florian66
/
Sound4Calc
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

PWM

This commit is contained in:
flo66 2017-01-14 14:43:00 +01:00
parent 0b260c78ab
commit 16cda07a7e
1 changed files with 13 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
src/Sound4Calc.c
View File

@ -7,24 +7,10 @@
#include <keyboard.h>
#include <mpu.h>
//#define DEBUG
//#define PI 3.141592653584
/*
void switchStatePin()
{
if(isSH3())
{
*(volatile unsigned char*)SH7337_SCPDR ^= 0x01;
}
else
{
*(volatile unsigned char*)SH7305_PJDR ^= 0x04;
}
}*/
const char* bincod = "111011001000100011101" ;
char bincod[12] = {0};
char place = 0;
unsigned char range = 0;
@ -32,7 +18,7 @@ void lect()
{
// range = (range < 20 ? range +1 : 0);
if(bincod[range] != bincod[range+1])
if(bincod[range%place] != bincod[(range+1)%place])
{
if(isSH3())
{
@ -43,7 +29,7 @@ void lect()
*(volatile unsigned char*)SH7305_PJDR ^= 0x04;
}
}
range = (range < 19 ? range +1 : 0);
range++;
}
@ -52,7 +38,7 @@ int main(void)
{
unsigned int key=0;
int freq = 1;
int freq = 440;
//unsigned int i=0;
@ -62,14 +48,9 @@ int main(void)
{
dclear();
// dprint(1, 1, "%d", freq);
// PrintMini(1, 1, itoa(freq, str, 10), 0);
// dprint(1, 10, "%d", !isSH3());
dprint(1, 1, "%d", freq);
dprint(1, 10, "%s , %d", bincod, place);
//dprint(1,20, "%c , %c", bincod[range], bincod[range+1]);
// dprint(1, 20, "%d", range);
//PrintMini(1, 10, itoa(is_SH4, str, 10), 0);
dupdate();
key=getkey();
@ -81,14 +62,19 @@ int main(void)
case KEY_UP : freq+=10; break;
case KEY_DOWN : freq-=10; break;
case KEY_F1 : *(bincod+place) = '_'; place++; range = 0; break;
case KEY_F2 : *(bincod+place) = '-'; place++; range = 0;break;
case KEY_DEL : place=(place>0 ? place - 1 : 0); *(bincod+place) = 0; range = 0; break;
case KEY_EXE :
timer_start(TIMER_USER, 8800, Clock_Hz, lect, 0);
timer_start(TIMER_USER, freq*place, Clock_Hz, lect, 2*freq*place);
break;
case KEY_EXIT :
timer_stop(TIMER_USER);
return 1;
}
}
return 1; // this point is never reached
}