MCC genererar C kod, men det kan ju som jag sa vara till hjälp ändå.
Det är ju samma register oavsett om man kör C eller ASM, bara att
göra samma sak i ASM...
Testade att sätta up PWM1 i MCC och fick nedanstående.
Kört med 32 MHz, Standard-PWM, clock-source FOSC, Independent-run,
period 1000 ns, Phase 0, offset 62.5 ns (default), Duty 50%.
Jag tycker att koden är väldigt tydlig och ren och bör inte vara något
problem att överföra till ASM. Man får förutom en grundinställning enligt
vad man valde i MCC, även färdiga funktioner för att ändra inställningar.
Ser himla trevligt ut, måste jag säga...
Kod: Markera allt
/**
PWM1 Generated Driver File
@Company
Microchip Technology Inc.
@File Name
pwm1.c
@Summary
This is the generated driver implementation file for the PWM1 driver using MPLAB(c) Code Configurator
@Description
This header file provides implementations for driver APIs for PWM1.
Generation Information :
Product Revision : MPLAB(c) Code Configurator - 3.15.0
Device : PIC12F1572
Driver Version : 1.0
The generated drivers are tested against the following:
Compiler : XC8 1.35
MPLAB : MPLAB X 3.20
*/
/*
(c) 2016 Microchip Technology Inc. and its subsidiaries. You may use this
software and any derivatives exclusively with Microchip products.
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, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.
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.
MICROCHIP PROVIDES THIS SOFTWARE CONDITIONALLY UPON YOUR ACCEPTANCE OF THESE
TERMS.
*/
/**
Section: Included Files
*/
#include <xc.h>
#include "pwm1.h"
/**
Section: PWM1 APIs
*/
void PWM1_Initialize(void)
{
// set the PWM1 to the options selected in the User Interface
//PHIE disabled; DCIE disabled; OFIE disabled; PRIE disabled;
PWM1INTE = 0x00;
//PHIF cleared; OFIF cleared; DCIF cleared; PRIF cleared;
PWM1INTF = 0x00;
//PS No_Prescalar; CS FOSC;
PWM1CLKCON = 0x00;
//LDS reserved; LDT disabled; LDA do_not_load;
PWM1LDCON = 0x00;
//OFM independent_run; OFS reserved; OFO match_incrementing;
PWM1OFCON = 0x00;
//PWM1PHH 0;
PWM1PHH = 0x00;
//PWM1PHL 0;
PWM1PHL = 0x00;
//PWM1DCH 0;
PWM1DCH = 0x00;
//PWM1DCL 16;
PWM1DCL = 0x10;
//PWM1PRH 0;
PWM1PRH = 0x00;
//PWM1PRL 31;
PWM1PRL = 0x1F;
//PWM1OFH 0;
PWM1OFH = 0x00;
//PWM1OFL 1;
PWM1OFL = 0x01;
//PWM1TMRH 0;
PWM1TMRH = 0x00;
//PWM1TMRL 0;
PWM1TMRL = 0x00;
//MODE standard_PWM; POL active_hi; OE enabled; EN enabled;
PWM1CON = 0xC0;
}
void PWM1_Start(void)
{
PWM1CONbits.EN = 1;
}
void PWM1_Stop(void)
{
PWM1CONbits.EN = 0;
}
bool PWM1_CheckOutputStatus(void)
{
return (PWM1CONbits.OUT);
}
void PWM1_LoadBufferSet(void)
{
PWM1LDCONbits.LDA = 1;
}
void PWM1_PhaseSet(uint16_t phaseCount)
{
PWM1PHH = (phaseCount>>8); //writing 8 MSBs to PWMPHH register
PWM1PHL = (phaseCount); //writing 8 LSBs to PWMPHL register
}
void PWM1_DutyCycleSet(uint16_t dutyCycleCount)
{
PWM1DCH = (dutyCycleCount>>8); //writing 8 MSBs to PWMDCH register
PWM1DCL = (dutyCycleCount); //writing 8 LSBs to PWMDCL register
}
void PWM1_PeriodSet(uint16_t periodCount)
{
PWM1PRH = (periodCount>>8); //writing 8 MSBs to PWMPRH register
PWM1PRL = (periodCount); //writing 8 LSBs to PWMPRL register
}
void PWM1_OffsetSet(uint16_t offsetCount)
{
PWM1OFH = (offsetCount>>8); //writing 8 MSBs to PWMOFH register
PWM1OFL = (offsetCount); //writing 8 LSBs to PWMOFL register
}
uint16_t PWM1_TimerCountGet(void)
{
return ((PWM1TMRH<<8) | PWM1TMRL);
}
bool PWM1_IsOffsetMatchOccured(void)
{
return (PWM1INTFbits.OFIF);
}
bool PWM1_IsPhaseMatchOccured(void)
{
return (PWM1INTFbits.PHIF);
}
bool PWM1_IsDutyCycleMatchOccured(void)
{
return (PWM1INTFbits.DCIF);
}
bool PWM1_IsPeriodMatchOccured(void)
{
return (PWM1INTFbits.PRIF);
}
/**
End of File
*/
