added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
targets/cmsis/TARGET_ARM_SSG/TARGET_BEETLE/apb_dualtimer.h@147:ba84b7dc41a7, 2016-09-10 (annotated)
- Committer:
- JojoS
- Date:
- Sat Sep 10 15:32:04 2016 +0000
- Revision:
- 147:ba84b7dc41a7
- Parent:
- 144:ef7eb2e8f9f7
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 144:ef7eb2e8f9f7 | 1 | /* mbed Microcontroller Library |
<> | 144:ef7eb2e8f9f7 | 2 | * Copyright (c) 2016 ARM Limited |
<> | 144:ef7eb2e8f9f7 | 3 | * |
<> | 144:ef7eb2e8f9f7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 144:ef7eb2e8f9f7 | 5 | * you may not use this file except in compliance with the License. |
<> | 144:ef7eb2e8f9f7 | 6 | * You may obtain a copy of the License at |
<> | 144:ef7eb2e8f9f7 | 7 | * |
<> | 144:ef7eb2e8f9f7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 144:ef7eb2e8f9f7 | 9 | * |
<> | 144:ef7eb2e8f9f7 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 144:ef7eb2e8f9f7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 144:ef7eb2e8f9f7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 144:ef7eb2e8f9f7 | 13 | * See the License for the specific language governing permissions and |
<> | 144:ef7eb2e8f9f7 | 14 | * limitations under the License. |
<> | 144:ef7eb2e8f9f7 | 15 | */ |
<> | 144:ef7eb2e8f9f7 | 16 | |
<> | 144:ef7eb2e8f9f7 | 17 | #ifndef _APB_DUAL_TIMER_DRV_H |
<> | 144:ef7eb2e8f9f7 | 18 | #define _APB_DUAL_TIMER_DRV_H |
<> | 144:ef7eb2e8f9f7 | 19 | |
<> | 144:ef7eb2e8f9f7 | 20 | #ifdef __cplusplus |
<> | 144:ef7eb2e8f9f7 | 21 | extern "C" { |
<> | 144:ef7eb2e8f9f7 | 22 | #endif |
<> | 144:ef7eb2e8f9f7 | 23 | |
<> | 144:ef7eb2e8f9f7 | 24 | /* Supported Number of Dual Timers */ |
<> | 144:ef7eb2e8f9f7 | 25 | #define NUM_DUALTIMERS 1 |
<> | 144:ef7eb2e8f9f7 | 26 | #define DUALTIMER0 0 |
<> | 144:ef7eb2e8f9f7 | 27 | #define SINGLETIMER1 1 |
<> | 144:ef7eb2e8f9f7 | 28 | #define SINGLETIMER2 2 |
<> | 144:ef7eb2e8f9f7 | 29 | |
<> | 144:ef7eb2e8f9f7 | 30 | /* |
<> | 144:ef7eb2e8f9f7 | 31 | * DualTimer_Initialize(): Initializes a hardware timer |
<> | 144:ef7eb2e8f9f7 | 32 | * timer: timer to be Initialized |
<> | 144:ef7eb2e8f9f7 | 33 | * time_us: timer reload value in us - 0 to reload to timer max value |
<> | 144:ef7eb2e8f9f7 | 34 | * time_us = tick_value / TIMER_TICK_US |
<> | 144:ef7eb2e8f9f7 | 35 | */ |
<> | 144:ef7eb2e8f9f7 | 36 | void DualTimer_Initialize(uint32_t timer, uint32_t time_us); |
<> | 144:ef7eb2e8f9f7 | 37 | |
<> | 144:ef7eb2e8f9f7 | 38 | /* Enable Mode */ |
<> | 144:ef7eb2e8f9f7 | 39 | typedef uint8_t timerenable_t; |
<> | 144:ef7eb2e8f9f7 | 40 | /* Interrupt */ |
<> | 144:ef7eb2e8f9f7 | 41 | #define DUALTIMER_INT_MASK (0) |
<> | 144:ef7eb2e8f9f7 | 42 | #define DUALTIMER_INT (1 << DUALTIMER_INT_MASK) |
<> | 144:ef7eb2e8f9f7 | 43 | /* 32 bit Counter */ |
<> | 144:ef7eb2e8f9f7 | 44 | #define DUALTIMER_COUNT_32_MASK (1) |
<> | 144:ef7eb2e8f9f7 | 45 | #define DUALTIMER_COUNT_32 (1 << DUALTIMER_COUNT_32_MASK) |
<> | 144:ef7eb2e8f9f7 | 46 | /* Periodic mode */ |
<> | 144:ef7eb2e8f9f7 | 47 | #define DUALTIMER_PERIODIC_MASK (2) |
<> | 144:ef7eb2e8f9f7 | 48 | #define DUALTIMER_PERIODIC (1 << DUALTIMER_PERIODIC_MASK) |
<> | 144:ef7eb2e8f9f7 | 49 | /* OneShot mode */ |
<> | 144:ef7eb2e8f9f7 | 50 | #define DUALTIMER_ONESHOT_MASK (3) |
<> | 144:ef7eb2e8f9f7 | 51 | #define DUALTIMER_ONESHOT (1 << DUALTIMER_ONESHOT_MASK) |
<> | 144:ef7eb2e8f9f7 | 52 | |
<> | 144:ef7eb2e8f9f7 | 53 | /* Default reload */ |
<> | 144:ef7eb2e8f9f7 | 54 | #define DUALTIMER_DEFAULT_RELOAD 0xFFFFFFFF |
<> | 144:ef7eb2e8f9f7 | 55 | |
<> | 144:ef7eb2e8f9f7 | 56 | /* |
<> | 144:ef7eb2e8f9f7 | 57 | * DualTimer_Enable(): Enables a hardware timer |
<> | 144:ef7eb2e8f9f7 | 58 | * timer: timer to be enabled |
<> | 144:ef7eb2e8f9f7 | 59 | * mode: enable mode |
<> | 144:ef7eb2e8f9f7 | 60 | */ |
<> | 144:ef7eb2e8f9f7 | 61 | void DualTimer_Enable(uint32_t timer, timerenable_t mode); |
<> | 144:ef7eb2e8f9f7 | 62 | |
<> | 144:ef7eb2e8f9f7 | 63 | /* |
<> | 144:ef7eb2e8f9f7 | 64 | * DualTimer_Disable(): Disables a hardware timer |
<> | 144:ef7eb2e8f9f7 | 65 | * timer: timer to be disabled |
<> | 144:ef7eb2e8f9f7 | 66 | * dis_timer: 0 both - 1 dual timer 1 - 2 dual timer 2 |
<> | 144:ef7eb2e8f9f7 | 67 | */ |
<> | 144:ef7eb2e8f9f7 | 68 | void DualTimer_Disable(uint32_t timer, uint32_t dis_timer); |
<> | 144:ef7eb2e8f9f7 | 69 | |
<> | 144:ef7eb2e8f9f7 | 70 | /* |
<> | 144:ef7eb2e8f9f7 | 71 | * DualTimer_isEnabled(): verifies if a timer is enabled |
<> | 144:ef7eb2e8f9f7 | 72 | * timer: timer to be verified |
<> | 144:ef7eb2e8f9f7 | 73 | * @return: 0 disabled - 1 enabled |
<> | 144:ef7eb2e8f9f7 | 74 | */ |
<> | 144:ef7eb2e8f9f7 | 75 | uint32_t DualTimer_isEnabled(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 76 | |
<> | 144:ef7eb2e8f9f7 | 77 | /* |
<> | 144:ef7eb2e8f9f7 | 78 | * DualTimer_Read_1(): provides single timer 1 VALUE |
<> | 144:ef7eb2e8f9f7 | 79 | * timer: timer to be read |
<> | 144:ef7eb2e8f9f7 | 80 | * @return: timer VALUE us |
<> | 144:ef7eb2e8f9f7 | 81 | */ |
<> | 144:ef7eb2e8f9f7 | 82 | uint32_t DualTimer_Read_1(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 83 | |
<> | 144:ef7eb2e8f9f7 | 84 | /* |
<> | 144:ef7eb2e8f9f7 | 85 | * DualTimer_Read_2(): provides single timer 2 VALUE |
<> | 144:ef7eb2e8f9f7 | 86 | * timer: timer to be read |
<> | 144:ef7eb2e8f9f7 | 87 | * @return: timer VALUE us |
<> | 144:ef7eb2e8f9f7 | 88 | */ |
<> | 144:ef7eb2e8f9f7 | 89 | uint32_t DualTimer_Read_2(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 90 | |
<> | 144:ef7eb2e8f9f7 | 91 | /* |
<> | 144:ef7eb2e8f9f7 | 92 | * DualTimer_SetInterrupt_1(): sets timer 1 Interrupt |
<> | 144:ef7eb2e8f9f7 | 93 | * timer: timer on which interrupt is set |
<> | 144:ef7eb2e8f9f7 | 94 | * time_us: reloading value us |
<> | 144:ef7eb2e8f9f7 | 95 | * mode: enable mode |
<> | 144:ef7eb2e8f9f7 | 96 | */ |
<> | 144:ef7eb2e8f9f7 | 97 | void DualTimer_SetInterrupt_1(uint32_t timer, uint32_t time_us, |
<> | 144:ef7eb2e8f9f7 | 98 | timerenable_t mode); |
<> | 144:ef7eb2e8f9f7 | 99 | |
<> | 144:ef7eb2e8f9f7 | 100 | /* |
<> | 144:ef7eb2e8f9f7 | 101 | * DualTimer_SetInterrupt_2(): sets timer 2 Interrupt |
<> | 144:ef7eb2e8f9f7 | 102 | * timer: timer on which interrupt is set |
<> | 144:ef7eb2e8f9f7 | 103 | * time_us: reloading value us |
<> | 144:ef7eb2e8f9f7 | 104 | * mode: enable mode |
<> | 144:ef7eb2e8f9f7 | 105 | */ |
<> | 144:ef7eb2e8f9f7 | 106 | void DualTimer_SetInterrupt_2(uint32_t timer, uint32_t time_us, |
<> | 144:ef7eb2e8f9f7 | 107 | timerenable_t mode); |
<> | 144:ef7eb2e8f9f7 | 108 | |
<> | 144:ef7eb2e8f9f7 | 109 | /* |
<> | 144:ef7eb2e8f9f7 | 110 | * DualTimer_DisableInterrupt(): disables timer interrupt |
<> | 144:ef7eb2e8f9f7 | 111 | * timer: timer on which interrupt is disabled |
<> | 144:ef7eb2e8f9f7 | 112 | */ |
<> | 144:ef7eb2e8f9f7 | 113 | void DualTimer_DisableInterrupt(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 114 | |
<> | 144:ef7eb2e8f9f7 | 115 | /* |
<> | 144:ef7eb2e8f9f7 | 116 | * DualTimer_ClearInterrupt(): clear timer interrupt |
<> | 144:ef7eb2e8f9f7 | 117 | * timer: timer on which interrupt needs to be cleared |
<> | 144:ef7eb2e8f9f7 | 118 | */ |
<> | 144:ef7eb2e8f9f7 | 119 | void DualTimer_ClearInterrupt(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 120 | |
<> | 144:ef7eb2e8f9f7 | 121 | /* |
<> | 144:ef7eb2e8f9f7 | 122 | * DualTimer_GetIRQn(): returns IRQn of a DualTimer |
<> | 144:ef7eb2e8f9f7 | 123 | * timer: timer on which IRQn is defined - 0 if it is not defined |
<> | 144:ef7eb2e8f9f7 | 124 | */ |
<> | 144:ef7eb2e8f9f7 | 125 | uint32_t DualTimer_GetIRQn(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 126 | |
<> | 144:ef7eb2e8f9f7 | 127 | /* |
<> | 144:ef7eb2e8f9f7 | 128 | * DualTimer_GetIRQInfo(): provides the single timer who caused |
<> | 144:ef7eb2e8f9f7 | 129 | * the interrupt. |
<> | 144:ef7eb2e8f9f7 | 130 | * timer: dualtimer that triggered the IRQ |
<> | 144:ef7eb2e8f9f7 | 131 | * @return: a single timer |
<> | 144:ef7eb2e8f9f7 | 132 | */ |
<> | 144:ef7eb2e8f9f7 | 133 | uint32_t DualTimer_GetIRQInfo(uint32_t dualtimer); |
<> | 144:ef7eb2e8f9f7 | 134 | |
<> | 144:ef7eb2e8f9f7 | 135 | /* |
<> | 144:ef7eb2e8f9f7 | 136 | * DualTimer_GetTicksUS(): returns the Ticks per us |
<> | 144:ef7eb2e8f9f7 | 137 | * timer: timer associated with the Ticks per us |
<> | 144:ef7eb2e8f9f7 | 138 | * @return: Ticks per us - 0 if the timer is disables |
<> | 144:ef7eb2e8f9f7 | 139 | */ |
<> | 144:ef7eb2e8f9f7 | 140 | uint32_t DualTimer_GetTicksUS(uint32_t timer); |
<> | 144:ef7eb2e8f9f7 | 141 | |
<> | 144:ef7eb2e8f9f7 | 142 | /* |
<> | 144:ef7eb2e8f9f7 | 143 | * DualTimer_GetReloadValue(): returns the load value of the selected |
<> | 144:ef7eb2e8f9f7 | 144 | * singletimer. |
<> | 144:ef7eb2e8f9f7 | 145 | * timer: timer associated with the Ticks per us |
<> | 144:ef7eb2e8f9f7 | 146 | * singletimer: selected singletimer |
<> | 144:ef7eb2e8f9f7 | 147 | * @return: reload value of the selected singletimer |
<> | 144:ef7eb2e8f9f7 | 148 | */ |
<> | 144:ef7eb2e8f9f7 | 149 | uint32_t DualTimer_GetReloadValue(uint32_t timer, uint32_t singletimer); |
<> | 144:ef7eb2e8f9f7 | 150 | |
<> | 144:ef7eb2e8f9f7 | 151 | #ifdef __cplusplus |
<> | 144:ef7eb2e8f9f7 | 152 | } |
<> | 144:ef7eb2e8f9f7 | 153 | #endif |
<> | 144:ef7eb2e8f9f7 | 154 | #endif /* _APB_DUAL_TIMER_DRV_H */ |