remove callback dependency for send_rds

Author: kushanj1

examples/rda5807m_simpletest.py

@@ -19,13 +19,9 @@
 
 # Receiver i2c communication
 address = 0x11
-radio_i2c = I2CDevice(i2c, address)
-
 vol = 3  # Default volume
 band = "FM"
 
-radio = tinkeringtech_rda5807m.Radio(radio_i2c, presets[i_sidx], vol)
-radio.set_band(band)  # Minimum frequency - 87 Mhz, max - 108 Mhz
 rds = tinkeringtech_rda5807m.RDSParser()
 
 # Display initialization
@@ -45,6 +41,11 @@ def textHandle(rdsText):
 
 rds.attach_text_callback(textHandle)
 
+# Initialize the radio classes for use.
+radio_i2c = I2CDevice(i2c, address)
+radio = tinkeringtech_rda5807m.Radio(radio_i2c, rds, presets[i_sidx], vol)
+radio.set_band(band)  # Minimum frequency - 87 Mhz, max - 108 Mhz
+
 # Read input from serial
 def serial_read():
     if supervisor.runtime.serial_bytes_available:
@@ -151,7 +152,6 @@ def runSerialCommand(cmd, value=0):
 
 
 print_rds = False
-radio.attach_send_rds_callback(rds.process_data)
 runSerialCommand("?", 0)
 
 print("-> ", end="")

tinkeringtech_rda5807m.py

@@ -144,7 +144,7 @@ class Radio:
     rssi = 0
 
     # Set default frequency and volume
-    def __init__(self, board, frequency=10000, volume=1):
+    def __init__(self, board, rds_parser, frequency=10000, volume=1):
         self.board = board
         self.frequency = frequency
 
@@ -158,7 +158,8 @@ def __init__(self, board, frequency=10000, volume=1):
         self.mono = False
         self.rds = False
         self.tuned = False
-        self.send_rds = False
+        self.rds_parser = rds_parser
+        self.send_rds = rds_parser.process_data
 
         # Is the signal strong enough to get rds?
         self.rds_ready = False
@@ -523,10 +524,6 @@ def read_registers(self):
             for i in range(6):
                 self.registers[0xA + i] = self.read16()
 
-    def attach_send_rds_callback(self, new_function):
-        """docstring."""
-        self.send_rds = new_function
-
 
 def replace_element(index, text, newchar):
     """docstring."""