begin_memory_edit (::quartus::insystem_memory_edit)
The following table displays information for the begin_memory_edit Tcl command:
Tcl Package and Version |
Belongs to ::quartus::insystem_memory_edit 1.0 |
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Syntax | begin_memory_edit [-h | -help] [-long_help] -device_name <device name> -hardware_name <hardware name> | |||
Arguments | -h | -help | Short help | ||
-long_help | Long help with examples and possible return values | |||
-device_name <device name> | Name of the device that holds the editable memory instances | |||
-hardware_name <hardware name> | Name of the hardware that connects to the JTAG chain | |||
Description |
Start the memory editing sequence. The editing sequence should be terminated with end_memory_edit. The sequence does not have to be terminated unless the device configuration is changed or a different device is edited. The hardware and device name can be obtained with the get_hardware_names and get_device_names commands from the jtag package. |
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Example Usage |
# Instance 0 is configured as {0 1024 8 RW ROM/RAM mem0} # Initiate a editing sequence begin_memory_edit -hardware_name "USB-Blaster \[USB-0\]" -device_name "@1: EP1S25/_HARDCOPY_FPGA_PROTOTYPE (0x020030DD)" # Write memory content using binary string write_content_to_memory -instance_index 0 -start_address 575 -word_count 2 -content "0000001011011100" # Read back memory content in binary string written puts [read_content_from_memory -instance_index 0 -start_address 575 -word_count 2 ] # Write memory content using hexadecimal string write_content_to_memory -instance_index 0 -start_address 575 -word_count 2 -content "E2F1" -content_in_hex # Read back memory content in hexadecimal string written puts [read_content_from_memory -instance_index 0 -start_address 575 -word_count 2 -content_in_hex] # End the editing sequence end_memory_edit |
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Return Value | Code Name | Code | String Return | |
TCL_OK | 0 | INFO: Operation successful | ||
TCL_ERROR | 1 | ERROR: The specified device is not found. | ||
TCL_ERROR | 1 | ERROR: A memory edit sequence has been started. End it first before starting a another one. | ||
TCL_ERROR | 1 | ERROR: The specified hardware is not found. |