interp.h File Reference

#include "pico.h"
#include "hardware/structs/interp.h"
#include "hardware/regs/sio.h"

Include dependency graph for interp.h:

Go to the source code of this file.

Data Structures
struct	interp_config
struct	interp_hw_save_t

Macros
#define	PARAM_ASSERTIONS_ENABLED_HARDWARE_INTERP   0
#define	interp0   interp0_hw
#define	interp1   interp1_hw
#define	interp_lane_claim   interp_claim_lane
#define	interp_lane_unclaim   interp_unclaim_lane
#define	interp_add_accumulater(interp, lane, val)

Functions
static uint	interp_index (interp_hw_t *interp)
void	interp_claim_lane (interp_hw_t *interp, uint lane)
	Claim the interpolator lane specified.
void	interp_claim_lane_mask (interp_hw_t *interp, uint lane_mask)
	Claim the interpolator lanes specified in the mask.
void	interp_unclaim_lane (interp_hw_t *interp, uint lane)
	Release a previously claimed interpolator lane.
bool	interp_lane_is_claimed (interp_hw_t *interp, uint lane)
	Determine if an interpolator lane is claimed.
void	interp_unclaim_lane_mask (interp_hw_t *interp, uint lane_mask)
	Release previously claimed interpolator lanes, see interp_claim_lane_mask.
static void	interp_config_set_shift (interp_config *c, uint shift)
	Set the interpolator shift value.
static void	interp_config_set_mask (interp_config *c, uint mask_lsb, uint mask_msb)
	Set the interpolator mask range.
static void	interp_config_set_cross_input (interp_config *c, bool cross_input)
	Enable cross input.
static void	interp_config_set_cross_result (interp_config *c, bool cross_result)
	Enable cross results.
static void	interp_config_set_signed (interp_config *c, bool _signed)
	Set sign extension.
static void	interp_config_set_add_raw (interp_config *c, bool add_raw)
	Set raw add option.
static void	interp_config_set_blend (interp_config *c, bool blend)
	Set blend mode.
static void	interp_config_set_clamp (interp_config *c, bool clamp)
	Set interpolator clamp mode (Interpolator 1 only).
static void	interp_config_set_force_bits (interp_config *c, uint bits)
	Set interpolator Force bits.
static interp_config	interp_default_config (void)
	Get a default configuration.
static void	interp_set_config (interp_hw_t *interp, uint lane, interp_config *config)
	Send configuration to a lane.
static void	interp_set_force_bits (interp_hw_t *interp, uint lane, uint bits)
	Directly set the force bits on a specified lane.
void	interp_save (interp_hw_t *interp, interp_hw_save_t *saver)
	Save the specified interpolator state.
void	interp_restore (interp_hw_t *interp, interp_hw_save_t *saver)
	Restore an interpolator state.
static void	interp_set_base (interp_hw_t *interp, uint lane, uint32_t val)
	Sets the interpolator base register by lane.
static uint32_t	interp_get_base (interp_hw_t *interp, uint lane)
	Gets the content of interpolator base register by lane.
static void	interp_set_base_both (interp_hw_t *interp, uint32_t val)
	Sets the interpolator base registers simultaneously.
static void	interp_set_accumulator (interp_hw_t *interp, uint lane, uint32_t val)
	Sets the interpolator accumulator register by lane.
static uint32_t	interp_get_accumulator (interp_hw_t *interp, uint lane)
	Gets the content of the interpolator accumulator register by lane.
static uint32_t	interp_pop_lane_result (interp_hw_t *interp, uint lane)
	Read lane result, and write lane results to both accumulators to update the interpolator.
static uint32_t	interp_peek_lane_result (interp_hw_t *interp, uint lane)
	Read lane result.
static uint32_t	interp_pop_full_result (interp_hw_t *interp)
	Read lane result, and write lane results to both accumulators to update the interpolator.
static uint32_t	interp_peek_full_result (interp_hw_t *interp)
	Read lane result.
static void	interp_add_accumulator (interp_hw_t *interp, uint lane, uint32_t val)
	Add to accumulator.
static uint32_t	interp_get_raw (interp_hw_t *interp, uint lane)
	Get raw lane value.

Macro Definition Documentation

interp_add_accumulater

#define interp_add_accumulater	(		interp,
			lane,
			val )

Value:

interp_add_accumulator(interp, lane, val)