Page 11 of 13
Page 199
import subprocess
temp = subprocess.Popen(["sudo", "dtparam", "-l"], stdout=subprocess.PIPE)
output = str(temp.communicate())
print(output)
lastSPI = output.rfind("spi")
if lastSPI != -1:
lastSPI = output.find("spi=on", lastSPI)
if lastSPI == -1:
temp = subprocess.Popen(
["sudo", "dtparam", "spi=on"], stdout=subprocess.PIPE)
output = str(temp.communicate())
print("adding", output)
else:
temp = subprocess.Popen(
["sudo", "dtparam", "spi=on"], stdout=subprocess.PIPE)
output = str(temp.communicate())
print("adding", output)
Page 190
import subprocess
temp = subprocess.Popen(["sudo", "dtparam", "-l"], stdout=subprocess.PIPE)
output = str(temp.communicate())
print(output)
lastSPI = output.rfind("spi")
if lastSPI != -1:
lastSPI = output.find("spi=on", lastSPI)
if lastSPI == -1:
temp = subprocess.Popen( ["sudo", "dtparam", "spi=on"], stdout=subprocess.PIPE)
output = str(temp.communicate())
print("adding", output)
else:
temp = subprocess.Popen( ["sudo", "dtparam", "spi=on"], stdout=subprocess.PIPE)
output = str(temp.communicate())
print("adding", output)
