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Methods for setting data rate and TX power

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This commit is contained in:
Manuel Bleichenbacher
2021-07-28 23:48:54 +02:00
parent 62e829b0d3
commit 37d7f8d517
5 changed files with 628 additions and 14 deletions
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66
src/ttn.c
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@ -22,6 +22,7 @@
#define TAG "ttn"
#define DEFAULT_MAX_TX_POWER -1000
/**
* @brief Reason the user code is waiting
@ -55,14 +56,18 @@ typedef struct {
size_t message_size;
} ttn_lmic_event_t;
static bool is_started;
static QueueHandle_t lmic_event_queue;
static ttn_message_cb message_callback;
static ttn_waiting_reason_t waiting_reason = TTN_WAITING_NONE;
static ttn_rf_settings_t last_rf_settings[4];
static ttn_rx_tx_window_t current_rx_tx_window;
static int subband = 1;
static ttn_data_rate_t join_data_rate = TTN_DR_JOIN_DEFAULT;
static int max_tx_power = DEFAULT_MAX_TX_POWER;
static bool join_core(void);
static void config_rf_params(void);
static void event_callback(void* user_data, ev_t event);
static void message_received_callback(void *user_data, uint8_t port, const uint8_t *message, size_t message_size);
static void message_transmitted_callback(void *user_data, int success);
@ -198,7 +203,23 @@ bool ttn_join_provisioned(void)
return join_core();
}
bool join_core()
// Called immediately before sending join request message
void config_rf_params(void)
{
#if defined(CFG_us915) || defined(CFG_au915)
if (subband != 0)
LMIC_selectSubBand(subband - 1);
#endif
if (join_data_rate != TTN_DR_JOIN_DEFAULT || max_tx_power != DEFAULT_MAX_TX_POWER)
{
dr_t dr = join_data_rate == TTN_DR_JOIN_DEFAULT ? LMIC.datarate : (dr_t)join_data_rate;
s1_t txpow = max_tx_power == DEFAULT_MAX_TX_POWER ? LMIC.adrTxPow : max_tx_power;
LMIC_setDrTxpow(dr, txpow);
}
}
bool join_core(void)
{
if (!ttn_provisioning_have_keys())
{
@ -206,22 +227,21 @@ bool join_core()
return false;
}
is_started = true;
hal_esp32_enter_critical_section();
xQueueReset(lmic_event_queue);
waiting_reason = TTN_WAITING_FOR_JOIN;
#if defined(CFG_us915) || defined(CFG_au915)
if (subband != 0)
LMIC_selectSubBand(subband - 1);
#endif
LMIC_startJoining();
config_rf_params();
hal_esp32_wake_up();
hal_esp32_leave_critical_section();
ttn_lmic_event_t event;
xQueueReceive(lmic_event_queue, &event, portMAX_DELAY);
return event.event == TTN_EVNT_JOIN_COMPLETED;
is_started = event.event == TTN_EVNT_JOIN_COMPLETED;
return is_started;
}
ttn_response_code_t ttn_transmit_message(const uint8_t *payload, size_t length, ttn_port_t port, bool confirm)
@ -290,9 +310,39 @@ bool ttn_adr_enabled(void)
return LMIC.adrEnabled != 0;
}
void ttn_set_adr_nabled(bool enabled)
void ttn_set_adr_enabled(bool enabled)
{
hal_esp32_enter_critical_section();
LMIC_setAdrMode(enabled);
hal_esp32_leave_critical_section();
}
void ttn_set_data_rate(ttn_data_rate_t data_rate)
{
if (is_started)
{
hal_esp32_enter_critical_section();
LMIC_setDrTxpow(data_rate, LMIC.adrTxPow);
hal_esp32_leave_critical_section();
}
else
{
join_data_rate = data_rate;
}
}
void ttn_set_max_tx_pow(int tx_pow)
{
if (is_started)
{
hal_esp32_enter_critical_section();
LMIC_setDrTxpow(LMIC.datarate, tx_pow);
hal_esp32_leave_critical_section();
}
else
{
max_tx_power = tx_pow;
}
}
ttn_rf_settings_t ttn_getrf_settings(ttn_rx_tx_window_t window)