#define AO_RADIO_MAX_SEND sizeof (struct ao_telemetry_generic)
-static uint8_t ao_radio_mutex;
+uint8_t ao_radio_mutex;
static uint8_t ao_radio_fifo; /* fifo drained interrupt received */
static uint8_t ao_radio_done; /* tx done interrupt received */
static uint8_t ao_radio_marcstate; /* Last read MARC state value */
/* Debugging commands */
-#define CC115L_DEBUG 1
+#define CC115L_DEBUG 0
/* Runtime tracing */
#define CC115L_TRACE 0
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_CC115L_DONE_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_PA_PD | (1 << CC115L_IOCFG_GPIO_INV),
CC115L_FIFOTHR, 0x47, /* TX FIFO Thresholds */
- CC115L_FREQ2, 0x10, /* Frequency Control Word, High Byte */
- CC115L_FREQ1, 0xb6, /* Frequency Control Word, Middle Byte */
- CC115L_FREQ0, 0xa5, /* Frequency Control Word, Low Byte */
- CC115L_MDMCFG2, 0x13, /* Modem Configuration */
CC115L_MDMCFG1, (0x00 |
(CC115L_MDMCFG1_NUM_PREAMBLE_4 << CC115L_MDMCFG1_NUM_PREAMBLE) |
(1 << CC115L_MDMCFG1_CHANSPC_E)),
CC115L_MDMCFG0, 248, /* Channel spacing M value (100kHz channels) */
- CC115L_DEVIATN, 0x35, /* Modem Deviation Setting */
CC115L_MCSM0, 0x38, /* Main Radio Control State Machine Configuration */
CC115L_RESERVED_0X20, 0xfb, /* Use setting from SmartRF Studio */
CC115L_FSCAL3, 0xe9, /* Frequency Synthesizer Calibration */
CC115L_TEST2, 0x81, /* Various Test Settings */
CC115L_TEST1, 0x35, /* Various Test Settings */
CC115L_TEST0, 0x09, /* Various Test Settings */
- CC115L_PA, 0x00, /* Power setting (as low as possible) */
};
static uint8_t ao_radio_configured = 0;
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_PACKET_TX | 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;
}
}