- def decode(self, ss, es, data):
-
- cmd, databyte, ack_bit = data
-
- if cmd == 'START': # TODO: Handle 'Sr' here, too?
- self.state = START
-
- elif cmd == 'START REPEAT':
- pass # FIXME
-
- elif cmd == 'ADDRESS READ':
- # TODO: Error/Warning, not supported, I think.
- pass
-
- elif cmd == 'ADDRESS WRITE':
- # The Wii Nunchuk always has slave address 0x54.
- # TODO: Handle this stuff more correctly.
- if databyte == 0x54:
- pass # TODO
- else:
- pass # TODO: What to do here? Ignore? Error?
-
- elif cmd == 'DATA READ' and self.state == INITIALIZED:
- if self.databytecount == 0:
- self.sx = databyte
- elif self.databytecount == 1:
- self.sy = databyte
- elif self.databytecount == 2:
- self.ax = databyte << 2
- elif self.databytecount == 3:
- self.ay = databyte << 2
- elif self.databytecount == 4:
- self.az = databyte << 2
- elif self.databytecount == 5:
- self.bz = (databyte & (1 << 0)) >> 0
- self.bc = (databyte & (1 << 1)) >> 1
- self.ax |= (databyte & (3 << 2)) >> 2
- self.ay |= (databyte & (3 << 4)) >> 4
- self.az |= (databyte & (3 << 6)) >> 6
-
- d = 'sx = 0x%02x, sy = 0x%02x, ax = 0x%02x, ay = 0x%02x, ' \
- 'az = 0x%02x, bz = 0x%02x, bc = 0x%02x' % (self.sx, \
- self.sy, self.ax, self.ay, self.az, self.bz, self.bc)
- self.put(ss, es, self.out_ann, [0, [d]])
-
- self.sx = self.sy = self.ax = self.ay = self.az = 0
- self.bz = self.bc = 0
- else:
- pass # TODO
-
- if 0 <= self.databytecount <= 5:
- self.databytecount += 1
-
- # TODO: If 6 bytes read -> save and reset
+ def putx(self, data):
+ # Helper for annotations which span exactly one I2C packet.
+ self.put(self.ss, self.es, self.out_ann, data)
+
+ def handle_reg_0x00(self, databyte):
+ self.sx = databyte
+ self.putx([0, ['Analog stick X position: 0x%02x' % self.sx]])
+ self.putx([1, ['SX: 0x%02x' % self.sx]])
+
+ def handle_reg_0x01(self, databyte):
+ self.sy = databyte
+ self.putx([0, ['Analog stick Y position: 0x%02x' % self.sy]])
+ self.putx([1, ['SY: 0x%02x' % self.sy]])
+
+ def handle_reg_0x02(self, databyte):
+ self.ax = databyte << 2
+ self.putx([0, ['Accelerometer X value bits[9:2]: 0x%03x' % self.ax]])
+ self.putx([1, ['AX[9:2]: 0x%03x' % self.ax]])
+
+ def handle_reg_0x03(self, databyte):
+ self.ay = databyte << 2
+ self.putx([0, ['Accelerometer Y value bits[9:2]: 0x%03x' % self.ay]])
+ self.putx([1, ['AY[9:2]: 0x%x' % self.ay]])
+
+ def handle_reg_0x04(self, databyte):
+ self.az = databyte << 2
+ self.putx([0, ['Accelerometer Z value bits[9:2]: 0x%03x' % self.az]])
+ self.putx([1, ['AZ[9:2]: 0x%x' % self.az]])
+
+ # TODO: Bit-exact annotations.
+ def handle_reg_0x05(self, databyte):
+ self.bz = (databyte & (1 << 0)) >> 0 # Bits[0:0]
+ self.bc = (databyte & (1 << 1)) >> 1 # Bits[1:1]
+ ax_rest = (databyte & (3 << 2)) >> 2 # Bits[3:2]
+ ay_rest = (databyte & (3 << 4)) >> 4 # Bits[5:4]
+ az_rest = (databyte & (3 << 6)) >> 6 # Bits[7:6]
+ self.ax |= ax_rest
+ self.ay |= ay_rest
+ self.az |= az_rest
+
+ s = '' if (self.bz == 0) else 'not '
+ self.putx([0, ['Z button: %spressed' % s]])
+ self.putx([1, ['BZ: %d' % self.bz]])
+
+ s = '' if (self.bc == 0) else 'not '
+ self.putx([0, ['C button: %spressed' % s]])
+ self.putx([1, ['BC: %d' % self.bc]])
+
+ self.putx([0, ['Accelerometer X value bits[1:0]: 0x%x' % ax_rest]])
+ self.putx([1, ['AX[1:0]: 0x%x' % ax_rest]])
+
+ self.putx([0, ['Accelerometer Y value bits[1:0]: 0x%x' % ay_rest]])
+ self.putx([1, ['AY[1:0]: 0x%x' % ay_rest]])
+
+ self.putx([0, ['Accelerometer Z value bits[1:0]: 0x%x' % az_rest]])
+ self.putx([1, ['AZ[1:0]: 0x%x' % az_rest]])
+
+ def output_full_block_if_possible(self):
+ # For now, only output summary annotation if all values are available.
+ t = (self.sx, self.sy, self.ax, self.ay, self.az, self.bz, self.bc)
+ if -1 in t:
+ return