Chapter 2. API Reference
Workflow
CSV Configuration File
This file contains the configuration of the device to be flashed.
The data in the configuration file has the following format (the REPEAT tag is optional):
name1,namespace, <-- First entry should be of type "namespace"
key1,type1,encoding1
key2,type2,encoding2,REPEAT
name2,namespace,
key3,type3,encoding3
key4,type4,encoding4
Note: The first line in this file should always be the namespace entry.
Each line should have three parameters: key,type,encoding, separated by a comma. If the REPEAT tag is
present, the value corresponding to this key in the master value CSV file will be the same for all devices.
Please refer to README of the NVS Partition Generator utility for detailed description of each parameter.
Below is a sample example of such a configuration file:
app,namespace,
firmware_key,data,hex2bin
serial_no,data,string,REPEAT
device_no,data,i32
Note:
Make sure there are no spaces:
• before and after ‘,’
• at the end of each line in a CSV file
Master Value CSV File
This file contains details of the devices to be flashed. Each line in this file corresponds to a device instance.
The data in the master value CSV file has the following format:
key1,key2,key3,.....
value1,value2,value3,....
Note: The first line in the file should always contain the key names. All the keys from the configuration file should
be present here in the same order. This file can have additional columns (keys). The additional keys will be treated
as metadata and would not be part of the final binary files.
Espressif Systems 701
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