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Finally Noise Signal with best option 16 bit LFSR

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Brumi-2021 2023-05-02 21:29:35 +02:00
parent 804fa0d3c4
commit d77102426a
3 changed files with 26 additions and 30 deletions
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12
firmware/baseband/proc_siggen.hpp
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@ -42,13 +42,13 @@ private:
uint8_t tone_shape { };
uint32_t sample_count { 0 };
bool auto_off { };
int32_t phase { 0 }, sphase { 0 }, delta { 0 }; // they may have sign .
int8_t sample { 0 }, re { 0 }, im { 0 }; // they may have sign .
uint8_t seed_value = {0x56}; // seed 8 bits lfsr : any nonzero start state will work.
uint16_t seed_value_16 = {0xACE1}; // seed 16 bits lfsr : any nonzero start state will work.
uint8_t lfsr { }, bit { }; // bit must be 8-bit to allow bit<<7 later in the code */
uint16_t lfsr_16 { }, bit_16 { }; // bit must be 8-bit to allow bit<<7 later in the code */
int32_t phase { 0 }, sphase { 0 }, delta { 0 }; // they may have sign in the pseudo random sample generation.
int8_t sample { 0 }, re { 0 }, im { 0 }; // they have sign + and -.
uint16_t seed_value_16 = {0xACE1}; // seed 16 bits lfsr : any nonzero start state will work.
uint16_t lfsr_16 { }, bit_16 { }; // bit must be 16-bit to allow bit<<15 later in the code */
uint8_t counter {0};
// uint8_t seed_value = {0x56}; // Finally not used lfsr of 8 bits , seed 8blfsr : any nonzero start state will work.
// uint8_t lfsr { }, bit { }; // Finally not used lfsr of 8 bits , bit must be 8-bit to allow bit<<7 later in the code */
TXProgressMessage txprogress_message { };
};