diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.c | 188 | ||||
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.h | 58 |
2 files changed, 246 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.c new file mode 100644 index 0000000..e3849df --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.c @@ -0,0 +1,188 @@ +/** + * Copyright (c) 2009 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +/** @file +* @addtogroup nrf_dev_radio_rx_example_main nrf_dev_radio_tx_example_main +* @{ +*/ + +#include "radio_config.h" +#include "nrf_delay.h" + +/* These are set to zero as ShockBurst packets don't have corresponding fields. */ +#define PACKET_S1_FIELD_SIZE (0UL) /**< Packet S1 field size in bits. */ +#define PACKET_S0_FIELD_SIZE (0UL) /**< Packet S0 field size in bits. */ +#define PACKET_LENGTH_FIELD_SIZE (0UL) /**< Packet length field size in bits. */ + +/** + * @brief Function for swapping/mirroring bits in a byte. + * + *@verbatim + * output_bit_7 = input_bit_0 + * output_bit_6 = input_bit_1 + * : + * output_bit_0 = input_bit_7 + *@endverbatim + * + * @param[in] inp is the input byte to be swapped. + * + * @return + * Returns the swapped/mirrored input byte. + */ +static uint32_t swap_bits(uint32_t inp); + +/** + * @brief Function for swapping bits in a 32 bit word for each byte individually. + * + * The bits are swapped as follows: + * @verbatim + * output[31:24] = input[24:31] + * output[23:16] = input[16:23] + * output[15:8] = input[8:15] + * output[7:0] = input[0:7] + * @endverbatim + * @param[in] input is the input word to be swapped. + * + * @return + * Returns the swapped input byte. + */ +static uint32_t bytewise_bitswap(uint32_t inp); + +static uint32_t swap_bits(uint32_t inp) +{ + uint32_t i; + uint32_t retval = 0; + + inp = (inp & 0x000000FFUL); + + for (i = 0; i < 8; i++) + { + retval |= ((inp >> i) & 0x01) << (7 - i); + } + + return retval; +} + + +static uint32_t bytewise_bitswap(uint32_t inp) +{ + return (swap_bits(inp >> 24) << 24) + | (swap_bits(inp >> 16) << 16) + | (swap_bits(inp >> 8) << 8) + | (swap_bits(inp)); +} + + +/** + * @brief Function for configuring the radio to operate in ShockBurst compatible mode. + * + * To configure the application running on nRF24L series devices: + * + * @verbatim + * uint8_t tx_address[5] = { 0xC0, 0x01, 0x23, 0x45, 0x67 }; + * hal_nrf_set_rf_channel(7); + * hal_nrf_set_address_width(HAL_NRF_AW_5BYTES); + * hal_nrf_set_address(HAL_NRF_TX, tx_address); + * hal_nrf_set_address(HAL_NRF_PIPE0, tx_address); + * hal_nrf_open_pipe(0, false); + * hal_nrf_set_datarate(HAL_NRF_1MBPS); + * hal_nrf_set_crc_mode(HAL_NRF_CRC_16BIT); + * hal_nrf_setup_dynamic_payload(0xFF); + * hal_nrf_enable_dynamic_payload(false); + * @endverbatim + * + * When transmitting packets with hal_nrf_write_tx_payload(const uint8_t *tx_pload, uint8_t length), + * match the length with PACKET_STATIC_LENGTH. + * hal_nrf_write_tx_payload(payload, PACKET_STATIC_LENGTH); + * +*/ +void radio_configure() +{ + // Radio config + NRF_RADIO->TXPOWER = (RADIO_TXPOWER_TXPOWER_0dBm << RADIO_TXPOWER_TXPOWER_Pos); + NRF_RADIO->FREQUENCY = 7UL; // Frequency bin 7, 2407MHz + NRF_RADIO->MODE = (RADIO_MODE_MODE_Nrf_1Mbit << RADIO_MODE_MODE_Pos); + + // Radio address config + NRF_RADIO->PREFIX0 = + ((uint32_t)swap_bits(0xC3) << 24) // Prefix byte of address 3 converted to nRF24L series format + | ((uint32_t)swap_bits(0xC2) << 16) // Prefix byte of address 2 converted to nRF24L series format + | ((uint32_t)swap_bits(0xC1) << 8) // Prefix byte of address 1 converted to nRF24L series format + | ((uint32_t)swap_bits(0xC0) << 0); // Prefix byte of address 0 converted to nRF24L series format + + NRF_RADIO->PREFIX1 = + ((uint32_t)swap_bits(0xC7) << 24) // Prefix byte of address 7 converted to nRF24L series format + | ((uint32_t)swap_bits(0xC6) << 16) // Prefix byte of address 6 converted to nRF24L series format + | ((uint32_t)swap_bits(0xC4) << 0); // Prefix byte of address 4 converted to nRF24L series format + + NRF_RADIO->BASE0 = bytewise_bitswap(0x01234567UL); // Base address for prefix 0 converted to nRF24L series format + NRF_RADIO->BASE1 = bytewise_bitswap(0x89ABCDEFUL); // Base address for prefix 1-7 converted to nRF24L series format + + NRF_RADIO->TXADDRESS = 0x00UL; // Set device address 0 to use when transmitting + NRF_RADIO->RXADDRESSES = 0x01UL; // Enable device address 0 to use to select which addresses to receive + + // Packet configuration + NRF_RADIO->PCNF0 = (PACKET_S1_FIELD_SIZE << RADIO_PCNF0_S1LEN_Pos) | + (PACKET_S0_FIELD_SIZE << RADIO_PCNF0_S0LEN_Pos) | + (PACKET_LENGTH_FIELD_SIZE << RADIO_PCNF0_LFLEN_Pos); //lint !e845 "The right argument to operator '|' is certain to be 0" + + // Packet configuration + NRF_RADIO->PCNF1 = (RADIO_PCNF1_WHITEEN_Disabled << RADIO_PCNF1_WHITEEN_Pos) | + (RADIO_PCNF1_ENDIAN_Big << RADIO_PCNF1_ENDIAN_Pos) | + (PACKET_BASE_ADDRESS_LENGTH << RADIO_PCNF1_BALEN_Pos) | + (PACKET_STATIC_LENGTH << RADIO_PCNF1_STATLEN_Pos) | + (PACKET_PAYLOAD_MAXSIZE << RADIO_PCNF1_MAXLEN_Pos); //lint !e845 "The right argument to operator '|' is certain to be 0" + + // CRC Config + NRF_RADIO->CRCCNF = (RADIO_CRCCNF_LEN_Two << RADIO_CRCCNF_LEN_Pos); // Number of checksum bits + if ((NRF_RADIO->CRCCNF & RADIO_CRCCNF_LEN_Msk) == (RADIO_CRCCNF_LEN_Two << RADIO_CRCCNF_LEN_Pos)) + { + NRF_RADIO->CRCINIT = 0xFFFFUL; // Initial value + NRF_RADIO->CRCPOLY = 0x11021UL; // CRC poly: x^16 + x^12^x^5 + 1 + } + else if ((NRF_RADIO->CRCCNF & RADIO_CRCCNF_LEN_Msk) == (RADIO_CRCCNF_LEN_One << RADIO_CRCCNF_LEN_Pos)) + { + NRF_RADIO->CRCINIT = 0xFFUL; // Initial value + NRF_RADIO->CRCPOLY = 0x107UL; // CRC poly: x^8 + x^2^x^1 + 1 + } +} + +/** + * @} + */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.h new file mode 100644 index 0000000..f8e8be5 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_nrf/radio_config/radio_config.h @@ -0,0 +1,58 @@ +/** + * Copyright (c) 2009 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#ifndef RADIO_CONFIG_H +#define RADIO_CONFIG_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define PACKET_BASE_ADDRESS_LENGTH (4UL) //!< Packet base address length field size in bytes +#define PACKET_STATIC_LENGTH (1UL) //!< Packet static length in bytes +#define PACKET_PAYLOAD_MAXSIZE (PACKET_STATIC_LENGTH) //!< Packet payload maximum size in bytes + +void radio_configure(void); + + +#ifdef __cplusplus +} +#endif + +#endif |