Drive position blending

  1'''
  2Drive - Drive_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.EDriveST()
 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        position = -80000
 41        position1 = 80000
 42        position2 = -80000
 43        speed = 50000
 44        acceleration = 10000
 45        deceleration = 10000
 46        mode = 1 ## 0: absolute, 1: relative.
 47        active_high = 1
 48        en_forward = 1
 49        en_reverse = 1
 50
 51        ## Get firmware model & version
 52        driver_info = await dev.Sys_getDriverInfo_async()
 53        print("Model name: " + driver_info[0])
 54        print("Firmware version: " + driver_info[-1])
 55
 56        ## Motion open
 57        err = await dev.Motion_open_async(port)
 58        print(f"Motion_open, status: {err}")
 59
 60        ## Motion configure
 61        err = await dev.Motion_cfgLimit_async(port, en_forward, en_reverse, active_high)
 62        print(f"Motion_cfgLimit, status: {err}")
 63
 64        ## Motion reset
 65        err = await dev.Motion_rstEncoderPosi_async(port)
 66        print(f"Motion_resetEncoder, status: {err}")
 67
 68        ## Motion Servo on
 69        err = await dev.Motion_enableServoOn_async(port)
 70        print(f"Motion_enableServoOn, status: {err}")
 71
 72        ## Motion start
 73        err = await dev.Motion_startPositionMove_async(port, position, speed, acceleration, deceleration, mode)
 74        print(f"Motion_startPositionMove, status: {err}")
 75
 76        status = 1
 77        while status != 0 :
 78            status = await dev.Motion_getProcessState_async(port)
 79            if(status == 0):
 80                print(f"Motion_getProcessState: {status}")
 81
 82        ## Motion start
 83        err = await dev.Motion_startPositionMove_async(port, position1, speed, acceleration, deceleration, mode)
 84        print(f"Motion_startPositionMove, status: {err}")
 85
 86        status = 1
 87        while status != 0 :
 88            status = await dev.Motion_getProcessState_async(port)
 89            if(status == 0):
 90                print(f"Motion_getProcessState: {status}")
 91
 92        ## Motion start
 93        err = await dev.Motion_startPositionMove_async(port, position2, speed, acceleration, deceleration, mode)
 94        print(f"Motion_startPositionMove, status: {err}")
 95
 96        status = 1
 97        while status != 0 :
 98            status = await dev.Motion_getProcessState_async(port)
 99            if(status == 0):
100                print(f"Motion_getProcessState: {status}")
101
102    except Exception as err:
103        pywpc.printGenericError(err)
104    except KeyboardInterrupt:
105        print("Press keyboard")
106    finally:
107        ## Motion stop
108        err = await dev.Motion_stopProcess_async(port)
109        print(f"Motion_stopProcess, status: {err}")
110
111        ## Motion Servo off
112        err = await dev.Motion_enableServoOff_async(port)
113        print(f"Motion_enableServoOff, status: {err}")
114
115        ## Motion close
116        err = await dev.Motion_close_async(port)
117        print(f"Motion_close, status: {err}")
118
119    ## Disconnect device
120    dev.disconnect()
121
122    ## Release device handle
123    dev.close()
124
125def main_for_spyder(*args):
126    if asyncio.get_event_loop().is_running():
127        return asyncio.create_task(main(*args)).result()
128    else:
129        return asyncio.run(main(*args))
130
131if __name__ == '__main__':
132    asyncio.run(main()) ## Use terminal
133    # await main() ## Use Jupyter or IPython(>=7.0)
134    # main_for_spyder() ## Use Spyder