*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#define FOSC 26000000
-#define ao_radio_select() ao_spi_get_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS,AO_SPI_SPEED_1MHz)
+#define AO_CC115L_SPI_SPEED ao_spi_speed(6500000) /* for back-to-back access */
+
+#define ao_radio_select() ao_spi_get_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS,AO_CC115L_SPI_SPEED)
#define ao_radio_deselect() ao_spi_put_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS)
#define ao_radio_spi_send(d,l) ao_spi_send((d), (l), AO_CC115L_SPI_BUS)
#define ao_radio_spi_send_fixed(d,l) ao_spi_send_fixed((d), (l), AO_CC115L_SPI_BUS)
const char *comment;
};
-#define NUM_TRACE 256
+#define NUM_TRACE 32
static struct ao_cc115l_trace trace[NUM_TRACE];
static int trace_i;
}
/* 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;
uint8_t ao_radio_tone_current;
uint8_t ao_radio_tone_offset;
-int16_t
+static int16_t
ao_radio_tone_fill(uint8_t *buf, int16_t len)
{
int16_t ret = 0;
#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
uint8_t mode = 2;
static uint8_t radio_on;
ao_cmd_white();
- if (ao_cmd_lex_c != '\n') {
- ao_cmd_decimal();
- mode = (uint8_t) ao_cmd_lex_u32;
- }
+ if (ao_cmd_lex_c != '\n')
+ mode = ao_cmd_decimal();
mode++;
if ((mode & 2) && !radio_on) {
#if HAS_MONITOR