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implemented high voltage for normal modules

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This commit is contained in:
Dhanya Maliakal
2016-11-11 14:43:18 +01:00
parent 44d6b0ffc0
commit b1a3a224ff
12 changed files with 104 additions and 55 deletions
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111
slsDetectorSoftware/eigerDetectorServer/FebControl.c
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@ -61,6 +61,7 @@ int Feb_Control_current_index;
int Feb_Control_counter_bit = 1;
int Feb_control_master = 0;
int Feb_control_normal = 0;
unsigned int Feb_Control_rate_correction_table[1024];
double Feb_Control_rate_meas[16384];
@ -181,11 +182,12 @@ void Feb_Control_FebControl(){
int Feb_Control_Init(int master, int top, int module_num){
int Feb_Control_Init(int master, int top, int normal, int module_num){
unsigned int i;
Feb_Control_module_number = 0;
Feb_Control_current_index = 0;
Feb_control_master = master;
Feb_control_normal = normal;
//global send
Feb_Control_AddModule1(0,1,0xff,0,1);
@ -492,59 +494,94 @@ float Feb_Control_DACToVoltage(unsigned int digital,unsigned int nsteps,float vm
}
int Feb_Control_SetHighVoltage(float value){
return Feb_Control_SetHighVoltage1(Feb_Control_module_number,value);
}
//only master gets to call this function
int Feb_Control_SetHighVoltage(int value){
int Feb_Control_SetHighVoltage1(unsigned int module_num,float value){
unsigned int module_index=0;
unsigned int i;
if(Feb_control_master){//if(Module_TopAddressIsValid(&modules[module_index])){
if(!Feb_Control_GetModuleIndex(module_num,&module_index)){/*||!Module_TopAddressIsValid(&modules[module_index])){*/
cprintf(RED,"Error could not set high voltage module number %d invalid.\n",module_num);
return 0;
}
}else
if(!Feb_control_normal){
cprintf(RED,"\nError: Setting High Voltage not implemented for special modules\n");
return 0;
}
if(!Feb_Control_SendHighVoltage(Module_GetTopRightAddress(&modules[module_index]),&value)) return 0;
if(module_index!=0) Module_SetHighVoltage(&modules[module_index],value);
else for(i=0;i<moduleSize;i++) Module_SetHighVoltage(&modules[i],value);
printf("\tHigh voltage of dst %d set to %f.\n",Module_GetTopRightAddress(&modules[module_index]),Module_GetHighVoltage(&modules[module_index]));
return 1;
}
int Feb_Control_SendHighVoltage(unsigned int dst_num,float* value){
// printf("sending high voltage to dst_num "<<dst_num<<".\n");;
printf(" Setting High Voltage: %d(v)\t",value);
static const unsigned int nsteps = 256;
static const float vmin=0;
static const float vmax=300;
unsigned int dacval = 0;
unsigned int b = 0;
if(!Feb_Control_VoltageToDAC(*value,&b,nsteps,vmin,vmax)){
printf("Waring: SetHighVoltage bad value, %f. The range is 0 to 300 V.\n",*value);
//open file
FILE* fd=fopen("/sys/class/hwmon/hwmon5/device/out0_output","w");
if(fd==NULL){
cprintf(RED,"\nWarning: Could not open file for writing to set high voltage\n");
return 0;
}
unsigned int r = 0x20000000 | (b&0xff);
if(Feb_Control_activated){
if(!Feb_Interface_WriteRegister(dst_num,0,r,0,0)){
cprintf(RED,"Warning: trouble setting high voltage for dst_num %d.\n",dst_num);
return 0;
}
//calculate dac value
if(!Feb_Control_VoltageToDAC(value,&dacval,nsteps,vmin,vmax)){
cprintf(RED,"\nWarning: SetHighVoltage bad value, %d. The range is 0 to 300 V.\n",value);
return 0;
}
//convert to string, add 0 and write to file
fprintf(fd, "%d0\n", dacval);
*value = Feb_Control_DACToVoltage(b,nsteps,vmin,vmax);
printf("%d(dac)\n", dacval);
fclose(fd);
return 1;
}
int Feb_Control_GetHighVoltage(int* value){
if(!Feb_control_normal){
cprintf(RED,"\nError: Getting High Voltage not implemented for special modules\n");
return 0;
}
printf(" Getting High Voltage: ");
static const unsigned int nsteps = 256;
static const float vmin=0;
static const float vmax=300;
unsigned int dacval = 0;
size_t readbytes=0;
char* line=NULL;
//open file
FILE* fd=fopen("/sys/class/hwmon/hwmon5/device/in0_input","r");
if(fd==NULL){
cprintf(RED,"\nWarning: Could not open file for writing to get high voltage\n");
return 0;
}
// Read twice, since the first value is sometimes outdated
if(getline(&line, &readbytes, fd) == -1){
cprintf(RED,"\nWarning: could not read file to get high voltage\n");
return 0;
}
rewind(fd);
free(line);
readbytes=0;
readbytes = getline(&line, &readbytes, fd);
if(readbytes == -1){
cprintf(RED,"\nWarning: could not read file to get high voltage\n");
return 0;
}
// Remove the trailing 0
dacval = atoi(line)/10;
//convert dac to v
*value = (int)(Feb_Control_DACToVoltage(dacval,nsteps,vmin,vmax)+0.5);
printf("%d(v)\t%d(dac)\n", *value, dacval);
free(line);
fclose(fd);
return 1;
}
int Feb_Control_DecodeDACString(char* dac_str, unsigned int* module_index, int* top, int* bottom, unsigned int* dac_ch){
char* local_s = dac_str;