def handle_response_r7(self, cmd): # R7: Card interface condition # - Bits[47:47]: Start bit (always 0) # - Bits[46:46]: Transmission bit (0 == card) # - Bits[45:40]: Command index (always 0b001000) # - Bits[39:20]: Reserved bits (all-zero) # - Bits[19:16]: Voltage accepted # - Bits[15:08]: Echo-back of check pattern # - Bits[07:01]: CRC7 # - Bits[00:00]: End bit (always 1) if not self.get_token_bits(cmd, 48): return self.handle_common_token_fields() self.putr(55, 'R7') # Arg[31:12]: Reserved bits (all-zero) self.puta(12, 31, [136, ['Reserved', 'Res', 'R']]) # Arg[11:08]: Voltage accepted v = ''.join(str(i[2]) for i in self.token[28:32]) av = accepted_voltages.get(int('0b' + v, 2), 'Unknown') self.puta(8, 11, [136, ['Voltage accepted: ' + av, 'Voltage', 'Volt', 'V']]) # Arg[07:00]: Echo-back of check pattern self.puta(0, 7, [136, ['Echo-back of check pattern', 'Echo', 'E']]) self.token, self.state = [], 'GET COMMAND TOKEN'
def handle_response_r7(self, cmd): # R7: Card interface condition # - Bits[47:47]: Start bit (always 0) # - Bits[46:46]: Transmission bit (0 == card) # - Bits[45:40]: Command index (always 0b001000) # - Bits[39:20]: Reserved bits (all-zero) # - Bits[19:16]: Voltage accepted # - Bits[15:08]: Echo-back of check pattern # - Bits[07:01]: CRC7 # - Bits[00:00]: End bit (always 1) if not self.get_token_bits(cmd, 48): return self.handle_common_token_fields() self.putr(55, 'R7') # Arg[31:12]: Reserved bits (all-zero) self.puta(12, 31, [136, ['Reserved', 'Res', 'R']]) # Arg[11:08]: Voltage accepted v = ''.join(str(i[2]) for i in self.token[28:32]) av = accepted_voltages.get(int('0b' + v, 2), 'Unknown') self.puta(8, 11, [136, ['Voltage accepted: ' + av, 'Voltage', 'Volt', 'V']]) # Arg[07:00]: Echo-back of check pattern self.puta(0, 7, [136, ['Echo-back of check pattern', 'Echo', 'E']]) self.token, self.state = [], 'GET COMMAND TOKEN'