getting_started:tutorials:oneaxis_bbb
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getting_started:tutorials:oneaxis_bbb [2019/10/14 17:21] – [Enable Signal] graf | getting_started:tutorials:oneaxis_bbb [2021/02/12 17:22] (current) – [Experimental Setup with a Beaglebone Blue Board] ursgraf | ||
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====== Experimental Setup with a Beaglebone Blue Board ====== | ====== Experimental Setup with a Beaglebone Blue Board ====== | ||
- | Use a [[https:// | + | Use a [[https:// |
===== Analog Output ===== | ===== Analog Output ===== | ||
There are 4 connectors denoted with //DC Motors//. Connect number 1 with the motor. Before testing plug in the 12V DC power supply or the Li-Po battery, otherwise the motors won't run. ssh into the Beaglebone blue board and run | There are 4 connectors denoted with //DC Motors//. Connect number 1 with the motor. Before testing plug in the 12V DC power supply or the Li-Po battery, otherwise the motors won't run. ssh into the Beaglebone blue board and run | ||
< | < | ||
- | debian@beaglebone:$ rc_test_motors -m 1 -d 1 | + | ost@bblue:$ rc_test_motors -m 1 -d 1 |
</ | </ | ||
//-m 1// selects the first motor while //-d 1// specifies a duty cycle of 1. The motor should run in positive direction. If the motor turns in the opposite direction, change the + and - wire of the motor. You can stop the program by pressing '' | //-m 1// selects the first motor while //-d 1// specifies a duty cycle of 1. The motor should run in positive direction. If the motor turns in the opposite direction, change the + and - wire of the motor. You can stop the program by pressing '' | ||
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There are 4 connectors denoted with //4 Quadrature encoder inputs//. Connect number 1 with your encoder. Make sure that your encoder works with 3.3V as delivered by this connector. Test the encoder with | There are 4 connectors denoted with //4 Quadrature encoder inputs//. Connect number 1 with your encoder. Make sure that your encoder works with 3.3V as delivered by this connector. Test the encoder with | ||
< | < | ||
- | debian@beaglebone:$ rc_test_encoders | + | ost@bblue:$ rc_test_encoders |
</ | </ | ||
- | Turning the motor in positive direction must lead to the encoder counting upwards. If not, change the A and B signal. | + | Turning the motor in positive direction must lead to the encoder counting upwards. If not, change the A and B signals. |
===== Ready Signal ===== | ===== Ready Signal ===== | ||
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===== Emergency Signal ===== | ===== Emergency Signal ===== | ||
- | The emergency signal is used to bring the application in a safe mode. We put this input signal on a digital input pin which is connected to the on board push button //Pause//. Later when the application runs | + | The emergency signal is used to bring the application in a safe mode. We put this input signal on a digital input pin which is connected to the on board push button //Pause//. Later when the application runs we can cause the safety system to switch to an emergency |
- | + | ||
- | * emergency button | + | |
- | + |
getting_started/tutorials/oneaxis_bbb.1571066460.txt.gz · Last modified: 2019/10/14 17:21 by graf