Motion position blending

  1'''
  2Motion - Motion_position_blending.py with asynchronous mode.
  3
  4-------------------------------------------------------------------------------------
  5Please change correct serial number or IP and port number BEFORE you run example code.
  6
  7For other examples please check:
  8    https://github.com/WPC-Systems-Ltd/WPC_Python_driver_release/tree/main/examples
  9See README.md file to get detailed usage of this example.
 10
 11Copyright (c) 2022-2024 WPC Systems Ltd. All rights reserved.
 12'''
 13
 14## Python
 15import asyncio
 16
 17## WPC
 18
 19from wpcsys import pywpc
 20
 21async def main():
 22    ## Get Python driver version
 23    print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
 24
 25    ## Create device handle
 26    dev = pywpc.EMotion()
 27
 28    ## Connect to device
 29    try:
 30        dev.connect("192.168.1.110") ## Depend on your device
 31    except Exception as err:
 32        pywpc.printGenericError(err)
 33        ## Release device handle
 34        dev.close()
 35        return
 36
 37    try:
 38        ## Parameters setting
 39        port = 0 ## Depend on your device
 40        axis = 0
 41        two_pulse_mode = 1
 42        rel_posi_mode = 1
 43        stop_decel = 0
 44        new_position = 0
 45
 46        ## Axis and encoder parameters
 47        axis_dir_cw = 0
 48        encoder_dir_cw = 0
 49
 50        ## Polarity and enable parameters
 51        active_low = 0
 52        active_high = 1
 53        forward_enable_true = 1
 54        reverse_enable_true = 1
 55        home_enable_false = 0
 56
 57        ## Get firmware model & version
 58        driver_info = await dev.Sys_getDriverInfo_async()
 59        print("Model name: " + driver_info[0])
 60        print("Firmware version: " + driver_info[-1])
 61
 62        ## Motion open
 63        err = await dev.Motion_open_async(port)
 64        print(f"open_async in port {port}, status: {err}")
 65
 66        '''
 67        ## Motion open configuration file
 68        err = await dev.Motion_openCfgFile_async('C:/Users/user/Desktop/3AxisStage_2P.ini')
 69        print(f"openCfgFile_async, status: {err}")
 70
 71        ## Motion load configuration file
 72        err = await dev.Motion_loadCfgFile_async()
 73        print(f"loadCfgFile_async, status: {err}")
 74        '''
 75
 76        ## Motion configure
 77        err = await dev.Motion_cfgAxis_async(port, axis, two_pulse_mode, axis_dir_cw, encoder_dir_cw, active_low)
 78        print(f"cfgAxis_async in axis{axis}, status: {err}")
 79
 80        err = await dev.Motion_cfgLimit_async(port, axis, forward_enable_true, reverse_enable_true, active_low)
 81        print(f"cfgLimit_async in axis{axis}, status: {err}")
 82
 83        err = await dev.Motion_cfgHome_async(port, axis, home_enable_false, active_low)
 84        print(f"cfgHome_async in axis{axis}, status: {err}")
 85
 86        err = await dev.Motion_cfgAxisMove_async(port, axis, rel_posi_mode, target_posi=-5000, velo=10000, accel=100000, decel=100000)
 87        print(f"cfgAxisMove_async in axis{axis}, status: {err}")
 88
 89        err = await dev.Motion_rstEncoderPosi_async(port, axis, encoder_posi=0)
 90        print(f"rstEncoderPosi_async in axis{axis}, status: {err}")
 91
 92        ## Servo on
 93        err = await dev.Motion_enableServoOn_async(port, axis)
 94        print(f"enableServoOn_async in axis{axis}, status: {err}")
 95
 96        ## Motion start
 97        err = await dev.Motion_startSingleAxisMove_async(port, axis)
 98        print(f"startSingleAxisMove_async in axis{axis}, status: {err}")
 99
100        move_status = 0
101        while move_status == 0:
102            err = await dev.Motion_overrideAxisPosi_async(port, axis, new_position)
103            # print(f"overrideAxisPosi_async in axis{axis}, status: {err}")
104            move_status = await dev.Motion_getMoveStatus_async(port, axis)
105            logical_posi = await dev.Motion_getLogicalPosi_async(port, axis)
106            encoder_posi = await dev.Motion_getEncoderPosi_async(port, axis)
107            print(f"logical_posi: {logical_posi}, encoder_posi: {encoder_posi}")
108
109        ## Motion stop
110        err = await dev.Motion_stop_async(port, axis, stop_decel)
111        print(f"stop_async in axis{axis}, status: {err}")
112
113        ## Servo off
114        err = await dev.Motion_enableServoOff_async(port, axis)
115        print(f"enableServoOff_async in axis{axis}, status: {err}")
116
117        ## Motion close
118        err = await dev.Motion_close_async(port)
119        print(f"close_async in port {port}, status: {err}")
120    except Exception as err:
121        pywpc.printGenericError(err)
122
123    ## Disconnect device
124    dev.disconnect()
125
126    ## Release device handle
127    dev.close()
128
129    return
130
131def main_for_spyder(*args):
132    if asyncio.get_event_loop().is_running():
133        return asyncio.create_task(main(*args)).result()
134    else:
135        return asyncio.run(main(*args))
136
137if __name__ == '__main__':
138    asyncio.run(main()) ## Use terminal
139    # await main() ## Use Jupyter or IPython(>=7.0)
140    # main_for_spyder() ## Use Spyder