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Karsten Wiese <annabellesgarden@yahoo.de>:

Browse source 
This has more features:
- PCM-Volume adjusted to MasteVolumeSlider setting at device start.
- Direct Monitoring Functions adjustable directly on the US428
- Alsa Sequencer Output port for applications to receive the US428 sliders
etc.
This commit is contained in:
Takashi Iwai 2003-10-24 14:01:45 +00:00
parent 08f4ff3ade
commit 4e978a5a7e
10 changed files with 369 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

74
us428control/usbus428ctldefs.h
View file

@ -17,7 +17,12 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
enum E_In84{
#ifdef __cplusplus
#include <string.h>
extern int verbose;
#endif
enum E_In84 {
eFader0 = 0,
eFader1,
eFader2,
@ -76,18 +81,63 @@ enum {
};
typedef struct usX2Y_volume {
unsigned char Channel,
LH,
LL,
RH,
RL;
unsigned char Channel,
LH,
LL,
RH,
RL;
unsigned char Slider;
char Pan,
Mute;
#ifdef __cplusplus
public:
void init(unsigned char _Channel) {
memset(this, 0, sizeof(*this));
Channel = _Channel;
}
int Scale(){return 0x40;}
void calculate() {
int lPan = (int)Pan * Slider / 0x80;
int ValL = (Slider - lPan) * Scale();
LH = ValL >> 8;
LL = ValL;
int ValR = (Slider + lPan) * Scale();
RH = ValR >> 8;
RL = ValR;
if (2 < verbose)
printf("S=% 3i, P=% 3i, lP=% 3i, VL=%05i, VR=%05i\n", (int)Slider, (int)Pan, (int)lPan, ValL, ValR);
}
void SetTo(unsigned char _Channel, int RawValue){
Slider = RawValue;
Channel = eFaderM == _Channel ? 4 : _Channel;
LH = RH = (RawValue *= Scale()) >> 8;
LL = RL = RawValue;
calculate();
}
void PanTo(int RawValue, bool Grob) {
int NewPan;
if (Grob) {
static int GrobVals[] = {-128, -64, 0, 64, 127};
int i = 4;
while (i >= 0 && GrobVals[i] > Pan)
i--;
if (GrobVals[i] != Pan && RawValue < 0)
i++;
if (i >= 0) {
if ((i += RawValue) >= 0 && i < 5)
NewPan = GrobVals[i];
else
return;
}
} else {
NewPan = Pan + RawValue;
}
if (NewPan < -128 || NewPan > 127)
return;
Pan = NewPan;
calculate();
}
#endif
} usX2Y_volume_t;
@ -97,16 +147,18 @@ struct us428_lights{
#ifdef __cplusplus
public:
enum eLight{
eL_Select0 = 0,
eL_Mute0 = 16,
eL_InputMonitor = 25
};
bool LightIs(eLight L){
bool LightIs(int L){
return Light[L / 8].Value & (1 << (L % 8));
}
void LightSet(eLight L, bool Value){
void LightSet(int L, bool Value){
if (Value)
Light[L / 8].Value |= (1 << (L % 8));
else
Light[L / 8].Value &= (~1 << (L % 8));
Light[L / 8].Value &= ~(1 << (L % 8));
}
void init_us428_lights();
#endif