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AD9910.py
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import sys, time
from ctypes import *
def chunks(seq, n):
return (seq[i:i+n] for i in xrange(0, len(seq), n))
def bits2byte(bits):
out = 0
for bit in bits:
out = (out << 1) | bit
return out
def byte2bits(byte):
return [int(x) for x in list('{0:08b}'.format(byte))]
def int2arr(val,length):
val = int(val+0.5)
arr = []
for i in range(length):
mask=0xFF<<(8*i)
arr.append(int((val&mask)>>(8*i)))
return arr[::-1]
def arr2int(arr):
arr = arr[::-1]
val = 0
for i in range(len(arr)):
val |= arr[i] << (8*i)
return val
class ad9910:
_dll=windll.adiclockeval
_portValue = [0x02, 0x00, 0x03, 0x00, 0x80]
_portConfig = [0xFF, 0x00, 0xFF, 0x00, 0xFF]
_regSize = [32, 32, 32, 32, 32, 48, 48, 32, 16, 32, 32, 64, 64, 32, 64, 64, 64, 64, 64, 64, 64, 64, 32, 0, 0, 0, 0, 0, 0, 0, 0, 40]
_vid = 0x0456
_pid = 0xEE25
_fs = 1000000000
def __init__(self,reload=False):
if reload:
reload()
def reload(self):
self._handle = {}
self.FindHardware()
self.GetHandle()
self.IsReady()
self.ConfigPorts()
for dut in range(self._NUMduts):
self.reset(dut)
def reset(self,dut):
#self.SetPortValue('a',0x7,dut)
#time.sleep(0.01)
#self.SetPortValue('a',0x3,dut)
#time.sleep(0.3)
pass
def FindHardware(self):
vidArry=c_int*1
pidArry=c_int*1
vid=vidArry(self._vid)
pid=pidArry(self._pid)
length=c_int(1)
hard_instances = self._dll.FindHardware(byref(vid),byref(pid),length)
if hard_instances == 0:
raise RuntimeError("AD9910 instance not found!")
else:
self._NUMduts = hard_instances
#print(self._dll.GetHardwareCount())
def GetHandle(self):
handleArry=c_int*self._NUMduts
handle=handleArry(0)
self._dll.GetHardwareHandles(byref(handle))
for dut in range(self._NUMduts):
#print(map(lambda x: '%04X' % x, (self._dll.GetVendorID(handle[dut]),self._dll.GetProductID(handle[dut]))))
infoLen = c_int(22)
infoArry=c_ubyte*22
info=infoArry(0)
self._dll.GetEvbdInfo(handle[dut], byref(info), byref(infoLen))
print 'ID =',256*info[2]+info[1]
#hostID = c_int(1)
#self._dll.GetHostID(handle[dut], byref(hostID))
#print(hostID)
boardID = ''.join(['%02X' % x for x in info[10:2:-1]])
if '0000000000AD9910' == boardID:
self._handle[256*info[2]+info[1]] = c_int(handle[dut])
major = c_int(0)
minor = c_int(0)
self._dll.GetFirmwareVersion(handle[dut], byref(major), byref(minor))
#print(major, minor)
self._dll.SetCtlValue(handle[dut], 3)
def IsReady(self):
for dut in self._handle:
ready=self._dll.IsConnected(self._handle[dut])
if ready != 1:
raise RuntimeError("AD9910 USB not ready")
else:
self._dll.DownloadFirmware(self._handle[dut], 'AD9910FWNR.hex')
def ConfigPort(self,dut=1):
for index in range(5):
port=c_int(index)
value = c_ubyte(self._portValue[index])
self._dll.SetPortValue(self._handle[dut],port,value)
config = c_ubyte(self._portConfig[index])
self._dll.SetPortConfig(self._handle[dut],port,config)
self._dll.SetHostID(self._handle[dut], id(self))
#self._dll.SetLedBlink(self._handle[dut],1)
#print(self._dll.GetLedBlink(self._handle[dut]))
#self._dll.SetPortValue(self._handle[dut],0,0x02)
#self._dll.SetPortValue(self._handle[dut],4,0x80)
#self._dll.SetPortValue(self._handle[dut],0,0x0A)
#self._dll.SetPortValue(self._handle[dut],4,0x80)
#self._dll.SetPortValue(self._handle[dut],0,0x02)
#self._dll.SetPortValue(self._handle[dut],0,0x02)
#self._dll.SetPortValue(self._handle[dut],2,0x03)
#self._dll.SetPortValue(self._handle[dut],2,0x23)
#self._dll.SetPortValue(self._handle[dut],2,0x00)
#self._dll.SetPortValue(self._handle[dut],2,0x10)
#self._dll.SetPortValue(self._handle[dut],2,0x00)
#self._dll.SetPortValue(self._handle[dut],2,0x03)
self.write(dut,0,[0x00,0x00,0x00,0x00])
self.write(dut,1,[0x01,0x40,0x08,0x20])
self.write(dut,2,[0x1D,0x3F,0x41,0xC8])
self.write(dut,3,[0x00,0x00,0x00,0x7F])
def ConfigPorts(self):
for dut in self._handle:
self.ConfigPort(dut)
def pll_lock(self,dut=1):
value = c_ubyte(0)
self._dll.GetPortValue(self._handle[dut],3,byref(value))
return bool(value.value & 64)
@staticmethod
def instruction(rw,reg):
instr = [rw, 0, 0] + [int(x) for x in list('{0:05b}'.format(reg))]
return instr
def write(self,dut,reg,data):
self._dll.SetAutoCSB(self._handle[dut],0)
self._dll.SetCtlValue(self._handle[dut],2)
self._dll.SetPortValue(self._handle[dut],0,0x00)
instr = self.instruction(0,reg)
for i in data:
instr += byte2bits(i)
#print ' '.join(['%02X' % bits2byte(x) for x in chunks(instr,8)])
writeDataArry = c_ushort*len(instr)
writeData = writeDataArry(0)
for i in range(len(instr)):
writeData[i] = instr[i]
writeLen=c_int(2*len(instr))
self._dll.WriteParallelData(self._handle[dut],byref(writeData),writeLen)
self._dll.SetAutoCSB(self._handle[dut],1)
self._dll.SetPortValue(self._handle[dut],0,0x02)
if reg > 0xD:
self.update(dut)
def update(self,dut=0):
self._dll.SetPortValue(self._handle[dut],4,0x90)
self._dll.SetPortValue(self._handle[dut],4,0x80)
def read(self,dut,reg):
self._dll.SetAutoCSB(self._handle[dut],0)
self._dll.SetCtlValue(self._handle[dut],2)
self._dll.SetPortValue(self._handle[dut],0,0x00)
returnData=[]
instr = self.instruction(1,reg)
writeDataArry = c_ushort*8
writeData = writeDataArry(0)
for i in range(8):
writeData[i] = instr[i]
writeLen=c_int(16)
readDataArry=c_ubyte*(2*self._regSize[reg])
readData=readDataArry(0)
readLen=c_int(2*self._regSize[reg])
self._dll.WriteParallelData(self._handle[dut],byref(writeData),writeLen)
self._dll.ReadParallelData(self._handle[dut],byref(readData),readLen)
returnData = [bits2byte(x) for x in chunks(readData[0:-1:2], 8)]
#print '[%02X]' % reg, ' '.join(['%02X' % x for x in returnData])
self._dll.SetAutoCSB(self._handle[dut],1)
self._dll.SetPortValue(self._handle[dut],0,0x02)
return returnData
def change_profile(self, dut, profile):
value = c_ubyte(0)
self._dll.GetPortValue(self._handle[dut],4,byref(value))
value.value = (value.value & 0b11111000) + profile
#print(value.value)
self._dll.SetPortValue(self._handle[dut],4,value)
def parameter(self, dut, frequency = None, amplitude = 1, phase = 0, profile = 0):
reg = 0xE + profile
fb = 4294967296.
ab = 16383.
pb = 65535.
if frequency == None:
param = self.read(dut,reg)
return self._fs*(arr2int(param[4:]) / fb), arr2int(param[0:2]) / ab, 2*arr2int(param[2:4]) / pb
else:
param = int2arr(ab*amplitude,2) + int2arr(0.5*pb*phase,2) + int2arr(fb*frequency/float(self._fs),4)
self.write(dut,reg,param)
#self.change_profile(dut,profile)
if __name__ == '__main__':
dds=ad9910(True)
dds.parameter(2,270e6,0.3)
dds.parameter(3,260e6,0.4)
dds.parameter(4,270e6,0.4)
#dds.parameter(4,180e6,0.7)
#dds.parameter(5,200e6,1)
#dds.parameter(6,238.462e6,1)