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GD2.h
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/*
* Copyright (C) 2013-2018 by James Bowman <[email protected]>
* Gameduino 2/3 library for Arduino, Arduino Due, Teensy 3.2,
* ESP8266 and ESP32.
*/
#ifndef _GD2_H_INCLUDED
#define _GD2_H_INCLUDED
#define GD2_VERSION "%VERSION"
#if defined(RASPBERRY_PI) || defined(DUMPDEV)
#include "wiring.h"
#endif
#include "Arduino.h"
#include <stdarg.h>
#define RGB(r, g, b) ((uint32_t)((((r) & 0xffL) << 16) | (((g) & 0xffL) << 8) | ((b) & 0xffL)))
#define F8(x) (int((x) * 256L))
#define F16(x) ((int32_t)((x) * 65536L))
#define GD_CALIBRATE 1
#define GD_TRIM 2
#define GD_STORAGE 4
#ifdef __SAM3X8E__
#define __DUE__ 1
#endif
////////////////////////////////////////////////////////////////////////
// Decide if we want to compile in SDcard support
//
// For stock Arduino models: yes
// Raspberry PI: no
// Arduino Due: no
//
#if !defined(RASPBERRY_PI) && !defined(DUMPDEV)
#define SDCARD 1
#else
#define SDCARD 0
#endif
#if defined(__DUE__)
#define MOSI 11
#define MISO 12
#define SCK 13 // B.27
class ASPI_t {
public:
void begin(void) {
pinMode(MOSI, OUTPUT);
pinMode(MISO, INPUT);
pinMode(SCK, OUTPUT);
digitalWrite(SCK, 0);
// PIOB->PIO_PER = PIO_PB27;
// PIOB->PIO_CODR = PIO_PB27;
// PIOB->PIO_PUDR = PIO_PB27;
}
byte transfer(byte x ) {
byte r = 0;
for (byte i = 8; i; i--) {
if (x & 0x80)
PIOD->PIO_SODR = PIO_PD7;
else
PIOD->PIO_CODR = PIO_PD7;
// digitalWrite(MOSI, (x >> 7) & 1);
x <<= 1;
// digitalWrite(SCK, 1);
PIOB->PIO_SODR = PIO_PB27;
r <<= 1;
r |= digitalRead(MISO);
// digitalWrite(SCK, 0);
PIOB->PIO_CODR = PIO_PB27;
}
return r;
}
void transfer(byte*m, int s) {
while (s--) {
*m = transfer(*m);
m++;
}
}
};
static class ASPI_t ASPI;
#define SPI ASPI
#endif
#if defined(ARDUINO_STM32L4_BLACKICE)
// BlackIce Board uses SPI1 on the Arduino header.
#define SPI SPI1
// Board Support:
// JSON: http://www.hamnavoe.com/package_millerresearch_mystorm_index.json
// Source: https://github.com/millerresearch/arduino-mystorm
#endif
#if SDCARD
#if defined(VERBOSE) && (VERBOSE > 0)
#define INFO(X) Serial.println((X))
#if defined(RASPBERRY_PI)
#define REPORT(VAR) fprintf(stderr, #VAR "=%d\n", (VAR))
#else
#define REPORT(VAR) (Serial.print(#VAR "="), Serial.print(VAR, DEC), Serial.print(' '), Serial.println(VAR, HEX))
#endif
#else
#define INFO(X)
#define REPORT(X)
#endif
struct dirent {
char name[8];
char ext[3];
byte attribute;
byte reserved[8];
uint16_t cluster_hi; // FAT32 only
uint16_t time;
uint16_t date;
uint16_t cluster;
uint32_t size;
};
// https://www.sdcard.org/downloads/pls/simplified_specs/Part_1_Physical_Layer_Simplified_Specification_Ver_3.01_Final_100518.pdf
// page 22
// http://mac6.ma.psu.edu/space2008/RockSat/microController/sdcard_appnote_foust.pdf
// http://elm-chan.org/docs/mmc/mmc_e.html
// http://www.pjrc.com/tech/8051/ide/fat32.html
#define FAT16 0
#define FAT32 1
#define DD
class sdcard {
public:
void sel() {
digitalWrite(pin, LOW);
delay(1);
}
void desel() {
digitalWrite(pin, HIGH);
SPI.transfer(0xff); // force DO release
}
void sd_delay(byte n) {
while (n--) {
DD SPI.transfer(0xff);
}
}
void cmd(byte cmd, uint32_t lba = 0, uint8_t crc = 0x95) {
#if VERBOSE > 1
Serial.print("cmd ");
Serial.print(cmd, DEC);
Serial.print(" ");
Serial.print(lba, HEX);
Serial.println();
#endif
sel();
// DD SPI.transfer(0xff);
DD SPI.transfer(0x40 | cmd);
DD SPI.transfer(0xff & (lba >> 24));
DD SPI.transfer(0xff & (lba >> 16));
DD SPI.transfer(0xff & (lba >> 8));
DD SPI.transfer(0xff & (lba));
DD SPI.transfer(crc);
// DD SPI.transfer(0xff);
}
byte response() {
byte r;
DD
r = SPI.transfer(0xff);
while (r & 0x80) {
DD
r = SPI.transfer(0xff);
}
return r;
}
byte R1() { // read response R1
byte r = response();
desel();
SPI.transfer(0xff); // trailing byte
return r;
}
byte sdR3(uint32_t &ocr) { // read response R3
byte r = response();
for (byte i = 4; i; i--)
ocr = (ocr << 8) | SPI.transfer(0xff);
SPI.transfer(0xff); // trailing byte
desel();
return r;
}
byte sdR7() { // read response R3
byte r = response();
for (byte i = 4; i; i--)
// Serial.println(SPI.transfer(0xff), HEX);
SPI.transfer(0xff);
desel();
return r;
}
void appcmd(byte cc, uint32_t lba = 0) {
cmd(55); R1();
cmd(cc, lba);
}
void begin(byte p) {
byte type_code;
byte sdhc;
pin = p;
pinMode(pin, OUTPUT);
#if !defined(__DUE__) && !defined(TEENSYDUINO) && !defined(ARDUINO_ARCH_STM32L4)
SPI.setClockDivider(SPI_CLOCK_DIV64);
#endif
desel();
// for (;;) SPI.transfer(0xff);
delay(50); // wait for boot
sd_delay(10); // deselected, 80 pulses
INFO("Attempting card reset... ");
byte r1;
static int attempts;
attempts = 0;
do { // reset, enter idle
cmd(0);
while ((r1 = SPI.transfer(0xff)) & 0x80)
if (++attempts == 1000)
goto finished;
desel();
SPI.transfer(0xff); // trailing byte
REPORT(r1);
} while (r1 != 1);
INFO("reset ok\n");
sdhc = 0;
cmd(8, 0x1aa, 0x87);
r1 = sdR7();
sdhc = (r1 == 1);
REPORT(sdhc);
INFO("Sending card init command");
attempts = 0;
while (1) {
appcmd(41, sdhc ? (1UL << 30) : 0); // card init
r1 = R1();
#if VERBOSE
Serial.println(r1, HEX);
#endif
if ((r1 & 1) == 0)
break;
if (++attempts == 300)
goto finished;
delay(1);
}
INFO("OK");
if (sdhc) {
uint32_t OCR = 0;
for (int i = 10; i; i--) {
cmd(58);
sdR3(OCR);
REPORT(OCR);
}
ccs = 1UL & (OCR >> 30);
} else {
ccs = 0;
}
REPORT(ccs);
// Test point: dump sector 0 to serial.
// should see first 512 bytes of card, ending 55 AA.
#if 0
cmd17(0);
for (int i = 0; i < 512; i++) {
delay(10);
byte b = SPI.transfer(0xff);
Serial.print(b, HEX);
Serial.print(' ');
if ((i & 15) == 15)
Serial.println();
}
desel();
for (;;);
#endif
#if !defined(__DUE__) && !defined(ESP8266) && !defined(ESP32) && !defined(ARDUINO_ARCH_STM32L4) && !defined(ARDUINO_ARCH_STM32)
SPI.setClockDivider(SPI_CLOCK_DIV2);
SPSR = (1 << SPI2X);
#endif
#if defined(ESP8266)
SPI.setFrequency(40000000L);
#elif defined(ESP32)
SPI.setFrequency(25000000L);
#elif defined(ARDUINO_ARCH_STM32)
SPI.beginTransaction(SPISettings(18000000, MSBFIRST, SPI_MODE0));
#endif
type_code = rd(0x1be + 0x4);
switch (type_code) {
default:
type = FAT16;
break;
case 0x0b:
case 0x0c:
type = FAT32;
break;
}
REPORT(type_code);
o_partition = 512L * rd4(0x1be + 0x8);
sectors_per_cluster = rd(o_partition + 0xd);
reserved_sectors = rd2(o_partition + 0xe);
cluster_size = 512L * sectors_per_cluster;
REPORT(sectors_per_cluster);
// Serial.println("Bytes per sector: %d\n", rd2(o_partition + 0xb));
// Serial.println("Sectors per cluster: %d\n", sectors_per_cluster);
if (type == FAT16) {
max_root_dir_entries = rd2(o_partition + 0x11);
sectors_per_fat = rd2(o_partition + 0x16);
o_fat = o_partition + 512L * reserved_sectors;
o_root = o_fat + (2 * 512L * sectors_per_fat);
// data area starts with cluster 2, so offset it here
o_data = o_root + (max_root_dir_entries * 32L) - (2L * cluster_size);
} else {
uint32_t sectors_per_fat = rd4(o_partition + 0x24);
root_dir_first_cluster = rd4(o_partition + 0x2c);
uint32_t fat_begin_lba = (o_partition >> 9) + reserved_sectors;
uint32_t cluster_begin_lba = (o_partition >> 9) + reserved_sectors + (2 * sectors_per_fat);
o_fat = 512L * fat_begin_lba;
o_root = (512L * (cluster_begin_lba + (root_dir_first_cluster - 2) * sectors_per_cluster));
o_data = (512L * (cluster_begin_lba - 2 * sectors_per_cluster));
}
finished:
INFO("finished");
;
}
void cmd17(uint32_t off) {
if (ccs)
cmd(17, off >> 9);
else
cmd(17, off & ~511L);
R1();
sel();
while (SPI.transfer(0xff) != 0xfe)
;
}
void rdn(byte *d, uint32_t off, uint16_t n) {
cmd17(off);
uint16_t i;
uint16_t bo = (off & 511);
for (i = 0; i < bo; i++)
SPI.transfer(0xff);
for (i = 0; i < n; i++)
*d++ = SPI.transfer(0xff);
for (i = 0; i < (514 - bo - n); i++)
SPI.transfer(0xff);
desel();
}
uint32_t rd4(uint32_t off) {
uint32_t r;
rdn((byte*)&r, off, sizeof(r));
return r;
}
uint16_t rd2(uint32_t off) {
uint16_t r;
rdn((byte*)&r, off, sizeof(r));
return r;
}
byte rd(uint32_t off) {
byte r;
rdn((byte*)&r, off, sizeof(r));
return r;
}
byte pin;
byte ccs;
byte type;
uint16_t sectors_per_cluster;
uint16_t reserved_sectors;
uint16_t max_root_dir_entries;
uint16_t sectors_per_fat;
uint16_t cluster_size;
uint32_t root_dir_first_cluster;
// These are all linear addresses, hence the o_ prefix
uint32_t o_partition;
uint32_t o_fat;
uint32_t o_root;
uint32_t o_data;
};
static void dos83(byte dst[11], const char *ps)
{
byte i = 0;
while (*ps) {
if (*ps != '.')
dst[i++] = toupper(*ps);
else {
while (i < 8)
dst[i++] = ' ';
}
ps++;
}
while (i < 11)
dst[i++] = ' ';
}
#else
class sdcard {
public:
void begin(int p) {};
};
#endif
////////////////////////////////////////////////////////////////////////
class xy {
public:
int x, y;
void set(int _x, int _y);
void rmove(int distance, int angle);
int angleto(class xy &other);
void draw(byte offset = 0);
void rotate(int angle);
int onscreen(void);
class xy operator<<=(int d);
class xy operator+=(class xy &other);
class xy operator-=(class xy &other);
long operator*(class xy &other);
class xy operator*=(int);
int nearer_than(int distance, xy &other);
};
class Bitmap {
public:
xy size, center;
uint32_t source;
uint8_t format;
int8_t handle;
void fromtext(int font, const char* s);
void fromfile(const char *filename, int format = 7);
void bind(uint8_t handle);
void wallpaper();
void draw(int x, int y, int16_t angle = 0);
void draw(const xy &pos, int16_t angle = 0);
private:
void defaults(uint8_t f);
void setup(void);
};
class Bitmap __fromatlas(uint32_t addr);
////////////////////////////////////////////////////////////////////////
class GDClass {
public:
int w, h;
uint32_t loadptr;
void begin(uint8_t options = (GD_CALIBRATE | GD_TRIM | GD_STORAGE));
uint16_t random();
uint16_t random(uint16_t n);
uint16_t random(uint16_t n0, uint16_t n1);
void seed(uint16_t n);
int16_t rsin(int16_t r, uint16_t th);
int16_t rcos(int16_t r, uint16_t th);
void polar(int &x, int &y, int16_t r, uint16_t th);
uint16_t atan2(int16_t y, int16_t x);
#if !defined(ESP8266) && !defined(ESP32)
void copy(const PROGMEM uint8_t *src, int count);
#else
void copy(const uint8_t *src, int count);
#endif
void copyram(byte *src, int count);
void self_calibrate(void);
void swap(void);
void flush(void);
void finish(void);
void play(uint8_t instrument, uint8_t note = 0);
void sample(uint32_t start, uint32_t len, uint16_t freq, uint16_t format, int loop = 0);
void get_inputs(void);
void get_accel(int &x, int &y, int &z);
struct {
uint16_t track_tag;
uint16_t track_val;
uint16_t rz;
uint16_t __dummy_1;
int16_t y;
int16_t x;
int16_t tag_y;
int16_t tag_x;
uint8_t tag;
uint8_t ptag;
uint8_t touching;
xy xytouch;
} inputs;
void AlphaFunc(byte func, byte ref);
void Begin(byte prim);
void BitmapHandle(byte handle);
void BitmapLayout(byte format, uint16_t linestride, uint16_t height);
void BitmapSize(byte filter, byte wrapx, byte wrapy, uint16_t width, uint16_t height);
void BitmapSource(uint32_t addr);
void BitmapTransformA(int32_t a);
void BitmapTransformB(int32_t b);
void BitmapTransformC(int32_t c);
void BitmapTransformD(int32_t d);
void BitmapTransformE(int32_t e);
void BitmapTransformF(int32_t f);
void BlendFunc(byte src, byte dst);
void Call(uint16_t dest);
void Cell(byte cell);
void ClearColorA(byte alpha);
void ClearColorRGB(byte red, byte green, byte blue);
void ClearColorRGB(uint32_t rgb);
void Clear(byte c, byte s, byte t);
void Clear(void);
void ClearStencil(byte s);
void ClearTag(byte s);
void ColorA(byte alpha);
void ColorMask(byte r, byte g, byte b, byte a);
void ColorRGB(byte red, byte green, byte blue);
void ColorRGB(uint32_t rgb);
void Display(void);
void End(void);
void Jump(uint16_t dest);
void LineWidth(uint16_t width);
void Macro(byte m);
void PointSize(uint16_t size);
void RestoreContext(void);
void Return(void);
void SaveContext(void);
void ScissorSize(uint16_t width, uint16_t height);
void ScissorXY(uint16_t x, uint16_t y);
void StencilFunc(byte func, byte ref, byte mask);
void StencilMask(byte mask);
void StencilOp(byte sfail, byte spass);
void TagMask(byte mask);
void Tag(byte s);
void Vertex2f(int16_t x, int16_t y);
void Vertex2ii(uint16_t x, uint16_t y, byte handle = 0, byte cell = 0);
void VertexFormat(byte frac);
void BitmapLayoutH(byte linestride, byte height);
void BitmapSizeH(byte width, byte height);
void PaletteSource(uint32_t addr);
void VertexTranslateX(uint32_t x);
void VertexTranslateY(uint32_t y);
void Nop(void);
// Higher-level graphics commands
void cmd_append(uint32_t ptr, uint32_t num);
void cmd_bgcolor(uint32_t c);
void cmd_button(int16_t x, int16_t y, uint16_t w, uint16_t h, byte font, uint16_t options, const char *s);
void cmd_calibrate(void);
void cmd_clock(int16_t x, int16_t y, int16_t r, uint16_t options, uint16_t h, uint16_t m, uint16_t s, uint16_t ms);
void cmd_coldstart(void);
void cmd_dial(int16_t x, int16_t y, int16_t r, uint16_t options, uint16_t val);
void cmd_dlstart(void);
void cmd_fgcolor(uint32_t c);
void cmd_gauge(int16_t x, int16_t y, int16_t r, uint16_t options, uint16_t major, uint16_t minor, uint16_t val, uint16_t range);
void cmd_getmatrix(void);
void cmd_getprops(uint32_t &ptr, uint32_t &w, uint32_t &h);
void cmd_getptr(void);
void cmd_gradcolor(uint32_t c);
void cmd_gradient(int16_t x0, int16_t y0, uint32_t rgb0, int16_t x1, int16_t y1, uint32_t rgb1);
void cmd_inflate(uint32_t ptr);
void cmd_interrupt(uint32_t ms);
void cmd_keys(int16_t x, int16_t y, int16_t w, int16_t h, byte font, uint16_t options, const char*s);
void cmd_loadidentity(void);
void cmd_loadimage(uint32_t ptr, int32_t options);
void cmd_memcpy(uint32_t dest, uint32_t src, uint32_t num);
void cmd_memset(uint32_t ptr, byte value, uint32_t num);
uint32_t cmd_memcrc(uint32_t ptr, uint32_t num);
void cmd_memwrite(uint32_t ptr, uint32_t num);
void cmd_regwrite(uint32_t ptr, uint32_t val);
void cmd_number(int16_t x, int16_t y, byte font, uint16_t options, uint32_t n);
void cmd_progress(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t options, uint16_t val, uint16_t range);
void cmd_regread(uint32_t ptr);
void cmd_rotate(int32_t a);
void cmd_scale(int32_t sx, int32_t sy);
void cmd_screensaver(void);
void cmd_scrollbar(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t options, uint16_t val, uint16_t size, uint16_t range);
void cmd_setfont(byte font, uint32_t ptr);
void cmd_setmatrix(void);
void cmd_sketch(int16_t x, int16_t y, uint16_t w, uint16_t h, uint32_t ptr, uint16_t format);
void cmd_slider(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t options, uint16_t val, uint16_t range);
void cmd_snapshot(uint32_t ptr);
void cmd_spinner(int16_t x, int16_t y, byte style, byte scale);
void cmd_stop(void);
void cmd_swap(void);
void cmd_text(int16_t x, int16_t y, byte font, uint16_t options, const char *s);
void cmd_toggle(int16_t x, int16_t y, int16_t w, byte font, uint16_t options, uint16_t state, const char *s);
void cmd_track(int16_t x, int16_t y, uint16_t w, uint16_t h, byte tag);
void cmd_translate(int32_t tx, int32_t ty);
void cmd_playvideo(int32_t options);
void cmd_romfont(uint32_t font, uint32_t romslot);
void cmd_mediafifo(uint32_t ptr, uint32_t size);
void cmd_setbase(uint32_t b);
void cmd_videoframe(uint32_t dst, uint32_t ptr);
void cmd_snapshot2(uint32_t fmt, uint32_t ptr, int16_t x, int16_t y, int16_t w, int16_t h);
void cmd_setfont2(uint32_t font, uint32_t ptr, uint32_t firstchar);
void cmd_setrotate(uint32_t r);
void cmd_videostart();
void cmd_setbitmap(uint32_t source, uint16_t fmt, uint16_t w, uint16_t h);
void cmd_sync();
byte rd(uint32_t addr);
void wr(uint32_t addr, uint8_t v);
uint16_t rd16(uint32_t addr);
void wr16(uint32_t addr, uint16_t v);
uint32_t rd32(uint32_t addr);
void wr32(uint32_t addr, uint32_t v);
void wr_n(uint32_t addr, byte *src, uint32_t n);
void cmd32(uint32_t b);
void bulkrd(uint32_t a);
void resume(void);
void __end(void);
void reset(void);
void dumpscreen(void);
byte load(const char *filename, void (*progress)(long, long) = NULL);
void safeload(const char *filename);
void alert(const char *message);
void textsize(int &w, int &h, int font, const char *s);
sdcard SD;
void storage(void);
void tune(void);
private:
static void cFFFFFF(byte v);
static void cI(uint32_t);
static void ci(int32_t);
static void cH(uint16_t);
static void ch(int16_t);
static void cs(const char *);
static void fmtcmd(const char *fmt, ...);
static void align(byte n);
void cmdbyte(uint8_t b);
uint32_t measure_freq(void);
uint32_t rseed;
};
extern GDClass GD;
extern byte ft8xx_model;
#if SDCARD
class Reader {
public:
int openfile(const char *filename) {
int i = 0;
byte dosname[11];
dirent de;
dos83(dosname, filename);
do {
GD.SD.rdn((byte*)&de, GD.SD.o_root + i * 32, sizeof(de));
// Serial.println(de.name);
if (0 == memcmp(de.name, dosname, 11)) {
begin(de);
return 1;
}
i++;
} while (de.name[0]);
return 0;
}
void begin(dirent &de) {
nseq = 0;
size = de.size;
cluster0 = de.cluster;
if (GD.SD.type == FAT32)
cluster0 |= ((long)de.cluster_hi << 16);
rewind();
}
void rewind(void) {
cluster = cluster0;
sector = 0;
offset = 0;
}
void nextcluster() {
if (GD.SD.type == FAT16)
cluster = GD.SD.rd2(GD.SD.o_fat + 2 * cluster);
else
cluster = GD.SD.rd4(GD.SD.o_fat + 4 * cluster);
#if VERBOSE
Serial.print("nextcluster=");
Serial.println(cluster, DEC);
#endif
}
void fetch512(byte *dst) {
#if defined(__DUE__) || defined(TEENSYDUINO) || defined(ESP8266) || defined(ESP32) || 1
#if defined(ARDUINO_ARCH_STM32)
SPI.read(dst, 512);
#elif defined(ESP8266) || defined(ESP32)
SPI.transferBytes(NULL, dst, 512);
#else
// for (int i = 0; i < 512; i++) *dst++ = SPI.transfer(0xff);
memset(dst, 0xff, 512); SPI.transfer(dst, 512);
#endif
SPI.transfer(0xff); // consume CRC
SPI.transfer(0xff);
#else
SPDR = 0xff;
asm volatile("nop"); while (!(SPSR & _BV(SPIF))) ;
for (int i = 0; i < 512; i++) {
while (!(SPSR & _BV(SPIF))) ;
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
*dst++ = SPDR;
SPDR = 0xff;
}
asm volatile("nop"); while (!(SPSR & _BV(SPIF))) ;
SPI.transfer(0xff);
#endif
GD.SD.desel();
}
void nextcluster2(byte *dst) {
if (nseq) {
nseq--;
cluster++;
return;
}
uint32_t off = GD.SD.o_fat + 4 * cluster;
GD.SD.cmd17(off & ~511L);
fetch512(dst);
int i = off & 511;
cluster = *(uint32_t*)&dst[i];
nseq = 0;
for (uint32_t c = cluster;
(i < 512) && *(uint32_t*)&dst[i] == c;
i += 4, c++)
nseq++;
}
void skipcluster() {
nextcluster();
offset += GD.SD.cluster_size;
}
void skipsector() {
if (sector == GD.SD.sectors_per_cluster) {
sector = 0;
nextcluster();
}
sector++;
offset += 512;
}
void seek(uint32_t o) {
union {
uint8_t buf[512];
uint32_t fat32[128];
uint16_t fat16[256];
};
uint32_t co = ~0;
if (o < offset)
rewind();
while (offset < o) {
if ((sector == GD.SD.sectors_per_cluster) && ((o - offset) > (long)GD.SD.cluster_size)) {
uint32_t o;
if (GD.SD.type == FAT16)
o = (GD.SD.o_fat + 2 * cluster) & ~511;
else
o = (GD.SD.o_fat + 4 * cluster) & ~511;
if (o != co) {
GD.SD.rdn(buf, o, 512);
co = o;
}
cluster = fat32[cluster & 127];
offset += GD.SD.cluster_size;
} else
skipsector();
}
}
void readsector(byte *dst) {
if (sector == GD.SD.sectors_per_cluster) {
sector = 0;
nextcluster2(dst);
}
REPORT(cluster);
uint32_t off = GD.SD.o_data + ((long)GD.SD.cluster_size * cluster) + (512L * sector);
REPORT(off);
GD.SD.cmd17(off & ~511L);
REPORT(off);
sector++;
offset += 512;
fetch512(dst);
}
int eof(void) {
return size <= offset;
}
uint32_t cluster, cluster0;
uint32_t offset;
uint32_t size;
byte sector;
byte nseq;
};
#endif
typedef struct {
byte handle;
uint16_t w, h;
uint16_t size;
} shape_t;
// convert integer pixels to subpixels
#define PIXELS(x) int((x) * 16)
// Convert degrees to Furmans
#define DEGREES(n) ((65536L * (n)) / 360)
#define NEVER 0
#define LESS 1
#define LEQUAL 2
#define GREATER 3
#define GEQUAL 4
#define EQUAL 5
#define NOTEQUAL 6
#define ALWAYS 7
#define ARGB1555 0
#define L1 1
#define L4 2
#define L8 3
#define RGB332 4
#define ARGB2 5
#define ARGB4 6
#define RGB565 7
#define PALETTED 8
#define TEXT8X8 9
#define TEXTVGA 10
#define BARGRAPH 11
#define L2 17
#define NEAREST 0
#define BILINEAR 1
#define BORDER 0
#define REPEAT 1
#define KEEP 1
#define REPLACE 2
#define INCR 3
#define DECR 4
#define INVERT 5
#define DLSWAP_DONE 0
#define DLSWAP_LINE 1
#define DLSWAP_FRAME 2
#define INT_SWAP 1
#define INT_TOUCH 2
#define INT_TAG 4
#define INT_SOUND 8
#define INT_PLAYBACK 16
#define INT_CMDEMPTY 32
#define INT_CMDFLAG 64
#define INT_CONVCOMPLETE 128
#define TOUCHMODE_OFF 0
#define TOUCHMODE_ONESHOT 1
#define TOUCHMODE_FRAME 2
#define TOUCHMODE_CONTINUOUS 3
#define ZERO 0
#define ONE 1
#define SRC_ALPHA 2
#define DST_ALPHA 3
#define ONE_MINUS_SRC_ALPHA 4
#define ONE_MINUS_DST_ALPHA 5
#define BITMAPS 1
#define POINTS 2
#define LINES 3
#define LINE_STRIP 4
#define EDGE_STRIP_R 5
#define EDGE_STRIP_L 6
#define EDGE_STRIP_A 7
#define EDGE_STRIP_B 8
#define RECTS 9
#define OPT_MONO 1
#define OPT_NODL 2
#define OPT_FLAT 256
#define OPT_CENTERX 512
#define OPT_CENTERY 1024
#define OPT_CENTER (OPT_CENTERX | OPT_CENTERY)
#define OPT_NOBACK 4096
#define OPT_NOTICKS 8192
#define OPT_NOHM 16384
#define OPT_NOPOINTER 16384
#define OPT_NOSECS 32768
#define OPT_NOHANDS 49152
#define OPT_RIGHTX 2048
#define OPT_SIGNED 256
#define OPT_SOUND 32
#define OPT_NOTEAR 4
#define OPT_FULLSCREEN 8
#define OPT_MEDIAFIFO 16
#define LINEAR_SAMPLES 0
#define ULAW_SAMPLES 1
#define ADPCM_SAMPLES 2
// 'instrument' argument to GD.play()
#define SILENCE 0x00
#define SQUAREWAVE 0x01
#define SINEWAVE 0x02
#define SAWTOOTH 0x03
#define TRIANGLE 0x04
#define BEEPING 0x05
#define ALARM 0x06
#define WARBLE 0x07
#define CAROUSEL 0x08
#define PIPS(n) (0x0f + (n))
#define HARP 0x40
#define XYLOPHONE 0x41
#define TUBA 0x42
#define GLOCKENSPIEL 0x43
#define ORGAN 0x44
#define TRUMPET 0x45
#define PIANO 0x46
#define CHIMES 0x47
#define MUSICBOX 0x48
#define BELL 0x49
#define CLICK 0x50
#define SWITCH 0x51
#define COWBELL 0x52
#define NOTCH 0x53
#define HIHAT 0x54
#define KICKDRUM 0x55
#define POP 0x56
#define CLACK 0x57
#define CHACK 0x58