*
* 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_radio_select() ao_spi_get_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS,AO_SPI_SPEED_6MHz)
#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)
#if CC115L_TRACE
-const static struct ao_cc115l_reg ao_cc115l_reg[];
-const static char *cc115l_state_name[];
+static const struct ao_cc115l_reg ao_cc115l_reg[];
+static const char *cc115l_state_name[];
enum ao_cc115l_trace_type {
trace_strobe,
const char *comment;
};
-#define NUM_TRACE 256
+#define NUM_TRACE 32
static struct ao_cc115l_trace trace[NUM_TRACE];
static int trace_i;
case trace_strobe:
comment = cc115l_state_name[(value >> 4) & 0x7];
break;
+ default:
+ break;
}
trace[trace_i].type = type;
trace[trace_i].addr = addr;
return CC115L_FIFO_SIZE - (ao_radio_reg_read(CC115L_TXBYTES) & CC115L_TXBYTES_NUM_TX_BYTES_MASK);
}
-#if UNUSED
+#if CC115L_DEBUG
static uint8_t
ao_radio_status(void)
{
return ao_radio_strobe (CC115L_SNOP);
}
-#endif
-#define ao_radio_rdf_value 0x55
-
-#if UNUSED
static uint8_t
ao_radio_get_marcstate(void)
{
return ao_radio_reg_read(CC115L_MARCSTATE) & CC115L_MARCSTATE_MASK;
}
#endif
-
+
+#define ao_radio_rdf_value 0x55
+
static void
ao_radio_done_isr(void)
{
}
/* Flush any pending TX bytes */
ao_radio_strobe(CC115L_SFTX);
+ /* Make sure the RF calibration is current */
+ ao_radio_strobe(CC115L_SCAL);
}
/*
- * Packet deviation is 20.5kHz
+ * Packet deviation
*
* fdev = fosc >> 17 * (8 + dev_m) << dev_e
*
+ * For 38400 baud, use 20.5kHz:
+ *
* 26e6 / (2 ** 17) * (8 + 5) * (2 ** 3) = 20630Hz
+ *
+ * For 9600 baud, use 5.125kHz:
+ *
+ * 26e6 / (2 ** 17) * (8 + 5) * (2 ** 1) = 5157Hz
+ *
+ * For 2400 baud, use 1.5kHz:
+ *
+ * 26e6 / (2 ** 17) * (8 + 0) * (2 ** 0) = 1587Hz
*/
-#define PACKET_DEV_E 3
-#define PACKET_DEV_M 5
+#define PACKET_DEV_E_384 3
+#define PACKET_DEV_M_384 5
+
+#define PACKET_DEV_E_96 1
+#define PACKET_DEV_M_96 5
+
+#define PACKET_DEV_E_24 0
+#define PACKET_DEV_M_24 0
/*
- * For our packet data, set the symbol rate to 38400 Baud
+ * For our packet data:
*
* (256 + DATARATE_M) * 2 ** DATARATE_E
* Rdata = -------------------------------------- * fosc
* 2 ** 28
*
+ * For 38400 baud:
+ *
* (256 + 131) * (2 ** 10) / (2**28) * 26e6 = 38383
*
* DATARATE_M = 131
- * DATARATE_E = 10
+ * DATARATE_E_384 = 10
+ * DATARATE_E_96 = 8
+ * DATARATE_E_24 = 6
*/
-#define PACKET_DRATE_E 10
-#define PACKET_DRATE_M 131
+#define PACKET_DRATE_M 131
+
+#define PACKET_DRATE_E_384 10
+#define PACKET_DRATE_E_96 8
+#define PACKET_DRATE_E_24 6
+
+static const struct {
+ uint8_t mdmcfg4;
+ uint8_t deviatn;
+} packet_rate_setup[] = {
+ [AO_RADIO_RATE_38400] = {
+ .mdmcfg4 = ((0xf << 4) |
+ (PACKET_DRATE_E_384 << CC115L_MDMCFG4_DRATE_E)),
+ .deviatn = ((PACKET_DEV_E_384 << CC115L_DEVIATN_DEVIATION_E) |
+ (PACKET_DEV_M_384 << CC115L_DEVIATN_DEVIATION_M)),
+ },
+
+ [AO_RADIO_RATE_9600] = {
+ .mdmcfg4 = ((0xf << 4) |
+ (PACKET_DRATE_E_96 << CC115L_MDMCFG4_DRATE_E)),
+ .deviatn = ((PACKET_DEV_E_96 << CC115L_DEVIATN_DEVIATION_E) |
+ (PACKET_DEV_M_96 << CC115L_DEVIATN_DEVIATION_M)),
+ },
+
+ [AO_RADIO_RATE_2400] = {
+ .mdmcfg4 = ((0xf << 4) |
+ (PACKET_DRATE_E_24 << CC115L_MDMCFG4_DRATE_E)),
+ .deviatn = ((PACKET_DEV_E_24 << CC115L_DEVIATN_DEVIATION_E) |
+ (PACKET_DEV_M_24 << CC115L_DEVIATN_DEVIATION_M)),
+ },
+};
static const uint16_t packet_setup[] = {
- CC115L_DEVIATN, ((PACKET_DEV_E << CC115L_DEVIATN_DEVIATION_E) |
- (PACKET_DEV_M << CC115L_DEVIATN_DEVIATION_M)),
- CC115L_MDMCFG4, ((0xf << 4) |
- (PACKET_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
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)),
};
return;
changes = new_mode & (~ao_radio_mode);
- if (changes & AO_RADIO_MODE_BITS_PACKET_TX)
+ if (changes & AO_RADIO_MODE_BITS_PACKET_TX) {
+ ao_radio_reg_write(CC115L_MDMCFG4, packet_rate_setup[ao_config.radio_rate].mdmcfg4);
+ ao_radio_reg_write(CC115L_DEVIATN, packet_rate_setup[ao_config.radio_rate].deviatn);
+
for (i = 0; i < sizeof (packet_setup) / sizeof (packet_setup[0]); i += 2)
ao_radio_reg_write(packet_setup[i], packet_setup[i+1]);
+ }
if (changes & AO_RADIO_MODE_BITS_RDF)
for (i = 0; i < sizeof (rdf_setup) / sizeof (rdf_setup[0]); i += 2)
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_get(void)
{
static uint32_t last_radio_setting;
+ static uint8_t last_radio_rate;
ao_mutex_get(&ao_radio_mutex);
if (!ao_radio_configured)
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;
+ last_radio_rate = ao_config.radio_rate;
}
}
ao_radio_tone = tones;
ao_radio_tone_current = 0;
ao_radio_tone_offset = 0;
+ ao_radio_tone_count = ntones;
_ao_radio_send_lots(ao_radio_tone_fill, AO_RADIO_MODE_RDF);
ao_radio_put();
}
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
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));
+ return ((ao_gpio_get(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN, AO_CC115L_DONE_INT) << 1) |
+ ao_gpio_get(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN, AO_CC115L_FIFO_INT));
}
#endif
}
#if CC115L_DEBUG
-const static char *cc115l_state_name[] = {
+static const char *cc115l_state_name[] = {
[CC115L_STATUS_STATE_IDLE] = "IDLE",
[CC115L_STATUS_STATE_TX] = "TX",
[CC115L_STATUS_STATE_FSTXON] = "FSTXON",
[CC115L_STATUS_STATE_TX_FIFO_UNDERFLOW] = "TX_FIFO_UNDERFLOW",
};
-const static struct ao_cc115l_reg ao_cc115l_reg[] = {
+static const struct ao_cc115l_reg ao_cc115l_reg[] = {
{ .addr = CC115L_IOCFG2, .name = "IOCFG2" },
{ .addr = CC115L_IOCFG1, .name = "IOCFG1" },
{ .addr = CC115L_IOCFG0, .name = "IOCFG0" },
static void ao_radio_show(void) {
uint8_t status = ao_radio_status();
- int i;
+ unsigned int i;
ao_radio_get();
status = ao_radio_status();
projects / fw / altos / blobdiff