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-rw-r--r--decoders/nunchuk/nunchuk.py27
1 files changed, 18 insertions, 9 deletions
diff --git a/decoders/nunchuk/nunchuk.py b/decoders/nunchuk/nunchuk.py
index b274f4a..8472a3d 100644
--- a/decoders/nunchuk/nunchuk.py
+++ b/decoders/nunchuk/nunchuk.py
@@ -41,7 +41,7 @@ class Decoder(srd.Decoder):
def __init__(self, **kwargs):
self.state = 'IDLE'
- self.sx = self.sy = self.ax = self.ay = self.az = self.bz = self.bc = 0
+ self.sx = self.sy = self.ax = self.ay = self.az = self.bz = self.bc = -1
self.databytecount = 0
self.reg = 0x00
@@ -109,6 +109,20 @@ class Decoder(srd.Decoder):
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
+
+ # Note: Only works if host reads _all_ regs (0x00 - 0x05).
+ 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(self.block_start_sample, self.block_end_sample,
+ self.out_ann, [0, [d]])
+
def decode(self, ss, es, data):
cmd, databyte = data
@@ -135,15 +149,10 @@ class Decoder(srd.Decoder):
elif cmd == 'STOP':
self.block_end_sample = es
- # TODO: Only works if host reads _all_ regs (0x00 - 0x05).
- 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(self.block_start_sample, self.block_end_sample,
- self.out_ann, [0, [d]])
+ self.output_full_block_if_possible()
- self.sx = self.sy = self.ax = self.ay = self.az = 0
- self.bz = self.bc = 0
+ self.sx = self.sy = self.ax = self.ay = self.az = -1
+ self.bz = self.bc = -1
self.state = 'IDLE'
else: