880f51c4036 | 122 | void us_ticker_disable_interrupt(void) |
| mbed_official | 558:0880f51c4036 | 123 | { |
| mbed_official | 576:99a3d3d9c43f | 124 | NVIC_DisableIRQ(PWM2_IRQn); |
| mbed_official | 558:0880f51c4036 | 125 | |
| mbed_official | 576:99a3d3d9c43f | 126 | PWM_CHn_IntConfig(PWM_CH2, PWM_CHn_IER_OIE, DISABLE); |
| mbed_official | 576:99a3d3d9c43f | 127 | PWM_IntConfig(PWM_CH2, DISABLE); |
| mbed_official | 558:0880f51c4036 | 128 | } |
| mbed_official | 558:0880f51c4036 | 129 | |
| mbed_official | 558:0880f51c4036 | 130 | void us_ticker_clear_interrupt(void) |
| mbed_official | 558:0880f51c4036 | 131 | { |
| mbed_official | 576:99a3d3d9c43f | 132 | PWM_CHn_ClearInt(PWM_CH2, PWM_CHn_IER_OIE); |
| mbed_official | 558:0880f51c4036 | 133 | } |
