servo/controller/fw/embed/test/python_send_angle.py

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import can
import struct
import time
# Function to send the target angle
def send_target_angle(bus, target_angle):
msg = can.Message()
msg.arbitration_id = 1 # Message ID
msg.is_extended_id = False
msg.dlc = 5 # Message length
msg.data = [ord('A')] + list(struct.pack('<f', target_angle)) # 'A' for the command identifier, followed by the angle in float format
try:
bus.send(msg)
print(f"Sent message with target angle: {target_angle} degrees")
print(f"Message data: {msg.data}")
except can.CanError:
print("Message failed to send")
def main():
# CAN interface setup
bus = can.interface.Bus(channel='can0', bustype='socketcan', bitrate=1000000) # Ensure the bitrate matches the microcontroller settings
print("CAN bus initialized, sending target angles...")
# Target angle
target_angle = 0.0
# Loop to send messages
while True:
send_target_angle(bus, target_angle)
time.sleep(1) # Delay before sending the next message
if __name__ == '__main__':
main()