specify data type of array data

[vstadnytskyi-FDA]

I have a PV that consists of unsigned integer 8. But when I create a PV with pcaspy and read it my data with a client, I get float 64.

[xiaoqiangwang]

unsigned integer 8 is configured by 'char' type.

'PV': {
  ...
  'type' : 'char',
  ...
}