| Sebastian Plamauer | 3526716 | 2014-05-04 12:53:01 +0200 | [diff] [blame] | 1 | # log the accelerometer values to a .csv-file on the SD-card |
| Damien George | fd04bb3 | 2014-01-07 17:14:05 +0000 | [diff] [blame] | 2 | |
| Sebastian Plamauer | 3526716 | 2014-05-04 12:53:01 +0200 | [diff] [blame] | 3 | import pyb |
| Damien George | fd04bb3 | 2014-01-07 17:14:05 +0000 | [diff] [blame] | 4 | |
| Damien George | 69661f3 | 2020-02-27 15:36:53 +1100 | [diff] [blame^] | 5 | accel = pyb.Accel() # create object of accelerometer |
| 6 | blue = pyb.LED(4) # create object of blue LED |
| Damien George | fd04bb3 | 2014-01-07 17:14:05 +0000 | [diff] [blame] | 7 | |
| Damien George | a0441fc | 2020-02-27 15:25:48 +1100 | [diff] [blame] | 8 | # open file to write data - /sd/ is the SD-card, /flash/ the internal memory |
| Damien George | 69661f3 | 2020-02-27 15:36:53 +1100 | [diff] [blame^] | 9 | log = open("/sd/log.csv", "w") |
| Damien George | a0441fc | 2020-02-27 15:25:48 +1100 | [diff] [blame] | 10 | |
| Damien George | 69661f3 | 2020-02-27 15:36:53 +1100 | [diff] [blame^] | 11 | blue.on() # turn on blue LED |
| Damien George | fd04bb3 | 2014-01-07 17:14:05 +0000 | [diff] [blame] | 12 | |
| Damien George | a0441fc | 2020-02-27 15:25:48 +1100 | [diff] [blame] | 13 | # 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.) |
| 14 | for i in range(100): |
| Damien George | 69661f3 | 2020-02-27 15:36:53 +1100 | [diff] [blame^] | 15 | t = pyb.millis() # get time since reset |
| 16 | x, y, z = accel.filtered_xyz() # get acceleration data |
| 17 | log.write("{},{},{},{}\n".format(t, x, y, z)) # write data to file |
| Damien George | fd04bb3 | 2014-01-07 17:14:05 +0000 | [diff] [blame] | 18 | |
| Damien George | 69661f3 | 2020-02-27 15:36:53 +1100 | [diff] [blame^] | 19 | log.close() # close file |
| 20 | blue.off() # turn off LED |