diff options
| -rw-r--r-- | examples/accellog.py | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/examples/accellog.py b/examples/accellog.py index 81f44f19a8..bb711b05fa 100644 --- a/examples/accellog.py +++ b/examples/accellog.py @@ -1,14 +1,17 @@ -# log the accelerometer values to a file, 1 per second +# log the accelerometer values to a .csv-file on the SD-card -f = open('motion.dat', 'w') # open the file for writing +import pyb -for i in range(60): # loop 60 times - time = pyb.time() # get the current time - accel = pyb.accel() # get the accelerometer data +accel = pyb.Accel() # create object of accelerometer +blue = pyb.LED(4) # create object of blue LED - # write time and x,y,z values to the file - f.write('{} {} {} {}\n'.format(time, accel[0], accel[1], accel[2])) +log = open('1:/log.csv', 'w') # open file to write data - 1:/ ist the SD-card, 0:/ the internal memory +blue.on() # turn on blue LED - pyb.delay(1000) # wait 1000 ms = 1 second +for i in range(100): # do 100 times (if the board is connected via USB, you can't write longer because the PC tries to open the filesystem which messes up your file.) + t = pyb.millis() # get time since reset + x, y, z = accel.filtered_xyz() # get acceleration data + log.write('{},{},{},{}\n'.format(t,x,y,z)) # write data to file -f.close() # close the file +log.close() # close file +blue.off() # turn off LED |