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cleaned up repo, trying out RPI interrupt

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This commit is contained in:
dekunukem
2021-12-03 13:33:28 +00:00
parent ee8aedf860
commit 954ecb7613
175 changed files with 58 additions and 86455 deletions
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16
user_program/old/u2p2_gpio_interrupt_callback.py Normal file
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@@ -0,0 +1,16 @@
import time
import sys
import RPi.GPIO as GPIO
BUTTON_GPIO = 16
def button_pressed_callback(channel):
print(time.time(), "Button pressed!")
GPIO.setmode(GPIO.BCM)
GPIO.setup(BUTTON_GPIO, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(BUTTON_GPIO, GPIO.FALLING, callback=button_pressed_callback, bouncetime=100)
while 1:
time.sleep(1)

15
user_program/old/u2p2_gpio_interrupt_inline.py Normal file
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@@ -0,0 +1,15 @@
import time
import sys
import RPi.GPIO as GPIO
SLAVE_REQ_PIN = 16
GPIO.setmode(GPIO.BCM)
GPIO.setup(SLAVE_REQ_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(SLAVE_REQ_PIN, GPIO.FALLING, bouncetime=100)
while 1:
time.sleep(0.1)
if GPIO.event_detected(SLAVE_REQ_PIN):
print(time.time(), "Button pressed!")

71
user_program/u2p2_main.py
View File

@@ -1,9 +1,10 @@
import os
import sys
import time
import select
import spidev
import threading
import RPi.GPIO as GPIO
"""
sudo apt install stm32flash
@@ -12,40 +13,23 @@ git clone https://git.code.sf.net/p/stm32flash/code stm32flash-code
cd stm32flash-code
sudo make install
HAVE TO ACTIVATE BOOT0 THE WHOLE TIME
HAVE TO ASSERT BOOT0 THE WHOLE TIME
/usr/local/bin/stm32flash -r hhh -a 0x3b /dev/i2c-1
"""
spi = None
gpio_file = None
spi = spidev.SpiDev(0, 0) # rasp
print("I'm on Raspberry Pi!")
os.system("echo 16 > /sys/class/gpio/export")
os.system("echo in > /sys/class/gpio/gpio16/direction")
os.system("echo rising > /sys/class/gpio/gpio16/edge")
gpio_file = open("/sys/class/gpio/gpio16/value", 'rb')
print("GPIO init done")
SLAVE_REQ_PIN = 16
GPIO.setmode(GPIO.BCM)
GPIO.setup(SLAVE_REQ_PIN, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.add_event_detect(SLAVE_REQ_PIN, GPIO.RISING)
spi.max_speed_hz = 2000000
pcard_spi = spidev.SpiDev(0, 0)
pcard_spi.max_speed_hz = 2000000
keyboard_opened_device_dict = {}
mouse_opened_device_dict = {}
gamepad_opened_device_dict = {}
epoll = select.epoll()
epoll.register(gpio_file, select.EPOLLET)
"""
def send kb
def send mouse
def send js
read data first, if exception, skip it
"""
"""
https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/input-event-codes.h#L38
@@ -123,13 +107,14 @@ def raw_input_event_worker():
keyboard_opened_device_dict[key][0].close()
del keyboard_opened_device_dict[key]
print("keyboard disappeared:", key)
continue
if data is None:
continue
data = list(data[8:])
if data[0] == EV_KEY:
to_transfer = keyboard_spi_msg_header + data + [0]*20
to_transfer[3] = keyboard_opened_device_dict[key][1]
spi.xfer(to_transfer)
pcard_spi.xfer(to_transfer)
for key in list(mouse_opened_device_dict):
try:
@@ -138,6 +123,7 @@ def raw_input_event_worker():
mouse_opened_device_dict[key][0].close()
del mouse_opened_device_dict[key]
print("mouse disappeared:", key)
continue
if data is None:
continue
data = list(data[8:])
@@ -155,7 +141,7 @@ def raw_input_event_worker():
to_transfer[10:13] = data[2:5]
to_transfer[13:18] = mouse_button_state_list[:]
to_transfer[3] = mouse_opened_device_dict[key][1]
spi.xfer(to_transfer)
pcard_spi.xfer(to_transfer)
if data[0] == EV_SYN and data[2] == SYN_REPORT and len(mouse_spi_packet_dict) > 0:
to_transfer = list(mouse_spi_msg_template)
@@ -168,18 +154,16 @@ def raw_input_event_worker():
to_transfer[13:18] = mouse_button_state_list[:]
to_transfer[3] = mouse_opened_device_dict[key][1]
mouse_spi_packet_dict.clear()
spi.xfer(to_transfer)
pcard_spi.xfer(to_transfer)
events = epoll.poll(timeout=0)
for df, event_type in events:
if 0x8 & event_type:
slave_result = None
for x in range(2):
slave_result = spi.xfer(make_spi_msg_ack())
print(slave_result)
if slave_result[SPI_BUF_INDEX_MAGIC] == SPI_MISO_MAGIC and slave_result[SPI_BUF_INDEX_MSG_TYPE] == SPI_MISO_MSG_KB_LED_REQ:
change_kb_led(slave_result[3])
change_kb_led(slave_result[3])
if GPIO.event_detected(SLAVE_REQ_PIN):
slave_result = None
for x in range(2):
slave_result = pcard_spi.xfer(make_spi_msg_ack())
print(slave_result)
if slave_result[SPI_BUF_INDEX_MAGIC] == SPI_MISO_MAGIC and slave_result[SPI_BUF_INDEX_MSG_TYPE] == SPI_MISO_MSG_KB_LED_REQ:
change_kb_led(slave_result[3])
change_kb_led(slave_result[3])
raw_input_event_parser_thread = threading.Thread(target=raw_input_event_worker, daemon=True)
raw_input_event_parser_thread.start()
@@ -187,17 +171,18 @@ raw_input_event_parser_thread.start()
input_device_path = '/dev/input/by-path/'
while 1:
time.sleep(0.75)
try:
device_file_list = os.listdir(input_device_path)
except FileNotFoundError:
print("No input devices found")
continue
except Exception as e:
print('list input device exception:', e)
time.sleep(0.75)
continue
mouse_list = [os.path.join(input_device_path, x) for x in device_file_list if 'event-mouse' in x]
keyboard_list = [os.path.join(input_device_path, x) for x in device_file_list if 'event-kbd' in x]
gamepad_list = [os.path.join(input_device_path, x) for x in device_file_list if 'event-joystick' in x]
# print(mouse_list)
# print(keyboard_list)
for item in keyboard_list:
if item not in keyboard_opened_device_dict:
@@ -229,6 +214,4 @@ while 1:
print("opened mouse", mouse_opened_device_dict[item][1], ':' , item)
except Exception as e:
print("mouse open exception:", e)
continue
time.sleep(0.75)
continue