fix hid_test.py for hid inout to correctly preceeded with dummy reportID

add note for install hidapi on windows
This commit is contained in:
hathach 2021-08-09 22:57:11 +07:00
parent 88f5c04fe0
commit 312fd5f839
2 changed files with 21 additions and 10 deletions

View File

@ -11,7 +11,10 @@ for dict in hid.enumerate(USB_VID):
if dev:
while True:
# Get input from console and encode to UTF8 for array of chars.
str_out = input("Send text to HID Device : ").encode('utf-8')
# hid generic inout is single report therefore by HIDAPI requirement
# it must be preceeded with 0x00 as dummy reportID
str_out = b'\x00'
str_out += input("Send text to HID Device : ").encode('utf-8')
dev.write(str_out)
str_in = dev.read(64)
print("Received from HID Device:", str_in, '\n')

View File

@ -36,16 +36,24 @@
*
* There are 2 ways to test the sketch
* 1. Using nodejs
* - Install nodejs and npm to your PC
* - Install excellent node-hid (https://github.com/node-hid/node-hid) by
* $ npm install node-hid
* - Run provided hid test script
* $ node hid_test.js
* - Install nodejs and npm to your PC
*
* 2. Using python hidRun
* - Python and `hid` package is required, for installation please follow https://pypi.org/project/hid/
* - Run provided hid test script to send and receive data to this device.
* $ python3 hid_test.py
* - Install excellent node-hid (https://github.com/node-hid/node-hid) by
* $ npm install node-hid
*
* - Run provided hid test script
* $ node hid_test.js
*
* 2. Using python
* - Install `hid` package (https://pypi.org/project/hid/) by
* $ pip install hid
*
* - hid package replies on hidapi (https://github.com/libusb/hidapi) for backend,
* which already available in Linux. However on windows, you may need to download its dlls from their release page and
* copy it over to folder where python is installed.
*
* - Run provided hid test script to send and receive data to this device.
* $ python3 hid_test.py
*/
//--------------------------------------------------------------------+