hello_vmu.c

#include <math.h>
#include <kos.h>
#include <dc/vmu_fb.h>

KOS_INIT_FLAGS(INIT_DEFAULT | INIT_MALLOCSTATS);

/* 4x6 font from the Linux kernel:
 * https://github.com/torvalds/linux/blob/master/lib/fonts/font_mini_4x6.c
 *
 * Modified locally to pack the data better. */
static const char fontdata_4x6[] = {
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0x00, 0x00, 0x00, 0x44, 0x40, 0x40, 0xaa, 0x00,
	0x00, 0xaf, 0xfa, 0x00, 0x46, 0xec, 0x40, 0xa2,
	0x48, 0xa0, 0x69, 0x6a, 0xd0, 0x24, 0x00, 0x00,
	0x24, 0x44, 0x20, 0x42, 0x22, 0x40, 0x0e, 0xee,
	0x00, 0x04, 0xe4, 0x00, 0x00, 0x04, 0x80, 0x00,
	0xe0, 0x00, 0x00, 0x00, 0x40, 0x02, 0x48, 0x00,
	0x4a, 0xaa, 0x40, 0x4c, 0x44, 0xe0, 0xc2, 0x48,
	0xe0, 0xe2, 0x62, 0xe0, 0xaa, 0xe2, 0x20, 0xe8,
	0xe2, 0xe0, 0xe8, 0xea, 0xe0, 0xe2, 0x22, 0x20,
	0xea, 0xea, 0xe0, 0xea, 0xe2, 0x20, 0x00, 0x40,
	0x40, 0x00, 0x40, 0x48, 0x24, 0x84, 0x20, 0x0e,
	0x0e, 0x00, 0x84, 0x24, 0x80, 0xe2, 0x60, 0x40,
	0x4e, 0xe8, 0x40, 0x4a, 0xea, 0xa0, 0xca, 0xca,
	0xc0, 0x68, 0x88, 0x60, 0xca, 0xaa, 0xc0, 0xe8,
	0xe8, 0xe0, 0xe8, 0xe8, 0x80, 0x68, 0xea, 0x60,
	0xaa, 0xea, 0xa0, 0xe4, 0x44, 0xe0, 0x22, 0x2a,
	0x40, 0xaa, 0xca, 0xa0, 0x88, 0x88, 0xe0, 0xae,
	0xea, 0xa0, 0xae, 0xee, 0xa0, 0x4a, 0xaa, 0x40,
	0xca, 0xc8, 0x80, 0x4a, 0xae, 0x60, 0xca, 0xec,
	0xa0, 0x68, 0x42, 0xc0, 0xe4, 0x44, 0x40, 0xaa,
	0xaa, 0x60, 0xaa, 0xa4, 0x40, 0xaa, 0xee, 0xa0,
	0xaa, 0x4a, 0xa0, 0xaa, 0x44, 0x40, 0xe2, 0x48,
	0xe0, 0x64, 0x44, 0x60, 0x08, 0x42, 0x00, 0x62,
	0x22, 0x60, 0x4a, 0x00, 0x00, 0x00, 0x00, 0x0f,
	0x84, 0x00, 0x00, 0x00, 0x6a, 0xe0, 0x88, 0xca,
	0xc0, 0x00, 0x68, 0x60, 0x22, 0x6a, 0x60, 0x0e,
	0xe8, 0x60, 0x24, 0xe4, 0x40, 0x06, 0xa6, 0xe0,
	0x88, 0xca, 0xa0, 0x40, 0x44, 0x40, 0x40, 0x44,
	0x80, 0x08, 0xac, 0xa0, 0x0c, 0x44, 0xe0, 0x00,
	0xee, 0xa0, 0x00, 0xca, 0xa0, 0x04, 0xaa, 0x40,
	0x00, 0xca, 0xc8, 0x00, 0x6a, 0x62, 0x0c, 0xa8,
	0x80, 0x06, 0xc2, 0xc0, 0x04, 0xe4, 0x40, 0x00,
	0xaa, 0x60, 0x00, 0xae, 0x40, 0x00, 0xae, 0xe0,
	0x00, 0xa4, 0xa0, 0x00, 0xae, 0x2c, 0x0e, 0x6c,
	0xe0, 0x24, 0xc4, 0x20, 0x44, 0x44, 0x40, 0x84,
	0x64, 0x80, 0x5a, 0x00, 0x00, 0x4a, 0xae, 0x00,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0x06, 0xc6, 0x00, 0x0c, 0x6c, 0x00,
	0x82, 0x82, 0x82, 0xa5, 0xa5, 0xa5, 0xdb, 0xdb,
	0xdb, 0x44, 0x44, 0x44, 0x44, 0xc4, 0x44, 0x44,
	0xcc, 0x44, 0x66, 0xe6, 0x66, 0x00, 0xe6, 0x66,
	0x00, 0xcc, 0x44, 0x66, 0xee, 0x66, 0x66, 0x66,
	0x66, 0x00, 0xee, 0x66, 0x66, 0xee, 0x00, 0x66,
	0xe0, 0x00, 0x44, 0xcc, 0x00, 0x00, 0xc4, 0x44,
	0x44, 0x70, 0x00, 0x44, 0xf0, 0x00, 0x00, 0xf4,
	0x44, 0x44, 0x74, 0x44, 0x00, 0xf0, 0x00, 0x44,
	0xf4, 0x44, 0x44, 0x77, 0x44, 0x66, 0x76, 0x66,
	0x66, 0x77, 0x00, 0x00, 0x77, 0x66, 0x66, 0xff,
	0x00, 0x00, 0xff, 0x66, 0x66, 0x77, 0x66, 0x00,
	0xff, 0x00, 0x66, 0xff, 0x66, 0x44, 0xff, 0x00,
	0x66, 0xf0, 0x00, 0x00, 0xff, 0x44, 0x00, 0xf6,
	0x66, 0x66, 0x70, 0x00, 0x44, 0x77, 0x00, 0x00,
	0x77, 0x44, 0x00, 0x76, 0x66, 0x66, 0xf6, 0x66,
	0x44, 0xff, 0x44, 0x44, 0xc0, 0x00, 0x00, 0x74,
	0x44, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xff, 0xcc,
	0xcc, 0xcc, 0x33, 0x33, 0x33, 0xff, 0xf0, 0x00,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0,
	0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee,
	0xe0, 0xee, 0xee, 0xe0, 0xee, 0xee, 0xe0, 0xee,
	0xee, 0xe0, 0x00, 0x66, 0x00, 0xee, 0xee, 0xe0,
};

static const vmufb_font_t vmufb_font4x6 = {
	.w = 4,
	.h = 6,
	.stride = 3,
	.fontdata = fontdata_4x6,
};

static const char smiley[] = {
	0b00111100,
	0b01000010,
	0b10100101,
	0b10000001,
	0b10100101,
	0b10011001,
	0b01000010,
	0b00111100,
};

static vmufb_t vmufb;

static const char message[] = "        Hello World!        ";

/* Your program's main entry point */
int main(int argc, char **argv)
{
	unsigned int x, y, i, vmu;
	maple_device_t *dev;
	float val;

	for (i = 0; ; i++) {
		vmufb_clear(&vmufb);

		val = (float)i * M_PI / 360.0f;
		x = 20 + (int)(20.0f * cosf(val));
		y = 12 + (int)(12.0f * sinf(val));

		vmufb_paint_area(&vmufb, x, y, 8, 8, smiley);

		vmufb_print_string_into(&vmufb, &vmufb_font4x6,
					12, 12, 24, 6, 0,
					&message[(i / 16) % sizeof(message)]);


		for (vmu = 0;
		     !!(dev = maple_enum_type(vmu, MAPLE_FUNC_LCD));
		     vmu++) {
			vmufb_present(&vmufb, dev);
		}
	}

	return 0;
}