class CMD_ACQ:
def __init__(self):
self.bc = Brd_Config()
def init_chk(self ):
self.bc.Acq_start_stop(0)
print ("ADC hard reset after power on")
self.bc.adc.hard_reset()
init_str = self.bc.adc_read_reg(0)
if (init_str == '0x52'):
print ("ADC hard reset is done, I2C link looks good!")
def ref_set(self, flg_bjt_r = True, env = "RT" ):
if (flg_bjt_r):
self.bc.adc_ref_vol_src("BJT")
print ("Internal BJT voltage references are used")
self.bc.adc_bias_curr_src("BJT")
print ("Bias currents come from BJT-based references")
if (env == "RT"):
vrefp_voft = 0xf0#0xe4#0xf0#0xe4
vrefn_voft = 0x08#0x24#0x08#0x24
vcmi_voft = 0x5c#0x60#0x50#0x60
vcmo_voft = 0x82#0x82
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
else:
vrefp_voft = 0xd4#0xf1
vrefn_voft = 0x28#0x29
vcmi_voft = 0x58#0x65
vcmo_voft = 0x8d
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
self.bc.adc_set_vrefs(vrefp_voft, vrefn_voft, vcmo_voft, vcmi_voft )
self.bc.adc_set_ioffset(vrefp_ioft, vrefn_ioft, vcmo_ioft, vcmi_ioft)
print ("BJT reference is set to pre-calibrated values!")
ibuff0_15 = 0x99
ibuff1_16 = 0x99
ivdac0_17 = 0x99
ivdac1_18 = 0x99
self.bc.adc_set_curr_ibuff(ibuff0_15, ibuff1_16)
self.bc.adc_set_curr_vdac(ivdac0_17, ivdac1_18)
print ("BJT current source for input buffer and VDAC is set to default values!")
else:
self.bc.adc_ref_vol_src("CMOS")
print ("CMOS voltage references are used")
self.bc.adc_bias_curr_src("CMOS_INTR")
print ("Bias currents come from CMOS-basedreference with internal R")
if (env == "RT"):
vrefp_voft = 0xce#0xe1
vrefn_voft = 0x2b#0x0f
vcmi_voft = 0x5b#0x5c
vcmo_voft = 0x7b
else:
vrefp_voft = 0xc8#0xd0
vrefn_voft = 0x2e#0x10
vcmi_voft = 0x5b
vcmo_voft = 0x7b
self.bc.adc_set_cmos_vrefs(vrefp_voft, vrefn_voft, vcmi_voft, vcmo_voft)
print ("CMOS reference is set to pre-calibrated values!")
iref_trim = 50
self.bc.adc_set_cmos_iref_trim(iref_trim)
print ("Set vt-reference current to 50uA by default!")
ibuff0_cmos = 0x27
ibuff1_cmos = 0x27
self.bc.adc_set_cmos_ibuff(ibuff0_cmos, ibuff1_cmos)
print ("CMOS bias source for the input buffer is set!")
def bjt_ref_aux(self, mon_src = "VREFP", mux_src = "AUX_VOLTAGE", avg_points =5 ):
self.bc.cots_adc_bjt_mon_src(src = mon_src)
self.bc.cots_adc_mux_mon_src(src = mux_src )
self.bc.cots_adc_data(avr = 2)
val = self.bc.cots_adc_data(avr = avg_points)
print ("MUX = %s, %s = %f"%(mux_src, mon_src, val))
return val
def all_bjt_ref_auxs(self ):
vref = self.bjt_ref_aux(mon_src = "VREF_ext", mux_src = "AUX_VOLTAGE")
vrefn = self.bjt_ref_aux(mon_src = "VREFN", mux_src = "AUX_VOLTAGE")
vrefp = self.bjt_ref_aux(mon_src = "VREFP", mux_src = "AUX_VOLTAGE")
vcmi = self.bjt_ref_aux(mon_src = "VCMI", mux_src = "AUX_VOLTAGE")
vcmo = self.bjt_ref_aux(mon_src = "VCMO", mux_src = "AUX_VOLTAGE")
vbgr = self.bjt_ref_aux(mon_src = "VBGR_1.2V", mux_src = "AUX_VOLTAGE")
vdac0_5k = self.bjt_ref_aux(mon_src = "Vdac0_5k", mux_src = "AUX_ISOURCE")
vdac1_5k = self.bjt_ref_aux(mon_src = "Vdac1_5k", mux_src = "AUX_ISOURCE")
ibuff0_5k = self.bjt_ref_aux(mon_src = "ibuff0_5k", mux_src = "AUX_ISOURCE")
ibuff1_5k = self.bjt_ref_aux(mon_src = "ibuff1_5k", mux_src = "AUX_ISOURCE")
isink_adc1_5k = self.bjt_ref_aux(mon_src = "Isink_adc1_5k", mux_src = "AUX_ISINK")
isink_adc0_5k = self.bjt_ref_aux(mon_src = "Isink_adc0_5k", mux_src = "AUX_ISINK")
isink_sha1_5k = self.bjt_ref_aux(mon_src = "Isink_sha1_5k", mux_src = "AUX_ISINK")
isink_sha0_5k = self.bjt_ref_aux(mon_src = "Isink_sha0_5k", mux_src = "AUX_ISINK")
isink_refbuf0_5k = self.bjt_ref_aux(mon_src = "Isink_refbuf0_5k", mux_src = "AUX_ISINK")
isink_refbuf1_5k = self.bjt_ref_aux(mon_src = "Isink_refbuf1_5k", mux_src = "AUX_ISINK")
return (vref, vrefn, vrefp, vcmi, vcmo, vbgr, vdac0_5k, vdac1_5k, ibuff0_5k, ibuff1_5k,
isink_adc1_5k, isink_adc0_5k, isink_sha1_5k, isink_sha0_5k, isink_refbuf0_5k, isink_refbuf1_5k )
def ref_vmon(self, vmon = "VBGR", avg_points =5 ):
self.bc.cots_adc_mux_mon_src(src = "VOLTAGE_MON")
self.bc.cost_adc_v_mon_ena(1)
self.bc.cost_adc_v_mon_select(vmon)
self.bc.cots_adc_data(avr = 2)
val = self.bc.cots_adc_data(avr = avg_points)
self.bc.cost_adc_v_mon_ena(0)
print ("MUX = VOLTAGE_MON, %s = %f"%( vmon, val))
return val
def all_ref_vmons(self ):
vbgr = self.ref_vmon(vmon = "VBGR" )
vcmi = self.ref_vmon(vmon = "VCMI" )
vcmo = self.ref_vmon(vmon = "VCMO" )
vrefp = self.ref_vmon(vmon = "VREFP" )
vrefn = self.ref_vmon(vmon = "VREFN" )
vssa = self.ref_vmon(vmon = "VSSA" )
return (vbgr, vcmi, vcmo, vrefp, vrefn, vssa)
def ref_imon(self, imon = "ICMOS_REF_5k", avg_points =5 ):
self.bc.cots_adc_mux_mon_src(src = "CURRENT_MON")
self.bc.cost_adc_i_mon_ena(1)
self.bc.cost_adc_i_mon_select(imon)
self.bc.cots_adc_data(avr = 2)
val = self.bc.cots_adc_data(avr = avg_points)
self.bc.cost_adc_i_mon_ena(0)
print ("MUX = CURRENT_MON, %s = %f"%( imon, val))
return val
def all_ref_imons(self ):
icmos_ref_5k = self.ref_imon(imon = "ICMOS_REF_5k" )
isha0_5k = self.ref_imon(imon = "ISHA0_5k" )
iadc0_5k = self.ref_imon(imon = "IADC0_5k" )
isha1_5k = self.ref_imon(imon = "ISHA1_5k" )
iadc1_5k = self.ref_imon(imon = "IADC1_5k" )
ibuff_cmos = self.ref_imon(imon = "IBUFF_CMOS" )
iref_5k = self.ref_imon(imon = "IREF_5k" )
irefbuffer0 = self.ref_imon(imon = "IREFBUFFER0" )
return (icmos_ref_5k, isha0_5k, iadc0_5k, isha1_5k, iadc1_5k, ibuff_cmos, iref_5k, irefbuffer0 )
def Converter_Config(self, edge_sel = "Normal", out_format = "two-complement",
adc_sync_mode ="Normal", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50):
self.bc.adc_edge_select(mode = edge_sel)
self.bc.adc_outputformat(oformat = out_format)
self.bc.adc_sync_mode(mode = adc_sync_mode)
self.bc.adc_test_input(mode = adc_test_input)
self.bc.adc_output_select(option = adc_output_sel)
self.bc.adc_set_adc_bias(val = adc_bias_uA)
def Input_buffer_cfg( self, sdc = "Bypass", db = "Bypass", sha = "Single-ended", curr_src = "BJT-sd"):
self.bc.adc_sdc_select(sdc)
self.bc.adc_db_select(db)
if (sha == "Single-ended"):
self.bc.adc_sha_input(1)
else:
self.bc.adc_sha_input(0)
self.bc.adc_ibuff_ctrl(curr_src)
def get_adcdata(self, PktNum=128 ):
self.bc.Acq_start_stop(1)
rawdata = self.bc.udp.get_pure_rawdata(PktNum+1000 )
self.bc.Acq_start_stop(0)
chns = raw_conv(rawdata, PktNum)[0]
# self.bc.Acq_start_stop(1)
# rawdata = self.bc.get_data(PktNum,1, Jumbo="Jumbo") #packet check
# self.bc.Acq_start_stop(0)
# frames_inst = Frames(PktNum,rawdata)
# frames = frames_inst.packets()
# #Change it to emit all 16 channels data
# chns=[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]] #16-bit
# for i in range(PktNum):
# for j in range(16): #16 channels
# chns[j].append(frames[i].ADCdata[j])
return chns
def get_adcdata_raw(self, PktNum=128 ):
self.bc.Acq_start_stop(1)
rawdata = self.bc.udp.get_pure_rawdata(PktNum+1000 )
self.bc.Acq_start_stop(0)
chns = raw_conv(rawdata, PktNum)[1]
# rawdata = self.bc.get_data(PktNum,1, Jumbo="Jumbo") #packet check
# return rawdata
return chns
def chn_order_sync(self, PktNum=128 ):
print ("Starting ADC physical channel and logical channel mapping...")
self.bc.adc_load_pattern_0(0x01, 0x01)
self.bc.adc_load_pattern_1(0x01, 0x01)
woc_f = False
for chn_order in range(32):
self.bc.adc_framemarker_shift (num = chn_order)
self.bc.adc_test_data_mode(mode = "Test Pattern")
chns = self.get_adcdata(PktNum=128)
nibble_sync_f = True
for chndata in chns:
if (chndata[1]&0xFFFF) != 0x0101:
nibble_sync_f = False
break
if nibble_sync_f:
self.bc.adc_test_data_mode(mode = "Normal")
chns = self.get_adcdata(PktNum=128)
for i in range(10):
chns = self.get_adcdata(PktNum=128)
if(( (chns[0][1] & 0xFFFF) > 0xE000) and
( (chns[1][1] & 0xFFFF) > 0x4000) and ((chns[1][1] &0xFFFF) < 0xE000) and
( (chns[2][1] & 0xFFFF) < 0x4000) and
( (chns[3][1] & 0xFFFF) > 0x4000) and ((chns[2][1] &0xFFFF) < 0xE000) and
( (chns[4][1] & 0xFFFF) > 0x4000) and ((chns[4][1] &0xFFFF) < 0xE000) and
( (chns[5][1] & 0xFFFF) > 0x4000) and ((chns[5][1] &0xFFFF) < 0xE000) and
( (chns[6][1] & 0xFFFF) > 0x4000) and ((chns[6][1] &0xFFFF) < 0xE000) and
( (chns[7][1] & 0xFFFF) > 0x4000) and ((chns[7][1] &0xFFFF) < 0xE000) and
( (chns[8][1] & 0xFFFF) > 0xE000) and
( (chns[9][1] & 0xFFFF) > 0x4000) and ((chns[9][1] &0xFFFF) < 0xE000) and
( (chns[10][1]& 0xFFFF) < 0x4000) and
( (chns[11][1]& 0xFFFF) > 0x4000) and ((chns[10][1] &0xFFFF) < 0xE000) and
( (chns[12][1]& 0xFFFF) > 0x4000) and ((chns[12][1] &0xFFFF) < 0xE000) and
( (chns[13][1]& 0xFFFF) > 0x4000) and ((chns[13][1] &0xFFFF) < 0xE000) and
( (chns[14][1]& 0xFFFF) > 0x4000) and ((chns[14][1] &0xFFFF) < 0xE000) and
( (chns[15][1]& 0xFFFF) > 0x4000) and ((chns[15][1] &0xFFFF) < 0xE000) ):
woc_f = True
else:
woc_f = False
break
if woc_f == True:
print ("ADC chn order is %d"%chn_order)
print ("ADC physical channel and logical channel mapping is done")
break
else:
woc_f = False
pass
return woc_f
def fe_cfg(self,sts=16*[0], snc=16*[0], sg=16*[3], st=16*[2], sbf = 16*[0], sdc = 0, sdacsw=0, fpga_dac=0,asic_dac=0, delay=10, period=200, width=0xa00 ):
self.bc.sts = sts
self.bc.snc = snc
self.bc.sg = sg
self.bc.st = st
self.bc.sbf = sbf #buffer on
self.bc.sdc = sdc #FE AC
self.bc.sdacsw = sdacsw
self.bc.sdac = asic_dac
self.bc.fe_spi_config()
if sdacsw == 0:
mode = "RMS"
elif sdacsw == 1:
mode = "External"
elif sdacsw == 2:
mode = "Internal"
self.bc.fe_pulse_config(mode)
self.bc.fe_fpga_dac(fpga_dac)
self.bc.fe_pulse_param(delay, period, width)
def adc_cfg(self, adc_sdc="Bypass", adc_db="Bypass", adc_sha="Single-Ended", adc_curr_src="BJT-sd", env="RT", flg_bjt_r=True):
#default BJT reference
woc_f = False
while(woc_f==False):
self.init_chk()
self.ref_set(flg_bjt_r = flg_bjt_r , env=env)
time.sleep(1)
self.all_ref_vmons( )
self.Input_buffer_cfg(sdc = adc_sdc, db = adc_db, sha = adc_sha, curr_src = adc_curr_src)
#self.Input_buffer_cfg(sdc = "On", db = "Bypass", sha = "Diff", curr_src = "BJT-sd")
self.bc.adc_sha_clk_sel(mode = "internal")
self.Converter_Config(edge_sel = "Normal", out_format = "offset binary",
adc_sync_mode ="Analog pattern", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
self.bc.udp.clr_server_buf()
woc_f = self.chn_order_sync()
self.Converter_Config(edge_sel = "Normal", out_format = "two-complement",
adc_sync_mode ="Normal", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
print ("Manual Calibration starting, wait...")
self.bc.udp.clr_server_buf()
self.bc.adc_autocali(avr=20000,saveflag="undef")
self.Converter_Config(edge_sel = "Normal", out_format = "offset binary",
adc_sync_mode ="Normal", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
print ("Manual Calibration is done, back to normal")
#brd_config.adc_set_vrefs(0xff,0x40,0x9F,0x7B)
#
##load_ADC pattern
#brd_config.adc_load_pattern_0(0x8a,0x8a)
#brd_config.adc_load_pattern_1(0xA0,0xA0)
#brd_config.adc_test_data_mode("test")
#
#brd_config.adc_test_data_mode("Normal")
#
#brd_config.adc_outputformat("offset")
##brd_config.adc_framemarker_shift(2)
#brd_config.adc_sync_mode("sync")
#brd_config.Acq_start_stop(0)
#brd_config.Acq_start_stop(0)
time.sleep(1)
brd_config.Acq_start_stop(1)
################################################
pktnum = 1000
adcdata = brd_config.get_data(pktnum, 0, 'Jumbo')
brd_config.Acq_start_stop(0)
frames_inst = Frames(pktnum, adcdata)
frames = frames_inst.packets()
###############################################
def complement(num, complete):
if complete == "2s":
if (num <= 32767):
result = num
else:
result = (num % 32768 - 32768)
class CMD_ACQ:
def err_log(self, s):
err_file = open("Error_Log.txt", "a") #append mode
err_file.write(s)
err_file.close()
def pass_log(self, s):
pass_file = open("Pass_Log.txt", "a") #append mode
pass_file.write(s)
pass_file.close()
def status(self, s):
stat_file = open("Status.txt", "w") #write mode
stat_file.write(s)
stat_file.close()
def __init__(self):
self.flg_bjt_r = True
self.bc = Brd_Config()
self.vp_vcmi = False
self.vn_vcmi = False
self.vm_vcmi = False
self.vp_vcmo = False
self.vn_vcmo = False
self.vm_vcmo = False
self.vp_vrefp = False
self.vn_vrefp = False
self.vm_vrefp = False
self.vp_vrefn = False
self.vn_vrefn = False
self.vm_vrefn = False
self.vrefp_voft = 0xe5
self.vrefn_voft = 0x27
self.vcmi_voft = 0x5c
self.vcmo_voft = 0x87
self.iref_trim = 45 #minimum is 35,
self.adc_bias_uA = 50
# if (env == "RT"):
##for chip soldered on board C2
## vrefp_voft = 0xe1#0xe5#0xe0#0xde#0xe4#0xe1#0xf0#0xf8#0xe4
## vrefn_voft = 0x27#0x25#0x21#0x26#0x24#0x27#0x08#0x10#0x24
## vcmi_voft = 0x60#0x5c#0x60#0x50#0x60
## vcmo_voft = 0x82
# self.vrefp_voft = 0xe5#0xe5#0xe0#0xde#0xe4#0xe1#0xf0#0xf8#0xe4
# self.vrefn_voft = 0x27#0x25#0x21#0x26#0x24#0x27#0x08#0x10#0x24
# self.vcmi_voft = 0x5c#0x60#0x5c#0x60#0x50#0x60
# self.vcmo_voft = 0x87#0x82
# else:
# self.vrefp_voft = 0xd7#0xdc#0xdc#0xeb#0xf1
# self.vrefn_voft = 0x23#0x23#0x26#0x47#0x2b#0x29
# self.vcmi_voft = 0x60#0x50#0x64#0x7e#0x64#0x65
# self.vcmo_voft = 0x80#0x78#0x7d#0x9d#0x7c#0x8d
def init_chk(self):
#Hard reset ADC -> Read register 0 -> Soft reset (necessary for default page 2 registers, recently discovered problem)
self.bc.Acq_start_stop(0)
print("ADC hard reset after power on")
self.bc.adc.hard_reset()
init_str = self.bc.adc_read_reg(0)
if (init_str != '0x52'):
self.status("FAIL")
self.err_log(
"Initialization check failed. Read/Write not working correctly. \n"
)
self.bc.adc_soft_reset()
def i2c_chk(self):
#Read and Write register with I2C
self.bc.Acq_start_stop(0)
self.bc.adc_i2c_uart("I2C")
self.bc.adc_write_reg(1, 0x22)
i2c_write = self.bc.adc_read_reg(1)
if (i2c_write != '0x22'):
self.status("FAIL")
self.err_log(
"I2C check failed. Read/Write not working correctly. \n")
else:
print("I2C Connection works")
self.pass_log("I2C Read/Write: PASS \n")
def uart_chk(self):
#Read and Write register with UART
self.bc.Acq_start_stop(0)
self.bc.adc_i2c_uart("UART")
self.bc.adc_write_reg(1, 0x22)
uart_write = self.bc.adc_read_reg(1)
if (uart_write != '0x22'):
self.status("FAIL")
self.err_log(
"UART check failed. Read/Write not working correctly. \n")
else:
print("UART Connection works")
self.pass_log("UART Read/Write: PASS \n")
def pattern_chk(self):
#Check ADC0 and ADC1 default test patterns
self.bc.adc.hard_reset()
adc0_h = self.bc.adc_read_reg(52)
adc0_l = self.bc.adc_read_reg(51)
if (adc0_h != '0xab' or adc0_l != '0xcd'):
self.status("FAIL")
self.err_log("ADC0 Configuration Pattern: unexpected value \n")
adc1_h = self.bc.adc_read_reg(54)
adc1_l = self.bc.adc_read_reg(53)
if (adc1_h != '0x12' or adc1_l != '0x34'):
self.status("FAIL")
self.err_log("ADC1 Configuration Pattern: unexpected value \n")
else:
print("ADC configuration pattern is good")
self.pass_log("Configuration pattern: PASS \n")
def regs_chk(self):
self.bc.adc.hard_reset()
reg = []
flg = 0
#Check page 1 registers
default = [
0x52, 0x00, 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x0a, 0x00, 0xfa,
0x3a, 0x9a, 0x73, 0xff, 0x99, 0x99, 0x99, 0x99, 0x00, 0x00, 0x00,
0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x27, 0x27, 0x00, 0x7f,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa5, 0xca,
0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0xcd, 0xab, 0x34, 0x12
]
for i in range(0, 50):
reg.append(int((self.bc.adc_read_reg(i)), 16))
if (reg[i] != default[i]):
#If non-default register value is found, Status = FAIL and report issue in Error Log
self.status("FAIL")
self.err_log(
"Register %d (page 1) value %x1 instead of default value %d \n"
% (i, reg[i], default[i]))
flg = 1
#Check page 2 registers
reg2 = []
default2 = [
0x04, 0xff, 0x00
] #default registers are NOT the ones reported in datasheet
for i in range(1, 4):
reg2.append(self.bc.adc.I2C_read(self.bc.chip_id, 2, i))
if (reg2[i - 1] != default2[i - 1]):
self.status("FAIL")
self.err_log(
"Register %d (page 2) value %s instead of default value %d \n"
% (i, reg2[i - 1], default2[i - 1]))
flg = 1
#If everything is default, send PASS message
if (flg == 0):
print("Default registers are good")
self.pass_log("Default registers: PASS \n")
def refs_chk(self):
#Sweeps reference voltages and currents
avgs = 1
if (self.flg_bjt_r):
self.bc.adc_ref_vol_src("BJT")
self.bc.adc_bias_curr_src("BJT")
vrefp_bjt = []
vrefn_bjt = []
vcmi_bjt = []
vcmo_bjt = []
ibuff0_bjt = []
ibuff1_bjt = []
ivdac0_bjt = []
ivdac1_bjt = []
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
vbgr = self.ref_vmon(vmon="VBGR")
#Checks VBGR normal value
if (vbgr > 1.3 or vbgr < 1.1):
self.status("FAIL")
self.err_log(
"Bandgap Reference out of expected range: VBGR = %0.3f \n"
% (vbgr))
else:
self.pass_log("Bandgap reference: PASS \n")
self.bc.adc_set_ioffset(vrefp_ioft, vrefn_ioft, vcmo_ioft,
vcmi_ioft)
for j in range(avgs):
if (j == 0):
#Codes between 0 and 256. Take data every 15
for i in range(0, 256, 15):
#Set and collect IBUFF and IDAC values
self.bc.adc_set_curr_ibuff(i, i)
ibuff0_bjt.append(
self.bjt_ref_aux("ibuff0_5k", "AUX_ISOURCE"))
ibuff1_bjt.append(
self.bjt_ref_aux("ibuff1_5k", "AUX_ISOURCE"))
self.bc.adc_set_curr_vdac(i, i)
ivdac0_bjt.append(
self.bjt_ref_aux("Vdac0_5k", "AUX_ISOURCE"))
ivdac1_bjt.append(
self.bjt_ref_aux("Vdac1_5k", "AUX_ISOURCE"))
#Set and collect VREFs values
self.bc.adc_set_vrefs(i, i, i, i)
vcmi_i, vcmo_i, vrefp_i, vrefn_i = self.ref_vmons()
print(i, vcmi_i, vcmo_i, vrefp_i, vrefn_i)
vcmi_bjt.append(vcmi_i)
vcmo_bjt.append(vcmo_i)
vrefp_bjt.append(vrefp_i)
vrefn_bjt.append(vrefn_i)
else:
#Only for avgs > 1
for i in range(0, 256, 15):
self.bc.adc_set_vrefs(i, i, i, i)
time.sleep(0.1)
vcmi_i, vcmo_i, vrefp_i, vrefn_i = self.ref_vmons()
vcmi_bjt[i] += vcmi_i
vcmo_bjt[i] += vcmo_i
vrefp_bjt[i] += vrefp_i
vrefn_bjt[i] += vrefn_i
self.bc.adc_set_curr_ibuff(i, i)
ibuff0_bjt[i] += self.bjt_ref_aux(
"ibuff0_5k", "AUX_ISOURCE")
ibuff1_bjt[i] += self.bjt_ref_aux(
"ibuff1_5k", "AUX_ISOURCE")
self.bc.adc_set_curr_vdac(i, i)
ivdac0_bjt[i] += self.bjt_ref_aux(
"Vdac0_5k", "AUX_ISOURCE")
ivdac1_bjt[i] += self.bjt_ref_aux(
"Vdac1_5k", "AUX_ISOURCE")
vrefp_bjt[:] = [x / avgs for x in vrefp_bjt]
vrefn_bjt[:] = [x / avgs for x in vrefn_bjt]
vcmi_bjt[:] = [x / avgs for x in vcmi_bjt]
vcmo_bjt[:] = [x / avgs for x in vcmo_bjt]
ibuff0_bjt[:] = [x / avgs for x in ibuff0_bjt]
ibuff1_bjt[:] = [x / avgs for x in ibuff1_bjt]
ivdac0_bjt[:] = [x / avgs for x in ivdac0_bjt]
ivdac1_bjt[:] = [x / avgs for x in ivdac1_bjt]
return (vrefp_bjt, vrefn_bjt, vcmi_bjt, vcmo_bjt, ibuff0_bjt,
ibuff1_bjt, ivdac0_bjt, ivdac1_bjt)
else:
#Repeat same procedure for CMOS references
self.bc.adc_ref_vol_src("CMOS")
self.bc.adc_bias_curr_src("CMOS_INTR")
vrefp_cmos = []
vrefn_cmos = []
vcmi_cmos = []
vcmo_cmos = []
ibuff_cmos = []
self.bc.adc_set_cmos_iref_trim(self.iref_trim)
for j in range(avgs):
if (j == 0):
for i in range(0, 256, 15):
self.bc.adc_set_cmos_vrefs(i, i, i, i)
vcmi_i, vcmo_i, vrefp_i, vrefn_i = self.ref_vmons()
vcmi_cmos.append(vcmi_i)
vcmo_cmos.append(vcmo_i)
vrefp_cmos.append(vrefp_i)
vrefn_cmos.append(vrefn_i)
for k in range(0, 64, 3):
print(k)
self.bc.adc_set_cmos_ibuff(k, k)
ibuff_cmos.append(self.ref_imon(imon="IBUFF_CMOS"))
else:
for i in range(0, 256, 15):
self.bc.adc_set_cmos_vrefs(i, i, i, i)
vcmi_i, vcmo_i, vrefp_i, vrefn_i = self.ref_vmons()
vcmi_cmos[i] += vcmi_i
vcmo_cmos[i] += vcmo_i
vrefp_cmos[i] += vrefp_i
vrefn_cmos[i] += vrefn_i
for k in range(0, 64, 3):
self.bc.adc_set_cmos_ibuff(k, k)
ibuff_cmos[k] += self.ref_imon(imon="IBUFF_CMOS")
vrefp_cmos[:] = [x / avgs for x in vrefp_cmos]
vrefn_cmos[:] = [x / avgs for x in vrefn_cmos]
vcmi_cmos[:] = [x / avgs for x in vcmi_cmos]
vcmo_cmos[:] = [x / avgs for x in vcmo_cmos]
ibuff_cmos[:] = [x / avgs for x in ibuff_cmos]
return (vrefp_cmos, vrefn_cmos, vcmi_cmos, vcmo_cmos, ibuff_cmos)
def find_ref(self, vreg, vp, vn, vm, vread, vset):
if (vp and vn):
pass
else:
if (vread > vset + 0.01):
vreg -= 1
vp = True
elif (vread < vset - 0.01):
vreg += 1
vp = vp
vn = True
else:
vreg = vreg
vm = True
return vreg, vp, vn, vm
def ref_set_find(self, fn=""):
if (self.flg_bjt_r):
self.bc.adc_ref_vol_src("BJT")
print("Internal BJT voltage references are used")
self.bc.adc_bias_curr_src("BJT")
print("Bias currents come from BJT-based references")
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
self.bc.adc_set_ioffset(vrefp_ioft, vrefn_ioft, vcmo_ioft,
vcmi_ioft)
ibuff0_15 = 0x99
ibuff1_16 = 0x99
ivdac0_17 = 0x99
ivdac1_18 = 0x99
self.bc.adc_set_curr_ibuff(ibuff0_15, ibuff1_16)
self.bc.adc_set_curr_vdac(ivdac0_17, ivdac1_18)
print(
"BJT current source for input buffer and VDAC is set to default values!"
)
print("BJT reference is being calibrated")
self.vp_vcmi = False
self.vn_vcmi = False
self.vm_vcmi = False
self.vp_vcmo = False
self.vn_vcmo = False
self.vm_vcmo = False
self.vp_vrefp = False
self.vn_vrefp = False
self.vm_vrefp = False
self.vp_vrefn = False
self.vn_vrefn = False
self.vm_vrefn = False
self.vrefp_voft = 0xe2
self.vrefn_voft = 0x22
self.vcmi_voft = 0x60
self.vcmo_voft = 0x80
while (True):
vrefp_f = False
vrefn_f = False
vcmi_f = False
vcmo_f = False
self.bc.adc_set_vrefs(self.vrefp_voft, self.vrefn_voft,
self.vcmo_voft, self.vcmi_voft)
vbgr, vcmi, vcmo, vrefp, vrefn, vssa = self.all_ref_vmons()
if not ((self.vp_vrefp and self.vn_vrefp) or self.vm_vrefp):
self.vrefp_voft, self.vp_vrefp, self.vn_vrefp, self.vm_vrefp = \
self.find_ref(self.vrefp_voft, self.vp_vrefp, self.vn_vrefp, self.vm_vrefp, vread=vrefp, vset=1.95 )
else:
vrefp_f = True
if not ((self.vp_vrefn and self.vn_vrefn) or self.vm_vrefn):
self.vrefn_voft, self.vp_vrefn, self.vn_vrefn, self.vm_vrefn = \
self.find_ref(self.vrefn_voft, self.vp_vrefn, self.vn_vrefn, self.vm_vrefn, vread=vrefn, vset=0.45 )
else:
vrefn_f = True
if not ((self.vp_vcmi and self.vn_vcmi) or self.vm_vcmi):
self.vcmi_voft, self.vp_vcmi, self.vn_vcmi, self.vm_vcmi = \
self.find_ref(self.vcmi_voft, self.vp_vcmi, self.vn_vcmi, self.vm_vcmi, vread=vcmi, vset=0.90 )
else:
vcmi_f = True
if not ((self.vp_vcmi and self.vn_vcmi) or self.vm_vcmo):
self.vcmo_voft, self.vp_vcmo, self.vn_vcmo, self.vm_vcmo = \
self.find_ref(self.vcmo_voft, self.vp_vcmo, self.vn_vcmo, self.vm_vcmo, vread=vcmo, vset=1.20 )
else:
vcmo_f = True
print("VREFP = %.3f, VREFN = %.3f, VCMO = %.3f, VCMI = %.3f" %
(vrefp, vrefn, vcmo, vcmi))
if vrefp_f and vrefn_f and vcmi_f and vcmo_f:
print(hex(self.vrefp_voft), hex(self.vrefn_voft),
hex(self.vcmo_voft), hex(self.vcmi_voft))
break
with open(fn + "bjt.bjt", 'wb+') as f:
vref_regs = [
self.vrefp_voft, self.vrefn_voft, self.vcmo_voft,
self.vcmi_voft
]
vref_values = [vbgr, vrefp, vrefn, vcmo, vcmi, vssa]
pickle.dump([vref_regs, vref_values], f)
else:
self.bc.adc_ref_vol_src("CMOS")
print("CMOS voltage references are used")
self.bc.adc_bias_curr_src("CMOS_INTR")
print(
"Bias currents come from CMOS-basedreference with internal R")
self.bc.adc_set_cmos_iref_trim(self.iref_trim)
print(
"Set vt-reference current to 45uA (correction to default value)!"
)
ibuff0_cmos = 0x27
ibuff1_cmos = 0x27
self.bc.adc_set_cmos_ibuff(ibuff0_cmos, ibuff1_cmos)
print("CMOS bias source for the input buffer is set!")
print("CMOS reference is being calibrated !")
self.vp_vcmi = False
self.vn_vcmi = False
self.vm_vcmi = False
self.vp_vcmo = False
self.vn_vcmo = False
self.vm_vcmo = False
self.vp_vrefp = False
self.vn_vrefp = False
self.vm_vrefp = False
self.vp_vrefn = False
self.vn_vrefn = False
self.vm_vrefn = False
self.vrefp_voft = 0xc0
self.vrefn_voft = 0x28
self.vcmi_voft = 0x60
self.vcmo_voft = 0x80
while (True):
self.bc.adc_set_cmos_vrefs(self.vrefp_voft, self.vrefn_voft,
self.vcmi_voft, self.vcmo_voft)
vbgr, vcmi, vcmo, vrefp, vrefn, vssa = self.all_ref_vmons()
vrefp_f = False
vrefn_f = False
vcmi_f = False
vcmo_f = False
if not ((self.vp_vrefp and self.vn_vrefp) or self.vm_vrefp):
self.vrefp_voft, self.vp_vrefp, self.vn_vrefp, self.vm_vrefp = \
self.find_ref(self.vrefp_voft, self.vp_vrefp, self.vn_vrefp, self.vm_vrefp, vread=vrefp, vset=1.95 )
else:
vrefp_f = True
if not ((self.vp_vrefn and self.vn_vrefn) or self.vm_vrefn):
self.vrefn_voft, self.vp_vrefn, self.vn_vrefn, self.vm_vrefn = \
self.find_ref(self.vrefn_voft, self.vp_vrefn, self.vn_vrefn, self.vm_vrefn, vread=vrefn, vset=0.45 )
else:
vrefn_f = True
if not ((self.vp_vcmi and self.vn_vcmi) or self.vm_vcmi):
self.vcmi_voft, self.vp_vcmi, self.vn_vcmi, self.vm_vcmi = \
self.find_ref(self.vcmi_voft, self.vp_vcmi, self.vn_vcmi, self.vm_vcmi, vread=vcmi, vset=0.90 )
else:
vcmi_f = True
if not ((self.vp_vcmi and self.vn_vcmi) or self.vm_vcmo):
self.vcmo_voft, self.vp_vcmo, self.vn_vcmo, self.vm_vcmo = \
self.find_ref(self.vcmo_voft, self.vp_vcmo, self.vn_vcmo, self.vm_vcmo, vread=vcmo, vset=1.20 )
else:
vcmo_f = True
print("VREFP = %.3f, VREFN = %.3f, VCMI = %.3f, VCMO = %.3f" %
(vrefp, vrefn, vcmi, vcmo))
if vrefp_f and vrefn_f and vcmi_f and vcmo_f:
print(hex(self.vrefp_voft), hex(self.vrefn_voft),
hex(self.vcmo_voft), hex(self.vcmi_voft))
break
with open(fn + "cmos.cmos", 'wb+') as f:
vref_regs = [
self.vrefp_voft, self.vrefn_voft, self.vcmo_voft,
self.vcmi_voft
]
vref_values = [vbgr, vrefp, vrefn, vcmo, vcmi, vssa]
pickle.dump([vref_regs, vref_values], f)
def ref_set(self, fn):
if (self.flg_bjt_r):
self.bc.adc_ref_vol_src("BJT")
print("Internal BJT voltage references are used")
self.bc.adc_bias_curr_src("BJT")
print("Bias currents come from BJT-based references")
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
self.bc.adc_set_ioffset(vrefp_ioft, vrefn_ioft, vcmo_ioft,
vcmi_ioft)
print("BJT reference is set to pre-calibrated values!")
with open(fn + "bjt.bjt", 'rb') as f:
vref_regs, vref_values = pickle.load(f)
self.vrefp_voft, self.vrefn_voft, self.vcmo_voft, self.vcmi_voft = vref_regs
self.bc.adc_set_vrefs(self.vrefp_voft, self.vrefn_voft,
self.vcmo_voft, self.vcmi_voft)
print(
"BJT current source for input buffer and VDAC is set to default values!"
)
ibuff0_15 = 0x99
ibuff1_16 = 0x99
ivdac0_17 = 0x99
ivdac1_18 = 0x99
self.bc.adc_set_curr_ibuff(ibuff0_15, ibuff1_16)
self.bc.adc_set_curr_vdac(ivdac0_17, ivdac1_18)
else:
self.bc.adc_ref_vol_src("CMOS")
print("CMOS voltage references are used")
print(
"Bias currents come from CMOS-basedreference with internal R")
self.bc.adc_bias_curr_src("CMOS_INTR")
print("CMOS reference is set to pre-calibrated values!")
with open(fn + "cmos.cmos", 'rb') as f:
vref_regs, vref_values = pickle.load(f)
self.vrefp_voft, self.vrefn_voft, self.vcmo_voft, self.vcmi_voft = vref_regs
self.bc.adc_set_cmos_vrefs(self.vrefp_voft, self.vrefn_voft,
self.vcmi_voft, self.vcmo_voft)
print(
"Set vt-reference current to 45uA (correction to default value)!"
)
self.bc.adc_set_cmos_iref_trim(self.iref_trim)
print("CMOS bias source for the input buffer is set!")
ibuff0_cmos = 0x27
ibuff1_cmos = 0x27
self.bc.adc_set_cmos_ibuff(ibuff0_cmos, ibuff1_cmos)
def bjt_ref_aux(self,
mon_src="VREFP",
mux_src="AUX_VOLTAGE",
avg_points=5):
self.bc.cots_adc_bjt_mon_src(src=mon_src)
self.bc.cots_adc_mux_mon_src(src=mux_src)
self.bc.cots_adc_data(avr=2)
val = self.bc.cots_adc_data(avr=avg_points)
# print ("MUX = %s, %s = %f"%(mux_src, mon_src, val))
return val
def all_bjt_ref_auxs(self):
vref = self.bjt_ref_aux(mon_src="VREF_ext", mux_src="AUX_VOLTAGE")
vrefn = self.bjt_ref_aux(mon_src="VREFN", mux_src="AUX_VOLTAGE")
vrefp = self.bjt_ref_aux(mon_src="VREFP", mux_src="AUX_VOLTAGE")
vcmi = self.bjt_ref_aux(mon_src="VCMI", mux_src="AUX_VOLTAGE")
vcmo = self.bjt_ref_aux(mon_src="VCMO", mux_src="AUX_VOLTAGE")
vbgr = self.bjt_ref_aux(mon_src="VBGR_1.2V", mux_src="AUX_VOLTAGE")
vdac0_5k = self.bjt_ref_aux(mon_src="Vdac0_5k", mux_src="AUX_ISOURCE")
vdac1_5k = self.bjt_ref_aux(mon_src="Vdac1_5k", mux_src="AUX_ISOURCE")
ibuff0_5k = self.bjt_ref_aux(mon_src="ibuff0_5k",
mux_src="AUX_ISOURCE")
ibuff1_5k = self.bjt_ref_aux(mon_src="ibuff1_5k",
mux_src="AUX_ISOURCE")
isink_adc1_5k = self.bjt_ref_aux(mon_src="Isink_adc1_5k",
mux_src="AUX_ISINK")
isink_adc0_5k = self.bjt_ref_aux(mon_src="Isink_adc0_5k",
mux_src="AUX_ISINK")
isink_sha1_5k = self.bjt_ref_aux(mon_src="Isink_sha1_5k",
mux_src="AUX_ISINK")
isink_sha0_5k = self.bjt_ref_aux(mon_src="Isink_sha0_5k",
mux_src="AUX_ISINK")
isink_refbuf0_5k = self.bjt_ref_aux(mon_src="Isink_refbuf0_5k",
mux_src="AUX_ISINK")
isink_refbuf1_5k = self.bjt_ref_aux(mon_src="Isink_refbuf1_5k",
mux_src="AUX_ISINK")
return (vref, vrefn, vrefp, vcmi, vcmo, vbgr, vdac0_5k, vdac1_5k,
ibuff0_5k, ibuff1_5k, isink_adc1_5k, isink_adc0_5k,
isink_sha1_5k, isink_sha0_5k, isink_refbuf0_5k,
isink_refbuf1_5k)
def ref_vmon(self, vmon="VBGR", avg_points=5):
self.bc.cots_adc_mux_mon_src(src="VOLTAGE_MON")
self.bc.cost_adc_v_mon_ena(1)
self.bc.cost_adc_v_mon_select(vmon)
self.bc.cots_adc_data(avr=2)
val = self.bc.cots_adc_data(avr=avg_points)
self.bc.cost_adc_v_mon_ena(0)
# print ("MUX = VOLTAGE_MON, %s = %f"%( vmon, val))
return val
def all_ref_vmons(self):
vbgr = self.ref_vmon(vmon="VBGR")
vcmi = self.ref_vmon(vmon="VCMI")
vcmo = self.ref_vmon(vmon="VCMO")
vrefp = self.ref_vmon(vmon="VREFP")
vrefn = self.ref_vmon(vmon="VREFN")
vssa = self.ref_vmon(vmon="VSSA")
return (vbgr, vcmi, vcmo, vrefp, vrefn, vssa)
def ref_vmons(self):
vcmi = self.ref_vmon(vmon="VCMI")
vcmo = self.ref_vmon(vmon="VCMO")
vrefp = self.ref_vmon(vmon="VREFP")
vrefn = self.ref_vmon(vmon="VREFN")
return (vcmi, vcmo, vrefp, vrefn)
def ref_imon(self, imon="ICMOS_REF_5k", avg_points=5):
self.bc.cots_adc_mux_mon_src(src="CURRENT_MON")
self.bc.cost_adc_i_mon_ena(1)
self.bc.cost_adc_i_mon_select(imon)
self.bc.cots_adc_data(avr=2)
val = self.bc.cots_adc_data(avr=avg_points)
self.bc.cost_adc_i_mon_ena(0)
# print ("MUX = CURRENT_MON, %s = %f"%( imon, val))
return val
def all_ref_imons(self):
icmos_ref_5k = self.ref_imon(imon="ICMOS_REF_5k")
isha0_5k = self.ref_imon(imon="ISHA0_5k")
iadc0_5k = self.ref_imon(imon="IADC0_5k")
isha1_5k = self.ref_imon(imon="ISHA1_5k")
iadc1_5k = self.ref_imon(imon="IADC1_5k")
ibuff_cmos = self.ref_imon(imon="IBUFF_CMOS")
iref_5k = self.ref_imon(imon="IREF_5k")
irefbuffer0 = self.ref_imon(imon="IREFBUFFER0")
return (icmos_ref_5k, isha0_5k, iadc0_5k, isha1_5k, iadc1_5k,
ibuff_cmos, iref_5k, irefbuffer0)
def Converter_Config(self,
edge_sel="Normal",
out_format="two-complement",
adc_sync_mode="Normal",
adc_test_input="Normal",
adc_output_sel="cali_ADCdata"):
self.bc.adc_edge_select(mode=edge_sel)
self.bc.adc_outputformat(oformat=out_format)
self.bc.adc_sync_mode(mode=adc_sync_mode)
self.bc.adc_test_input(mode=adc_test_input)
self.bc.adc_output_select(option=adc_output_sel)
self.bc.adc_set_adc_bias(val=self.adc_bias_uA)
def Input_buffer_cfg(self,
sdc="Bypass",
db="Bypass",
sha="Single-ended",
curr_src="BJT-sd"):
self.bc.adc_sdc_select(sdc)
self.bc.adc_db_select(db)
if (sha == "Single-ended"):
self.bc.adc_sha_input(1)
else:
self.bc.adc_sha_input(0)
self.bc.adc_ibuff_ctrl(curr_src)
def get_adcdata(self, PktNum=128, saveraw=False, fn=""):
# self.bc.Acq_start_stop(1)
rawdata = self.bc.udp.get_pure_rawdata(PktNum + 1000)
if (saveraw):
with open(fn, 'wb') as f:
pickle.dump(rawdata, f)
# self.bc.Acq_start_stop(0)
chns = raw_conv(rawdata, PktNum)[0]
# self.bc.Acq_start_stop(1)
# rawdata = self.bc.get_data(PktNum,1, Jumbo="Jumbo") #packet check
# self.bc.Acq_start_stop(0)
# frames_inst = Frames(PktNum,rawdata)
# frames = frames_inst.packets()
# #Change it to emit all 16 channels data
# chns=[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]] #16-bit
# for i in range(PktNum):
# for j in range(16): #16 channels
# chns[j].append(frames[i].ADCdata[j])
return chns
def get_adcdata_raw(self, PktNum=128):
# self.bc.Acq_start_stop(1)
rawdata = self.bc.udp.get_pure_rawdata(PktNum + 1000)
# self.bc.Acq_start_stop(0)
chns = raw_conv(rawdata, PktNum)[0]
# rawdata = self.bc.get_data(PktNum,1, Jumbo="Jumbo") #packet check
# return rawdata
return chns
def chn_order_sync(self, PktNum=128):
print("Starting ADC physical channel and logical channel mapping...")
woc_f = False
for chn_order in range(0, 32, 4):
self.bc.adc_load_pattern_0(0x01, 0x01)
self.bc.adc_load_pattern_1(0x01, 0x01)
self.bc.adc_framemarker_shift(num=chn_order)
self.bc.adc_test_data_mode(mode="Test Pattern")
chns = self.get_adcdata(PktNum=128)
nibble_sync_f = True
for chndata in chns:
if (chndata[1] & 0xFFFF) != 0x0101:
nibble_sync_f = False
break
if nibble_sync_f:
self.bc.adc_test_data_mode(mode="Normal")
chns = self.get_adcdata(PktNum=128)
for i in range(10):
chns = self.get_adcdata(PktNum=128)
if (((chns[0][1] & 0xFFFF) > 0xD000)
and ((chns[1][1] & 0xFFFF) > 0x5000)
and ((chns[1][1] & 0xFFFF) < 0xD000)
and ((chns[2][1] & 0xFFFF) < 0x5000)
and ((chns[3][1] & 0xFFFF) > 0x5000)
and ((chns[2][1] & 0xFFFF) < 0xD000)
and ((chns[4][1] & 0xFFFF) > 0x5000)
and ((chns[4][1] & 0xFFFF) < 0xD000)
and ((chns[5][1] & 0xFFFF) > 0x5000)
and ((chns[5][1] & 0xFFFF) < 0xD000)
and ((chns[6][1] & 0xFFFF) > 0x5000)
and ((chns[6][1] & 0xFFFF) < 0xD000)
and ((chns[7][1] & 0xFFFF) > 0x5000)
and ((chns[7][1] & 0xFFFF) < 0xD000)
and ((chns[8][1] & 0xFFFF) > 0xD000)
and ((chns[9][1] & 0xFFFF) > 0x5000)
and ((chns[9][1] & 0xFFFF) < 0xD000)
and ((chns[10][1] & 0xFFFF) < 0x5000)
and ((chns[11][1] & 0xFFFF) > 0x5000)
and ((chns[10][1] & 0xFFFF) < 0xD000)
and ((chns[12][1] & 0xFFFF) > 0x5000)
and ((chns[12][1] & 0xFFFF) < 0xD000)
and ((chns[13][1] & 0xFFFF) > 0x5000)
and ((chns[13][1] & 0xFFFF) < 0xD000)
and ((chns[14][1] & 0xFFFF) > 0x5000)
and ((chns[14][1] & 0xFFFF) < 0xD000)
and ((chns[15][1] & 0xFFFF) > 0x5000)
and ((chns[15][1] & 0xFFFF) < 0xD000)):
woc_f = True
else:
woc_f = False
break
if woc_f == True:
print("ADC chn order is %d" % chn_order)
print(
"ADC physical channel and logical channel mapping is done"
)
break
else:
woc_f = False
pass
if (woc_f == False):
self.status("FAIL")
self.err_log("ADC output synchronization failed \n")
return woc_f
def fe_cfg(self,
sts=16 * [0],
snc=16 * [0],
sg=16 * [3],
st=16 * [2],
sbf=16 * [0],
sdc=0,
sdacsw=0,
fpga_dac=0,
asic_dac=0,
delay=10,
period=200,
width=0xa00):
self.bc.sts = sts
self.bc.snc = snc
self.bc.sg = sg
self.bc.st = st
self.bc.sbf = sbf #buffer on
self.bc.sdc = sdc #FE AC
self.bc.sdacsw = sdacsw
self.bc.sdac = asic_dac
self.bc.fe_spi_config()
if sdacsw == 0:
mode = "RMS"
elif sdacsw == 1:
mode = "External"
elif sdacsw == 2:
mode = "Internal"
self.bc.fe_pulse_config(mode)
self.bc.fe_fpga_dac(fpga_dac)
self.bc.fe_pulse_param(delay, period, width)
def adc_cfg(self,
adc_sdc="Bypass",
adc_db="Bypass",
adc_sha="Single-Ended",
adc_curr_src="BJT-sd",
cali="new weights",
fn=""):
#default BJT reference
woc_f = False
while (woc_f == False):
self.init_chk()
self.ref_set(fn)
if (self.flg_bjt_r):
self.bc.adc_write_reg(22, 0x00)
self.bc.adc_write_reg(23, 0x20)
pass
else:
self.bc.adc_write_reg(22, 0xff)
self.bc.adc_write_reg(23, 0x2f)
time.sleep(0.1)
self.Input_buffer_cfg(sdc=adc_sdc,
db=adc_db,
sha=adc_sha,
curr_src=adc_curr_src)
#self.Input_buffer_cfg(sdc = "On", db = "Bypass", sha = "Diff", curr_src = "BJT-sd")
# self.bc.adc_sha_clk_sel(mode = "internal")
self.Converter_Config(edge_sel="Normal",
out_format="offset binary",
adc_sync_mode="Analog pattern",
adc_test_input="Normal",
adc_output_sel="cali_ADCdata")
self.bc.udp.clr_server_buf()
woc_f = self.chn_order_sync()
self.Converter_Config(edge_sel="Normal",
out_format="two-complement",
adc_sync_mode="Normal",
adc_test_input="Normal",
adc_output_sel="cali_ADCdata")
if (cali == "new weights"):
print("Manual Calibration starting, wait...")
self.bc.udp.clr_server_buf()
self.bc.adc_autocali(avr=20000, saveflag="undef")
self.Converter_Config(edge_sel="Normal",
out_format="offset binary",
adc_sync_mode="Normal",
adc_test_input="Normal",
adc_output_sel="cali_ADCdata")
print("Manual Calibration is done, back to normal")
def adc_cfg_init(self,
adc_sdc="Bypass",
adc_db="Bypass",
adc_sha="Single-Ended",
adc_curr_src="BJT-sd",
fn=""):
self.init_chk()
self.Input_buffer_cfg(sdc=adc_sdc,
db=adc_db,
sha=adc_sha,
curr_src=adc_curr_src)
if (self.flg_bjt_r):
fp = fn + "/bjt.bjt"
self.bc.adc_write_reg(22, 0x00)
self.bc.adc_write_reg(23, 0x20)
else:
fp = fn + "/cmos.cmos"
print("Powerdone BJT reference")
self.bc.adc_write_reg(22, 0xff)
self.bc.adc_write_reg(23, 0x2f)
time.sleep(0.1)
if (not os.path.isfile(fp)):
self.ref_set_find(fn)
self.ref_set(fn)
# self.bc.adc_sha_clk_sel(mode = "internal")
self.Converter_Config(edge_sel="Normal",
out_format="offset binary",
adc_sync_mode="Normal",
adc_test_input="Normal",
adc_output_sel="cali_ADCdata")
class ADC_only:
def err_log(self, s):
err_str += s
def __init__(self):
# self.word_order = 0
self.bc = Brd_Config()
def pwr_chk(self):
def i2c_chk(self):
self.bc.Acq_start_stop(0)
self.bc.adc_write_reg(1, 0x22)
i2c_write = self.bc.adc_read_reg(1)
if (i2c_write != '0x22'):
status = "FAIL"
err_log("I2C check failed. Read/Write not working correctly. \n")
def uart_chk(self):
# self.bc.Acq_start_stop(0)
self.bc.adc_i2c_uart("UART")
self.bc.adc_write_reg(1, 0x22)
uart_write = self.bc.adc_read_reg(1)
if (uart_write != '0x22'):
status = "FAIL"
err_log("UART check failed. Read/Write not working correctly. \n")
def pattern_chk(self):
self.bc.adc.hard_reset()
adc0_h = self.bc.adc_read_reg(52)
adc0_l = self.bc.adc_read_reg(51)
if (adc0_h != '0xab' or adc0_l != '0xcd'):
err_log("ADC0 Configuration Pattern: unexpected value \n")
adc1_h = self.bc.adc_read_reg(54)
adc1_l = self.bc.adc_read_reg(53)
if (adc1_h != '0x12' or adc1_l != '0x34'):
status = "FAIL"
err_log("ADC1 Configuration Pattern: unexpected value \n")
def regs_chk(self):
self.bc.adc.hard_reset()
reg = []
default = [0x52, 0x00, 0x00, 0x00, 0x33, 0x33, 0x33, 0x0a, 0x00, 0x00,
0xfa, 0x3a, 0x9a, 0x73, 0xff, 0x99, 0x99, 0x99, 0x99, 0x00,
0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x0c, 0x27,
0x27, 0x00, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xa5, 0xca, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00,
0x00, 0xcd, 0xab, 0x34, 0x12]
for i in range(0,50):
reg.append(i) = self.bc.adc_read_reg(i)
if(reg[i] != default[i]):
status = "FAIL"
err_log("Register %d value %x1 instead of default value %x2 \n"%(i, reg[i], default[i]))
def ref_vmon(self, vmon = "VBGR", avg_points =5 ):
self.bc.cots_adc_mux_mon_src(src = "VOLTAGE_MON")
self.bc.cost_adc_v_mon_ena(1)
self.bc.cost_adc_v_mon_select(vmon)
self.bc.cots_adc_data(avr = 2)
val = self.bc.cots_adc_data(avr = avg_points)
self.bc.cost_adc_v_mon_ena(0)
#print ("MUX = VOLTAGE_MON, %s = %f"%( vmon, val))
return val
def ref_vmons(self ):
vcmi = cq.ref_vmon(vmon = "VCMI" )
vcmo = cq.ref_vmon(vmon = "VCMO" )
vrefp = cq.ref_vmon(vmon = "VREFP" )
vrefn = cq.ref_vmon(vmon = "VREFN" )
return (vcmi, vcmo, vrefp, vrefn)
def bjt_ref_aux(self, imon = "ibuff0_5k", avg_points =5 ):
self.bc.cots_adc_mux_mon_src(src = "AUX_ISOURCE")
self.bc.cots_adc_bjt_mon_src(imon)
self.bc.cots_adc_data(avr = 2)
val = self.bc.cots_adc_data(avr = avg_points)
return val
def ref_imon(self, imon = "ICMOS_REF_5k", avg_points =5 ):
self.bc.cots_adc_mux_mon_src(src = "CURRENT_MON")
self.bc.cost_adc_i_mon_ena(1)
self.bc.cost_adc_i_mon_select(imon)
self.bc.cots_adc_data(avr = 2)
val = self.bc.cots_adc_data(avr = avg_points)
self.bc.cost_adc_i_mon_ena(0)
return val
def refs_chk(self, flg_bjt_r = True):
avgs = 10
if (flg_bjt_r):
self.bc.adc_ref_vol_src("BJT")
self.bc.adc_bias_curr_src("BJT")
vrefp_bjt = []
vrefn_bjt = []
vcmi_bjt = []
vcmo_bjt = []
ibuff0_bjt = []
ibuff1_bjt = []
ivdac0_bjt = []
ivdac1_bjt = []
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
vbgr = self.ref_vmon(vmon = "VBGR")
if(vbgr > 1.3 or vbgr < 1.1):
status = "FAIL"
err_log("Bandgap Reference out of expected range: VBGR = %0.3f \n"%(vbgr))
self.bc.adc_set_ioffset(vrefp_ioft, vrefn_ioft, vcmo_ioft, vcmi_ioft)
for i in range (avgs):
if(i==0):
for i in range (256):
self.bc.adc_set_vrefs(i, i, i, i)
vcmi_bjt.append(i), vcmo_bjt.append(i), vrefp_bjt.append(i), vrefn_bjt.append(i) = self.ref_vmons()
self.bc.adc_set_curr_ibuff(i, i)
ibuff0_bjt.append(i) = self.bjt_ref_aux("ibuff0_5k")
ibuff1_bjt.append(i) = self.bjt_ref_aux("ibuff1_5k")
self.bc.adc_set_curr_vdac(i, i)
ivdac0_bjt.append(i) = self.bjt_ref_aux("Vdac0_5k")
ivdac1_bjt.append(i) =self.bjt_ref_aux("Vdac1_5k")
else:
for i in range (256):
self.bc.adc_set_vrefs(i, i, i, i)
vcmi_bjt.append(i), vcmo_bjt.append(i), vrefp_bjt.append(i), vrefn_bjt.append(i) += self.ref_vmons()
self.bc.adc_set_curr_ibuff(i, i)
ibuff0_bjt.append(i) += self.bjt_ref_aux("ibuff0_5k")
ibuff1_bjt.append(i) += self.bjt_ref_aux("ibuff1_5k")
self.bc.adc_set_curr_vdac(i, i)
ivdac0_bjt.append(i) += self.bjt_ref_aux("Vdac0_5k")
ivdac1_bjt.append(i) += self.bjt_ref_aux("Vdac1_5k")
vrefp_bjt[:] = [x / avgs for x in vrefp_bjt]
vrefn_bjt[:] = [x / avgs for x in vrefn_bjt]
vcmi_bjt[:] = [x / avgs for x in vcmi_bjt]
vcmo_bjt[:] = [x / avgs for x in vcmo_bjt]
ibuff0_bjt[:] = [x / avgs for x in ibuff0_bjt]
ibuff1_bjt[:] = [x / avgs for x in ibuff1_bjt]
ivdac0_bjt[:] = [x / avgs for x in ivdac0_bjt]
ivdac1_bjt[:] = [x / avgs for x in ivdac1_bjt]
return (vrefp_bjt, vrefn_bjt, vcmi_bjt, vcmo_bjt, ibuff0_bjt, ibuff1_bjt, ivdac0_bjt, ivdac1_bjt)
else:
self.bc.adc_ref_vol_src("CMOS")
self.bc.adc_bias_curr_src("CMOS")
vrefp_cmos = []
vrefn_cmos = []
vcmi_cmos = []
vcmo_cmos = []
ibuff_cmos = []
for i in range (avgs):
if (i==0):
for i in range (256):
self.bc.adc_set_vrefs(i, i, i, i)
vcmi_cmos.append(i), vcmo_cmos.append(i), vrefp_cmos.append(i), vrefn_cmos.append(i) = self.ref_vmons()
self.bc.adc_set_curr_ibuff(i, i)
ibuff_cmos = self.ref_imon(imon = "IBUFF_CMOS")
else:
for i in range (256):
self.bc.adc_set_vrefs(i, i, i, i)
vcmi_cmos.append(i), vcmo_cmos.append(i), vrefp_cmos.append(i), vrefn_cmos.append(i) += self.ref_vmons()
self.bc.adc_set_curr_ibuff(i, i)
ibuff_cmos += self.ref_imon(imon = "IBUFF_CMOS")
vrefp_cmos[:] = [x / avgs for x in vrefp_cmos]
vrefn_cmos[:] = [x / avgs for x in vrefn_cmos]
vcmi_cmos[:] = [x / avgs for x in vcmi_cmos]
vcmo_cmos[:] = [x / avgs for x in vcmo_cmos]
ibuff_cmos[:] = [x / avgs for x in ibuff_cmos]
return (vrefp_cmos, vrefn_cmos, vcmi_cmos, vcmo_cmos, ibuff_cmos)
def ref_set(self, flg_bjt_r = True, env = "RT" ):
if (flg_bjt_r):
self.bc.adc_ref_vol_src("BJT")
self.bc.adc_bias_curr_src("BJT")
if (env == "RT"):
vrefp_voft = 0xe1#0xe4#0xf0#0xf8#0xe4
vrefn_voft = 0x27#0x08#0x10#0x24
vcmi_voft = 0x60#0x60#0x50#0x60
vcmo_voft = 0x82#0x82
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
else:
vrefp_voft = 0xeb#0xf1
vrefn_voft = 0x2b#0x29
vcmi_voft = 0x64#0x65
vcmo_voft = 0x7c#0x8d
vrefp_ioft = 1
vrefn_ioft = 1
vcmi_ioft = 1
vcmo_ioft = 1
self.bc.adc_set_vrefs(vrefp_voft, vrefn_voft, vcmo_voft, vcmi_voft )
self.bc.adc_set_ioffset(vrefp_ioft, vrefn_ioft, vcmo_ioft, vcmi_ioft)
ibuff0_15 = 0x99
ibuff1_16 = 0x99
ivdac0_17 = 0x99
ivdac1_18 = 0x99
self.bc.adc_set_curr_ibuff(ibuff0_15, ibuff1_16)
self.bc.adc_set_curr_vdac(ivdac0_17, ivdac1_18)
else:
self.bc.adc_ref_vol_src("CMOS")
self.bc.adc_bias_curr_src("CMOS_INTR")
if (env == "RT"):
vrefp_voft = 0xcc#0xce
vrefn_voft = 0x2b
vcmi_voft = 0x5b
vcmo_voft = 0x7b
else:
vrefp_voft = 0xc6
vrefn_voft = 0x30
vcmi_voft = 0x5b
vcmo_voft = 0x7b
self.bc.adc_set_cmos_vrefs(vrefp_voft, vrefn_voft, vcmi_voft, vcmo_voft)
iref_trim = 50
self.bc.adc_set_cmos_iref_trim(iref_trim)
ibuff0_cmos = 0x27
ibuff1_cmos = 0x27
self.bc.adc_set_cmos_ibuff(ibuff0_cmos, ibuff1_cmos)
def Converter_Config(self, edge_sel = "Normal", out_format = "two-complement",
adc_sync_mode ="Normal", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50):
self.bc.adc_edge_select(mode = edge_sel)
self.bc.adc_outputformat(oformat = out_format)
self.bc.adc_sync_mode(mode = adc_sync_mode)
self.bc.adc_test_input(mode = adc_test_input)
self.bc.adc_output_select(option = adc_output_sel)
self.bc.adc_set_adc_bias(val = adc_bias_uA)
def Input_buffer_cfg( self, sdc = "Bypass", db = "Bypass", sha = "Single-ended", curr_src = "BJT-sd"):
self.bc.adc_sdc_select(sdc)
self.bc.adc_db_select(db)
if (sha == "Single-ended"):
self.bc.adc_sha_input(1)
else:
self.bc.adc_sha_input(0)
self.bc.adc_ibuff_ctrl(curr_src)
def get_adcdata(self, PktNum=128 ):
self.bc.Acq_start_stop(1)
rawdata = self.bc.get_data(PktNum,1, Jumbo="Jumbo") #packet check
self.bc.Acq_start_stop(0)
frames_inst = Frames(PktNum,rawdata)
frames = frames_inst.packets()
#Change it to emit all 16 channels data
chns=[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]] #16-bit
for i in range(PktNum):
for j in range(16): #16 channels
chns[j].append(frames[i].ADCdata[j])
return chns
def get_adcdata_raw(self, PktNum=128 ):
self.bc.Acq_start_stop(1)
rawdata = self.bc.udp.get_pure_rawdata(PktNum+1000 )
self.bc.Acq_start_stop(0)
# rawdata = self.bc.get_data(PktNum,1, Jumbo="Jumbo") #packet check
return rawdata
def chn_order_sync(self, PktNum=128 ):
# print ("Starting ADC physical channel and logical channel mapping...")
self.bc.adc_load_pattern_0(0x01, 0x01)
self.bc.adc_load_pattern_1(0x01, 0x01)
woc_f = False
for chn_order in range(32):
self.bc.adc_framemarker_shift (num = chn_order)
self.bc.adc_test_data_mode(mode = "Test Pattern")
chns = self.get_adcdata(PktNum=128)
nibble_sync_f = True
for chndata in chns:
if (chndata[1]&0xFFFF) != 0x0101:
nibble_sync_f = False
break
if nibble_sync_f:
self.bc.adc_test_data_mode(mode = "Normal")
chns = self.get_adcdata(PktNum=128)
for i in range(1):
chns = self.get_adcdata(PktNum=128)
tmp = []
for tmpx in chns:
tmp.append(tmpx[1])
print (tmp)
if(( (chns[0][1] & 0xFFFF) > 0xD000) and
( (chns[1][1] & 0xFFFF) > 0x5000) and ((chns[1][1] &0xFFFF) < 0xD000) and
( (chns[2][1] & 0xFFFF) < 0x5000) and
( (chns[3][1] & 0xFFFF) > 0x5000) and ((chns[2][1] &0xFFFF) < 0xD000) and
( (chns[4][1] & 0xFFFF) > 0x5000) and ((chns[4][1] &0xFFFF) < 0xD000) and
( (chns[5][1] & 0xFFFF) > 0x5000) and ((chns[5][1] &0xFFFF) < 0xD000) and
( (chns[6][1] & 0xFFFF) > 0x5000) and ((chns[6][1] &0xFFFF) < 0xD000) and
( (chns[7][1] & 0xFFFF) > 0x5000) and ((chns[7][1] &0xFFFF) < 0xD000) and
( (chns[8][1] & 0xFFFF) > 0xD000) and
( (chns[9][1] & 0xFFFF) > 0x5000) and ((chns[9][1] &0xFFFF) < 0xD000) and
( (chns[10][1]& 0xFFFF) < 0x5000) and
( (chns[11][1]& 0xFFFF) > 0x5000) and ((chns[10][1] &0xFFFF) < 0xD000) and
( (chns[12][1]& 0xFFFF) > 0x5000) and ((chns[12][1] &0xFFFF) < 0xD000) and
( (chns[13][1]& 0xFFFF) > 0x5000) and ((chns[13][1] &0xFFFF) < 0xD000) and
( (chns[14][1]& 0xFFFF) > 0x5000) and ((chns[14][1] &0xFFFF) < 0xD000) and
( (chns[15][1]& 0xFFFF) > 0x5000) and ((chns[15][1] &0xFFFF) < 0xD000) ):
woc_f = True
else:
woc_f = False
break
if woc_f == True:
# print ("ADC chn order is %d"%chn_order)
# print ("ADC physical channel and logical channel mapping is done")
break
else:
woc_f = False
status = "FAIL"
err_log("ADC output synchronization failed \n")
pass
return woc_f
def record_weights(self, reg, val):
# field names
fields = ['Register', 'Branch', 'Year', 'CGPA']
# data rows of csv file
rows = [ ['Nikhil', 'COE', '2', '9.0'],
['Sanchit', 'COE', '2', '9.1'],
['Aditya', 'IT', '2', '9.3'],
['Sagar', 'SE', '1', '9.5'],
['Prateek', 'MCE', '3', '7.8'],
['Sahil', 'EP', '2', '9.1']]
# name of csv file
filename = "university_records.csv"
# writing to csv file
with open(filename, 'w') as csvfile:
# creating a csv writer object
csvwriter = csv.writer(csvfile)
# writing the fields
csvwriter.writerow(fields)
# writing the data rows
csvwriter.writerows(rows)
def init_checkout(self, env = "RT"):
self._init_()
self.pwr_chk()
self.i2c_chk()
self.uart_chk()
self.pattern_chk()
self.regs_chk()
vrefp_bjt = []
vrefn_bjt = []
vcmi_bjt = []
vcmo_bjt = []
ibuff0_bjt = []
ibuff1_bjt = []
ivdac0 = []
ivdac1 = []
vrefp_cmos = []
vrefn_cmos = []
vcmi_cmos = []
vcmo_cmos = []
ibuff_cmos = []
vrefp_bjt, vrefn_bjt, vcmi_bjt, vcmo_bjt, ibuff0_bjt, ibuff1_bjt, ivdac0, ivdac1 = self.refs_chk(flg_bjt_r = True)
vrefp_cmos, vrefn_cmos, vcmi_cmos, vcmo_cmos, ibuff_cmos = self.refs_chk(flg_bjt_r = False)
#plot vrefs
self.ref_set(flg_bjt_r = True, env=env)
time.sleep(1)
self.Input_buffer_cfg(sdc = "Bypass", db = "Bypass", sha = "Single-ended", curr_src = "BJT-sd")
self.bc.adc_sha_clk_sel(mode = "internal")
self.Converter_Config(edge_sel = "Normal", out_format = "offset binary",
adc_sync_mode ="Analog pattern", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
self.bc.udp.clr_server_buf()
self.chn_order_sync()
#BJT calibration weights
self.Converter_Config(edge_sel = "Normal", out_format = "two-complement",
adc_sync_mode ="Normal", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
self.bc.udp.clr_server_buf()
self.bc.adc_autocali(avr=20000,saveflag="undef")
self.Converter_Config(edge_sel = "Normal", out_format = "offset binary",
adc_sync_mode ="Analog pattern", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
reg, weight_bjt = self.bc.adc_read_weights
self.record_weights(reg, weight_bjt)
#CMOS calibration weights
self.ref_set(flg_bjt_r = False, env=env)
self.Converter_Config(edge_sel = "Normal", out_format = "two-complement",
adc_sync_mode ="Normal", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
self.bc.udp.clr_server_buf()
self.bc.adc_autocali(avr=20000,saveflag="undef")
self.Converter_Config(edge_sel = "Normal", out_format = "offset binary",
adc_sync_mode ="Analog pattern", adc_test_input = "Normal",
adc_output_sel = "cali_ADCdata", adc_bias_uA = 50)
reg, weight_cmos = self.bc.adc_read_weights
self.record_weights(reg, weight_cmos)