pico9918-core - Platform Abstraction (RP2040 / RP2350) More...

#include <stdint.h>
#include "hardware/dma.h"
#include "hardware/gpio.h"
#include "pico/divider.h"

Include dependency graph for platform_pico.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	PICO9918_HOST_SET_INT(active) gpio_put(PICO9918_INT_GPIO, !(active))

#define	PICO9918_SECTION_SCRATCH_X(name) __attribute__((section(".scratch_x." #name)))

#define	PICO9918_SECTION_SCRATCH_Y(name) __attribute__((section(".scratch_y." #name)))

#define	PICO9918_UNINITIALIZED(decl) __uninitialized_ram(decl)

#define	PICO9918_IN_FLASH_FUNC(fn) fn

#define	PICO9918_FILL_BORDER 2u

#define	PICO9918_FILL32_INIT(inst, srcPtr)

#define	PICO9918_FILL32_SET_COUNT(inst, n) dma_channel_set_trans_count((inst), (n), false)

#define	PICO9918_FILL32_TRIGGER(inst, dstPtr) dma_channel_set_write_addr((inst), (dstPtr), true)

#define	PICO9918_FILL32_WAIT(inst) dma_channel_wait_for_finish_blocking(inst)

#define	PICO9918_FILL_MASKS 5u

#define	PICO9918_FILL_LINE 6u

#define	PICO9918_COPY 7u

#define	PICO9918_COPY_STATE()

#define	PICO9918_COPY_INIT(inst)

#define	PICO9918_COPY_SET_WIDTH(inst, wordAligned) dma_channel_set_config((inst), (wordAligned) ? &pico9918_copy_word : &pico9918_copy_byte, false)

#define	PICO9918_COPY_SET_SRC(inst, srcPtr) dma_channel_set_read_addr((inst), (srcPtr), false)

#define	PICO9918_COPY_SET_DST(inst, dstPtr) dma_channel_set_write_addr((inst), (dstPtr), false)

#define	PICO9918_COPY_TRIGGER(inst, n) dma_channel_set_trans_count((inst), (n), true)

#define	PICO9918_COPY_WAIT(inst) dma_channel_wait_for_finish_blocking(inst)

#define	PICO9918_DIVMOD_U32(n, d, q, r)

#define	PICO9918_DMA_CLAIM()

#define	PICO9918_PIXEL_FROM_RGB12(rgb) ((PICO9918_PIXEL_T)(((rgb) & 0xFF0F) \| ((((rgb) & 0xFF0F) >> 12) << 4)))

#define	PICO9918_PIXEL_FROM_RGB12_PAIR(packed) ((packed) ^ (((packed) ^ ((packed) >> 8)) & 0x00F000F0u))

#define	PICO9918_PIXEL_PAIR(p) ((uint32_t)(p) * 0x10001u)

#define	PICO9918_LOW16(x) ((uint32_t)(uint16_t)(x))

#define	PICO9918_PIXEL_DARKEN(p) ((PICO9918_PIXEL_T)(((p) >> 2) & 0x333))

#define	PICO9918_PIXEL_PAIR_DIM(w) (((w) >> 1) & 0x07770777u)

#define	PICO9918_INK_PIXELS 2

#define	PICO9918_INK_FILL(fg) PICO9918_PIXEL_PAIR(fg)

#define	PICO9918_INK_DARKEN(w) (((w) >> 2) & 0x03330333u)

#define	PICO9918_INK_ONE(k) (0xffffu << ((k) * 16))

#define	PICO9918_EXPAND_INIT(lut) ((void)0)

#define	PICO9918_EXPAND_INDEXED(dst, src, n, lut)

#define	PICO9918_EXPAND_INDEXED_WIDE(dst, src, n, lut)

Typedefs
typedef uint16_t	PICO9918_PIXEL_T

typedef uint32_t	PICO9918_INK_T

typedef uint32_t	PICO9918_PALETTE_LUT_T

Variables
dma_channel_config	pico9918_copy_byte

dma_channel_config	pico9918_copy_word

Detailed Description

pico9918-core - Platform Abstraction (RP2040 / RP2350)

This code is licensed under the MIT license

https://github.com/visrealm/pico9918-core

Included by impl/platform.h when PICO_BUILD is defined. Do not include directly.

Definition in file platform_pico.h.

Macro Definition Documentation

◆ PICO9918_HOST_SET_INT

#define PICO9918_HOST_SET_INT ( active ) gpio_put(PICO9918_INT_GPIO, !(active))

Definition at line 47 of file platform_pico.h.

◆ PICO9918_SECTION_SCRATCH_X

#define PICO9918_SECTION_SCRATCH_X ( name ) __attribute__((section(".scratch_x." #name)))

Definition at line 54 of file platform_pico.h.

◆ PICO9918_SECTION_SCRATCH_Y

#define PICO9918_SECTION_SCRATCH_Y ( name ) __attribute__((section(".scratch_y." #name)))

Definition at line 55 of file platform_pico.h.

◆ PICO9918_UNINITIALIZED

#define PICO9918_UNINITIALIZED ( decl ) __uninitialized_ram(decl)

Definition at line 59 of file platform_pico.h.

◆ PICO9918_IN_FLASH_FUNC

#define PICO9918_IN_FLASH_FUNC ( fn ) fn

Definition at line 68 of file platform_pico.h.

◆ PICO9918_FILL_BORDER

#define PICO9918_FILL_BORDER 2u

Definition at line 121 of file platform_pico.h.

◆ PICO9918_FILL32_INIT

#define PICO9918_FILL32_INIT	(	inst,
		srcPtr
	)

Value:

  do \
  { \
    dma_channel_config _cfg = dma_channel_get_default_config(inst); \
    channel_config_set_read_increment(&_cfg, false); \
    channel_config_set_write_increment(&_cfg, true); \
    channel_config_set_transfer_data_size(&_cfg, DMA_SIZE_32); \
    dma_channel_set_config((inst), &_cfg, false); \
    dma_channel_set_read_addr((inst), (srcPtr), false); \
  } while (0)

Definition at line 124 of file platform_pico.h.

◆ PICO9918_FILL32_SET_COUNT

#define PICO9918_FILL32_SET_COUNT	(	inst,
		n
	)	dma_channel_set_trans_count((inst), (n), false)

Definition at line 135 of file platform_pico.h.

◆ PICO9918_FILL32_TRIGGER

#define PICO9918_FILL32_TRIGGER	(	inst,
		dstPtr
	)	dma_channel_set_write_addr((inst), (dstPtr), true)

Definition at line 136 of file platform_pico.h.

◆ PICO9918_FILL32_WAIT

#define PICO9918_FILL32_WAIT ( inst ) dma_channel_wait_for_finish_blocking(inst)

Definition at line 137 of file platform_pico.h.

◆ PICO9918_FILL_MASKS

#define PICO9918_FILL_MASKS 5u

Definition at line 151 of file platform_pico.h.

◆ PICO9918_FILL_LINE

#define PICO9918_FILL_LINE 6u

Definition at line 155 of file platform_pico.h.

◆ PICO9918_COPY

#define PICO9918_COPY 7u

Definition at line 159 of file platform_pico.h.

◆ PICO9918_COPY_STATE

#define PICO9918_COPY_STATE ( )

Value:

dma_channel_config pico9918_copy_byte; \

dma_channel_config pico9918_copy_word;

Definition at line 166 of file platform_pico.h.

◆ PICO9918_COPY_INIT

#define PICO9918_COPY_INIT ( inst )

Value:

  do \
  { \
    dma_channel_config _cfg = dma_channel_get_default_config(inst); \
    channel_config_set_write_increment(&_cfg, true); \
    channel_config_set_high_priority(&_cfg, true); \
    channel_config_set_transfer_data_size(&_cfg, DMA_SIZE_8); \
    pico9918_copy_byte = _cfg; \
    channel_config_set_transfer_data_size(&_cfg, DMA_SIZE_32); \
    pico9918_copy_word = _cfg; \
    dma_channel_set_config((inst), &pico9918_copy_byte, false); \
  } while (0)

Definition at line 170 of file platform_pico.h.

◆ PICO9918_COPY_SET_WIDTH

#define PICO9918_COPY_SET_WIDTH	(	inst,
		wordAligned
	)	dma_channel_set_config((inst), (wordAligned) ? &pico9918_copy_word : &pico9918_copy_byte, false)

Definition at line 183 of file platform_pico.h.

◆ PICO9918_COPY_SET_SRC

#define PICO9918_COPY_SET_SRC	(	inst,
		srcPtr
	)	dma_channel_set_read_addr((inst), (srcPtr), false)

Definition at line 186 of file platform_pico.h.

◆ PICO9918_COPY_SET_DST

#define PICO9918_COPY_SET_DST	(	inst,
		dstPtr
	)	dma_channel_set_write_addr((inst), (dstPtr), false)

Definition at line 187 of file platform_pico.h.

◆ PICO9918_COPY_TRIGGER

#define PICO9918_COPY_TRIGGER	(	inst,
		n
	)	dma_channel_set_trans_count((inst), (n), true)

Definition at line 188 of file platform_pico.h.

◆ PICO9918_COPY_WAIT

#define PICO9918_COPY_WAIT ( inst ) dma_channel_wait_for_finish_blocking(inst)

Definition at line 189 of file platform_pico.h.

◆ PICO9918_DIVMOD_U32

#define PICO9918_DIVMOD_U32	(	n,
		d,
		q,
		r
	)

Value:

  do \
  { \
    divmod_result_t _dm = divmod_u32u32((n), (d)); \
    (q)                 = to_quotient_u32(_dm); \
    (r)                 = to_remainder_u32(_dm); \
  } while (0)

Definition at line 193 of file platform_pico.h.

◆ PICO9918_DMA_CLAIM

#define PICO9918_DMA_CLAIM ( )

Value:

dma_claim_mask((1u << PICO9918_FILL_BORDER) | (1u << PICO9918_FILL_MASKS) | \

(1u << PICO9918_FILL_LINE) | (1u << PICO9918_COPY))

Definition at line 208 of file platform_pico.h.

◆ PICO9918_PIXEL_FROM_RGB12

#define PICO9918_PIXEL_FROM_RGB12 ( rgb ) ((PICO9918_PIXEL_T)(((rgb) & 0xFF0F) | ((((rgb) & 0xFF0F) >> 12) << 4)))

Definition at line 245 of file platform_pico.h.

◆ PICO9918_PIXEL_FROM_RGB12_PAIR

#define PICO9918_PIXEL_FROM_RGB12_PAIR ( packed ) ((packed) ^ (((packed) ^ ((packed) >> 8)) & 0x00F000F0u))

Definition at line 249 of file platform_pico.h.

◆ PICO9918_PIXEL_PAIR

#define PICO9918_PIXEL_PAIR ( p ) ((uint32_t)(p) * 0x10001u)

Definition at line 269 of file platform_pico.h.

◆ PICO9918_LOW16

#define PICO9918_LOW16 ( x ) ((uint32_t)(uint16_t)(x))

Definition at line 270 of file platform_pico.h.

◆ PICO9918_PIXEL_DARKEN

#define PICO9918_PIXEL_DARKEN ( p ) ((PICO9918_PIXEL_T)(((p) >> 2) & 0x333))

Definition at line 274 of file platform_pico.h.

◆ PICO9918_PIXEL_PAIR_DIM

#define PICO9918_PIXEL_PAIR_DIM ( w ) (((w) >> 1) & 0x07770777u)

Definition at line 280 of file platform_pico.h.

◆ PICO9918_INK_PIXELS

#define PICO9918_INK_PIXELS 2

Definition at line 288 of file platform_pico.h.

◆ PICO9918_INK_FILL

#define PICO9918_INK_FILL ( fg ) PICO9918_PIXEL_PAIR(fg)

Definition at line 289 of file platform_pico.h.

◆ PICO9918_INK_DARKEN

#define PICO9918_INK_DARKEN ( w ) (((w) >> 2) & 0x03330333u)

Definition at line 290 of file platform_pico.h.

◆ PICO9918_INK_ONE

#define PICO9918_INK_ONE ( k ) (0xffffu << ((k) * 16))

Definition at line 291 of file platform_pico.h.

◆ PICO9918_EXPAND_INIT

#define PICO9918_EXPAND_INIT ( lut ) ((void)0)

Definition at line 361 of file platform_pico.h.

◆ PICO9918_EXPAND_INDEXED

#define PICO9918_EXPAND_INDEXED	(	dst,
		src,
		n,
		lut
	)

Value:

  do \
  { \
    const uint8_t* _s              = (const uint8_t*)(src); \
    const uint8_t* _e              = _s + (n); \
    uint32_t* _d                   = (uint32_t*)(dst); \
    const PICO9918_PALETTE_LUT_T* _l = (lut); \
    while (_s < _e) \
    { \
      _d[0] = _l[_s[0]]; \
      _d[1] = _l[_s[1]]; \
      _d[2] = _l[_s[2]]; \
      _d[3] = _l[_s[3]]; \
      _d[4] = _l[_s[4]]; \
      _d[5] = _l[_s[5]]; \
      _d[6] = _l[_s[6]]; \
      _d[7] = _l[_s[7]]; \
      _d += 8; \
      _s += 8; \
    } \
  } while (0)

Definition at line 363 of file platform_pico.h.

◆ PICO9918_EXPAND_INDEXED_WIDE

#define PICO9918_EXPAND_INDEXED_WIDE	(	dst,
		src,
		n,
		lut
	)

Value:

  do \
  { \
    const uint8_t* _s              = (const uint8_t*)(src); \
    const uint8_t* _e              = _s + (n); \
    uint32_t* _d                   = (uint32_t*)(dst); \
    const PICO9918_PALETTE_LUT_T* _l = (lut); \
    while (_s < _e) \
    { \
      _d[0] = (_l[_s[0]] & 0xffff) | (_l[_s[1]] << 16); \
      _d[1] = (_l[_s[2]] & 0xffff) | (_l[_s[3]] << 16); \
      _d[2] = (_l[_s[4]] & 0xffff) | (_l[_s[5]] << 16); \
      _d[3] = (_l[_s[6]] & 0xffff) | (_l[_s[7]] << 16); \
      _d += 4; \
      _s += 8; \
    } \
  } while (0)

Definition at line 392 of file platform_pico.h.

Typedef Documentation

◆ PICO9918_PIXEL_T

typedef uint16_t PICO9918_PIXEL_T

Definition at line 243 of file platform_pico.h.

◆ PICO9918_INK_T

typedef uint32_t PICO9918_INK_T

Definition at line 287 of file platform_pico.h.

◆ PICO9918_PALETTE_LUT_T

typedef uint32_t PICO9918_PALETTE_LUT_T

Definition at line 297 of file platform_pico.h.

Macros

Typedefs

Variables

Detailed Description

Macro Definition Documentation

◆ PICO9918_HOST_SET_INT

◆ PICO9918_SECTION_SCRATCH_X

◆ PICO9918_SECTION_SCRATCH_Y

◆ PICO9918_UNINITIALIZED

◆ PICO9918_IN_FLASH_FUNC

◆ PICO9918_FILL_BORDER

◆ PICO9918_FILL32_INIT

◆ PICO9918_FILL32_SET_COUNT

◆ PICO9918_FILL32_TRIGGER

◆ PICO9918_FILL32_WAIT

◆ PICO9918_FILL_MASKS

◆ PICO9918_FILL_LINE

◆ PICO9918_COPY

◆ PICO9918_COPY_STATE

◆ PICO9918_COPY_INIT

◆ PICO9918_COPY_SET_WIDTH

◆ PICO9918_COPY_SET_SRC

◆ PICO9918_COPY_SET_DST

◆ PICO9918_COPY_TRIGGER

◆ PICO9918_COPY_WAIT

◆ PICO9918_DIVMOD_U32

◆ PICO9918_DMA_CLAIM

◆ PICO9918_PIXEL_FROM_RGB12

◆ PICO9918_PIXEL_FROM_RGB12_PAIR

◆ PICO9918_PIXEL_PAIR

◆ PICO9918_LOW16

◆ PICO9918_PIXEL_DARKEN

◆ PICO9918_PIXEL_PAIR_DIM

◆ PICO9918_INK_PIXELS

◆ PICO9918_INK_FILL

◆ PICO9918_INK_DARKEN

◆ PICO9918_INK_ONE

◆ PICO9918_EXPAND_INIT

◆ PICO9918_EXPAND_INDEXED

◆ PICO9918_EXPAND_INDEXED_WIDE

Typedef Documentation

◆ PICO9918_PIXEL_T

◆ PICO9918_INK_T

◆ PICO9918_PALETTE_LUT_T