X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdrivers%2Fao_cc1120.c;h=1b907940f6f1d5104c13fa43da120f9dfc1b882e;hb=4828be0ca5252ac9cd6061209385dcd6c4c57965;hp=5d51fbcd518a51df934ae649849cdfe364eacb32;hpb=e0ee2ac6bc68b73e13bf34fac3ffd4a3b79dce98;p=fw%2Faltos diff --git a/src/drivers/ao_cc1120.c b/src/drivers/ao_cc1120.c index 5d51fbcd..1b907940 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) { @@ -275,11 +277,13 @@ 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); @@ -948,6 +952,11 @@ 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; @@ -962,13 +971,34 @@ 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) @@ -987,24 +1017,20 @@ 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 @@ -1044,48 +1070,67 @@ 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 */ @@ -1100,7 +1145,7 @@ abort: radio_rssi = AO_RADIO_FROM_RSSI (rssi); } - ao_radio_strobe(CC1120_SIDLE); + ao_radio_idle(); ao_radio_put(); @@ -1139,7 +1184,7 @@ 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" }, @@ -1320,7 +1365,7 @@ 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(); @@ -1331,6 +1376,10 @@ 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(); } @@ -1354,12 +1403,12 @@ 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 @@ -1375,13 +1424,12 @@ ao_radio_test_recv() #include 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[] = {