IMAGE_FILE = "/sd/image.jpg" # Full path to file name to save captured image.
# Will overwrite!
# Setup SPI bus (hardware SPI).
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# Setup SD card and mount it in the filesystem.
sd_cs = digitalio.DigitalInOut(SD_CS_PIN)
sdcard = adafruit_sdcard.SDCard(spi, sd_cs)
vfs = storage.VfsFat(sdcard)
storage.mount(vfs, "/sd")
# Create a serial connection for the VC0706 connection, speed is auto-detected.
uart = busio.UART(board.TX, board.RX)
# Setup VC0706 camera
vc0706 = adafruit_vc0706.VC0706(uart)
# Print the version string from the camera.
print("VC0706 version:")
print(vc0706.version)
# Set the baud rate to 115200 for fastest transfer (its the max speed)
vc0706.baudrate = 115200
# Set the image size.
vc0706.image_size = adafruit_vc0706.IMAGE_SIZE_640x480 # Or set IMAGE_SIZE_320x240 or
# IMAGE_SIZE_160x120
# Note you can also read the property and compare against those values to
# see the current size:
size = vc0706.image_size
if size == adafruit_vc0706.IMAGE_SIZE_640x480:
def takeimage():
# Configuration:
SD_CS_PIN = board.D10 # CS for SD card (SD_CS is for Feather Adalogger)
IMAGE_FILE = '/sd/image.jpg' # Full path to file name to save captured image.
# Will overwrite!
# Setup SPI bus (hardware SPI).
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# Setup SD card and mount it in the filesystem.
sd_cs = digitalio.DigitalInOut(SD_CS_PIN)
sdcard = adafruit_sdcard.SDCard(spi, sd_cs)
vfs = storage.VfsFat(sdcard)
storage.mount(vfs, '/sd')
# Create a serial connection for the VC0706 connection, speed is auto-detected.
uart = busio.UART(board.TX, board.RX, timeout=250)
# Setup VC0706 camera
vc0706 = adafruit_vc0706.VC0706(uart)
# Print the version string from the camera.
print('VC0706 version:')
print(vc0706.version)
# Set the baud rate to 115200 for fastest transfer (its the max speed)
vc0706.baudrate = 115200
# Set the image size.
vc0706.image_size = adafruit_vc0706.IMAGE_SIZE_640x480 # Or set IMAGE_SIZE_320x240 or
# IMAGE_SIZE_160x120
# Note you can also read the property and compare against those values to
# see the current size:
# size = vc0706.image_size
# if size == adafruit_vc0706.IMAGE_SIZE_640x480:
# print('Using 640x480 size image.')
# elif size == adafruit_vc0706.IMAGE_SIZE_320x240:
# print('Using 320x240 size image.')
# elif size == adafruit_vc0706.IMAGE_SIZE_160x120:
# print('Using 160x120 size image.')
# Take a picture.
print('Taking a picture in 3 seconds...')
time.sleep(3)
print('SNAP!')
if not vc0706.take_picture():
raise RuntimeError('Failed to take picture!')
# Print size of picture in bytes.
frame_length = vc0706.frame_length
print('Picture size (bytes): {}'.format(frame_length))
# Open a file for writing (overwriting it if necessary).
# This will write 50 bytes at a time using a small buffer.
# You MUST keep the buffer size under 100!
print('Writing image: {}'.format(IMAGE_FILE), end='')
with open(IMAGE_FILE, 'wb') as outfile:
wcount = 0
while frame_length > 0:
# Compute how much data is left to read as the lesser of remaining bytes
# or the copy buffer size (32 bytes at a time). Buffer size MUST be
# a multiple of 4 and under 100. Stick with 32!
to_read = min(frame_length, 32)
copy_buffer = bytearray(to_read)
# Read picture data into the copy buffer.
if vc0706.read_picture_into(copy_buffer) == 0:
raise RuntimeError('Failed to read picture frame data!')
# Write the data to SD card file and decrement remaining bytes.
outfile.write(copy_buffer)
frame_length -= 32
# Print a dot every 2k bytes to show progress.
wcount += 1
if wcount >= 64:
print('.', end='')
wcount = 0
print("")
print('Finished!')
RX_PIN = board.RX # RX pin of board, connected to VC0706 TX
TX_PIN = board.TX # TX pin of board, connected to VC0706 RX
IMAGE_FILE = '/sd/image.jpg' # Full path to file name to save captured image.
# Will overwrite!
# Setup SPI bus (hardware SPI).
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# Setup SD card and mount it in the filesystem.
sd_cs = digitalio.DigitalInOut(SD_CS_PIN)
sdcard = adafruit_sdcard.SDCard(spi, sd_cs)
vfs = storage.VfsFat(sdcard)
storage.mount(vfs, '/sd')
# Setup VC0706.
vc0706 = adafruit_vc0706.VC0706(RX_PIN, TX_PIN)
# Print the version string from the camera.
print('VC0706 version:')
print(vc0706.version)
# Set the image size.
vc0706.image_size = adafruit_vc0706.IMAGE_SIZE_640x480 # Or set IMAGE_SIZE_320x240 or
# IMAGE_SIZE_160x120
# Note you can also read the property and compare against those values to
# see the current size:
size = vc0706.image_size
if size == adafruit_vc0706.IMAGE_SIZE_640x480:
print('Using 640x480 size image.')
elif size == adafruit_vc0706.IMAGE_SIZE_320x240:
print('Using 320x240 size image.')
def __init__(self):
# Set up the camera
uart = busio.UART(board.TX, board.RX, baudrate=BAUD_RATE, timeout=0.25)
self._vc0706 = adafruit_vc0706.VC0706(uart)
self._vc0706.baudrate = BAUD_RATE
self._vc0706.image_size = adafruit_vc0706.IMAGE_SIZE_320x240
def __init__(self):
### Configuration
print('Configuration has begun.')
## I2C setup (Air quality and pressure sensors)
self.i2c_bus = busio.I2C(board.SCL, board.SDA)
self.ccs811 = adafruit_ccs811.CCS811(self.i2c_bus,
Sensors.AIRQ_SENS_ADDRESS)
self.presSensor = adafruit_mpl3115a2.MPL3115A2(
self.i2c_bus, address=Sensors.PRES_SENS_ADDRESS)
self.presSensor.sealevel_pressure = Sensors.SEA_LEVEL_PRES
print('I2C has been configured.')
## Camera setup
print('Configuring the camera.')
# Setup the UART
self.uart = serial.Serial(Sensors.UART_PORT,
baudrate=Sensors.UART_BAUD_RATE,
timeout=Sensors.UART_TIMEOUT)
# Setup VC0706 camera
self.vc0706 = adafruit_vc0706.VC0706(self.uart)
# Print the version string from the camera.
print('VC0706 version:')
print(self.vc0706.version)
# Set the image size.
self.vc0706.image_size = adafruit_vc0706.IMAGE_SIZE_640x480
# Note you can also read the property and compare against those values to see the current size:
imageSize = self.vc0706.image_size
if imageSize == adafruit_vc0706.IMAGE_SIZE_640x480:
print('Using 640x480 size image.')
elif imageSize == adafruit_vc0706.IMAGE_SIZE_320x240:
print('Using 320x240 size image.')
elif imageSize == adafruit_vc0706.IMAGE_SIZE_160x120:
print('Using 160x120 size image.')
print('Camera has been configured.')
## Ultrasonic sensor setup
self.echoPin = gpiozero.DigitalInputDevice(Sensors.ULTRA_ECHO_PIN_NUM)
self.trigPin = gpiozero.DigitalOutputDevice(Sensors.ULTRA_TRIG_PIN_NUM)
self.trigPin.off()
print('Ultrasonic sensor has been configured.')
## Humidity sensor setup
self.humidSensor = Adafruit_DHT.DHT22
self.humidPin = Sensors.HUMID_PIN_NUM
print('Humidity sensor has been configured.')
## SPI setup
# Sets up MCP3202 ADCs
self.solarIrradADC = gpiozero.MCP3202(
channel=0,
differential=True,
select_pin=Sensors.SOLAR_IRRAD_SEL_PIN_NUM)
self.powerOutADC = gpiozero.MCP3202(
channel=0,
differential=True,
select_pin=Sensors.POWER_OUT_SEL_PIN_NUM)
self.surfTempADC0 = gpiozero.MCP3208(channel=0,
differential=False,
select_pin=13)
self.surfTempADC1 = gpiozero.MCP3208(channel=1,
differential=False,
select_pin=13)
self.surfTempADC2 = gpiozero.MCP3208(channel=2,
differential=False,
select_pin=13)
self.surfTempADC3 = gpiozero.MCP3208(channel=3,
differential=False,
select_pin=13)
self.surfTempADC4 = gpiozero.MCP3208(channel=4,
differential=False,
select_pin=13)
self.surfTempADC5 = gpiozero.MCP3208(channel=5,
differential=False,
select_pin=13)
print('SPI ADCs have been configured.')
######### Need code for MCP3208 ADCs
## Wait for the AQ sensor to be ready, then wait another few seconds for things to settle
print('Waiting for sensors to be ready.')
while not self.ccs811.data_ready:
pass
time.sleep(Sensors.INIT_WAIT_TIME)
print('Sensors ready. Real time loop beginning.')
print('------------------------------------------------\n')
