mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 21:13:16 +00:00
361 lines
No EOL
10 KiB
C
361 lines
No EOL
10 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <furi_hal_spi.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define R_REGISTER 0x00
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#define W_REGISTER 0x20
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#define REGISTER_MASK 0x1F
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#define ACTIVATE 0x50
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#define R_RX_PL_WID 0x60
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#define R_RX_PAYLOAD 0x61
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#define W_TX_PAYLOAD 0xA0
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#define W_TX_PAYLOAD_NOACK 0xB0
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#define W_ACK_PAYLOAD 0xA8
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#define FLUSH_TX 0xE1
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#define FLUSH_RX 0xE2
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#define REUSE_TX_PL 0xE3
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#define RF24_NOP 0xFF
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#define REG_CONFIG 0x00
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#define REG_EN_AA 0x01
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#define REG_EN_RXADDR 0x02
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#define REG_SETUP_AW 0x03
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#define REG_SETUP_RETR 0x04
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#define REG_DYNPD 0x1C
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#define REG_FEATURE 0x1D
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#define REG_RF_SETUP 0x06
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#define REG_STATUS 0x07
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#define REG_RX_ADDR_P0 0x0A
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#define REG_RF_CH 0x05
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#define REG_TX_ADDR 0x10
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#define RX_PW_P0 0x11
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#define TX_DS 0x20
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#define MAX_RT 0x10
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#define nrf24_TIMEOUT 500
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#define nrf24_CE_PIN &gpio_ext_pb2
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#define nrf24_HANDLE &furi_hal_spi_bus_handle_external
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/* Low level API */
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/** Write device register
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param reg - register
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* @param data - data to write
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*
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* @return device status
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*/
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uint8_t nrf24_write_reg(FuriHalSpiBusHandle* handle, uint8_t reg, uint8_t data);
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/** Write buffer to device register
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param reg - register
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* @param data - data to write
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* @param size - size of data to write
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*
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* @return device status
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*/
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uint8_t nrf24_write_buf_reg(FuriHalSpiBusHandle* handle, uint8_t reg, uint8_t* data, uint8_t size);
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/** Read device register
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param reg - register
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* @param[out] data - pointer to data
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*
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* @return device status
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*/
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uint8_t nrf24_read_reg(FuriHalSpiBusHandle* handle, uint8_t reg, uint8_t* data, uint8_t size);
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/** Power up the radio for operation
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return device status
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*/
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uint8_t nrf24_power_up(FuriHalSpiBusHandle* handle);
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/** Power down the radio
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return device status
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*/
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uint8_t nrf24_set_idle(FuriHalSpiBusHandle* handle);
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/** Sets the radio to RX mode
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return device status
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*/
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uint8_t nrf24_set_rx_mode(FuriHalSpiBusHandle* handle);
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/** Sets the radio to TX mode
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return device status
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*/
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uint8_t nrf24_set_tx_mode(FuriHalSpiBusHandle* handle);
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/*=============================================================================================================*/
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/* High level API */
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/** Must call this before using any other nrf24 API
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*
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*/
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void nrf24_init();
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/** Send flush rx command
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return device status
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*/
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uint8_t nrf24_flush_rx(FuriHalSpiBusHandle* handle);
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/** Send flush tx command
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return device status
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*/
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uint8_t nrf24_flush_tx(FuriHalSpiBusHandle* handle);
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/** Gets the RX packet length in data pipe 0
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return packet length in data pipe 0
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*/
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uint8_t nrf24_get_packetlen(FuriHalSpiBusHandle* handle);
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/** Sets the RX packet length in data pipe 0
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param len - length to set
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*
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* @return device status
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*/
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uint8_t nrf24_set_packetlen(FuriHalSpiBusHandle* handle, uint8_t len);
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/** Gets configured length of MAC address
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return MAC address length
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*/
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uint8_t nrf24_get_maclen(FuriHalSpiBusHandle* handle);
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/** Sets configured length of MAC address
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param maclen - length to set MAC address to, must be greater than 1 and less than 6
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*
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* @return MAC address length
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*/
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uint8_t nrf24_set_maclen(FuriHalSpiBusHandle* handle, uint8_t maclen);
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/** Gets the current status flags from the STATUS register
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return status flags
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*/
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uint8_t nrf24_status(FuriHalSpiBusHandle* handle);
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/** Gets the current transfer rate
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return transfer rate in bps
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*/
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uint32_t nrf24_get_rate(FuriHalSpiBusHandle* handle);
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/** Sets the transfer rate
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param rate - the transfer rate in bps
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*
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* @return device status
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*/
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uint8_t nrf24_set_rate(FuriHalSpiBusHandle* handle, uint32_t rate);
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/** Gets the current channel
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* In nrf24, the channel number is multiplied times 1MHz and added to 2400MHz to get the frequency
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*
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* @param handle - pointer to FuriHalSpiHandle
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*
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* @return channel
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*/
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uint8_t nrf24_get_chan(FuriHalSpiBusHandle* handle);
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/** Sets the channel
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param frequency - the frequency in hertz
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*
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* @return device status
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*/
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uint8_t nrf24_set_chan(FuriHalSpiBusHandle* handle, uint8_t chan);
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/** Gets the source mac address
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param[out] mac - the source mac address
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*
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* @return device status
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*/
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uint8_t nrf24_get_src_mac(FuriHalSpiBusHandle* handle, uint8_t* mac);
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/** Sets the source mac address
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param mac - the mac address to set
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* @param size - the size of the mac address (2 to 5)
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*
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* @return device status
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*/
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uint8_t nrf24_set_src_mac(FuriHalSpiBusHandle* handle, uint8_t* mac, uint8_t size);
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/** Gets the dest mac address
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param[out] mac - the source mac address
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*
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* @return device status
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*/
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uint8_t nrf24_get_dst_mac(FuriHalSpiBusHandle* handle, uint8_t* mac);
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/** Sets the dest mac address
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param mac - the mac address to set
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* @param size - the size of the mac address (2 to 5)
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*
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* @return device status
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*/
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uint8_t nrf24_set_dst_mac(FuriHalSpiBusHandle* handle, uint8_t* mac, uint8_t size);
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/** Reads RX packet
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param[out] packet - the packet contents
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* @param[out] packetsize - size of the received packet
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* @param full - boolean set to true, packet length is determined by RX_PW_P0 register, false it is determined by dynamic payload length command
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*
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* @return device status
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*/
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uint8_t
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nrf24_rxpacket(FuriHalSpiBusHandle* handle, uint8_t* packet, uint8_t* packetsize, bool full);
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/** Sends TX packet
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param packet - the packet contents
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* @param size - packet size
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* @param ack - boolean to determine whether an ACK is required for the packet or not
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*
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* @return device status
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*/
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uint8_t nrf24_txpacket(FuriHalSpiBusHandle* handle, uint8_t* payload, uint8_t size, bool ack);
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/** Configure the radio
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* This is not comprehensive, but covers a lot of the common configuration options that may be changed
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* @param handle - pointer to FuriHalSpiHandle
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* @param rate - transfer rate in Mbps (1 or 2)
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* @param srcmac - source mac address
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* @param dstmac - destination mac address
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* @param maclen - length of mac address
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* @param channel - channel to tune to
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* @param noack - if true, disable auto-acknowledge
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* @param disable_aa - if true, disable ShockBurst
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*
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*/
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void nrf24_configure(
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FuriHalSpiBusHandle* handle,
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uint8_t rate,
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uint8_t* srcmac,
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uint8_t* dstmac,
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uint8_t maclen,
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uint8_t channel,
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bool noack,
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bool disable_aa);
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/** Configures the radio for "promiscuous mode" and primes it for rx
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* This is not an actual mode of the nrf24, but this function exploits a few bugs in the chip that allows it to act as if it were.
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* See http://travisgoodspeed.blogspot.com/2011/02/promiscuity-is-nrf24l01s-duty.html for details.
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* @param handle - pointer to FuriHalSpiHandle
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* @param channel - channel to tune to
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* @param rate - transfer rate in Mbps (1 or 2)
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*/
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void nrf24_init_promisc_mode(FuriHalSpiBusHandle* handle, uint8_t channel, uint8_t rate);
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/** Listens for a packet and returns first possible address sniffed
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* Call this only after calling nrf24_init_promisc_mode
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* @param handle - pointer to FuriHalSpiHandle
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* @param maclen - length of target mac address
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* @param[out] addresses - sniffed address
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*
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* @return success
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*/
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bool nrf24_sniff_address(FuriHalSpiBusHandle* handle, uint8_t maclen, uint8_t* address);
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/** Sends ping packet on each channel for designated tx mac looking for ack
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*
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* @param handle - pointer to FuriHalSpiHandle
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* @param srcmac - source address
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* @param dstmac - destination address
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* @param maclen - length of address
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* @param rate - transfer rate in Mbps (1 or 2)
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* @param min_channel - channel to start with
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* @param max_channel - channel to end at
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* @param autoinit - if true, automatically configure radio for this channel
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*
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* @return channel that the address is listening on, if this value is above the max_channel param, it failed
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*/
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uint8_t nrf24_find_channel(
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FuriHalSpiBusHandle* handle,
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uint8_t* srcmac,
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uint8_t* dstmac,
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uint8_t maclen,
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uint8_t rate,
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uint8_t min_channel,
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uint8_t max_channel,
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bool autoinit);
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/** Converts 64 bit value into uint8_t array
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* @param val - 64-bit integer
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* @param[out] out - bytes out
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* @param bigendian - if true, convert as big endian, otherwise little endian
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*/
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void int64_to_bytes(uint64_t val, uint8_t* out, bool bigendian);
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/** Converts 32 bit value into uint8_t array
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* @param val - 32-bit integer
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* @param[out] out - bytes out
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* @param bigendian - if true, convert as big endian, otherwise little endian
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*/
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void int32_to_bytes(uint32_t val, uint8_t* out, bool bigendian);
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/** Converts uint8_t array into 32 bit value
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* @param bytes - uint8_t array
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* @param bigendian - if true, convert as big endian, otherwise little endian
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*
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* @return 32-bit value
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*/
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uint32_t bytes_to_int32(uint8_t* bytes, bool bigendian);
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#ifdef __cplusplus
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}
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#endif |