*
* 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 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_wake; /* radio ready. Also used as sleep address */
+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 */
-#define CC115L_DEBUG AO_FEC_DEBUG
-#define CC115L_TRACE 1
+/* Debugging commands */
+#define CC115L_DEBUG 0
-extern const uint32_t ao_radio_cal;
+/* Runtime tracing */
+#define CC115L_TRACE 0
#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_4MHz)
+#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)
#define ao_radio_spi_recv(d,l) ao_spi_recv((d), (l), AO_CC115L_SPI_BUS)
#define ao_radio_duplex(o,i,l) ao_spi_duplex((o), (i), (l), AO_CC115L_SPI_BUS)
-static uint8_t
-ao_radio_reg_read(uint16_t addr)
-{
- uint8_t datao[2], datai[2];
- uint8_t d;
+struct ao_cc115l_reg {
+ uint16_t addr;
+ char *name;
+};
#if CC115L_TRACE
- printf("\t\tao_radio_reg_read (%04x): ", addr); flush();
+
+static const struct ao_cc115l_reg ao_cc115l_reg[];
+static const char *cc115l_state_name[];
+
+enum ao_cc115l_trace_type {
+ trace_strobe,
+ trace_read,
+ trace_write,
+ trace_dma,
+ trace_line,
+};
+
+struct ao_cc115l_trace {
+ enum ao_cc115l_trace_type type;
+ int16_t addr;
+ int16_t value;
+ const char *comment;
+};
+
+#define NUM_TRACE 32
+
+static struct ao_cc115l_trace trace[NUM_TRACE];
+static int trace_i;
+static int trace_disable;
+
+static void trace_add(enum ao_cc115l_trace_type type, int16_t addr, int16_t value, const char *comment)
+{
+ if (trace_disable)
+ return;
+ switch (type) {
+ case trace_read:
+ case trace_write:
+ comment = ao_cc115l_reg[addr].name;
+ break;
+ case trace_strobe:
+ comment = cc115l_state_name[(value >> 4) & 0x7];
+ break;
+ default:
+ break;
+ }
+ trace[trace_i].type = type;
+ trace[trace_i].addr = addr;
+ trace[trace_i].value = value;
+ trace[trace_i].comment = comment;
+ if (++trace_i == NUM_TRACE)
+ trace_i = 0;
+}
+#else
+#define trace_add(t,a,v,c)
#endif
- datao[0] = ((1 << CC115L_READ) |
- (0 << CC115L_BURST) |
- addr);
+
+static uint8_t
+ao_radio_reg_read(uint8_t addr)
+{
+ uint8_t data[1];
+
+ data[0] = ((1 << CC115L_READ) |
+ (0 << CC115L_BURST) |
+ addr);
ao_radio_select();
- ao_radio_duplex(datao, datai, 2);
+ ao_radio_spi_send(data, 1);
+ ao_radio_spi_recv(data, 1);
ao_radio_deselect();
-#if CC115L_TRACE
- printf (" %02x\n", datai[1]);
-#endif
- return datai[1];
+ trace_add(trace_read, addr, data[0], NULL);
+ return data[0];
}
static void
-ao_radio_reg_write(uint16_t addr, uint8_t value)
+ao_radio_reg_write(uint8_t addr, uint8_t value)
{
uint8_t data[2];
- uint8_t d;
-#if CC115L_TRACE
- printf("\t\tao_radio_reg_write (%04x): %02x\n", addr, value);
-#endif
+ trace_add(trace_write, addr, value, NULL);
data[0] = ((0 << CC115L_READ) |
(0 << CC115L_BURST) |
addr);
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
{
uint8_t in;
-#if CC115L_TRACE
- printf("\t\tao_radio_strobe (%02x): ", addr); flush();
-#endif
ao_radio_select();
ao_radio_duplex(&addr, &in, 1);
ao_radio_deselect();
-#if CC115L_TRACE
- printf("%02x\n", in); flush();
-#endif
+ trace_add(trace_strobe, addr, in, NULL);
return in;
}
ao_radio_fifo_write(uint8_t *data, uint8_t len)
{
uint8_t status = ao_radio_fifo_write_start();
+ trace_add(trace_dma, CC115L_FIFO, len, NULL);
ao_radio_spi_send(data, len);
return ao_radio_fifo_write_stop(status);
}
-static uint8_t
-ao_radio_fifo_write_fixed(uint8_t data, uint8_t len)
-{
- uint8_t status = ao_radio_fifo_write_start();
- ao_radio_spi_send_fixed(data, len);
- return ao_radio_fifo_write_stop(status);
-}
-
static uint8_t
ao_radio_tx_fifo_space(void)
{
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
-static void
-ao_radio_mcu_wakeup_isr(void)
-{
- ao_radio_mcu_wake = 1;
- ao_wakeup(&ao_radio_wake);
-}
-
-
-static void
-ao_radio_check_marcstate(void)
-{
- ao_radio_mcu_wake = 0;
- ao_radio_marcstate = ao_radio_get_marcstate();
-
- /* Anyt other than 'tx finished' means an error occurred */
- if (ao_radio_marcstate != CC115L_MARCSTATE_TX_END)
- ao_radio_abort = 1;
-}
+#define ao_radio_rdf_value 0x55
static void
-ao_radio_isr(void)
+ao_radio_done_isr(void)
{
- ao_exti_disable(AO_CC115L_INT_PORT, AO_CC115L_INT_PIN);
- ao_radio_wake = 1;
+ ao_exti_disable(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN);
+ trace_add(trace_line, __LINE__, 0, "done_isr");
+ ao_radio_done = 1;
ao_wakeup(&ao_radio_wake);
}
static void
-ao_radio_start_tx(void)
+ao_radio_fifo_isr(void)
{
- ao_exti_set_callback(AO_CC115L_INT_PORT, AO_CC115L_INT_PIN, ao_radio_isr);
- ao_exti_enable(AO_CC115L_INT_PORT, AO_CC115L_INT_PIN);
- ao_exti_enable(AO_CC115L_MCU_WAKEUP_PORT, AO_CC115L_MCU_WAKEUP_PIN);
- ao_radio_strobe(CC115L_STX);
+ ao_exti_disable(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN);
+ trace_add(trace_line, __LINE__, 0, "fifo_isr");
+ ao_radio_fifo = 1;
+ ao_wakeup(&ao_radio_wake);
}
static void
ao_radio_idle(void)
{
+ ao_radio_pa_off();
for (;;) {
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);
+ /* 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, ((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)
*
* DATARATE_M = 67
* DATARATE_E = 6
- *
- * To make the tone last for 200ms, we need 2000 * .2 = 400 bits or 50 bytes
*/
#define RDF_DRATE_E 6
#define RDF_DRATE_M 67
-#define RDF_PACKET_LEN 50
static const uint16_t rdf_setup[] = {
CC115L_DEVIATN, ((RDF_DEV_E << CC115L_DEVIATN_DEVIATION_E) |
CC115L_MDMCFG4, ((0xf << 4) |
(RDF_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
CC115L_MDMCFG3, (RDF_DRATE_M),
+ 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)),
};
/*
- * 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_E
+#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)
CC115L_MDMCFG4, ((0xf << 4) |
(APRS_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
CC115L_MDMCFG3, (APRS_DRATE_M),
+ 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)),
};
#define AO_PKTCTRL0_INFINITE ((CC115L_PKTCTRL0_PKT_FORMAT_NORMAL << CC115L_PKTCTRL0_PKT_FORMAT) | \
static uint16_t ao_radio_mode;
+
+/*
+ * These set the data rate and modulation parameters
+ */
#define AO_RADIO_MODE_BITS_PACKET_TX 1
-#define AO_RADIO_MODE_BITS_TX_BUF 2
-#define AO_RADIO_MODE_BITS_TX_FINISH 4
-#define AO_RADIO_MODE_BITS_RDF 8
-#define AO_RADIO_MODE_BITS_APRS 16
-#define AO_RADIO_MODE_BITS_INFINITE 32
-#define AO_RADIO_MODE_BITS_FIXED 64
+#define AO_RADIO_MODE_BITS_RDF 2
+#define AO_RADIO_MODE_BITS_APRS 4
+
+/*
+ * Flips between infinite packet mode and fixed packet mode;
+ * we use infinite mode until the sender gives us the
+ * last chunk of data
+ */
+#define AO_RADIO_MODE_BITS_INFINITE 40
+#define AO_RADIO_MODE_BITS_FIXED 80
#define AO_RADIO_MODE_NONE 0
-#define AO_RADIO_MODE_PACKET_TX_BUF (AO_RADIO_MODE_BITS_PACKET_TX | AO_RADIO_MODE_BITS_TX_BUF)
-#define AO_RADIO_MODE_PACKET_TX_FINISH (AO_RADIO_MODE_BITS_PACKET_TX | AO_RADIO_MODE_BITS_TX_FINISH)
-#define AO_RADIO_MODE_RDF (AO_RADIO_MODE_BITS_RDF | AO_RADIO_MODE_BITS_TX_FINISH)
-#define AO_RADIO_MODE_APRS_BUF (AO_RADIO_MODE_BITS_APRS | AO_RADIO_MODE_BITS_INFINITE | AO_RADIO_MODE_BITS_TX_BUF)
-#define AO_RADIO_MODE_APRS_LAST_BUF (AO_RADIO_MODE_BITS_APRS | AO_RADIO_MODE_BITS_FIXED | AO_RADIO_MODE_BITS_TX_BUF)
-#define AO_RADIO_MODE_APRS_FINISH (AO_RADIO_MODE_BITS_APRS | AO_RADIO_MODE_BITS_FIXED | AO_RADIO_MODE_BITS_TX_FINISH)
+
+#define AO_RADIO_MODE_RDF AO_RADIO_MODE_BITS_RDF
+#define AO_RADIO_MODE_PACKET_TX AO_RADIO_MODE_BITS_PACKET_TX
+#define AO_RADIO_MODE_APRS AO_RADIO_MODE_BITS_APRS
static void
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].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_TX_BUF)
- ao_radio_reg_write(AO_CC115L_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_TXFIFO_THR);
-
- if (changes & AO_RADIO_MODE_BITS_TX_FINISH)
- ao_radio_reg_write(AO_CC115L_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_PKT_SYNC_TX | (1 << CC115L_IOCFG_GPIO_INV));
+ }
if (changes & AO_RADIO_MODE_BITS_RDF)
for (i = 0; i < sizeof (rdf_setup) / sizeof (rdf_setup[0]); i += 2)
ao_radio_mode = new_mode;
}
+/***************************************************************
+ * SmartRF Studio(tm) Export
+ *
+ * Radio register settings specifed with address, value
+ *
+ * RF device: CC115L
+ *
+ ***************************************************************/
+
static const uint16_t radio_setup[] = {
-#include "ao_rf_cc115l.h"
+
+ /* High when FIFO is above threshold, low when fifo is below threshold */
+ AO_CC115L_FIFO_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_TXFIFO_THR,
+
+ /* High when transmitter is running, low when off */
+ 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, /* 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)
{
- int i;
+ unsigned int i;
ao_radio_strobe(CC115L_SRES);
+ ao_delay(AO_MS_TO_TICKS(10));
for (i = 0; i < sizeof (radio_setup) / sizeof (radio_setup[0]); i += 2)
ao_radio_reg_write(radio_setup[i], radio_setup[i+1]);
ao_config_get();
+ ao_radio_reg_write(CC115L_PA, RADIO_POWER);
+
+ ao_radio_strobe(CC115L_SCAL);
+
ao_radio_configured = 1;
}
}
static void
-ao_radio_get(uint8_t len)
+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_set_len(len);
}
+static void
+_ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode);
+
#define ao_radio_put() ao_mutex_put(&ao_radio_mutex)
-static void
-ao_rdf_start(uint8_t len)
-{
- ao_radio_abort = 0;
- ao_radio_get(len);
+struct ao_radio_tone {
+ uint8_t value;
+ uint8_t len;
+};
- ao_radio_set_mode(AO_RADIO_MODE_RDF);
- ao_radio_wake = 0;
+struct ao_radio_tone *ao_radio_tone;
+uint8_t ao_radio_tone_count;
+uint8_t ao_radio_tone_current;
+uint8_t ao_radio_tone_offset;
+int16_t
+ao_radio_tone_fill(uint8_t *buf, int16_t len)
+{
+ int16_t ret = 0;
+
+ while (len) {
+ int16_t this_time;
+ struct ao_radio_tone *t;
+
+ /* Figure out how many to send of the current value */
+ t = &ao_radio_tone[ao_radio_tone_current];
+ this_time = t->len - ao_radio_tone_offset;
+ if (this_time > len)
+ this_time = len;
+
+ /* queue the data */
+ memset(buf, t->value, this_time);
+
+ /* mark as sent */
+ len -= this_time;
+ ao_radio_tone_offset += this_time;
+ ret += this_time;
+
+ if (ao_radio_tone_offset >= t->len) {
+ ao_radio_tone_offset = 0;
+ ao_radio_tone_current++;
+ if (ao_radio_tone_current >= ao_radio_tone_count) {
+ trace_add(trace_line, __LINE__, ret, "done with tone");
+ return -ret;
+ }
+ }
+ }
+ trace_add(trace_line, __LINE__, ret, "got some tone");
+ return ret;
}
static void
-ao_rdf_run(void)
+ao_radio_tone_run(struct ao_radio_tone *tones, int ntones)
{
- ao_radio_start_tx();
-
- ao_arch_block_interrupts();
- while (!ao_radio_wake && !ao_radio_abort && !ao_radio_mcu_wake)
- ao_sleep(&ao_radio_wake);
- ao_arch_release_interrupts();
- if (ao_radio_mcu_wake)
- ao_radio_check_marcstate();
- if (!ao_radio_wake)
- ao_radio_idle();
+ ao_radio_get();
+ 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();
}
void
ao_radio_rdf(void)
{
- ao_rdf_start(AO_RADIO_RDF_LEN);
+ struct ao_radio_tone tone;
- ao_radio_fifo_write_fixed(ao_radio_rdf_value, AO_RADIO_RDF_LEN);
-
- ao_rdf_run();
+ tone.value = ao_radio_rdf_value;
+ tone.len = AO_RADIO_RDF_LEN;
+ ao_radio_tone_run(&tone, 1);
}
void
ao_radio_continuity(uint8_t c)
{
- uint8_t i;
- uint8_t status;
-
- ao_rdf_start(AO_RADIO_CONT_TOTAL_LEN);
+ struct ao_radio_tone tones[7];
+ uint8_t count = 0;
+ uint8_t i;
- status = ao_radio_fifo_write_start();
for (i = 0; i < 3; i++) {
- ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_PAUSE_LEN);
+ tones[count].value = 0x00;
+ tones[count].len = AO_RADIO_CONT_PAUSE_LEN;
+ count++;
if (i < c)
- ao_radio_spi_send_fixed(ao_radio_rdf_value, AO_RADIO_CONT_TONE_LEN);
+ tones[count].value = ao_radio_rdf_value;
else
- ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_TONE_LEN);
+ tones[count].value = 0x00;
+ tones[count].len = AO_RADIO_CONT_TONE_LEN;
+ count++;
}
- ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_PAUSE_LEN);
- status = ao_radio_fifo_write_stop(status);
- (void) status;
- ao_rdf_run();
+ tones[count].value = 0x00;
+ tones[count].len = AO_RADIO_CONT_PAUSE_LEN;
+ count++;
+ ao_radio_tone_run(tones, count);
}
void
ao_wakeup(&ao_radio_wake);
}
+#define POWER_STEP 0x08
+
+static void
+ao_radio_stx(void)
+{
+ ao_radio_pa_on();
+ ao_radio_strobe(CC115L_STX);
+}
+
static void
ao_radio_test_cmd(void)
{
#if PACKET_HAS_SLAVE
ao_packet_slave_stop();
#endif
- ao_radio_get(0xff);
- ao_radio_strobe(CC115L_STX);
-#if CC115L_TRACE
- { int t;
- for (t = 0; t < 10; t++) {
- printf ("status: %02x\n", ao_radio_status());
- ao_delay(AO_MS_TO_TICKS(100));
- }
- }
-#endif
+ ao_radio_get();
+ ao_radio_strobe(CC115L_SFTX);
+ 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_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_isr(void)
+ao_radio_wait_fifo(void)
{
ao_arch_block_interrupts();
- while (!ao_radio_wake && !ao_radio_mcu_wake && !ao_radio_abort)
+ while (!ao_radio_fifo && !ao_radio_done && !ao_radio_abort) {
+ trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wait_fifo");
ao_sleep(&ao_radio_wake);
+ }
ao_arch_release_interrupts();
- if (ao_radio_mcu_wake)
- ao_radio_check_marcstate();
+ trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wake bits");
+ trace_add(trace_line, __LINE__, ao_radio_fifo, "wake fifo");
+ trace_add(trace_line, __LINE__, ao_radio_done, "wake done");
+ trace_add(trace_line, __LINE__, ao_radio_abort, "wake abort");
}
-static uint8_t
-ao_radio_wait_tx(uint8_t wait_fifo)
+static void
+ao_radio_wait_done(void)
{
- uint8_t fifo_space = 0;
-
- do {
- ao_radio_wait_isr();
- if (!wait_fifo)
- return 0;
- fifo_space = ao_radio_tx_fifo_space();
- } while (!fifo_space && !ao_radio_abort);
- return fifo_space;
+ ao_arch_block_interrupts();
+ while (!ao_radio_done && !ao_radio_abort) {
+ trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wait_done");
+ ao_sleep(&ao_radio_wake);
+ }
+ ao_arch_release_interrupts();
+ trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wake bits");
+ trace_add(trace_line, __LINE__, ao_radio_fifo, "wake fifo");
+ trace_add(trace_line, __LINE__, ao_radio_done, "wake done");
+ trace_add(trace_line, __LINE__, ao_radio_abort, "wake abort");
}
static uint8_t tx_data[(AO_RADIO_MAX_SEND + 4) * 2];
+static uint8_t *ao_radio_send_buf;
+static int16_t ao_radio_send_len;
+
+static int16_t
+ao_radio_send_fill(uint8_t *buf, int16_t len)
+{
+ int16_t this_time;
+
+ this_time = ao_radio_send_len;
+ if (this_time > len)
+ this_time = len;
+ memcpy(buf, ao_radio_send_buf, this_time);
+ ao_radio_send_buf += this_time;
+ ao_radio_send_len -= this_time;
+ if (ao_radio_send_len == 0)
+ return -this_time;
+ return this_time;
+}
+
void
ao_radio_send(const void *d, uint8_t size)
{
- uint8_t marc_status;
- uint8_t *e = tx_data;
- uint8_t encode_len;
- uint8_t this_len;
- uint8_t started = 0;
- uint8_t fifo_space;
-
- encode_len = ao_fec_encode(d, size, tx_data);
-
- ao_radio_get(encode_len);
-
- started = 0;
- fifo_space = CC115L_FIFO_SIZE;
- while (encode_len) {
- this_len = encode_len;
-
- ao_radio_wake = 0;
- if (this_len > fifo_space) {
- this_len = fifo_space;
- ao_radio_set_mode(AO_RADIO_MODE_PACKET_TX_BUF);
- } else {
- ao_radio_set_mode(AO_RADIO_MODE_PACKET_TX_FINISH);
- }
-
- ao_radio_fifo_write(e, this_len);
- e += this_len;
- encode_len -= this_len;
-
- if (!started) {
- ao_radio_start_tx();
- started = 1;
- } else {
- ao_exti_enable(AO_CC115L_INT_PORT, AO_CC115L_INT_PIN);
- }
-
- fifo_space = ao_radio_wait_tx(encode_len != 0);
- if (ao_radio_abort) {
- ao_radio_idle();
- break;
- }
- }
+ ao_radio_get();
+ ao_radio_send_len = ao_fec_encode(d, size, tx_data);
+ ao_radio_send_buf = tx_data;
+ _ao_radio_send_lots(ao_radio_send_fill, AO_RADIO_MODE_PACKET_TX);
ao_radio_put();
}
#define AO_RADIO_LOTS 64
-void
-ao_radio_send_lots(ao_radio_fill_func fill)
+static void
+_ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
{
uint8_t buf[AO_RADIO_LOTS], *b;
int cnt;
uint8_t started = 0;
uint8_t fifo_space;
- ao_radio_get(0xff);
fifo_space = CC115L_FIFO_SIZE;
+ ao_radio_abort = 0;
+
+ ao_radio_strobe(CC115L_SFTX);
+
+ ao_radio_done = 0;
+ ao_radio_fifo = 0;
while (!done) {
cnt = (*fill)(buf, sizeof(buf));
+ trace_add(trace_line, __LINE__, cnt, "send data count");
if (cnt < 0) {
done = 1;
cnt = -cnt;
total += cnt;
/* At the last buffer, set the total length */
- if (done)
+ if (done) {
ao_radio_set_len(total & 0xff);
+ ao_radio_set_mode(mode | AO_RADIO_MODE_BITS_FIXED);
+ } else {
+ ao_radio_set_len(0xff);
+ ao_radio_set_mode(mode | AO_RADIO_MODE_BITS_INFINITE);
+ }
b = buf;
while (cnt) {
/* Wait for some space in the fifo */
while (!ao_radio_abort && (fifo_space = ao_radio_tx_fifo_space()) == 0) {
- ao_radio_wake = 0;
- ao_radio_wait_isr();
+ trace_add(trace_line, __LINE__, this_len, "wait for space");
+ ao_radio_wait_fifo();
}
- if (ao_radio_abort)
+ if (ao_radio_abort || ao_radio_done)
break;
+ trace_add(trace_line, __LINE__, fifo_space, "got space");
if (this_len > fifo_space)
this_len = fifo_space;
cnt -= this_len;
- if (done) {
- if (cnt)
- ao_radio_set_mode(AO_RADIO_MODE_APRS_LAST_BUF);
- else
- ao_radio_set_mode(AO_RADIO_MODE_APRS_FINISH);
- } else
- ao_radio_set_mode(AO_RADIO_MODE_APRS_BUF);
-
+ ao_radio_done = 0;
+ ao_radio_fifo = 0;
ao_radio_fifo_write(b, this_len);
b += this_len;
+ ao_exti_enable(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN);
+ ao_exti_enable(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN);
+
if (!started) {
- ao_radio_start_tx();
+ ao_radio_stx();
started = 1;
- } else
- ao_exti_enable(AO_CC115L_INT_PORT, AO_CC115L_INT_PIN);
+ }
}
- if (ao_radio_abort) {
- ao_radio_idle();
+ if (ao_radio_abort || ao_radio_done)
break;
- }
- /* Wait for the transmitter to go idle */
- ao_radio_wake = 0;
- ao_radio_wait_isr();
}
+ if (ao_radio_abort)
+ ao_radio_idle();
+ ao_radio_wait_done();
+ ao_radio_pa_off();
+}
+
+void
+ao_radio_send_aprs(ao_radio_fill_func fill)
+{
+ ao_radio_get();
+ _ao_radio_send_lots(fill, AO_RADIO_MODE_APRS);
ao_radio_put();
}
-static char *cc115l_state_name[] = {
+#if CC115L_DEBUG
+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",
};
+static const struct ao_cc115l_reg ao_cc115l_reg[] = {
+ { .addr = CC115L_IOCFG2, .name = "IOCFG2" },
+ { .addr = CC115L_IOCFG1, .name = "IOCFG1" },
+ { .addr = CC115L_IOCFG0, .name = "IOCFG0" },
+ { .addr = CC115L_FIFOTHR, .name = "FIFOTHR" },
+ { .addr = CC115L_SYNC1, .name = "SYNC1" },
+ { .addr = CC115L_SYNC0, .name = "SYNC0" },
+ { .addr = CC115L_PKTLEN, .name = "PKTLEN" },
+ { .addr = CC115L_PKTCTRL0, .name = "PKTCTRL0" },
+ { .addr = CC115L_CHANNR, .name = "CHANNR" },
+ { .addr = CC115L_FSCTRL0, .name = "FSCTRL0" },
+ { .addr = CC115L_FREQ2, .name = "FREQ2" },
+ { .addr = CC115L_FREQ1, .name = "FREQ1" },
+ { .addr = CC115L_FREQ0, .name = "FREQ0" },
+ { .addr = CC115L_MDMCFG4, .name = "MDMCFG4" },
+ { .addr = CC115L_MDMCFG3, .name = "MDMCFG3" },
+ { .addr = CC115L_MDMCFG2, .name = "MDMCFG2" },
+ { .addr = CC115L_MDMCFG1, .name = "MDMCFG1" },
+ { .addr = CC115L_MDMCFG0, .name = "MDMCFG0" },
+ { .addr = CC115L_DEVIATN, .name = "DEVIATN" },
+ { .addr = CC115L_MCSM1, .name = "MCSM1" },
+ { .addr = CC115L_MCSM0, .name = "MCSM0" },
+ { .addr = CC115L_RESERVED_0X20, .name = "RESERVED_0X20" },
+ { .addr = CC115L_FREND0, .name = "FREND0" },
+ { .addr = CC115L_FSCAL3, .name = "FSCAL3" },
+ { .addr = CC115L_FSCAL2, .name = "FSCAL2" },
+ { .addr = CC115L_FSCAL1, .name = "FSCAL1" },
+ { .addr = CC115L_FSCAL0, .name = "FSCAL0" },
+ { .addr = CC115L_RESERVED_0X29, .name = "RESERVED_0X29" },
+ { .addr = CC115L_RESERVED_0X2A, .name = "RESERVED_0X2A" },
+ { .addr = CC115L_RESERVED_0X2B, .name = "RESERVED_0X2B" },
+ { .addr = CC115L_TEST2, .name = "TEST2" },
+ { .addr = CC115L_TEST1, .name = "TEST1" },
+ { .addr = CC115L_TEST0, .name = "TEST0" },
+ { .addr = CC115L_PARTNUM, .name = "PARTNUM" },
+ { .addr = CC115L_VERSION, .name = "VERSION" },
+ { .addr = CC115L_MARCSTATE, .name = "MARCSTATE" },
+ { .addr = CC115L_PKTSTATUS, .name = "PKTSTATUS" },
+ { .addr = CC115L_TXBYTES, .name = "TXBYTES" },
+ { .addr = CC115L_PA, .name = "PA" },
+};
+
+#define AO_NUM_CC115L_REG (sizeof ao_cc115l_reg / sizeof ao_cc115l_reg[0])
+
static void ao_radio_show(void) {
uint8_t status = ao_radio_status();
- int i;
+ unsigned int i;
- ao_radio_get(0xff);
+ ao_radio_get();
status = ao_radio_status();
printf ("Status: %02x\n", status);
printf ("CHIP_RDY: %d\n", (status >> CC115L_STATUS_CHIP_RDY) & 1);
printf ("STATE: %s\n", cc115l_state_name[(status >> CC115L_STATUS_STATE) & CC115L_STATUS_STATE_MASK]);
printf ("MARC: %02x\n", ao_radio_get_marcstate());
+ for (i = 0; i < AO_NUM_CC115L_REG; i++)
+ printf ("\t%02x %-20.20s\n", ao_radio_reg_read(ao_cc115l_reg[i].addr), ao_cc115l_reg[i].name);
ao_radio_put();
}
ao_radio_send(packet, sizeof (packet));
}
+
#if HAS_APRS
#include <ao_aprs.h>
static void
ao_radio_aprs()
{
+#if PACKET_HAS_SLAVE
ao_packet_slave_stop();
+#endif
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));
ao_panic(AO_PANIC_SELF_TEST_CC115L);
#endif
- /* Enable the EXTI interrupt for the appropriate pin */
- ao_enable_port(AO_CC115L_INT_PORT);
- ao_exti_setup(AO_CC115L_INT_PORT, AO_CC115L_INT_PIN,
+ /* Enable the fifo threhold interrupt pin */
+ ao_enable_port(AO_CC115L_FIFO_INT_PORT);
+ ao_exti_setup(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN,
AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_HIGH,
- ao_radio_isr);
+ ao_radio_fifo_isr);
- /* Enable the hacked up GPIO3 pin */
- ao_enable_port(AO_CC115L_MCU_WAKEUP_PORT);
- ao_exti_setup(AO_CC115L_MCU_WAKEUP_PORT, AO_CC115L_MCU_WAKEUP_PIN,
+ /* Enable the tx done interrupt pin */
+ ao_enable_port(AO_CC115L_DONE_INT_PORT);
+ ao_exti_setup(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN,
AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_MED,
- ao_radio_mcu_wakeup_isr);
+ ao_radio_done_isr);
+
+ ao_radio_pa_init();
ao_cmd_register(&ao_radio_cmds[0]);
}
projects / fw / altos / blobdiff