ALPHAT, the trigger control board for the ALPHA-g detector
References
General characteristics
Photos
Board schematics
Available hardware
Firmware update procedure
Firmware revisions
ALPHA-g trigger functions
Control registers
Register addresses
| Address |
Quartus Name |
Access |
FwRev |
Description
|
| 0x1F |
compilation_time |
RO |
|
Firmware revision
|
| 0x20 |
conf_trig_width <= par_value;
|
| 0x21 |
conf_busy_width <= par_value;
|
| 0x22 |
conf_pulser_width <= par_value;
|
| 0x23 |
conf_pulser_period <= par_value;
|
| 0x24 |
sw_trigger_counter <= 10;
|
| 0x25 |
conf_trig_enable <= par_value;
|
| 0x26 |
conf_sas_trig_mask <= par_value; |
obsolete
|
| 0x27 |
conf_sas_trig_mask_a <= par_value; |
obsolete
|
| 0x28 |
conf_sas_trig_mask_b <= par_value; |
obsolete
|
| 0x29 |
conf_nim_mask <= par_value;
|
| 0x2A |
conf_esata_mask <= par_value;
|
| 0x2B |
conf_latch <= 1;
|
| 0x2C |
conf_coinc_a <= par_value;
|
| 0x2D |
conf_coinc_b <= par_value;
|
| 0x2E |
conf_coinc_c <= par_value;
|
| 0x2F |
conf_coinc_d <= par_value;
|
remaining GRIF-C registers
14'h001: param_out <= {2'h3, par_id, chan, 16'h0, threshold };
14'h002: param_out <= {2'h3, par_id, chan, pulser_ctrl };
14'h003: param_out <= {2'h3, par_id, chan, 31'h0, polarity };
14'h004: param_out <= {2'h3, par_id, chan, 16'h0, diff_const };
14'h005: param_out <= {2'h3, par_id, chan, 16'h0, integ_const };
14'h006: param_out <= {2'h3, par_id, chan, 22'h0, decimation };
14'h007: param_out <= {2'h3, par_id, chan, 16'h0, num_pretrig };
14'h008: param_out <= {2'h3, par_id, chan, 16'h0, num_sample };
14'h009: param_out <= {2'h3, par_id, chan, 16'h0, pole_corn };
14'h00A: param_out <= {2'h3, par_id, chan, 16'h0, hitdet_integ };
14'h00B: param_out <= {2'h3, par_id, chan, 16'h0, hitdet_diff };
14'h00C: param_out <= {2'h3, par_id, chan, 16'h0, integ_delay };
14'h00D: param_out <= {2'h3, par_id, chan, 30'h0, wavebuf_mode };
14'h00E: param_out <= {2'h3, par_id, chan, trig_deadtime};
14'h00F: param_out <= {2'h3, par_id, chan, 31'h0, enable_adc };
14'h010: param_out <= {2'h3, par_id, chan, 28'h0, detectortype };
14'h011: param_out <= {2'h3, par_id, chan, sync_livetime};
14'h012: param_out <= {2'h3, par_id, chan, sync_deadtime};
GRIF-C CSR register
14'h3D: csr <= csr & ~par_value; // Selective clear
14'h3E: csr <= csr | par_value; // Selective set
14'h3F: csr <= par_value;
0x100..0x11F: scaler_data[1023..0]
0x200..0x207: conf_adc16_masks
0x300..0x30F: conf_adc32_masks
0x400..0x41F: ag_sas_bits[1023..0]
map of scaler_data:
if (i==0)
assign scaler_data_wire[i*32+31:i*32] = ts_625;
else if (i==1)
assign scaler_data_wire[i*32+31:i*32] = counter_trig_out;
else if (i==2)
assign scaler_data_wire[i*32+31:i*32] = counter_trig_in;
else if (i==3)
assign scaler_data_wire[i*32+31:i*32] = counter_pulser;
else if (i==4)
assign scaler_data_wire[i*32+31:i*32] = counter_adc16_grand_or;
else if (i==5)
assign scaler_data_wire[i*32+31:i*32] = counter_adc32_grand_or;
else if (i==6)
assign scaler_data_wire[i*32+31:i*32] = counter_adc_grand_or;
else if (i==7)
assign scaler_data_wire[i*32+31:i*32] = counter_esata_nim_grand_or;
else if (i==8)
assign scaler_data_wire[i*32+31:i*32] = counter_mult16_1ormore;
else if (i==9)
assign scaler_data_wire[i*32+31:i*32] = counter_mult16_2ormore;
else if (i==10)
assign scaler_data_wire[i*32+31:i*32] = counter_mult16_3ormore;
else if (i==11)
assign scaler_data_wire[i*32+31:i*32] = counter_mult16_4ormore;
else if (i==12)
assign scaler_data_wire[i*32+31:i*32] = counter_cc01;
else if (i==13)
assign scaler_data_wire[i*32+31:i*32] = counter_cc23;
else if (i==14)
assign scaler_data_wire[i*32+31:i*32] = counter_cc45;
else if (i==15)
assign scaler_data_wire[i*32+31:i*32] = counter_cc67;
else if (i==16)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[1][15:0], counter_adc16_or16[0][15:0] };
else if (i==17)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[3][15:0], counter_adc16_or16[2][15:0] };
else if (i==18)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[5][15:0], counter_adc16_or16[4][15:0] };
else if (i==19)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[7][15:0], counter_adc16_or16[6][15:0] };
else if (i==20)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[9][15:0], counter_adc16_or16[8][15:0] };
else if (i==21)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[11][15:0], counter_adc16_or16[10][15:0] };
else if (i==22)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[13][15:0], counter_adc16_or16[12][15:0] };
else if (i==23)
assign scaler_data_wire[i*32+31:i*32] = { counter_adc16_or16[15][15:0], counter_adc16_or16[14][15:0] };
else
assign scaler_data_wire[1023:i*32] = 0;
conf_trig_enable bits
| Bit |
Quartus Name |
FwRev |
Description
|
| 0 |
conf_enable_sw_trigger |
init |
???
|
| 13 |
conf_enable_udp |
0x5a7a3fbd (06Feb18_15:52) |
enable sending UDP packets
|
| 14 |
conf_enable_busy |
0x5a7a3fbd (06Feb18_15:52) |
enable activation of busy counter
|
wire conf_enable_sw_trigger = conf_trig_enable[0];
wire conf_enable_pulser = conf_trig_enable[1];
wire conf_enable_sas_or = conf_trig_enable[2];
wire conf_run_pulser = conf_trig_enable[3];
wire conf_output_pulser = conf_trig_enable[4];
wire conf_enable_esata_nim = conf_trig_enable[5];
wire conf_enable_adc16 = conf_trig_enable[6];
wire conf_enable_adc32 = conf_trig_enable[7];
wire conf_enable_1ormore = conf_trig_enable[8];
wire conf_enable_2ormore = conf_trig_enable[9];
wire conf_enable_3ormore = conf_trig_enable[10];
wire conf_enable_4ormore = conf_trig_enable[11];
wire conf_enable_adc16_coinc = conf_trig_enable[12];
wire conf_enable_udp = conf_trig_enable[13];
wire conf_enable_busy = conf_trig_enable[14];
wire conf_enable_coinc_a = conf_trig_enable[16];
wire conf_enable_coinc_b = conf_trig_enable[17];
wire conf_enable_coinc_c = conf_trig_enable[18];
wire conf_enable_coinc_d = conf_trig_enable[19];
UDP data format
| Offset |
Name |
Quartus name |
FwRev |
Description
|
| 0 |
packet counter |
none |
all |
UDP packet counter, counting from 0, reset by reboot. Automatically added by UDP transmitter code in the GRIFC base firmware
|
| 1 |
0x8 packet header |
|
all |
28 bits of counter_trig_out
|
| 2 |
trigger timestamp |
trig_ts |
all |
62.5MHz trigger timestamp
|
| 3 |
accepted triggers |
counter_trig_out |
all |
counter of accepted triggers
|
| 4 |
input triggers |
counter_trig_in |
all |
counter of trigger input
|
| 5 |
pulser triggers |
counter_pulser |
all |
counter of pulser triggers
|
| 6 |
trigger bitmap |
udp_trig_bits |
0x5a48448d (30Dec17_17:59) |
bitmap of trigger information, see below
|
| 7 |
nim bits |
udp_nim_bits_masked |
??? |
32 bits of ADC NIM inputs (2 bits per ADC)
|
| 8 |
esata bits |
udp_esata_bits_masked |
??? |
32 bits of ADC ESATA inputs (2 bits per ADC)
|
| X |
|
|
|
|
| 9 |
0x9 packet footer |
|
all |
28 bits of counter_trig_out
|
trigger bitmap
udp_trig_bits[0] <= adc16_grand_or;
udp_trig_bits[1] <= adc32_grand_or;
udp_trig_bits[2] <= adc_grand_or;
udp_trig_bits[3] <= esata_nim_grand_or;
udp_trig_bits[4] <= adc16_coinc_top;
udp_trig_bits[5] <= adc16_coinc_bot;
udp_trig_bits[6] <= adc16_coinc;
udp_trig_bits[7] <= 0;
udp_trig_bits[23:8] <= adc16_coinc_dff[15:0];
udp_trig_bits[31:24] <= mult16[7:0];
TODO
- add FwRev to the UDP data output
End
//KO