done.

SI1145.py

@@ -22,10 +22,12 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-import logging
+#import logging
 import time
+from translate_layer import I2C_Device
+
+#import Adafruit_GPIO.I2C as I2C
 
-import Adafruit_GPIO.I2C as I2C
 
 # COMMANDS
 SI1145_PARAM_QUERY                      = 0x80
@@ -152,12 +154,10 @@ SI1145_REG_CHIPSTAT                     = 0x30
 SI1145_ADDR                             = 0x60
 
 class SI1145(object):
-        def __init__(self, address=SI1145_ADDR, busnum=I2C.get_default_bus()):
-
-                self._logger = logging.getLogger('SI1145')
+        def __init__(self, i2cbus, address=SI1145_ADDR):
 
                 # Create I2C device.
-                self._device = I2C.Device(address, busnum)
+                self._device = I2C_Device(i2cbus, address)
 
                 #reset device
                 self._reset()

boot.py

@@ -1,8 +1,16 @@
 
 import machine
-import SI1145.py
+import time
+import SI1145
 
 i2c = machine.I2C(scl=machine.Pin(27), sda=machine.Pin(26)) 
-i2c_addr = 0x60 # default ADDR for SI1145
 
+s = SI1145.SI1145(i2c)
+
+s.readIR()
+s.readUV()
+s.readVisible()
+
+while True:
+    time.sleep(10)
 

translate_layer.py

@@ -0,0 +1,19 @@
+
+
+class I2C_Device:
+    def __init__(self, i2c_dev, i2c_addr):
+        self._device = i2c_dev
+        self._addr = i2c_addr
+
+    def write8(self, register, data):
+        b = data.to_bytes(1, 'little')
+        self._device.writeto_mem(self._addr, register, b)
+
+    def readU8(self, register):
+        result = self._device.readfrom_mem(self._addr, register, 1)
+        return result[0]
+
+    def readU16LE(self, register):
+        result = self._device.readfrom_mem(self._addr, register, 2)
+        r = int.from_bytes(result, 'little')
+        return r