From 6a1e6a7d6b6a3d987f2fccb3c06f4f5da071f504 Mon Sep 17 00:00:00 2001 From: Nicholas Tay Date: Tue, 10 May 2022 00:40:10 +1000 Subject: Dynamic load boards as DLL (windows only for now) The .h files are pretty weird, should look at other C projects to see how they load plugins. This function pointer business with typedefs is kinda weird, not sure where they should live. --- platform/win32.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'platform/win32.c') diff --git a/platform/win32.c b/platform/win32.c index 90cd37c..cf22718 100644 --- a/platform/win32.c +++ b/platform/win32.c @@ -2,6 +2,9 @@ #include #include +#include "platform.h" +#include "../board/board.h" + /* Required callbacks */ extern void keyboard_on_down(void); extern void keyboard_on_up(void); @@ -77,4 +80,39 @@ void enter_idle(void) exit(1); } } +} + +bool load_board(char *board_name, fn_board_on_down *on_down, fn_board_on_down *on_up) +{ + char dll_name[100]; + int r = snprintf(dll_name, 100, "./board/%s.dll", board_name); + if (r < 0 || r >= 100) { + printf("ERROR: Invalid board name.\n"); + return false; + } + + HMODULE board_module = LoadLibrary(dll_name); + if (board_module == NULL) { + printf("ERROR: Could not load board module.\n"); + return false; + } + fn_board_init board_init = (fn_board_init) (void (*)(void)) GetProcAddress(board_module, "board_init"); + if (board_init == NULL) { + printf("ERROR: No board down function could be loaded.\n"); + return false; + } + board_init(&sound_play); + + *on_down = (fn_board_on_down) GetProcAddress(board_module, "board_on_down"); + if (on_down == NULL) { + printf("ERROR: No board down function could be loaded.\n"); + return false; + } + *on_up = (fn_board_on_up) GetProcAddress(board_module, "board_on_up"); + if (on_up == NULL) { + printf("ERROR: No board up function could be loaded.\n"); + return false; + } + + return true; } \ No newline at end of file -- cgit