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/*
u8x8_d_sdl_128x64.c
*/
#include "u8g2.h"
#ifndef NO_SDL
#include "SDL.h"
#endif
#include <assert.h>
//#define HEIGHT (64)
//#define WIDTH 128
#define W(x,w) (((x)*(w))/100)
#ifndef NO_SDL
SDL_Window *u8g_sdl_window;
SDL_Surface *u8g_sdl_screen;
#endif
int u8g_sdl_multiple = 3;
uint32_t u8g_sdl_color[256];
int u8g_sdl_height, u8g_sdl_width;
static void u8g_sdl_set_pixel(int x, int y, int idx)
{
uint32_t *ptr;
uint32_t offset;
int i, j;
if ( y >= u8g_sdl_height )
return;
if ( y < 0 )
return;
if ( x >= u8g_sdl_width )
return;
if ( x < 0 )
return;
for( i = 0; i < u8g_sdl_multiple; i++ )
for( j = 0; j < u8g_sdl_multiple; j++ )
{
#ifndef NO_SDL
offset = (
((y * u8g_sdl_multiple) + i) * (u8g_sdl_width * u8g_sdl_multiple) +
((x * u8g_sdl_multiple) + j)) * u8g_sdl_screen->format->BytesPerPixel;
assert( offset < (Uint32)(u8g_sdl_width * u8g_sdl_multiple * u8g_sdl_height * u8g_sdl_multiple * u8g_sdl_screen->format->BytesPerPixel) );
ptr = u8g_sdl_screen->pixels + offset;
*ptr = u8g_sdl_color[idx];
#endif
}
}
static void u8g_sdl_set_8pixel(int x, int y, uint8_t pixel)
{
int cnt = 8;
int bg = 0;
if ( (x/8 + y/8) & 1 )
bg = 4;
while( cnt > 0 )
{
if ( (pixel & 1) == 0 )
{
u8g_sdl_set_pixel(x,y,bg);
}
else
{
u8g_sdl_set_pixel(x,y,3);
}
pixel >>= 1;
y++;
cnt--;
}
}
static void u8g_sdl_set_multiple_8pixel(int x, int y, int cnt, uint8_t *pixel)
{
uint8_t b;
while( cnt > 0 )
{
b = *pixel;
u8g_sdl_set_8pixel(x, y, b);
x++;
pixel++;
cnt--;
}
}
static void u8g_sdl_init(int width, int height)
{
u8g_sdl_height = height;
u8g_sdl_width = width;
#ifndef NO_SDL
if (SDL_Init(SDL_INIT_VIDEO) != 0)
{
printf("Unable to initialize SDL: %s\n", SDL_GetError());
exit(1);
}
u8g_sdl_window = SDL_CreateWindow("U8g2", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, u8g_sdl_width * u8g_sdl_multiple, u8g_sdl_height * u8g_sdl_multiple, 0);
if ( u8g_sdl_window == NULL )
{
printf("Couldn't create window: %s\n", SDL_GetError());
exit(1);
}
u8g_sdl_screen = SDL_GetWindowSurface(u8g_sdl_window);
if ( u8g_sdl_screen == NULL )
{
printf("Couldn't create screen: %s\n", SDL_GetError());
exit(1);
}
printf("%d bits-per-pixel mode\n", u8g_sdl_screen->format->BitsPerPixel);
printf("%d bytes-per-pixel mode\n", u8g_sdl_screen->format->BytesPerPixel);
u8g_sdl_color[0] = SDL_MapRGB( u8g_sdl_screen->format, 0, 0, 0 );
u8g_sdl_color[1] = SDL_MapRGB( u8g_sdl_screen->format, W(100, 50), W(255,50), 0 );
u8g_sdl_color[2] = SDL_MapRGB( u8g_sdl_screen->format, W(100, 80), W(255,80), 0 );
u8g_sdl_color[3] = SDL_MapRGB( u8g_sdl_screen->format, 100, 255, 0 );
u8g_sdl_color[4] = SDL_MapRGB( u8g_sdl_screen->format, 30, 30, 30 );
/*
u8g_sdl_set_pixel(0,0);
u8g_sdl_set_pixel(1,1);
u8g_sdl_set_pixel(2,2);
*/
/* update all */
SDL_UpdateWindowSurface(u8g_sdl_window);
atexit(SDL_Quit);
#endif
return;
}
/*
void main(void)
{
u8g_sdl_init();
u8g_sdl_set_pixel(0,0,3);
u8g_sdl_set_pixel(0,1,3);
u8g_sdl_set_pixel(0,2,3);
u8g_sdl_set_pixel(1,1,3);
u8g_sdl_set_pixel(2,2,3);
while( u8g_sdl_get_key() < 0 )
;
}
*/
static const u8x8_display_info_t u8x8_sdl_128x64_info =
{
/* chip_enable_level = */ 0,
/* chip_disable_level = */ 1,
/* post_chip_enable_wait_ns = */ 0,
/* pre_chip_disable_wait_ns = */ 0,
/* reset_pulse_width_ms = */ 0,
/* post_reset_wait_ms = */ 0,
/* sda_setup_time_ns = */ 0,
/* sck_pulse_width_ns = */ 0,
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
/* spi_mode = */ 1,
/* i2c_bus_clock_100kHz = */ 0,
/* data_setup_time_ns = */ 0,
/* write_pulse_width_ns = */ 0,
/* tile_width = */ 16,
/* tile_hight = */ 8,
/* default_x_offset = */ 0,
/* flipmode_x_offset = */ 0,
/* pixel_width = */ 128,
/* pixel_height = */ 64
};
static const u8x8_display_info_t u8x8_sdl_240x160_info =
{
/* chip_enable_level = */ 0,
/* chip_disable_level = */ 1,
/* post_chip_enable_wait_ns = */ 0,
/* pre_chip_disable_wait_ns = */ 0,
/* reset_pulse_width_ms = */ 0,
/* post_reset_wait_ms = */ 0,
/* sda_setup_time_ns = */ 0,
/* sck_pulse_width_ns = */ 0,
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
/* spi_mode = */ 1,
/* i2c_bus_clock_100kHz = */ 0,
/* data_setup_time_ns = */ 0,
/* write_pulse_width_ns = */ 0,
/* tile_width = */ 30, /* width of 30*8=240 pixel */
/* tile_hight = */ 20, /* height: 160 pixel */
/* default_x_offset = */ 0,
/* flipmode_x_offset = */ 0,
/* pixel_width = */ 240,
/* pixel_height = */ 160
};
static uint8_t u8x8_d_sdl_gpio(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
static int debounce_cnt = 0;
static int curr_msg = 0;
static int db_cnt = 10;
int event;
if ( curr_msg > 0 )
{
if ( msg == curr_msg )
{
u8x8_SetGPIOResult(u8x8, 0);
if ( debounce_cnt == 0 )
curr_msg = 0;
else
debounce_cnt--;
return 1;
}
}
else
{
event = u8g_sdl_get_key();
switch(event)
{
case 273:
curr_msg = U8X8_MSG_GPIO_MENU_UP;
debounce_cnt = db_cnt;
break;
case 274:
curr_msg = U8X8_MSG_GPIO_MENU_DOWN;
debounce_cnt = db_cnt;
break;
case 275:
curr_msg = U8X8_MSG_GPIO_MENU_NEXT;
debounce_cnt = db_cnt;
break;
case 276:
curr_msg = U8X8_MSG_GPIO_MENU_PREV;
debounce_cnt = db_cnt;
break;
case 's':
curr_msg = U8X8_MSG_GPIO_MENU_SELECT;
debounce_cnt = db_cnt;
break;
case 'q':
curr_msg = U8X8_MSG_GPIO_MENU_HOME;
debounce_cnt = db_cnt;
break;
}
}
u8x8_SetGPIOResult(u8x8, 1);
return 1;
}
uint8_t u8x8_d_sdl_128x64(u8x8_t *u8g2, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, y, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8g2, &u8x8_sdl_128x64_info);
u8g_sdl_init(128, 64);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8g2);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
break;
case U8X8_MSG_DISPLAY_SET_CONTRAST:
break;
case U8X8_MSG_DISPLAY_DRAW_TILE:
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8g2->x_offset;
y = ((u8x8_tile_t *)arg_ptr)->y_pos;
y *= 8;
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
u8g_sdl_set_multiple_8pixel(x, y, c*8, ptr);
arg_int--;
x+=c*8;
} while( arg_int > 0 );
/* update all */
#ifndef NO_SDL
SDL_UpdateWindowSurface(u8g_sdl_window);
#endif
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_d_sdl_240x160(u8x8_t *u8g2, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, y, c;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8g2, &u8x8_sdl_240x160_info);
u8g_sdl_init(240, 160);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8g2);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
break;
case U8X8_MSG_DISPLAY_SET_CONTRAST:
break;
case U8X8_MSG_DISPLAY_DRAW_TILE:
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8g2->x_offset;
y = ((u8x8_tile_t *)arg_ptr)->y_pos;
y *= 8;
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
u8g_sdl_set_multiple_8pixel(x, y, c*8, ptr);
arg_int--;
} while( arg_int > 0 );
#ifndef NO_SDL
/* update all */
SDL_UpdateWindowSurface(u8g_sdl_window);
#endif
break;
default:
return 0;
}
return 1;
}
void u8x8_Setup_SDL_128x64(u8x8_t *u8x8)
{
/* setup defaults */
u8x8_SetupDefaults(u8x8);
/* setup specific callbacks */
u8x8->display_cb = u8x8_d_sdl_128x64;
u8x8->gpio_and_delay_cb = u8x8_d_sdl_gpio;
/* setup display info */
u8x8_SetupMemory(u8x8);
}
void u8g2_SetupBuffer_SDL_128x64(u8g2_t *u8g2, const u8g2_cb_t *u8g2_cb)
{
static uint8_t buf[128*8];
u8x8_Setup_SDL_128x64(u8g2_GetU8x8(u8g2));
u8g2_SetupBuffer(u8g2, buf, 8, u8g2_ll_hvline_vertical_top_lsb, u8g2_cb);
}
void u8g2_SetupBuffer_SDL_128x64_4(u8g2_t *u8g2, const u8g2_cb_t *u8g2_cb)
{
static uint8_t buf[128*3];
u8x8_Setup_SDL_128x64(u8g2_GetU8x8(u8g2));
u8g2_SetupBuffer(u8g2, buf, 3, u8g2_ll_hvline_vertical_top_lsb, u8g2_cb);
}
void u8g2_SetupBuffer_SDL_128x64_1(u8g2_t *u8g2, const u8g2_cb_t *u8g2_cb)
{
static uint8_t buf[128];
u8x8_Setup_SDL_128x64(u8g2_GetU8x8(u8g2));
u8g2_SetupBuffer(u8g2, buf, 1, u8g2_ll_hvline_vertical_top_lsb, u8g2_cb);
}
void u8x8_Setup_SDL_240x160(u8x8_t *u8x8)
{
/* setup defaults */
u8x8_SetupDefaults(u8x8);
/* setup specific callbacks */
u8x8->display_cb = u8x8_d_sdl_240x160;
u8x8->gpio_and_delay_cb = u8x8_d_sdl_gpio;
/* setup display info */
u8x8_SetupMemory(u8x8);
}
void u8g2_SetupBuffer_SDL_240x160(u8g2_t *u8g2, const u8g2_cb_t *u8g2_cb)
{
static uint8_t buf[240*20];
u8x8_Setup_SDL_240x160(u8g2_GetU8x8(u8g2));
u8g2_SetupBuffer(u8g2, buf, 20, u8g2_ll_hvline_vertical_top_lsb, u8g2_cb);
}