u8g2-copy/sys/sdl/temp_control/main.c

123 lines
2.5 KiB
C

#include "u8g2.h"
#include <stdio.h>
#include <string.h>
char str1[100];
char str2[100];
u8g2_t u8g2;
void drawBigNum(u8g2_t *u, uint16_t x, uint16_t y, const char *heading, uint16_t n, uint16_t fraction, uint16_t is_temp)
{
uint16_t e;
uint16_t xx;
u8g2_SetFont(u, u8g2_font_spleen8x16_mr);
u8g2_DrawUTF8(u, x+4, y-46, heading);
u8g2_SetFont(u, u8g2_font_spleen32x64_mn);
e = n / 10;
if ( e > 0 )
{
u8g2_DrawGlyph(u, x, y, e+'0');
}
x += 30;
e = n - e*10;
u8g2_DrawGlyph(u, x, y, e+'0');
u8g2_SetFont(u, u8g2_font_spleen12x24_mf);
x += 30;
xx = x;
x += u8g2_DrawGlyph(u, x, y, '.');
x += u8g2_DrawGlyph(u, x, y, fraction+'0');
if ( is_temp )
{
x += u8g2_DrawUTF8(u, xx, y-25, "°C");
}
else
{
u8g2_SetFont(u, u8g2_font_spleen16x32_mr);
x += u8g2_DrawUTF8(u, xx+8, y-20, "%");
}
}
void draw(u8g2_t *u)
{
u8g2_SetFontMode(u, 1);
u8g2_DrawLine(u, 0, 63, 255, 63);
u8g2_DrawLine(u, 127, 0, 127, 127);
u8g2_DrawLine(u, 127+64, 64, 127+64, 127);
drawBigNum(u, 20, 59, "Temp", 83, 4, 1);
drawBigNum(u, 10+128+10, 59, "Humidity", 99, 9, 0);
drawBigNum(u, 20, 59+64, "Set", 85, 0, 1);
u8g2_SetFont(u, u8g2_font_streamline_coding_apps_websites_t);
u8g2_DrawGlyph(u, 150, 105, 58);
u8g2_SetFont(u, u8g2_font_streamline_interface_essential_login_t);
u8g2_DrawGlyph(u, 214, 105, 48);
}
int main(void)
{
int x, y;
int k;
int offset = 100;
u8g2_SetupBuffer_SDL_256x128(&u8g2, &u8g2_cb_r0);
u8x8_InitDisplay(u8g2_GetU8x8(&u8g2));
u8x8_SetPowerSave(u8g2_GetU8x8(&u8g2), 0);
u8g2_SetFont(&u8g2, u8g2_font_wqy16_t_gb2312);
x = 4; // use as height for the box
y = 0;
for(;;)
{
printf("offset=%d\n", offset);
u8g2_FirstPage(&u8g2);
do
{
//u8g2_DrawUTF8(&u8g2, offset,30,"123456789QWERTYUIOPASDFGHJKLZXCVBNM123456789QWERTYUIOPASDFGHJKLZXCVBNM");
//u8g2_DrawUTF8X2(&u8g2, offset,60,"123456789QWERTYUIOPASDFGHJKLZXCVBNM123456789QWERTYUIOPASDFGHJKLZXCVBNM");
//u8g2_DrawHLine(&u8g2, 0, 64, 64);
draw(&u8g2);
} while( u8g2_NextPage(&u8g2) );
do
{
k = u8g_sdl_get_key();
} while( k < 0 );
if ( k == 273 ) y -= 1;
if ( k == 274 ) y += 1;
if ( k == 276 ) x -= 1;
if ( k == 275 ) x += 1;
if ( k == 'e' ) y -= 1;
if ( k == 'x' ) y += 1;
if ( k == 's' ) x -= 1;
if ( k == 'd' ) x += 1;
if ( k == 'q' ) break;
if ( k == 32 )
offset -= 1;
if ( x < 0 )
x = 0;
}
return 0;
}