kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
888 wiersze
19 KiB
C++
888 wiersze
19 KiB
C++
#define KEYMAP_PRESENT 1
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#define PROGMEM
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#include "pico.h"
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#include "pico/stdlib.h"
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#include "hardware/adc.h"
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#include <stdio.h>
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#include <string.h>
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extern "C" {
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#include "emuapi.h"
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#include "iopins.h"
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}
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#ifdef USE_VGA
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#include "vga_t_dma.h"
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#else
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#include "tft_t_dma.h"
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#endif
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#define MAX_FILES 64
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#define MAX_FILENAME_SIZE 24
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#define MAX_MENULINES 9
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#define TEXT_HEIGHT 16
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#define TEXT_WIDTH 8
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#define MENU_FILE_XOFFSET (6*TEXT_WIDTH)
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#define MENU_FILE_YOFFSET (2*TEXT_HEIGHT)
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#define MENU_FILE_W (MAX_FILENAME_SIZE*TEXT_WIDTH)
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#define MENU_FILE_H (MAX_MENULINES*TEXT_HEIGHT)
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#define MENU_FILE_BGCOLOR RGBVAL16(0x00,0x00,0x40)
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#define MENU_JOYS_YOFFSET (12*TEXT_HEIGHT)
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#define MENU_VBAR_XOFFSET (0*TEXT_WIDTH)
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#define MENU_VBAR_YOFFSET (MENU_FILE_YOFFSET)
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#define MENU_TFT_XOFFSET (MENU_FILE_XOFFSET+MENU_FILE_W+8)
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#define MENU_TFT_YOFFSET (MENU_VBAR_YOFFSET+32)
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#define MENU_VGA_XOFFSET (MENU_FILE_XOFFSET+MENU_FILE_W+8)
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#define MENU_VGA_YOFFSET (MENU_VBAR_YOFFSET+MENU_FILE_H-32-37)
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extern TFT_T_DMA tft;
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static char romspath[64];
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static int nbFiles=0;
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static int curFile=0;
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static int topFile=0;
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static char selection[MAX_FILENAME_SIZE+1]="";
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static char files[MAX_FILES][MAX_FILENAME_SIZE];
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static bool menuRedraw=true;
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#ifdef PICOMPUTER
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static unsigned short * keys;
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static unsigned char keymatrix[6];
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static int keymatrix_hitrow=-1;
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static bool key_fn=false;
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#endif
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static int keyMap;
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static int keypadval=0;
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static bool joySwapped = false;
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static uint16_t bLastState;
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static int xRef;
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static int yRef;
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static uint8_t usbnavpad=0;
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static bool menuOn=true;
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void emu_printf(char * text)
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{
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printf("%s\n",text);
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}
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void emu_printf(int val)
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{
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printf("%d\n",val);
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}
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void emu_printi(int val)
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{
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printf("%d\n",val);
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}
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void emu_printh(int val)
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{
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printf("0x%.8\n",val);
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}
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static int malbufpt = 0;
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static char malbuf[EXTRA_HEAP];
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void * emu_Malloc(int size)
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{
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void * retval = malloc(size);
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if (!retval) {
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emu_printf("failled to allocate");
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emu_printf(size);
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emu_printf("fallback");
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if ( (malbufpt+size) < sizeof(malbuf) ) {
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retval = (void *)&malbuf[malbufpt];
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malbufpt += size;
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}
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else {
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emu_printf("failure to allocate");
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}
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}
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else {
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emu_printf("could allocate dynamic ");
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emu_printf(size);
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}
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return retval;
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}
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void * emu_MallocI(int size)
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{
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void * retval = NULL;
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if ( (malbufpt+size) < sizeof(malbuf) ) {
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retval = (void *)&malbuf[malbufpt];
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malbufpt += size;
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emu_printf("could allocate static ");
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emu_printf(size);
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}
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else {
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emu_printf("failure to allocate");
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}
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return retval;
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}
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void emu_Free(void * pt)
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{
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free(pt);
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}
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int emu_ReadAnalogJoyX(int min, int max)
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{
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adc_select_input(0);
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int val = adc_read();
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#if INVX
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val = 4095 - val;
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#endif
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val = val-xRef;
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val = ((val*140)/100);
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if ( (val > -512) && (val < 512) ) val = 0;
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val = val+2048;
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return (val*(max-min))/4096;
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}
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int emu_ReadAnalogJoyY(int min, int max)
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{
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adc_select_input(1);
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int val = adc_read();
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#if INVY
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val = 4095 - val;
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#endif
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val = val-yRef;
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val = ((val*120)/100);
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if ( (val > -512) && (val < 512) ) val = 0;
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//val = (val*(max-min))/4096;
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val = val+2048;
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//return val+(max-min)/2;
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return (val*(max-min))/4096;
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}
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static uint16_t readAnalogJoystick(void)
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{
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uint16_t joysval = 0;
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#ifdef PIN_JOY2_A1X
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int xReading = emu_ReadAnalogJoyX(0,256);
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if (xReading > 128) joysval |= MASK_JOY2_LEFT;
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else if (xReading < 128) joysval |= MASK_JOY2_RIGHT;
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int yReading = emu_ReadAnalogJoyY(0,256);
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if (yReading < 128) joysval |= MASK_JOY2_UP;
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else if (yReading > 128) joysval |= MASK_JOY2_DOWN;
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#endif
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#ifdef PIN_JOY2_BTN
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joysval |= (gpio_get(PIN_JOY2_BTN) ? 0 : MASK_JOY2_BTN);
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#endif
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return (joysval);
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}
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int emu_SwapJoysticks(int statusOnly) {
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if (!statusOnly) {
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if (joySwapped) {
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joySwapped = false;
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}
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else {
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joySwapped = true;
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}
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}
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return(joySwapped?1:0);
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}
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int emu_GetPad(void)
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{
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return(keypadval/*|((joySwapped?1:0)<<7)*/);
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}
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int emu_ReadKeys(void)
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{
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uint16_t retval;
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uint16_t j1 = readAnalogJoystick();
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uint16_t j2 = 0;
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// Second joystick
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#if INVY
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#ifdef PIN_JOY1_1
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if ( !gpio_get(PIN_JOY1_1) ) j2 |= MASK_JOY2_DOWN;
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#endif
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#ifdef PIN_JOY1_2
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if ( !gpio_get(PIN_JOY1_2) ) j2 |= MASK_JOY2_UP;
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#endif
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#else
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#ifdef PIN_JOY1_1
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if ( !gpio_get(PIN_JOY1_1) ) j2 |= MASK_JOY2_UP;
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#endif
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#ifdef PIN_JOY1_2
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if ( !gpio_get(PIN_JOY1_2) ) j2 |= MASK_JOY2_DOWN;
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#endif
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#endif
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#if INVX
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#ifdef PIN_JOY1_3
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if ( !gpio_get(PIN_JOY1_3) ) j2 |= MASK_JOY2_LEFT;
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#endif
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#ifdef PIN_JOY1_4
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if ( !gpio_get(PIN_JOY1_4) ) j2 |= MASK_JOY2_RIGHT;
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#endif
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#else
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#ifdef PIN_JOY1_3
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if ( !gpio_get(PIN_JOY1_3) ) j2 |= MASK_JOY2_RIGHT;
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#endif
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#ifdef PIN_JOY1_4
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if ( !gpio_get(PIN_JOY1_4) ) j2 |= MASK_JOY2_LEFT;
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#endif
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#endif
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#ifdef PIN_JOY1_BTN
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if ( !gpio_get(PIN_JOY1_BTN) ) j2 |= MASK_JOY2_BTN;
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#endif
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if (joySwapped) {
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retval = ((j1 << 8) | j2);
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}
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else {
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retval = ((j2 << 8) | j1);
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}
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if (usbnavpad & MASK_JOY2_UP) retval |= MASK_JOY2_UP;
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if (usbnavpad & MASK_JOY2_DOWN) retval |= MASK_JOY2_DOWN;
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if (usbnavpad & MASK_JOY2_LEFT) retval |= MASK_JOY2_LEFT;
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if (usbnavpad & MASK_JOY2_RIGHT) retval |= MASK_JOY2_RIGHT;
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if (usbnavpad & MASK_JOY2_BTN) retval |= MASK_JOY2_BTN;
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#ifdef PIN_KEY_USER1
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if ( !gpio_get(PIN_KEY_USER1) ) retval |= MASK_KEY_USER1;
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#endif
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#ifdef PIN_KEY_USER2
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if ( !gpio_get(PIN_KEY_USER2) ) retval |= MASK_KEY_USER2;
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#endif
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#ifdef PIN_KEY_USER3
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if ( !gpio_get(PIN_KEY_USER3) ) retval |= MASK_KEY_USER3;
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#endif
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#ifdef PIN_KEY_USER4
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if ( !gpio_get(PIN_KEY_USER4) ) retval |= MASK_KEY_USER4;
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#endif
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#ifdef PICOMPUTER
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keymatrix_hitrow = -1;
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unsigned char row;
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unsigned short cols[6]={1,2,3,4,5,14};
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for (int i=0;i<6;i++){
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gpio_put(cols[i], 0);
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row=0;
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row |= (gpio_get(9) ? 0 : 0x01);
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row |= (gpio_get(9) ? 0 : 0x01);
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row |= (gpio_get(9) ? 0 : 0x01);
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row |= (gpio_get(9) ? 0 : 0x01);
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row |= (gpio_get(8) ? 0 : 0x02);
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row |= (gpio_get(6) ? 0 : 0x04);
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row |= (gpio_get(15) ? 0 : 0x08);
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row |= (gpio_get(7) ? 0 : 0x10);
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row |= (gpio_get(22) ? 0 : 0x20);
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/*
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if ( !gpio_get(9) ) row |= 0x01;
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if ( !gpio_get(9) ) row |= 0x01;
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if ( !gpio_get(9) ) row |= 0x01;
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if ( !gpio_get(9) ) row |= 0x01;
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if ( !gpio_get(8) ) row |= 0x02;
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if ( !gpio_get(6) ) row |= 0x04;
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if ( !gpio_get(15) ) row |= 0x08;
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if ( !gpio_get(7) ) row |= 0x10;
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if ( !gpio_get(22) ) row |= 0x20;
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*/
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keymatrix[i]=row;
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if (row) keymatrix_hitrow=i;
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gpio_put(cols[i], 1);
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}
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//6,9,15,8,7,22
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#if INVX
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if ( row & 0x2 ) retval |= MASK_JOY2_LEFT;
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if ( row & 0x1 ) retval |= MASK_JOY2_RIGHT;
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#else
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if ( row & 0x1 ) retval |= MASK_JOY2_LEFT;
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if ( row & 0x2 ) retval |= MASK_JOY2_RIGHT;
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#endif
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#if INVY
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if ( row & 0x8 ) retval |= MASK_JOY2_DOWN;
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if ( row & 0x4 ) retval |= MASK_JOY2_UP;
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#else
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if ( row & 0x4 ) retval |= MASK_JOY2_DOWN;
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if ( row & 0x8 ) retval |= MASK_JOY2_UP;
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#endif
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if ( row & 0x10 ) retval |= MASK_JOY2_BTN;
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if ( row & 0x20 ) retval |= MASK_KEY_USER1;
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#endif
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//Serial.println(retval,HEX);
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if ( ((retval & (MASK_KEY_USER1+MASK_KEY_USER2)) == (MASK_KEY_USER1+MASK_KEY_USER2))
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|| (retval & MASK_KEY_USER4 ) )
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{
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}
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return (retval);
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}
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unsigned short emu_DebounceLocalKeys(void)
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{
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uint16_t bCurState = emu_ReadKeys();
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uint16_t bClick = bCurState & ~bLastState;
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bLastState = bCurState;
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return (bClick);
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}
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int emu_ReadI2CKeyboard(void) {
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int retval=0;
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#ifdef PICOMPUTER
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if ( keymatrix[0] & 0x02 ) {
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key_fn = true;
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}
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if (key_fn) {
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keys = (unsigned short *)key_map2;
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}
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else {
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keys = (unsigned short *)key_map1;
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}
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if (keymatrix_hitrow >=0 ) {
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unsigned short match = ((unsigned short)keymatrix_hitrow<<8) | keymatrix[keymatrix_hitrow];
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for (int i=0; i<sizeof(matkeys); i++) {
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if (match == matkeys[i]) {
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key_fn = false;
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return (keys[i]);
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}
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}
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}
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#endif
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return(retval);
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}
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void emu_InitJoysticks(void) {
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// Second Joystick
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#ifdef PIN_JOY1_1
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gpio_set_pulls(PIN_JOY1_1,true,false);
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gpio_set_dir(PIN_JOY1_1,GPIO_IN);
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#endif
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#ifdef PIN_JOY1_2
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gpio_set_pulls(PIN_JOY1_2,true,false);
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gpio_set_dir(PIN_JOY1_2,GPIO_IN);
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#endif
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#ifdef PIN_JOY1_3
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gpio_set_pulls(PIN_JOY1_3,true,false);
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gpio_set_dir(PIN_JOY1_3,GPIO_IN);
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#endif
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#ifdef PIN_JOY1_4
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gpio_set_pulls(PIN_JOY1_4,true,false);
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gpio_set_dir(PIN_JOY1_4,GPIO_IN);
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#endif
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#ifdef PIN_JOY1_BTN
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gpio_set_pulls(PIN_JOY1_BTN,true,false);
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gpio_set_dir(PIN_JOY1_BTN,GPIO_IN);
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#endif
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#ifdef PIN_KEY_USER1
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gpio_set_pulls(PIN_KEY_USER1,true,false);
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gpio_set_dir(PIN_KEY_USER1,GPIO_IN);
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#endif
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#ifdef PIN_KEY_USER2
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gpio_set_pulls(PIN_KEY_USER2,true,false);
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gpio_set_dir(PIN_KEY_USER2,GPIO_IN);
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#endif
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#ifdef PIN_KEY_USER3
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gpio_set_pulls(PIN_KEY_USER3,true,false);
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gpio_set_dir(PIN_KEY_USER3,GPIO_IN);
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#endif
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#ifdef PIN_KEY_USER4
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gpio_set_pulls(PIN_KEY_USER4,true,false);
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gpio_set_dir(PIN_KEY_USER4,GPIO_IN);
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#endif
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#ifdef PIN_JOY2_BTN
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gpio_set_pulls(PIN_JOY2_BTN,true,false);
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gpio_set_dir(PIN_JOY2_BTN,GPIO_IN);
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#endif
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#ifdef PIN_JOY2_A1X
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adc_init();
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adc_gpio_init(PIN_JOY2_A1X);
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adc_gpio_init(PIN_JOY2_A2Y);
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xRef=0; yRef=0;
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for (int i=0; i<10; i++) {
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adc_select_input(0);
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xRef += adc_read();
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adc_select_input(1);
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yRef += adc_read();
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sleep_ms(20);
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}
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#if INVX
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xRef = 4095 -xRef/10;
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#else
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xRef /= 10;
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#endif
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#if INVY
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yRef = 4095 -yRef/10;
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#else
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yRef /= 10;
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#endif
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#endif
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#ifdef PICOMPUTER
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gpio_init(1);
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gpio_init(2);
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gpio_init(3);
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gpio_init(4);
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gpio_init(5);
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gpio_init(14);
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gpio_init(6);
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gpio_init(9);
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gpio_init(15);
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gpio_init(8);
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gpio_init(7);
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gpio_init(22);
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gpio_set_dir(1, GPIO_OUT);
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gpio_set_dir(2, GPIO_OUT);
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gpio_set_dir(3, GPIO_OUT);
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gpio_set_dir(4, GPIO_OUT);
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gpio_set_dir(5, GPIO_OUT);
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gpio_set_dir(14, GPIO_OUT);
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gpio_put(1, 1);
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gpio_put(2, 1);
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gpio_put(3, 1);
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gpio_put(4, 1);
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gpio_put(5, 1);
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gpio_put(14, 1);
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gpio_set_pulls(6,true,false);
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gpio_set_dir(6,GPIO_IN);
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gpio_set_pulls(9,true,false);
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gpio_set_dir(9,GPIO_IN);
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gpio_set_pulls(15,true,false);
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gpio_set_dir(15,GPIO_IN);
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gpio_set_pulls(8,true,false);
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gpio_set_dir(8,GPIO_IN);
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gpio_set_pulls(7,true,false);
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gpio_set_dir(7,GPIO_IN);
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gpio_set_pulls(22,true,false);
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gpio_set_dir(22,GPIO_IN);
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#endif
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}
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int emu_setKeymap(int index) {
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}
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#include "ff.h"
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static FATFS fatfs;
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static FIL file;
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extern "C" int sd_init_driver(void);
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static int readNbFiles(char * rootdir) {
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int totalFiles = 0;
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DIR dir;
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FILINFO entry;
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FRESULT fr = f_findfirst(&dir, &entry, rootdir, "*");
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while ( (fr == FR_OK) && (entry.fname[0]) && (totalFiles<MAX_FILES) ) {
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// f_readdir(&dir, &entry);
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if (!entry.fname[0]) {
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|
// no more files
|
|
break;
|
|
}
|
|
char * filename = entry.fname;
|
|
if ( !(entry.fattrib & AM_DIR) ) {
|
|
strncpy(&files[totalFiles][0], filename, MAX_FILENAME_SIZE-1);
|
|
totalFiles++;
|
|
}
|
|
else {
|
|
if ( (strcmp(filename,".")) && (strcmp(filename,"..")) ) {
|
|
strncpy(&files[totalFiles][0], filename, MAX_FILENAME_SIZE-1);
|
|
totalFiles++;
|
|
}
|
|
}
|
|
fr = f_findnext(&dir, &entry);
|
|
}
|
|
f_closedir(&dir);
|
|
|
|
return totalFiles;
|
|
}
|
|
|
|
|
|
|
|
void backgroundMenu(void) {
|
|
menuRedraw=true;
|
|
tft.fillScreenNoDma(RGBVAL16(0x00,0x00,0x00));
|
|
tft.drawTextNoDma(0,0, TITLE, RGBVAL16(0x00,0xff,0xff), RGBVAL16(0x00,0x00,0xff), true);
|
|
}
|
|
|
|
int handleMenu(uint16_t bClick)
|
|
{
|
|
int action = ACTION_NONE;
|
|
|
|
char newpath[80];
|
|
strcpy(newpath, romspath);
|
|
strcat(newpath, "/");
|
|
strcat(newpath, selection);
|
|
if ( (bClick & MASK_JOY2_BTN) ) {
|
|
emu_printf(newpath);
|
|
DIR dir;
|
|
FILINFO entry;
|
|
FRESULT fr;
|
|
fr = f_findfirst(&dir, &entry, romspath, selection);
|
|
if ( (fr == FR_OK) && (entry.fattrib & AM_DIR) ) {
|
|
printf("we enter %s/%s\n", romspath, selection);
|
|
strcpy(romspath,newpath);
|
|
curFile = 0;
|
|
nbFiles = readNbFiles(newpath);
|
|
}
|
|
else
|
|
{
|
|
action = ACTION_RUNTFT;
|
|
}
|
|
menuRedraw=true;
|
|
}
|
|
else if ( (bClick & MASK_KEY_USER1) ) {
|
|
menuRedraw=true;
|
|
action = ACTION_RUNVGA;
|
|
}
|
|
else if (bClick & MASK_JOY2_UP) {
|
|
if (curFile!=0) {
|
|
menuRedraw=true;
|
|
curFile--;
|
|
}
|
|
}
|
|
else if ( (bClick & MASK_JOY2_RIGHT) || (bClick & MASK_JOY1_RIGHT) ) {
|
|
if ((curFile-9)>=0) {
|
|
menuRedraw=true;
|
|
curFile -= 9;
|
|
} else if (curFile!=0) {
|
|
menuRedraw=true;
|
|
curFile--;
|
|
}
|
|
}
|
|
else if (bClick & MASK_JOY2_DOWN) {
|
|
if ((curFile<(nbFiles-1)) && (nbFiles)) {
|
|
curFile++;
|
|
menuRedraw=true;
|
|
}
|
|
}
|
|
else if ( (bClick & MASK_JOY2_LEFT) || (bClick & MASK_JOY1_LEFT) ) {
|
|
if ((curFile<(nbFiles-9)) && (nbFiles)) {
|
|
curFile += 9;
|
|
menuRedraw=true;
|
|
}
|
|
else if ((curFile<(nbFiles-1)) && (nbFiles)) {
|
|
curFile++;
|
|
menuRedraw=true;
|
|
}
|
|
}
|
|
else if ( (bClick & MASK_KEY_USER2) ) {
|
|
emu_SwapJoysticks(0);
|
|
menuRedraw=true;
|
|
}
|
|
|
|
if (menuRedraw && nbFiles) {
|
|
int fileIndex = 0;
|
|
tft.drawRectNoDma(MENU_FILE_XOFFSET,MENU_FILE_YOFFSET, MENU_FILE_W, MENU_FILE_H, MENU_FILE_BGCOLOR);
|
|
// if (curFile <= (MAX_MENULINES/2-1)) topFile=0;
|
|
// else topFile=curFile-(MAX_MENULINES/2);
|
|
if (curFile <= (MAX_MENULINES-1)) topFile=0;
|
|
else topFile=curFile-(MAX_MENULINES/2);
|
|
|
|
//Serial.print("curfile: ");
|
|
//Serial.println(curFile);
|
|
//Serial.print("topFile: ");
|
|
//Serial.println(topFile);
|
|
|
|
int i=0;
|
|
while (i<MAX_MENULINES) {
|
|
if (fileIndex>=nbFiles) {
|
|
// no more files
|
|
break;
|
|
}
|
|
char * filename = &files[fileIndex][0];
|
|
if (fileIndex >= topFile) {
|
|
if ((i+topFile) < nbFiles ) {
|
|
if ((i+topFile)==curFile) {
|
|
tft.drawTextNoDma(MENU_FILE_XOFFSET,i*TEXT_HEIGHT+MENU_FILE_YOFFSET, filename, RGBVAL16(0xff,0xff,0x00), RGBVAL16(0xff,0x00,0x00), true);
|
|
strcpy(selection,filename);
|
|
}
|
|
else {
|
|
tft.drawTextNoDma(MENU_FILE_XOFFSET,i*TEXT_HEIGHT+MENU_FILE_YOFFSET, filename, RGBVAL16(0xff,0xff,0xff), MENU_FILE_BGCOLOR, true);
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
fileIndex++;
|
|
}
|
|
|
|
|
|
tft.drawTextNoDma(48,MENU_JOYS_YOFFSET+8, (emu_SwapJoysticks(1)?(char*)"SWAP=1":(char*)"SWAP=0"), RGBVAL16(0x00,0xff,0xff), RGBVAL16(0x00,0x00,0xff), false);
|
|
menuRedraw=false;
|
|
}
|
|
|
|
return (action);
|
|
}
|
|
|
|
bool menuActive(void)
|
|
{
|
|
return (menuOn);
|
|
}
|
|
|
|
void toggleMenu(bool on) {
|
|
if (on) {
|
|
menuOn = true;
|
|
backgroundMenu();
|
|
} else {
|
|
menuOn = false;
|
|
}
|
|
}
|
|
|
|
char * menuSelection(void)
|
|
{
|
|
return (selection);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int emu_FileOpen(char * filename)
|
|
{
|
|
int retval = 0;
|
|
|
|
char filepath[80];
|
|
strcpy(filepath, romspath);
|
|
strcat(filepath, "/");
|
|
strcat(filepath, filename);
|
|
emu_printf("FileOpen...");
|
|
emu_printf(filepath);
|
|
if( !(f_open(&file, filepath, FA_READ)) ) {
|
|
retval = 1;
|
|
}
|
|
else {
|
|
emu_printf("FileOpen failed");
|
|
}
|
|
return (retval);
|
|
}
|
|
|
|
int emu_FileRead(char * buf, int size)
|
|
{
|
|
unsigned char buffer[256];
|
|
int remaining = size;
|
|
int byteread = 0;
|
|
unsigned int retval=0;
|
|
if (size < 256) {
|
|
if( !(f_read (&file, buffer, size, &retval)) )
|
|
if (retval>0) {
|
|
memcpy(buf,buffer,retval);
|
|
byteread += retval;
|
|
}
|
|
}
|
|
else {
|
|
while (remaining>0) {
|
|
if( !(f_read (&file, buffer, 256, &retval)) )
|
|
//f_read (&file, buffer, 256, &retval);
|
|
if (retval>0) {
|
|
//emu_printi(retval);
|
|
memcpy(buf,buffer,retval);
|
|
buf += retval;
|
|
byteread += retval;
|
|
remaining -= retval;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return byteread;
|
|
}
|
|
|
|
unsigned char emu_FileGetc(void) {
|
|
unsigned char c;
|
|
unsigned int retval=0;
|
|
if( !(f_read (&file, &c, 1, &retval)) )
|
|
if (retval != 1) {
|
|
emu_printf("emu_FileGetc failed");
|
|
}
|
|
return c;
|
|
}
|
|
|
|
|
|
void emu_FileClose(void)
|
|
{
|
|
f_close(&file);
|
|
}
|
|
|
|
int emu_FileSize(char * filename)
|
|
{
|
|
int filesize=0;
|
|
char filepath[80];
|
|
strcpy(filepath, romspath);
|
|
strcat(filepath, "/");
|
|
strcat(filepath, filename);
|
|
emu_printf("FileSize...");
|
|
emu_printf(filepath);
|
|
FILINFO entry;
|
|
f_stat(filepath, &entry);
|
|
filesize = entry.fsize;
|
|
return(filesize);
|
|
}
|
|
|
|
|
|
#ifdef SDIO
|
|
|
|
int emu_FileSeek(int seek)
|
|
{
|
|
#ifdef USE_SDFS
|
|
f_lseek(&file, seek);
|
|
#else
|
|
file.seek(seek);
|
|
#endif
|
|
return (seek);
|
|
}
|
|
|
|
int emu_FileTell(void)
|
|
{
|
|
#ifdef USE_SDFS
|
|
return (f_tell(&file));
|
|
#else
|
|
return (50);
|
|
#endif
|
|
}
|
|
|
|
|
|
int emu_LoadFile(char * filename, char * buf, int size)
|
|
{
|
|
int filesize = 0;
|
|
|
|
char filepath[80];
|
|
strcpy(filepath, romspath);
|
|
strcat(filepath, "/");
|
|
strcat(filepath, filename);
|
|
emu_printf("LoadFile...");
|
|
emu_printf(filepath);
|
|
#ifdef USE_SDFS
|
|
if( !(f_open(&file, filepath, FA_READ)) ) {
|
|
filesize = f_size(&file);
|
|
emu_printf(filesize);
|
|
if (size >= filesize)
|
|
{
|
|
int retval=0;
|
|
if( (f_read (&file, buf, filesize, &retval)) ) {
|
|
emu_printf("File read failed");
|
|
}
|
|
}
|
|
f_close(&file);
|
|
}
|
|
#else
|
|
if ((file = SD.open(filepath, O_READ)))
|
|
{
|
|
filesize = file.size();
|
|
emu_printf(filesize);
|
|
|
|
if (size >= filesize)
|
|
{
|
|
if (emu_FileRead(buf, filesize) != filesize)
|
|
{
|
|
emu_printf("File read failed");
|
|
}
|
|
}
|
|
file.close();
|
|
}
|
|
#endif
|
|
|
|
return(filesize);
|
|
}
|
|
|
|
int emu_LoadFileSeek(char * filename, char * buf, int size, int seek)
|
|
{
|
|
int filesize = 0;
|
|
|
|
char filepath[80];
|
|
strcpy(filepath, romspath);
|
|
strcat(filepath, "/");
|
|
strcat(filepath, filename);
|
|
emu_printf("LoadFileSeek...");
|
|
emu_printf(filepath);
|
|
#ifdef USE_SDFS
|
|
if( !(f_open(&file, filepath, FA_READ)) ) {
|
|
f_lseek(&file, seek);
|
|
emu_printf(size);
|
|
if (size >= filesize)
|
|
{
|
|
int retval=0;
|
|
if( (!f_read (&file, buf, size, &retval)) )
|
|
if (retval != size)
|
|
{
|
|
emu_printf("File read failed");
|
|
}
|
|
}
|
|
f_close(&file);
|
|
}
|
|
#else
|
|
if ((file = SD.open(filepath, O_READ)))
|
|
{
|
|
file.seek(seek);
|
|
emu_printf(size);
|
|
if (file.read(buf, size) != size) {
|
|
emu_printf("File read failed");
|
|
}
|
|
file.close();
|
|
}
|
|
#endif
|
|
|
|
return(filesize);
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
void emu_init(void)
|
|
{
|
|
sd_init_driver();
|
|
FRESULT fr = f_mount(&fatfs, "0:", 1);
|
|
//emu_FileSystemInit();
|
|
|
|
strcpy(romspath,ROMSDIR);
|
|
nbFiles = readNbFiles(romspath);
|
|
|
|
emu_printf("SD initialized, files found: ");
|
|
emu_printi(nbFiles);
|
|
|
|
emu_InitJoysticks();
|
|
#ifdef SWAP_JOYSTICK
|
|
joySwapped = true;
|
|
#else
|
|
joySwapped = false;
|
|
#endif
|
|
|
|
toggleMenu(true);
|
|
}
|
|
|
|
|
|
void emu_start(void)
|
|
{
|
|
usbnavpad = 0;
|
|
|
|
keyMap = 0;
|
|
}
|