From 40e945889cdc783dcf2e53ccb5e89997742bf2a5 Mon Sep 17 00:00:00 2001
From: l_maliakal_d <l_maliakal_d@951219d9-93cf-4727-9268-0efd64621fa3>
Date: Fri, 18 Nov 2011 16:56:14 +0000
Subject: [PATCH] gotthard:incorporated the temperature read

git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@52 951219d9-93cf-4727-9268-0efd64621fa3
---
 .../gotthardDetectorServer/firmware_funcs.c   | 38 +++++++++++++++++--
 .../gotthardDetectorServer/firmware_funcs.h   |  1 +
 .../gotthardDetectorServer/mcb_funcs.h        |  8 +---
 .../gotthardDetectorServer/registers_g.h      | 13 ++++++-
 .../gotthardDetectorServer/server_funcs.c     | 29 ++++++++++----
 5 files changed, 72 insertions(+), 17 deletions(-)

diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
index 0c8b4d099..b22560309 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
@@ -225,7 +225,6 @@ u_int32_t putout(char *s, int modnum) {
   }
   //addr=MCB_CNTRL_REG_OFF+(modnum<<4);
   addr=MCB_CNTRL_REG_OFF;//+(modnum<<SHIFTMOD); commented by dhanya
-  //printf("\n\tpat=");showbits(pat);
   bus_w(addr, pat);
 
   return OK;
@@ -806,8 +805,6 @@ int setDACRegister(int idac, int val, int imod) {
   u_int32_t addr, reg, mask;
   int off;
 #ifdef VERBOSE
-   printf("\ninside setdacref.....\n");
-  printf("val=%d\n",val);
   printf("Settings dac %d module %d register to %d\n",idac,imod,val);
 #endif
 
@@ -855,6 +852,41 @@ int setDACRegister(int idac, int val, int imod) {
 }
 
 
+float getTemperature(int tempSensor, int imod)
+{
+  float val;
+  char cTempSensor[2][100]={"ADCs/ASICs","VRs/FPGAs"}; 
+  imod=0;//ignoring more than 1 mod for now
+  int i,j,k,repeats=6,times=11;
+  u_int32_t tempVal=0;
+
+#ifdef VERBOSE
+  printf("Getting Temperature of module:%d for the %s\n",imod,cTempSensor[tempSensor]);
+#endif
+  bus_w(TEMP_SPI_IN,T1_CLK_BIT|T1_CS_BIT|T2_CLK_BIT|T2_CS_BIT);//standby
+  bus_w(TEMP_SPI_IN,(T1_CLK_BIT)&~(T1_CS_BIT)|(T2_CLK_BIT));//high clk low cs
+
+  for(k=0;k<2;k++){
+    for(i=0;i<times;i++) {
+      //repeats is number of register writes for delay
+      for(j=0;j<repeats;j++)
+	bus_w(TEMP_SPI_IN,~(T1_CLK_BIT)&~(T1_CS_BIT)&~(T2_CLK_BIT)&~(T2_CS_BIT));//low clk low cs
+      for(j=0;j<repeats;j++)
+	bus_w(TEMP_SPI_IN,(T1_CLK_BIT)&~(T1_CS_BIT)|(T2_CLK_BIT));//high clk low cs
+
+      if(times==11)//only the first time
+	tempVal= (tempVal<<1) + (bus_r(TEMP_SPI_OUT) & (1<<tempSensor));
+    }
+    times=8;
+  }
+  bus_w(TEMP_SPI_IN,T1_CLK_BIT|T1_CS_BIT|T2_CLK_BIT|T2_CS_BIT);//standby
+  val=((float)tempVal)/4.0;	
+
+#ifdef VERBOSE//read time from start needed??
+   printf("Temperature of module:%d for the %s is %.2fC\n",imod,cTempSensor[tempSensor],val);
+#endif
+ return val;
+}
 
 
 u_int32_t runBusy(void) {
diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
index 1010c2923..81fa3ff41 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
@@ -46,6 +46,7 @@ int setContinousReadOut(int d);
 
 int setDACRegister(int idac, int val, int imod);
 
+float getTemperature(int tempSensor, int imod);
 
 u_int64_t getMcsNumber();
 u_int32_t getMcsVersion();
diff --git a/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h b/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h
index 35b8ad4d5..d3f0187bf 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h
+++ b/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h
@@ -25,18 +25,14 @@
 
 
 // DAC definitions
-
 enum {VREF_DS, VCASCN_PB, VCASCP_PB, VOUT_CM, VCASC_OUT, VIN_CM, VREF_COMP, IB_TESTC};
 
-
-/* DAC adresses */
-//#define DACCS {0,0,1,1,2,2}
-//#define DACADDR {0,1,0,1,0,1}
-
 /* DAC adresses */
 #define DACCS   {0,0,1,1,2,2,3,3,4,4,5,5,6,6}
 #define DACADDR {0,1,0,1,0,1,0,1,0,1,0,1,0,1}
 
+//Temp definitions
+enum {TEMP_ADC, TEMP_FPGA};
 
 //dynamic range
 #define MAX5523
diff --git a/slsDetectorSoftware/gotthardDetectorServer/registers_g.h b/slsDetectorSoftware/gotthardDetectorServer/registers_g.h
index c5b91b4ec..d335c833b 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/registers_g.h
+++ b/slsDetectorSoftware/gotthardDetectorServer/registers_g.h
@@ -20,6 +20,10 @@
 #define GAIN_REG         0x10<<11
 #define DAQ_REG          0x1b<<11
 
+//temperature
+#define TEMP_SPI_IN      0x81<<11
+#define TEMP_SPI_OUT     0x82<<11
+
 //not used so far
 #define SPEED_REG        0x006000
 #define SET_NBITS_REG    0x008000
@@ -160,6 +164,13 @@
 #define EXT_RO_TRIG_OUT_FALLING        0xC
 
 
+/* for temperature register */
+#define T1_CLK_BIT             0x00000001
+#define T1_CS_BIT              0x00000002
+#define T2_CLK_BIT             0x00000004
+#define T2_CS_BIT              0x00000008
+
+
 
 /* fifo control register */
 #define FIFO_RESET_BIT              0x00000001 
@@ -167,7 +178,6 @@
 
 
 //chip shiftin register meaning
-
 #define OUTMUX_OFF 20
 #define OUTMUX_MASK   0x1f
 #define PROBES_OFF 4
@@ -176,3 +186,4 @@
 #define OUTBUF_MASK 1
 
 #endif
+
diff --git a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
index 801b0c61f..e0bffac93 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
@@ -792,8 +792,9 @@ int set_dac(int fnum) {
   int n;
   float val;
   int idac=0;
+  int itemp=-1;
 
-  sprintf(mess,"Can't set DAC\n");
+  sprintf(mess,"Can't set DAC/POT/TEMP\n");
 
 
   n = receiveDataOnly(arg,sizeof(arg));
@@ -811,7 +812,7 @@ int set_dac(int fnum) {
   }
 
 #ifdef VERBOSE
-  printf("Setting DAC %d of module %d to %f V\n", ind, imod, val);
+  printf("Setting DAC/POT/TEMP %d of module %d to %f V\n", ind, imod, val);
 #endif 
 
   if (imod>=getNModBoard())
@@ -845,25 +846,39 @@ int set_dac(int fnum) {
   case G_IB_TESTC:
     idac=IB_TESTC;
     break;
- default:
-    printf("Unknown DAC index %d\n",ind);
-    sprintf(mess,"Unknown DAC index %d\n",ind);
+  case TEMPERATURE_ADC:
+    itemp=TEMP_ADC;
+    break;
+  case TEMPERATURE_FPGA:
+    itemp=TEMP_FPGA;
+    break;
+  default:
+    printf("Unknown DAC/POT/TEMP index %d\n",ind);
+    sprintf(mess,"Unknown DAC/POT/TEMP index %d\n",ind);
     ret=FAIL;
   }
  
   if (ret==OK) {
+    if(itemp!=-1) {
+      if (imod>=0 && imod<nModX)	
+	retval=getTemperature(itemp,imod);
+      else
+	//get only the first mods temp, but dunno when this is used
+	retval=getTemperature(itemp,0);
+    }
+    else
       retval=initDACbyIndexDACU(idac,val,imod);
   }
 #endif
 
 #ifdef VERBOSE
-  printf("DAC set to %f V\n",  retval);
+  printf("DAC/POT/TEMP set to %f V\n",  retval);
 #endif  
   if (retval==val || val==-1)
     ret=OK;
   else {
     ret=FAIL;
-    printf("Setting dac %d of module %d: wrote %f but read %f\n", ind, imod, val, retval);
+    printf("Setting dac/pot %d of module %d: wrote %f but read %f\n", ind, imod, val, retval);
   }