mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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27bfe861d9
Available to configure: datarate, bandwidth and manchester decoding flag log ability added to unit_test app (it's very helpful when writing a unit_tests)
193 lines
6.6 KiB
C
193 lines
6.6 KiB
C
#pragma once
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#include <furi_hal_subghz_configs.h>
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#include <string.h> /* memcpy() */
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#define ADVANCED_AM_PRESET_NAME "AM*"
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// Awailable bandwidth values
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// Setup in MDMCFG4 register
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#define CH_BANDWIDTH_058 0b11110000
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#define CH_BANDWIDTH_068 0b11100000
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#define CH_BANDWIDTH_081 0b11010000
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#define CH_BANDWIDTH_102 0b11000000
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#define CH_BANDWIDTH_116 0b10110000
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#define CH_BANDWIDTH_135 0b10100000
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#define CH_BANDWIDTH_162 0b10010000
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#define CH_BANDWIDTH_203 0b10000000
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#define CH_BANDWIDTH_232 0b01110000
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#define CH_BANDWIDTH_270 0b01100000
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#define CH_BANDWIDTH_325 0b01010000
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#define CH_BANDWIDTH_406 0b01000000
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#define CH_BANDWIDTH_464 0b00110000
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#define CH_BANDWIDTH_541 0b00100000
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#define CH_BANDWIDTH_650 0b00010000
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#define CH_BANDWIDTH_812 0b00000000
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#define CH_BANDWIDTH_INVALID 0xFF
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static const uint8_t subghz_preset_custom_bandwidth_values[] = {
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CH_BANDWIDTH_058,
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CH_BANDWIDTH_068,
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CH_BANDWIDTH_081,
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CH_BANDWIDTH_102,
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CH_BANDWIDTH_116,
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CH_BANDWIDTH_135,
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CH_BANDWIDTH_162,
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CH_BANDWIDTH_203,
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CH_BANDWIDTH_232,
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CH_BANDWIDTH_270,
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CH_BANDWIDTH_325,
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CH_BANDWIDTH_406,
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CH_BANDWIDTH_464,
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CH_BANDWIDTH_541,
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CH_BANDWIDTH_650,
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CH_BANDWIDTH_812,
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};
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#define CH_BANDWIDTH_NUM (sizeof(subghz_preset_custom_bandwidth_values) / sizeof(uint8_t))
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#define DATARATE_EXPONENT_3_79_kBaud 0b00000111 // 7
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#define DATARATE_MANTISSA_3_79_kBaud 0x32
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#define CHANNEL_SPACING_25_EXPONENT 0b00000000 /* last bit */
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#define CHANNEL_SPACING_25_MANTISSA 0x00
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#define MODEM_CONFIG_REGISTERS_COUNT 5
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#define PRESET_OOK_CUSTOM_ADVANCED_AM_SIZE \
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sizeof(furi_hal_subghz_preset_ook_270khz_async_regs) + \
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sizeof(furi_hal_subghz_preset_ook_async_patable)
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extern uint8_t furi_hal_subghz_preset_ook_custom_async_regs[PRESET_OOK_CUSTOM_ADVANCED_AM_SIZE];
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static const uint8_t furi_hal_subghz_custom_modulation_regs[MODEM_CONFIG_REGISTERS_COUNT][2] = {
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// Channel spacing is 25kHz, no Forward Error Correction, 2 preamble bytes (will be ignored)
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{CC1101_MDMCFG0, CHANNEL_SPACING_25_MANTISSA},
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{CC1101_MDMCFG1, 0x00 | CHANNEL_SPACING_25_EXPONENT},
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// [0:2] SYNC_MODE = 00 // No preamble/sync
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// [3:3] MANCHESTER_EN = 0 // Disable
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// [4:6] MOD_FORMAT = 03 // Format ASK/OOK
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// [7:7] DEM_DCFILT_OFF = 0 // Enable
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{CC1101_MDMCFG2, 0x30},
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// 3.79 kBaud data rate (mantissa in 3rd register)
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{CC1101_MDMCFG3, DATARATE_MANTISSA_3_79_kBaud},
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// 270.8333 kHz Rx BW filer (hi) and 3.79 kBaud data rate (exponent in 4th register)
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{CC1101_MDMCFG4, DATARATE_EXPONENT_3_79_kBaud | CH_BANDWIDTH_270},
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Check if cursom preset is AM (OOK) modulation
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*
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* This will check MOD_FORMAT bits in CC1101_MDMCFG2 register
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* If preset data doesn have this register - will return false.
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* This function will not fail in any case
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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*/
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bool subghz_preset_custom_is_ook_modulation(const uint8_t* preset_data, uint8_t data_len);
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/** Get bandwidth value from preset data.
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*
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* This will get HIGHER bits in CC1101_MDMCFG4 register
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* If CC1101_MDMCFG4 is not found in preset data - will return
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* CH_BANDWIDTH_INVALID (0xFF)
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* If there is ANY low 4 bits in returned value - the value is invalid
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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*/
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uint8_t subghz_preset_custom_get_bandwidth(const uint8_t* preset_data, uint8_t data_len);
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/** Set bandwidth value to preset data.
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*
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* This will set HIGHER bits in CC1101_MDMCFG4 register
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* If CC1101_MDMCFG4 is not found in preset data - will do nothing and return false
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* If there are ANY low 4 bits in provided value - they will be ignored
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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* @param value New bandwidth value. See macros definition for possible values
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*/
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bool subghz_preset_custom_set_bandwidth(uint8_t* preset_data, uint8_t data_len, uint8_t value);
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/** Get data rate value from preset data.
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*
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* This will get DRATE_M and DRATE_E bits from CC1101_MDMCFG3 and CC1101_MDMCFG4 registers
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* and calculate the value for 26MHz chip oscillator by formula from datasheet.
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*
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* If CC1101_MDMCFG[3:4] are not found in preset data - will return `-1`
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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*/
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float subghz_preset_custom_get_datarate(const uint8_t* preset_data, uint8_t data_len);
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/** Set data rate value to preset data.
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*
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* This will update DRATE_M and DRATE_E bits from CC1101_MDMCFG3 and CC1101_MDMCFG4 registers
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* with calculated values for 26MHz chip oscillator by formula from datasheet.
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*
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* If CC1101_MDMCFG[3:4] are not found in preset data - will return false
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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* @param value value in kBaud
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*/
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bool subghz_preset_custom_set_datarate(uint8_t* preset_data, uint8_t data_len, float value);
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/** Print datarate value to string
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*
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* This is just conviniece function
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*
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* @param datarate datarate obtained from `subghz_preset_custom_get_datarate` function
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* @param string Target print buffer
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* @param size Target print buffer size
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*/
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void subghz_preset_custom_printf_datarate(float datarate, char* string, uint8_t size);
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/** Get Manchester encoding/decoding flag value from preset data.
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*
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* This will get MANCHESTER_EN (3-rd) bit in CC1101_MDMCFG2 register
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* If CC1101_MDMCFG2 is not found in preset data - will return false
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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*/
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bool subghz_preset_custom_get_machester_enable(const uint8_t* preset_data, uint8_t data_len);
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/** Set Manchester encoding/decoding flag value to preset data.
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*
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* This will set MANCHESTER_EN (3-rd) bit in CC1101_MDMCFG2 register
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* If CC1101_MDMCFG2 is not found in preset data - will return false
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*
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* @param preset_data Custom preset data (registers and patable)
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* @param data_len Data length
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*/
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bool subghz_preset_custom_set_machester_enable(uint8_t* preset_data, uint8_t data_len, bool value);
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/**
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* Initialize advanced am custom preset
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*/
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void subghz_preset_custom_init_advanced_am_preset();
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/**
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* Create subghz preset file with custom am preset
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* this is used for preset initialization if subghz app
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*/
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struct FlipperFormat* subghz_preset_custom_advanced_am_preset_alloc();
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#ifdef __cplusplus
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}
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#endif |