LayerOne
test
Dependencies: SDFileSystem mbed-dev
Fork of
Nucleo_Ex06_EMU
by 
woodstock .
Diff: pNesX_Filer.cpp
- Revision:
- 4:53ef91c87d74
diff -r 8d6e6aec9b01 -r 53ef91c87d74 pNesX_Filer.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/pNesX_Filer.cpp Sat May 27 02:17:37 2017 +0000
@@ -0,0 +1,377 @@
+/*===================================================================*/
+/* */
+/* pNesX_Filer.cpp : ROM selection screen */
+/* */
+/* 2016/1/20 Racoon */
+/* */
+/*===================================================================*/
+
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "tft.h"
+
+#include "pNesX_Types.h"
+
+extern void pNesX_PadState( DWORD *pdwPad1, DWORD *pdwPad2, DWORD *pdwSystem );
+extern const unsigned char pNesX_logo[];
+extern const unsigned char Racoon_logo[];
+
+#define LOGO_BACKCOLOR 0x86fd
+
+#define FOLDER_FILE_MAX 100
+#define LIST_ROWS 20
+#define LIST_TOP 40
+#define LIST_LEFT 4
+
+static int DispTop; // Top of the list
+static int SelIdx; // Cursor index
+static int FileCount; // Number of files in the folder
+
+// file information
+typedef struct tagLISTITEM{
+ char filename[33];
+ bool isDir;
+ long size;
+} LISTITEM;
+
+// folder file list
+LISTITEM *flist;
+
+char szRomFolder[32];
+char szPrevFolder[32];
+char szRomFilename[33];
+char szRomPath[256];
+
+/*-------------------------------------------------------------------*/
+/* Get file extension */
+/*-------------------------------------------------------------------*/
+char *get_ext(char *filename)
+{
+ int i;
+ for (i = strlen(filename) - 1; i >= 0; --i) {
+ if (filename[i] == '.') {
+ return &filename[i + 1];
+ }
+ }
+ return NULL;
+}
+
+/*-------------------------------------------------------------------*/
+/* Get file path */
+/*-------------------------------------------------------------------*/
+char *get_filepath(char *path, char *filename)
+{
+ static char filepath[256];
+
+ if (strncmp(path, "/sd", 3) != 0)
+ {
+ filepath[0] = 0;
+ return filepath;
+ }
+
+ int len = strlen(path);
+ if (len < 4) {
+ strcpy(filepath, filename);
+ } else {
+ sprintf(filepath, "%s/%s", &path[4], filename);
+ }
+
+ return filepath;
+}
+
+/*-------------------------------------------------------------------*/
+/* Get file list in the folder */
+/*-------------------------------------------------------------------*/
+int get_filelist(char *path)
+{
+ DIR *dir = opendir(path);
+ if ( dir == NULL ) {
+ return 0;
+ }
+
+ dirent *entry;
+ FILINFO fi;
+ fi.lfname = NULL;
+ fi.lfsize = 0;
+ int i = 0;
+
+ // not root
+ if (strcmp(path, "/sd") != 0) {
+ strcpy(flist[i].filename, "..");
+ flist[i].isDir = true;
+ i++;
+ }
+
+ // folder
+ while ((entry = readdir(dir)) != NULL && i < FOLDER_FILE_MAX) {
+ if (f_stat(get_filepath(path, entry->d_name), &fi) == FR_OK) {
+ int len = strlen(entry->d_name);
+ len = len > 32 ? 32 : len;
+ if (entry->d_name[0] == '.') continue;
+
+ memcpy(flist[i].filename, entry->d_name, len);
+ flist[i].filename[len] = 0;
+ flist[i].isDir = fi.fattrib & AM_DIR;
+ flist[i].size = fi.fsize;
+ ++i;
+ }
+ }
+
+ closedir(dir);
+
+ return i;
+}
+
+
+/*-------------------------------------------------------------------*/
+/* Get file information string */
+/*-------------------------------------------------------------------*/
+char* filedata(int idx)
+{
+ static char disptext[41];
+
+ if (flist[idx].isDir) {
+ sprintf(disptext, "%-32s <DIR>", flist[idx].filename);
+ } else {
+ sprintf(disptext, "%-32s %6d", flist[idx].filename, flist[idx].size);
+ }
+
+ return disptext;
+}
+
+/*-------------------------------------------------------------------*/
+/* Draw file list */
+/*-------------------------------------------------------------------*/
+void draw_list()
+{
+ int i,y;
+
+ for (y = 0, i = DispTop; y < LIST_ROWS && i < FileCount; ++y, ++i) {
+ tft_text( LIST_LEFT, LIST_TOP + y * 8, filedata(i), TFT_WHITE, TFT_BLACK );
+ }
+
+ if (y < LIST_ROWS) {
+ tft_boxfill( 0, LIST_TOP + y * 8, 319, LIST_TOP + LIST_ROWS * 8 - 1, TFT_BLACK);
+ }
+}
+
+/*-------------------------------------------------------------------*/
+/* Draw cursor */
+/*-------------------------------------------------------------------*/
+void draw_cursor(bool clear = false)
+{
+ int y = SelIdx - DispTop;
+ if (clear) {
+ tft_box( LIST_LEFT - 1, LIST_TOP + y * 8 - 1, LIST_LEFT + 39 * 8, LIST_TOP + y * 8 + 7, TFT_BLACK);
+ tft_text( LIST_LEFT, LIST_TOP + y * 8, filedata(SelIdx), TFT_WHITE, TFT_BLACK );
+ } else {
+ tft_box( LIST_LEFT - 1, LIST_TOP + y * 8 - 1, LIST_LEFT + 39 * 8, LIST_TOP + y * 8 + 7, TFT_YELLOW);
+ tft_text( LIST_LEFT, LIST_TOP + y * 8, filedata(SelIdx), TFT_BLACK, TFT_YELLOW );
+ }
+}
+
+/*-------------------------------------------------------------------*/
+/* Draw back ground */
+/*-------------------------------------------------------------------*/
+void draw_frame()
+{
+ tft_boxfill( 0, 0, 319, 31, LOGO_BACKCOLOR);
+ tft_boxfill(0, 32, 319, 223, TFT_BLACK);
+ tft_boxfill( 0, 224, 319, 239, LOGO_BACKCOLOR);
+
+ draw_bmp_4bpp(pNesX_logo, 8, 6);
+ tft_text( 100, 225, "layerOne 2017", TFT_BLACK, LOGO_BACKCOLOR );
+ //tft_text( 200, 233, "R1+R2:Reset", TFT_BLACK, LOGO_BACKCOLOR );
+ // draw_bmp_4bpp(Racoon_logo, 0, 224);
+}
+
+/*-------------------------------------------------------------------*/
+/* Dialog window */
+/*-------------------------------------------------------------------*/
+void dialog(char *msg)
+{
+ if (msg)
+ {
+ tft_boxfill(0, 100, 319, 139, TFT_NAVY);
+ int len = strlen(msg);
+ len = len > 38 ? 38 : len;
+ msg[len] = 0;
+ int x = (40 - len) * 4;
+ tft_text(x, 116, msg, TFT_WHITE, TFT_NAVY);
+ }
+ else
+ {
+ tft_boxfill(0, 100, 319, 139, TFT_BLACK);
+ }
+}
+
+
+/*-------------------------------------------------------------------*/
+/* Rom selection */
+/*-------------------------------------------------------------------*/
+// return code:
+// 0 : File selected
+// 1 : Return to Emu
+// 2 : Reset
+// -1: Error
+int pNesX_Filer()
+{
+ DWORD dwPad1=0, dwPad2=0, dwSystem=0;
+ DWORD prev_dwPad1 = 0;
+
+ bool loadFolder;
+ int keyrepeat = 1;
+
+ // Draw back ground
+ draw_frame();
+
+ // init
+ flist = (LISTITEM *)malloc(sizeof(LISTITEM) * FOLDER_FILE_MAX);
+ if (flist == NULL) {
+ return -1;
+ }
+
+ loadFolder = true;
+ int ret;
+
+ while(1) {
+ if (loadFolder) {
+ // Drawing of the files in the folder
+ FileCount = get_filelist(szRomFolder);
+
+ if (FileCount > 0) {
+ if (strcmp(szRomFolder, szPrevFolder) != 0)
+ {
+ DispTop = 0;
+ SelIdx = 0;
+ strcpy( szPrevFolder, szRomFolder);
+ }
+ draw_list();
+ draw_cursor();
+ }
+ loadFolder = false;
+ }
+
+ pNesX_PadState( &dwPad1, &dwPad2, &dwSystem );
+
+ if (dwPad1 != prev_dwPad1) {
+ keyrepeat = 0;
+ }
+
+ if (keyrepeat == 0 || keyrepeat >= 10) {
+ // Down
+ if (dwPad1 & KEYPAD_DOWN) {
+ if (SelIdx < FileCount - 1) {
+ // clear cursor
+ draw_cursor(true);
+
+ if (SelIdx - DispTop == LIST_ROWS - 1) {
+ DispTop++;
+ draw_list();
+ }
+
+ // draw new cursor
+ SelIdx++;
+ draw_cursor();
+ }
+ }
+
+ // Up
+ if (dwPad1 & KEYPAD_UP) {
+ if (SelIdx > 0) {
+ // clear cursor
+ draw_cursor(true);
+
+ if (SelIdx - DispTop == 0) {
+ DispTop--;
+ draw_list();
+ }
+
+ // draw new cursor
+ SelIdx--;
+ draw_cursor();
+ }
+ }
+
+ // Select
+ if (dwPad1 == KEYPAD_SELECT) {
+ // clear cursor
+ draw_cursor(true);
+
+ if (flist[SelIdx].isDir) {
+ // folder
+ if (strcmp(flist[SelIdx].filename, "..") != 0) {
+ sprintf(szRomFolder, "%s/%s", szRomFolder, flist[SelIdx].filename);
+ } else {
+ // upper folder
+ char *upper = strrchr(szRomFolder, '/');
+ if (upper) {
+ *upper = 0;
+ }
+ }
+
+ loadFolder = true;
+ } else {
+ char *ext = get_ext(flist[SelIdx].filename);
+ if (ext != NULL && strcasecmp(ext, "nes") == 0)
+ {
+ strcpy(szRomFilename, flist[SelIdx].filename);
+
+
+ strcpy(szRomPath, get_filepath(szRomFolder, szRomFilename));
+
+ ret = 0;
+ break;
+ }
+ else
+ {
+ dialog("not a rom file!!");
+ wait(1);
+ dialog(NULL);
+ draw_list();
+ draw_cursor();
+ }
+ }
+ }
+
+ // Return to Emu
+ if (dwSystem & 0x01) {
+ if ( szRomFilename[0] != 0 ) {
+ do {
+ wait(0.08);
+ pNesX_PadState( &dwPad1, &dwPad2, &dwSystem );
+
+ } while (dwSystem & 0x01);
+
+ ret = 1;
+ break;
+ }
+ }
+
+ // Reset
+ if (dwSystem & 0x02) {
+ if ( szRomFilename[0] != 0 ) {
+ do {
+ wait(0.08);
+ pNesX_PadState( &dwPad1, &dwPad2, &dwSystem );
+ } while (dwSystem & 0x02);
+
+ ret = 2;
+ break;
+ }
+ }
+ }
+
+ keyrepeat++;
+
+ prev_dwPad1 = dwPad1;
+
+ wait(0.08);
+ }
+
+ // release memory
+ free(flist);
+
+ return ret;
+}
+