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#45 piotr022 style S-meter

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This commit is contained in:
Krzysiek Egzmont 2023-10-25 14:26:46 +02:00
parent 9a64a18010
commit 38b1e5cbaa
1 changed files with 35 additions and 35 deletions
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70
ui/main.c
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@ -118,30 +118,31 @@ void UI_DisplayAudioBar(void)
#if defined(ENABLE_RSSI_BAR)
void UI_DisplayRSSIBar(const int16_t rssi, const bool now)
{
// const int16_t s0_dBm = -127; // S0 .. base level
const int16_t s0_dBm = -147; // S0 .. base level
const int16_t s9_dBm = s0_dBm + (6 * 9); // S9 .. 6dB/S-Point
const int16_t bar_max_dBm = s9_dBm + 30; // S9+30dB
// const int16_t bar_min_dBm = s0_dBm + (6 * 0); // S0
const int16_t bar_min_dBm = s0_dBm + (6 * 4); // S4
// ************
const unsigned int txt_width = 7 * 8; // 8 text chars
const unsigned int bar_x = 2 + txt_width + 4; // X coord of bar graph
const unsigned int bar_width = LCD_WIDTH - 1 - bar_x;
const int16_t rssi_dBm = (rssi / 2) - 160;
const int16_t clamped_dBm = (rssi_dBm <= bar_min_dBm) ? bar_min_dBm : (rssi_dBm >= bar_max_dBm) ? bar_max_dBm : rssi_dBm;
const unsigned int bar_range_dB = bar_max_dBm - bar_min_dBm;
const unsigned int len = ((clamped_dBm - bar_min_dBm) * bar_width) / bar_range_dB;
const unsigned int line = 3;
uint8_t *p_line = gFrameBuffer[line];
char str[16];
char s[16];
unsigned int i;
const char plus[] = {
0b00011000,
0b00011000,
0b01111110,
0b01111110,
0b01111110,
0b00011000,
0b00011000,
};
const char hollowBar[] = {
0b01111111,
0b01000001,
0b01000001,
0b01111111
};
if (gEeprom.KEY_LOCK && gKeypadLocked > 0)
return; // display is in use
@ -154,28 +155,27 @@ void UI_DisplayRSSIBar(const int16_t rssi, const bool now)
if (now)
memset(p_line, 0, LCD_WIDTH);
if (rssi_dBm >= (s9_dBm + 6))
{ // S9+XXdB, 1dB increment
const char *fmt[] = {"%3d 9+%u ", "%3d 9+%2u "};
const unsigned int s9_dB = ((rssi_dBm - s9_dBm) <= 99) ? rssi_dBm - s9_dBm : 99;
sprintf(s, (s9_dB < 10) ? fmt[0] : fmt[1], rssi_dBm, s9_dB);
const uint8_t s_level = MIN(MAX((rssi_dBm - s0_dBm) / 6, 0), 9);
uint8_t overS9Bars = MAX(0, 73 + rssi_dBm)/10;
if(overS9Bars == 0) {
sprintf(str, "% 4d S%d", rssi_dBm, s_level);
}
else
{ // S0 ~ S9, 6dB per S-point
const unsigned int s_level = (rssi_dBm >= s0_dBm) ? (rssi_dBm - s0_dBm) / 6 : 0;
sprintf(s, "%4d S%u ", rssi_dBm, s_level);
else {
sprintf(str, "% 4d %d0", rssi_dBm, overS9Bars);
memcpy(p_line + 2 + 7*5, &plus, ARRAY_SIZE(plus));
}
UI_PrintStringSmall(s, 2, 0, line);
#if 1
// solid bar
for (i = 0; i < bar_width; i++)
p_line[bar_x + i] = (i > len) ? ((i & 1) == 0) ? 0x41 : 0x00 : ((i & 1) == 0) ? 0x7f : 0x3e;
#else
// knuled bar
for (i = 0; i < bar_width; i += 2)
p_line[bar_x + i] = (i <= len) ? 0x7f : 0x41;
#endif
UI_PrintStringSmall(str, 2, 0, line);
for(uint8_t i = 0; i < s_level; i++) { // S bars
for(uint8_t j = 0; j < 4; j++)
p_line[bar_x + i * 5 + j] = (~(0x7F >> (i+1))) & 0x7F;
}
overS9Bars = MIN(overS9Bars, 4);
for(uint8_t i = 0; i < overS9Bars; i++) { // +10 hollow bars
memcpy(p_line + (bar_x + (i + 9) * 5), &hollowBar, ARRAY_SIZE(hollowBar));
}
if (now)
ST7565_BlitFullScreen();