int ParamDialog(tParam *p, tComplex *c){
//if failure: 0
//else 1
DisplayParam(p, c);
printf("Sollen Parameter geändert werden?\n(j) Ja, bitte.\n(n) Nein, danke.\n(e) Programm beenden!");
switch (InputChar()){
case 'j':
do {
ChangeParam(p, c); //Vllt sollte man eine maxAnzahl an Versuchen in Erwähgung ziehen?
} while(validation(p,c) == 0); //Schleife wird erst verlassen, wenn Werte Sinn machen.
return 1;
break;
case 'n':
return 1;
break;
case 'e':
return 0;
break;
}
return 0;
}
void PARAMETERS_parser(uint8_t* PARAMETERS_buffer, uint8_t nb_PARAMETERS_bytes)
{
static uint8_t index = 0;
static uint8_t state = 0;
static uint8_t state_number = 0;
static uint8_t PARAM_TYPE, PARAM_VALUE;
uint8_t PARAMETER_byte;
uint16_t PB_wheel;
// Process message
while (nb_PARAMETERS_bytes != 0)
{
// Read a new byte from the MIDI buffer
PARAMETER_byte = PARAMETERS_buffer[index];
// printf("\n\n %c --> %d ",PARAMETER_byte,PARAMETER_byte);
switch (state)
{
// State 0 = Starting point for a new PARAMETER message
case 0 :
{
switch (PARAMETER_byte )
{
case '#' : // Note ON message
{
state = 1; // Next state is 10
state_number =0;
// printf ("parameter # event\n");
if (index == (PARAMETERS_BUFFER_LENGTH-1)) index = 0; // Move to next MIDI byte
else index ++;
nb_PARAMETERS_bytes--;
break;
}
default : // Other type of message, move to next byte but stays in state 0
{
if (index == (PARAMETERS_BUFFER_LENGTH-1)) index = 0; // Move to next MIDI byte
else index ++;
nb_PARAMETERS_bytes--;
state = 0;
break;
}
}
}break;
// State 1: ID_NUMBER
case 1 :
{
if (PARAMETER_byte>= '0' && PARAMETER_byte<= '9') // If the following byte is not a note number
{
state = 1;
TempStr[state_number]= PARAMETER_byte; // Return to state 0 without moving to next byte
state_number++;
}else{
state =0;
}
if (index == (PARAMETERS_BUFFER_LENGTH-1))
index = 0; // Move to next MIDI byte
else
index ++;
nb_PARAMETERS_bytes--;
if(state_number == 3)
{
TempStr[state_number]= '\0';
PARAM_TYPE = decdec(TempStr);
if(PARAM_TYPE == -1)
state= 0;
else
state =2;
}
}break;
case 2 :
{
switch (PARAMETER_byte )
{
case ':' : // Note ON message
{
state = 3; // Next state is 10
state_number =0;
// printf ("parameter : event\n");
if (index == (PARAMETERS_BUFFER_LENGTH-1)) index = 0; // Move to next MIDI byte
else index ++;
nb_PARAMETERS_bytes--;
break;
}
default : // Other type of message, move to next byte but stays in state 0
{
if (index == (PARAMETERS_BUFFER_LENGTH-1)) index = 0; // Move to next MIDI byte
else index ++;
nb_PARAMETERS_bytes--;
state = 0;
break;
}
}
}break;
// State 3: VALUE_NUMBER
case 3 :
{
if (PARAMETER_byte>= '0' && PARAMETER_byte<= '9') // If the following byte is not a note number
{
state = 3; // Return to state 0 without moving to next byte
TempStr[state_number]= PARAMETER_byte;
state_number++;
}else{
state =0;
}
if (index == (PARAMETERS_BUFFER_LENGTH-1))
index = 0; // Move to next MIDI byte
else
index ++;
nb_PARAMETERS_bytes--;
if(state_number == 3)
{
TempStr[state_number]= '\0';
PARAM_VALUE = decdec(TempStr);
if(PARAM_VALUE == -1)
state= 0;
else
state =2;
state =4;
}
}break;
case 4 :
{
switch (PARAMETER_byte )
{
case ';' : // Note ON message
{
state = 0;
// printf ("parameter ; event\n");
// printf ("\nCC %d; %d",PARAM_TYPE,PARAM_VALUE);
ChangeParam(PARAM_TYPE,PARAM_VALUE);
if (index == (PARAMETERS_BUFFER_LENGTH-1)) index = 0; // Move to next MIDI byte
else index ++;
nb_PARAMETERS_bytes--;
break;
}
default : // Other type of message, move to next byte but stays in state 0
{
if (index == (PARAMETERS_BUFFER_LENGTH-1)) index = 0; // Move to next MIDI byte
else index ++;
nb_PARAMETERS_bytes--;
state = 0;
break;
}
}
}break;
}
}
}
