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_INTERP   0
#define	interp0   interp0_hw
#define	interp1   interp1_hw
#define	interp_lane_claim   interp_claim_lane
#define	interp_lane_unclaim   interp_unclaim_lane

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