#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_wake; /* sleep address for radio interrupts */
static uint8_t ao_radio_abort; /* radio operation should abort */
-static uint8_t ao_radio_mcu_wake; /* MARC status change */
-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
#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,
case trace_strobe:
comment = cc115l_state_name[(value >> 4) & 0x7];
break;
+ default:
+ break;
}
trace[trace_i].type = type;
trace[trace_i].addr = addr;
ao_radio_reg_read(uint8_t addr)
{
uint8_t data[1];
- uint8_t d;
data[0] = ((1 << CC115L_READ) |
(0 << CC115L_BURST) |
ao_radio_reg_write(uint8_t addr, uint8_t value)
{
uint8_t data[2];
- uint8_t d;
trace_add(trace_write, addr, value, NULL);
data[0] = ((0 << CC115L_READ) |
ao_radio_deselect();
}
+#if UNUSED
static void
ao_radio_burst_read_start (uint16_t addr)
{
uint8_t data[1];
- uint8_t d;
data[0] = ((1 << CC115L_READ) |
(1 << CC115L_BURST) |
{
ao_radio_deselect();
}
+#endif
static uint8_t
return CC115L_FIFO_SIZE - (ao_radio_reg_read(CC115L_TXBYTES) & CC115L_TXBYTES_NUM_TX_BYTES_MASK);
}
+#if CC115L_DEBUG
static uint8_t
ao_radio_status(void)
{
return ao_radio_strobe (CC115L_SNOP);
}
-#define ao_radio_rdf_value 0x55
-
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)
{
ao_wakeup(&ao_radio_wake);
}
-static void
-ao_radio_start_tx(void)
-{
-}
-
static void
ao_radio_idle(void)
{
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);
* (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 uint16_t packet_rate_setup[] = {
+ [AO_RADIO_RATE_38400] = ((0xf << 4) |
+ (PACKET_DRATE_E_384 << CC115L_MDMCFG4_DRATE_E)),
+
+ [AO_RADIO_RATE_9600] = ((0xf << 4) |
+ (PACKET_DRATE_E_96 << CC115L_MDMCFG4_DRATE_E)),
+
+ [AO_RADIO_RATE_2400] = ((0xf << 4) |
+ (PACKET_DRATE_E_24 << CC115L_MDMCFG4_DRATE_E)),
+};
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) |
};
/*
- * 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_radio_set_mode(uint16_t new_mode)
{
uint16_t changes;
- int i;
+ unsigned int i;
if (new_mode == ao_radio_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]);
+
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_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;
static void
ao_radio_setup(void)
{
- int i;
+ unsigned int i;
ao_radio_strobe(CC115L_SRES);
ao_delay(AO_MS_TO_TICKS(10));
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;
+ static uint8_t last_radio_rate;
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;
+ 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();
}
ao_wakeup(&ao_radio_wake);
}
+#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
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));
+ 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
static void
ao_radio_wait_fifo(void)
void
ao_radio_send(const void *d, uint8_t size)
{
- int i;
-
ao_radio_get();
ao_radio_send_len = ao_fec_encode(d, size, tx_data);
ao_radio_send_buf = tx_data;
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;
}
}
}
#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();
ao_radio_send(packet, sizeof (packet));
}
-#endif /* CC115L_DEBUG */
#if HAS_APRS
#include <ao_aprs.h>
ao_aprs_send();
}
#endif
+#endif /* CC115L_DEBUG */
static const struct ao_cmds ao_radio_cmds[] = {
{ ao_radio_test_cmd, "C <1 start, 0 stop, none both>\0Radio carrier test" },
void
ao_radio_init(void)
{
+#if 0
int i;
+#endif
ao_radio_configured = 0;
ao_spi_init_cs (AO_CC115L_SPI_CS_PORT, (1 << AO_CC115L_SPI_CS_PIN));