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Miguel Urco -
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1 '''
2 Created on Dec 2, 2014
3
4 @author: Miguel Urco
5
6 eth_device decorator is used to implement an api to ethernet devices.
7 When eth_device decorator is used it adds two parameters to any function (ip and port)
8
9 #Definition
10
11 @eth_device
12 def enable_rf()
13 cmd = "xxxxx"
14 payload = "xxxxxx"
15
16 return cmd, payload
17
18 #How to call this function:
19 answer = enable_rf(ip, port)
20
21 '''
22 import data
23
24 from devices.jro_device import eth_device, IdClass
25
26 ID_CLASS = IdClass["dds"]
27
28 CMD_RESET =0X01
29 CMD_ENABLE =0X02
30 CMD_CHANGEIP =0X03
31 CMD_STATUS =0X04
32 CMD_ECHO =0XFE
33
34 DDS_CMD_RESET =0X10
35 DDS_CMD_ENABLE_RF =0x11
36 # DDS_CMD_MULTIPLIER =0X12
37 # DDS_CMD_MODE =0x13
38 # DDS_CMD_FREQUENCY_A =0X14
39 # DDS_CMD_FREQUENCY_B =0x15
40 # DDS_CMD_PHASE_A =0X16
41 # DDS_CMD_PHASE_B =0x17
42 # DDS_CMD_AMPLITUDE_1 =0X19 #Se han invertido la posicion de los canales
43 # DDS_CMD_AMPLITUDE_2 =0x18 #en el PCB
44
45 DDS_CMD_WRITE =0x50
46 DDS_CMD_READ =0x8000
47
48 @eth_device(ID_CLASS)
49 def reset():
50
51 cmd = CMD_RESET
52 payload = ""
53
54 return cmd, payload
55
56 @eth_device(ID_CLASS)
57 def change_ip(ip, mask="255.255.255.0", gateway="0.0.0.0"):
58
59 cmd = CMD_CHANGEIP
60 payload = ip + '/' + mask + '/' + gateway
61
62 return cmd, payload
63
64 @eth_device(ID_CLASS)
65 def status():
66
67 cmd = CMD_STATUS
68 payload = ""
69
70 return cmd, payload
71
72 @eth_device(ID_CLASS)
73 def echo():
74
75 cmd = CMD_ECHO
76 payload = ""
77
78 return cmd, payload
79
80 @eth_device(ID_CLASS)
81 def enable_rf():
82
83 cmd = DDS_CMD_ENABLE_RF
84 payload = chr(0x01)
85
86 return cmd, payload
87
88 @eth_device(ID_CLASS)
89 def disable_rf():
90
91 cmd = DDS_CMD_ENABLE_RF
92 payload = chr(0x00)
93
94 return cmd, payload
95
96 @eth_device(ID_CLASS)
97 def read_all_device():
98
99 payload = ""
100
101 return DDS_CMD_READ, payload
102
103 @eth_device(ID_CLASS)
104 def write_all_device(payload):
105
106 return DDS_CMD_WRITE, payload
107
108 def read_config(ip, port):
109 """
110 Output:
111 parms : Dictionary with keys
112 multiplier :
113 frequencyA :
114 frequencyB :
115 frequencyA_Mhz :
116 frequencyB_Mhz :
117 modulation :
118 phaseA_degrees :
119 phaseB_degrees :
120 amplitudeI :
121 amplitudeQ :
122
123 """
124 payload = read_all_device(ip, port)
125
126 return data.dds_str_to_dict(payload)
127
128 def write_config(ip, port, parms):
129 """
130 Input:
131 ip :
132 port :
133 parms : Dictionary with keys
134 multiplier : 4 to 20
135 frequencyA : 0 to (2**48-1) equivalent to: 0 - "Master clock"
136 frequencyB : 0 to (2**48-1) equivalent to: 0 - "Master clock"
137 modulation : 0 to 3
138 phaseA_degrees : 0 - 360 degrees
139 phaseB_degrees : 0 - 360 degrees
140 amplitudeI : 0 to (2**12-1) equivalent to: 0 - 100%
141 amplitudeQ : 0 to (2**12-1) equivalent to: 0 - 100%
142
143 """
144
145 payload = data.dict_to_dds_str(parms)
146
147 answer = write_all_device(ip, port, payload)
148
149 return answer
150
151 if __name__ == '__main__':
152 # print enable_rf("127.0.0.1", 2000)
153 print read_config("127.0.0.1", 2000) No newline at end of file
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1 '''
2 Created on Feb 15, 2016
3
4 @author: Miguel Urco
5 '''
6 import struct
7
8 DDS_NBITS = 48
9
10 def freq_to_binary(freq, mclock):
11
12 binary = (float(freq)/mclock)*(2**DDS_NBITS)
13
14 return binary
15
16 def binary_to_freq(binary, mclock):
17
18 freq = (float(binary)/(2**DDS_NBITS))*mclock
19
20 return freq
21
22 def phase_to_binary(phase):
23
24 binary = float(phase)*8192/180.0
25
26 return binary
27
28 def binary_to_phase(binary):
29
30 phase = float(binary)*180.0/8192
31
32 return phase
33
34 def dds_str_to_dict(registers):
35
36 """
37 Output:
38 parms : Dictionary with keys
39 multiplier :
40 frequencyA :
41 frequencyB :
42 frequencyA_Mhz :
43 frequencyB_Mhz :
44 modulation :
45 phaseA_degrees :
46 phaseB_degrees :
47 amplitudeI :
48 amplitudeQ :
49
50 """
51
52 if not registers:
53 return {}
54
55 if len(registers) != 0x28:
56 return {}
57
58 phaseA = struct.unpack('>H', registers[0x0:0x2])[0]
59 phaseB = struct.unpack('>H', registers[0x2:0x4])[0]
60
61 frequencyA = struct.unpack('>Q', '\x00\x00' + registers[0x04:0x0A])[0]
62 frequencyB = struct.unpack('>Q', '\x00\x00' + registers[0x0A:0x10])[0]
63
64 delta_frequency = struct.unpack('>Q', '\x00\x00' + registers[0x10:0x16])[0]
65
66 update_clock = struct.unpack('>I', registers[0x16:0x1A])[0]
67
68 ramp_rate_clock = struct.unpack('>I', '\x00' + registers[0x1A:0x1D])[0]
69
70 control_register = struct.unpack('>I', registers[0x1D:0x21])[0]
71
72 amplitudeI = struct.unpack('>H', registers[0x21:0x23])[0]
73 amplitudeQ = struct.unpack('>H', registers[0x23:0x25])[0]
74
75 amp_ramp_rate = ord(registers[0x25])
76
77 qdac = struct.unpack('>H', registers[0x26:0x28])[0]
78
79 multiplier = (control_register & 0x001F0000) >> 16
80 modulation = (control_register & 0x00000E00) >> 9
81 amplitude_enabled = (control_register & 0x00000020) >> 5
82
83 parms = {'clock' : None,
84 'multiplier' : multiplier,
85 'frequencyA' : frequencyA,
86 'frequencyB' : frequencyB,
87 'frequencyA_Mhz' : None,
88 'frequencyB_Mhz' : None,
89 'phaseA' : phaseA,
90 'phaseB' : phaseB,
91 'phaseA_degrees' : binary_to_phase(phaseA),
92 'phaseB_degrees' : binary_to_phase(phaseB),
93 'modulation' : modulation,
94 'amplitudeI' : amplitudeI,
95 'amplitudeQ' : amplitudeQ,
96 'amplitude_enabled' : amplitude_enabled,
97 'delta_frequency' : delta_frequency,
98 'update_clock' : update_clock,
99 'ramp_rate_clock' : ramp_rate_clock,
100 'amp_ramp_rate' : amp_ramp_rate,
101 'qdac' : qdac
102 }
103
104 return parms
105
106 def dict_to_dds_str(parms):
107 """
108 Input:
109 parms : Dictionary with keys
110 multiplier : 4 to 20
111 frequencyA : 0 to (2**48-1) equivalent to: 0 - "Master clock"
112 frequencyB : 0 to (2**48-1) equivalent to: 0 - "Master clock"
113 modulation : 0 to 3
114 phaseA_degrees : 0 - 360 degrees
115 phaseB_degrees : 0 - 360 degrees
116 amplitudeI : 0 to (2**12-1) equivalent to: 0 - 100%
117 amplitudeQ : 0 to (2**12-1) equivalent to: 0 - 100%
118 """
119
120 my_dict = {'clock' : None,
121 'multiplier' : 1,
122 'frequencyA' : 0,
123 'frequencyB' : 0,
124 'frequencyA_Mhz' : 0,
125 'frequencyB_Mhz' : 0,
126 'phaseA_degress' : 0,
127 'phaseB_degress' : 0,
128 'modulation' : 0,
129 'amplitudeI' : 0,
130 'amplitudeQ' : 0,
131 'amplitude_enabled' : 0,
132 'delta_frequency' : 0,
133 'update_clock' : 0,
134 'ramp_rate_clock' : 0,
135 'amplitude_ramp_rate' : 0,
136 'qdac' : 0
137 }
138
139 print "PArms", parms
140
141 my_dict.update(parms)
142 my_dict['phaseA'] = phase_to_binary(my_dict['phaseA_degrees'])
143 my_dict['phaseB'] = phase_to_binary(my_dict['phaseB_degrees'])
144
145 registers = ""
146
147 control_register = (my_dict['multiplier'] << 16) + (my_dict['modulation'] << 9) + (my_dict['amplitude_enabled'] << 5)
148
149 registers += struct.pack(">H", my_dict['phaseA'])
150 registers += struct.pack(">H", my_dict['phaseB'])
151
152 registers += struct.pack(">Q", my_dict['frequencyA'])[2:]
153 registers += struct.pack(">Q", my_dict['frequencyB'])[2:]
154
155 registers += struct.pack(">Q", my_dict['delta_frequency'])[2:]
156
157 registers += struct.pack(">I", my_dict['update_clock'])
158
159 registers += struct.pack(">I", my_dict['ramp_rate_clock'])[1:]
160
161 registers += struct.pack(">I", control_register)
162
163 registers += struct.pack(">H", my_dict['amplitudeI'])
164
165 registers += struct.pack(">H", my_dict['amplitudeQ'])
166
167 registers += chr(my_dict['amplitude_ramp_rate'])
168
169 registers += struct.pack(">H", my_dict['qdac'])
170
171 return registers No newline at end of file
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1 '''
2 Created on Dec 2, 2014
3
4 @author: Miguel Urco
5 '''
6 import time
7 import struct
8 import socket
9
10 DEBUG = False
11 CMD_RESET =0X01
12 CMD_ENABLE =0X02
13 CMD_CHANGEIP =0X03
14
15 IdClass={
16 "rc" : 0x01,
17 "dds" : 0x02,
18 "jars" : 0x03,
19 "usrp" : 0x04,
20 "echotek" : 0x05,
21 "abs" : 0x06,
22 "clk_gen" : 0x07
23 }
24
25 def ascii2hex(cadena):
26
27 hex_cad = ''
28 for c in cadena:
29 hex_cad += hex(ord(c))[2:].rjust(2,'0') + ' '
30
31 return hex_cad
32
33 def ping(host):
34 """
35 Returns True if host responds to a ping request
36 """
37 import os, platform
38
39 # Ping parameters as function of OS
40 ping_str = "-n 1" if platform.system().lower()=="windows" else "-c 1"
41
42 # Ping
43 return os.system("ping " + ping_str + " " + host) == 0
44
45 class IPData(object):
46
47 '''
48 Clase para manejar la trama de datos provenientes del/hacia un dispositivo Ethernet.
49 La trama de datos es la siguiente:
50
51 **********************************
52 ** FORMATO GENERAL DE UNA TRAMA **
53 **********************************
54
55 1. Cabecera (5 bytes): Secuencia Fija que deber ser "$JRO$"
56 2. Longitud (3 bytes): Cantidad de bytes de la Data, contados desde IdClass hasta el Xor
57 3. Id class (1 byte) : Clase de dispositivo a configurar. Por defecto 0
58 4. Id device (1 byte): Identificar del dispositivo a configurar. Por defecto 0
59 5. Cmd (2 bytes): Identificador del comando a ejecutarse.
60 3. Payload (n bytes): Carga Util conteniendo secuencia,comandos y parametros
61 4. Xor (1 byte): Byte de revision de consistencia de la data al aplicar Xor a todos los bytes,
62 desde la longitud hasta el payload.
63
64 '''
65 __HEADER = "$JRO$"
66
67 def __init__(self, ip, port, id_class=0, id_dev=0):
68 '''
69 '''
70 self.id_class = id_class
71 self.id_dev = id_dev
72
73 self.address = (str(ip), int(port))
74
75 self.__iniVariables()
76
77 def __iniVariables(self):
78
79 self.tx_buffer = None
80 self.rx_buffer = None
81
82 #self.header = None
83 self.len = None
84 self.cmd = None
85 self.payload = None
86
87 self.invalid = True
88 self.errormsg = ''
89 self.hasPayload = False
90
91 def __getXor(self, cadena):
92 '''
93 '''
94 #trama = '%03d' %lenght + ipPayload
95 xor = 0
96 for character in cadena:
97 xor = xor ^ ord(character)
98
99 # xor_hex = hex(xor)
100 # xor_hex = xor_hex[2:]
101 # xor_hex = xor_hex.rjust(2,'0')
102
103 return xor
104
105 def __verifyXor(self, cadena):
106
107 xor = self.__getXor(cadena)
108
109 if xor != 0:
110 return 0
111
112 return 1
113
114 def __encoder(self, cmd, payload):
115 '''
116 Inputs:
117 cmd : Entero que indica el tipo de comando
118 payload : Cadena de caracteres con informacion, depende del comando
119
120 '''
121
122 #seq = '%04d' %(sequence)
123 #conf = '%04d' %(confcode)
124
125 #Number to Cad: 2 Bytes <> H, 4 Bytes <> I
126 cmd_cad = struct.pack(">H", cmd)
127
128 data = chr(self.id_class) + chr(self.id_dev) + cmd_cad + payload
129
130 len_data = len(data) + 1 # + xor
131 len_cad = struct.pack('>I', len_data)
132
133 lenAndData = len_cad + chr(self.id_class) + chr(self.id_dev) + cmd_cad + payload
134
135 xor = self.__getXor(lenAndData)
136
137 trama = self.__HEADER + lenAndData + chr(xor)
138
139 self.tx_buffer = trama
140
141 return trama
142
143 def __decoder(self, rx_buffer):
144 '''
145 Evalua la trama y la separa en los campos correspondientes
146
147 4Bytes | 4Bytes | 1Byte | 1 Byte | 2 Bytes | n Bytes | 1 Byte
148 Header | Len | Id class | Id dev | Cmd | Payload | Xor
149
150 '''
151 self.invalid = True
152 self.hasPayload = False
153 self.rx_buffer = rx_buffer
154
155 try:
156 index = rx_buffer.find(self.__HEADER)
157 except:
158 self.errormsg = "rx_buffer is not a string"
159 return 0
160
161 if index == -1:
162 self.errormsg = "No header found: %s" %ascii2hex(rx_buffer)
163 return 0
164
165 rx_buffer = rx_buffer[index + len(self.__HEADER):]
166
167 len_cad = rx_buffer[0:4]
168
169 len_data = struct.unpack('>I',len_cad)[0]
170
171 lenAndDataAndXor = rx_buffer[0:len_data + 4] #Incluye los 4 bytes de la longitud
172
173 dataAndXor = lenAndDataAndXor[4:]
174
175 if len(dataAndXor) < len_data:
176 self.errormsg = "Data length is lower than %s" %(len_data)
177 return 0
178
179 # print self.header, ", ", ascii2hex(lenCad), ", ", ascii2hex(ipDataAndXor), ", ", hex(self.xor)
180
181 if not self.__verifyXor(lenAndDataAndXor):
182 self.errormsg = "Invalid xor: %s" %lenAndDataAndXor[-1]
183 return 0
184
185 self.invalid = False
186
187 len_payload = len_data - 5 #Decrementar 1B (id_class), 1B (id_dev), 2B (cmd) y 1B (xor)
188
189 id_class = ord(dataAndXor[0])
190 id_dev = ord(dataAndXor[1])
191 cmd_cad = dataAndXor[2:4]
192 payload = dataAndXor[4:4+len_payload]
193
194 cmd = struct.unpack('>H',cmd_cad)[0]
195
196 self.id_class = id_class
197 self.id_dev = id_dev
198 self.cmd = cmd
199
200 if len(payload) < 1:
201 self.errormsg = "IP data is valid but it hasn't payload"
202 return 1
203
204 self.hasPayload = True
205 self.payload = payload
206
207 self.errormsg = "Successful"
208
209 return 1
210
211 def __decoder_api(self, rx_buffer, debug = DEBUG):
212 """
213 Input:
214 rx_buffer : Trama recibida como respuesta a un comando enviada a un dispositivo.
215
216 Return:
217 0 : Trama recibida incorrecta. La cadena "rx_buffer" no ha sido decodificada correctamente.
218 -1 : Dispositivo no inicializado. El dispositivo, dds o rc, no ha sido inicializado
219 correctamente.
220 -2 : Trama enviada no reconocida. La cadena recibida es correcta y el dispositivo ha sido
221 inicializaado correctamente pero la trama enviada no ha sido reconocida por el
222 dispositivo o el comando enviado no ha sido implementado.
223 >0 : Trama enviada y recibida correctamente
224 """
225
226 if not self.__decoder(rx_buffer):
227 return "0:Error decoding eth data: " + ascii2hex(self.rx_buffer)
228
229 # if self.getPayload() == "OK":
230 # return 1
231 #
232 # if self.getPayload() == "NI":
233 # return -1
234 #
235 # if self.getPayload() == "KO":
236 # return -2
237
238 if debug:
239 print ascii2hex(self.rx_buffer)
240
241 return self.payload
242
243 def getRxBufferHex(self):
244
245 if self.rx_buffer == None:
246 return ''
247
248 cad = ascii2hex(self.rx_buffer)
249
250 return cad
251
252 def getTxBufferHex(self):
253
254 if self.tx_buffer == None:
255 return ''
256
257 cad = ascii2hex(self.tx_buffer)
258
259 return cad
260
261 def isInvalid(self):
262
263 return self.invalid
264
265 def getCmd(self):
266 return self.cmd
267
268 def getPayload(self):
269 return self.payload
270
271 def getErrorMessage(self):
272
273 return self.errormsg
274
275 def getTxBuffer(self):
276
277 return self.tx_buffer
278
279 def getRxBuffer(self):
280
281 return self.rx_buffer
282
283 def __encodeIpCmd(self, ip, mask, gateway):
284
285 payload = ip + '/' + mask + '/' + gateway
286 return self.__encoder(CMD_CHANGEIP, payload)
287
288 def __encodeResetCmd(self):
289
290 payload = ""
291 return self.__encoder(CMD_RESET, payload)
292
293 def __sendTCPData(self, cadena):
294
295 sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
296 sck.settimeout(2)
297
298 try:
299 sck.connect(self.address)
300 except:
301 return None
302
303 # print "TX: ", ascii2hex(cadena)
304
305 sck.send(cadena)
306
307 rx_buffer = ""
308
309 ini = time.time()
310
311 try:
312 while True:
313
314 if time.time() - ini > 0.5:
315 break
316
317 tmp = sck.recv(255)
318
319 if len(tmp) < 1:
320 continue
321
322 ini = time.time()
323 rx_buffer += tmp
324
325 finally:
326 sck.close()
327
328 # print "RX: ", ascii2hex(rx_buffer)
329
330 return rx_buffer
331
332 def changeIP(self, ip, mask, gateway):
333
334 tx_buffer = self.__encodeIpCmd(ip, mask, gateway)
335 rx_buffer = self.__sendTCPData(tx_buffer)
336
337 sts = self.__decoder_api(rx_buffer)
338
339 if sts > 0:
340 self.address = (ip, self.address[1])
341
342 return sts
343
344 def reset(self):
345
346 tx_buffer = self.__encodeResetCmd()
347 rx_buffer = self.__sendTCPData(tx_buffer)
348
349 return self.__decoder_api(rx_buffer)
350
351 def sendData(self, cmd, payload, server=False):
352
353 if server:
354 tx_buffer = self.__encoder(cmd, payload)
355
356 print "TX: ", ascii2hex(tx_buffer)
357
358 self.client_connection.sendall(tx_buffer)
359
360 else:
361
362 tx_buffer = self.__encoder(cmd, payload)
363
364 print "TX: ", ascii2hex(tx_buffer)
365
366 rx_buffer = self.__sendTCPData(tx_buffer)
367
368 if not rx_buffer:
369 msg = "0:Could not connect to Device %s" %str(self.address)
370 return msg
371
372 print "RX: ", ascii2hex(rx_buffer)
373
374 return self.__decoder_api(rx_buffer)
375
376 def receiveData(self, rx_buffer):
377
378 print "RX: ", ascii2hex(rx_buffer)
379
380 return self.__decoder(rx_buffer)
381
382
383 def eth_device(id_class):
384 def inner_func(func):
385 def func_wrapper(ip, port, *args):
386
387 cmd, payload = func(*args)
388
389 ipObj = IPData(ip, port, id_class=id_class)
390
391 rx = ipObj.sendData(cmd, payload)
392
393 return rx
394
395 return func_wrapper
396 return inner_func No newline at end of file
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1 '''
2 Created on Dec 2, 2014
3
4 @author: Miguel Urco
5
6 eth_device decorator is used to implement an api to ethernet devices.
7 When eth_device decorator is used it adds two parameters to any function (ip and port)
8
9 #Definition
10
11 @eth_device
12 def enable_rf()
13 cmd = "xxxxx"
14 payload = "xxxxxx"
15
16 return cmd, payload
17
18 #How to call this function:
19 answer = enable_rf(ip, port)
20
21 '''
22 import data
23
24 from devices.jro_device import eth_device, IdClass
25
26 ID_CLASS = IdClass["rc"]
27
28 CMD_RESET =0X01
29 CMD_ENABLE =0X02
30 CMD_CHANGEIP =0X03
31 CMD_STATUS =0X04
32 CMD_ECHO =0XFE
33
34 DDS_CMD_RESET =0X10
35 DDS_CMD_ENABLE_RF =0x11
36 # DDS_CMD_MULTIPLIER =0X12
37 # DDS_CMD_MODE =0x13
38 # DDS_CMD_FREQUENCY_A =0X14
39 # DDS_CMD_FREQUENCY_B =0x15
40 # DDS_CMD_PHASE_A =0X16
41 # DDS_CMD_PHASE_B =0x17
42 # DDS_CMD_AMPLITUDE_1 =0X19 #Se han invertido la posicion de los canales
43 # DDS_CMD_AMPLITUDE_2 =0x18 #en el PCB
44
45 DDS_CMD_WRITE =0x50
46 DDS_CMD_READ =0x8000
47
48 @eth_device(ID_CLASS)
49 def reset():
50
51 cmd = CMD_RESET
52 payload = ""
53
54 return cmd, payload
55
56 @eth_device(ID_CLASS)
57 def change_ip(ip, mask="255.255.255.0", gateway="0.0.0.0"):
58
59 cmd = CMD_CHANGEIP
60 payload = ip + '/' + mask + '/' + gateway
61
62 return cmd, payload
63
64 @eth_device(ID_CLASS)
65 def status():
66
67 cmd = CMD_STATUS
68 payload = ""
69
70 return cmd, payload
71
72 @eth_device(ID_CLASS)
73 def echo():
74
75 cmd = CMD_ECHO
76 payload = ""
77
78 return cmd, payload
79
80 @eth_device(ID_CLASS)
81 def read_all_device():
82
83 payload = ""
84
85 return DDS_CMD_READ, payload
86
87 @eth_device(ID_CLASS)
88 def write_all_device(payload):
89
90 return DDS_CMD_WRITE, payload
91
92 def read_config(ip, port):
93 """
94 Output:
95 parms : Dictionary with keys
96
97 """
98 payload = read_all_device(ip, port)
99
100 return data.rc_str_to_dict(payload)
101
102 def write_config(ip, port, parms):
103 """
104 Input:
105 ip :
106 port :
107 parms : Dictionary with keys
108
109 """
110
111 payload = data.dict_to_rc_str(parms)
112
113 answer = write_all_device(ip, port, payload)
114
115 return answer
116
117 if __name__ == '__main__':
118 ip = "10.10.20.150"
119 port = 2000
120
121 print status(ip, port)
122 print read_config(ip, port) No newline at end of file
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@@ -0,0 +1,26
1 '''
2 Created on Feb 15, 2016
3
4 @author: Miguel Urco
5 '''
6 import struct
7
8 def rc_str_to_dict(registers):
9
10 parms = {'clock' : 10
11 }
12
13 return parms
14
15 def dict_to_rc_str(parms):
16 """
17 Input:
18 parms : Dictionary with keys
19 """
20
21 my_dict = {'clock' : 10
22 }
23
24 registers = ord(my_dict['clock'])
25
26 return registers No newline at end of file
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@@ -0,0 +1,67
1 '''
2 Created on Feb 8, 2016
3
4 @author: Miguel Urco
5 '''
6
7 import string
8 import data
9
10 def read_rc_file(fp):
11 """
12 Function to extract the parameters from a text file with the next format:
13
14 Input:
15
16 File with the next content:
17
18 Phase Adjust Register 1
19 -----------------------
20 00000000
21 00000000
22
23 .....
24
25 -----------------------
26 Frequency Tuning Word 1
27 -----------------------
28 00110101
29 01111111
30 11111111
31 11111111
32 10100000
33 00000000
34
35 Output:
36 Return configuration parameters for DDS: multiplier, frequency, phase, amplitude, etc.
37
38 """
39
40 registers = ""
41
42 for this_line in fp:
43 this_line = str.strip(this_line)
44
45 if not str.isdigit(this_line):
46 continue
47
48 if len(this_line) != 8:
49 continue
50
51 registers += chr(string.atoi(this_line,2))
52
53 parms = data.rc_str_to_dict(registers)
54
55 return parms
56
57 def read_json_file(fp):
58
59 kwargs = {}
60
61 return kwargs
62
63 def write_cr_file(filename):
64 pass
65
66 def write_json_file(filename):
67 pass No newline at end of file
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@@ -5,6 +5,7 Created on Feb 8, 2016
5 '''
5 '''
6
6
7 import string
7 import string
8 import data
8
9
9 def read_dds_file(fp):
10 def read_dds_file(fp):
10 """
11 """
@@ -36,8 +37,7 def read_dds_file(fp):
36
37
37 """
38 """
38
39
39 kwargs = {}
40 registers = ""
40 dds_registers = []
41
41
42 for this_line in fp:
42 for this_line in fp:
43 this_line = str.strip(this_line)
43 this_line = str.strip(this_line)
@@ -48,37 +48,11 def read_dds_file(fp):
48 if len(this_line) != 8:
48 if len(this_line) != 8:
49 continue
49 continue
50
50
51 dds_registers.append(string.atoi(this_line,2))
51 registers += chr(string.atoi(this_line,2))
52
53 if len(dds_registers) != 40:
54 return kwargs
55
56 kwargs['clock'] = 60.0
57
58 kwargs['phase_bin'] = dds_registers[0]*(2**8) + dds_registers[1]
59 kwargs['phase_mod_bin'] = dds_registers[2]*(2**8) + dds_registers[3]
60
61 kwargs['frequency_bin'] = dds_registers[4]*(2**40) + dds_registers[5]*(2**32) + dds_registers[6]*(2**24) + dds_registers[7]*(2**16) + dds_registers[8]*(2**8) + dds_registers[9]
62 kwargs['frequency_mod_bin'] = dds_registers[10]*(2**40) + dds_registers[11]*(2**32) + dds_registers[12]*(2**24) + dds_registers[13]*(2**16) + dds_registers[14]*(2**8) + dds_registers[15]
63
64 kwargs['delta_frequency'] = dds_registers[16]*(2**40) + dds_registers[17]*(2**32) + dds_registers[18]*(2**24) + dds_registers[19]*(2**16) + dds_registers[20]*(2**8) + dds_registers[21]
65
52
66 kwargs['update_clock'] = dds_registers[22]*(2**24) + dds_registers[23]*(2**16) + dds_registers[24]*(2**8) + dds_registers[25]
53 parms = data.dds_str_to_dict(registers)
67
54
68 kwargs['ramp_rate_clock'] = dds_registers[26]*(2**16) + dds_registers[27]*(2**8) + dds_registers[28]
55 return parms
69
70 kwargs['control_register'] = dds_registers[29]*(2**24) + dds_registers[30]*(2**16) + dds_registers[31]*(2**8) + dds_registers[32]
71
72 kwargs['multiplier'] = dds_registers[30] & 0x1F
73 kwargs['modulation'] = (dds_registers[31] & 0x0E) >> 1
74 kwargs['amplitude_enabled'] = (dds_registers[32] & 0x20) >> 5
75
76 kwargs['amplitude_ch_A'] = (dds_registers[33]*(2**8) + dds_registers[34]) & 0x0FFF
77 kwargs['amplitude_ch_B'] = (dds_registers[35]*(2**8) + dds_registers[36]) & 0x0FFF
78
79 kwargs['amplitude_ramp_rate'] = dds_registers[37]
80
81 return kwargs
82
56
83 def read_json_file(fp):
57 def read_json_file(fp):
84
58
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