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feat: 添加linux 平台支持 添加cmake构建工具支持 #10

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8605f2e
1. 添加linux平台支持 2. 添加cmake支持
Nov 28, 2025
3ebbe83
修改example_user.c 名为example_user_linux.c
Jan 20, 2026
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26 changes: 26 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
cmake_minimum_required(VERSION 3.5)

project(EzBtn LANGUAGES C)
add_subdirectory(libscl)
add_executable(EzBtn main.c
ebtn/bit_array.h
ebtn/ebtn.c
ebtn/ebtn.h
example_user.c
)

include_directories(EzBtn PUBLIC
ebtn
)

target_link_libraries(EzBtn LINK_PRIVATE scl pthread)

target_include_directories(EzBtn PRIVATE
$<TARGET_PROPERTY:scl,INTERFACE_INCLUDE_DIRECTORIES>
)

include(GNUInstallDirs)
install(TARGETS EzBtn
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
200 changes: 138 additions & 62 deletions example_user.c → example_user_linux.c
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Original file line number Diff line number Diff line change
@@ -1,12 +1,21 @@
#include "windows.h"
#include <stdio.h>
#include <stdlib.h>

#include <time.h>
#include <sys/time.h>
#include <termios.h>
#include "ebtn.h"

static LARGE_INTEGER freq, sys_start_time;
#include <unistd.h>
#include <fcntl.h>
#include <linux/input.h>
#include <pthread.h>
#include <stdatomic.h>
#include <errno.h> // 新增：用于错误处理
#include <string.h> // 新增：用于字符串操作
#include <sys/types.h> // 新增：系统类型定义
#include "libscl/SCL_map.h"
SCL_map_t btn_info_map;
#define KEY_DEVICE "/dev/input/event1" // 按键设备节点
static uint32_t get_tick(void);

typedef enum
{
USER_BUTTON_0 = 0,
Expand All @@ -28,6 +37,103 @@ typedef enum
USER_BUTTON_COMBO_3,
USER_BUTTON_COMBO_MAX,
} user_button_t;
static struct termios old_termios;
typedef struct key_btn_info_t
{
int key_value;
char key_status;
}key_btn_info_t;
user_button_t get_key_input(void) {
static int fd = -1;
struct input_event ev;
ssize_t n;

// 首次调用时打开设备
if (fd < 0) {
printf("Trying to open input device %s\n", KEY_DEVICE);
fd = open(KEY_DEVICE, O_RDONLY);
if (fd < 0) {
perror("Failed to open input device");
return USER_BUTTON_INVALID;
}
printf("Successfully opened input device %s\n", KEY_DEVICE);
}

// 读取输入事件
n = read(fd, &ev, sizeof(ev));
if (n == -1) {
if (errno != EAGAIN) {
perror("Error reading input device");
close(fd);
fd = -1;
}
return USER_BUTTON_INVALID;
}
else if (n != sizeof(ev)) {
fprintf(stderr, "Read incomplete input event (%zd bytes)\n", n);
return USER_BUTTON_INVALID;
}

// printf("Input event: type=%d code=%d value=%d\n", ev.type, ev.code, ev.value);
int key_value = USER_BUTTON_INVALID;
int key_status = 0;
if (ev.type == EV_KEY) {
key_status = ev.value;
switch (ev.code) {
case KEY_0:
key_value = USER_BUTTON_0;
break;
case KEY_1:
key_value = USER_BUTTON_1;
break;
case KEY_2:
key_value = USER_BUTTON_2;
break;
case KEY_3:
key_value = USER_BUTTON_3;
break;
case KEY_4:
key_value = USER_BUTTON_4;
break;
case KEY_5:
key_value = USER_BUTTON_5;
break;
case KEY_6:
key_value = USER_BUTTON_6;
break;
case KEY_7:
key_value = USER_BUTTON_7;
break;
case KEY_8:
key_value = USER_BUTTON_8;
break;
case KEY_9:
key_value = USER_BUTTON_9;
break;
default:
printf("Unmapped key code: %d\n", ev.code);
break;
}
if (key_value != USER_BUTTON_INVALID){
key_btn_info_t *key_btn_info = NULL;
key_btn_info = scl_map_access(btn_info_map, key_value);
if (key_btn_info == NULL){
key_btn_info = malloc(sizeof(key_btn_info_t));
memset(key_btn_info, 0, sizeof(key_btn_info_t));
key_btn_info->key_value = key_value;
key_btn_info->key_status = key_status;
scl_map_insert(btn_info_map, key_value, key_btn_info);
}
key_btn_info->key_value = key_value;
key_btn_info->key_status = key_status;
return key_value;
}
}
return USER_BUTTON_INVALID;
}




/* User defined settings */
static const ebtn_btn_param_t defaul_ebtn_param = EBTN_PARAMS_INIT(20, 0, 20, 300, 200, 500, 10);
Expand Down Expand Up @@ -109,45 +215,7 @@ static ebtn_btn_combo_dyn_t btns_combo_dyn[] = {

uint32_t last_time_keys_combo[USER_BUTTON_COMBO_MAX - USER_BUTTON_COMBO_0] = {0};

static int windows_get_match_key(uint16_t key_id)
{
int key = 0;
switch (key_id)
{
case USER_BUTTON_0:
key = '0';
break;
case USER_BUTTON_1:
key = '1';
break;
case USER_BUTTON_2:
key = '2';
break;
case USER_BUTTON_3:
key = '3';
break;
case USER_BUTTON_4:
key = '4';
break;
case USER_BUTTON_5:
key = '5';
break;
case USER_BUTTON_6:
key = '6';
break;
case USER_BUTTON_7:
key = '7';
break;
case USER_BUTTON_8:
key = '8';
break;
case USER_BUTTON_9:
key = '9';
break;
}

return key;
}

/**
* \brief Get input state callback
Expand All @@ -160,7 +228,11 @@ uint8_t prv_btn_get_state(struct ebtn_btn *btn)
* Function will return negative number if button is pressed,
* or zero if button is releases
*/
return GetAsyncKeyState(windows_get_match_key(btn->key_id)) < 0;
key_btn_info_t *key_btn_info = scl_map_access(btn_info_map, btn->key_id);
if (key_btn_info){
return key_btn_info->key_status;
}
return 0;
}

/**
Expand All @@ -173,7 +245,6 @@ void prv_btn_event(struct ebtn_btn *btn, ebtn_evt_t evt)
{
const char *s;
uint32_t color, keepalive_cnt = 0;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
uint32_t diff_time = 0;
uint32_t *diff_time_ptr = NULL;
if (btn->key_id < USER_BUTTON_MAX)
Expand All @@ -198,44 +269,53 @@ void prv_btn_event(struct ebtn_btn *btn, ebtn_evt_t evt)
if (evt == EBTN_EVT_KEEPALIVE)
{
s = "KEEPALIVE";
color = FOREGROUND_RED | FOREGROUND_BLUE;
}
else if (evt == EBTN_EVT_ONPRESS)
{
s = "ONPRESS";
color = FOREGROUND_GREEN;
}
else if (evt == EBTN_EVT_ONRELEASE)
{
s = "ONRELEASE";
color = FOREGROUND_BLUE;
}
else if (evt == EBTN_EVT_ONCLICK)
{
s = "ONCLICK";
color = FOREGROUND_RED | FOREGROUND_GREEN;
}
else
{
s = "UNKNOWN";
color = FOREGROUND_RED;
}

SetConsoleTextAttribute(hConsole, color);
printf("[%7u][%6u] ID(hex):%4x, evt: %10s, keep-alive cnt: %3u, click cnt: %3u\r\n", (unsigned)get_tick(), (unsigned)diff_time, btn->key_id, s,
(unsigned)ebtn_keepalive_get_count(btn), (unsigned)ebtn_click_get_count(btn));
SetConsoleTextAttribute(hConsole, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
}

void* key_listener_thread(void* arg) {
(void)arg;

while (1) {
int key = get_key_input(); // 使用上述任一方法
if (key != USER_BUTTON_INVALID) {
// atomic_store(&key_pressed, key);
}
usleep(10000); // 10ms间隔
}

return NULL;
}
static pthread_t key_thread;

/**
* \brief Example function
*/
int example_user(void)
{
uint32_t time_last;
printf("Application running\r\n");
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&sys_start_time);
btn_info_map = scl_map_new();
pthread_create(&key_thread, NULL, key_listener_thread, NULL);
pthread_detach(key_thread);

/* Define buttons */
ebtn_init(btns, EBTN_ARRAY_SIZE(btns), btns_combo, EBTN_ARRAY_SIZE(btns_combo), prv_btn_get_state, prv_btn_event);
Expand Down Expand Up @@ -269,7 +349,7 @@ int example_user(void)
ebtn_process(get_tick());

/* Artificial sleep to offload win process */
Sleep(5);
usleep(5000);
}
return 0;
}
Expand All @@ -280,11 +360,7 @@ int example_user(void)
*/
static uint32_t get_tick(void)
{
LONGLONG ret;
LARGE_INTEGER now;

QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&now);
ret = now.QuadPart - sys_start_time.QuadPart;
return (uint32_t)((ret * 1000) / freq.QuadPart);
struct timespec ts;
clock_gettime (CLOCK_MONOTONIC_RAW, &ts);
return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
}
27 changes: 27 additions & 0 deletions libscl/.gitignore
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@@ -0,0 +1,27 @@
#ignore .metadata
.metadata
#ignore obj and lib file
*.[oa]

#ignore temp files
*.swp
*.temp
*.tmp

#python
*.pyc


#ignore android project files
*.properties
build.xml
proguard-project.txt

#ignore android building directory
/obj/
/gen/
/bin/
/build*/
*/build/
/install/

31 changes: 31 additions & 0 deletions libscl/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12)

project(libscl C)

#include(CMakeCStdOpt)

set(HEADERS
include/libscl/SCL.h
include/libscl/SCL_map.h
)

set(SOURCES
src/map.c
)

add_library(scl ${SOURCES} ${HEADERS})

if (NOT WINDOWS)
target_compile_definitions(scl PUBLIC C99 _unix)
target_compile_options(scl PRIVATE -Wl,-no-undefined)
else()
target_compile_definitions(scl PUBLIC C99)
endif()

target_include_directories(scl
PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include/libscl
)

install(TARGETS scl DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)
install(DIRECTORY include/libscl DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
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