weird ring mod shit dude kinda rad, but try and sync a2d to t2 timer

dspic/start.X/include/proj.h

@@ -1,20 +1,22 @@
 //LIMIT 16 DONT FUCK UP 
 #define NUMoBUF(a) ADCON2 |= ((a-1)<<2) 
-#define NoB 8 //ADC BUFFER
-#define NoO 64//IN/OUT DATA BUFFER
+#define NoB 1//ADC BUFFER
+#define NoO 120//IN/OUT DATA BUFFER
 
 extern void W2XS(int, volatile int **);
 extern int RFXS(volatile int **);
 extern void CLYS(volatile int **);
 
+extern int modflag;
+
 void inita2d(void);
 void initPWMdac(void);
 void clearIO(void);
 
 void initModBuff(volatile int *,volatile int *,int,int);
 void setXMOD(int);
-void clearBuff(volatile int *);
-void wbyteBuff(int,volatile int *);
-int  rbyteBuff(volatile int *);
+void clearBuff(volatile int **);
+void wbyteBuff(int,volatile int **);
+int  rbyteBuff(volatile int **);
 
 

dspic/start.X/main.c

@@ -6,7 +6,7 @@
  */
 
 #include "xc.h"
-#include "proj.h"
+#include "include/proj.h"
 
 // DSPIC30F3014 Configuration Bit Settings
 // 'C' source line config statements
@@ -35,53 +35,51 @@
 #define Y_B  0x0C00
 
 #define DEL 32//<NoO
-#define GAIN (1/2)
-#define FDG  (1/2)
+#define GAIN (1/4)
+#define FBG  (1/4)
 //
 
-volatile int __attribute__((address(0x0800))) * x  = (volatile int *) X_B;
-volatile int __attribute__((address(0x0802))) * xo = (volatile int *) X_B;
-volatile int __attribute__((address(0x0804))) * f  = (volatile int *) FDB;
-volatile int __attribute__((address(0x0806))) * fo = (volatile int *) FDB;
-volatile int __attribute__((address(0x0808))) * y  = (volatile int *) Y_B;
-volatile int __attribute__((address(0x080A))) * yo = (volatile int *) Y_B;
-
+volatile int __attribute__((address(0x0900))) * x  = (volatile int *) X_B;
+volatile int __attribute__((address(0x0902))) * xo = (volatile int *) X_B;
+volatile int __attribute__((address(0x0904))) * f  = (volatile int *) FDB;
+volatile int __attribute__((address(0x0906))) * fo = (volatile int *) FDB;
+volatile int __attribute__((address(0x0908))) * y  = (volatile int *) Y_B;
+volatile int __attribute__((address(0x090A))) * yo = (volatile int *) Y_B;
+volatile int currOut = 0;
 void __attribute__((interrupt,auto_psv))_T2Interrupt (void) {
-    OC2RS = rbyteBuff(yo);
-    IFS0 &= 0xFFBF;
+     OC2RS = currOut;
+     IFS0 &= 0xFFBF;
 }
 
 void __attribute__((interrupt,auto_psv))_ADCInterrupt (void) {
     int temp=0;
-    volatile int lastModB;
-    while(!(ADCON1&&0x0001));
-    lastModB = XMODSRT;
-    setXMOD(X_B);
-    for(int i=0;i<NoB; i++) {
-      temp = *((&ADCBUF0)+i) >> 4;
-      W2XS(temp,&x);
-    }
-    setXMOD(lastModB);	
+    if(modflag == 0) {
+     while(!(ADCON1&&0x0001));
+     setXMOD(X_B);
+     for(int i=0;i<NoB; i++) {
+       temp = *((&ADCBUF0)+i) >> 4;
+       W2XS(temp,&x);
+     }
+    }	
     IFS0 &= 0xF7FF;
 }
 
 
 int main(void) { 
-    int currIn,currFeed,currOut = 0;
+    int currIn,currFeed = 0;
     clearIO();
-    initModBuff(x,y,10,11);   
+    initModBuff(x,y,10,11);
+    clearBuff(&f);
     f = f + DEL;
-    clearBuff(f);
     inita2d();
     initPWMdac(); 
 
     while (1) {
-        currIn   = rbyteBuff(xo);
-        currFeed = rbyteBuff(fo);
+        currIn   = rbyteBuff(&xo);
+        currFeed = rbyteBuff(&fo);
         currOut  = currIn + GAIN*currFeed;
         currFeed = currIn + FBG *currFeed;
-        wbyteBuff(currOut,y);
-        wbyteBuff(currFeed,f);
+        wbyteBuff(currFeed,&f);
     }
     return 0;
 }

dspic/start.X/src/init.c

@@ -1,5 +1,5 @@
 #include "xc.h"
-#include "proj.h"
+#include "../include/proj.h"
 
 void clearIO(void) {
 //set all i/o to digital

dspic/start.X/src/modbuf.s

@@ -1,18 +1,18 @@
 .global _W2XS, _RFXS, _CLYS
-_W2XS: //right to x space
+_W2XS: #right to x space
  mov.w [w1], w10
  mov.w w0, [w10++]
  mov.w w10, [w1]
  return
 
-_RFXS: //read from x space
+_RFXS: #read from x space
  mov.w w0, w1
  mov.w [w1], w10
  mov.w [w10++], w0
  mov.w w10, [w1]
  return
 
-_CLYS: //clear y space	
+_CLYS: #clear y space	
  mov.w [w0], w11
  clr   [w11++]
  mov.w w11, [w0]

dspic/start.X/src/modulo.c

@@ -1,15 +1,17 @@
 #include "xc.h"
-#include "proj.h"
+#include "../include/proj.h"
+
+int __attribute__((address(0x090C))) modflag = 0;
 void initModBuff(volatile int * xi, volatile int * yi, int RegX, int RegY) {
-    int mask = 0xC000
+    int mask = 0xC000;
     mask |= RegX;
     mask |= RegY<<4;
 
     XMODSRT = (int) xi;
     XMODEND = ((int) xi)+(NoO*2)-1;
     YMODSRT = (int) yi;
     YMODEND = ((int) yi)+(NoO*2)-1;
-    MODCON  = MASK;
+    MODCON  = mask;
     asm ("nop");
 
     for(int i=0; i<NoO; i++) {
@@ -18,28 +20,26 @@ void initModBuff(volatile int * xi, volatile int * yi, int RegX, int RegY) {
     }
 }
 void setXMOD(int buff) {
-	XMODSRT = buff;
-        XMODEND = buff + (NoO*2)-1;
-        asm ("nop");   
+    XMODSRT = (buff&0xF00);
+    XMODEND = (buff&0xF00) + (NoO*2)-1;
+    asm ("nop");   
 }
-void clearBuff(volatile int * buff) {
-	setXMOD((int) buff);
-        for(int i=0; i<NoO;i++)
-          W2XS(0,&buff);
+void clearBuff(volatile int ** buff) {
+	setXMOD((int) *buff);
+    for(int i=0; i<NoO;i++)
+       W2XS(0,buff);
 }
-void wbyteBuff(int val, volatile int * buff) {
-        volatile int lastModB;
-        lastModB = XMODSRT;
-	setXMOD((int) buff);
-        W2XS(val,&buff);
-        setXMOD(lastModB);
+void wbyteBuff(int val, volatile int ** buff) {
+	modflag = 1;
+    setXMOD((int) *buff);
+    W2XS(val,buff);
+    modflag = 0;
 }
-int  rbyteBuff(volatile int * buff) {
-        volatile int lastModB;
-        int temp;
-        lastModB = XMODSRT;
-	setXMOD((int) buff);
-        temp = RFXS(&buff);
-        setXMOD(lastModB);
-        return temp;
+int  rbyteBuff(volatile int ** buff) {
+     int temp;
+     modflag = 1;
+	 setXMOD((int) *buff);
+     temp = RFXS(buff);
+     modflag = 0;
+     return temp;
 }