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new graphics

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This commit is contained in:
Alessandro Mauri 2026-05-12 23:40:22 +02:00
parent 944133bd45
commit e45617d6b2
3 changed files with 108 additions and 2 deletions
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95
fw/display.c
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@ -254,3 +254,98 @@ static char str_buf[32];
uint8_t str_len;
int buf_putc(char c) { str_buf[str_len++] = c; return 0; }
const char* buf_get(void) { str_buf[str_len] = '\0'; str_len = 0; return str_buf; }
// 7 segment display segments
static const uint8_t seg_left_xbm[] = {0x01,0x03,0x03,0x03,0x03,0x01};
static const uint8_t seg_right_xbm[] = {0x02,0x03,0x03,0x03,0x03,0x02};
static const uint8_t seg_top_xbm[] = {0x3f,0x1e};
static const uint8_t seg_bot_xbm[] = {0x1e,0x3f};
static const uint8_t seg_center_xbm[] = {0x1e,0x3f,0x1e};
static void draw_7seg(u8g2_t *u8g2, uint8_t x, uint8_t y, uint8_t n)
{
switch (n) {
case 0:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+0, y+1, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+0, y+8, 2, 6, seg_left_xbm);
break;
case 1:
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
break;
case 2:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+0, y+8, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
case 3:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
case 4:
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+0, y+1, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
case 5:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+0, y+1, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
case 6:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+0, y+1, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+0, y+8, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
case 7:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
break;
case 8:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+0, y+1, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+0, y+8, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
case 9:
u8g2_DrawXBM(u8g2, x+1, y+0, 6, 2, seg_top_xbm);
u8g2_DrawXBM(u8g2, x+6, y+1, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+6, y+8, 2, 6, seg_right_xbm);
u8g2_DrawXBM(u8g2, x+1, y+13, 6, 2, seg_bot_xbm);
u8g2_DrawXBM(u8g2, x+0, y+1, 2, 6, seg_left_xbm);
u8g2_DrawXBM(u8g2, x+1, y+6, 6, 3, seg_center_xbm);
break;
default:
break;
}
}
void draw_temp(u8g2_t *u8g2, uint8_t x, uint8_t y, int16_t temp)
{
if (temp > 999 || temp < 0) temp = 0;
const char *s = u8x8_u16toa(temp, 3);
draw_7seg(u8g2, x+0, y+0, s[0]-'0');
draw_7seg(u8g2, x+9, y+0, s[1]-'0');
draw_7seg(u8g2, x+18, y+0, s[2]-'0');
}