Haas506 2.0 development tutorial - Advanced Component Library -modem Voicecall (only supports versions above 2.2)

1. Make a phone call

Case description ：

• Use the development board to talk with mobile phones .
• Need to insert SIM card
• Be careful ： ‘phonenumber’ Need to change to a phone number （str Format ）

main.py

from modem import voiceCall
from audio import Audio
import utime

if __name__ == '__main__':
  # Instantiation 
  vc = voiceCall()
  ad = Audio()
  ad.set_pa()  # The telephone function needs to turn on the power amplifier in advance 
  ad.setVolume(10)  # set volume 
  
  utime.sleep(3)
  #  Make a phone call 
  vc.callStart('phonenumber')

2. Answer the phone

main.py

from modem import voiceCall
from audio import Audio
import utime

def voice_callback(args):
  if args[0] == 10:
      print('voicecall incoming call, PhoneNO.: ', args[6])
  elif args[0] == 11:
      print('voicecall connected, PhoneNO.: ', args[6])
  elif args[0] == 12:
      print('voicecall disconnect')
  elif args[0] == 13:
      print('voicecall is waiting, PhoneNO.: ', args[6])
  elif args[0] == 14:
      print('voicecall dialing, PhoneNO.: ', args[6])
  elif args[0] == 15:
      print('voicecall alerting, PhoneNO.: ', args[6])
  elif args[0] == 16:
      print('voicecall holding, PhoneNO.: ', args[6])

if __name__ == '__main__':
  # Instantiation 
  vc = voiceCall()
  ad = Audio()
  # The telephone function needs to turn on the power amplifier in advance 
  ad.set_pa()
  # set volume 
  ad.setVolume(10)
  utime.sleep(3)
  #  Set the listening callback function 
  vc.setCallback(voice_callback)
  utime.sleep(2)
  vc.callAnswer()
  # Hang up 
  utime.sleep(10)
  vc.callEnd()

3.Class-sim

setCallback	setAutoAnswer	callStart	callAnswer	callEnd
Set the listening callback function	Set auto response time	Make a phone call	Answer the phone when you call	Hang up

voiceCall - Call function

• The function prototype ：

modem.voiceCall()

• Parameter description ： nothing

setCallback - Set the listening callback function

• The functionality ： Set the listening callback function

• The function prototype ：

voiceCall.setCallback(voice_callback)

• Parameter description ：

Parameters	explain ？
voice_callback	Listen for callback functions

• Return value ： The registration is successful and the integer is returned 0, Failure returns an integer -1 .

setAutoAnswer - Set auto response time

• The functionality ： Set auto response time , Auto connect when incoming

• The function prototype ：

voiceCall.setAutoAnswer(ms)

• Parameter description ：

Parameters	explain
ms	Automatic response time , Company ms

callStart- Make a phone call

• The functionality ： Make a phone call

• The function prototype ：

voiceCall.voiceCall.callStart(phonenumber)

• Parameter description ：

Parameters	explain ？
phonenumber	The phone number you dialed

callAnswer - Answer the phone when you call

• The functionality ： Answer the phone when you call

• The function prototype ：

voiceCall.callAnswer()

• Parameter description ： nothing

callEnd - Hang up

• The functionality ： Hang up

• The function prototype ：

voiceCall.callEnd()

• Parameter description ： nothing