mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-24 03:33:08 +00:00
263 lines
6.8 KiB
C
263 lines
6.8 KiB
C
/**
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* @file furi_hal_subghz.h
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* SubGhz HAL API
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <toolbox/level_duration.h>
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#include <furi_hal_gpio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Low level buffer dimensions and guard times */
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#define API_HAL_SUBGHZ_ASYNC_TX_BUFFER_FULL (256)
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#define API_HAL_SUBGHZ_ASYNC_TX_BUFFER_HALF (API_HAL_SUBGHZ_ASYNC_TX_BUFFER_FULL / 2)
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#define API_HAL_SUBGHZ_ASYNC_TX_GUARD_TIME 999
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/** Radio Presets */
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typedef enum {
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FuriHalSubGhzPresetIDLE, /**< default configuration */
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FuriHalSubGhzPresetOok270Async, /**< OOK, bandwidth 270kHz, asynchronous */
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FuriHalSubGhzPresetOok650Async, /**< OOK, bandwidth 650kHz, asynchronous */
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FuriHalSubGhzPreset2FSKDev238Async, /**< FM, deviation 2.380371 kHz, asynchronous */
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FuriHalSubGhzPreset2FSKDev476Async, /**< FM, deviation 47.60742 kHz, asynchronous */
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FuriHalSubGhzPresetMSK99_97KbAsync, /**< MSK, deviation 47.60742 kHz, 99.97Kb/s, asynchronous */
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FuriHalSubGhzPresetGFSK9_99KbAsync, /**< GFSK, deviation 19.042969 kHz, 9.996Kb/s, asynchronous */
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FuriHalSubGhzPresetCustom, /**Custom Preset*/
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} FuriHalSubGhzPreset;
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/** Switchable Radio Paths */
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typedef enum {
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FuriHalSubGhzPathIsolate, /**< Isolate Radio from antenna */
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FuriHalSubGhzPath433, /**< Center Frequency: 433MHz. Path 1: SW1RF1-SW2RF2, LCLCL */
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FuriHalSubGhzPath315, /**< Center Frequency: 315MHz. Path 2: SW1RF2-SW2RF1, LCLCLCL */
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FuriHalSubGhzPath868, /**< Center Frequency: 868MHz. Path 3: SW1RF3-SW2RF3, LCLC */
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} FuriHalSubGhzPath;
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/** SubGhz state */
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typedef enum {
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SubGhzStateInit, /**< Init pending */
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SubGhzStateIdle, /**< Idle, energy save mode */
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SubGhzStateAsyncRx, /**< Async RX started */
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SubGhzStateAsyncTx, /**< Async TX started, DMA and timer is on */
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SubGhzStateAsyncTxLast, /**< Async TX continue, DMA completed and timer got last value to go */
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SubGhzStateAsyncTxEnd, /**< Async TX complete, cleanup needed */
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} SubGhzState;
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/** SubGhz regulation, receive transmission on the current frequency for the
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* region */
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typedef enum {
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SubGhzRegulationOnlyRx, /**only Rx*/
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SubGhzRegulationTxRx, /**TxRx*/
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} SubGhzRegulation;
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/* Mirror RX/TX async modulation signal to specified pin
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*
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* @warning Configures pin to output mode. Make sure it is not connected
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* directly to power or ground.
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*
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* @param[in] pin pointer to the gpio pin structure or NULL to disable
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*/
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void furi_hal_subghz_set_async_mirror_pin(const GpioPin* pin);
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/** Initialize and switch to power save mode Used by internal API-HAL
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* initialization routine Can be used to reinitialize device to safe state and
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* send it to sleep
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*/
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void furi_hal_subghz_init();
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/** Send device to sleep mode
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*/
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void furi_hal_subghz_sleep();
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/** Dump info to stdout
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*/
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void furi_hal_subghz_dump_state();
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/** Load registers from preset by preset name
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*
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* @param preset to load
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*/
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void furi_hal_subghz_load_preset(FuriHalSubGhzPreset preset);
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/** Load custom registers from preset
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*
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* @param preset_data registers to load
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*/
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void furi_hal_subghz_load_custom_preset(uint8_t* preset_data);
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/** Load registers
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*
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* @param data Registers data
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*/
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void furi_hal_subghz_load_registers(uint8_t* data);
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/** Load PATABLE
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*
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* @param data 8 uint8_t values
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*/
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void furi_hal_subghz_load_patable(const uint8_t data[8]);
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/** Write packet to FIFO
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*
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* @param data bytes array
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* @param size size
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*/
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void furi_hal_subghz_write_packet(const uint8_t* data, uint8_t size);
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/** Check if receive pipe is not empty
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*
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* @return true if not empty
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*/
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bool furi_hal_subghz_rx_pipe_not_empty();
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/** Check if received data crc is valid
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*
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* @return true if valid
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*/
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bool furi_hal_subghz_is_rx_data_crc_valid();
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/** Read packet from FIFO
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*
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* @param data pointer
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* @param size size
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*/
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void furi_hal_subghz_read_packet(uint8_t* data, uint8_t* size);
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/** Flush rx FIFO buffer
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*/
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void furi_hal_subghz_flush_rx();
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/** Flush tx FIFO buffer
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*/
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void furi_hal_subghz_flush_tx();
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/** Shutdown Issue SPWD command
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* @warning registers content will be lost
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*/
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void furi_hal_subghz_shutdown();
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/** Reset Issue reset command
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* @warning registers content will be lost
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*/
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void furi_hal_subghz_reset();
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/** Switch to Idle
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*/
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void furi_hal_subghz_idle();
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/** Switch to Receive
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*/
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void furi_hal_subghz_rx();
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/** Switch to Transmit
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*
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* @return true if the transfer is allowed by belonging to the region
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*/
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bool furi_hal_subghz_tx();
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/** Get RSSI value in dBm
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*
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* @return RSSI value
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*/
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float furi_hal_subghz_get_rssi();
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/** Get LQI
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*
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* @return LQI value
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*/
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uint8_t furi_hal_subghz_get_lqi();
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/** Check if frequency is in valid range
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*
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* @param value frequency in Hz
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*
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* @return true if frequency is valid, otherwise false
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*/
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bool furi_hal_subghz_is_frequency_valid(uint32_t value);
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/** Set frequency and path This function automatically selects antenna matching
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* network
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*
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* @param value frequency in Hz
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*
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* @return real frequency in Hz
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*/
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uint32_t furi_hal_subghz_set_frequency_and_path(uint32_t value);
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/** Сheck if transmission is allowed on this frequency with your current config
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*
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* @param value frequency in Hz
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*
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* @return true if allowed
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*/
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bool furi_hal_subghz_is_tx_allowed(uint32_t value);
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/** Set frequency
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*
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* @param value frequency in Hz
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*
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* @return real frequency in Hz
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*/
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uint32_t furi_hal_subghz_set_frequency(uint32_t value);
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/** Set path
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*
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* @param path path to use
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*/
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void furi_hal_subghz_set_path(FuriHalSubGhzPath path);
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/* High Level API */
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/** Signal Timings Capture callback */
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typedef void (*FuriHalSubGhzCaptureCallback)(bool level, uint32_t duration, void* context);
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/** Enable signal timings capture Initializes GPIO and TIM2 for timings capture
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*
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* @param callback FuriHalSubGhzCaptureCallback
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* @param context callback context
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*/
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void furi_hal_subghz_start_async_rx(FuriHalSubGhzCaptureCallback callback, void* context);
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/** Disable signal timings capture Resets GPIO and TIM2
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*/
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void furi_hal_subghz_stop_async_rx();
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/** Async TX callback type
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* @param context callback context
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* @return LevelDuration
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*/
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typedef LevelDuration (*FuriHalSubGhzAsyncTxCallback)(void* context);
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/** Start async TX Initializes GPIO, TIM2 and DMA1 for signal output
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*
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* @param callback FuriHalSubGhzAsyncTxCallback
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* @param context callback context
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*
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* @return true if the transfer is allowed by belonging to the region
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*/
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bool furi_hal_subghz_start_async_tx(FuriHalSubGhzAsyncTxCallback callback, void* context);
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/** Wait for async transmission to complete
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*
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* @return true if TX complete
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*/
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bool furi_hal_subghz_is_async_tx_complete();
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/** Stop async transmission and cleanup resources Resets GPIO, TIM2, and DMA1
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*/
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void furi_hal_subghz_stop_async_tx();
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#ifdef __cplusplus
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}
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#endif
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