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slsDetectorPackage/slsDetectorSoftware/mythenDetectorServer/firmware_funcs.c

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#ifndef PICASSOD
#include "server_defs.h"
#else
#include "picasso_defs.h"
#endif
#include "firmware_funcs.h"
#include "mcb_funcs.h"
#include "registers.h"
#ifdef SHAREDMEMORY
#include "sharedmemory.h"
#endif
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/stat.h>
#include <stdlib.h>
//#define VERBOSE
//for memory mapping
u_int64_t CSP0BASE;
FILE *debugfp, *datafp;
int fr;
int wait_time;
int *fifocntrl;
int *values;
int *statusreg;
const int nModY=1;
int nModBoard;
int nModX=NMAXMOD;
int dynamicRange=32;
int dataBytes=NMAXMOD*NCHIP*NCHAN*4;
int storeInRAM=0;
int *ram_values=NULL;
char *now_ptr=NULL;
int ram_size=0;
int64_t totalTime=1;
u_int32_t progressMask=0;
int ififostart, ififostop, ififostep, ififo;
int masterMode=NO_MASTER, syncMode=NO_SYNCHRONIZATION, timingMode=AUTO_TIMING;
enum externalSignalFlag signals[4]={GATE_IN_ACTIVE_HIGH, TRIGGER_IN_RISING_EDGE, SIGNAL_OFF, SIGNAL_OFF};
#ifdef MCB_FUNCS
extern const int nChans;
extern const int nChips;
extern const int nDacs;
extern const int nAdcs;
#endif
#ifndef MCB_FUNCS
const int nChans=NCHAN;
const int nChips=NCHIP;
const int nDacs=NDAC;
const int nAdcs=NADC;
#endif
//int mybyte;
//int mysize=dataBytes/8;
int mapCSP0(void) {
printf("Mapping memory\n");
#ifndef VIRTUAL
int fd;
fd = open("/dev/mem", O_RDWR | O_SYNC, 0);
if (fd == -1) {
printf("\nCan't find /dev/mem!\n");
return FAIL;
}
printf("/dev/mem opened\n");
CSP0BASE = (u_int32_t)mmap(0, MEM_SIZE, PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED, fd, CSP0);
if (CSP0BASE == (u_int32_t)MAP_FAILED) {
printf("\nCan't map memmory area!!\n");
return FAIL;
}
printf("CSP0 mapped\n");
#endif
#ifdef VIRTUAL
CSP0BASE = malloc(MEM_SIZE);
printf("memory allocated\n");
#endif
#ifdef SHAREDMEMORY
if ( (res=inism(SMSV))<0) {
printf("error attaching shared memory! %i",res);
return FAIL;
}
#endif
printf("CSPOBASE=from %08x to %x\n",CSP0BASE,CSP0BASE+MEM_SIZE);
values=(u_int32_t*)(CSP0BASE+FIFO_DATA_REG_OFF);
printf("values=%08x\n",values);
fifocntrl=(u_int32_t*)(CSP0BASE+FIFO_CNTRL_REG_OFF);
printf("fifcntrl=%08x\n",fifocntrl);
statusreg=(u_int32_t*)(CSP0BASE+STATUS_REG);
printf("statusreg=%08x\n",statusreg);
return OK;
}
u_int32_t bus_w(u_int32_t offset, u_int32_t data) {
u_int32_t *ptr1;
ptr1=(u_int32_t*)(CSP0BASE+offset);
*ptr1=data;
return OK;
}
u_int32_t bus_r(u_int32_t offset) {
u_int32_t *ptr1;
ptr1=(u_int32_t*)(CSP0BASE+offset);
return *ptr1;
}
// direct pattern output
u_int32_t putout(char *s, int modnum) {
int i;
u_int32_t pat;
int addr;
if (strlen(s)<16) {
fprintf(stdout," *** putout error: incorrect pattern length ***\n");
fprintf(stdout," %s \n",s);
return FAIL;
}
pat=0;
for (i=0;i<16;i++) {
if (s[i]=='1') pat=pat+(1<<i);
}
//addr=MCB_CNTRL_REG_OFF+(modnum<<4);
addr=MCB_CNTRL_REG_OFF+(modnum<<SHIFTMOD);
bus_w(addr, pat);
return OK;
}
// read direct input
u_int32_t readin(int modnum) {
int addr;
u_int32_t val;
//addr=MCB_DOUT_REG_OFF+(modnum<<4);
addr=MCB_DOUT_REG_OFF+(modnum<<SHIFTMOD);
#ifndef PICASSOD
val=bus_r(addr) & 0x3ff; //anna (MYTHEN: reads direct input for 10 chips per module)
#else
val=bus_r(addr) & 0xfff; //frances. despite changed, errors still in the ShiftStSel, shiftIn and shiftOut.
#endif
return val;
}
u_int32_t setClockDivider(int d) {
u_int32_t c;
c=bus_r(SPEED_REG);
bus_w(SPEED_REG,(d<<CLK_DIVIDER_OFFSET)|(c&~(CLK_DIVIDER_MASK)));
return ((bus_r(SPEED_REG)& CLK_DIVIDER_MASK)>>CLK_DIVIDER_OFFSET);
}
u_int32_t getClockDivider() {
u_int32_t clk_div;
clk_div=((bus_r(SPEED_REG)&CLK_DIVIDER_MASK)>>CLK_DIVIDER_OFFSET);
return clk_div;
}
u_int32_t setSetLength(int d) {
u_int32_t c;
c=bus_r(SPEED_REG);
bus_w(SPEED_REG,(d<<SET_LENGTH_OFFSET)|(c&~(SET_LENGTH_MASK)));
return ((bus_r(SPEED_REG)& SET_LENGTH_MASK)>>SET_LENGTH_OFFSET);
}
u_int32_t getSetLength() {
u_int32_t clk_div;
clk_div=((bus_r(SPEED_REG)& SET_LENGTH_MASK)>>SET_LENGTH_OFFSET);
return clk_div;
}
u_int32_t setWaitStates(int d1) {
u_int32_t c;
int d=d1-2;
//int d=d1-3;
char cmd[100];
if (d1<=0xf) {
sprintf(cmd,"bus -a 0xb0000000 -w 0x%x0008",d1);
c=bus_r(SPEED_REG);
bus_w(SPEED_REG,(d<<WAIT_STATES_OFFSET)|(c&~(WAIT_STATES_MASK)));
system(cmd);
}
return ((bus_r(SPEED_REG)& WAIT_STATES_MASK)>>WAIT_STATES_OFFSET)+2;
}
u_int32_t getWaitStates() {
u_int32_t clk_div;
clk_div=((bus_r(SPEED_REG)& WAIT_STATES_MASK)>>WAIT_STATES_OFFSET);
return clk_div+2;
}
u_int32_t setTotClockDivider(int d) {
u_int32_t c;
c=bus_r(SPEED_REG);
bus_w(SPEED_REG,(d<<TOTCLK_DIVIDER_OFFSET)|(c&~(TOTCLK_DIVIDER_MASK)));
return ((bus_r(SPEED_REG)& TOTCLK_DIVIDER_MASK)>>TOTCLK_DIVIDER_OFFSET);
}
u_int32_t getTotClockDivider() {
u_int32_t clk_div;
clk_div=((bus_r(SPEED_REG)&TOTCLK_DIVIDER_MASK)>>TOTCLK_DIVIDER_OFFSET);
return clk_div;
}
u_int32_t setTotDutyCycle(int d) {
u_int32_t c;
c=bus_r(SPEED_REG);
bus_w(SPEED_REG,(d<<TOTCLK_DUTYCYCLE_OFFSET)|(c&~(TOTCLK_DUTYCYCLE_MASK)));
return ((bus_r(SPEED_REG)& TOTCLK_DUTYCYCLE_MASK)>>TOTCLK_DUTYCYCLE_OFFSET);
}
u_int32_t getTotDutyCycle() {
u_int32_t clk_div;
clk_div=((bus_r(SPEED_REG)&TOTCLK_DUTYCYCLE_MASK)>>TOTCLK_DUTYCYCLE_OFFSET);
return clk_div;
}
u_int32_t setExtSignal(int d, enum externalSignalFlag mode) {
// int modes[]={EXT_SIG_OFF, EXT_GATE_IN_ACTIVEHIGH, EXT_GATE_IN_ACTIVELOW,EXT_TRIG_IN_RISING,EXT_TRIG_IN_FALLING,EXT_RO_TRIG_IN_RISING, EXT_RO_TRIG_IN_FALLING,EXT_GATE_OUT_ACTIVEHIGH, EXT_GATE_OUT_ACTIVELOW, EXT_TRIG_OUT_RISING, EXT_TRIG_OUT_FALLING, EXT_RO_TRIG_OUT_RISING, EXT_RO_TRIG_OUT_FALLING};
u_int32_t c;
// int off=d*SIGNAL_OFFSET;
c=bus_r(EXT_SIGNAL_REG);
if (d>=0 && d<4) {
signals[d]=mode;
#ifdef VERBOSE
printf("settings signal variable number %d to value %04x\n", d, signals[d]);
#endif
// if output signal, set it!
switch (mode) {
case GATE_IN_ACTIVE_HIGH:
case GATE_IN_ACTIVE_LOW:
if (timingMode==GATE_FIX_NUMBER || timingMode==GATE_WITH_START_TRIGGER)
setFPGASignal(d,mode);
else
setFPGASignal(d,SIGNAL_OFF);
break;
case TRIGGER_IN_RISING_EDGE:
case TRIGGER_IN_FALLING_EDGE:
if (timingMode==TRIGGER_EXPOSURE || timingMode==GATE_WITH_START_TRIGGER)
setFPGASignal(d,mode);
else
setFPGASignal(d,SIGNAL_OFF);
break;
case RO_TRIGGER_IN_RISING_EDGE:
case RO_TRIGGER_IN_FALLING_EDGE:
if (timingMode==TRIGGER_READOUT)
setFPGASignal(d,mode);
else
setFPGASignal(d,SIGNAL_OFF);
break;
case MASTER_SLAVE_SYNCHRONIZATION:
setSynchronization(syncMode);
break;
default:
setFPGASignal(d,mode);
}
setTiming(GET_EXTERNAL_COMMUNICATION_MODE);
}
return getExtSignal(d);
}
u_int32_t setFPGASignal(int d, enum externalSignalFlag mode) {
int modes[]={SIGNAL_OFF, GATE_IN_ACTIVE_HIGH, GATE_IN_ACTIVE_LOW,TRIGGER_IN_RISING_EDGE, TRIGGER_IN_FALLING_EDGE,RO_TRIGGER_IN_RISING_EDGE, RO_TRIGGER_IN_FALLING_EDGE, GATE_OUT_ACTIVE_HIGH, GATE_OUT_ACTIVE_LOW, TRIGGER_OUT_RISING_EDGE, TRIGGER_OUT_FALLING_EDGE, RO_TRIGGER_OUT_RISING_EDGE,RO_TRIGGER_OUT_FALLING_EDGE};
// int modes[]={EXT_SIG_OFF, EXT_GATE_IN_ACTIVEHIGH, EXT_GATE_IN_ACTIVELOW,EXT_TRIG_IN_RISING,EXT_TRIG_IN_FALLING,EXT_RO_TRIG_IN_RISING, EXT_RO_TRIG_IN_FALLING,EXT_GATE_OUT_ACTIVEHIGH, EXT_GATE_OUT_ACTIVELOW, EXT_TRIG_OUT_RISING, EXT_TRIG_OUT_FALLING, EXT_RO_TRIG_OUT_RISING, EXT_RO_TRIG_OUT_FALLING};
u_int32_t c;
int off=d*SIGNAL_OFFSET;
c=bus_r(EXT_SIGNAL_REG);
if (mode<=RO_TRIGGER_OUT_FALLING_EDGE && mode>=0) {
#ifdef VERBOSE
printf("writing signal register number %d mode %04x\n",d, modes[mode]);
#endif
bus_w(EXT_SIGNAL_REG,((modes[mode])<<off)|(c&~(SIGNAL_MASK<<off)));
}
return getExtSignal(d);
}
int getExtSignal(int d) {
/* int modes[]={SIGNAL_OFF, GATE_IN_ACTIVE_HIGH, GATE_IN_ACTIVE_LOW,TRIGGER_IN_RISING_EDGE, TRIGGER_IN_FALLING_EDGE,RO_TRIGGER_IN_RISING_EDGE, RO_TRIGGER_IN_FALLING_EDGE, GATE_OUT_ACTIVE_HIGH, GATE_OUT_ACTIVE_LOW, TRIGGER_OUT_RISING_EDGE, TRIGGER_OUT_FALLING_EDGE, RO_TRIGGER_OUT_RISING_EDGE,RO_TRIGGER_OUT_FALLING_EDGE}; */
/* int off=d*SIGNAL_OFFSET; */
/* int mode=((bus_r(EXT_SIGNAL_REG)&(SIGNAL_MASK<<off))>>off); */
/* if (mode<RO_TRIGGER_OUT_FALLING_EDGE) */
/* return modes[mode]; */
/* else */
/* return -1; */
if (d>=0 && d<4) {
#ifdef VERBOSE
printf("gettings signal variable number %d value %04x\n", d, signals[d]);
#endif
return signals[d];
} else
return -1;
}
int getFPGASignal(int d) {
int modes[]={SIGNAL_OFF, GATE_IN_ACTIVE_HIGH, GATE_IN_ACTIVE_LOW,TRIGGER_IN_RISING_EDGE, TRIGGER_IN_FALLING_EDGE,RO_TRIGGER_IN_RISING_EDGE, RO_TRIGGER_IN_FALLING_EDGE, GATE_OUT_ACTIVE_HIGH, GATE_OUT_ACTIVE_LOW, TRIGGER_OUT_RISING_EDGE, TRIGGER_OUT_FALLING_EDGE, RO_TRIGGER_OUT_RISING_EDGE,RO_TRIGGER_OUT_FALLING_EDGE};
int off=d*SIGNAL_OFFSET;
int mode=((bus_r(EXT_SIGNAL_REG)&(SIGNAL_MASK<<off))>>off);
if (mode<=RO_TRIGGER_OUT_FALLING_EDGE) {
if (modes[mode]!=SIGNAL_OFF && signals[d]!=MASTER_SLAVE_SYNCHRONIZATION)
signals[d]=modes[mode];
#ifdef VERBOSE
printf("gettings signal register number %d value %04x\n", d, modes[mode]);
#endif
return modes[mode];
} else
return -1;
}
/*
enum externalCommunicationMode{
GET_EXTERNAL_COMMUNICATION_MODE,
AUTO,
TRIGGER_EXPOSURE_SERIES,
TRIGGER_EXPOSURE_BURST,
TRIGGER_READOUT,
TRIGGER_COINCIDENCE_WITH_INTERNAL_ENABLE,
GATE_FIX_NUMBER,
GATE_FIX_DURATION,
GATE_WITH_START_TRIGGER,
GATE_COINCIDENCE_WITH_INTERNAL_ENABLE
};
*/
int setTiming(int ti) {
int ret=GET_EXTERNAL_COMMUNICATION_MODE;
int g=-1, t=-1, rot=-1;
int i;
printf("*********************************Setting timing mode %d!\n", ti);
switch (ti) {
case AUTO_TIMING:
timingMode=ti;
// disable all gates/triggers in except if used for master/slave synchronization
for (i=0; i<4; i++) {
if (getFPGASignal(i)>0 && getFPGASignal(i)<GATE_OUT_ACTIVE_HIGH && signals[i]!=MASTER_SLAVE_SYNCHRONIZATION)
setFPGASignal(i,SIGNAL_OFF);
}
break;
case TRIGGER_EXPOSURE:
timingMode=ti;
// if one of the signals is configured to be trigger, set it and unset possible gates
for (i=0; i<4; i++) {
if (signals[i]==TRIGGER_IN_RISING_EDGE || signals[i]==TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,signals[i]);
else if (signals[i]==GATE_IN_ACTIVE_HIGH || signals[i]==GATE_IN_ACTIVE_LOW)
setFPGASignal(i,SIGNAL_OFF);
else if (signals[i]==RO_TRIGGER_IN_RISING_EDGE || signals[i]==RO_TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,SIGNAL_OFF);
}
break;
case TRIGGER_READOUT:
timingMode=ti;
// if one of the signals is configured to be trigger, set it and unset possible gates
for (i=0; i<4; i++) {
if (signals[i]==RO_TRIGGER_IN_RISING_EDGE || signals[i]==RO_TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,signals[i]);
else if (signals[i]==GATE_IN_ACTIVE_HIGH || signals[i]==GATE_IN_ACTIVE_LOW)
setFPGASignal(i,SIGNAL_OFF);
else if (signals[i]==TRIGGER_IN_RISING_EDGE || signals[i]==TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,SIGNAL_OFF);
}
break;
case GATE_FIX_NUMBER:
timingMode=ti;
printf("*********************************Setting gating!\n");
// if one of the signals is configured to be trigger, set it and unset possible gates
for (i=0; i<4; i++) {
if (signals[i]==RO_TRIGGER_IN_RISING_EDGE || signals[i]==RO_TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,SIGNAL_OFF);
else if (signals[i]==GATE_IN_ACTIVE_HIGH || signals[i]==GATE_IN_ACTIVE_LOW)
setFPGASignal(i,signals[i]);
else if (signals[i]==TRIGGER_IN_RISING_EDGE || signals[i]==TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,SIGNAL_OFF);
}
break;
case GATE_WITH_START_TRIGGER:
timingMode=ti;
for (i=0; i<4; i++) {
if (signals[i]==RO_TRIGGER_IN_RISING_EDGE || signals[i]==RO_TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,SIGNAL_OFF);
else if (signals[i]==GATE_IN_ACTIVE_HIGH || signals[i]==GATE_IN_ACTIVE_LOW)
setFPGASignal(i,signals[i]);
else if (signals[i]==TRIGGER_IN_RISING_EDGE || signals[i]==TRIGGER_IN_FALLING_EDGE)
setFPGASignal(i,signals[i]);
}
break;
default:
;
}
for (i=0; i<4; i++) {
if (signals[i]!=MASTER_SLAVE_SYNCHRONIZATION) {
if (getFPGASignal(i)==RO_TRIGGER_IN_RISING_EDGE || getFPGASignal(i)==RO_TRIGGER_IN_FALLING_EDGE)
rot=i;
else if (getFPGASignal(i)==GATE_IN_ACTIVE_HIGH || getFPGASignal(i)==GATE_IN_ACTIVE_LOW)
g=i;
else if (getFPGASignal(i)==TRIGGER_IN_RISING_EDGE || getFPGASignal(i)==TRIGGER_IN_FALLING_EDGE)
t=i;
}
}
if (g>=0 && t>=0 && rot<0) {
ret=GATE_WITH_START_TRIGGER;
} else if (g<0 && t>=0 && rot<0) {
ret=TRIGGER_EXPOSURE;
} else if (g>=0 && t<0 && rot<0) {
ret=GATE_FIX_NUMBER;
} else if (g<0 && t<0 && rot>0) {
ret=TRIGGER_READOUT;
} else if (g<0 && t<0 && rot<0) {
ret=AUTO_TIMING;
}
// timingMode=ret;
return ret;
}
int setConfigurationRegister(int d) {
#ifdef VERBOSE
printf("Setting configuration register to %x",d);
#endif
if (d>=0) {
bus_w(CONFIG_REG,d);
}
#ifdef VERBOSE
printf("configuration register is %x", bus_r(CONFIG_REG));
#endif
return bus_r(CONFIG_REG);
}
int setToT(int d) {
// int ret=0;
int reg;
#ifdef VERBOSE
printf("Setting ToT to %d\n",d);
#endif
reg=bus_r(CONFIG_REG);
#ifdef VERBOSE
printf("Before: ToT is %x\n", reg);
#endif
if (d>0) {
bus_w(CONFIG_REG,reg|TOT_ENABLE_BIT);
} else if (d==0) {
bus_w(CONFIG_REG,reg&(~TOT_ENABLE_BIT));
}
reg=bus_r(CONFIG_REG);
#ifdef VERBOSE
printf("ToT is %x\n", reg);
#endif
if (reg&TOT_ENABLE_BIT)
return 1;
else
return 0;
}
int setContinousReadOut(int d) {
// int ret=0;
int reg;
#ifdef VERBOSE
printf("Setting Continous readout to %d\n",d);
#endif
reg=bus_r(CONFIG_REG);
#ifdef VERBOSE
printf("Before: Continous readout is %x\n", reg);
#endif
if (d>0) {
bus_w(CONFIG_REG,reg|CONT_RO_ENABLE_BIT);
} else if (d==0) {
bus_w(CONFIG_REG,reg&(~CONT_RO_ENABLE_BIT));
}
reg=bus_r(CONFIG_REG);
#ifdef VERBOSE
printf("Continous readout is %x\n", reg);
#endif
if (reg&CONT_RO_ENABLE_BIT)
return 1;
else
return 0;
}
u_int64_t getMcsNumber() {
FILE *fp=NULL;
u_int64_t res;
char line[150];
int a[6];
int n=0, i;
//u_int64_t a0,a1,a2,a3,a4,a5,n=0;
fp=fopen("/etc/conf.d/mac","r");
if (fp==NULL) {
printf("could not ope MAC file\n");;
return -1;
}
while (fgets(line,150,fp)) {
//MAC="00:40:8C:CD:00:00"
printf(line);
if (strstr(line,"MAC="))
n=sscanf(line,"MAC=\"%x:%x:%x:%x:%x:%x\"",a+5,a+4,a+3,a+2,a+1,a);
}
fclose(fp);
if (n!=6){
printf("could not scan MAC address\n");;
return -1;
}
res=0;
for (i=0; i<n; i++) {
res=(res<<8)+a[n-1-i];
}
return res;
}
u_int32_t getMcsVersion() {
return bus_r(FPGA_VERSION_REG);
//return MCSVERSION;
}
// for fpga test
u_int32_t testFpga(void) {
u_int32_t val;
int result=OK;
//while (1) {
//fixed pattern
val=bus_r(FIX_PATT_REG);
if (val==FIXED_PATT_VAL) {
printf("fixed pattern ok!! %08x\n",val);
} else {
printf("fixed pattern wrong!! %08x\n",val);
result=FAIL;
// return FAIL;
}
//FPGA code version
val=bus_r(FPGA_VERSION_REG)&0x00ffffff;
if (val>=(FPGA_VERSION_VAL&0x00ffffff)) {
printf("FPGA version ok!! %06x\n",val);
} else {
printf("FPGA version too old! %06x\n",val);
return FAIL;
}
//dummy register
val=0xF0F0F0F0;
bus_w(DUMMY_REG, val);
val=bus_r(DUMMY_REG);
if (val==0xF0F0F0F0) {
printf("FPGA dummy register ok!! %x\n",val);
} else {
printf("FPGA dummy register wrong!! %x instead of 0xF0F0F0F0 \n",val);
result=FAIL;
// return FAIL;
}
//dummy register
val=0x0F0F0F0F;
bus_w(DUMMY_REG, val);
val=bus_r(DUMMY_REG);
if (val==0x0F0F0F0F) {
printf("FPGA dummy register ok!! %x\n",val);
} else {
printf("FPGA dummy register wrong!! %x instead of 0x0F0F0F0F \n",val);
result=FAIL;
// return FAIL;
}
// }
return result;
}
// for fpga test
u_int32_t testRAM(void) {
int result=OK;
int i=0;
allocateRAM();
// while(i<100000) {
memcpy(ram_values, values, dataBytes);
printf ("%d: copied fifo %x to memory %x size %d\n",i++, values, ram_values, dataBytes);
// }
return result;
}
int getNModBoard() {
int nmodboard;
u_int32_t val;
val=bus_r(FPGA_VERSION_REG)&0xff000000;
// printf("version register %08x\n",val);
nmodboard=val >> 24;
#ifdef VERY_VERBOSE
printf("The board hosts %d modules\n",nmodboard);
#endif
nModBoard=nmodboard;
//getNModBoard()=nmodboard;
return nmodboard;
}
int setNMod(int n) {
// int fifo;
// int ifsta, ifsto, ifste;
int imod;
int rval;
int reg;
int nf=0;
int shiftfifo=SHIFTFIFO;
int ntot=getNModBoard();
if (getProbes()==0) {
switch (dynamicRange) {
case 16:
shiftfifo=SHIFTFIFO-1;
break;
case 8:
shiftfifo=SHIFTFIFO-2;
break;
case 4:
shiftfifo=SHIFTFIFO-3;
break;
case 1:
shiftfifo=SHIFTFIFO-5;
break;
default:
shiftfifo=SHIFTFIFO;
}
} else
shiftfifo=SHIFTFIFO;
//#ifdef VERBOSE
printf("SetNMod called arg %d -- dr %d shiftfifo %d\n",n,dynamicRange,shiftfifo);
//#endif
if (n>=0 && n<=ntot) {
nModX=n;
/*d isable the fifos relative to the unused modules */
for (ififo=0; ififo<ntot*NCHIP; ififo++) {
reg=bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo));
if (ififo<n*NCHIP) {
if (reg&FIFO_DISABLED_BIT) {
bus_w(FIFO_CNTRL_REG_OFF+(ififo<<shiftfifo), FIFO_DISABLE_TOGGLE_BIT);
#ifdef VERBOSE
// if (bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo))&FIFO_DISABLED_BIT) {
printf("Fifo %d is %x (nm %d nc %d addr %08x)",ififo,reg, (reg&FIFO_NM_MASK)>>FIFO_NM_OFF, (reg&FIFO_NC_MASK)>>FIFO_NC_OFF, FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo));
printf(" enabling %08x\n",bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo)));
// }
#endif
}
//#ifdef VERBOSE
//else printf(" unmodified ",ififo,reg);
//#endif
} else {
if ((reg&FIFO_ENABLED_BIT)) {
bus_w(FIFO_CNTRL_REG_OFF+(ififo<<shiftfifo), FIFO_DISABLE_TOGGLE_BIT);
#ifdef VERBOSE
// if ((bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo))&FIFO_ENABLED_BIT)) {
printf("Fifo %d is %x (nm %d nc %d addr %08x)",ififo,reg, (reg&FIFO_NM_MASK)>>FIFO_NM_OFF, (reg&FIFO_NC_MASK)>>FIFO_NC_OFF, FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo));
printf(" disabling %08x\n",bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo)));
// }
#endif
}
//#ifdef VERBOSE
//else printf(" unmodified ",ififo,reg);
//#endif
}
//#ifdef VERBOSE
//printf(" done %x\n",bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo)));
//#endif
}
}
// ifste=dynamicRange/32;
nModX=0;
nf=0;
for (imod=0; imod<ntot; imod++) {
rval=0;
for (ififo=imod*NCHIP; ififo<(imod+1)*NCHIP; ififo++) {
bus_w(FIFO_CNTRL_REG_OFF+(ififo<<shiftfifo), FIFO_RESET_BIT);
#ifdef VERBOSE
printf("%08x ",(bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo))));
#endif
if ((bus_r(FIFO_COUNTR_REG_OFF+(ififo<<shiftfifo))&FIFO_ENABLED_BIT)){
rval=1; // checks if at least one fifo of the module is enabled
#ifdef VERBOSE
printf("Fifo %d is enabled\n",ififo);
#endif
nf++;
}
#ifdef VERBOSE
else printf("Fifo %d is disabled\n",ififo);
#endif
}
if (rval) {
nModX++;
#ifdef VERBOSE
printf("Module %d is enabled --total %d (%d fifos)\n",imod,nModX,nf );
#endif
}
#ifdef VERBOSE
else printf("Module %d is disabled --total %d (%d fifos)\n",imod,nModX,nf );
#endif
}
#ifdef VERBOSE
printf("There are %d modules enabled (%d fifos)\n",nModX, nf);
#endif
getDynamicRange();
return nModX;
}
// fifo test
u_int32_t testFifos(void) {
printf("Fifo test not implemented!\n");
bus_w(CONTROL_REG, START_FIFOTEST_BIT);
return OK;
}
// program dacq settings
int64_t set64BitReg(int64_t value, int aLSB, int aMSB){
int64_t v64;
u_int32_t vLSB,vMSB;
if (value!=-1) {
vLSB=value&(0xffffffff);
bus_w(aLSB,vLSB);
v64=value>> 32;
vMSB=v64&(0xffffffff);
bus_w(aMSB,vMSB);
}
return get64BitReg(aLSB, aMSB);
}
int64_t get64BitReg(int aLSB, int aMSB){
int64_t v64;
u_int32_t vLSB,vMSB;
vMSB=bus_r(aMSB);
vLSB=bus_r(aLSB);
v64=vMSB;
v64=(v64<<32) | vLSB;
#ifdef VERBOSE
printf("MSB %08x LSB %08x, %016llx\n", vMSB, vLSB, v64);
#endif
return v64;
}
int64_t setFrames(int64_t value){
return set64BitReg(value, SET_FRAMES_LSB_REG, SET_FRAMES_MSB_REG);
}
int64_t getFrames(){
return get64BitReg(GET_FRAMES_LSB_REG, GET_FRAMES_MSB_REG);
}
int64_t setExposureTime(int64_t value){
/* time is in ns */
if (value!=-1)
value*=(1E-9*CLK_FREQ);
if (masterMode==IS_SLAVE && syncMode==MASTER_GATES)
setGates(1);
return set64BitReg(value,SET_EXPTIME_LSB_REG, SET_EXPTIME_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t getExposureTime(){
return get64BitReg(GET_EXPTIME_LSB_REG, GET_EXPTIME_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t setGates(int64_t value){
return set64BitReg(value, SET_GATES_LSB_REG, SET_GATES_MSB_REG);
}
int64_t getGates(){
return get64BitReg(GET_GATES_LSB_REG, GET_GATES_MSB_REG);
}
int64_t setPeriod(int64_t value){
/* time is in ns */
if (value!=-1) {
value*=(1E-9*CLK_FREQ);
}
return set64BitReg(value,SET_PERIOD_LSB_REG, SET_PERIOD_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t getPeriod(){
return get64BitReg(GET_PERIOD_LSB_REG, GET_PERIOD_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t setDelay(int64_t value){
/* time is in ns */
if (value!=-1) {
value*=(1E-9*CLK_FREQ);
}
return set64BitReg(value,SET_DELAY_LSB_REG, SET_DELAY_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t getDelay(){
return get64BitReg(GET_DELAY_LSB_REG, GET_DELAY_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t setTrains(int64_t value){
return set64BitReg(value, SET_TRAINS_LSB_REG, SET_TRAINS_MSB_REG);
}
int64_t getTrains(){
return get64BitReg(GET_TRAINS_LSB_REG, GET_TRAINS_MSB_REG);
}
int64_t setProbes(int64_t value){
int ow;
int nm=setNMod(-1);
switch (getDynamicRange()) {
case 32:
ow=1;
break;
case 16:
ow=2;
break;
case 8:
ow=3;
break;
case 4:
ow=4;
break;
case 1:
ow=5;
break;
default:
ow=1;
}
if (value>=0) {
setCSregister(ALLMOD);
initChipWithProbes(0, ow,value, ALLMOD);
putout("0000000000000000",ALLMOD);
setNMod(nm);
getDynamicRange(); // needed to change dataBytes
}
return getProbes();
}
int64_t setProgress() {
//????? eventually call after setting the registers
return 100;
}
int64_t getProgress() {
//should be done in firmware!!!!
return 0;
}
int64_t getActualTime(){
return get64BitReg(GET_ACTUAL_TIME_LSB_REG, GET_ACTUAL_TIME_MSB_REG)/(1E-9*CLK_FREQ);
}
int64_t getMeasurementTime(){
int64_t v=get64BitReg(GET_MEASUREMENT_TIME_LSB_REG, GET_MEASUREMENT_TIME_MSB_REG);
int64_t mask=0x8000000000000000;
if (v & mask ) {
#ifdef VERBOSE
printf("no measurement time left\n");
#endif
return -1E+9;
} else
return v/(1E-9*CLK_FREQ);
}
int64_t getProbes(){
u_int32_t shiftin=bus_r(GET_SHIFT_IN_REG);
u_int32_t np=(shiftin >>PROBES_OFF) & PROBES_MASK;
#ifdef VERYVERBOSE
printf("%08x ",shiftin);
printf("probes==%01x\n",np);
#endif
return np;
}
int setDACRegister(int idac, int val, int imod) {
u_int32_t addr, reg, mask;
int off;
#ifdef VERBOSE
printf("Settings dac %d module %d register to %d\n",idac,imod,val);
#endif
if ((idac%2)==0) {
addr=MOD_DACS1_REG;
} else {
addr=MOD_DACS2_REG;
}
off=(idac%3)*10;
mask=~((0x3ff)<<off);
if (val>=0 && val<DAC_DR) {
reg=bus_r(addr+(imod<<SHIFTMOD));
reg&=mask;
reg|=(val<<off);
bus_w(addr+(imod<<SHIFTMOD),reg);
}
val=(bus_r(addr+(imod<<SHIFTMOD))>>off)&0x3ff;
#ifdef VERBOSE
printf("Dac %d module %d register is %d\n",idac,imod,val);
#endif
return val;
}
u_int32_t runBusy(void) {
return bus_r(STATUS_REG)&RUN_BUSY_BIT;
}
u_int32_t dataPresent(void) {
return bus_r(LOOK_AT_ME_REG);
}
u_int32_t runState(void) {
int s=bus_r(STATUS_REG);
#ifdef SHAREDMEMORY
if (s&RUN_BUSY_BIT)
write_status_sm("Running");
else
write_status_sm("Stopped");
write_istatus_sm(s);
#endif
#ifdef VERBOSE
printf("status %08x\n",s);
#endif
return s;
}
// State Machine
u_int32_t startStateMachine(){
#ifdef VERBOSE
printf("Starting State Machine\n");
#endif
fifoReset();
now_ptr=(char*)ram_values;
#ifdef SHAREDMEMORY
write_stop_sm(0);
write_status_sm("Started");
#endif
#ifdef MCB_FUNCS
setCSregister(ALLMOD);
clearSSregister(ALLMOD);
#endif
putout("0000000000000000",ALLMOD);
bus_w(CONTROL_REG, START_ACQ_BIT | START_EXPOSURE_BIT);
return OK;
}
u_int32_t stopStateMachine(){
#ifdef VERBOSE
printf("Stopping State Machine\n");
#endif
#ifdef SHAREDMEMORY
write_stop_sm(1);
write_status_sm("Stopped");
#endif
bus_w(CONTROL_REG, STOP_ACQ_BIT);
usleep(500);
if (!runBusy())
return OK;
else
return FAIL;
}
u_int32_t startReadOut(){
u_int32_t status;
#ifdef VERBOSE
printf("Starting State Machine Readout\n");
#endif
status=bus_r(STATUS_REG)&RUN_BUSY_BIT;
#ifdef DEBUG
printf("State machine status is %08x\n",bus_r(STATUS_REG));
#endif
bus_w(CONTROL_REG, START_ACQ_BIT |START_READOUT_BIT); // start readout
return OK;
}
// fifo routines
u_int32_t fifoReset(void) {
#ifdef DEBUG
printf("resetting fifo\n");
#endif
bus_w(FIFO_CNTRL_REG_OFF+(ALLFIFO<<SHIFTMOD), FIFO_RESET_BIT);
return OK;
}
u_int32_t setNBits(u_int32_t n) {
u_int32_t rval=0;
rval=bus_w(SET_NBITS_REG, n);
return bus_r(SET_NBITS_REG);
}
u_int32_t getNBits()
{
return bus_r(SET_NBITS_REG);
}
u_int32_t fifoReadCounter(int fifonum)
{
int rval=0;
int shiftfifo;
switch (dynamicRange) {
case 16:
shiftfifo=SHIFTFIFO-1;
break;
case 8:
shiftfifo=SHIFTFIFO-2;
break;
case 4:
shiftfifo=SHIFTFIFO-3;
break;
case 1:
shiftfifo=SHIFTFIFO-5;
break;
default:
shiftfifo=SHIFTFIFO;
}
rval=bus_r(FIFO_COUNTR_REG_OFF+(fifonum<<shiftfifo));
#ifdef VERBOSE
//printf("FIFO %d contains %x words\n",fifonum, rval);
#endif
return rval;
}
u_int32_t fifoReadStatus()
{
// reads from the global status register
return bus_r(STATUS_REG)&(SOME_FIFO_FULL_BIT | ALL_FIFO_EMPTY_BIT);
}
u_int32_t fifo_full(void)
{
// checks fifo empty flag returns 1 if fifo is empty
// otherwise 0
return bus_r(STATUS_REG)&SOME_FIFO_FULL_BIT;
}
u_int32_t* fifo_read_event()
{
int ir=0;
#ifdef VERBOSE
int ichip;
int ichan;
#endif
#ifdef VIRTUAL
return NULL;
#endif
#ifdef VERYVERBOSE
printf("before looping\n");
for (ichip=0; ichip<nModBoard*NCHIP; ichip++) {
if ((fifoReadCounter(ichip)&FIFO_COUNTER_MASK)%128)
printf("FIFO %d contains %d words\n",ichip,(fifoReadCounter(ichip)&FIFO_COUNTER_MASK));
}
#endif
while(bus_r(LOOK_AT_ME_REG)==0) {
#ifdef VERYVERBOSE
printf("Waiting for data status %x\n",runState());
#endif
if (runBusy()==0) {
/* for (ir=0; ir<100; ir++) { */
/* //usleep(100); */
/* //printf("check %d\n", ir); */
/* if (runBusy()==1) */
/* break; */
/* } */
/* if (ir==100) { */
if (bus_r(LOOK_AT_ME_REG)==0) {
//#ifdef VERBOSE
printf("no frame found - exiting ");
printf("%08x %08x\n", runState(), bus_r(LOOK_AT_ME_REG));
// for (ichip=0; ichip<nModBoard*NCHIP; ichip++) {
// if ((fifoReadCounter(ichip)&FIFO_COUNTER_MASK)%128)
// printf("FIFO %d contains %d words\n",ichip,(fifoReadCounter(ichip)&FIFO_COUNTER_MASK));
// }
//#endif
return NULL;
} else {
#ifdef VERYVERBOSE
printf("no frame found %x status %x\n", bus_r(LOOK_AT_ME_REG),runState());
#endif
break;
}
/* } else */
/* printf("run busy error workaround %d \n", ir); */
}
}
#ifdef VERYVERBOSE
printf("before readout %08x %08x\n", runState(), bus_r(LOOK_AT_ME_REG));
for (ichip=0; ichip<nModBoard*NCHIP; ichip++) {
if ((fifoReadCounter(ichip)&FIFO_COUNTER_MASK)%128)
printf("FIFO %d contains %d words\n",ichip,(fifoReadCounter(ichip)&FIFO_COUNTER_MASK));
}
#endif
memcpy(now_ptr, values, dataBytes);
/*
#ifdef VERBOSE
for (ichip=0;ichip<dataBytes/4; ichip++) {
now_ptr[ichip*4]=values[ichip];
#ifdef VERBOSE
if (((fifoReadCounter(ichip/128)&FIFO_COUNTER_MASK)+(ichip%128))>128)
printf("chip %d ch %d %d\n",ichip/128, ichip%128, (fifoReadCounter(ichip/128)&FIFO_COUNTER_MASK));
#endif
}
//#endif
*/
#ifdef VERYVERBOSE
printf("Copying to ptr %x %d\n",now_ptr, dataBytes);
printf("after readout %08x %08x\n", runState(), bus_r(LOOK_AT_ME_REG));
for (ichip=0; ichip<nModBoard*NCHIP; ichip++) {
if ((fifoReadCounter(ichip)&FIFO_COUNTER_MASK)%128)
printf("FIFO %d contains %d words\n",ichip,(fifoReadCounter(ichip)&FIFO_COUNTER_MASK));
}
#endif
if (storeInRAM>0) {
now_ptr+=dataBytes;
}
return ram_values;
}
u_int32_t* decode_data(int *datain)
{
u_int32_t *dataout;
// const char one=1;
const int bytesize=8;
char *ptr=(char*)datain;
//int nbits=dynamicRange;
int ipos=0, ichan=0;;
//int nch, boff=0;
int ibyte;//, ibit;
char iptr;
#ifdef VERBOSE
printf("Decoding data for DR %d\n",dynamicRange);
#endif
dataout=malloc(nChans*nChips*nModX*4);
ichan=0;
switch (dynamicRange) {
case 1:
for (ibyte=0; ibyte<dataBytes; ibyte++) {
iptr=ptr[ibyte];
for (ipos=0; ipos<bytesize; ipos++) {
dataout[ichan]=(iptr>>(ipos))&0x1;
ichan++;
}
}
break;
case 4:
for (ibyte=0; ibyte<dataBytes; ibyte++) {
iptr=ptr[ibyte]&0xff;
for (ipos=0; ipos<2; ipos++) {
dataout[ichan]=(iptr>>(ipos*4))&0xf;
ichan++;
}
}
break;
case 8:
for (ichan=0; ichan<dataBytes; ichan++) {
dataout[ichan]=ptr[ichan]&0xff;
}
break;
case 16:
for (ichan=0; ichan<nChans*nChips*nModX; ichan++) {
dataout[ichan]=0;
for (ibyte=0; ibyte<2; ibyte++) {
iptr=ptr[ichan*2+ibyte];
dataout[ichan]|=((iptr<<(ibyte*bytesize))&(0xff<<(ibyte*bytesize)));
}
}
break;
default:
for (ichan=0; ichan<nChans*nChips*nModX; ichan++)
dataout[ichan]=datain[ichan]&0xffffff;
}
#ifdef VERBOSE
printf("decoded %d channels\n",ichan);
#endif
return dataout;
}
int setDynamicRange(int dr) {
int ow;
int nm;
u_int32_t np=getProbes();
#ifdef VERYVERBOSE
printf("probes==%02x\n",np);
#endif
if (dr>0) {
nm=setNMod(-1);
if (dr==1) {
dynamicRange=1;
ow=5;
} else if (dr<=4) {
dynamicRange=4;
ow=4;
} else if (dr<=8) {
dynamicRange=8;
ow=3;
} else if (dr<=16) {
dynamicRange=16;
ow=2;
} else {
dynamicRange=32;
ow=0; //or 1?
}
setCSregister(ALLMOD);
initChipWithProbes(0, ow,np, ALLMOD);
putout("0000000000000000",ALLMOD);
setNMod(nm);
}
return getDynamicRange();
}
int getDynamicRange() {
int dr;
u_int32_t shiftin=bus_r(GET_SHIFT_IN_REG);
u_int32_t outmux=(shiftin >> OUTMUX_OFF) & OUTMUX_MASK;
u_int32_t probes=(shiftin >> PROBES_OFF) & PROBES_MASK;
#ifdef VERYVERBOSE
printf("%08x ",shiftin);
printf("outmux=%02x probes=%d\n",outmux,probes);
#endif
switch (outmux) {
case 2:
dr=16;
break;
case 4:
dr=8;
break;
case 8:
dr=4;
break;
case 16:
dr=1;
break;
default:
dr=32;
}
dynamicRange=dr;
if (probes==0) {
dataBytes=nModX*nModY*NCHIP*NCHAN*dynamicRange/8;
} else {
dataBytes=nModX*nModY*NCHIP*NCHAN*4;///
}
#ifdef VERBOSE
printf("Number of data bytes %d - probes %d dr %d\n", dataBytes, probes, dr);
#endif
if (allocateRAM()==OK) {
;
} else
printf("ram not allocated\n");
return dynamicRange;
}
int testBus() {
u_int32_t j;
u_int64_t i, n, nt;
//char cmd[100];
u_int32_t val=0x0;
int ifail=OK;
// printf("%s\n",cmd);
// system(cmd);
i=0;
n=1000000;
nt=n/100;
printf("testing bus %d times\n",n);
while (i<n) {
// val=bus_r(FIX_PATT_REG);
bus_w(DUMMY_REG,val);
bus_w(FIX_PATT_REG,0);
j=bus_r(DUMMY_REG);
//if (i%10000==1)
if (j!=val){
printf("%d : read wrong value %08x instead of %08x\n",i,j, val);
ifail++;
//return FAIL;
}// else
// printf("%d : value OK 0x%08x\n",i,j);
if ((i%nt)==0)
printf("%lld cycles OK\n",i);
val+=0xbbbbb;
i++;
}
return ifail;
}
int setStoreInRAM(int b) {
if (b>0)
storeInRAM=1;
else
storeInRAM=0;
return allocateRAM();
}
int allocateRAM() {
size_t size;
u_int32_t nt, nf;
nt=setTrains(-1);
nf=setFrames(-1);
if (nt==0) nt=1;
if (nf==0) nf=1;
// ret=clearRAM();
if (storeInRAM) {
size=dataBytes*nf*nt;
if (size<dataBytes)
size=dataBytes;
} else
size=dataBytes;
#ifdef VERBOSE
printf("nmodx=%d nmody=%d dynamicRange=%d dataBytes=%d nFrames=%d nTrains, size=%d\n",nModX,nModY,dynamicRange,dataBytes,nf,nt,size );
#endif
if (size==ram_size) {
#ifdef VERBOSE
printf("RAM of size %d already allocated: nothing to be done\n", size);
#endif
return OK;
}
#ifdef VERBOSE
printf("reallocating ram %x\n",ram_values);
#endif
// clearRAM();
// ram_values=malloc(size);
ram_values=realloc(ram_values,size);
if (ram_values) {
now_ptr=(char*)ram_values;
#ifdef VERBOSE
printf("ram allocated 0x%x of size %d to %x\n",now_ptr, size, now_ptr+size);
#endif
ram_size=size;
return OK;
} else {
printf("could not allocate %d bytes\n",size);
if (storeInRAM==1) {
printf("retrying\n");
storeInRAM=0;
size=dataBytes;
ram_values=realloc(ram_values,size);
if (ram_values==NULL)
printf("Fatal error: there must be a memory leak somewhere! You can't allocate even one frame!\n");
else {
now_ptr=(char*)ram_values;
ram_size=size;
#ifdef VERBOSE
printf("ram allocated 0x%x of size %d to %x\n",now_ptr, size, now_ptr+size);
#endif
}
} else {
printf("Fatal error: there must be a memory leak somewhere! You can't allocate even one frame!\n");
}
return FAIL;
}
}
int clearRAM() {
if (ram_values) {
//#ifdef VERBOSE
//printf("clearing RAM 0x%x\n", ram_values);
//#endif
free(ram_values);
ram_values=NULL;
now_ptr=NULL;
}
//#ifdef VERBOSE
//printf("done 0x%x\n", ram_values);
//#endif
return OK;
}
int setMaster(int f) {
int i;
switch(f) {
case NO_MASTER:
// switch of gates or triggers
masterMode=NO_MASTER;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
setFPGASignal(i,SIGNAL_OFF);
}
}
break;
case IS_MASTER:
// configure gate or trigger out
masterMode=IS_MASTER;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
switch (syncMode) {
case NO_SYNCHRONIZATION:
setFPGASignal(i,SIGNAL_OFF);
break;
case MASTER_GATES:
setFPGASignal(i,GATE_OUT_ACTIVE_HIGH);
break;
case MASTER_TRIGGERS:
setFPGASignal(i,TRIGGER_OUT_RISING_EDGE);
break;
case SLAVE_STARTS_WHEN_MASTER_STOPS:
setFPGASignal(i,RO_TRIGGER_OUT_RISING_EDGE);
break;
default:
;
}
}
}
break;
case IS_SLAVE:
// configure gate or trigger in
masterMode=IS_SLAVE;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
switch (syncMode) {
case NO_SYNCHRONIZATION:
setFPGASignal(i,SIGNAL_OFF);
break;
case MASTER_GATES:
setFPGASignal(i,GATE_IN_ACTIVE_HIGH);
break;
case MASTER_TRIGGERS:
setFPGASignal(i,TRIGGER_IN_RISING_EDGE);
break;
case SLAVE_STARTS_WHEN_MASTER_STOPS:
setFPGASignal(i,TRIGGER_IN_RISING_EDGE);
break;
default:
;
}
}
}
break;
default:
//do nothing
;
}
switch(masterMode) {
case NO_MASTER:
return NO_MASTER;
case IS_MASTER:
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
switch (syncMode) {
case NO_SYNCHRONIZATION:
return IS_MASTER;
case MASTER_GATES:
if (getFPGASignal(i)==GATE_OUT_ACTIVE_HIGH)
return IS_MASTER;
else
return NO_MASTER;
case MASTER_TRIGGERS:
if (getFPGASignal(i)==TRIGGER_OUT_RISING_EDGE)
return IS_MASTER;
else
return NO_MASTER;
case SLAVE_STARTS_WHEN_MASTER_STOPS:
if (getFPGASignal(i)==RO_TRIGGER_OUT_RISING_EDGE)
return IS_MASTER;
else
return NO_MASTER;
default:
return NO_MASTER;
}
}
}
case IS_SLAVE:
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
switch (syncMode) {
case NO_SYNCHRONIZATION:
return IS_SLAVE;
case MASTER_GATES:
if (getFPGASignal(i)==GATE_IN_ACTIVE_HIGH)
return IS_SLAVE;
else
return NO_MASTER;
case MASTER_TRIGGERS:
case SLAVE_STARTS_WHEN_MASTER_STOPS:
if (getFPGASignal(i)==TRIGGER_IN_RISING_EDGE)
return IS_SLAVE;
else
return NO_MASTER;
default:
return NO_MASTER;
}
}
}
}
return masterMode;
}
int setSynchronization(int s) {
int i;
switch(s) {
case NO_SYNCHRONIZATION:
syncMode=NO_SYNCHRONIZATION;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
setFPGASignal(i,SIGNAL_OFF);
}
}
break;
// disable external signals?
case MASTER_GATES:
// configure gate in or out
syncMode=MASTER_GATES;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
if (masterMode==IS_MASTER)
setFPGASignal(i,GATE_OUT_ACTIVE_HIGH);
else if (masterMode==IS_SLAVE)
setFPGASignal(i,GATE_IN_ACTIVE_HIGH);
}
}
break;
case MASTER_TRIGGERS:
// configure trigger in or out
syncMode=MASTER_TRIGGERS;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
if (masterMode==IS_MASTER)
setFPGASignal(i,TRIGGER_OUT_RISING_EDGE);
else if (masterMode==IS_SLAVE)
setFPGASignal(i,TRIGGER_IN_RISING_EDGE);
}
}
break;
case SLAVE_STARTS_WHEN_MASTER_STOPS:
// configure trigger in or out
syncMode=SLAVE_STARTS_WHEN_MASTER_STOPS;
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
if (masterMode==IS_MASTER)
setFPGASignal(i,RO_TRIGGER_OUT_RISING_EDGE);
else if (masterMode==IS_SLAVE)
setFPGASignal(i,TRIGGER_IN_RISING_EDGE);
}
}
break;
default:
//do nothing
;
}
switch (syncMode) {
case NO_SYNCHRONIZATION:
return NO_SYNCHRONIZATION;
case MASTER_GATES:
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
if (masterMode==IS_MASTER && getFPGASignal(i)==GATE_OUT_ACTIVE_HIGH)
return MASTER_GATES;
else if (masterMode==IS_SLAVE && getFPGASignal(i)==GATE_IN_ACTIVE_HIGH)
return MASTER_GATES;
}
}
return NO_SYNCHRONIZATION;
case MASTER_TRIGGERS:
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
if (masterMode==IS_MASTER && getFPGASignal(i)==TRIGGER_OUT_RISING_EDGE)
return MASTER_TRIGGERS;
else if (masterMode==IS_SLAVE && getFPGASignal(i)==TRIGGER_IN_RISING_EDGE)
return MASTER_TRIGGERS;
}
}
return NO_SYNCHRONIZATION;
case SLAVE_STARTS_WHEN_MASTER_STOPS:
for (i=0; i<4; i++) {
if (signals[i]==MASTER_SLAVE_SYNCHRONIZATION) {
if (masterMode==IS_MASTER && getFPGASignal(i)==RO_TRIGGER_OUT_RISING_EDGE)
return SLAVE_STARTS_WHEN_MASTER_STOPS;
else if (masterMode==IS_SLAVE && getFPGASignal(i)==TRIGGER_IN_RISING_EDGE)
return SLAVE_STARTS_WHEN_MASTER_STOPS;
}
}
return NO_SYNCHRONIZATION;
default:
return NO_SYNCHRONIZATION;
}
return NO_SYNCHRONIZATION;
}
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