add write-dialog

ble.py

@@ -254,4 +254,9 @@ def handle_attclient_attribute_value(self, sender, args):
       self.handles_to_read.remove(chandle)
     if self.handles_to_read == []: return
     self.send_command(self.ble.ble_cmd_attclient_read_by_handle(handle, self.handles_to_read[0]))
+
+  def write_handle(self, handle, chandle, value):
+    self.send_command(self.ble.ble_cmd_attclient_write_command(handle, chandle, value))
+    time.sleep(0.1)
+    self.send_command(self.ble.ble_cmd_attclient_read_by_handle(handle, chandle))
 

data/texas_instruments.py

@@ -1,3 +1,35 @@
+def ti_print_ir_temp(data):
+  ambient = (data[2] + 256*data[3])/128.0
+  # TODO target temp
+  return "%0.2f" % (ambient)
+
+
+"""
+private double extractTargetTemperature(BluetoothGattCharacteristic c, double ambient) {
+    Integer twoByteValue = shortSignedAtOffset(c, 0);
+	    
+    double Vobj2 = twoByteValue.doubleValue();
+    Vobj2 *= 0.00000015625; 
+	    
+    double Tdie = ambient + 273.15;
+	    
+    double S0 = 5.593E-14;	// Calibration factor
+    double a1 = 1.75E-3;
+    double a2 = -1.678E-5;
+    double b0 = -2.94E-5;
+    double b1 = -5.7E-7;
+    double b2 = 4.63E-9;
+    double c2 = 13.4;
+    double Tref = 298.15;
+    double S = S0*(1+a1*(Tdie - Tref)+a2*pow((Tdie - Tref),2));
+    double Vos = b0 + b1*(Tdie - Tref) + b2*pow((Tdie - Tref),2);
+    double fObj = (Vobj2 - Vos) + c2*pow((Vobj2 - Vos),2);
+    double tObj = pow(pow(Tdie,4) + (fObj/S),.25);
+	    
+    return tObj - 273.15;
+}
+"""
+
 service = dict(
   ti_st_1 = ([0xF0, 0x00, 0xAA, 0x00, 0x04, 0x51, 0x40, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], "TI IR Temperature Sensor"),
   ti_st_2 = ([0xF0, 0x00, 0xAA, 0x10, 0x04, 0x51, 0x40, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], "TI Accelerometer"),
@@ -11,7 +43,7 @@
 )
 
 attr = dict(
-  ti_st_11 = ([0xF0, 0x00, 0xAA, 0x01, 0x04, 0x51, 0x40, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], "TI IR Temperature Sensor Data"),
+  ti_st_11 = ([0xF0, 0x00, 0xAA, 0x01, 0x04, 0x51, 0x40, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], "TI IR Temperature Sensor Data", ti_print_ir_temp),
   ti_st_12 = ([0xF0, 0x00, 0xAA, 0x02, 0x04, 0x51, 0x40, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], "TI IR Temperature Sensor Configuration"),
 
   ti_st_21 = ([0xF0, 0x00, 0xAA, 0x11, 0x04, 0x51, 0x40, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], "TI Accelerometer Data"),

gui.py

@@ -2,14 +2,35 @@
 #
 # (c) 2014 Joost Yervante Damad <[email protected]>
 
-import sys, time, datetime
+import sys, time, datetime, ast
 
 from PySide import QtGui, QtCore
 from PySide.QtCore import Qt
 
 import ble
 from ble import BLE
 
+class WriteDialog(QtGui.QDialog):
+
+  def __init__(self, parent, chandle, value=''):
+    super(WriteDialog, self).__init__(parent)
+    self.chandle = chandle
+    self.setWindowTitle("Write %d" % (chandle))
+    self.resize(640,160) # TODO, there must be a better way to do this
+    vbox = QtGui.QVBoxLayout()
+    fl = QtGui.QFormLayout()
+    self.value_edit = QtGui.QLineEdit()
+    self.value_edit.setText(str(value))
+    fl.addRow("Value:", self.value_edit)
+    vbox.addLayout(fl)
+    buttons = QtGui.QDialogButtonBox.Ok | QtGui.QDialogButtonBox.Cancel
+    self.button_box = QtGui.QDialogButtonBox(buttons, QtCore.Qt.Horizontal)
+    self.button_box.accepted.connect(self.accept)
+    self.button_box.rejected.connect(self.reject)
+    #self.button_box.button(QtGui.QDialogButtonBox.Ok).setDisabled(True)
+    vbox.addWidget(self.button_box)
+    self.setLayout(vbox)
+
 class Device:
 
   def __init__(self, ble, handle, mac):
@@ -73,6 +94,14 @@ def write(self):
     if t == 'attr':
       chandle = int(parent.child(self.current.row(), 3).data(Qt.DisplayRole))
       print "write to ", chandle
+      try:
+        value = self.chandle_to_value_item[chandle].data(Qt.DisplayRole)
+      except:
+        value = ''
+      dialog = WriteDialog(self.view, chandle, value)
+      if dialog.exec_() != QtGui.QDialog.Accepted: return
+      value = ast.literal_eval(dialog.value_edit.text())
+      self.ble.write_handle(self.handle, chandle, value)
 
   def primary(self):
     self.type = 'primary'