renamed spi/i2c to generic linux since they're not platform specific

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / raspi_23 / i2c.py

diff --git a/src/adafruit_blinka/microcontroller/raspi_23/i2c.py b/src/adafruit_blinka/microcontroller/raspi_23/i2c.py
deleted file mode 100644 (file)
index e309e9e..0000000
--- a/src/adafruit_blinka/microcontroller/raspi_23/i2c.py
+++ /dev/null
@@ -1,66 +0,0 @@
-import Adafruit_PureIO.smbus as smbus
-import time
-
-class I2C:
-    MASTER = 0
-    SLAVE = 1
-    _baudrate = None
-    _mode = None
-    _i2c_bus = None
-
-    def __init__(self, bus_num, mode=MASTER, baudrate=None):
-        if mode != self.MASTER:
-            raise NotImplementedError("Only I2C Master supported!")
-        _mode = self.MASTER
-
-        #if baudrate != None:
-        #    print("I2C frequency is not settable in python, ignoring!")
-        
-        try:
-            self._i2c_bus = smbus.SMBus(bus_num)
-        except FileNotFoundError:
-            raise RuntimeError("I2C Bus #%d not found, check if enabled in config!" % bus_num)
-
-    def scan(self):
-        """Try to read a byte from each address, if you get an OSError it means the device isnt there"""
-        found = []
-        for addr in range(0,0x80):
-            try:
-                self._i2c_bus.read_byte(addr)
-            except OSError:
-                continue
-            found.append(addr)
-        return found
-
-    def writeto(self, address, buffer, *, start=0, end=None, stop=True):
-        if end is None:
-            end = len(buffer)
-        self._i2c_bus.write_bytes(address, buffer[start:end])
-
-    def readfrom_into(self, address, buffer, *, start=0, end=None, stop=True):
-        if end is None:
-            end = len(buffer)
-        
-        readin = self._i2c_bus.read_bytes(address, end-start)
-        for i in range(end-start):
-            buffer[i+start] = readin[i]
-
-    def writeto_then_readfrom(self, address, buffer_out, buffer_in, *,
-                       out_start=0, out_end=None,
-                       in_start=0, in_end=None, stop=False):
-        if out_end is None:
-            out_end = len(buffer_out)        
-        if in_end is None:
-            in_end = len(buffer_in)
-        if stop:
-            # To generate a stop in linux, do in two transactions
-            self.writeto(address, buffer_out, start=out_start, end=out_end, stop=True)
-            self.readfrom_into(address, buffer_in, start=in_start, end=in_end)
-        else:
-            # To generate without a stop, do in one block transaction
-            if out_end-out_start != 1:
-                raise NotImplementedError("Currently can only write a single byte in writeto_then_readfrom")
-            readin = self._i2c_bus.read_i2c_block_data(address, buffer_out[out_start:out_end][0], in_end-in_start)
-            for i in range(in_end-in_start):
-                buffer_in[i+in_start] = readin[i]
-