diff options
Diffstat (limited to 'src/drivers/ao_cc1120.c')
| -rw-r--r-- | src/drivers/ao_cc1120.c | 338 |
1 files changed, 248 insertions, 90 deletions
diff --git a/src/drivers/ao_cc1120.c b/src/drivers/ao_cc1120.c index 31225939..3ea8b704 100644 --- a/src/drivers/ao_cc1120.c +++ b/src/drivers/ao_cc1120.c @@ -41,8 +41,10 @@ extern const uint32_t ao_radio_cal; #define FOSC 32000000 +#define ao_radio_try_select(task_id) ao_spi_try_get_mask(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN),AO_CC1120_SPI_BUS,AO_SPI_SPEED_4MHz, task_id) #define ao_radio_select() ao_spi_get_mask(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN),AO_CC1120_SPI_BUS,AO_SPI_SPEED_4MHz) #define ao_radio_deselect() ao_spi_put_mask(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN),AO_CC1120_SPI_BUS) +#define ao_radio_spi_send_sync(d,l) ao_spi_send_sync((d), (l), AO_CC1120_SPI_BUS) #define ao_radio_spi_send(d,l) ao_spi_send((d), (l), AO_CC1120_SPI_BUS) #define ao_radio_spi_send_fixed(d,l) ao_spi_send_fixed((d), (l), AO_CC1120_SPI_BUS) #define ao_radio_spi_recv(d,l) ao_spi_recv((d), (l), AO_CC1120_SPI_BUS) @@ -107,7 +109,7 @@ ao_radio_reg_write(uint16_t addr, uint8_t value) } static void -ao_radio_burst_read_start (uint16_t addr) +_ao_radio_burst_read_start (uint16_t addr) { uint8_t data[2]; uint8_t d; @@ -124,8 +126,8 @@ ao_radio_burst_read_start (uint16_t addr) addr); d = 1; } - ao_radio_select(); - ao_radio_spi_send(data, d); + + ao_radio_spi_send_sync(data, d); } static void @@ -209,7 +211,7 @@ ao_radio_tx_fifo_space(void) return CC1120_FIFO_SIZE - ao_radio_reg_read(CC1120_NUM_TXBYTES); } -#if 0 +#if CC1120_DEBUG static uint8_t ao_radio_status(void) { @@ -245,7 +247,7 @@ ao_radio_check_marc_status(void) { ao_radio_mcu_wake = 0; ao_radio_marc_status = ao_radio_get_marc_status(); - + /* Anyt other than 'tx/rx finished' means an error occurred */ if (ao_radio_marc_status & ~(CC1120_MARC_STATUS1_TX_FINISHED|CC1120_MARC_STATUS1_RX_FINISHED)) ao_radio_abort = 1; @@ -275,48 +277,102 @@ static void ao_radio_idle(void) { for (;;) { - uint8_t state = ao_radio_strobe(CC1120_SIDLE); - if ((state >> CC1120_STATUS_STATE) == CC1120_STATUS_STATE_IDLE) + uint8_t state = (ao_radio_strobe(CC1120_SIDLE) >> CC1120_STATUS_STATE) & CC1120_STATUS_STATE_MASK; + if (state == CC1120_STATUS_STATE_IDLE) break; - if ((state >> CC1120_STATUS_STATE) == CC1120_STATUS_STATE_TX_FIFO_ERROR) + if (state == CC1120_STATUS_STATE_TX_FIFO_ERROR) ao_radio_strobe(CC1120_SFTX); + if (state == CC1120_STATUS_STATE_RX_FIFO_ERROR) + ao_radio_strobe(CC1120_SFRX); } /* Flush any pending TX bytes */ ao_radio_strobe(CC1120_SFTX); } /* - * Packet deviation is 20.5kHz + * Packet deviation * * fdev = fosc >> 24 * (256 + dev_m) << dev_e * + * Deviation for 38400 baud should be 20.5kHz: + * * 32e6Hz / (2 ** 24) * (256 + 80) * (2 ** 5) = 20508Hz + * + * Deviation for 9600 baud should be 5.125kHz: + * + * 32e6Hz / (2 ** 24) * (256 + 80) * (2 ** 3) = 5127Hz + * + * Deviation for 2400 baud should be 1.28125kHz, but cc1111 and + * cc115l can't do that, so we'll use 1.5kHz instead: + * + * 32e6Hz / (2 ** 24) * (256 + 137) * (2 ** 1) = 1499Hz */ -#define PACKET_DEV_E 5 -#define PACKET_DEV_M 80 +#define PACKET_DEV_M_384 80 +#define PACKET_DEV_E_384 5 + +#define PACKET_DEV_M_96 80 +#define PACKET_DEV_E_96 3 + +#define PACKET_DEV_M_24 137 +#define PACKET_DEV_E_24 1 /* - * For our packet data, set the symbol rate to 38400 Baud + * For our packet data * * (2**20 + DATARATE_M) * 2 ** DATARATE_E * Rdata = -------------------------------------- * fosc * 2 ** 39 * + * Given the bit period of the baseband, T, the bandwidth of the + * baseband signal is B = 1/(2T). The overall bandwidth of the + * modulated signal is then Channel bandwidth = 2Δf + 2B. + * + * 38400 -- 2 * 20500 + 38400 = 79.4 kHz + * 9600 -- 2 * 5.125 + 9600 = 19.9 kHz + * 2400 -- 2 * 1.5 + 2400 = 5.4 khz + * + * Symbol rate 38400 Baud: * * DATARATE_M = 239914 * DATARATE_E = 9 + * CHANBW = 79.4 (round to 100) + * + * Symbol rate 9600 Baud: + * + * DATARATE_M = 239914 + * DATARATE_E = 7 + * CHANBW = 19.9 (round to 20) + * + * Symbol rate 2400 Baud: + * + * DATARATE_M = 239914 + * DATARATE_E = 5 + * CHANBW = 5.0 (round to 8.0) */ -#define PACKET_DRATE_E 9 + #define PACKET_DRATE_M 239914 +#define PACKET_DRATE_E_384 9 + +/* 200 / 2 = 100 */ +#define PACKET_CHAN_BW_384 ((0 << CC1120_CHAN_BW_CHFILT_BYPASS) | \ + (CC1120_CHAN_BW_ADC_CIC_DECFACT_20 << CC1120_CHAN_BW_ADC_CIC_DECFACT) | \ + (2 << CC1120_CHAN_BW_BB_CIC_DECFACT)) + +#define PACKET_DRATE_E_96 7 +/* 200 / 10 = 20 */ +#define PACKET_CHAN_BW_96 ((0 << CC1120_CHAN_BW_CHFILT_BYPASS) | \ + (CC1120_CHAN_BW_ADC_CIC_DECFACT_20 << CC1120_CHAN_BW_ADC_CIC_DECFACT) | \ + (10 << CC1120_CHAN_BW_BB_CIC_DECFACT)) + +#define PACKET_DRATE_E_24 5 +/* 200 / 25 = 8 */ +#define PACKET_CHAN_BW_24 ((0 << CC1120_CHAN_BW_CHFILT_BYPASS) | \ + (CC1120_CHAN_BW_ADC_CIC_DECFACT_20 << CC1120_CHAN_BW_ADC_CIC_DECFACT) | \ + (25 << CC1120_CHAN_BW_BB_CIC_DECFACT)) + static const uint16_t packet_setup[] = { - CC1120_DEVIATION_M, PACKET_DEV_M, - CC1120_MODCFG_DEV_E, ((CC1120_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1120_MODCFG_DEV_E_MODEM_MODE) | - (CC1120_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1120_MODCFG_DEV_E_MOD_FORMAT) | - (PACKET_DEV_E << CC1120_MODCFG_DEV_E_DEV_E)), - CC1120_DRATE2, ((PACKET_DRATE_E << CC1120_DRATE2_DATARATE_E) | - (((PACKET_DRATE_M >> 16) & CC1120_DRATE2_DATARATE_M_19_16_MASK) << CC1120_DRATE2_DATARATE_M_19_16)), CC1120_DRATE1, ((PACKET_DRATE_M >> 8) & 0xff), CC1120_DRATE0, ((PACKET_DRATE_M >> 0) & 0xff), CC1120_PKT_CFG2, ((CC1120_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1120_PKT_CFG2_CCA_MODE) | @@ -335,6 +391,39 @@ static const uint16_t packet_setup[] = { AO_CC1120_MARC_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_MARC_MCU_WAKEUP, }; +static const uint16_t packet_setup_384[] = { + CC1120_DEVIATION_M, PACKET_DEV_M_384, + CC1120_MODCFG_DEV_E, ((CC1120_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1120_MODCFG_DEV_E_MODEM_MODE) | + (CC1120_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1120_MODCFG_DEV_E_MOD_FORMAT) | + (PACKET_DEV_E_384 << CC1120_MODCFG_DEV_E_DEV_E)), + CC1120_DRATE2, ((PACKET_DRATE_E_384 << CC1120_DRATE2_DATARATE_E) | + (((PACKET_DRATE_M >> 16) & CC1120_DRATE2_DATARATE_M_19_16_MASK) << CC1120_DRATE2_DATARATE_M_19_16)), + CC1120_CHAN_BW, PACKET_CHAN_BW_384, + CC1120_PA_CFG0, 0x7b, +}; + +static const uint16_t packet_setup_96[] = { + CC1120_DEVIATION_M, PACKET_DEV_M_96, + CC1120_MODCFG_DEV_E, ((CC1120_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1120_MODCFG_DEV_E_MODEM_MODE) | + (CC1120_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1120_MODCFG_DEV_E_MOD_FORMAT) | + (PACKET_DEV_E_96 << CC1120_MODCFG_DEV_E_DEV_E)), + CC1120_DRATE2, ((PACKET_DRATE_E_96 << CC1120_DRATE2_DATARATE_E) | + (((PACKET_DRATE_M >> 16) & CC1120_DRATE2_DATARATE_M_19_16_MASK) << CC1120_DRATE2_DATARATE_M_19_16)), + CC1120_CHAN_BW, PACKET_CHAN_BW_96, + CC1120_PA_CFG0, 0x7d, +}; + +static const uint16_t packet_setup_24[] = { + CC1120_DEVIATION_M, PACKET_DEV_M_24, + CC1120_MODCFG_DEV_E, ((CC1120_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1120_MODCFG_DEV_E_MODEM_MODE) | + (CC1120_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1120_MODCFG_DEV_E_MOD_FORMAT) | + (PACKET_DEV_E_24 << CC1120_MODCFG_DEV_E_DEV_E)), + CC1120_DRATE2, ((PACKET_DRATE_E_24 << CC1120_DRATE2_DATARATE_E) | + (((PACKET_DRATE_M >> 16) & CC1120_DRATE2_DATARATE_M_19_16_MASK) << CC1120_DRATE2_DATARATE_M_19_16)), + CC1120_CHAN_BW, PACKET_CHAN_BW_24, + CC1120_PA_CFG0, 0x7e, +}; + static const uint16_t packet_tx_setup[] = { CC1120_PKT_CFG2, ((CC1120_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1120_PKT_CFG2_CCA_MODE) | (CC1120_PKT_CFG2_PKT_FORMAT_NORMAL << CC1120_PKT_CFG2_PKT_FORMAT)), @@ -397,6 +486,7 @@ static const uint16_t rdf_setup[] = { (0 << CC1120_PKT_CFG0_UART_SWAP_EN)), CC1120_PREAMBLE_CFG1, ((CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_NONE << CC1120_PREAMBLE_CFG1_NUM_PREAMBLE) | (CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1120_PREAMBLE_CFG1_PREAMBLE_WORD)), + CC1120_PA_CFG0, 0x7e, }; /* @@ -443,6 +533,7 @@ static const uint16_t aprs_setup[] = { (0 << CC1120_PKT_CFG1_APPEND_STATUS)), CC1120_PREAMBLE_CFG1, ((CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_NONE << CC1120_PREAMBLE_CFG1_NUM_PREAMBLE) | (CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1120_PREAMBLE_CFG1_PREAMBLE_WORD)), + CC1120_PA_CFG0, 0x7d, }; /* @@ -506,23 +597,48 @@ static uint16_t ao_radio_mode; #define AO_RADIO_MODE_TEST (AO_RADIO_MODE_BITS_TEST | AO_RADIO_MODE_BITS_INFINITE | AO_RADIO_MODE_BITS_TX_BUF) static void +_ao_radio_set_regs(const uint16_t *regs, int nreg) +{ + int i; + + for (i = 0; i < nreg; i++) { + ao_radio_reg_write(regs[0], regs[1]); + regs += 2; + } +} + +#define ao_radio_set_regs(setup) _ao_radio_set_regs(setup, (sizeof (setup) / sizeof(setup[0])) >> 1) + +static void ao_radio_set_mode(uint16_t new_mode) { uint16_t changes; - unsigned int i; if (new_mode == ao_radio_mode) return; changes = new_mode & (~ao_radio_mode); - if (changes & AO_RADIO_MODE_BITS_PACKET) - 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_PACKET) { + ao_radio_set_regs(packet_setup); + + switch (ao_config.radio_rate) { + default: + case AO_RADIO_RATE_38400: + ao_radio_set_regs(packet_setup_384); + break; + case AO_RADIO_RATE_9600: + ao_radio_set_regs(packet_setup_96); + break; + case AO_RADIO_RATE_2400: + ao_radio_set_regs(packet_setup_24); + break; + } + } if (changes & AO_RADIO_MODE_BITS_PACKET_TX) - for (i = 0; i < sizeof (packet_tx_setup) / sizeof (packet_tx_setup[0]); i += 2) - ao_radio_reg_write(packet_tx_setup[i], packet_tx_setup[i+1]); - + ao_radio_set_regs(packet_tx_setup); + if (changes & AO_RADIO_MODE_BITS_TX_BUF) ao_radio_reg_write(AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_TXFIFO_THR); @@ -530,20 +646,16 @@ ao_radio_set_mode(uint16_t new_mode) ao_radio_reg_write(AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_RX0TX1_CFG); if (changes & AO_RADIO_MODE_BITS_PACKET_RX) - for (i = 0; i < sizeof (packet_rx_setup) / sizeof (packet_rx_setup[0]); i += 2) - ao_radio_reg_write(packet_rx_setup[i], packet_rx_setup[i+1]); - + ao_radio_set_regs(packet_rx_setup); + if (changes & AO_RADIO_MODE_BITS_RDF) - for (i = 0; i < sizeof (rdf_setup) / sizeof (rdf_setup[0]); i += 2) - ao_radio_reg_write(rdf_setup[i], rdf_setup[i+1]); + ao_radio_set_regs(rdf_setup); if (changes & AO_RADIO_MODE_BITS_APRS) - for (i = 0; i < sizeof (aprs_setup) / sizeof (aprs_setup[0]); i += 2) - ao_radio_reg_write(aprs_setup[i], aprs_setup[i+1]); + ao_radio_set_regs(aprs_setup); if (changes & AO_RADIO_MODE_BITS_TEST) - for (i = 0; i < sizeof (test_setup) / sizeof (test_setup[0]); i += 2) - ao_radio_reg_write(test_setup[i], test_setup[i+1]); + ao_radio_set_regs(test_setup); if (changes & AO_RADIO_MODE_BITS_INFINITE) ao_radio_reg_write(CC1120_PKT_CFG0, AO_PKT_CFG0_INFINITE); @@ -563,12 +675,9 @@ static uint8_t ao_radio_configured = 0; static void ao_radio_setup(void) { - unsigned int i; - ao_radio_strobe(CC1120_SRES); - 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_radio_set_regs(radio_setup); ao_radio_mode = 0; @@ -592,6 +701,7 @@ static void ao_radio_get(uint8_t len) { static uint32_t last_radio_setting; + static uint8_t last_radio_rate; ao_mutex_get(&ao_radio_mutex); @@ -603,6 +713,10 @@ ao_radio_get(uint8_t len) ao_radio_reg_write(CC1120_FREQ0, ao_config.radio_setting); last_radio_setting = ao_config.radio_setting; } + if (ao_config.radio_rate != last_radio_rate) { + ao_radio_mode &= ~AO_RADIO_MODE_BITS_PACKET; + last_radio_rate = ao_config.radio_rate; + } ao_radio_set_len(len); } @@ -696,7 +810,7 @@ ao_radio_test_cmd(void) ao_radio_set_mode(AO_RADIO_MODE_TEST); ao_radio_strobe(CC1120_STX); #if CC1120_TRACE - { int t; + { int t; for (t = 0; t < 10; t++) { printf ("status: %02x\n", ao_radio_status()); ao_delay(AO_MS_TO_TICKS(100)); @@ -793,7 +907,7 @@ ao_radio_send(const void *d, uint8_t size) } else { ao_exti_enable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN); } - + fifo_space = ao_radio_wait_tx(encode_len != 0); if (ao_radio_abort) { ao_radio_idle(); @@ -881,6 +995,11 @@ static uint16_t rx_data_consumed; static uint16_t rx_data_cur; static uint8_t rx_ignore; static uint8_t rx_waiting; +static uint8_t rx_starting; +static uint8_t rx_task_id; +static uint32_t rx_fast_start; +static uint32_t rx_slow_start; +static uint32_t rx_missed; #if AO_PROFILE static uint32_t rx_start_tick, rx_packet_tick, rx_done_tick, rx_last_done_tick; @@ -895,13 +1014,34 @@ ao_radio_rx_isr(void) { uint8_t d; + if (rx_task_id) { + if (ao_radio_try_select(rx_task_id)) { + ++rx_fast_start; + rx_task_id = 0; + _ao_radio_burst_read_start(CC1120_SOFT_RX_DATA_OUT); + } else { + if (rx_ignore) + --rx_ignore; + else { + ao_radio_abort = 1; + rx_missed++; + } + return; + } + } + if (rx_starting) { + rx_starting = 0; + ao_wakeup(&ao_radio_wake); + } d = AO_CC1120_SPI.dr; AO_CC1120_SPI.dr = 0; if (rx_ignore == 0) { - if (rx_data_cur >= rx_data_count) - ao_exti_disable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN); - else + if (rx_data_cur < rx_data_count) rx_data[rx_data_cur++] = d; + if (rx_data_cur >= rx_data_count) { + ao_spi_clr_cs(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN)); + ao_exti_disable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN); + } if (rx_waiting && rx_data_cur - rx_data_consumed >= AO_FEC_DECODE_BLOCK) { #if AO_PROFILE if (!rx_packet_tick) @@ -920,24 +1060,20 @@ ao_radio_rx_isr(void) static uint16_t ao_radio_rx_wait(void) { - do { - if (ao_radio_mcu_wake) - ao_radio_check_marc_status(); - ao_alarm(AO_MS_TO_TICKS(100)); - ao_arch_block_interrupts(); - rx_waiting = 1; - while (rx_data_cur - rx_data_consumed < AO_FEC_DECODE_BLOCK && - !ao_radio_abort && - !ao_radio_mcu_wake) - { - if (ao_sleep(&ao_radio_wake)) - ao_radio_abort = 1; - } - rx_waiting = 0; - ao_arch_release_interrupts(); - ao_clear_alarm(); - } while (ao_radio_mcu_wake); - if (ao_radio_abort) + ao_alarm(AO_MS_TO_TICKS(100)); + ao_arch_block_interrupts(); + rx_waiting = 1; + while (rx_data_cur - rx_data_consumed < AO_FEC_DECODE_BLOCK && + !ao_radio_abort && + !ao_radio_mcu_wake) + { + if (ao_sleep(&ao_radio_wake)) + ao_radio_abort = 1; + } + rx_waiting = 0; + ao_arch_release_interrupts(); + ao_clear_alarm(); + if (ao_radio_abort || ao_radio_mcu_wake) return 0; rx_data_consumed += AO_FEC_DECODE_BLOCK; #if AO_PROFILE @@ -977,48 +1113,67 @@ ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout) */ ao_radio_abort = 0; - /* configure interrupt pin */ ao_radio_get(len); - ao_radio_set_mode(AO_RADIO_MODE_PACKET_RX); ao_radio_wake = 0; ao_radio_mcu_wake = 0; - AO_CC1120_SPI.cr2 = 0; - - /* clear any RXNE */ - (void) AO_CC1120_SPI.dr; + ao_radio_set_mode(AO_RADIO_MODE_PACKET_RX); - /* Have the radio signal when the preamble quality goes high */ - ao_radio_reg_write(AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_PQT_REACHED); + /* configure interrupt pin */ + ao_radio_reg_write(AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_CLKEN_SOFT); ao_exti_set_mode(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, - AO_EXTI_MODE_RISING|AO_EXTI_PRIORITY_HIGH); - ao_exti_set_callback(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, ao_radio_isr); + AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_HIGH); + + ao_exti_set_callback(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, ao_radio_rx_isr); ao_exti_enable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN); - ao_exti_enable(AO_CC1120_MCU_WAKEUP_PORT, AO_CC1120_MCU_WAKEUP_PIN); + + rx_starting = 1; + rx_task_id = ao_cur_task->task_id; ao_radio_strobe(CC1120_SRX); - /* Wait for the preamble to appear */ - ao_radio_wait_isr(timeout); + if (timeout) + ao_alarm(timeout); + ao_arch_block_interrupts(); + while (rx_starting && !ao_radio_abort) { + if (ao_sleep(&ao_radio_wake)) + ao_radio_abort = 1; + } + uint8_t rx_task_id_save = rx_task_id; + rx_task_id = 0; + rx_starting = 0; + ao_arch_release_interrupts(); + if (timeout) + ao_clear_alarm(); + if (ao_radio_abort) { ret = 0; + rx_task_id = 0; goto abort; } - ao_radio_reg_write(AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_CLKEN_SOFT); - ao_exti_set_mode(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, - AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_HIGH); - - ao_exti_set_callback(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, ao_radio_rx_isr); - ao_exti_enable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN); - - ao_radio_burst_read_start(CC1120_SOFT_RX_DATA_OUT); + if (rx_task_id_save) { + ++rx_slow_start; + ao_radio_select(); + _ao_radio_burst_read_start(CC1120_SOFT_RX_DATA_OUT); + if (rx_ignore) { + uint8_t ignore = AO_CC1120_SPI.dr; + (void) ignore; + AO_CC1120_SPI.dr = 0; + --rx_ignore; + } + } ret = ao_fec_decode(rx_data, rx_data_count, d, size + 2, ao_radio_rx_wait); ao_radio_burst_read_stop(); + if (ao_radio_mcu_wake) + ao_radio_check_marc_status(); + if (ao_radio_abort) + ret = 0; + abort: /* Convert from 'real' rssi to cc1111-style values */ @@ -1033,7 +1188,7 @@ abort: radio_rssi = AO_RADIO_FROM_RSSI (rssi); } - ao_radio_strobe(CC1120_SIDLE); + ao_radio_idle(); ao_radio_put(); @@ -1072,7 +1227,7 @@ struct ao_cc1120_reg { char *name; }; -const static struct ao_cc1120_reg ao_cc1120_reg[] = { +static const struct ao_cc1120_reg ao_cc1120_reg[] = { { .addr = CC1120_IOCFG3, .name = "IOCFG3" }, { .addr = CC1120_IOCFG2, .name = "IOCFG2" }, { .addr = CC1120_IOCFG1, .name = "IOCFG1" }, @@ -1253,7 +1408,7 @@ const static struct ao_cc1120_reg ao_cc1120_reg[] = { static void ao_radio_show(void) { uint8_t status = ao_radio_status(); - int i; + unsigned int i; ao_radio_get(0xff); status = ao_radio_status(); @@ -1264,6 +1419,10 @@ static void ao_radio_show(void) { for (i = 0; i < AO_NUM_CC1120_REG; i++) printf ("\t%02x %-20.20s\n", ao_radio_reg_read(ao_cc1120_reg[i].addr), ao_cc1120_reg[i].name); + + printf("RX fast start: %u\n", rx_fast_start); + printf("RX slow start: %u\n", rx_slow_start); + printf("RX missed: %u\n", rx_missed); ao_radio_put(); } @@ -1287,12 +1446,12 @@ static void ao_radio_packet(void) { } void -ao_radio_test_recv() +ao_radio_test_recv(void) { uint8_t bytes[34]; uint8_t b; - if (ao_radio_recv(bytes, 34)) { + if (ao_radio_recv(bytes, 34, 0)) { if (bytes[33] & 0x80) printf ("CRC OK"); else @@ -1308,13 +1467,12 @@ ao_radio_test_recv() #include <ao_aprs.h> static void -ao_radio_aprs() +ao_radio_aprs(void) { ao_packet_slave_stop(); ao_aprs_send(); } #endif - #endif static const struct ao_cmds ao_radio_cmds[] = { |