This commit is contained in:
server 2021-06-01 13:01:37 +01:00
parent 13533b47fe
commit 44b45f4318
4 changed files with 166 additions and 4 deletions

19
camera_control.py Normal file
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@ -0,0 +1,19 @@
import cv2
cap = cv2.VideoCapture(0)
# Check if the webcam is opened correctly
if not cap.isOpened():
raise IOError("Cannot open webcam")
while True:
ret, frame = cap.read()
frame = cv2.resize(frame, None, fx=0.5, fy=0.5, interpolation=cv2.INTER_AREA)
cv2.imshow('Input', frame)
c = cv2.waitKey(1)
if c == 27: #Esc
break
cap.release()
cv2.destroyAllWindows()

26
latency.py Normal file
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import time
from pygame_control import Odrive
drive = Odrive()
print()
print('sending drive in 1 sec')
time.sleep(1)
print('NOW')
drive.goto(0.09, 3.255)
print('5...')
time.sleep(1)
print('4...')
time.sleep(1)
print('3...')
time.sleep(1)
print('2...')
time.sleep(1)
print('1...')
time.sleep(1)
# for i in range(50):
print('@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@')
drive.goto(-0.8, 2.29)
time.sleep(1)
drive.set_idle()

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@ -40,10 +40,10 @@ class Odrive:
class Server:
def __init__(self) -> None:
self.armed = False
self.x_offset = 0 #TODO: figure out what these are...
self.x_multiplier = 1 #TODO: figure out what these are...
self.y_offset = 0 #TODO: figure out what these are...
self.y_multiplier = 1 #TODO: figure out what these are...
self.x_offset = 0
self.x_multiplier = -98/10 # NOTE: Remove the /10
self.y_offset = 0
self.y_multiplier = 85/10 # NOTE: Remove the /10
self.sock = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
self.udp_host = socket.gethostname()
self.udp_port = 59200

117
scaled_pygame_control.py Normal file
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import pygame
import odrive
from odrive.enums import *
import time
class Odrive:
def __init__(self) -> None:
self.drive = odrive.find_any()
time.sleep(1)
self.set_zero()
self.set_closed_loop()
def set_zero(self):
self.drive.axis0.encoder.set_linear_count(0)
self.drive.axis1.encoder.set_linear_count(0)
self.drive.axis0.controller.config.input_mode = 1
self.drive.axis1.controller.config.input_mode = 1
self.drive.axis0.controller.config.input_filter_bandwidth = 30
self.drive.axis1.controller.config.input_filter_bandwidth = 30
self.drive.axis0.motor.config.current_lim = 65
self.drive.axis1.motor.config.current_lim = 65
self.drive.axis0.motor.config.current_lim_margin = 30
self.drive.axis1.motor.config.current_lim_margin = 30
def set_idle(self):
self.drive.axis0.requested_state = AXIS_STATE_IDLE
self.drive.axis1.requested_state = AXIS_STATE_IDLE
def set_closed_loop(self):
self.drive.axis0.requested_state = AXIS_STATE_CLOSED_LOOP_CONTROL
self.drive.axis1.requested_state = AXIS_STATE_CLOSED_LOOP_CONTROL
time.sleep(1)
def goto(self, mot_0, mot_1):
self.drive.axis0.controller.input_pos = mot_0
self.drive.axis1.controller.input_pos = mot_1
class Controller:
def __init__(self) -> None:
self.drive = Odrive()
pygame.init()
pygame.font.init()
self.font_name = pygame.font.get_default_font()
self.font = pygame.font.Font(self.font_name, 20)
self.window = pygame.display.set_mode((500, 500))
pygame.display.set_caption("RAH Visual Controller V0.1")
self.run = True
self.armed = False
self.prev_x = 0
self.prev_y = 0
self.a0 = 0
self.a1 = 0
self.x_offset = 0 #TODO: figure out what these are...
self.x_multiplier = -98
self.y_offset = 0 #TODO: figure out what these are...
self.y_multiplier = 85
def calculate_angles(self, target_pos_x, target_pos_y) -> float:
x = (target_pos_x + self.x_offset) * self.x_multiplier
y = (target_pos_y + self.y_offset) * self.y_multiplier
pi = 3.142
pulley_diameter = 10.0 # cm
distance_per_revolution = pi * pulley_diameter
target_angle_0 = (y / distance_per_revolution) - (x / distance_per_revolution)
target_angle_1 = (y / distance_per_revolution) + (x / distance_per_revolution)
return target_angle_0, target_angle_1
def start(self):
while self.run:
pygame.time.delay(20)
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.run = False
mouse_x, mouse_y = pygame.mouse.get_pos()
keys = pygame.key.get_pressed()
if keys[pygame.K_SPACE]:
self.armed = True
self.window.fill((64, 0, 0))
idkwhatthisis_2 = self.font.render(f"Armed: {self.armed}", True, (255, 0, 0))
self.prev_x = mouse_x
self.prev_y = mouse_y
else:
self.armed = False
self.window.fill((10, 10, 10))
pygame.draw.circle(self.window, (255, 0, 0), (self.prev_x, self.prev_y), (20))
idkwhatthisis_2 = self.font.render(f"Armed: {self.armed}", True, (200, 200, 200))
pygame.draw.circle(self.window, (255, 0, 0), (mouse_x, mouse_y), (20))
pygame.draw.rect(self.window, (0, 255, 0), (mouse_x, 0, 1, 800))
pygame.draw.rect(self.window, (0, 128, 255), (0, mouse_y, 500, 1))
idkwhatthisis = self.font.render(f"X: {mouse_x} | Y: {mouse_y}", True, (255, 255, 255))
idkwhatthisis_3 = self.font.render(f"X: {mouse_x/500} | Y: {(mouse_y)/500}", True, (255, 255, 255))
idkwhatthisis_4 = self.font.render(f"M0: {self.a0:.3f} | M1: {self.a1:.3f}", True, (255, 255, 255))
self.window.blit(idkwhatthisis, (0, 0))
self.window.blit(idkwhatthisis_2, (0, 450))
self.window.blit(idkwhatthisis_3, (150, 0))
self.window.blit(idkwhatthisis_4, (200, 450))
pygame.display.update()
if self.armed:
self.a0, self.a1 = self.calculate_angles(mouse_x/500, mouse_y/500)
self.drive.goto(self.a0, self.a1)
self.drive.set_idle()
pygame.font.quit()
pygame.quit()
if __name__ == "__main__":
c = Controller()
c.start()