Chapter 10 follow behaviors

ch-10/3-wall-follow/robot_wifi.py

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+import board
+import busio
+from digitalio import DigitalInOut
+from adafruit_esp32spi import adafruit_esp32spi
+from adafruit_esp32spi import adafruit_esp32spi_wifimanager
+
+try:
+ from secrets import secrets
+except ImportError:
+ print("WiFi secrets are kept in secrets.py, please add them there!")
+ raise
+
+
+def connect_to_wifi():
+  esp32_cs = DigitalInOut(board.GP10)
+  esp32_ready = DigitalInOut(board.GP9)
+  esp32_reset = DigitalInOut(board.GP8)
+
+  spi = busio.SPI(board.GP14, MOSI=board.GP11, MISO=board.GP12)
+  esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
+  esp.reset()
+  wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets)
+  wifi.connect()
+
+  return wifi, esp