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Added Support for SX1276 LoRa module for long range wireless communication #63

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Merged
merged 16 commits into from
Jun 8, 2017
Merged

Added Support for SX1276 LoRa module for long range wireless communication #63

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0a017ca
Add support for ADS1115 16-bit ADC
jithinbp Apr 14, 2017
acf4720
Merge branch 'development' of https://github.com/fossasia/pslab-pytho…
jithinbp Apr 30, 2017
8f12c9e
modify Params dict in MPU6050.py as an example for improving sensor M…
jithinbp Apr 30, 2017
69da398
MPU6050.py : remove powerUp function's argument
jithinbp Apr 30, 2017
9b0f57b
MPU6050.py : Kalman Filtering's options defined in a dictionary element
jithinbp Apr 30, 2017
3e799a1
Modified Params dictionary in all Sensor files
jithinbp Apr 30, 2017
f05e3c8
Convert I2C sensor oscilloscope into non-blocking method
jithinbp May 6, 2017
d0dec8f
add support library for MPU925x 10-DOF IMU sensor
jithinbp May 6, 2017
c8dde2d
Convert I2C sensor oscilloscope into non-blocking method
jithinbp May 6, 2017
acf6c6a
add support library for MPU925x 10-DOF IMU sensor
jithinbp May 6, 2017
2c41fe7
Merge branch 'development' of https://github.com/jithinbp/pslab-pytho…
jithinbp May 7, 2017
7df2c3f
added support for SX1276 LoRa module
jithinbp Jun 3, 2017
ad2f4eb
tested LoRa modules up to 500metres
jithinbp Jun 5, 2017
fff2fa2
Added a transaction function to sciencelab.SPI . made code edits base…
jithinbp Jun 8, 2017
97d4fa8
resolve merge conflicts
jithinbp Jun 8, 2017
2e6c264
further changes based on Codacy recommendations
jithinbp Jun 8, 2017
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further changes based on Codacy recommendations
  • Loading branch information
@jithinbp
jithinbp committed Jun 8, 2017
commit 2e6c2647e3b15fbfe76bd18c72a72c5436427e5a
3 changes: 1 addition & 2 deletions PSL/Peripherals.py
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Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,6 @@ def __captureStart__(self,address,location,sample_length,total_samples,tg):
def __retrievebuffer__(self):
'''
Fetch data acquired by the I2C scope. refer to :func:`__captureStart__`

'''
total_int_samples = self.total_bytes/2
DATA_SPLITTING = 500
Expand Down Expand Up @@ -457,7 +456,7 @@ def __retrievebuffer__(self):
self.H.__sendInt__(total_int_samples%DATA_SPLITTING)
self.H.__sendInt__(total_int_samples-total_int_samples%DATA_SPLITTING)
rem = 2*(total_int_samples%DATA_SPLITTING)+1
for a in range(20):
for _ in range(20):
partial = self.H.fd.read(rem) #reading int by int sometimes causes a communication error. this works better.
rem -=len(partial)
data+=partial
Expand Down
12 changes: 5 additions & 7 deletions PSL/SENSORS/Sx1276.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
#Registers adapted from sample code for SEMTECH SX1276
import time

def connect(SPI):
return SX1276(SPI)
def connect(SPI,frq,**kwargs):
return SX1276(SPI,frq,**kwargs)


class SX1276():
Expand Down Expand Up @@ -56,7 +56,6 @@ class SX1276():

PA_OUTPUT_RFO_PIN =0
PA_OUTPUT_PA_BOOST_PIN =1

_onReceive = 0
_frequency = 10
_packetIndex = 0
Expand Down Expand Up @@ -196,10 +195,10 @@ def reset(self):


def idle(self):
self.SPIWrite(self.REG_OP_MODE,[self.MODE_LONG_RANGE_MODE|self.MODE_STDBY])
self.SPIWrite(self.REG_OP_MODE,[self.MODE_LONG_RANGE_MODE|self.MODE_STDBY])

def sleep(self):
self.SPIWrite(self.REG_OP_MODE,[self.MODE_LONG_RANGE_MODE|self.MODE_SLEEP])
self.SPIWrite(self.REG_OP_MODE,[self.MODE_LONG_RANGE_MODE|self.MODE_SLEEP])

def setTxPower(self,level,pin):
if pin == self.PA_OUTPUT_RFO_PIN:
Expand Down Expand Up @@ -308,11 +307,10 @@ def getRaw(self):

if __name__ == "__main__":
RX = 0; TX=1
import time
mode = RX
from PSL import sciencelab
I= sciencelab.connect()
lora = SX1276(I.SPI,434e6,boost=True,power=17,BW=125e3,SF=12,CR=5) #settings for maximum range
lora = SX1276(I.SPI,434e6,boost=True,power=17,BW=125e3,SF=12,CR=5) #settings for maximum range
lora.crc()
cntr=0
while 1:
Expand Down
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