ハンドメイド電子回路「連絡ブザくん」ソースコード。波形データを入れ替えると、任意波形が発生できるぞ!

osc.c

#include "mcc_generated_files/mcc.h"

void setNextLevel(void);

unsigned char curve1[] = {
    39, 40, 26, 56, 39, 14, 58, 34, 46, 47, 39, 44, 37, 34, 37, 32, 28,
    39, 38, 39, 47, 45, 42, 45, 40, 37, 37, 29, 39, 39, 32, 45, 45, 37,
    39, 37, 37, 36, 34, 38, 39, 43, 46, 42, 42, 41, 38, 37, 40, 36, 34,
    37, 37, 37, 41,
};

unsigned int seq_num = 0;

void setNextLevel(void)
{
    PWM6_LoadDutyValue(curve0[seq_num]);     
    if (seq_num < 31) {
        seq_num++;
    } else {
        seq_num = 0;
    }
}

void main(void)
{
    extern volatile uint16_t timer0ReloadVal16bit;
    
    SYSTEM_Initialize();
    INTERRUPT_GlobalInterruptEnable();
    INTERRUPT_PeripheralInterruptEnable();
    
    TMR0_SetInterruptHandler(setNextLevel);
    timer0ReloadVal16bit = 0xFEB8; //40.4us
    TMR0_WriteTimer(timer0ReloadVal16bit);
  
    while (1) {}
}