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Data Structures
struct	kest_fpga_transfer_batch

Macros
#define	KEST_FPGA_SAMPLE_RATE 44100
#define	COMMAND_BEGIN_PROGRAM 1
#define	COMMAND_WRITE_BLOCK_INSTR 2
#define	COMMAND_WRITE_BLOCK_REG_0 3
#define	COMMAND_WRITE_BLOCK_REG_1 4
#define	COMMAND_ALLOC_DELAY 5
#define	COMMAND_END_PROGRAM 10
#define	COMMAND_SET_INPUT_GAIN 11
#define	COMMAND_SET_OUTPUT_GAIN 12
#define	COMMAND_UPDATE_BLOCK_REG_0 13
#define	COMMAND_UPDATE_BLOCK_REG_1 14
#define	COMMAND_COMMIT_REG_UPDATES 15
#define	COMMAND_ALLOC_FILTER 16
#define	COMMAND_WRITE_FILTER_COEF 17
#define	COMMAND_UPDATE_FILTER_COEF 18
#define	COMMAND_COMMIT_FILTER_COEF 19
#define	SPI_RESPONSE_OK 0
#define	SPI_RESPONSE_INITIALISING 1
#define	SPI_RESPONSE_PROGRAMMING 2
#define	SPI_RESPONSE_REJECTED 3
#define	SPI_RESPONSE_TIMEOUT 4
#define	KEST_FPGA_N_BLOCKS 256
#define	KEST_FPGA_BLOCK_ADDR_BYTES 1
#define	KEST_FPGA_DATA_WIDTH 16
#define	KEST_FPGA_FILTER_WIDTH 18
#define	KEST_FPGA_DATA_BYTES (KEST_FPGA_DATA_WIDTH / 8)

Typedefs
typedef uint8_t	kest_fpga_block_addr_t
typedef int16_t	kest_fpga_sample_t

Functions
kest_fpga_transfer_batch	kest_new_fpga_transfer_batch ()
void	kest_free_fpga_transfer_batch (kest_fpga_transfer_batch batch)
int	kest_send_bytes_to_fpga (uint8_t *buf, int n)
int	kest_send_byte_to_fpga (uint8_t byte)
int	kest_fpga_send_byte (uint8_t byte)
uint8_t	kest_fpga_read_byte ()
void	kest_fpga_set_input_gain (float gain_db)
void	kest_fpga_set_output_gain (float gain_db)
void	kest_fpga_commit_reg_updates ()
int	kest_fpga_batch_append (kest_fpga_transfer_batch *seq, uint8_t x)
int	kest_fpga_batch_append_16 (kest_fpga_transfer_batch *seq, uint16_t x)
int	kest_fpga_batch_append_24 (kest_fpga_transfer_batch *seq, uint32_t x)
int	kest_fpga_batch_append_32 (kest_fpga_transfer_batch *seq, uint32_t x)
int	kest_fpga_transfer_batch_send (kest_fpga_transfer_batch batch)
int	kest_fpga_spi_init ()
char *	kest_fpga_command_to_string (int command)

Macro Definition Documentation

◆ COMMAND_ALLOC_DELAY

#define COMMAND_ALLOC_DELAY 5

Definition at line 12 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_resource(), kest_fpga_batch_print(), and kest_fpga_command_to_string().

◆ COMMAND_ALLOC_FILTER

#define COMMAND_ALLOC_FILTER 16

Definition at line 19 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_resource(), and kest_fpga_batch_print().

◆ COMMAND_BEGIN_PROGRAM

#define COMMAND_BEGIN_PROGRAM 1

Definition at line 8 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print(), kest_fpga_command_to_string(), and kest_pipeline_create_fpga_transfer_batch().

◆ COMMAND_COMMIT_FILTER_COEF

#define COMMAND_COMMIT_FILTER_COEF 19

Definition at line 22 of file kest_fpga_io.h.

◆ COMMAND_COMMIT_REG_UPDATES

#define COMMAND_COMMIT_REG_UPDATES 15

Definition at line 18 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print(), kest_fpga_command_to_string(), kest_fpga_commit_reg_updates(), and kest_fpga_queue_register_commit().

◆ COMMAND_END_PROGRAM

#define COMMAND_END_PROGRAM 10

Definition at line 13 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print(), kest_fpga_command_to_string(), and kest_pipeline_create_fpga_transfer_batch().

◆ COMMAND_SET_INPUT_GAIN

#define COMMAND_SET_INPUT_GAIN 11

Definition at line 14 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print(), kest_fpga_command_to_string(), and kest_fpga_set_input_gain().

◆ COMMAND_SET_OUTPUT_GAIN

#define COMMAND_SET_OUTPUT_GAIN 12

Definition at line 15 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print(), kest_fpga_command_to_string(), and kest_fpga_set_output_gain().

◆ COMMAND_UPDATE_BLOCK_REG_0

#define COMMAND_UPDATE_BLOCK_REG_0 13

Definition at line 16 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_block_register_updates(), kest_fpga_batch_print(), and kest_fpga_command_to_string().

◆ COMMAND_UPDATE_BLOCK_REG_1

#define COMMAND_UPDATE_BLOCK_REG_1 14

Definition at line 17 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_block_register_updates(), kest_fpga_batch_print(), and kest_fpga_command_to_string().

◆ COMMAND_UPDATE_FILTER_COEF

#define COMMAND_UPDATE_FILTER_COEF 18

Definition at line 21 of file kest_fpga_io.h.

◆ COMMAND_WRITE_BLOCK_INSTR

#define COMMAND_WRITE_BLOCK_INSTR 2

Definition at line 9 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_block_instr(), kest_fpga_batch_print(), and kest_fpga_command_to_string().

◆ COMMAND_WRITE_BLOCK_REG_0

#define COMMAND_WRITE_BLOCK_REG_0 3

Definition at line 10 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_block_regs(), kest_fpga_batch_print(), and kest_fpga_command_to_string().

◆ COMMAND_WRITE_BLOCK_REG_1

#define COMMAND_WRITE_BLOCK_REG_1 4

Definition at line 11 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_block_regs(), kest_fpga_batch_print(), and kest_fpga_command_to_string().

◆ COMMAND_WRITE_FILTER_COEF

#define COMMAND_WRITE_FILTER_COEF 17

Definition at line 20 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_resource(), and kest_fpga_batch_print().

◆ KEST_FPGA_BLOCK_ADDR_BYTES

#define KEST_FPGA_BLOCK_ADDR_BYTES 1

Definition at line 36 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print().

◆ KEST_FPGA_DATA_BYTES

#define KEST_FPGA_DATA_BYTES (KEST_FPGA_DATA_WIDTH / 8)

Definition at line 42 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_print().

◆ KEST_FPGA_DATA_WIDTH

#define KEST_FPGA_DATA_WIDTH 16

Definition at line 40 of file kest_fpga_io.h.

Referenced by float_to_q_nminus1(), and kest_compute_register_formats().

◆ KEST_FPGA_FILTER_WIDTH

#define KEST_FPGA_FILTER_WIDTH 18

Definition at line 41 of file kest_fpga_io.h.

Referenced by kest_filter_compute_format(), and kest_fpga_batch_append_resource().

◆ KEST_FPGA_N_BLOCKS

#define KEST_FPGA_N_BLOCKS 256

Definition at line 30 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_block_number(), and kest_new_fpga_transfer_batch().

◆ KEST_FPGA_SAMPLE_RATE

#define KEST_FPGA_SAMPLE_RATE 44100

Definition at line 4 of file kest_fpga_io.h.

Referenced by kest_fpga_batch_append_resource().

◆ SPI_RESPONSE_INITIALISING

#define SPI_RESPONSE_INITIALISING 1

Definition at line 25 of file kest_fpga_io.h.

◆ SPI_RESPONSE_OK

#define SPI_RESPONSE_OK 0

Definition at line 24 of file kest_fpga_io.h.

Referenced by kest_fpga_comms_task().

◆ SPI_RESPONSE_PROGRAMMING

#define SPI_RESPONSE_PROGRAMMING 2

Definition at line 26 of file kest_fpga_io.h.

◆ SPI_RESPONSE_REJECTED

#define SPI_RESPONSE_REJECTED 3

Definition at line 27 of file kest_fpga_io.h.

◆ SPI_RESPONSE_TIMEOUT

#define SPI_RESPONSE_TIMEOUT 4

Definition at line 28 of file kest_fpga_io.h.

Typedef Documentation

◆ kest_fpga_block_addr_t

typedef uint8_t kest_fpga_block_addr_t

Definition at line 37 of file kest_fpga_io.h.

◆ kest_fpga_sample_t

typedef int16_t kest_fpga_sample_t

Definition at line 45 of file kest_fpga_io.h.

Function Documentation

◆ kest_fpga_batch_append()

int kest_fpga_batch_append	(	kest_fpga_transfer_batch *	seq,
		uint8_t	x )

Definition at line 126 of file kest_fpga_io.c.

Referenced by kest_fpga_batch_append_16(), kest_fpga_batch_append_24(), kest_fpga_batch_append_32(), kest_fpga_batch_append_block_instr(), kest_fpga_batch_append_block_number(), kest_fpga_batch_append_block_register_updates(), kest_fpga_batch_append_block_regs(), kest_fpga_batch_append_resource(), and kest_pipeline_create_fpga_transfer_batch().

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◆ kest_fpga_batch_append_16()

int kest_fpga_batch_append_16	(	kest_fpga_transfer_batch *	seq,
		uint16_t	x )

Definition at line 148 of file kest_fpga_io.c.

Referenced by kest_fpga_batch_append_block_number(), kest_fpga_batch_append_block_register_updates(), kest_fpga_batch_append_block_regs(), and kest_fpga_batch_append_resource().

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◆ kest_fpga_batch_append_24()

int kest_fpga_batch_append_24	(	kest_fpga_transfer_batch *	seq,
		uint32_t	x )

Definition at line 164 of file kest_fpga_io.c.

Referenced by kest_fpga_batch_append_resource().

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◆ kest_fpga_batch_append_32()

int kest_fpga_batch_append_32	(	kest_fpga_transfer_batch *	seq,
		uint32_t	x )

Definition at line 181 of file kest_fpga_io.c.

Referenced by kest_fpga_batch_append_block_instr().

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◆ kest_fpga_command_to_string()

char * kest_fpga_command_to_string ( int command )

Definition at line 271 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task().

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◆ kest_fpga_commit_reg_updates()

void kest_fpga_commit_reg_updates ( )

Definition at line 266 of file kest_fpga_io.c.

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◆ kest_fpga_read_byte()

uint8_t kest_fpga_read_byte ( )

Definition at line 101 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task().

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◆ kest_fpga_send_byte()

int kest_fpga_send_byte ( uint8_t byte )

Definition at line 96 of file kest_fpga_io.c.

Referenced by kest_fpga_commit_reg_updates(), kest_fpga_comms_task(), kest_fpga_set_input_gain(), and kest_fpga_set_output_gain().

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◆ kest_fpga_set_input_gain()

void kest_fpga_set_input_gain ( float gain_db )

Definition at line 245 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task().

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◆ kest_fpga_set_output_gain()

void kest_fpga_set_output_gain ( float gain_db )

Definition at line 255 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task().

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◆ kest_fpga_spi_init()

int kest_fpga_spi_init ( )

Definition at line 20 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task().

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◆ kest_fpga_transfer_batch_send()

int kest_fpga_transfer_batch_send ( kest_fpga_transfer_batch batch )

Definition at line 240 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task().

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◆ kest_free_fpga_transfer_batch()

void kest_free_fpga_transfer_batch ( kest_fpga_transfer_batch batch )

Definition at line 121 of file kest_fpga_io.c.

Referenced by kest_fpga_comms_task(), and kest_pipeline_create_fpga_transfer_batch().

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◆ kest_new_fpga_transfer_batch()

kest_fpga_transfer_batch kest_new_fpga_transfer_batch ( )

Definition at line 109 of file kest_fpga_io.c.

Referenced by kest_effect_update_fpga_registers(), and kest_pipeline_create_fpga_transfer_batch().

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◆ kest_send_byte_to_fpga()

int kest_send_byte_to_fpga ( uint8_t byte )

◆ kest_send_bytes_to_fpga()

int kest_send_bytes_to_fpga	(	uint8_t *	buf,
		int	n )

Data Structures

Macros

Typedefs

Functions

Macro Definition Documentation

◆ COMMAND_ALLOC_DELAY

◆ COMMAND_ALLOC_FILTER

◆ COMMAND_BEGIN_PROGRAM

◆ COMMAND_COMMIT_FILTER_COEF

◆ COMMAND_COMMIT_REG_UPDATES

◆ COMMAND_END_PROGRAM

◆ COMMAND_SET_INPUT_GAIN

◆ COMMAND_SET_OUTPUT_GAIN

◆ COMMAND_UPDATE_BLOCK_REG_0

◆ COMMAND_UPDATE_BLOCK_REG_1

◆ COMMAND_UPDATE_FILTER_COEF

◆ COMMAND_WRITE_BLOCK_INSTR

◆ COMMAND_WRITE_BLOCK_REG_0

◆ COMMAND_WRITE_BLOCK_REG_1

◆ COMMAND_WRITE_FILTER_COEF

◆ KEST_FPGA_BLOCK_ADDR_BYTES

◆ KEST_FPGA_DATA_BYTES

◆ KEST_FPGA_DATA_WIDTH

◆ KEST_FPGA_FILTER_WIDTH

◆ KEST_FPGA_N_BLOCKS

◆ KEST_FPGA_SAMPLE_RATE

◆ SPI_RESPONSE_INITIALISING

◆ SPI_RESPONSE_OK

◆ SPI_RESPONSE_PROGRAMMING

◆ SPI_RESPONSE_REJECTED

◆ SPI_RESPONSE_TIMEOUT

Typedef Documentation

◆ kest_fpga_block_addr_t

◆ kest_fpga_sample_t

Function Documentation

◆ kest_fpga_batch_append()

◆ kest_fpga_batch_append_16()

◆ kest_fpga_batch_append_24()

◆ kest_fpga_batch_append_32()

◆ kest_fpga_command_to_string()

◆ kest_fpga_commit_reg_updates()

◆ kest_fpga_read_byte()

◆ kest_fpga_send_byte()

◆ kest_fpga_set_input_gain()

◆ kest_fpga_set_output_gain()

◆ kest_fpga_spi_init()

◆ kest_fpga_transfer_batch_send()

◆ kest_free_fpga_transfer_batch()

◆ kest_new_fpga_transfer_batch()

◆ kest_send_byte_to_fpga()

◆ kest_send_bytes_to_fpga()