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This is a modulator/demodulator class attached to an UART. Used to demodulate bits from frequency modulated signal and send them to an UART
| enum Type { ETSI = 0, TypeCount = 1 } | Type |
Modem type enumeration
| FSKModem (const NamedList& params, UART* uart)
| FSKModem |
Constructor
Parameters:
| params | Modem parameters (including modemtype) |
| uart | The UART attached to this modem |
| ~FSKModem ()
| ~FSKModem |
Destructor
| inline bool terminated ()
| terminated |
[const]
Check if this modem is terminated. Need reset if so. The modem can terminate processing on UART's request
Returns: True if this modem is terminated
| inline int type ()
| type |
[const]
Get the type of this modem
Returns: The modem type
| void reset ()
| reset |
Reset modem to its initial state
| bool demodulate (const DataBlock& data)
| demodulate |
Data processor. Demodulate received data. Feed the UART with received bits
Parameters:
| data | The data to process |
Returns: False to stop feedding data (terminated)
| void modulate (DataBlock& dest, const DataBlock& data)
| modulate |
Create a buffer containing the modulated representation of a message. A data pattern (depending on modem's type) will be added before the message. A mark pattern (2ms long) will be added after the message. Reset the modem before each request to modulate
Parameters:
| dest | Destination buffer |
| data | Message data (each byte will be enclosed in start/stop/parity bits) |
| inline void addRaw (DataBlock& dest, void* buf, unsigned int len)
| addRaw |
[static]
Append a raw buffer to a data block
Parameters:
| dest | Destination buffer |
| buf | Buffer to append to destination |
| len | the number of bytes to append starting with buf |
| static TokenDict s_typeName[] | s_typeName[] |
| Generated by: paulc on bussard on Mon Mar 8 12:18:15 2010, using kdoc 2.0a54. |