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add some dps things and run at ratio 14

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KubaPro010
2025-03-17 18:02:21 +01:00
parent c8c503bade
commit 6a9dfcfbc5
6 changed files with 37 additions and 17 deletions
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12
src/rds.h
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@@ -10,10 +10,10 @@
#define GROUP_LENGTH 4
#define BITS_PER_GROUP (GROUP_LENGTH * (BLOCK_SIZE + POLY_DEG))
// when i say ratio 10, i mean 1187.5*10
#define RDS_SAMPLE_RATE 11875 // pira's m32 works at 361 khz, which is a ratio of 304, but this does a ratio of 10, while the m232 does a ratio of about 500
#define SAMPLES_PER_BIT 10 // (1/1187.5)*RDS_SAMPLE_RATE or RDS_SAMPLE_RATE/1187.5, to check you can do (1187.5*SAMPLES_PER_BIT)=(RDS_SAMPLE_RATE)
#define FILTER_SIZE 40
// Higher sample rate makes you more synchronized so you stay at the 11.4 GPS (group per sec) but lesser sample rate gives a smaller amount of cpu usage
#define RDS_SAMPLE_RATE 16625 // pira's m32 works at 361 khz, which is a ratio of 304, but this does a ratio of 14, while the m232 does a ratio of about 500
#define SAMPLES_PER_BIT 14 // this would be your ratio
#define FILTER_SIZE 84
#define SAMPLE_BUFFER_SIZE (SAMPLES_PER_BIT + FILTER_SIZE)
#define RT_LENGTH 64
@@ -154,13 +154,17 @@ typedef struct {
uint8_t ps_csegment : 4;
uint8_t dps1_update : 1;
uint8_t dps2_update : 1;
char dps1_text[DPS_LENGTH];
char dps1_nexttext[127];
char dps2_text[DPS_LENGTH];
uint8_t dps1_repeat_count : 7;
uint8_t dps2_repeat_count : 7;
uint8_t static_ps_period : 4;
uint8_t dynamic_ps_period : 4;
uint8_t dynamic_ps_position : 4;
uint8_t dynamic_ps_state : 2;
uint8_t dynamic_ps_scroll_counter : 7;
char rt_text[RT_LENGTH];
uint8_t rt_state : 5;