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Increase filter stages to 20. We cant quite run that many though.

This commit is contained in:
George Norton 2023-08-22 23:00:36 +01:00
parent ac571efcf8
commit dbf35e8b60
2 changed files with 13 additions and 11 deletions
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6
firmware/code/bqf.h
View File

@ -41,9 +41,9 @@ typedef struct _bqf_mem_t {
fix3_28_t y_2;
} bqf_mem_t;
// In reality we do not have enough CPU resource to run 8 filtering
// stages without some optimisation.
#define MAX_FILTER_STAGES 16
// More filters should be possible, but the config structure
// might grow beyond the current 512 byte size.
#define MAX_FILTER_STAGES 20
extern int filter_stages;
extern bqf_coeff_t bqf_filters_left[MAX_FILTER_STAGES];

18
firmware/code/configuration_types.h
View File

@ -17,8 +17,8 @@
#include <stdint.h>
#define FLASH_MAGIC 0x2E8AFEDD
#define CONFIG_VERSION 2
#define MINIMUM_CONFIG_VERSION 1
#define CONFIG_VERSION 3
#define MINIMUM_CONFIG_VERSION 3
enum structure_types {
// Commands/Responses, these are container TLVs. The Value will be a set of TLV structures.
@ -53,18 +53,20 @@ typedef struct __attribute__((__packed__)) _tlv_header {
typedef struct __attribute__((__packed__)) _filter2 {
uint8_t type;
uint8_t reserved[3];
double f0;
double Q;
float f0;
float Q;
} filter2;
typedef struct __attribute__((__packed__)) _filter3 {
uint8_t type;
uint8_t reserved[3];
double f0;
double db_gain;
double Q;
float f0;
float db_gain;
float Q;
} filter3;
// WARNING: We wont be able to support more than 8 of these filters
// due to the config structure size.
typedef struct __attribute__((__packed__)) _filter6 {
uint8_t type;
uint8_t reserved[3];
@ -98,7 +100,7 @@ typedef struct __attribute__((__packed__)) _flash_header_tlv {
typedef struct __attribute__((__packed__)) _preprocessing_configuration_tlv {
tlv_header header;
double preamp;
float preamp;
uint8_t reverse_stereo;
uint8_t reserved[3];
} preprocessing_configuration_tlv;