updates for pyftdi

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / ft232h / i2c.py

diff --git a/src/adafruit_blinka/microcontroller/ft232h/i2c.py b/src/adafruit_blinka/microcontroller/ft232h/i2c.py
index fd2d30c810b7b2116c16be2002d42937c22579b4..7f733c15f669001dd80ce743ec2ce76273d53d2c 100644 (file)
--- a/src/adafruit_blinka/microcontroller/ft232h/i2c.py
+++ b/src/adafruit_blinka/microcontroller/ft232h/i2c.py
@@ -2,11 +2,11 @@ from adafruit_blinka.microcontroller.ft232h.pin import Pin
 
 class I2C:
 
 
 class I2C:
 

-    def __init__(self):
+    def __init__(self, *, frequency=400000):

         # change GPIO controller to I2C
         from pyftdi.i2c import I2cController
         self._i2c = I2cController()
         # change GPIO controller to I2C
         from pyftdi.i2c import I2cController
         self._i2c = I2cController()

-        self._i2c.configure('ftdi:///1')
+        self._i2c.configure('ftdi:///1', frequency=frequency)

         Pin.ft232h_gpio = self._i2c.get_gpio()
 
     def scan(self):
         Pin.ft232h_gpio = self._i2c.get_gpio()
 
     def scan(self):


@@ -32,6 +32,6 @@ class I2C:
         port = self._i2c.get_port(address)
         result = port.exchange(buffer_out[out_start:out_end],
                                in_end-in_start,
         port = self._i2c.get_port(address)
         result = port.exchange(buffer_out[out_start:out_end],
                                in_end-in_start,

-                               relax=True).tobytes()
+                               relax=True)

         for i, b in enumerate(result):
             buffer_in[in_start+i] = b
         for i, b in enumerate(result):
             buffer_in[in_start+i] = b