class Test():
def __init__(self):
self.verbose = True
self.u = katcp_wrapper.FpgaClient('roach2')
print 'Connected...'
time.sleep(1)
self.u.progdev('tclk_2012_Oct_15_1635.bof')
print 'Programmed...'
self.s = SPI(self.u)
self.tap = 0
## Make sure that SPI interface is flushed
## and initialize
self.start()
def reset(self):
self.s.write(0x00,0x0001) # reset
def select(self, chip):
self.s.select(chip)
def power_cycle(self):
self.s.write(0x0f,0x0200) # Powerdown
self.s.write(0x0f,0x0000) # Powerup
def start(self):
print 'Beginning ADC power cycling'
print 'Resetting ADC'
self.reset() # reset
print 'Reset done'
print 'Power down ADC'
self.power_cycle()
print 'Power cycling done'
def commit(self):
self.power_cycle()
def clear_pattern(self):
self.s.write(0x45,0x0000) # Clear skew,deskew
self.s.write(0x25,0x0000) # Clear ramp
#self.commit()
def ramp_pattern(self):
self.clear_pattern()
self.s.write(0x25,0x0040) # Enable ramp
#self.commit()
def deskew_pattern(self):
self.clear_pattern()
self.s.write(0x45,0x0001)
#self.commit()
def sync_pattern(self):
self.clear_pattern()
self.s.write(0x45,0x0002)
#self.commit()
def reset_all(self):
## Clear
reg = self.u.read_int('adcleda_controller')
reg = reg & 0xfffffffb
self.u.write_int('adcleda_controller',reg, offset=1, blindwrite=True)
reg = reg | 0x00000004
self.u.write_int('adcleda_controller',reg, offset=1, blindwrite=True)
time.sleep(1)
reg = reg & 0xfffffffb
self.u.write_int('adcleda_controller',reg, offset=1, blindwrite=True)
def get_channel(self):
data = self.u.snapshot_get('fifo_data_a',man_trig=True)['data']
x = np.fromstring(data,dtype='>i4')
y = x.astype('uint8')
return y
def get_data(self):
data = []
temp = np.fromstring(self.u.snapshot_get('fifo_data',man_trig=True)['data'],dtype=np.uint8)
data.append(self.process_data(temp[range(0,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(1,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(2,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(3,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(4,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(5,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(6,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(7,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(8,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(9,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(10,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(11,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(12,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(13,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(14,temp.size,16)].astype('uint8')))
data.append(self.process_data(temp[range(15,temp.size,16)].astype('uint8')))
return data
def bit_slip(self, channel):
## Write to bitslip
reg = self.u.read_int('adcleda_controller')
reg = reg ^ 0x00000780
self.u.write_int('adcleda_controller',reg, offset=1)
time.sleep(1)
reg = reg ^ 0x00000780
self.u.write_int('adcleda_controller',reg, offset=1)
def flip_channel(self, channel):
## Write to channel flip
reg = self.u.read_int('adcleda_controller')
reg = reg ^ 0x00000071
self.u.write_int('adcleda_controller',reg, offset=1)
def process_data(self, data):
#print 'Before:'
#print ['%02x' % y for y in data[:8]]
out_p = []
for num in range(0,len(data)-1):
y = data[num]&0xff
y = ((y&0x08)>>3)|((y&0x04)>>1)|((y&0x02)<<1)|((y&0x01)<<3)|((y&0x80)>>3)|((y&0x40)>>1)|((y&0x20)<<1)|((y&0x10)<<3)
out_p.append(y)
#print '\nAfter:'
#print ['%02x' % y for y in out_p[:8]]
return out_p
def show_data(self, data):
plot(data)
def inc_tap(self):
self.tap = self.tap + 1
y = (self.tap)&0x1f
#y = (((self.tap)&0x10)>>4)|(((self.tap)&0x08)>>2)|((self.tap)&0x04)|(((self.tap)&0x02)<<2)|(((self.tap)&0x01)<<4)
s = (y<<11)|(0x00000000)
self.u.write_int('adcleda_controller',s,offset=1)
time.sleep(1)
s = (y<<11)|(0xffff0000)
self.u.write_int('adcleda_controller',s,offset=1)
time.sleep(1)
s = (y<<11)|(0x00000000)
self.u.write_int('adcleda_controller',s,offset=1)
#def calibrate(self):
# self.
