338 lines
6.5 KiB
C
338 lines
6.5 KiB
C
/**
|
|
TMR2 Generated Driver API Header File
|
|
|
|
@Company
|
|
Microchip Technology Inc.
|
|
|
|
@File Name
|
|
tmr2.h
|
|
|
|
@Summary
|
|
This is the generated header file for the TMR2 driver using PIC10 / PIC12 / PIC16 / PIC18 MCUs
|
|
|
|
@Description
|
|
This header file provides APIs for TMR2.
|
|
Generation Information :
|
|
Product Revision : PIC10 / PIC12 / PIC16 / PIC18 MCUs - 1.81.8
|
|
Device : PIC18F97J60
|
|
Driver Version : 2.01
|
|
The generated drivers are tested against the following:
|
|
Compiler : XC8 2.36 and above
|
|
MPLAB : MPLAB X 6.00
|
|
*/
|
|
|
|
/*
|
|
(c) 2018 Microchip Technology Inc. and its subsidiaries.
|
|
|
|
Subject to your compliance with these terms, you may use Microchip software and any
|
|
derivatives exclusively with Microchip products. It is your responsibility to comply with third party
|
|
license terms applicable to your use of third party software (including open source software) that
|
|
may accompany Microchip software.
|
|
|
|
THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
|
|
EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY
|
|
IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS
|
|
FOR A PARTICULAR PURPOSE.
|
|
|
|
IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
|
|
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
|
|
WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP
|
|
HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO
|
|
THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL
|
|
CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT
|
|
OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS
|
|
SOFTWARE.
|
|
*/
|
|
|
|
#ifndef TMR2_H
|
|
#define TMR2_H
|
|
|
|
/**
|
|
Section: Included Files
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifdef __cplusplus // Provide C++ Compatibility
|
|
|
|
extern "C" {
|
|
|
|
#endif
|
|
|
|
|
|
/**
|
|
Section: Macro Declarations
|
|
*/
|
|
|
|
/**
|
|
Section: TMR2 APIs
|
|
*/
|
|
|
|
/**
|
|
@Summary
|
|
Initializes the TMR2 module.
|
|
|
|
@Description
|
|
This function initializes the TMR2 Registers.
|
|
This function must be called before any other TMR2 function is called.
|
|
|
|
@Preconditions
|
|
None
|
|
|
|
@Param
|
|
None
|
|
|
|
@Returns
|
|
None
|
|
|
|
@Comment
|
|
|
|
|
|
@Example
|
|
<code>
|
|
main()
|
|
{
|
|
// Initialize TMR2 module
|
|
TMR2_Initialize();
|
|
|
|
// Do something else...
|
|
}
|
|
</code>
|
|
*/
|
|
void TMR2_Initialize(void);
|
|
|
|
/**
|
|
@Summary
|
|
This function starts the TMR2.
|
|
|
|
@Description
|
|
This function starts the TMR2 operation.
|
|
This function must be called after the initialization of TMR2.
|
|
|
|
@Preconditions
|
|
Initialize the TMR2 before calling this function.
|
|
|
|
@Param
|
|
None
|
|
|
|
@Returns
|
|
None
|
|
|
|
@Example
|
|
<code>
|
|
// Initialize TMR2 module
|
|
|
|
// Start TMR2
|
|
TMR2_StartTimer();
|
|
|
|
// Do something else...
|
|
</code>
|
|
*/
|
|
void TMR2_StartTimer(void);
|
|
|
|
/**
|
|
@Summary
|
|
This function stops the TMR2.
|
|
|
|
@Description
|
|
This function stops the TMR2 operation.
|
|
This function must be called after the start of TMR2.
|
|
|
|
@Preconditions
|
|
Initialize the TMR2 before calling this function.
|
|
|
|
@Param
|
|
None
|
|
|
|
@Returns
|
|
None
|
|
|
|
@Example
|
|
<code>
|
|
// Initialize TMR2 module
|
|
|
|
// Start TMR2
|
|
TMR2_StartTimer();
|
|
|
|
// Do something else...
|
|
|
|
// Stop TMR2;
|
|
TMR2_StopTimer();
|
|
</code>
|
|
*/
|
|
void TMR2_StopTimer(void);
|
|
|
|
/**
|
|
@Summary
|
|
Reads the TMR2 register.
|
|
|
|
@Description
|
|
This function reads the TMR2 register value and return it.
|
|
|
|
@Preconditions
|
|
Initialize the TMR2 before calling this function.
|
|
|
|
@Param
|
|
None
|
|
|
|
@Returns
|
|
This function returns the current value of TMR2 register.
|
|
|
|
@Example
|
|
<code>
|
|
// Initialize TMR2 module
|
|
|
|
// Start TMR2
|
|
TMR2_StartTimer();
|
|
|
|
// Read the current value of TMR2
|
|
if(0 == TMR2_ReadTimer())
|
|
{
|
|
// Do something else...
|
|
|
|
// Reload the TMR value
|
|
TMR2_Reload();
|
|
}
|
|
</code>
|
|
*/
|
|
uint8_t TMR2_ReadTimer(void);
|
|
|
|
/**
|
|
@Summary
|
|
Writes the TMR2 register.
|
|
|
|
@Description
|
|
This function writes the TMR2 register.
|
|
This function must be called after the initialization of TMR2.
|
|
|
|
@Preconditions
|
|
Initialize the TMR2 before calling this function.
|
|
|
|
@Param
|
|
timerVal - Value to write into TMR2 register.
|
|
|
|
@Returns
|
|
None
|
|
|
|
@Example
|
|
<code>
|
|
#define PERIOD 0x80
|
|
#define ZERO 0x00
|
|
|
|
while(1)
|
|
{
|
|
// Read the TMR2 register
|
|
if(ZERO == TMR2_ReadTimer())
|
|
{
|
|
// Do something else...
|
|
|
|
// Write the TMR2 register
|
|
TMR2_WriteTimer(PERIOD);
|
|
}
|
|
|
|
// Do something else...
|
|
}
|
|
</code>
|
|
*/
|
|
void TMR2_WriteTimer(uint8_t timerVal);
|
|
|
|
/**
|
|
@Summary
|
|
Load value to Period Register.
|
|
|
|
@Description
|
|
This function writes the value to PR2 register.
|
|
This function must be called after the initialization of TMR2.
|
|
|
|
@Preconditions
|
|
Initialize the TMR2 before calling this function.
|
|
|
|
@Param
|
|
periodVal - Value to load into TMR2 register.
|
|
|
|
@Returns
|
|
None
|
|
|
|
@Example
|
|
<code>
|
|
#define PERIOD1 0x80
|
|
#define PERIOD2 0x40
|
|
#define ZERO 0x00
|
|
|
|
while(1)
|
|
{
|
|
// Read the TMR2 register
|
|
if(ZERO == TMR2_ReadTimer())
|
|
{
|
|
// Do something else...
|
|
|
|
if(flag)
|
|
{
|
|
flag = 0;
|
|
|
|
// Load Period 1 value
|
|
TMR2_LoadPeriodRegister(PERIOD1);
|
|
}
|
|
else
|
|
{
|
|
flag = 1;
|
|
|
|
// Load Period 2 value
|
|
TMR2_LoadPeriodRegister(PERIOD2);
|
|
}
|
|
}
|
|
|
|
// Do something else...
|
|
}
|
|
</code>
|
|
*/
|
|
void TMR2_LoadPeriodRegister(uint8_t periodVal);
|
|
|
|
/**
|
|
@Summary
|
|
Boolean routine to poll or to check for the match flag on the fly.
|
|
|
|
@Description
|
|
This function is called to check for the timer match flag.
|
|
This function is used in timer polling method.
|
|
|
|
@Preconditions
|
|
Initialize the TMR2 module before calling this routine.
|
|
|
|
@Param
|
|
None
|
|
|
|
@Returns
|
|
true - timer match has occurred.
|
|
false - timer match has not occurred.
|
|
|
|
@Example
|
|
<code>
|
|
while(1)
|
|
{
|
|
// check the match flag
|
|
if(TMR2_HasOverflowOccured())
|
|
{
|
|
// Do something else...
|
|
|
|
// Reload the TMR2 value
|
|
TMR2_Reload();
|
|
}
|
|
}
|
|
</code>
|
|
*/
|
|
bool TMR2_HasOverflowOccured(void);
|
|
|
|
#ifdef __cplusplus // Provide C++ Compatibility
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif // TMR2_H
|
|
/**
|
|
End of File
|
|
*/
|
|
|