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Sound4Calc
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This commit is contained in:
flo 2017-02-26 13:55:45 +01:00
parent 75824c67e5
commit df07aa65b0
4 changed files with 101 additions and 120 deletions
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3
include/main.h
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@ -1,7 +1,4 @@
#ifndef _MAIN
#define _MAIN
void lect();
#endif

28
include/sound4calc.h
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@ -1,5 +1,14 @@
#ifndef _SOUND4CALC
#define _SOUND4CALC
#ifndef _SOUND4CALC_H
#define _SOUND4CALC_H
extern char* wave_signal = "-_"; // simple waveform*
extern unsigned short freq = 440; // frequency by default : to get La3
extern unsigned short duration = 2000; // equivalent as 2000 ms duration sound
void CallSequence();
void PutPinState(char level);
void PlayNote();
void InitPorts();
//SH4 addresses
#define SH7305_PJCR 0xA4050110
@ -18,19 +27,4 @@
#define SH7337_PGDR 0xA400012C
#define SH7337_SCPDR 0xA4000136
void PutPinState(char level);
void PlayNote();
void InitPorts();
static struct {
int freq;
int length_ms;
} seq[] = {
{ 440, 500 },
{ 392, 500 },
{ 349, 500 },
{ -1, -1 }
};
#endif

81
src/main.c
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@ -1,63 +1,50 @@
#include "main.h"
#include "sound4calc.h"
#include <timer.h> // add timer's fonction
#include <display.h> // add display's fonction
#include <sound4calc.h>
//#include <timer.h> // add timer fonction
#include <display.h> // add display fonction
#include <keyboard.h>
//#define PI 3.141592653584
unsigned char bincod[25] = {0};
unsigned char place = 0;
unsigned char range = 0;
void lect()
{
PutPinState(bincod[range]=='-');
range++;
if(!(bincod[range])) range=0;
}
int main(void)
{
static int freq = 440;
unsigned int key = 0;
unsigned int key = 0;
//unsigned int i=0;
InitPorts();
InitPorts();
while(1)
{
dclear();
dprint(1, 1, "%d", freq);
dprint(1, 10, "%s", bincod);
dprint(1, 20, "%d", place);
dtext(1, 50, "F1 _ F2 -");
dupdate();
key = getkey();
switch(key)
while(1)
{
case KEY_RIGHT : freq+=1; break;
case KEY_LEFT : freq-=1; break;
case KEY_UP : freq+=10; break;
case KEY_DOWN : freq-=10; break;
dclear();
case KEY_F1 : *(bincod+place++) = '_'; break;
case KEY_F2 : *(bincod+place++) = '-'; break;
case KEY_DEL : place=(place>0 ? place - 1 : 0); *(bincod+place) = 0; break;
dprint(1, 1, "%d", freq);
dprint(1, 10, "%s", wave_signal);
//dprint(1, 20, "%d", place);
dtext(1, 50, "F1 _ F2 -");
case KEY_EXE :
timer_start(TIMER_USER, freq*place, Clock_Hz, lect, 2*freq*place);
break;
dupdate();
case KEY_EXIT :
timer_stop(TIMER_USER);
return 1;
key = getkey();
switch(key)
{
case KEY_RIGHT : freq+=1; break;
case KEY_LEFT : freq-=1; break;
case KEY_UP : freq+=10; break;
case KEY_DOWN : freq-=10; break;
//case KEY_F1 : *(bincod+place++) = '_'; break;
//case KEY_F2 : *(bincod+place++) = '-'; break;
//case KEY_DEL : place=(place>0 ? place - 1 : 0); *(bincod+place) = 0; break;
case KEY_EXE :
CallNote();
break;
case KEY_EXIT :
//timer_stop(TIMER_USER);
return 1;
}
}
}
return 1; // this point is never reached
return 1; // this point is never reached
}

109
src/sound4calc.c
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@ -2,45 +2,48 @@
#include <mpu.h> // from Gint
#include <timer.h> //from Gint
char* signal = "-_"; // simple waveform
static struct {
int freq;
int length_ms;
} seq[] = {
{ 440, 500 },
{ 440, 500 },
{ 392, 500 },
{ 349, 500 },
{ -1, -1 }
};
void CallSequence()
{
static int length_end = 0;
static int note = -1 ;
static int length_end = 0;
static int note = -1 ;
if(length_end<=0)
{
note++;
//Stop the timer
if(seq[note].freq < 0)
if(length_end<=0)
{
timer_stop(TIMER_USER);
return;
note++;
//Stop the timer
if(seq[note].freq < 0)
{
timer_stop(TIMER_USER);
return;
}
// update of the number of turn
length_end = seq[note].freq * seq[note].length_ms / 1000;
timer_start(TIMER_USER, 2 * seq[note].freq, Clock_Hz, CallSequence, 0);
}
length_end = seq[note].freq * seq[note].length_ms / 1000;
timer_start(TIMER_USER, 2 * seq[note].freq, Clock_Hz, CallSequence, 0));
}
PlayNote();
length_end--;
PlayNote();
length_end--;
}
void CallNote()
{
unsigned int wavelength = strlen(wave_signal);
timer_start(TIMER_USER, freq * wavelength, Clock_Hz, PlayNote, freq * duration / 1000);
}
/*
PlayNote()
@ -48,11 +51,11 @@ void CallSequence()
*/
void PlayNote()
{
static int x = 0;
static int x = 0;
PutPinState(signal[x]=='-');
x = x + 1;
if(!(signal[x])) x = 0;
PutPinState(wave_signal[x]=='-');
x = x + 1;
if(!(wave_signal[x])) x = 0;
}
/*
@ -68,16 +71,16 @@ void PlayNote()
*/
void PutPinState(char level)
{
level = !!level;
level = !!level;
if(isSH3())
{
*(volatile unsigned char*)SH7337_SCPDR = (*(volatile unsigned char*)SH7337_SCPDR & 0xFE) | level ;
}
else
{
*(volatile unsigned char*)SH7305_PJDR = (*(volatile unsigned char*)SH7305_PJDR & 0xF3) | (0x4 << level);
}
if(isSH3())
{
*(volatile unsigned char*)SH7337_SCPDR = (*(volatile unsigned char*)SH7337_SCPDR & 0xFE) | level ;
}
else
{
*(volatile unsigned char*)SH7305_PJDR = (*(volatile unsigned char*)SH7305_PJDR & 0xF3) | (0x4 << level);
}
}
@ -88,43 +91,43 @@ void PutPinState(char level)
*/
void InitPorts()
{
if(isSH3())
{
if(isSH3())
{
// initialisation of pin
// *(volatile unsigned char*)SH7337_SCPDR |= 0x01;
// SCIF2 clock on (STBCR3.MSTP31)
*(volatile unsigned char*)SH7337_STBCR3 &= ~0x02;
*(volatile unsigned char*)SH7337_STBCR3 &= ~0x02;
// switch off SCSMR_2.TE and SCSMR_2.RE
*(volatile unsigned short*)SH7337_SCSCR2 &= ~0x0030;
*(volatile unsigned short*)SH7337_SCSCR2 &= ~0x0030;
// SCIF2 clock off (STBCR3.MSTP31)
*(volatile unsigned char*)SH7337_STBCR3 |= 0x02;
*(volatile unsigned char*)SH7337_STBCR3 |= 0x02;
// set bit 6 of port G to output mode
*(volatile unsigned short*)SH7337_PGCR = ( *(volatile unsigned short*)SH7337_PGCR & ~0x3000 ) | 0x1000;
*(volatile unsigned short*)SH7337_PGCR = ( *(volatile unsigned short*)SH7337_PGCR & ~0x3000 ) | 0x1000;
// set bit 5 and 6 of port G
*(volatile unsigned char*)SH7337_PGDR |= 0x60;
*(volatile unsigned char*)SH7337_PGDR |= 0x60;
// set port SC bit 0 to output
*(volatile unsigned short*)SH7337_SCPCR = ( *(volatile unsigned short*)SH7337_SCPCR & ~0x0003 ) | 0x0001;
}
else
{
*(volatile unsigned short*)SH7337_SCPCR = ( *(volatile unsigned short*)SH7337_SCPCR & ~0x0003 ) | 0x0001;
}
else
{
// initialisation of pin
// *(volatile unsigned char*)SH7305_PJDR |= 0x04;
// SCIF2 clock on (MSTPCR0.MSTP007)
*(volatile unsigned int*)SH7305_MSTPCR0 &= ~0x00000080;
*(volatile unsigned int*)SH7305_MSTPCR0 &= ~0x00000080;
// switch off SCSMR_2.TE and SCSMR_2.RE
*(volatile unsigned short*)SH7305_SCSCR &= ~0x0030;
*(volatile unsigned short*)SH7305_SCSCR &= ~0x0030;
// SCIF2 clock off (MSTPCR0.MSTP007)
*(volatile unsigned int*)SH7305_MSTPCR0 |= 0x00000080;
*(volatile unsigned int*)SH7305_MSTPCR0 |= 0x00000080;
// set bit 3 of port U to output mode
*(volatile unsigned short*)SH7305_PUCR = ( *(volatile unsigned short*)SH7305_PUCR & ~0x00C0 ) | 0x0040;
*(volatile unsigned short*)SH7305_PUCR = ( *(volatile unsigned short*)SH7305_PUCR & ~0x00C0 ) | 0x0040;
// set bit 4 and 5 of port U
*(volatile unsigned char*)SH7305_PUDR |= 0x0C;
*(volatile unsigned char*)SH7305_PUDR |= 0x0C;
// set port J bit 2 to output
*(unsigned short*)0xA4050110 = ( *(unsigned short*)0xA4050110 & ~0x0030 ) | 0x0010;
*(unsigned short*)0xA4050110 = ( *(unsigned short*)0xA4050110 & ~0x0030 ) | 0x0010;
// set port J bit 3 to input
*(unsigned short*)0xA4050110 = ( *(unsigned short*)0xA4050110 & ~0x00C0 ) | 0x0080;
*(unsigned short*)0xA4050110 = ( *(unsigned short*)0xA4050110 & ~0x00C0 ) | 0x0080;
/*
// set port J bit 2 to output mode
@ -132,5 +135,5 @@ void InitPorts()
// set port J bit 3 to output mode
*(volatile unsigned short*)SH7305_PJCR = ( *(volatile unsigned short*)SH7305_PJCR & ~0x00C0 ) | 0x0040;
*/
}
}
}