[Add] First commit

2023-03-05 23:38:38 +08:00
commit d3d0304125
109 changed files with 4507 additions and 0 deletions
--- a/Pioneer600_code/PCF8574/python/pcf8574.py
+++ b/Pioneer600_code/PCF8574/python/pcf8574.py
@ -0,0 +1,42 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import smbus
+import time
+
+address = 0x20
+
+def beep_on():
+	bus.write_byte(address,0x7F&bus.read_byte(address))
+def beep_off():
+	bus.write_byte(address,0x80|bus.read_byte(address))
+def led_off():
+	bus.write_byte(address,0x10|bus.read_byte(address))
+def led_on():
+	bus.write_byte(address,0xEF&bus.read_byte(address))
+
+bus = smbus.SMBus(1)
+print("PCF8574 Test Program !!!")
+while True:
+	bus.write_byte(address,0x0F|bus.read_byte(address))
+	value = bus.read_byte(address) | 0xF0
+	if value != 0xFF:
+		led_on()
+		beep_on()
+		if (value | 0xFE) != 0xFF:
+			print("left")
+		elif (value | 0xFD) != 0xFF:
+			print("up")
+		elif (value | 0xFB) != 0xFF:
+			print("dowm")
+		else :
+			print("right")
+		while value != 0xFF:
+			bus.write_byte(address,0x0F|bus.read_byte(address))
+			value = bus.read_byte(address) | 0xF0
+			time.sleep(0.01)
+		beep_off()
+		led_off()
+	time.sleep(0.1)
+
+