Index: apps/plugins/mem_mon.c =================================================================== --- apps/plugins/mem_mon.c (revision 0) +++ apps/plugins/mem_mon.c (revision 0) @@ -0,0 +1,362 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: helloworld.c 8349 2006-01-15 18:20:18Z amiconn $ + * + * Copyright (C) 2007 Matthias Wientapper + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +/* + * This is a simple memory monitor/editor application. + * + * TODO: + * * Use lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); + * for inverse printing selected characters + * + * * Do something about using proportional fonts + * + * * Make this work for other models + * + */ + +#include "plugin.h" + +PLUGIN_HEADER +/* variable button definitions */ +/* not completed yet for all models */ +#if CONFIG_KEYPAD == RECORDER_PAD +#define MEM_MON_UP BUTTON_UP +#define MEM_MON_UP_REP (BUTTON_UP | BUTTON_REPEAT) +#define MEM_MON_DOWN BUTTON_DOWN +#define MEM_MON_DOWN_REP (BUTTON_DOWN | BUTTON_REPEAT) +#define MEM_MON_RIGHT BUTTON_RIGHT +#define MEM_MON_RIGHT_REP (BUTTON_RIGHT | BUTTON_REPEAT) +#define MEM_MON_LEFT BUTTON_LEFT +#define MEM_MON_LEFT_REP (BUTTON_LEFT | BUTTON_REPEAT) +#define MEM_MON_QUIT BUTTON_OFF +#define MEM_MON_UPDATE BUTTON_PLAY +#define MEM_MON_MODE (BUTTON_PLAY | BUTTON_REPEAT) +#define MEM_MON_FR (BUTTON_RIGHT | BUTTON_ON) +#define MEM_MON_FR_REP (BUTTON_RIGHT | BUTTON_ON | BUTTON_REPEAT) +#define MEM_MON_FL (BUTTON_LEFT | BUTTON_ON) +#define MEM_MON_FL_REP (BUTTON_LEFT | BUTTON_ON | BUTTON_REPEAT) +#define MEM_MON_FU (BUTTON_UP | BUTTON_ON) +#define MEM_MON_FU_REP (BUTTON_UP | BUTTON_ON | BUTTON_REPEAT) +#define MEM_MON_FD (BUTTON_DOWN | BUTTON_ON) +#define MEM_MON_FD_REP (BUTTON_DOWN | BUTTON_ON | BUTTON_REPEAT) + +#elif CONFIG_KEYPAD == SANSA_E200_PAD +#define MEM_MON_UP BUTTON_UP +#define MEM_MON_UP_REP (BUTTON_UP | BUTTON_REPEAT) +#define MEM_MON_DOWN BUTTON_DOWN +#define MEM_MON_DOWN_REP (BUTTON_DOWN | BUTTON_REPEAT) +#define MEM_MON_RIGHT BUTTON_RIGHT +#define MEM_MON_RIGHT_REP (BUTTON_RIGHT | BUTTON_REPEAT) +#define MEM_MON_LEFT BUTTON_LEFT +#define MEM_MON_LEFT_REP (BUTTON_LEFT | BUTTON_REPEAT) +#define MEM_MON_QUIT BUTTON_POWER +#define MEM_MON_UPDATE BUTTON_SELECT +#define MEM_MON_MODE (BUTTON_SELECT | BUTTON_REPEAT) +#define MEM_MON_FR (BUTTON_RIGHT | BUTTON_REC) +#define MEM_MON_FR_REP (BUTTON_RIGHT | BUTTON_REC | BUTTON_REPEAT) +#define MEM_MON_FL (BUTTON_LEFT | BUTTON_REC) +#define MEM_MON_FL_REP (BUTTON_LEFT | BUTTON_REC | BUTTON_REPEAT) +#define MEM_MON_FU (BUTTON_UP | BUTTON_REC) +#define MEM_MON_FU_REP (BUTTON_UP | BUTTON_REC | BUTTON_REPEAT) +#define MEM_MON_FD (BUTTON_DOWN | BUTTON_REC) +#define MEM_MON_FD_REP (BUTTON_DOWN | BUTTON_REC | BUTTON_REPEAT) +#endif + +/* ui-mode, selected by pressing and holding MEM_MON_MODE */ +#define MODE_PAGE 0 +#define MODE_SELECT 1 +#define MODE_EDIT 2 + +static struct plugin_api* rb; +char *addr; +char *byte_addr = 0; +char new_mem_val = 0; + +int max_rows = 0; +int max_cols = 0; +int ui_mode = 0; + +int fh, fw; +int sel_row = 1; +int sel_col = 0; + +/* + * for testing on simulator + */ +char sim_mem[]="<- This is a memory areas to play around ->"; + +void get_screen_properties(void){ + rb->lcd_clear_display(); + rb->lcd_update(); + rb->font_getstringsize( "0", &fw, &fh, FONT_UI ); + max_rows = (int) (LCD_HEIGHT / fh); + max_cols = (int) (LCD_WIDTH / fw); +} + +void dump_screen(char *address){ + char line[35]; /* 35 characters per line */ + char buf[35]; + char ch; + char mem_val; + int i; + char row = 0; + char col = 0; + + /* status line in row 0 */ + if(ui_mode == MODE_PAGE){ + /* display page address */ + rb->snprintf(line,sizeof(line), "%08x", address); + rb->lcd_puts(col, row, line); + } else { + /* display currently selected address */ + byte_addr = addr + (sel_row-1)*8 + sel_col; + rb->snprintf(buf, sizeof(buf), "%08x", byte_addr); + rb->lcd_puts(0, 0, buf); + } + + /* do the hex/char part */ + for(row=1; rowsnprintf(buf+i*2, sizeof(buf), "%02x", mem_val); + if (mem_val>31 && mem_val<127) + ch=mem_val; + else + ch='.'; + rb->snprintf(buf+20+i, sizeof(buf), "%c", ch); + } + /* copy hex and char parts from buf to line */ + /* FIXME: this is ugly code! */ + rb->strncpy(line, buf, 16); + rb->strncpy(line+17, buf+20, 8); + line[16]=':'; + line[25]='\0'; + + rb->lcd_puts(col, row, line); + + address = address + 8; /* 8 bytes per line */ + } + + switch(ui_mode) { + case MODE_SELECT: + /* invert selected cell */ + rb->lcd_set_drawmode(DRMODE_COMPLEMENT); + rb->lcd_fillrect(sel_col*fw*2, sel_row*fh, fw*2, fh); + rb->lcd_set_drawmode(DRMODE_SOLID); + break; + case MODE_EDIT: + /*print changed value */ + + /* + * FIXME: When inserting with lcd_puts() the rest of the line being erased, why? + * + * rb->snprintf(buf, sizeof(buf), "%02x", new_mem_val); + * rb->lcd_puts(sel_col*2, sel_row, buf); + * + * Display the new value in the upper right corner meanwhile... + */ + rb->snprintf(buf, sizeof(buf), "->%02x", new_mem_val); + rb->lcd_puts(max_cols - 4, 0, buf); + + /* put a "cursor" under selected cell */ + rb->lcd_set_drawmode(DRMODE_COMPLEMENT); + rb->lcd_fillrect(sel_col*fw*2, sel_row*fh+fh-1, fw*2, 1); + rb->lcd_set_drawmode(DRMODE_SOLID); + break; + } + + rb->lcd_update(); +} + +/**********************************/ +/* this is the plugin entry point */ +/**********************************/ +enum plugin_status plugin_start(struct plugin_api* api, void* parameter) +{ + int button, quit = 0; + int button_pre = 0; + + (void)parameter; + rb = api; + + /* give me something to play with */ + addr = sim_mem; + + get_screen_properties(); + dump_screen(addr); + + while(!quit) { + button=rb->button_get(true); + switch(button) { + case MEM_MON_DOWN: + case MEM_MON_DOWN_REP: + /* what mode are we in* */ + switch(ui_mode) { + case MODE_PAGE: + /* page down */ + addr = addr + 8*(max_rows-1); + break; + case MODE_SELECT: + /* row down */ + if (sel_row < max_rows - 1) + sel_row++; + else + addr = addr + 8; /* scroll down one line */ + break; + case MODE_EDIT: + /* decrement value */ + new_mem_val--; + break; + } + break; + + case MEM_MON_UP: + case MEM_MON_UP_REP: + /* what mode are we in* */ + switch(ui_mode) { + case MODE_PAGE: + /* page up */ + addr = addr - 8*(max_rows-1); + break; + case MODE_SELECT: + /* row up */ + if (sel_row > 1) + sel_row--; + else + addr = addr - 8; /*scroll up one line */ + break; + case MODE_EDIT: + /* decrement value */ + new_mem_val++; + break; + } + break; + + case MEM_MON_RIGHT: + case MEM_MON_RIGHT_REP: + /* what mode are we in* */ + switch(ui_mode) { + case MODE_PAGE: + /* page up plus 64kB */ + addr = addr + 0x10000; + break; + case MODE_SELECT: + /* move right */ + if (sel_col < 7) /* limited to hex field */ + sel_col++; + break; + case MODE_EDIT: + break; + } + break; + + case MEM_MON_LEFT: + case MEM_MON_LEFT_REP: + /* what mode are we in* */ + switch(ui_mode) { + case MODE_PAGE: + /* page down minus 64kB */ + addr = addr - 0x10000; + break; + case MODE_SELECT: + /* move left */ + if (sel_col > 0) + sel_col--; + break; + case MODE_EDIT: + break; + } + break; + + /* fast paging modes */ + case MEM_MON_FR: + case MEM_MON_FR_REP: + if(ui_mode == MODE_PAGE) + addr = addr + 0x1000000; + break; + case MEM_MON_FL: + case MEM_MON_FL_REP: + if(ui_mode == MODE_PAGE) + addr = addr - 0x1000000; + break; + case MEM_MON_FU: + case MEM_MON_FU_REP: + if(ui_mode == MODE_PAGE) + addr = addr + 0x100; + break; + case MEM_MON_FD: + case MEM_MON_FD_REP: + if(ui_mode == MODE_PAGE) + addr = addr - 0x100; + break; + + case MEM_MON_UPDATE: + /* update page */ + if(ui_mode == MODE_EDIT){ + /* commit changed value to memory, + and return from edit mode */ + *(addr+(sel_row-1)*8+sel_col) = new_mem_val; + ui_mode = MODE_PAGE; + } + break; + + case MEM_MON_MODE: + /* toggle ui mode to next state */ + if (button_pre != MEM_MON_MODE){ + ui_mode = (ui_mode +1)%3; + if(ui_mode == MODE_EDIT) + new_mem_val = *(addr+(sel_row-1)*8+sel_col); + } + break; + + case MEM_MON_QUIT: + switch (ui_mode){ + case MODE_PAGE: + /* quit plugin */ + quit=true; + return PLUGIN_OK; + break; + case MODE_SELECT: + /* goto page mode */ + ui_mode = MODE_PAGE; + break; + case MODE_EDIT: + /* goto select mode */ + ui_mode = MODE_SELECT; + break; + } + + default: + if (rb->default_event_handler(button) == SYS_USB_CONNECTED) { + return PLUGIN_USB_CONNECTED; + } + break; + } + dump_screen(addr); + button_pre = button; + } + return PLUGIN_OK; +}