Shift address 1 bit to the left to support 7-bit addressing

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

diff --git a/src/adafruit_blinka/microcontroller/nova/i2c.py b/src/adafruit_blinka/microcontroller/nova/i2c.py
index f5ee718edaca00682ff64c25d08ae129189e88c0..7effcb81819bda8c9f11f613265a27b834e5c764 100644 (file)
--- a/src/adafruit_blinka/microcontroller/nova/i2c.py
+++ b/src/adafruit_blinka/microcontroller/nova/i2c.py
@@ -26,7 +26,7 @@ class I2C:
 
         end = end if end else len(buffer)
 
 
         end = end if end else len(buffer)
 

-        self._nova.startI2C(0, address)
+        self._nova.startI2C(0, address<<1)

 
         for i in range(start, end): 
             self._nova.writeByteI2C(0, buffer[i])
 
         for i in range(start, end): 
             self._nova.writeByteI2C(0, buffer[i])


@@ -40,11 +40,15 @@ class I2C:
 
         end = end if end else len(buffer)
 
 
         end = end if end else len(buffer)
 

-        result = self._nova.readBytesI2C(0, address, len(buffer[start:end]))
-        resp = result.split(" ")
+        result = self._nova.readBytesI2C(0, address<<1, len(buffer[start:end]))
+
+        if result != "-NG":
+            resp = result.split(" ")

 
 

-        for i in range(len(buffer[start:end])):
-            buffer[start+i] = resp[2+i]
+            for i in range(len(buffer[start:end])):
+                buffer[start+i] = int(resp[2+i])
+        else:
+            raise RuntimeError("Received error response from Binho Nova, result = " + result)

 
     def writeto_then_readfrom(self, address, buffer_out, buffer_in, *,
                               out_start=0, out_end=None,
 
     def writeto_then_readfrom(self, address, buffer_out, buffer_in, *,
                               out_start=0, out_end=None,


@@ -60,8 +64,12 @@ class I2C:
 
         self._nova.endI2C(0, True)
 
 
         self._nova.endI2C(0, True)
 

-        result = self._nova.readBytesI2C(0, address, len(buffer_in[in_start:in_end]))
-        resp = result.split(" ")
+        result = self._nova.readBytesI2C(0, address<<1, len(buffer_in[in_start:in_end]))

 
 

-        for i in range(len(buffer_in[in_start:in_end])):
-            buffer_in[in_start+i] = resp[2+i]
+        if result != "-NG":
+            resp = result.split(" ")
+
+            for i in range(len(buffer_in[in_start:in_end])):
+                buffer_in[in_start+i] = int(resp[2+i])
+        else:
+            raise RuntimeError("Received error response from Binho Nova, result = " + result)
\ No newline at end of file