mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-06-13 05:17:13 +02:00
should work for serial comm hv for 9m
This commit is contained in:
Dhanya Maliakal
@ -12,13 +12,7 @@
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#include <math.h>
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#include <string.h>
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#include <time.h>
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//#include <fstream>
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//#include <iomanip>
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//#include <sstream>
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//#include <time.h>
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#include <termios.h> // POSIX terminal control definitions(CS8, CREAD, CLOCAL..)
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#include "FebRegisterDefs.h"
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#include "FebControl.h"
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@ -68,6 +62,7 @@ double Feb_Control_rate_meas[16384];
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double ratemax=-1;
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int Feb_Control_activated = 1;
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int Feb_Control_hv_fd = -1;
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void Module_Module(struct Module* mod,unsigned int number, unsigned int address_top){
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@ -224,11 +219,45 @@ int Feb_Control_Init(int master, int top, int normal, int module_num){
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if(Feb_Control_activated)
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Feb_Interface_SetByteOrder();
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//master of 9M, set up high voltage serial communication to blackfin
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if(Feb_control_master && !Feb_control_normal){
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if(!Feb_Control_SetupSerialCommunication())
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return 0;
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}
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return 1;
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}
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int Feb_Control_SetupSerialCommunication(){
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Feb_Control_hv_fd = open(SPECIAL9M_HIGHVOLTAGE_PORT, O_RDWR | O_NOCTTY);
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if(Feb_Control_hv_fd < 0){
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cprintf(RED,"Warning: Unable to open port %s to set up high voltage serial communciation to the blackfin\n", SPECIAL9M_HIGHVOLTAGE_PORT);
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return 0;
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}
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struct termios serial_conf;
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// Get the current options for the port
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tcgetattr(Feb_Control_hv_fd, &serial_conf);
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// reset structure
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memset(&serial_conf,0,sizeof(serial_conf));
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// control options
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serial_conf.c_cflag = B2400 | CS8 | CREAD | CLOCAL;//57600 too high
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// input options
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serial_conf.c_iflag = IGNPAR;
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// output options
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serial_conf.c_oflag = 0;
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// line options
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serial_conf.c_lflag = ICANON;
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// flush input
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tcflush(Feb_Control_hv_fd, TCIFLUSH);
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// set new options for the port, TCSANOW:changes occur immediately without waiting for data to complete
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tcsetattr(Feb_Control_hv_fd, TCSANOW, &serial_conf);
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return 1;
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}
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void Feb_Control_PrintModuleList(){
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unsigned int i;
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@ -496,89 +525,183 @@ float Feb_Control_DACToVoltage(unsigned int digital,unsigned int nsteps,float vm
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//only master gets to call this function
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int Feb_Control_SetHighVoltage(int value){
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if(!Feb_control_normal){
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cprintf(RED,"\nError: Setting High Voltage not implemented for special modules\n");
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return 0;
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}
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printf(" Setting High Voltage: %d(v)\t",value);
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static const unsigned int nsteps = 256;
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static const float vmin=0;
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static const float vmax=300;
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printf(" Setting High Voltage: %dV\t",value);
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/*
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* maximum voltage of the hv dc/dc converter:
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* 300 for single module power distribution board
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* 200 for 9M power distribution board
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* but limit is 200V for both
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*/
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const float vmin=0;
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float vmax=200;
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if(Feb_control_normal)
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vmax=300;
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const float vlimit=200;
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const unsigned int ntotalsteps = 256;
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unsigned int nsteps = ntotalsteps*vlimit/vmax;
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unsigned int dacval = 0;
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//open file
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FILE* fd=fopen("/sys/class/hwmon/hwmon5/device/out0_output","w");
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if(fd==NULL){
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cprintf(RED,"\nWarning: Could not open file for writing to set high voltage\n");
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return 0;
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}
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//calculate dac value
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if(!Feb_Control_VoltageToDAC(value,&dacval,nsteps,vmin,vmax)){
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cprintf(RED,"\nWarning: SetHighVoltage bad value, %d. The range is 0 to 300 V.\n",value);
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if(!Feb_Control_VoltageToDAC(value,&dacval,nsteps,vmin,vlimit)){
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cprintf(RED,"\nWarning: SetHighVoltage bad value, %d. The range is 0 to %d V.\n",value, (int)vlimit);
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return 0;
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}
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//convert to string, add 0 and write to file
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fprintf(fd, "%d0\n", dacval);
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printf("(%d dac): ",dacval);
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printf("%d(dac)\n", dacval);
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fclose(fd);
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return 1;
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return Feb_Control_SendHighVoltage(dacval);
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}
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int Feb_Control_GetHighVoltage(int* value){
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if(!Feb_control_normal){
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cprintf(RED,"\nError: Getting High Voltage not implemented for special modules\n");
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return 0;
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}
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printf(" Getting High Voltage: ");
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static const unsigned int nsteps = 256;
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static const float vmin=0;
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static const float vmax=300;
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printf(" Getting High Voltage:\t");
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unsigned int dacval = 0;
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size_t readbytes=0;
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char* line=NULL;
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if(!Feb_Control_ReceiveHighVoltage(&dacval))
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return 0;
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//open file
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FILE* fd=fopen("/sys/class/hwmon/hwmon5/device/in0_input","r");
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if(fd==NULL){
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cprintf(RED,"\nWarning: Could not open file for writing to get high voltage\n");
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return 0;
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}
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// Read twice, since the first value is sometimes outdated
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if(getline(&line, &readbytes, fd) == -1){
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cprintf(RED,"\nWarning: could not read file to get high voltage\n");
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return 0;
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}
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rewind(fd);
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free(line);
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readbytes=0;
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readbytes = getline(&line, &readbytes, fd);
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if(readbytes == -1){
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cprintf(RED,"\nWarning: could not read file to get high voltage\n");
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return 0;
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}
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// Remove the trailing 0
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dacval = atoi(line)/10;
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//convert dac to v
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*value = (int)(Feb_Control_DACToVoltage(dacval,nsteps,vmin,vmax)+0.5);
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printf("%d(v)\t%d(dac)\n", *value, dacval);
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free(line);
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fclose(fd);
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//ok, convert dac to v
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/*
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* maximum voltage of the hv dc/dc converter:
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* 300 for single module power distribution board
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* 200 for 9M power distribution board
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* but limit is 200V for both
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*/
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const float vmin=0;
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float vmax=200;
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if(Feb_control_normal)
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vmax=300;
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const float vlimit=200;
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const unsigned int ntotalsteps = 256;
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unsigned int nsteps = ntotalsteps*vlimit/vmax;
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*value = (int)(Feb_Control_DACToVoltage(dacval,nsteps,vmin,vlimit)+0.5);
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printf("(%d dac)\t%dV\n", dacval, *value);
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return 1;
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}
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int Feb_Control_SendHighVoltage(int dacvalue){
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//normal
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if(Feb_control_normal){
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//open file
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FILE* fd=fopen(NORMAL_HIGHVOLTAGE_OUTPUTPORT,"w");
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if(fd==NULL){
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cprintf(RED,"\nWarning: Could not open file for writing to set high voltage\n");
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return 0;
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}
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//convert to string, add 0 and write to file
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fprintf(fd, "%d0\n", dacvalue);
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fclose(fd);
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}
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//9m
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else{
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if (Feb_Control_hv_fd == -1){
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cprintf(RED,"\nWarning: High voltage serial communication not set up for 9m\n");
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return 0;
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}
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char buffer[SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE]="";
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buffer[SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE-1]='\n';
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int n = 0;
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sprintf(buffer,"p%d",dacvalue);
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n = write(Feb_Control_hv_fd, buffer, SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE);
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#ifdef VERBOSE
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cprintf(BLUE,"Sent %d Bytes\n", n);
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#endif
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//ok/fail
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n = read(Feb_Control_hv_fd, buffer, SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE);
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#ifdef VERBOSE
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cprintf(BLUE,"Received %d Bytes\n", n);
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#endif
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if(buffer[0] == 'f'){
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cprintf(RED,"\nError: Failed to set high voltage\n");
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return 0;
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}
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cprintf(GREEN,"%s\n",buffer);
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}
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return 1;
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}
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int Feb_Control_ReceiveHighVoltage(unsigned int* value){
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//normal
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if(Feb_control_normal){
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//open file
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FILE* fd=fopen(NORMAL_HIGHVOLTAGE_INPUTPORT,"r");
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if(fd==NULL){
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cprintf(RED,"\nWarning: Could not open file for writing to get high voltage\n");
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return 0;
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}
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//read, assigning line to null and readbytes to 0 then getline allocates initial buffer
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size_t readbytes=0;
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char* line=NULL;
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if(getline(&line, &readbytes, fd) == -1){
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cprintf(RED,"\nWarning: could not read file to get high voltage\n");
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return 0;
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}
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//read again to read the updated value
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rewind(fd);
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free(line);
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readbytes=0;
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readbytes = getline(&line, &readbytes, fd);
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if(readbytes == -1){
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cprintf(RED,"\nWarning: could not read file to get high voltage\n");
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return 0;
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}
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// Remove the trailing 0
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*value = atoi(line)/10;
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free(line);
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fclose(fd);
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}
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//9m
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else{
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if (Feb_Control_hv_fd == -1){
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cprintf(RED,"\nWarning: High voltage serial communication not set up for 9m\n");
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return 0;
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}
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char buffer[SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE]="";
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buffer[SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE-1]='\n';
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int n = 0;
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//request
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strcpy(buffer,"g");
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n = write(Feb_Control_hv_fd, buffer, SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE);
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#ifdef VERBOSE
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cprintf(BLUE,"Sent %d Bytes\n", n);
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#endif
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//ok/fail
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n = read(Feb_Control_hv_fd, buffer, SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE);
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#ifdef VERBOSE
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cprintf(BLUE,"Received %d Bytes\n", n);
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#endif
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if(buffer[0] == 'f'){
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cprintf(RED,"\nWarning: failed to read high voltage\n");
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return 0;
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}
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n = read(Feb_Control_hv_fd, buffer, SPECIAL9M_HIGHVOLTAGE_BUFFERSIZE);
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#ifdef VERBOSE
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cprintf(BLUE,"Received %d Bytes\n", n);
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#endif
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if (!sscanf(buffer,"%d",value)){
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cprintf(RED,"\nWarning: failed to scan high voltage read\n");
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return 0;
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}
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}
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return 1;
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}
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