AM62Px MCU+ SDK  10.01.00
TimerP.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2018-2021 Texas Instruments Incorporated
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *
11  * Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the
14  * distribution.
15  *
16  * Neither the name of Texas Instruments Incorporated nor the names of
17  * its contributors may be used to endorse or promote products derived
18  * from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef TIMERP_H
34 #define TIMERP_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 #include <stdint.h>
41 #include <kernel/dpl/SystemP.h>
42 
64 typedef struct TimerP_Params_ {
65 
66  uint32_t inputPreScaler;
73  uint32_t inputClkHz;
78  uint32_t periodInUsec;
84  uint32_t periodInNsec;
90  uint32_t oneshotMode;
94  uint32_t enableOverflowInt;
95  uint32_t enableDmaTrigger;
98 
102 #define TIME_IN_MICRO_SECONDS (1000000U)
103 
107 #define MAX_TIMER_COUNT_VALUE (0xFFFFFFFFULL)
108 
112 #define TIME_IN_MILLI_SECONDS (1000U)
113 
117 #define TIME_IN_NANO_SECONDS (1000000000U)
118 
122 #define TIMERP_SHIFT_BY_EIGHT (8U)
123 
127 #define MAX_NUMBER_OF_CYCLES (0xFFFFFFFFU)
128 
135 
142 void TimerP_setup(uint32_t baseAddr, TimerP_Params *params);
143 
149 void TimerP_start(uint32_t baseAddr);
150 
156 void TimerP_stop(uint32_t baseAddr);
157 
165 uint32_t TimerP_getCount(uint32_t baseAddr);
166 
174 uint32_t TimerP_getReloadCount(uint32_t baseAddr);
175 
181 void TimerP_clearOverflowInt(uint32_t baseAddr);
182 
183 
191 uint32_t TimerP_isOverflowed(uint32_t baseAddr);
192 
195 #ifdef __cplusplus
196 }
197 #endif
198 
199 #endif /* TIMERP_H */
200 
TimerP_setup
void TimerP_setup(uint32_t baseAddr, TimerP_Params *params)
Setup timer but does not start it.
SystemP.h
TimerP_Params::enableOverflowInt
uint32_t enableOverflowInt
Definition: TimerP.h:94
TimerP_Params::enableDmaTrigger
uint32_t enableDmaTrigger
Definition: TimerP.h:95
TimerP_clearOverflowInt
void TimerP_clearOverflowInt(uint32_t baseAddr)
Clear timer overflow interrupt.
TimerP_stop
void TimerP_stop(uint32_t baseAddr)
Stop timer.
TimerP_start
void TimerP_start(uint32_t baseAddr)
Start timer.
TimerP_Params
Parameters for TimerP_setup.
Definition: TimerP.h:64
TimerP_isOverflowed
uint32_t TimerP_isOverflowed(uint32_t baseAddr)
Check if timer is overflowed.
TimerP_getCount
uint32_t TimerP_getCount(uint32_t baseAddr)
Get timer current count.
TimerP_Params_init
void TimerP_Params_init(TimerP_Params *params)
Set default value for TimerP_Params.
TimerP_getReloadCount
uint32_t TimerP_getReloadCount(uint32_t baseAddr)
Get timer reload count.
TimerP_Params::oneshotMode
uint32_t oneshotMode
Definition: TimerP.h:90
TimerP_Params::inputClkHz
uint32_t inputClkHz
Definition: TimerP.h:73
TimerP_Params::periodInNsec
uint32_t periodInNsec
Definition: TimerP.h:84
TimerP_Params::inputPreScaler
uint32_t inputPreScaler
Definition: TimerP.h:66
TimerP_Params::periodInUsec
uint32_t periodInUsec
Definition: TimerP.h:78