}
/* Flush any pending TX bytes */
ao_radio_strobe(CC115L_SFTX);
+ /* Make sure the RF calibration is current */
+ ao_radio_strobe(CC115L_SCAL);
}
/*
static const uint16_t packet_setup[] = {
CC115L_MDMCFG3, (PACKET_DRATE_M),
- CC115L_MDMCFG2, (0x00 |
- (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
+ CC115L_MDMCFG2, ((CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
(0 << CC115L_MDMCFG2_MANCHESTER_EN) |
(CC115L_MDMCFG2_SYNC_MODE_16BITS << CC115L_MDMCFG2_SYNC_MODE)),
};
/*
- * RDF deviation is 5kHz
+ * RDF deviation is 3kHz
*
* fdev = fosc >> 17 * (8 + dev_m) << dev_e
*
- * 26e6 / (2 ** 17) * (8 + 4) * (2 ** 1) = 4761Hz
+ * 26e6 / (2 ** 17) * (8 + 7) * (2 ** 0) = 2975
*/
-#define RDF_DEV_E 1
-#define RDF_DEV_M 4
+#define RDF_DEV_E 0
+#define RDF_DEV_M 7
/*
* For our RDF beacon, set the symbol rate to 2kBaud (for a 1kHz tone)
CC115L_MDMCFG4, ((0xf << 4) |
(RDF_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
CC115L_MDMCFG3, (RDF_DRATE_M),
- CC115L_MDMCFG2, (0x00 |
- (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
+ CC115L_MDMCFG2, ((CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
(0 << CC115L_MDMCFG2_MANCHESTER_EN) |
(CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
};
CC115L_MDMCFG4, ((0xf << 4) |
(APRS_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
CC115L_MDMCFG3, (APRS_DRATE_M),
- CC115L_MDMCFG2, (0x00 |
- (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
+ CC115L_MDMCFG2, ((CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
(0 << CC115L_MDMCFG2_MANCHESTER_EN) |
(CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
};
AO_CC115L_DONE_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_PA_PD | (1 << CC115L_IOCFG_GPIO_INV),
CC115L_FIFOTHR, 0x47, /* TX FIFO Thresholds */
- CC115L_MDMCFG1, (0x00 |
- (CC115L_MDMCFG1_NUM_PREAMBLE_4 << CC115L_MDMCFG1_NUM_PREAMBLE) |
- (1 << CC115L_MDMCFG1_CHANSPC_E)),
+ CC115L_MDMCFG1, /* Modem Configuration */
+ ((CC115L_MDMCFG1_NUM_PREAMBLE_4 << CC115L_MDMCFG1_NUM_PREAMBLE) |
+ (1 << CC115L_MDMCFG1_CHANSPC_E)),
CC115L_MDMCFG0, 248, /* Channel spacing M value (100kHz channels) */
+ CC115L_MCSM1, 0x30, /* Main Radio Control State Machine Configuration */
CC115L_MCSM0, 0x38, /* Main Radio Control State Machine Configuration */
CC115L_RESERVED_0X20, 0xfb, /* Use setting from SmartRF Studio */
+ CC115L_FREND0, 0x10, /* Front End TX Configuration */
CC115L_FSCAL3, 0xe9, /* Frequency Synthesizer Calibration */
CC115L_FSCAL2, 0x2a, /* Frequency Synthesizer Calibration */
CC115L_FSCAL1, 0x00, /* Frequency Synthesizer Calibration */
CC115L_FSCAL0, 0x1f, /* Frequency Synthesizer Calibration */
+ CC115L_RESERVED_0X29, 0x59, /* RESERVED */
+ CC115L_RESERVED_0X2A, 0x7f, /* RESERVED */
+ CC115L_RESERVED_0X2B, 0x3f, /* RESERVED */
CC115L_TEST2, 0x81, /* Various Test Settings */
CC115L_TEST1, 0x35, /* Various Test Settings */
CC115L_TEST0, 0x09, /* Various Test Settings */
static uint8_t ao_radio_configured = 0;
+#if HAS_RADIO_POWER
+#define RADIO_POWER ao_config.radio_power
+#else
+
+#if 0
+#define RADIO_POWER 0x03 /* -31.75dBm on the test board */
+#endif
+
+#define RADIO_POWER 0xc0 /* full power */
+
+#endif
+
static void
ao_radio_setup(void)
{
ao_config_get();
+ ao_radio_reg_write(CC115L_PA, RADIO_POWER);
+
ao_radio_strobe(CC115L_SCAL);
ao_radio_configured = 1;
ao_radio_reg_write(CC115L_FREQ1, ao_config.radio_setting >> 8);
ao_radio_reg_write(CC115L_FREQ0, ao_config.radio_setting);
last_radio_setting = ao_config.radio_setting;
+ /* Make sure the RF calibration is current */
+ ao_radio_strobe(CC115L_SCAL);
}
if (ao_config.radio_rate != last_radio_rate) {
ao_radio_mode &= ~AO_RADIO_MODE_BITS_PACKET_TX;
#define POWER_STEP 0x08
-#if HAS_RADIO_POWER
-#define RADIO_POWER ao_config.radio_power
-#else
-#define RADIO_POWER 0xc0
-#endif
-
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 < RADIO_POWER; power += POWER_STEP)
- ao_radio_reg_write(CC115L_PA, power);
- if (power != RADIO_POWER)
- ao_radio_reg_write(CC115L_PA, RADIO_POWER);
}
static void