iarv/LoraSA
1
0
Fork 0
mirror of https://github.com/Genaker/LoraSA.git synced 2026-03-28 17:42:59 +01:00
Code Issues Packages Projects Releases Wiki Activity

Set the bandwidth using a button press before spectrum scan starts

Browse Source
This commit is contained in:
KonradIT
2024-12-18 02:04:12 +01:00
parent 65f5760cc9
commit 9a038cccc1
1 changed files with 63 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
tft_src/main.cpp
View File

@@ -101,7 +101,10 @@ constexpr bool DRAW_DETECTION_TICKS = true;
#define FREQ_BEGIN 150
#define FREQ_END 950
#define BANDWIDTH 467.0
float bandwidth = BANDWIDTH;
#define MHZ_PX (float)((float)(FREQ_END - FREQ_BEGIN) / DISPLAY_WIDTH)
#define DEFAULT_DRONE_DETECTION_LEVEL -90
#define DRONE_LEGEND 1;
@@ -226,7 +229,7 @@ void init_radio()
// configure scan bandwidth and disable the data shaping
Serial.println("Setting up radio");
RADIOLIB_OR_HALT(radio.setRxBandwidth(BANDWIDTH));
RADIOLIB_OR_HALT(radio.setRxBandwidth(bandwidth));
// and disable the data shaping
RADIOLIB_OR_HALT(radio.setDataShaping(RADIOLIB_SHAPING_NONE));
@@ -842,6 +845,40 @@ void loop()
Config config;
#endif
void downgradeBandwidth()
{
// Downgrade Bandwidth for SX1262 chip (inside T190)
// list of possible bandwidths:
// 4.8, 5.8, 7.3, 9.7, 11.7, 14.6, 19.5, 23.4, 29.3, 39.0, 46.9, 58.6,
// 78.2, 93.8, 117.3, 156.2, 187.2, 234.3, 312.0, 373.6 and 467.0
// Choose between:
switch (int(bandwidth))
{
case 467:
bandwidth = 234.3;
break;
case 234:
bandwidth = 156.2;
break;
case 156:
bandwidth = 78.2;
break;
case 78:
bandwidth = 14.6;
break;
case 14:
bandwidth = 4.8;
break;
case 4:
// do nothing at lowest bandwidth
break;
default:
bandwidth = 467.0;
break;
}
}
void setup()
{
uint32_t *f = new uint32_t[10000];
@@ -890,6 +927,31 @@ void setup()
st7789->fillScreen(ST7789_BLACK);
st7789->drawXBitmap(100, 50, epd_bitmap_ucog, 128, 64, ST7789_WHITE);
st7789->fillScreen(ST7789_BLACK);
// Setup variables like Bandwidth:
drawText(10, 10, "Setup T190", ST7789_WHITE);
st7789->drawLine(10, 30, DISPLAY_WIDTH, 30, ST7789_CYAN);
drawText(10, 40, "BW: " + String(bandwidth), ST7789_GREEN);
for (int i = 0; i < 800; i++)
{
button.update();
delay(5);
if (i % 25 == 0)
{ // Print a dot every 25 iterations
drawText(10 + (i / 25) * 6, 20, "|"); // Move 6 pixels right for each dot
}
if (button.pressed())
{
downgradeBandwidth();
st7789->fillScreen(ST7789_BLACK);
drawText(10, 40, "BW: " + String(bandwidth), ST7789_GREEN);
}
}
// End of setup, before init_radio()...
init_radio();
state = radio.startReceive(RADIOLIB_SX126X_RX_TIMEOUT_NONE);
if (state != RADIOLIB_ERR_NONE)