test_storage_emmc_read_write.py

# This script is licensed under BSD License, see file LICENSE.txt.
#
# (c) TASKING Germany GmbH, 2023
 
import os
 
import isystem.connect as ic
 
 
winidea_id = ''
 
 
def test_readWrite():
    connMgr = ic.ConnectionMgr()
    connMgr.connect(ic.CConnectionConfig().instanceId(winidea_id))
 
    devName = "eMMCtest"
    partitionName = "Boot1"
 
    storageCtrl = ic.CStorageDeviceFactory.makeDevice(connMgr, ic.EStorageDevice_EMMCDevice, devName, partitionName)
 
    print(f"Writing 8 bytes to partition {partitionName}...")
    wData = ic.VectorBYTE(32)
    # dummy data, values from 0 to 31
    for index in range(32):
        wData[index] = index
    storageCtrl.write(ic.IConnectUMI.wProgDevice, 0x0, 8, wData)
 
    ic.CStorageDeviceFactory.terminateDevice(connMgr, ic.EStorageDevice_EMMCDevice, devName)
 
    # OR
 
    filePath = os.path.join(os.getcwd(), "data.bin")
    print(f"Alternatively, write data from file: {filePath}")
    try:
        with open(filePath, "w+b") as fHandler:
            fHandler.write(bytes("0123456789876543210", "utf-8"))
        storageCtrl.write(ic.IConnectUMI.wProgDevice, ic.IConnectUMI.wFileFormatAuto, 0x0, filePath)
    finally:
        os.remove(filePath)  # file cleanup
 
    ic.CStorageDeviceFactory.terminateDevice(connMgr, ic.EStorageDevice_EMMCDevice, devName)
 
 
if __name__ == "__main__":
    test_readWrite()