diff options
| -rw-r--r-- | src/fsm/src/common.h | 31 | ||||
| -rw-r--r-- | src/fsm/src/fsm.c | 41 | ||||
| -rw-r--r-- | src/fsm/src/fsm.h | 82 |
3 files changed, 154 insertions, 0 deletions
diff --git a/src/fsm/src/common.h b/src/fsm/src/common.h new file mode 100644 index 0000000..5381be0 --- /dev/null +++ b/src/fsm/src/common.h @@ -0,0 +1,31 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2015 Matthias P. Braendli + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. +*/ + +#include <stdint.h> + +#ifndef _COMMON_H_ +#define _COMMON_H_ + +#endif // _COMMON_H_ + diff --git a/src/fsm/src/fsm.c b/src/fsm/src/fsm.c new file mode 100644 index 0000000..6de1fe4 --- /dev/null +++ b/src/fsm/src/fsm.c @@ -0,0 +1,41 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2015 Matthias P. Braendli + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. +*/ + +#include <string.h> +#include "common.h" +#include "fsm.h" + +static struct fsm_input_signals_t fsm_in; +static struct fsm_output_signals_t fsm_out; + +// Keep track of when we last entered a given state +static uint64_t time_state[_NUM_FSM_STATES]; + +void fsm_init() { + memset(&fsm_in, 0, sizeof(fsm_in)); + memset(&fsm_out, 0, sizeof(fsm_out)); + + memset(time_state, 0, _NUM_FSM_STATES * sizeof(*time_state)); +} + diff --git a/src/fsm/src/fsm.h b/src/fsm/src/fsm.h new file mode 100644 index 0000000..869c2c1 --- /dev/null +++ b/src/fsm/src/fsm.h @@ -0,0 +1,82 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2015 Matthias P. Braendli + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. +*/ + +#ifndef _FSM_H_ +#define _FSM_H_ + +// List of all states the FSM of the relay can be in +enum fsm_state_t { + FSM_OISIF = 0, // Idle + FSM_OPEN1, // 1750 Hz received and squelch open + FSM_OPEN2, // Squelch closed + FSM_LETTRE, // Transmit single status letter + FSM_ECOUTE, // Repeater open, waiting for QSO + FSM_ATTENTE, // No QSO after a short while + FSM_QSO, // QSO ongoing + FSM_ANTI_BAVARD, // QSO too long, cut transmission + FSM_BLOQUE, // Backoff after ANTI_BAVARD + FSM_LONG_TEXTE, // Transmit long notice after QSO + FSM_TEXTE_HB9G, // Transmit short notice after QSO + FSM_BALISE_LONGUE, // Full-length 2-hour beacon + FSM_BALISE_SPECIALE, // 2-hour beacon when in QRP or with high power return mode + FSM_BALISE_COURTE, // Short intermittent beacon + _NUM_FSM_STATES // Dummy state to count the number of states +}; + +// All signals that the FSM can read, most of them are actually booleans +struct fsm_input_signals_t { + /* Signals coming from repeater electronics */ + int sq; // Squelch detection + int discrim_u; // FM discriminator says RX is too high in frequency + int carrier; // RX carrier detection + int qrp; // The relay is currently running with low power + int start_tm; // 2-hour pulse + float temp; // temperature in degrees C + float humidity; // relative humidity, range [0-100] % + int wind_generator_ok; // false if the generator is folded out of the wind + int discrim_d; // FM discriminator says RX is too low in frequency + int tone_1750; // Detect 1750Hz tone + + /* Signals coming from CW generator */ + int cw_done; // The CW generator has finished transmitting the message +}; + +// All signals the FSM has to control +struct fsm_output_signals_t { + /* Signals to the repeater electronics */ + int qrp; // Place the repeater in QRP mode + int tx_on; // Enable TX circuitry + int modulation; // Enable repeater RX to TX modulation + + /* Signals to the CW generator */ + const char* cw_msg; // The message to transmit + int cw_frequency; // What audio frequency for the CW message + int cw_trigger; // Set to true to trigger a transmission +}; + +// Initialise local structures +void fsm_init(); + +#endif // _FSM_H_ + |