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3 commits

Author SHA1 Message Date
Vinzenz Schroeter 389ced492c change typedef style, add optional logging
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2025-05-16 00:33:27 +02:00
Vinzenz Schroeter 0c6efcee56 add example for reading packages, fix functions return pointers to copy on stack 2025-05-15 23:48:03 +02:00
Vinzenz Schroeter 4ab5305377 add example helper, translate more examples
update to wip servicepoint lib
2025-05-10 15:01:49 +02:00
21 changed files with 558 additions and 225 deletions

103
Cargo.lock generated
View file

@ -8,6 +8,15 @@ version = "2.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
[[package]]
name = "aho-corasick"
version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
dependencies = [
"memchr",
]
[[package]]
name = "anstream"
version = "0.6.18"
@ -173,6 +182,29 @@ dependencies = [
"cfg-if",
]
[[package]]
name = "env_filter"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "186e05a59d4c50738528153b83b0b0194d3a29507dfec16eccd4b342903397d0"
dependencies = [
"log",
"regex",
]
[[package]]
name = "env_logger"
version = "0.11.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13c863f0904021b108aa8b2f55046443e6b1ebde8fd4a15c399893aae4fa069f"
dependencies = [
"anstream",
"anstyle",
"env_filter",
"jiff",
"log",
]
[[package]]
name = "equivalent"
version = "1.0.2"
@ -257,6 +289,30 @@ version = "1.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
[[package]]
name = "jiff"
version = "0.2.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f02000660d30638906021176af16b17498bd0d12813dbfe7b276d8bc7f3c0806"
dependencies = [
"jiff-static",
"log",
"portable-atomic",
"portable-atomic-util",
"serde",
]
[[package]]
name = "jiff-static"
version = "0.2.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f3c30758ddd7188629c6713fc45d1188af4f44c90582311d0c8d8c9907f60c48"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "jobserver"
version = "0.1.33"
@ -312,6 +368,21 @@ version = "0.3.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
[[package]]
name = "portable-atomic"
version = "1.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "350e9b48cbc6b0e028b0473b114454c6316e57336ee184ceab6e53f72c178b3e"
[[package]]
name = "portable-atomic-util"
version = "0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8a2f0d8d040d7848a709caf78912debcc3f33ee4b3cac47d73d1e1069e83507"
dependencies = [
"portable-atomic",
]
[[package]]
name = "proc-macro2"
version = "1.0.95"
@ -342,6 +413,35 @@ version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
[[package]]
name = "regex"
version = "1.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
dependencies = [
"aho-corasick",
"memchr",
"regex-automata",
"regex-syntax",
]
[[package]]
name = "regex-automata"
version = "0.4.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
[[package]]
name = "rust-lzma"
version = "0.6.0"
@ -415,8 +515,6 @@ dependencies = [
[[package]]
name = "servicepoint"
version = "0.14.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6bd5cfa49c73aeecb344680ffbf697abf73e0563a441b93b9723ae43867500f"
dependencies = [
"bitvec",
"bzip2",
@ -433,6 +531,7 @@ name = "servicepoint_binding_c"
version = "0.14.1"
dependencies = [
"cbindgen",
"env_logger",
"servicepoint",
]

View file

@ -18,13 +18,17 @@ crate-type = ["staticlib", "cdylib", "rlib"]
cbindgen = "0.28.0"
[dependencies.servicepoint]
package = "servicepoint"
version = "0.14.1"
default-features = false
[dependencies.env_logger]
version = "0.11.8"
optional = true
[features]
all_compressions = ["servicepoint/all_compressions"]
default = ["all_compressions", "servicepoint/default"]
default = ["all_compressions", "servicepoint/default", "env_logger"]
env_logger = ["dep:env_logger"]
[lints.rust]
missing-docs = "warn"

View file

@ -16,16 +16,18 @@ line_endings = "LF"
############################# Codegen Options ##################################
style = "type"
style = "both"
usize_is_size_t = true
# this is needed because otherwise the order in the C bindings is different on different machines
sort_by = "Name"
include_guard = "SERVICEPOINT_BINDINGS_C"
[parse]
parse_deps = true
include = ["servicepoint", "std"]
extra_bindings = ["servicepoint"]
extra_bindings = ["servicepoint", "servicepoint_binding_c"]
[parse.expand]
features = ["full"]

View file

@ -1,7 +1,7 @@
CARGO ?= cargo
STRIP ?= strip
FEATURES := ""
FEATURES := "env_logger"
THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
REPO_ROOT := $(realpath $(THIS_DIR)/..)
@ -10,7 +10,7 @@ export SERVICEPOINT_HEADER_OUT := $(REPO_ROOT)/include
override CFG_MUSL := $(if $(CFG_MUSL),$(CFG_MUSL),$(if $(MUSL),$(MUSL),0))
override CFG_PROFILE := $(if $(CFG_PROFILE),$(CFG_PROFILE),$(if $(PROFILE),$(PROFILE),release))
CCFLAGS += -Wall -fwhole-program -fPIE -pie
CCFLAGS += -Wall -Wextra -pedantic -fwhole-program -fPIE -pie
STRIPFLAGS := -s --strip-unneeded -R .comment -R .gnu.version -R .note -R .note.gnu.build-id -R .note.ABI-tag
@ -99,7 +99,7 @@ clean-rust:
.PHONY: all clean sizes $(_run_programs) clean-c clean-rust
$(_unstripped_bins): out/%_unstripped: src/%.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(_sp_artifacts)
$(_unstripped_bins): out/%_unstripped: src/%.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h src/helpers.h $(_sp_artifacts)
mkdir -p out || true
$(CC) $< \
-I $(SERVICEPOINT_HEADER_OUT) \

View file

@ -1,16 +1,9 @@
#include <stdio.h>
#include "servicepoint.h"
#include "helpers.h"
int main(void) {
printf("test\n");
sock_init();
UdpSocket *connection = sp_udp_open_ipv4(172, 23, 42, 29, 2342);
//UdpSocket *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
if (connection == NULL)
return 1;
sp_udp_send_header(connection, (Header) {.command_code = COMMAND_CODE_CLEAR});
sp_udp_send_header(sock, (Header) {.command_code = COMMAND_CODE_CLEAR});
CharGrid *grid = sp_char_grid_new(5, 2);
if (grid == NULL)
@ -30,8 +23,7 @@ int main(void) {
Packet *packet = sp_char_grid_into_packet(grid, 0, 0);
if (packet == NULL)
return 1;
sp_udp_send_packet(connection, packet);
sp_udp_send_packet(sock, packet);
sp_udp_free(connection);
return 0;
}

View file

@ -1,6 +1,5 @@
#include "servicepoint.h"
static UdpSocket *connection = NULL;
#include "helpers.h"
void enable_all_pixels(void) {
Bitmap *all_on = sp_bitmap_new_max_sized();
@ -9,26 +8,18 @@ void enable_all_pixels(void) {
BitmapCommand *bitmapCommand = sp_cmd_bitmap_from_bitmap(all_on);
Packet *packet = sp_cmd_bitmap_try_into_packet(bitmapCommand);
if (packet != NULL)
sp_udp_send_packet(connection, packet);
sp_udp_send_packet(sock, packet);
}
void make_brightness_pattern(BrightnessGrid *grid) {
ByteSlice slice = sp_brightness_grid_unsafe_data_ref(grid);
for (size_t index = 0; index < slice.length; index++) {
slice.start[index] = (uint8_t) (index % ((size_t) Brightness_MAX));
slice.start[index] = (uint8_t)(index % ((size_t) Brightness_MAX));
}
}
void run_at_exit() {
sp_udp_free(connection);
}
int main(void) {
//UdpSocket *connection = sp_udp_open_ipv4(172, 23, 42, 29, 2342);
connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
if (connection == NULL)
return -1;
atexit(run_at_exit);
sock_init();
enable_all_pixels();
@ -39,6 +30,6 @@ int main(void) {
if (packet == NULL)
return -2;
sp_udp_send_packet(connection, packet);
sp_udp_send_packet(sock, packet);
return 0;
}

View file

@ -0,0 +1,76 @@
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdbool.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <string.h>
#include "servicepoint.h"
#define DEFAULT_LISTEN_IP "127.0.0.1"
void handle_error(const char *msg) {
perror(msg);
exit(EXIT_FAILURE);
}
int main(int argc, char **argv) {
init_env_logger();
int udp_socket = socket(AF_INET, SOCK_DGRAM, 0);
if (udp_socket == -1)
handle_error("socket could not be created\n");
char *listen_addr_arg;
if (argc > 1) {
listen_addr_arg = argv[1];
} else {
listen_addr_arg = DEFAULT_LISTEN_IP;
}
struct in_addr addr;
if (inet_aton(listen_addr_arg, &addr) == 0)
handle_error("listen ip could not be parsed\n");
struct sockaddr_in sockaddrIn = {
.sin_addr = addr,
.sin_family = AF_INET,
.sin_port = htons(2342),
};
memset(sockaddrIn.sin_zero, 0, sizeof(sockaddrIn.sin_zero));
if (bind(udp_socket, (struct sockaddr *) &sockaddrIn, sizeof(sockaddrIn)) == -1)
handle_error("could not bind socket\n");
printf("socket ready to receive on %s\n", listen_addr_arg);
uint8_t buffer[10000];
bool done = false;
while (!done) {
memset(buffer, 0, sizeof(buffer));
ssize_t num_bytes = recv(udp_socket, (void *) buffer, sizeof(buffer), 0);
if (num_bytes == -1)
handle_error("could not read from client");
Packet *packet = sp_packet_try_load((ByteSlice) {
.start = buffer,
.length = num_bytes,
});
if (packet == NULL) {
printf("received invalid packet\n");
continue;
}
struct Header *header = sp_packet_get_header(packet);
ByteSlice payload = sp_packet_get_payload(packet);
printf("Received packet: cc=%d, a=%d, b=%d, c=%d, d=%d, payload=%p (len %zu)\n",
header->command_code, header->a, header->b, header->c, header->d,
payload.start, payload.length);
done = header->command_code == COMMAND_CODE_HARD_RESET;
sp_packet_free(packet);
}
exit(EXIT_SUCCESS);
}

45
example/src/helpers.h Normal file
View file

@ -0,0 +1,45 @@
#pragma once
#ifndef SERVICEPOINT_BINDING_C_MSLEEP_H
#define SERVICEPOINT_BINDING_C_MSLEEP_H
#include <time.h>
#include <errno.h>
#include <stdlib.h>
#include "servicepoint.h"
static UdpSocket *sock = NULL;
void sock_free() {
sp_udp_free(sock);
}
void sock_init() {
//sock = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
sock = sp_udp_open_ipv4(172, 23, 42, 29, 2342);
if (sock == NULL)
exit(-1);
atexit(sock_free);
}
/// TODO: all of this for sleeping n ms? There should be a better way!
int msleep(long msec) {
int res;
if (msec < 0) {
errno = EINVAL;
return -1;
}
struct timespec ts = {
.tv_sec = msec / 1000,
.tv_nsec = (msec % 1000) * 1000000,
};
do {
res = nanosleep(&ts, &ts);
} while (res && errno == EINTR);
return res;
}
#endif //SERVICEPOINT_BINDING_C_MSLEEP_H

34
example/src/moving_line.c Normal file
View file

@ -0,0 +1,34 @@
#include "servicepoint.h"
#include "helpers.h"
int main(void) {
sock_init();
int result = 0;
Bitmap *bitmap = sp_bitmap_new_max_sized();
for (size_t x = 0; x < sp_bitmap_width(bitmap); x++) {
sp_bitmap_fill(bitmap, false);
for (size_t y = 0; y < sp_bitmap_height(bitmap); y++) {
sp_bitmap_set(bitmap, (y + x) % PIXEL_WIDTH, y, true);
}
BitmapCommand *command = sp_cmd_bitmap_from_bitmap(sp_bitmap_clone(bitmap));
Packet *packet = sp_cmd_bitmap_try_into_packet(command);
if (packet == NULL) {
result = -2;
goto exit;
}
if (!sp_udp_send_packet(sock, packet)) {
result = -3;
goto exit;
}
msleep(SP_FRAME_PACING_MS);
}
exit:
sp_bitmap_free(bitmap);
return result;
}

View file

@ -1,10 +1,9 @@
#include <stdio.h>
#include "servicepoint.h"
#include "helpers.h"
int main(void) {
UdpSocket *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
if (connection == NULL)
return 1;
sock_init();
Bitmap *pixels = sp_bitmap_new(PIXEL_WIDTH, PIXEL_HEIGHT);
if (pixels == NULL)
@ -19,8 +18,6 @@ int main(void) {
Header *header = sp_packet_get_header(packet);
printf("[%d, %d, %d, %d, %d]\n", header->command_code, header->a, header->b, header->c, header->d);
sp_udp_send_packet(connection, packet);
sp_udp_free(connection);
sp_udp_send_packet(sock, packet);
return 0;
}

View file

@ -0,0 +1,34 @@
#include "servicepoint.h"
#include "helpers.h"
int main() {
sock_init();
Bitmap *enabled_pixels = sp_bitmap_new_max_sized();
sp_bitmap_fill(enabled_pixels, true);
int result = 0;
for (int x = 0; x < PIXEL_WIDTH; x++) {
for (int y = 0; y < PIXEL_HEIGHT; y++) {
sp_bitmap_set(enabled_pixels, x, y, false);
}
BitVec *bitvec = sp_bitmap_into_bitvec(sp_bitmap_clone(enabled_pixels));
BitVecCommand *command = sp_cmd_bitvec_new(bitvec, 0, BINARY_OPERATION_AND, COMPRESSION_CODE_LZMA);
Packet *packet = sp_cmd_bitvec_try_into_packet(command);
if (packet == NULL) {
result = -2;
goto exit;
}
if (!sp_udp_send_packet(sock, packet)) {
result = -3;
goto exit;
}
msleep(SP_FRAME_PACING_MS);
}
exit:
sp_bitmap_free(enabled_pixels);
return result;
}

View file

@ -1,3 +1,6 @@
#ifndef SERVICEPOINT_BINDINGS_C
#define SERVICEPOINT_BINDINGS_C
/* Generated with cbindgen:0.28.0 */
/* Warning, this file is autogenerated by cbindgen. Don't modify this manually. */
@ -446,12 +449,19 @@ typedef struct ValueGrid_u8 ValueGrid_u8;
* - accesses to the memory pointed to with `start` is never accessed outside `length`
* - the lifetime of the `CByteSlice` does not outlive the memory it points to, as described in
* the function returning this type.
* - if `start` is NULL or `length` is 0, do not dereference `start`.
*
* # Examples
*
* ```c
* ByteSlice empty = {.start: NULL, .length = 0};
* ```
*/
typedef struct {
typedef struct ByteSlice {
/**
* The start address of the memory.
*/
uint8_t */*notnull*/ start;
uint8_t *start;
/**
* The amount of memory in bytes.
*/
@ -476,7 +486,7 @@ typedef struct {
* }).unwrap()
* ```
*/
typedef ValueGrid_Brightness BrightnessGrid;
typedef struct ValueGrid_Brightness BrightnessGrid;
/**
* A display brightness value, checked for correct value range
@ -522,7 +532,7 @@ typedef uint8_t Brightness;
* connection.send_command(command).unwrap()
* ```
*/
typedef ValueGrid_char CharGrid;
typedef struct ValueGrid_char CharGrid;
/**
* Type alias for documenting the meaning of the u16 in enum values
@ -534,23 +544,23 @@ typedef size_t Offset;
*
* The encoding is currently not enforced.
*/
typedef ValueGrid_u8 Cp437Grid;
typedef struct ValueGrid_u8 Cp437Grid;
/**
* Pointer to one of the available command structs.
*/
typedef union {
typedef union CommandUnion {
uint8_t *null;
BitmapCommand */*notnull*/ bitmap;
BitVecCommand */*notnull*/ bitvec;
BrightnessGridCommand */*notnull*/ brightness_grid;
CharGridCommand */*notnull*/ char_grid;
Cp437GridCommand */*notnull*/ cp437_grid;
GlobalBrightnessCommand */*notnull*/ global_brightness;
ClearCommand */*notnull*/ clear;
BitmapLegacyCommand */*notnull*/ bitmap_legacy;
HardResetCommand */*notnull*/ hard_reset;
FadeOutCommand */*notnull*/ fade_out;
struct BitmapCommand */*notnull*/ bitmap;
struct BitVecCommand */*notnull*/ bitvec;
struct BrightnessGridCommand */*notnull*/ brightness_grid;
struct CharGridCommand */*notnull*/ char_grid;
struct Cp437GridCommand */*notnull*/ cp437_grid;
struct GlobalBrightnessCommand */*notnull*/ global_brightness;
struct ClearCommand */*notnull*/ clear;
struct BitmapLegacyCommand */*notnull*/ bitmap_legacy;
struct HardResetCommand */*notnull*/ hard_reset;
struct FadeOutCommand */*notnull*/ fade_out;
} CommandUnion;
/**
@ -560,7 +570,7 @@ typedef union {
*
* Rust equivalent: [TypedCommand].
*/
typedef struct {
typedef struct Command {
/**
* Specifies which kind of command struct is contained in `data`
*/
@ -568,7 +578,7 @@ typedef struct {
/**
* The pointer to the command struct
*/
CommandUnion data;
union CommandUnion data;
} Command;
/**
@ -581,7 +591,7 @@ typedef struct {
*
* The contained values are in platform endian-ness and may need to be converted before sending.
*/
typedef struct {
typedef struct Header {
/**
* The first two bytes specify which command this packet represents.
*/
@ -606,14 +616,23 @@ typedef struct {
/**
* Actual hardware limit is around 28-29ms/frame. Rounded up for less dropped packets.
*/
#define SP_FRAME_PACING_MS 30
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
void init_env_logger(void);
/**
* Clones a [Bitmap].
*/
Bitmap */*notnull*/ sp_bitmap_clone(Bitmap */*notnull*/ bitmap);
struct Bitmap */*notnull*/ sp_bitmap_clone(struct Bitmap */*notnull*/ bitmap);
/**
* Sets the state of all pixels in the [Bitmap].
@ -623,12 +642,12 @@ Bitmap */*notnull*/ sp_bitmap_clone(Bitmap */*notnull*/ bitmap);
* - `bitmap`: instance to write to
* - `value`: the value to set all pixels to
*/
void sp_bitmap_fill(Bitmap */*notnull*/ bitmap, bool value);
void sp_bitmap_fill(struct Bitmap */*notnull*/ bitmap, bool value);
/**
* Deallocates a [Bitmap].
*/
void sp_bitmap_free(Bitmap */*notnull*/ bitmap);
void sp_bitmap_free(struct Bitmap */*notnull*/ bitmap);
/**
* Tries to convert the BitVec to a Bitmap.
@ -637,7 +656,7 @@ void sp_bitmap_free(Bitmap */*notnull*/ bitmap);
*
* Returns NULL in case of error.
*/
Bitmap *sp_bitmap_from_bitvec(size_t width, BitVec */*notnull*/ bitvec);
struct Bitmap *sp_bitmap_from_bitvec(size_t width, BitVec */*notnull*/ bitvec);
/**
* Gets the current value at the specified position in the [Bitmap].
@ -651,7 +670,7 @@ Bitmap *sp_bitmap_from_bitvec(size_t width, BitVec */*notnull*/ bitvec);
*
* - when accessing `x` or `y` out of bounds
*/
bool sp_bitmap_get(Bitmap */*notnull*/ bitmap, size_t x, size_t y);
bool sp_bitmap_get(struct Bitmap */*notnull*/ bitmap, size_t x, size_t y);
/**
* Gets the height in pixels of the [Bitmap] instance.
@ -660,12 +679,12 @@ bool sp_bitmap_get(Bitmap */*notnull*/ bitmap, size_t x, size_t y);
*
* - `bitmap`: instance to read from
*/
size_t sp_bitmap_height(Bitmap */*notnull*/ bitmap);
size_t sp_bitmap_height(struct Bitmap */*notnull*/ bitmap);
/**
* Consumes the Bitmap and returns the contained BitVec
*/
BitVec */*notnull*/ sp_bitmap_into_bitvec(Bitmap */*notnull*/ bitmap);
BitVec */*notnull*/ sp_bitmap_into_bitvec(struct Bitmap */*notnull*/ bitmap);
/**
* Creates a [BitmapCommand] and immediately turns that into a [Packet].
@ -674,7 +693,7 @@ BitVec */*notnull*/ sp_bitmap_into_bitvec(Bitmap */*notnull*/ bitmap);
*
* Returns NULL in case of an error.
*/
Packet *sp_bitmap_into_packet(Bitmap */*notnull*/ bitmap,
struct Packet *sp_bitmap_into_packet(struct Bitmap */*notnull*/ bitmap,
size_t x,
size_t y,
CompressionCode compression);
@ -689,9 +708,9 @@ Packet *sp_bitmap_into_packet(Bitmap */*notnull*/ bitmap,
*
* returns: [Bitmap] that contains a copy of the provided data, or NULL in case of an error.
*/
Bitmap *sp_bitmap_load(size_t width,
struct Bitmap *sp_bitmap_load(size_t width,
size_t height,
ByteSlice data);
struct ByteSlice data);
/**
* Creates a new [Bitmap] with the specified dimensions.
@ -718,14 +737,14 @@ Bitmap *sp_bitmap_load(size_t width,
* sp_bitmap_free(grid);
* ```
*/
Bitmap *sp_bitmap_new(size_t width, size_t height);
struct Bitmap *sp_bitmap_new(size_t width, size_t height);
/**
* Creates a new [Bitmap] with a size matching the screen.
*
* returns: [Bitmap] initialized to all pixels off.
*/
Bitmap */*notnull*/ sp_bitmap_new_max_sized(void);
struct Bitmap */*notnull*/ sp_bitmap_new_max_sized(void);
/**
* Sets the value of the specified position in the [Bitmap].
@ -740,14 +759,17 @@ Bitmap */*notnull*/ sp_bitmap_new_max_sized(void);
*
* - when accessing `x` or `y` out of bounds
*/
void sp_bitmap_set(Bitmap */*notnull*/ bitmap, size_t x, size_t y, bool value);
void sp_bitmap_set(struct Bitmap */*notnull*/ bitmap,
size_t x,
size_t y,
bool value);
/**
* Gets an unsafe reference to the data of the [Bitmap] instance.
*
* The returned memory is valid for the lifetime of the bitmap.
*/
ByteSlice sp_bitmap_unsafe_data_ref(Bitmap */*notnull*/ bitmap);
struct ByteSlice sp_bitmap_unsafe_data_ref(struct Bitmap */*notnull*/ bitmap);
/**
* Gets the width in pixels of the [Bitmap] instance.
@ -766,7 +788,7 @@ ByteSlice sp_bitmap_unsafe_data_ref(Bitmap */*notnull*/ bitmap);
*
* - `bitmap` points to a valid [Bitmap]
*/
size_t sp_bitmap_width(Bitmap */*notnull*/ bitmap);
size_t sp_bitmap_width(struct Bitmap */*notnull*/ bitmap);
/**
* Clones a [DisplayBitVec].
@ -811,7 +833,7 @@ bool sp_bitvec_get(BitVec */*notnull*/ bit_vec, size_t index);
*
* Returns NULL in case of an error.
*/
Packet *sp_bitvec_into_packet(BitVec */*notnull*/ bitvec,
struct Packet *sp_bitvec_into_packet(BitVec */*notnull*/ bitvec,
size_t offset,
BinaryOperation operation,
CompressionCode compression);
@ -839,7 +861,7 @@ size_t sp_bitvec_len(BitVec */*notnull*/ bit_vec);
*
* returns: [DisplayBitVec] instance containing data.
*/
BitVec */*notnull*/ sp_bitvec_load(ByteSlice data);
BitVec */*notnull*/ sp_bitvec_load(struct ByteSlice data);
/**
* Creates a new [DisplayBitVec] instance.
@ -880,7 +902,7 @@ void sp_bitvec_set(BitVec */*notnull*/ bit_vec, size_t index, bool value);
*
* - `bit_vec`: instance to write to
*/
ByteSlice sp_bitvec_unsafe_data_ref(BitVec */*notnull*/ bit_vec);
struct ByteSlice sp_bitvec_unsafe_data_ref(BitVec */*notnull*/ bit_vec);
/**
* Clones a [BrightnessGrid].
@ -938,7 +960,7 @@ size_t sp_brightness_grid_height(BrightnessGrid */*notnull*/ brightness_grid);
*
* Returns NULL in case of an error.
*/
Packet *sp_brightness_grid_into_packet(BrightnessGrid */*notnull*/ grid,
struct Packet *sp_brightness_grid_into_packet(BrightnessGrid */*notnull*/ grid,
size_t x,
size_t y);
@ -951,7 +973,7 @@ Packet *sp_brightness_grid_into_packet(BrightnessGrid */*notnull*/ grid,
*/
BrightnessGrid *sp_brightness_grid_load(size_t width,
size_t height,
ByteSlice data);
struct ByteSlice data);
/**
* Creates a new [BrightnessGrid] with the specified dimensions.
@ -1005,7 +1027,7 @@ void sp_brightness_grid_set(BrightnessGrid */*notnull*/ brightness_grid,
*
* returns: slice of bytes underlying the `brightness_grid`.
*/
ByteSlice sp_brightness_grid_unsafe_data_ref(BrightnessGrid */*notnull*/ brightness_grid);
struct ByteSlice sp_brightness_grid_unsafe_data_ref(BrightnessGrid */*notnull*/ brightness_grid);
/**
* Gets the width of the [BrightnessGrid] instance.
@ -1068,7 +1090,7 @@ size_t sp_char_grid_height(CharGrid */*notnull*/ char_grid);
*
* Returns NULL in case of an error.
*/
Packet *sp_char_grid_into_packet(CharGrid */*notnull*/ grid,
struct Packet *sp_char_grid_into_packet(CharGrid */*notnull*/ grid,
size_t x,
size_t y);
@ -1077,7 +1099,7 @@ Packet *sp_char_grid_into_packet(CharGrid */*notnull*/ grid,
*
* returns: new CharGrid or NULL in case of an error
*/
CharGrid *sp_char_grid_load(size_t width, size_t height, ByteSlice data);
CharGrid *sp_char_grid_load(size_t width, size_t height, struct ByteSlice data);
/**
* Creates a new [CharGrid] with the specified dimensions.
@ -1129,12 +1151,12 @@ size_t sp_char_grid_width(CharGrid */*notnull*/ char_grid);
*
* returns: a new [BitmapCommand] instance.
*/
BitmapCommand */*notnull*/ sp_cmd_bitmap_clone(BitmapCommand */*notnull*/ command);
struct BitmapCommand */*notnull*/ sp_cmd_bitmap_clone(struct BitmapCommand */*notnull*/ command);
/**
* Deallocates a [BitmapCommand] instance.
*/
void sp_cmd_bitmap_free(BitmapCommand */*notnull*/ command);
void sp_cmd_bitmap_free(struct BitmapCommand */*notnull*/ command);
/**
* Move the provided [Bitmap] into a new [BitmapCommand],
@ -1142,7 +1164,7 @@ void sp_cmd_bitmap_free(BitmapCommand */*notnull*/ command);
*
* Rust equivalent: `BitmapCommand::from(bitmap)`
*/
BitmapCommand */*notnull*/ sp_cmd_bitmap_from_bitmap(Bitmap */*notnull*/ bitmap);
struct BitmapCommand */*notnull*/ sp_cmd_bitmap_from_bitmap(struct Bitmap */*notnull*/ bitmap);
/**
* Returns a pointer to the provided `BitmapCommand`.
@ -1152,17 +1174,17 @@ BitmapCommand */*notnull*/ sp_cmd_bitmap_from_bitmap(Bitmap */*notnull*/ bitmap)
* - The returned bitmap inherits the lifetime of the command in which it is contained.
* - The returned pointer may not be used in a function that consumes the instance, e.g. to create a command.
*/
Bitmap */*notnull*/ sp_cmd_bitmap_get(BitmapCommand */*notnull*/ command);
struct Bitmap */*notnull*/ sp_cmd_bitmap_get(struct BitmapCommand */*notnull*/ command);
/**
* Reads the compression kind of the [BitmapCommand].
*/
CompressionCode sp_cmd_bitmap_get_compression(BitmapCommand */*notnull*/ command);
CompressionCode sp_cmd_bitmap_get_compression(struct BitmapCommand */*notnull*/ command);
/**
* Reads the origin field of the [BitmapCommand].
*/
void sp_cmd_bitmap_get_origin(BitmapCommand */*notnull*/ command,
void sp_cmd_bitmap_get_origin(struct BitmapCommand */*notnull*/ command,
size_t */*notnull*/ origin_x,
size_t */*notnull*/ origin_y);
@ -1173,7 +1195,7 @@ void sp_cmd_bitmap_get_origin(BitmapCommand */*notnull*/ command,
*
* Returns: a new [BitmapCommand] instance.
*/
BitmapCommand */*notnull*/ sp_cmd_bitmap_new(Bitmap */*notnull*/ bitmap,
struct BitmapCommand */*notnull*/ sp_cmd_bitmap_new(struct Bitmap */*notnull*/ bitmap,
size_t origin_x,
size_t origin_y,
CompressionCode compression);
@ -1181,19 +1203,19 @@ BitmapCommand */*notnull*/ sp_cmd_bitmap_new(Bitmap */*notnull*/ bitmap,
/**
* Moves the provided [Bitmap] to be contained in the [BitmapCommand].
*/
void sp_cmd_bitmap_set(BitmapCommand */*notnull*/ command,
Bitmap */*notnull*/ bitmap);
void sp_cmd_bitmap_set(struct BitmapCommand */*notnull*/ command,
struct Bitmap */*notnull*/ bitmap);
/**
* Overwrites the compression kind of the [BitmapCommand].
*/
void sp_cmd_bitmap_set_compression(BitmapCommand */*notnull*/ command,
void sp_cmd_bitmap_set_compression(struct BitmapCommand */*notnull*/ command,
CompressionCode compression);
/**
* Overwrites the origin field of the [BitmapCommand].
*/
void sp_cmd_bitmap_set_origin(BitmapCommand */*notnull*/ command,
void sp_cmd_bitmap_set_origin(struct BitmapCommand */*notnull*/ command,
size_t origin_x,
size_t origin_y);
@ -1202,39 +1224,39 @@ void sp_cmd_bitmap_set_origin(BitmapCommand */*notnull*/ command,
*
* Returns: NULL or a [Packet] containing the command.
*/
Packet *sp_cmd_bitmap_try_into_packet(BitmapCommand */*notnull*/ command);
struct Packet *sp_cmd_bitmap_try_into_packet(struct BitmapCommand */*notnull*/ command);
/**
* Clones an [BitVecCommand] instance.
*
* returns: a new [BitVecCommand] instance.
*/
BitVecCommand */*notnull*/ sp_cmd_bitvec_clone(BitVecCommand */*notnull*/ command);
struct BitVecCommand */*notnull*/ sp_cmd_bitvec_clone(struct BitVecCommand */*notnull*/ command);
/**
* Deallocates a [BitVecCommand].
*/
void sp_cmd_bitvec_free(BitVecCommand */*notnull*/ command);
void sp_cmd_bitvec_free(struct BitVecCommand */*notnull*/ command);
/**
* Returns a pointer to the [BitVec] contained in the [BitVecCommand].
*/
BitVec *sp_cmd_bitvec_get(BitVecCommand */*notnull*/ command);
BitVec *sp_cmd_bitvec_get(struct BitVecCommand */*notnull*/ command);
/**
* Reads the compression kind of the [BitVecCommand].
*/
CompressionCode sp_cmd_bitvec_get_compression(BitVecCommand */*notnull*/ command);
CompressionCode sp_cmd_bitvec_get_compression(struct BitVecCommand */*notnull*/ command);
/**
* Reads the offset field of the [BitVecCommand].
*/
Offset sp_cmd_bitvec_get_offset(BitVecCommand */*notnull*/ command);
Offset sp_cmd_bitvec_get_offset(struct BitVecCommand */*notnull*/ command);
/**
* Returns the [BinaryOperation] of the command.
*/
BinaryOperation sp_cmd_bitvec_get_operation(BitVecCommand */*notnull*/ command);
BinaryOperation sp_cmd_bitvec_get_operation(struct BitVecCommand */*notnull*/ command);
/**
* Set pixel data starting at the pixel offset on screen.
@ -1250,7 +1272,7 @@ BinaryOperation sp_cmd_bitvec_get_operation(BitVecCommand */*notnull*/ command);
*
* The contained [`DisplayBitVec`] is always uncompressed.
*/
BitVecCommand */*notnull*/ sp_cmd_bitvec_new(BitVec */*notnull*/ bitvec,
struct BitVecCommand */*notnull*/ sp_cmd_bitvec_new(BitVec */*notnull*/ bitvec,
size_t offset,
BinaryOperation operation,
CompressionCode compression);
@ -1258,25 +1280,25 @@ BitVecCommand */*notnull*/ sp_cmd_bitvec_new(BitVec */*notnull*/ bitvec,
/**
* Moves the provided [BitVec] to be contained in the [BitVecCommand].
*/
void sp_cmd_bitvec_set(BitVecCommand */*notnull*/ command,
void sp_cmd_bitvec_set(struct BitVecCommand */*notnull*/ command,
BitVec */*notnull*/ bitvec);
/**
* Overwrites the compression kind of the [BitVecCommand].
*/
void sp_cmd_bitvec_set_compression(BitVecCommand */*notnull*/ command,
void sp_cmd_bitvec_set_compression(struct BitVecCommand */*notnull*/ command,
CompressionCode compression);
/**
* Overwrites the offset field of the [BitVecCommand].
*/
void sp_cmd_bitvec_set_offset(BitVecCommand */*notnull*/ command,
void sp_cmd_bitvec_set_offset(struct BitVecCommand */*notnull*/ command,
Offset offset);
/**
* Overwrites the [BinaryOperation] of the command.
*/
void sp_cmd_bitvec_set_operation(BitVecCommand */*notnull*/ command,
void sp_cmd_bitvec_set_operation(struct BitVecCommand */*notnull*/ command,
BinaryOperation operation);
/**
@ -1284,32 +1306,32 @@ void sp_cmd_bitvec_set_operation(BitVecCommand */*notnull*/ command,
*
* Returns: NULL or a [Packet] containing the command.
*/
Packet *sp_cmd_bitvec_try_into_packet(BitVecCommand */*notnull*/ command);
struct Packet *sp_cmd_bitvec_try_into_packet(struct BitVecCommand */*notnull*/ command);
/**
* Clones an [GlobalBrightnessCommand] instance.
*
* returns: a new [GlobalBrightnessCommand] instance.
*/
GlobalBrightnessCommand */*notnull*/ sp_cmd_brightness_global_clone(GlobalBrightnessCommand */*notnull*/ command);
struct GlobalBrightnessCommand */*notnull*/ sp_cmd_brightness_global_clone(struct GlobalBrightnessCommand */*notnull*/ command);
void sp_cmd_brightness_global_free(BitmapCommand */*notnull*/ command);
void sp_cmd_brightness_global_free(struct BitmapCommand */*notnull*/ command);
Brightness *sp_cmd_brightness_global_get(GlobalBrightnessCommand */*notnull*/ command);
Brightness *sp_cmd_brightness_global_get(struct GlobalBrightnessCommand */*notnull*/ command);
Packet */*notnull*/ sp_cmd_brightness_global_into_packet(GlobalBrightnessCommand */*notnull*/ command);
struct Packet */*notnull*/ sp_cmd_brightness_global_into_packet(struct GlobalBrightnessCommand */*notnull*/ command);
/**
* Set the brightness of all tiles to the same value.
*
* Returns: a new [GlobalBrightnessCommand] instance.
*/
GlobalBrightnessCommand */*notnull*/ sp_cmd_brightness_global_new(Brightness brightness);
struct GlobalBrightnessCommand */*notnull*/ sp_cmd_brightness_global_new(Brightness brightness);
/**
* Moves the provided bitmap to be contained in the command.
*/
void sp_cmd_brightness_global_set(GlobalBrightnessCommand */*notnull*/ command,
void sp_cmd_brightness_global_set(struct GlobalBrightnessCommand */*notnull*/ command,
Brightness brightness);
/**
@ -1317,28 +1339,28 @@ void sp_cmd_brightness_global_set(GlobalBrightnessCommand */*notnull*/ command,
*
* returns: a new [BrightnessGridCommand] instance.
*/
BrightnessGridCommand */*notnull*/ sp_cmd_brightness_grid_clone(BrightnessGridCommand */*notnull*/ command);
struct BrightnessGridCommand */*notnull*/ sp_cmd_brightness_grid_clone(struct BrightnessGridCommand */*notnull*/ command);
/**
* Deallocates a [BitmapCommand].
*/
void sp_cmd_brightness_grid_free(BitmapCommand */*notnull*/ command);
void sp_cmd_brightness_grid_free(struct BitmapCommand */*notnull*/ command);
/**
* Moves the provided [BrightnessGrid] into a new [BrightnessGridCommand],
* leaving other fields as their default values.
*/
BrightnessGridCommand */*notnull*/ sp_cmd_brightness_grid_from_grid(BrightnessGrid */*notnull*/ grid);
struct BrightnessGridCommand */*notnull*/ sp_cmd_brightness_grid_from_grid(BrightnessGrid */*notnull*/ grid);
/**
* Returns a pointer to the [BrightnessGrid] contained in the [BrightnessGridCommand].
*/
BrightnessGrid *sp_cmd_brightness_grid_get(BrightnessGridCommand */*notnull*/ command);
BrightnessGrid *sp_cmd_brightness_grid_get(struct BrightnessGridCommand */*notnull*/ command);
/**
* Overwrites the origin field of the [BrightnessGridCommand].
*/
void sp_cmd_brightness_grid_get_origin(BrightnessGridCommand */*notnull*/ command,
void sp_cmd_brightness_grid_get_origin(struct BrightnessGridCommand */*notnull*/ command,
size_t */*notnull*/ origin_x,
size_t */*notnull*/ origin_y);
@ -1347,7 +1369,7 @@ void sp_cmd_brightness_grid_get_origin(BrightnessGridCommand */*notnull*/ comman
*
* Returns: NULL or a [Packet] containing the command.
*/
Packet *sp_cmd_brightness_grid_into_packet(BrightnessGridCommand */*notnull*/ command);
struct Packet *sp_cmd_brightness_grid_into_packet(struct BrightnessGridCommand */*notnull*/ command);
/**
* Set the brightness of individual tiles in a rectangular area of the display.
@ -1356,20 +1378,20 @@ Packet *sp_cmd_brightness_grid_into_packet(BrightnessGridCommand */*notnull*/ co
*
* Returns: a new [BrightnessGridCommand] instance.
*/
BrightnessGridCommand */*notnull*/ sp_cmd_brightness_grid_new(BrightnessGrid */*notnull*/ grid,
struct BrightnessGridCommand */*notnull*/ sp_cmd_brightness_grid_new(BrightnessGrid */*notnull*/ grid,
size_t origin_x,
size_t origin_y);
/**
* Moves the provided [BrightnessGrid] to be contained in the [BrightnessGridCommand].
*/
void sp_cmd_brightness_grid_set(BrightnessGridCommand */*notnull*/ command,
void sp_cmd_brightness_grid_set(struct BrightnessGridCommand */*notnull*/ command,
BrightnessGrid */*notnull*/ grid);
/**
* Reads the origin field of the [BrightnessGridCommand].
*/
void sp_cmd_brightness_grid_set_origin(BrightnessGridCommand */*notnull*/ command,
void sp_cmd_brightness_grid_set_origin(struct BrightnessGridCommand */*notnull*/ command,
size_t origin_x,
size_t origin_y);
@ -1378,28 +1400,28 @@ void sp_cmd_brightness_grid_set_origin(BrightnessGridCommand */*notnull*/ comman
*
* returns: a new [CharGridCommand] instance.
*/
CharGridCommand */*notnull*/ sp_cmd_char_grid_clone(CharGridCommand */*notnull*/ command);
struct CharGridCommand */*notnull*/ sp_cmd_char_grid_clone(struct CharGridCommand */*notnull*/ command);
/**
* Deallocates a [BitmapCommand].
*/
void sp_cmd_char_grid_free(BitmapCommand */*notnull*/ command);
void sp_cmd_char_grid_free(struct BitmapCommand */*notnull*/ command);
/**
* Moves the provided [CharGrid] into a new [CharGridCommand],
* leaving other fields as their default values.
*/
CharGridCommand */*notnull*/ sp_cmd_char_grid_from_grid(CharGrid */*notnull*/ grid);
struct CharGridCommand */*notnull*/ sp_cmd_char_grid_from_grid(CharGrid */*notnull*/ grid);
/**
* Returns a pointer to the [CharGrid] contained in the [CharGridCommand].
*/
CharGrid *sp_cmd_char_grid_get(CharGridCommand */*notnull*/ command);
CharGrid *sp_cmd_char_grid_get(struct CharGridCommand */*notnull*/ command);
/**
* Reads the origin field of the [CharGridCommand].
*/
void sp_cmd_char_grid_get_origin(CharGridCommand */*notnull*/ command,
void sp_cmd_char_grid_get_origin(struct CharGridCommand */*notnull*/ command,
size_t */*notnull*/ origin_x,
size_t */*notnull*/ origin_y);
@ -1410,20 +1432,20 @@ void sp_cmd_char_grid_get_origin(CharGridCommand */*notnull*/ command,
*
* Returns: a new [CharGridCommand] instance.
*/
CharGridCommand */*notnull*/ sp_cmd_char_grid_new(CharGrid */*notnull*/ grid,
struct CharGridCommand */*notnull*/ sp_cmd_char_grid_new(CharGrid */*notnull*/ grid,
size_t origin_x,
size_t origin_y);
/**
* Moves the provided [CharGrid] to be contained in the [CharGridCommand].
*/
void sp_cmd_char_grid_set(CharGridCommand */*notnull*/ command,
void sp_cmd_char_grid_set(struct CharGridCommand */*notnull*/ command,
CharGrid */*notnull*/ grid);
/**
* Overwrites the origin field of the [CharGridCommand].
*/
void sp_cmd_char_grid_set_origin(CharGridCommand */*notnull*/ command,
void sp_cmd_char_grid_set_origin(struct CharGridCommand */*notnull*/ command,
size_t origin_x,
size_t origin_y);
@ -1432,12 +1454,12 @@ void sp_cmd_char_grid_set_origin(CharGridCommand */*notnull*/ command,
*
* Returns: NULL or a [Packet] containing the command.
*/
Packet *sp_cmd_char_grid_try_into_packet(CharGridCommand */*notnull*/ command);
struct Packet *sp_cmd_char_grid_try_into_packet(struct CharGridCommand */*notnull*/ command);
/**
* Deallocates a [ClearCommand].
*/
void sp_cmd_clear_free(ClearCommand */*notnull*/ command);
void sp_cmd_clear_free(struct ClearCommand */*notnull*/ command);
/**
* Set all pixels to the off state.
@ -1446,25 +1468,25 @@ void sp_cmd_clear_free(ClearCommand */*notnull*/ command);
*
* Returns: a new [ClearCommand] instance.
*/
ClearCommand */*notnull*/ sp_cmd_clear_new(void);
struct ClearCommand */*notnull*/ sp_cmd_clear_new(void);
/**
* Clones an [Cp437GridCommand] instance.
*
* returns: a new [Cp437GridCommand] instance.
*/
Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_clone(Cp437GridCommand */*notnull*/ command);
struct Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_clone(struct Cp437GridCommand */*notnull*/ command);
/**
* Deallocates a [Cp437GridCommand].
*/
void sp_cmd_cp437_grid_free(BitmapCommand */*notnull*/ command);
void sp_cmd_cp437_grid_free(struct BitmapCommand */*notnull*/ command);
/**
* Moves the provided [Cp437Grid] into a new [Cp437GridCommand],
* leaving other fields as their default values.
*/
Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_from_grid(Cp437Grid */*notnull*/ grid);
struct Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_from_grid(Cp437Grid */*notnull*/ grid);
/**
* Show text on the screen.
@ -1474,14 +1496,14 @@ Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_from_grid(Cp437Grid */*notnull*/
*
* [CP-437]: https://en.wikipedia.org/wiki/Code_page_437
*/
Cp437Grid *sp_cmd_cp437_grid_get(Cp437GridCommand */*notnull*/ command);
Cp437Grid *sp_cmd_cp437_grid_get(struct Cp437GridCommand */*notnull*/ command);
/**
* Gets the origin field of the [Cp437GridCommand].
*
* Rust equivalent: `cp437_command.origin`
*/
void sp_cmd_cp437_grid_get_origin(Cp437GridCommand */*notnull*/ command,
void sp_cmd_cp437_grid_get_origin(struct Cp437GridCommand */*notnull*/ command,
size_t */*notnull*/ origin_x,
size_t */*notnull*/ origin_y);
@ -1492,7 +1514,7 @@ void sp_cmd_cp437_grid_get_origin(Cp437GridCommand */*notnull*/ command,
*
* The origin is relative to the top-left of the display.
*/
Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_new(Cp437Grid */*notnull*/ grid,
struct Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_new(Cp437Grid */*notnull*/ grid,
size_t origin_x,
size_t origin_y);
@ -1501,7 +1523,7 @@ Cp437GridCommand */*notnull*/ sp_cmd_cp437_grid_new(Cp437Grid */*notnull*/ grid,
*
* This drops the previously contained [Cp437Grid].
*/
void sp_cmd_cp437_grid_set(Cp437GridCommand */*notnull*/ command,
void sp_cmd_cp437_grid_set(struct Cp437GridCommand */*notnull*/ command,
Cp437Grid */*notnull*/ grid);
/**
@ -1509,7 +1531,7 @@ void sp_cmd_cp437_grid_set(Cp437GridCommand */*notnull*/ command,
*
* Rust equivalent: `cp437_command.origin = Origin::new(origin_x, origin_y)`
*/
void sp_cmd_cp437_grid_set_origin(Cp437GridCommand */*notnull*/ command,
void sp_cmd_cp437_grid_set_origin(struct Cp437GridCommand */*notnull*/ command,
size_t origin_x,
size_t origin_y);
@ -1518,26 +1540,26 @@ void sp_cmd_cp437_grid_set_origin(Cp437GridCommand */*notnull*/ command,
*
* Returns: NULL or a [Packet] containing the command.
*/
Packet *sp_cmd_cp437_grid_try_into_packet(Cp437GridCommand */*notnull*/ command);
struct Packet *sp_cmd_cp437_grid_try_into_packet(struct Cp437GridCommand */*notnull*/ command);
/**
* Deallocates a [FadeOutCommand].
*/
void sp_cmd_fade_out_free(ClearCommand */*notnull*/ command);
void sp_cmd_fade_out_free(struct ClearCommand */*notnull*/ command);
/**
* A yet-to-be-tested command.
*
* Returns: a new [FadeOutCommand] instance.
*/
FadeOutCommand */*notnull*/ sp_cmd_fade_out_new(void);
struct FadeOutCommand */*notnull*/ sp_cmd_fade_out_new(void);
/**
* Clones an [SPCommand] instance.
*
* returns: a new [SPCommand] instance.
*/
Command sp_cmd_generic_clone(Command command);
struct Command sp_cmd_generic_clone(struct Command command);
/**
* Deallocates an [SPCommand].
@ -1549,7 +1571,7 @@ Command sp_cmd_generic_clone(Command command);
* sp_command_free(c);
* ```
*/
void sp_cmd_generic_free(Command command);
void sp_cmd_generic_free(struct Command command);
/**
* Tries to turn a [SPCommand] into a [Packet].
@ -1557,7 +1579,7 @@ void sp_cmd_generic_free(Command command);
*
* Returns tag [CommandTag::Invalid] in case of an error.
*/
Packet *sp_cmd_generic_into_packet(Command command);
struct Packet *sp_cmd_generic_into_packet(struct Command command);
/**
* Tries to turn a [Packet] into a [SPCommand].
@ -1566,12 +1588,12 @@ Packet *sp_cmd_generic_into_packet(Command command);
*
* Returns: pointer to new [SPCommand] instance or NULL if parsing failed.
*/
Command *sp_cmd_generic_try_from_packet(Packet */*notnull*/ packet);
struct Command *sp_cmd_generic_try_from_packet(struct Packet */*notnull*/ packet);
/**
* Deallocates a [HardResetCommand].
*/
void sp_cmd_hard_reset_free(ClearCommand */*notnull*/ command);
void sp_cmd_hard_reset_free(struct ClearCommand */*notnull*/ command);
/**
* Kills the udp daemon on the display, which usually results in a restart.
@ -1580,7 +1602,7 @@ void sp_cmd_hard_reset_free(ClearCommand */*notnull*/ command);
*
* Returns: a new [HardResetCommand] instance.
*/
HardResetCommand */*notnull*/ sp_cmd_hard_reset_new(void);
struct HardResetCommand */*notnull*/ sp_cmd_hard_reset_new(void);
/**
* Clones a [Cp437Grid].
@ -1634,14 +1656,16 @@ size_t sp_cp437_grid_height(Cp437Grid */*notnull*/ cp437_grid);
*
* Returns NULL in case of an error.
*/
Packet *sp_cp437_grid_into_packet(Cp437Grid */*notnull*/ grid,
struct Packet *sp_cp437_grid_into_packet(Cp437Grid */*notnull*/ grid,
size_t x,
size_t y);
/**
* Loads a [Cp437Grid] with the specified dimensions from the provided data.
*/
Cp437Grid *sp_cp437_grid_load(size_t width, size_t height, ByteSlice data);
Cp437Grid *sp_cp437_grid_load(size_t width,
size_t height,
struct ByteSlice data);
/**
* Creates a new [Cp437Grid] with the specified dimensions.
@ -1675,7 +1699,7 @@ void sp_cp437_grid_set(Cp437Grid */*notnull*/ cp437_grid,
*
* The returned memory is valid for the lifetime of the grid.
*/
ByteSlice sp_cp437_grid_unsafe_data_ref(Cp437Grid */*notnull*/ cp437_grid);
struct ByteSlice sp_cp437_grid_unsafe_data_ref(Cp437Grid */*notnull*/ cp437_grid);
/**
* Gets the width of the [Cp437Grid] instance.
@ -1691,34 +1715,36 @@ size_t sp_cp437_grid_width(Cp437Grid */*notnull*/ cp437_grid);
*
* returns: a new [Packet] instance.
*/
Packet */*notnull*/ sp_packet_clone(Packet */*notnull*/ packet);
struct Packet */*notnull*/ sp_packet_clone(struct Packet */*notnull*/ packet);
/**
* Deallocates a [Packet].
*/
void sp_packet_free(Packet */*notnull*/ packet);
void sp_packet_free(struct Packet */*notnull*/ packet);
/**
* Creates a raw [Packet] from parts.
*
* returns: new instance. Will never return null.
*/
Packet */*notnull*/ sp_packet_from_parts(Header header,
const ByteSlice *payload);
struct Packet */*notnull*/ sp_packet_from_parts(struct Header header,
struct ByteSlice payload);
/**
* Returns a pointer to the header field of the provided packet.
*
* The returned header can be changed and will be valid for the lifetime of the packet.
*/
Header */*notnull*/ sp_packet_get_header(Packet */*notnull*/ packet);
struct Header */*notnull*/ sp_packet_get_header(struct Packet */*notnull*/ packet);
/**
* Returns a pointer to the current payload of the provided packet.
*
* Returns an [ByteSlice::INVALID] instance in case the packet does not have any payload.
*
* The returned memory can be changed and will be valid until a new payload is set.
*/
ByteSlice sp_packet_get_payload(Packet */*notnull*/ packet);
struct ByteSlice sp_packet_get_payload(struct Packet */*notnull*/ packet);
/**
* Serialize the packet into the provided buffer.
@ -1727,21 +1753,23 @@ ByteSlice sp_packet_get_payload(Packet */*notnull*/ packet);
*
* - if the buffer is not big enough to hold header+payload.
*/
void sp_packet_serialize_to(Packet */*notnull*/ packet, ByteSlice buffer);
void sp_packet_serialize_to(struct Packet */*notnull*/ packet,
struct ByteSlice buffer);
/**
* Sets the payload of the provided packet to the provided data.
*
* This makes previous payload pointers invalid.
*/
void sp_packet_set_payload(Packet */*notnull*/ packet, ByteSlice data);
void sp_packet_set_payload(struct Packet */*notnull*/ packet,
struct ByteSlice data);
/**
* Tries to load a [Packet] from the passed array with the specified length.
*
* returns: NULL in case of an error, pointer to the allocated packet otherwise
*/
Packet *sp_packet_try_load(ByteSlice data);
struct Packet *sp_packet_try_load(struct ByteSlice data);
/**
* Converts u16 into [CommandCode].
@ -1754,7 +1782,7 @@ bool sp_u16_to_command_code(uint16_t code,
/**
* Closes and deallocates a [UdpSocket].
*/
void sp_udp_free(UdpSocket */*notnull*/ connection);
void sp_udp_free(struct UdpSocket */*notnull*/ connection);
/**
* Creates a new instance of [UdpSocket].
@ -1769,7 +1797,7 @@ void sp_udp_free(UdpSocket */*notnull*/ connection);
* sp_udp_send_command(connection, sp_command_clear());
* ```
*/
UdpSocket *sp_udp_open(char */*notnull*/ host);
struct UdpSocket *sp_udp_open(char */*notnull*/ host);
/**
* Creates a new instance of [UdpSocket].
@ -1784,7 +1812,7 @@ UdpSocket *sp_udp_open(char */*notnull*/ host);
* sp_udp_send_command(connection, sp_command_clear());
* ```
*/
UdpSocket *sp_udp_open_ipv4(uint8_t ip1,
struct UdpSocket *sp_udp_open_ipv4(uint8_t ip1,
uint8_t ip2,
uint8_t ip3,
uint8_t ip4,
@ -1803,7 +1831,8 @@ UdpSocket *sp_udp_open_ipv4(uint8_t ip1,
* sp_udp_send_command(connection, sp_command_brightness(5));
* ```
*/
bool sp_udp_send_command(UdpSocket */*notnull*/ connection, Command command);
bool sp_udp_send_command(struct UdpSocket */*notnull*/ connection,
struct Command command);
/**
* Sends a [Header] to the display using the [UdpSocket].
@ -1816,7 +1845,8 @@ bool sp_udp_send_command(UdpSocket */*notnull*/ connection, Command command);
* sp_udp_send_header(connection, sp_command_brightness(5));
* ```
*/
bool sp_udp_send_header(UdpSocket */*notnull*/ udp_connection, Header header);
bool sp_udp_send_header(struct UdpSocket */*notnull*/ udp_connection,
struct Header header);
/**
* Sends a [Packet] to the display using the [UdpSocket].
@ -1825,9 +1855,11 @@ bool sp_udp_send_header(UdpSocket */*notnull*/ udp_connection, Header header);
*
* returns: true in case of success
*/
bool sp_udp_send_packet(UdpSocket */*notnull*/ connection,
Packet */*notnull*/ packet);
bool sp_udp_send_packet(struct UdpSocket */*notnull*/ connection,
struct Packet */*notnull*/ packet);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif /* SERVICEPOINT_BINDINGS_C */

View file

@ -65,7 +65,7 @@ pub unsafe extern "C" fn sp_cmd_bitvec_free(command: NonNull<BitVecCommand>) {
pub unsafe extern "C" fn sp_cmd_bitvec_get(
mut command: NonNull<BitVecCommand>,
) -> *mut DisplayBitVec {
&mut unsafe { command.as_mut() }.bitvec
unsafe { &mut command.as_mut().bitvec }
}
/// Moves the provided [BitVec] to be contained in the [BitVecCommand].
@ -103,7 +103,7 @@ pub unsafe extern "C" fn sp_cmd_bitvec_set_offset(
pub unsafe extern "C" fn sp_cmd_bitvec_get_operation(
command: NonNull<BitVecCommand>,
) -> BinaryOperation {
unsafe { command.as_ref().operation.clone() } // TODO remove clone
unsafe { command.as_ref().operation }
}
/// Overwrites the [BinaryOperation] of the command.

View file

@ -76,7 +76,7 @@ pub unsafe extern "C" fn sp_cmd_brightness_grid_set(
pub unsafe extern "C" fn sp_cmd_brightness_grid_get(
mut command: NonNull<BrightnessGridCommand>,
) -> *mut BrightnessGrid {
&mut unsafe { command.as_mut() }.grid
unsafe { &mut command.as_mut().grid }
}
/// Overwrites the origin field of the [BrightnessGridCommand].

View file

@ -74,7 +74,7 @@ pub unsafe extern "C" fn sp_cmd_char_grid_set(
pub unsafe extern "C" fn sp_cmd_char_grid_get(
mut command: NonNull<CharGridCommand>,
) -> *mut CharGrid {
&mut unsafe { command.as_mut() }.grid
unsafe { &mut command.as_mut().grid }
}
/// Reads the origin field of the [CharGridCommand].

View file

@ -83,7 +83,7 @@ pub unsafe extern "C" fn sp_cmd_cp437_grid_set(
pub unsafe extern "C" fn sp_cmd_cp437_grid_get(
mut command: NonNull<Cp437GridCommand>,
) -> *mut Cp437Grid {
&mut unsafe { command.as_mut() }.grid
unsafe { &mut command.as_mut().grid }
}
/// Gets the origin field of the [Cp437GridCommand].

View file

@ -53,5 +53,5 @@ pub unsafe extern "C" fn sp_cmd_brightness_global_set(
pub unsafe extern "C" fn sp_cmd_brightness_global_get(
mut command: NonNull<GlobalBrightnessCommand>,
) -> *mut Brightness {
&mut unsafe { command.as_mut() }.brightness
unsafe { &mut command.as_mut().brightness }
}

View file

@ -1,7 +1,5 @@
//! FFI slice helper
use std::ptr::NonNull;
/// Represents a span of memory (`&mut [u8]` ) as a struct.
///
/// # Safety
@ -11,28 +9,39 @@ use std::ptr::NonNull;
/// - accesses to the memory pointed to with `start` is never accessed outside `length`
/// - the lifetime of the `CByteSlice` does not outlive the memory it points to, as described in
/// the function returning this type.
/// - if `start` is NULL or `length` is 0, do not dereference `start`.
///
/// # Examples
///
/// ```c
/// ByteSlice empty = {.start: NULL, .length = 0};
/// ```
#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct ByteSlice {
/// The start address of the memory.
pub start: NonNull<u8>,
pub start: *mut u8,
/// The amount of memory in bytes.
pub length: usize,
}
impl ByteSlice {
pub(crate) const INVALID: ByteSlice = ByteSlice {
start: std::ptr::null_mut(),
length: 0,
};
pub(crate) unsafe fn as_slice(&self) -> &[u8] {
unsafe { std::slice::from_raw_parts(self.start.as_ptr(), self.length) }
unsafe { std::slice::from_raw_parts(self.start, self.length) }
}
pub(crate) unsafe fn as_slice_mut(&mut self) -> &mut [u8] {
unsafe {
std::slice::from_raw_parts_mut(self.start.as_ptr(), self.length)
}
unsafe { std::slice::from_raw_parts_mut(self.start, self.length) }
}
pub(crate) unsafe fn from_slice(slice: &mut [u8]) -> Self {
Self {
start: NonNull::new(slice.as_mut_ptr()).unwrap(),
start: slice.as_mut_ptr(),
length: slice.len(),
}
}

View file

@ -35,13 +35,19 @@ pub mod packet;
/// Functions related to [UdpSocket].
pub mod udp;
use std::time::Duration;
/// Actual hardware limit is around 28-29ms/frame. Rounded up for less dropped packets.
pub const SP_FRAME_PACING_MS: u128 = Duration::from_millis(30).as_millis();
pub const SP_FRAME_PACING_MS: u128 = 30;
/// This is a type only used by cbindgen to have a type for pointers.
pub struct UdpSocket;
/// This is a type only used by cbindgen to have a type for pointers.
pub struct DisplayBitVec;
#[cfg(feature = "env_logger")]
pub mod feature_env_logger {
#[no_mangle]
pub unsafe extern "C" fn init_env_logger() {
env_logger::init();
}
}

View file

@ -20,13 +20,12 @@ pub unsafe extern "C" fn sp_packet_try_load(data: ByteSlice) -> *mut Packet {
#[no_mangle]
pub unsafe extern "C" fn sp_packet_from_parts(
header: Header,
payload: *const ByteSlice,
payload: ByteSlice,
) -> NonNull<Packet> {
let payload = if payload.is_null() {
vec![]
let payload = if payload == ByteSlice::INVALID {
None
} else {
let payload = unsafe { (*payload).as_slice() };
Vec::from(payload)
Some(Vec::from(unsafe { payload.as_slice() }))
};
heap_move_nonnull(Packet { header, payload })
@ -39,17 +38,24 @@ pub unsafe extern "C" fn sp_packet_from_parts(
pub unsafe extern "C" fn sp_packet_get_header(
packet: NonNull<Packet>,
) -> NonNull<Header> {
NonNull::from(&mut unsafe { (*packet.as_ptr()).header })
NonNull::from(unsafe { &mut (*packet.as_ptr()).header })
}
/// Returns a pointer to the current payload of the provided packet.
///
/// Returns an [ByteSlice::INVALID] instance in case the packet does not have any payload.
///
/// The returned memory can be changed and will be valid until a new payload is set.
#[no_mangle]
pub unsafe extern "C" fn sp_packet_get_payload(
packet: NonNull<Packet>,
) -> ByteSlice {
unsafe { ByteSlice::from_slice(&mut (*packet.as_ptr()).payload) }
unsafe {
match &mut (*packet.as_ptr()).payload {
None => ByteSlice::INVALID,
Some(payload) => ByteSlice::from_slice(payload),
}
}
}
/// Sets the payload of the provided packet to the provided data.
@ -60,7 +66,13 @@ pub unsafe extern "C" fn sp_packet_set_payload(
packet: NonNull<Packet>,
data: ByteSlice,
) {
unsafe { (*packet.as_ptr()).payload = data.as_slice().to_vec() }
unsafe {
(*packet.as_ptr()).payload = if data == ByteSlice::INVALID {
None
} else {
Some(data.as_slice().to_vec())
}
}
}
/// Serialize the packet into the provided buffer.

View file

@ -136,7 +136,7 @@ pub unsafe extern "C" fn sp_udp_send_header(
) -> bool {
let packet = Packet {
header,
payload: vec![],
payload: None,
};
unsafe { udp_connection.as_ref() }
.send(&Vec::from(packet))