test_data_modify.py

# This script is licensed under BSD License, see file LICENSE.txt, or search for `License` in the SDK online help.
# (c) TASKING Germany GmbH, 2023
# 
# This Python script is used to modify a variable (g_int) in real-time, and verifying the modifications. 
 
import isystem.connect as ic
 
 
winidea_id = ''
 
 
def test_modify():
    connMgr = ic.ConnectionMgr()
    connMgr.connect(ic.CConnectionConfig().instanceId(winidea_id))
 
    dataCtrl = ic.CDataController(connMgr)
 
    print(f"Modify variable 'g_int' to value '1'...")
    dataCtrl.modify(ic.IConnectDebug.fRealTime, "g_int", "1", False)
    print(f"Modify variable 'g_int' to value '2', with read-back...")
    value = dataCtrl.modify(ic.IConnectDebug.fRealTime, "g_int", "2", True)
    print(f"\tRead-back value: {value}")
 
    print(f"Optionally, modify variable 'g_int' to value '3' by variable type...")
    sType = ic.SType()
    sType.m_byType = ic.SType.tUnsigned
    sType.m_byBitSize = 32
    cVal = ic.CValueType(sType, 3)
    dataCtrl.modify(ic.IConnectDebug.fRealTime, "g_int", cVal)
 
    print(f"`modify() is also capable of handling expressions...")
 
    # Write the result of the equals operation to g_char so we can read the
    # result of the equals operation
    dataCtrl.modify(ic.IConnectDebug.fRealTime,
                    ic.IConnectDebug.efAllowTernaryOperator,
                    "g_int",
                    "(g_int == g_char) ? 4 : 5")
    value = dataCtrl.evaluate(ic.IConnectDebug.fRealTime, "g_int").getInt()
    print(f"\t`(g_int == g_char)` = {value} (4 == True, 5 == False)")
 
 
if __name__ == "__main__":
    test_modify()