2 * Copyright © 2013 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 #include <ao_cc115l.h>
21 #include <ao_telemetry.h>
24 #define AO_RADIO_MAX_SEND sizeof (struct ao_telemetry_generic)
26 uint8_t ao_radio_mutex;
28 static uint8_t ao_radio_fifo; /* fifo drained interrupt received */
29 static uint8_t ao_radio_done; /* tx done interrupt received */
30 static uint8_t ao_radio_wake; /* sleep address for radio interrupts */
31 static uint8_t ao_radio_abort; /* radio operation should abort */
32 static uint8_t ao_radio_mcu_wake; /* MARC status change */
33 static uint8_t ao_radio_marcstate; /* Last read MARC state value */
35 /* Debugging commands */
36 #define CC115L_DEBUG 0
39 #define CC115L_TRACE 0
43 #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)
44 #define ao_radio_deselect() ao_spi_put_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS)
45 #define ao_radio_spi_send(d,l) ao_spi_send((d), (l), AO_CC115L_SPI_BUS)
46 #define ao_radio_spi_send_fixed(d,l) ao_spi_send_fixed((d), (l), AO_CC115L_SPI_BUS)
47 #define ao_radio_spi_recv(d,l) ao_spi_recv((d), (l), AO_CC115L_SPI_BUS)
48 #define ao_radio_duplex(o,i,l) ao_spi_duplex((o), (i), (l), AO_CC115L_SPI_BUS)
50 struct ao_cc115l_reg {
57 const static struct ao_cc115l_reg ao_cc115l_reg[];
58 const static char *cc115l_state_name[];
60 enum ao_cc115l_trace_type {
68 struct ao_cc115l_trace {
69 enum ao_cc115l_trace_type type;
77 static struct ao_cc115l_trace trace[NUM_TRACE];
79 static int trace_disable;
81 static void trace_add(enum ao_cc115l_trace_type type, int16_t addr, int16_t value, const char *comment)
88 comment = ao_cc115l_reg[addr].name;
91 comment = cc115l_state_name[(value >> 4) & 0x7];
94 trace[trace_i].type = type;
95 trace[trace_i].addr = addr;
96 trace[trace_i].value = value;
97 trace[trace_i].comment = comment;
98 if (++trace_i == NUM_TRACE)
102 #define trace_add(t,a,v,c)
106 ao_radio_reg_read(uint8_t addr)
111 data[0] = ((1 << CC115L_READ) |
112 (0 << CC115L_BURST) |
115 ao_radio_spi_send(data, 1);
116 ao_radio_spi_recv(data, 1);
118 trace_add(trace_read, addr, data[0], NULL);
123 ao_radio_reg_write(uint8_t addr, uint8_t value)
128 trace_add(trace_write, addr, value, NULL);
129 data[0] = ((0 << CC115L_READ) |
130 (0 << CC115L_BURST) |
134 ao_radio_spi_send(data, 2);
139 ao_radio_burst_read_start (uint16_t addr)
144 data[0] = ((1 << CC115L_READ) |
145 (1 << CC115L_BURST) |
148 ao_radio_spi_send(data, 1);
152 ao_radio_burst_read_stop (void)
159 ao_radio_strobe(uint8_t addr)
164 ao_radio_duplex(&addr, &in, 1);
166 trace_add(trace_strobe, addr, in, NULL);
171 ao_radio_fifo_write_start(void)
173 uint8_t addr = ((0 << CC115L_READ) |
174 (1 << CC115L_BURST) |
179 ao_radio_duplex(&addr, &status, 1);
183 static inline uint8_t ao_radio_fifo_write_stop(uint8_t status) {
189 ao_radio_fifo_write(uint8_t *data, uint8_t len)
191 uint8_t status = ao_radio_fifo_write_start();
192 trace_add(trace_dma, CC115L_FIFO, len, NULL);
193 ao_radio_spi_send(data, len);
194 return ao_radio_fifo_write_stop(status);
198 ao_radio_tx_fifo_space(void)
200 return CC115L_FIFO_SIZE - (ao_radio_reg_read(CC115L_TXBYTES) & CC115L_TXBYTES_NUM_TX_BYTES_MASK);
204 ao_radio_status(void)
206 return ao_radio_strobe (CC115L_SNOP);
209 #define ao_radio_rdf_value 0x55
212 ao_radio_get_marcstate(void)
214 return ao_radio_reg_read(CC115L_MARCSTATE) & CC115L_MARCSTATE_MASK;
218 ao_radio_done_isr(void)
220 ao_exti_disable(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN);
221 trace_add(trace_line, __LINE__, 0, "done_isr");
223 ao_wakeup(&ao_radio_wake);
227 ao_radio_fifo_isr(void)
229 ao_exti_disable(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN);
230 trace_add(trace_line, __LINE__, 0, "fifo_isr");
232 ao_wakeup(&ao_radio_wake);
236 ao_radio_start_tx(void)
245 uint8_t state = ao_radio_strobe(CC115L_SIDLE);
246 if ((state >> CC115L_STATUS_STATE) == CC115L_STATUS_STATE_IDLE)
249 /* Flush any pending TX bytes */
250 ao_radio_strobe(CC115L_SFTX);
254 * Packet deviation is 20.5kHz
256 * fdev = fosc >> 17 * (8 + dev_m) << dev_e
258 * 26e6 / (2 ** 17) * (8 + 5) * (2 ** 3) = 20630Hz
261 #define PACKET_DEV_E 3
262 #define PACKET_DEV_M 5
265 * For our packet data, set the symbol rate to 38400 Baud
267 * (256 + DATARATE_M) * 2 ** DATARATE_E
268 * Rdata = -------------------------------------- * fosc
271 * (256 + 131) * (2 ** 10) / (2**28) * 26e6 = 38383
276 #define PACKET_DRATE_E 10
277 #define PACKET_DRATE_M 131
279 static const uint16_t packet_setup[] = {
280 CC115L_DEVIATN, ((PACKET_DEV_E << CC115L_DEVIATN_DEVIATION_E) |
281 (PACKET_DEV_M << CC115L_DEVIATN_DEVIATION_M)),
282 CC115L_MDMCFG4, ((0xf << 4) |
283 (PACKET_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
284 CC115L_MDMCFG3, (PACKET_DRATE_M),
285 CC115L_MDMCFG2, (0x00 |
286 (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
287 (0 << CC115L_MDMCFG2_MANCHESTER_EN) |
288 (CC115L_MDMCFG2_SYNC_MODE_16BITS << CC115L_MDMCFG2_SYNC_MODE)),
293 * RDF deviation is 5kHz
295 * fdev = fosc >> 17 * (8 + dev_m) << dev_e
297 * 26e6 / (2 ** 17) * (8 + 4) * (2 ** 1) = 4761Hz
304 * For our RDF beacon, set the symbol rate to 2kBaud (for a 1kHz tone)
306 * (256 + DATARATE_M) * 2 ** DATARATE_E
307 * Rdata = -------------------------------------- * fosc
310 * (256 + 67) * (2 ** 6) / (2**28) * 26e6 = 2002
315 #define RDF_DRATE_E 6
316 #define RDF_DRATE_M 67
318 static const uint16_t rdf_setup[] = {
319 CC115L_DEVIATN, ((RDF_DEV_E << CC115L_DEVIATN_DEVIATION_E) |
320 (RDF_DEV_M << CC115L_DEVIATN_DEVIATION_M)),
321 CC115L_MDMCFG4, ((0xf << 4) |
322 (RDF_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
323 CC115L_MDMCFG3, (RDF_DRATE_M),
324 CC115L_MDMCFG2, (0x00 |
325 (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
326 (0 << CC115L_MDMCFG2_MANCHESTER_EN) |
327 (CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
331 * APRS deviation is 3kHz
333 * 26e6 / (2 ** 17) * (8 + 7) * (2 ** 0) = 2975
340 * For our APRS beacon, set the symbol rate to 9.6kBaud (8x oversampling for 1200 baud data rate)
342 * (256 + DATARATE_M) * 2 ** DATARATE_E
343 * Rdata = -------------------------------------- * fosc
346 * (256 + 131) * (2 ** 8) / (2**28) * 26e6 = 9596
352 #define APRS_DRATE_E 8
353 #define APRS_DRATE_M 131
355 static const uint16_t aprs_setup[] = {
356 CC115L_DEVIATN, ((APRS_DEV_E << CC115L_DEVIATN_DEVIATION_E) |
357 (APRS_DEV_M << CC115L_DEVIATN_DEVIATION_M)),
358 CC115L_MDMCFG4, ((0xf << 4) |
359 (APRS_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
360 CC115L_MDMCFG3, (APRS_DRATE_M),
361 CC115L_MDMCFG2, (0x00 |
362 (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
363 (0 << CC115L_MDMCFG2_MANCHESTER_EN) |
364 (CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
367 #define AO_PKTCTRL0_INFINITE ((CC115L_PKTCTRL0_PKT_FORMAT_NORMAL << CC115L_PKTCTRL0_PKT_FORMAT) | \
368 (0 << CC115L_PKTCTRL0_PKT_CRC_EN) | \
369 (CC115L_PKTCTRL0_PKT_LENGTH_CONFIG_INFINITE << CC115L_PKTCTRL0_PKT_LENGTH_CONFIG))
370 #define AO_PKTCTRL0_FIXED ((CC115L_PKTCTRL0_PKT_FORMAT_NORMAL << CC115L_PKTCTRL0_PKT_FORMAT) | \
371 (0 << CC115L_PKTCTRL0_PKT_CRC_EN) | \
372 (CC115L_PKTCTRL0_PKT_LENGTH_CONFIG_FIXED << CC115L_PKTCTRL0_PKT_LENGTH_CONFIG))
374 static uint16_t ao_radio_mode;
378 * These set the data rate and modulation parameters
380 #define AO_RADIO_MODE_BITS_PACKET_TX 1
381 #define AO_RADIO_MODE_BITS_RDF 2
382 #define AO_RADIO_MODE_BITS_APRS 4
385 * Flips between infinite packet mode and fixed packet mode;
386 * we use infinite mode until the sender gives us the
389 #define AO_RADIO_MODE_BITS_INFINITE 40
390 #define AO_RADIO_MODE_BITS_FIXED 80
392 #define AO_RADIO_MODE_NONE 0
394 #define AO_RADIO_MODE_RDF AO_RADIO_MODE_BITS_RDF
395 #define AO_RADIO_MODE_PACKET_TX AO_RADIO_MODE_BITS_PACKET_TX
396 #define AO_RADIO_MODE_APRS AO_RADIO_MODE_BITS_APRS
399 ao_radio_set_mode(uint16_t new_mode)
404 if (new_mode == ao_radio_mode)
407 changes = new_mode & (~ao_radio_mode);
408 if (changes & AO_RADIO_MODE_BITS_PACKET_TX)
409 for (i = 0; i < sizeof (packet_setup) / sizeof (packet_setup[0]); i += 2)
410 ao_radio_reg_write(packet_setup[i], packet_setup[i+1]);
412 if (changes & AO_RADIO_MODE_BITS_RDF)
413 for (i = 0; i < sizeof (rdf_setup) / sizeof (rdf_setup[0]); i += 2)
414 ao_radio_reg_write(rdf_setup[i], rdf_setup[i+1]);
416 if (changes & AO_RADIO_MODE_BITS_APRS)
417 for (i = 0; i < sizeof (aprs_setup) / sizeof (aprs_setup[0]); i += 2)
418 ao_radio_reg_write(aprs_setup[i], aprs_setup[i+1]);
420 if (changes & AO_RADIO_MODE_BITS_INFINITE)
421 ao_radio_reg_write(CC115L_PKTCTRL0, AO_PKTCTRL0_INFINITE);
423 if (changes & AO_RADIO_MODE_BITS_FIXED)
424 ao_radio_reg_write(CC115L_PKTCTRL0, AO_PKTCTRL0_FIXED);
426 ao_radio_mode = new_mode;
429 /***************************************************************
430 * SmartRF Studio(tm) Export
432 * Radio register settings specifed with address, value
436 ***************************************************************/
438 static const uint16_t radio_setup[] = {
440 /* High when FIFO is above threshold, low when fifo is below threshold */
441 AO_CC115L_FIFO_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_TXFIFO_THR,
443 /* High when transmitter is running, low when off */
444 AO_CC115L_DONE_INT_GPIO_IOCFG, CC115L_IOCFG_GPIO_CFG_PA_PD | (1 << CC115L_IOCFG_GPIO_INV),
446 CC115L_FIFOTHR, 0x47, /* TX FIFO Thresholds */
447 CC115L_MDMCFG1, (0x00 |
448 (CC115L_MDMCFG1_NUM_PREAMBLE_4 << CC115L_MDMCFG1_NUM_PREAMBLE) |
449 (1 << CC115L_MDMCFG1_CHANSPC_E)),
450 CC115L_MDMCFG0, 248, /* Channel spacing M value (100kHz channels) */
451 CC115L_MCSM0, 0x38, /* Main Radio Control State Machine Configuration */
452 CC115L_RESERVED_0X20, 0xfb, /* Use setting from SmartRF Studio */
453 CC115L_FSCAL3, 0xe9, /* Frequency Synthesizer Calibration */
454 CC115L_FSCAL2, 0x2a, /* Frequency Synthesizer Calibration */
455 CC115L_FSCAL1, 0x00, /* Frequency Synthesizer Calibration */
456 CC115L_FSCAL0, 0x1f, /* Frequency Synthesizer Calibration */
457 CC115L_TEST2, 0x81, /* Various Test Settings */
458 CC115L_TEST1, 0x35, /* Various Test Settings */
459 CC115L_TEST0, 0x09, /* Various Test Settings */
462 static uint8_t ao_radio_configured = 0;
469 ao_radio_strobe(CC115L_SRES);
470 ao_delay(AO_MS_TO_TICKS(10));
472 for (i = 0; i < sizeof (radio_setup) / sizeof (radio_setup[0]); i += 2)
473 ao_radio_reg_write(radio_setup[i], radio_setup[i+1]);
479 ao_radio_configured = 1;
483 ao_radio_set_len(uint8_t len)
485 static uint8_t last_len;
487 if (len != last_len) {
488 ao_radio_reg_write(CC115L_PKTLEN, len);
496 static uint32_t last_radio_setting;
497 static uint8_t last_power_setting;
499 ao_mutex_get(&ao_radio_mutex);
500 if (!ao_radio_configured)
502 if (ao_config.radio_setting != last_radio_setting) {
503 ao_radio_reg_write(CC115L_FREQ2, ao_config.radio_setting >> 16);
504 ao_radio_reg_write(CC115L_FREQ1, ao_config.radio_setting >> 8);
505 ao_radio_reg_write(CC115L_FREQ0, ao_config.radio_setting);
506 last_radio_setting = ao_config.radio_setting;
508 if (ao_config.radio_power != last_power_setting) {
509 ao_radio_reg_write(CC115L_PA, ao_config.radio_power);
510 last_power_setting = ao_config.radio_power;
515 _ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode);
517 #define ao_radio_put() ao_mutex_put(&ao_radio_mutex)
519 struct ao_radio_tone {
524 struct ao_radio_tone *ao_radio_tone;
525 uint8_t ao_radio_tone_count;
526 uint8_t ao_radio_tone_current;
527 uint8_t ao_radio_tone_offset;
530 ao_radio_tone_fill(uint8_t *buf, int16_t len)
536 struct ao_radio_tone *t;
538 /* Figure out how many to send of the current value */
539 t = &ao_radio_tone[ao_radio_tone_current];
540 this_time = t->len - ao_radio_tone_offset;
545 memset(buf, t->value, this_time);
549 ao_radio_tone_offset += this_time;
552 if (ao_radio_tone_offset >= t->len) {
553 ao_radio_tone_offset = 0;
554 ao_radio_tone_current++;
555 if (ao_radio_tone_current >= ao_radio_tone_count) {
556 trace_add(trace_line, __LINE__, ret, "done with tone");
561 trace_add(trace_line, __LINE__, ret, "got some tone");
566 ao_radio_tone_run(struct ao_radio_tone *tones, int ntones)
569 ao_radio_tone = tones;
570 ao_radio_tone_current = 0;
571 ao_radio_tone_offset = 0;
572 _ao_radio_send_lots(ao_radio_tone_fill, AO_RADIO_MODE_RDF);
579 struct ao_radio_tone tone;
581 tone.value = ao_radio_rdf_value;
582 tone.len = AO_RADIO_RDF_LEN;
583 ao_radio_tone_run(&tone, 1);
587 ao_radio_continuity(uint8_t c)
589 struct ao_radio_tone tones[7];
593 for (i = 0; i < 3; i++) {
594 tones[count].value = 0x00;
595 tones[count].len = AO_RADIO_CONT_PAUSE_LEN;
598 tones[count].value = ao_radio_rdf_value;
600 tones[count].value = 0x00;
601 tones[count].len = AO_RADIO_CONT_TONE_LEN;
604 tones[count].value = 0x00;
605 tones[count].len = AO_RADIO_CONT_PAUSE_LEN;
607 ao_radio_tone_run(tones, count);
611 ao_radio_rdf_abort(void)
614 ao_wakeup(&ao_radio_wake);
618 ao_radio_test_cmd(void)
621 static uint8_t radio_on;
623 if (ao_cmd_lex_c != '\n') {
625 mode = (uint8_t) ao_cmd_lex_u32;
628 if ((mode & 2) && !radio_on) {
630 ao_monitor_disable();
633 ao_packet_slave_stop();
636 ao_radio_set_len(0xff);
637 ao_radio_set_mode(AO_RADIO_MODE_RDF|AO_RADIO_MODE_BITS_FIXED);
638 ao_radio_strobe(CC115L_SFTX);
640 ao_radio_strobe(CC115L_STX);
644 printf ("Hit a character to stop..."); flush();
648 if ((mode & 1) && radio_on) {
658 static inline int16_t
659 ao_radio_gpio_bits(void)
661 return AO_CC115L_DONE_INT_PORT->idr & ((1 << AO_CC115L_FIFO_INT_PIN) |
662 (1 << AO_CC115L_DONE_INT_PIN));
666 ao_radio_wait_fifo(void)
668 ao_arch_block_interrupts();
669 while (!ao_radio_fifo && !ao_radio_done && !ao_radio_abort) {
670 trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wait_fifo");
671 ao_sleep(&ao_radio_wake);
673 ao_arch_release_interrupts();
674 trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wake bits");
675 trace_add(trace_line, __LINE__, ao_radio_fifo, "wake fifo");
676 trace_add(trace_line, __LINE__, ao_radio_done, "wake done");
677 trace_add(trace_line, __LINE__, ao_radio_abort, "wake abort");
681 ao_radio_wait_done(void)
683 ao_arch_block_interrupts();
684 while (!ao_radio_done && !ao_radio_abort) {
685 trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wait_done");
686 ao_sleep(&ao_radio_wake);
688 ao_arch_release_interrupts();
689 trace_add(trace_line, __LINE__, ao_radio_gpio_bits(), "wake bits");
690 trace_add(trace_line, __LINE__, ao_radio_fifo, "wake fifo");
691 trace_add(trace_line, __LINE__, ao_radio_done, "wake done");
692 trace_add(trace_line, __LINE__, ao_radio_abort, "wake abort");
695 static uint8_t tx_data[(AO_RADIO_MAX_SEND + 4) * 2];
697 static uint8_t *ao_radio_send_buf;
698 static int16_t ao_radio_send_len;
701 ao_radio_send_fill(uint8_t *buf, int16_t len)
705 this_time = ao_radio_send_len;
708 memcpy(buf, ao_radio_send_buf, this_time);
709 ao_radio_send_buf += this_time;
710 ao_radio_send_len -= this_time;
711 if (ao_radio_send_len == 0)
717 ao_radio_send(const void *d, uint8_t size)
722 ao_radio_send_len = ao_fec_encode(d, size, tx_data);
723 ao_radio_send_buf = tx_data;
724 _ao_radio_send_lots(ao_radio_send_fill, AO_RADIO_MODE_PACKET_TX);
728 #define AO_RADIO_LOTS 64
731 _ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
733 uint8_t buf[AO_RADIO_LOTS], *b;
740 fifo_space = CC115L_FIFO_SIZE;
744 cnt = (*fill)(buf, sizeof(buf));
745 trace_add(trace_line, __LINE__, cnt, "send data count");
752 /* At the last buffer, set the total length */
754 ao_radio_set_len(total & 0xff);
755 ao_radio_set_mode(mode | AO_RADIO_MODE_BITS_FIXED);
757 ao_radio_set_len(0xff);
758 ao_radio_set_mode(mode | AO_RADIO_MODE_BITS_INFINITE);
763 uint8_t this_len = cnt;
765 /* Wait for some space in the fifo */
766 while (!ao_radio_abort && (fifo_space = ao_radio_tx_fifo_space()) == 0) {
767 trace_add(trace_line, __LINE__, this_len, "wait for space");
768 ao_radio_wait_fifo();
770 if (ao_radio_abort || ao_radio_done)
772 trace_add(trace_line, __LINE__, fifo_space, "got space");
773 if (this_len > fifo_space)
774 this_len = fifo_space;
780 ao_radio_fifo_write(b, this_len);
783 ao_exti_enable(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN);
784 ao_exti_enable(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN);
788 ao_radio_strobe(CC115L_STX);
792 if (ao_radio_abort || ao_radio_done)
797 ao_radio_wait_done();
802 ao_radio_send_aprs(ao_radio_fill_func fill)
805 _ao_radio_send_lots(fill, AO_RADIO_MODE_APRS);
810 const static char *cc115l_state_name[] = {
811 [CC115L_STATUS_STATE_IDLE] = "IDLE",
812 [CC115L_STATUS_STATE_TX] = "TX",
813 [CC115L_STATUS_STATE_FSTXON] = "FSTXON",
814 [CC115L_STATUS_STATE_CALIBRATE] = "CALIBRATE",
815 [CC115L_STATUS_STATE_SETTLING] = "SETTLING",
816 [CC115L_STATUS_STATE_TX_FIFO_UNDERFLOW] = "TX_FIFO_UNDERFLOW",
819 const static struct ao_cc115l_reg ao_cc115l_reg[] = {
820 { .addr = CC115L_IOCFG2, .name = "IOCFG2" },
821 { .addr = CC115L_IOCFG1, .name = "IOCFG1" },
822 { .addr = CC115L_IOCFG0, .name = "IOCFG0" },
823 { .addr = CC115L_FIFOTHR, .name = "FIFOTHR" },
824 { .addr = CC115L_SYNC1, .name = "SYNC1" },
825 { .addr = CC115L_SYNC0, .name = "SYNC0" },
826 { .addr = CC115L_PKTLEN, .name = "PKTLEN" },
827 { .addr = CC115L_PKTCTRL0, .name = "PKTCTRL0" },
828 { .addr = CC115L_CHANNR, .name = "CHANNR" },
829 { .addr = CC115L_FSCTRL0, .name = "FSCTRL0" },
830 { .addr = CC115L_FREQ2, .name = "FREQ2" },
831 { .addr = CC115L_FREQ1, .name = "FREQ1" },
832 { .addr = CC115L_FREQ0, .name = "FREQ0" },
833 { .addr = CC115L_MDMCFG4, .name = "MDMCFG4" },
834 { .addr = CC115L_MDMCFG3, .name = "MDMCFG3" },
835 { .addr = CC115L_MDMCFG2, .name = "MDMCFG2" },
836 { .addr = CC115L_MDMCFG1, .name = "MDMCFG1" },
837 { .addr = CC115L_MDMCFG0, .name = "MDMCFG0" },
838 { .addr = CC115L_DEVIATN, .name = "DEVIATN" },
839 { .addr = CC115L_MCSM1, .name = "MCSM1" },
840 { .addr = CC115L_MCSM0, .name = "MCSM0" },
841 { .addr = CC115L_RESERVED_0X20, .name = "RESERVED_0X20" },
842 { .addr = CC115L_FREND0, .name = "FREND0" },
843 { .addr = CC115L_FSCAL3, .name = "FSCAL3" },
844 { .addr = CC115L_FSCAL2, .name = "FSCAL2" },
845 { .addr = CC115L_FSCAL1, .name = "FSCAL1" },
846 { .addr = CC115L_FSCAL0, .name = "FSCAL0" },
847 { .addr = CC115L_RESERVED_0X29, .name = "RESERVED_0X29" },
848 { .addr = CC115L_RESERVED_0X2A, .name = "RESERVED_0X2A" },
849 { .addr = CC115L_RESERVED_0X2B, .name = "RESERVED_0X2B" },
850 { .addr = CC115L_TEST2, .name = "TEST2" },
851 { .addr = CC115L_TEST1, .name = "TEST1" },
852 { .addr = CC115L_TEST0, .name = "TEST0" },
853 { .addr = CC115L_PARTNUM, .name = "PARTNUM" },
854 { .addr = CC115L_VERSION, .name = "VERSION" },
855 { .addr = CC115L_MARCSTATE, .name = "MARCSTATE" },
856 { .addr = CC115L_PKTSTATUS, .name = "PKTSTATUS" },
857 { .addr = CC115L_TXBYTES, .name = "TXBYTES" },
858 { .addr = CC115L_PA, .name = "PA" },
861 #define AO_NUM_CC115L_REG (sizeof ao_cc115l_reg / sizeof ao_cc115l_reg[0])
863 static void ao_radio_show(void) {
864 uint8_t status = ao_radio_status();
868 status = ao_radio_status();
869 printf ("Status: %02x\n", status);
870 printf ("CHIP_RDY: %d\n", (status >> CC115L_STATUS_CHIP_RDY) & 1);
871 printf ("STATE: %s\n", cc115l_state_name[(status >> CC115L_STATUS_STATE) & CC115L_STATUS_STATE_MASK]);
872 printf ("MARC: %02x\n", ao_radio_get_marcstate());
874 for (i = 0; i < AO_NUM_CC115L_REG; i++)
875 printf ("\t%02x %-20.20s\n", ao_radio_reg_read(ao_cc115l_reg[i].addr), ao_cc115l_reg[i].name);
879 static void ao_radio_beep(void) {
883 static void ao_radio_packet(void) {
884 static const uint8_t packet[] = {
886 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
887 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
888 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
889 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
895 ao_radio_send(packet, sizeof (packet));
898 #endif /* CC115L_DEBUG */
907 ao_packet_slave_stop();
913 static const struct ao_cmds ao_radio_cmds[] = {
914 { ao_radio_test_cmd, "C <1 start, 0 stop, none both>\0Radio carrier test" },
917 { ao_radio_aprs, "G\0Send APRS packet" },
919 { ao_radio_show, "R\0Show CC115L status" },
920 { ao_radio_beep, "b\0Emit an RDF beacon" },
921 { ao_radio_packet, "p\0Send a test packet" },
931 ao_radio_configured = 0;
932 ao_spi_init_cs (AO_CC115L_SPI_CS_PORT, (1 << AO_CC115L_SPI_CS_PIN));
935 AO_CC115L_SPI_CS_PORT->bsrr = ((uint32_t) (1 << AO_CC115L_SPI_CS_PIN));
936 for (i = 0; i < 10000; i++) {
937 if ((SPI_2_PORT->idr & (1 << SPI_2_MISO_PIN)) == 0)
940 AO_CC115L_SPI_CS_PORT->bsrr = (1 << AO_CC115L_SPI_CS_PIN);
942 ao_panic(AO_PANIC_SELF_TEST_CC115L);
945 /* Enable the fifo threhold interrupt pin */
946 ao_enable_port(AO_CC115L_FIFO_INT_PORT);
947 ao_exti_setup(AO_CC115L_FIFO_INT_PORT, AO_CC115L_FIFO_INT_PIN,
948 AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_HIGH,
951 /* Enable the tx done interrupt pin */
952 ao_enable_port(AO_CC115L_DONE_INT_PORT);
953 ao_exti_setup(AO_CC115L_DONE_INT_PORT, AO_CC115L_DONE_INT_PIN,
954 AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_MED,
959 ao_cmd_register(&ao_radio_cmds[0]);