test_storage_erase.py

# This script is licensed under BSD License, see file LICENSE.txt.
#
# (c) TASKING Germany GmbH, 2023
 
import isystem.connect as ic
 
 
winidea_id = ''
 
 
def test_erase():
    connMgr = ic.ConnectionMgr()
    connMgr.connect(ic.CConnectionConfig().instanceId(winidea_id))
 
    ideCtrl = ic.CIDEController(connMgr)
    devName = "ST STM32F4xxxG_1024KB"
    #Erase size equals size on one flash sector for this specific example target "ST STM32F4xxxG_1024KB"
    eraseSize = 0x4000
    optCtrl = ic.COptionController(connMgr, "/iOPEN/Data.UMI.Devices.Devices")
    devIndex = optCtrl.index_of("Name",devName)
    print("Index of the item whose 'Name' attribute has value " + devName + f": {devIndex}")
 
    storageCtrl = ic.CStorageDeviceFactory.makeDevice(connMgr, ic.EStorageDevice_EmbeddedFlashDevice, devIndex)
 
    print(f"Enabling 'allow erase' for device: {devIndex}")
    url = f"/iOPEN/Data.UMI.Devices.Devices[{devIndex}].AllowErase"
    ideCtrl.setOption(url, "True")
 
    print(f"Erasing entire device with index {devIndex}...")
    storageCtrl.erase(ic.IConnectUMI.wProgDevice)
 
    print(f"Erasing first {int(eraseSize)} bytes of a device with index {devIndex}...")
    addUrl = f"/iOPEN/Data.UMI.Devices.Devices[{devIndex}].DeviceAddress"
    add = ideCtrl.getOptionInt(addUrl)
    storageCtrl.erase(ic.IConnectUMI.wProgDevice, add, int(eraseSize))
 
    print(f"Disabling 'allow erase' for device: {devIndex}")
    ideCtrl.setOption(url, "False")
 
 
if __name__ == "__main__":
    test_erase()