uint8_t state = ao_radio_strobe(CC115L_SIDLE);
if ((state >> CC115L_STATUS_STATE) == CC115L_STATUS_STATE_IDLE)
break;
+ if ((state >> CC115L_STATUS_STATE) == CC115L_STATUS_STATE_TX_FIFO_UNDERFLOW)
+ ao_radio_strobe(CC115L_SFTX);
}
/* Flush any pending TX bytes */
ao_radio_strobe(CC115L_SFTX);
};
/*
- * APRS deviation is the same as RDF
+ * APRS deviation is 3kHz
+ *
+ * 26e6 / (2 ** 17) * (8 + 7) * (2 ** 0) = 2975
*/
-#define APRS_DEV_E RDF_DEV_E
-#define APRS_DEV_M RDF_DEV_M
+#define APRS_DEV_E 0
+#define APRS_DEV_M 7
/*
* For our APRS beacon, set the symbol rate to 9.6kBaud (8x oversampling for 1200 baud data rate)
ao_config_get();
+ ao_radio_strobe(CC115L_SCAL);
+
ao_radio_configured = 1;
}
ao_radio_get(void)
{
static uint32_t last_radio_setting;
- static uint8_t last_power_setting;
ao_mutex_get(&ao_radio_mutex);
if (!ao_radio_configured)
ao_radio_reg_write(CC115L_FREQ0, ao_config.radio_setting);
last_radio_setting = ao_config.radio_setting;
}
- if (ao_config.radio_power != last_power_setting) {
- ao_radio_reg_write(CC115L_PA, ao_config.radio_power);
- last_power_setting = ao_config.radio_power;
- }
}
static void
ao_wakeup(&ao_radio_wake);
}
+#define POWER_STEP 0x08
+
+static void
+ao_radio_stx(void)
+{
+ uint8_t power;
+ ao_radio_pa_on();
+ ao_radio_reg_write(CC115L_PA, 0);
+ ao_radio_strobe(CC115L_STX);
+ for (power = POWER_STEP; power < ao_config.radio_power; power += POWER_STEP)
+ ao_radio_reg_write(CC115L_PA, power);
+ ao_radio_reg_write(CC115L_PA, ao_config.radio_power);
+}
+
static void
ao_radio_test_cmd(void)
{
ao_packet_slave_stop();
#endif
ao_radio_get();
- ao_radio_set_len(0xff);
- ao_radio_set_mode(AO_RADIO_MODE_RDF|AO_RADIO_MODE_BITS_FIXED);
ao_radio_strobe(CC115L_SFTX);
- ao_radio_pa_on();
- ao_radio_strobe(CC115L_STX);
+ ao_radio_set_len(0xff);
+ ao_radio_set_mode(AO_RADIO_MODE_RDF);
+ ao_radio_stx();
radio_on = 1;
}
if (mode == 3) {
}
}
+#if CC115L_TRACE
static inline int16_t
ao_radio_gpio_bits(void)
{
return AO_CC115L_DONE_INT_PORT->idr & ((1 << AO_CC115L_FIFO_INT_PIN) |
(1 << AO_CC115L_DONE_INT_PIN));
}
+#endif
static void
ao_radio_wait_fifo(void)
uint8_t fifo_space;
fifo_space = CC115L_FIFO_SIZE;
+ ao_radio_abort = 0;
+
+ ao_radio_strobe(CC115L_SFTX);
+
ao_radio_done = 0;
ao_radio_fifo = 0;
while (!done) {
ao_exti_enable(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN);
if (!started) {
- ao_radio_pa_on();
- ao_radio_strobe(CC115L_STX);
+ ao_radio_stx();
started = 1;
}
}