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add e-ink waterfall

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This commit is contained in:
Egor Shitikov
2024-09-12 22:25:55 -07:00
parent 122166a284
commit 87938c3ad1
1 changed files with 77 additions and 11 deletions
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eink_src/main.cpp
+77 -11
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@@ -23,6 +23,7 @@
#define DISPLAY_WIDTH 296
#define DISPLAY_HEIGHT 128
// Without this line Lora Radio doesn't work with heltec lib
#define BUTTON 21
#define ARDUINO_heltec_wifi_32_lora_V3
#include "heltec_unofficial.h"
@@ -250,18 +251,21 @@ void VextOFF(void) // Vext default OFF
constexpr int lower_level = 108;
constexpr int up_level = 40;
constexpr int start_pixel = 80;
int rssiToPix(int rssi)
{
// Bigger is lower signal
if (abs(rssi) >= lower_level)
{
return lower_level - 1;
return start_pixel - 1;
}
if (abs(rssi) <= up_level)
{
return up_level;
return start_pixel - up_level;
}
return abs(rssi);
return start_pixel - (lower_level - abs(rssi));
}
long timeSinceLastModeSwitch = 0;
@@ -287,10 +291,42 @@ long display_scan_start = 0;
long display_scan_end = 0;
long display_scan_i_end = 0;
int scan_iterations = 0;
bool waterfall_values[DISPLAY_HEIGHT][DISPLAY_WIDTH] = {false};
constexpr unsigned int SCANS_PER_DISPLAY = 5;
constexpr unsigned int STATUS_BAR_HEIGHT = 5;
void button_logic(void)
{
heltec_loop();
button_pressed_counter = 0;
if (button.pressed())
{
drone_detection_level++;
if (drone_detection_level > 107)
drone_detection_level = DEFAULT_DRONE_DETECTION_LEVEL - 20;
while (button.pressedNow())
{
delay(100);
display.display();
button_pressed_counter++;
// button.update();
if (button_pressed_counter > 18)
{
// Some sign there
}
}
}
if (button_pressed_counter < 9 && button_pressed_counter > 5)
{
display.clear();
display.display();
heltec_deep_sleep();
}
}
void loop()
{
if (screen_update_loop_counter == 0)
@@ -307,7 +343,6 @@ void loop()
int u = 0;
for (int i = 0; i < SAMPLES_RSSI; i++)
{
radio.setFrequency((float)fr + (float)(rssi_mhz_step * u),
false); // false = no calibration need here
u++;
@@ -319,10 +354,14 @@ void loop()
rssi2 = radio.getRSSI(false);
scan_iterations++;
if (rssi2 > lower_level)
{
max_scan_rssi[x1] = rssi2;
continue;
}
#ifdef PRINT_DEBUG
Serial.println(String(fr) + ":" + String(rssi2));
#endif
button_logic();
// display.drawString(x1, (int)y2, String(fr) + ":" + String(rssi2));
display.setPixel(x1, rssiToPix(rssi2));
@@ -332,6 +371,16 @@ void loop()
}
}
// Waterfall per scan not per screen
if (abs(max_scan_rssi[x1]) <= drone_detection_level)
{
waterfall_values[w][x1] = true;
}
else
{
waterfall_values[w][x1] = false;
}
// drone detection level line
if (x1 % 2 == 0)
{
@@ -343,9 +392,15 @@ void loop()
{
display_scan_i_end = millis();
}
button_logic();
// Main N x-axis full loop end logic
if (x1 >= STEPS)
{
w++;
if (w >= DISPLAY_HEIGHT - start_pixel - 13)
{
w = 0;
}
if (screen_update_loop_counter == SCANS_PER_DISPLAY)
{
// max Mhz and dB in window
@@ -372,14 +427,23 @@ void loop()
display.drawString(i - rssi_window_size + 5, y2 + 10,
String(window_max_fr));
// Vertical lines between windows
for (int l = y2; l < 100; l += 4)
for (int l = y2; l < start_pixel; l += 4)
{
display.setPixel(i, l);
}
}
window_max_rssi = -999;
}
// Draw Waterfall
for (int y = 0; y < DISPLAY_HEIGHT; y++)
if (waterfall_values[y][i] == true)
{
display.setPixel(i, start_pixel + 5 + y);
}
}
// Draw Waterfall cursor
display.drawHorizontalLine(0, start_pixel + 5 + w, DISPLAY_WIDTH);
display_scan_end = millis();
@@ -396,6 +460,7 @@ void loop()
esp_restart();
}
// ToDo: it doesn't work
battery();
// iteration full scan / samples pixel step / numbers of scan per display
display.drawString(DISPLAY_WIDTH - ((DISPLAY_WIDTH / 6) * 2) - 5, 0,
@@ -409,21 +474,21 @@ void loop()
"s:" + String(mhz_step));
// Draw a line horizontally
display.drawHorizontalLine(0, lower_level + 1, DISPLAY_WIDTH);
display.drawHorizontalLine(0, 1 + start_pixel, DISPLAY_WIDTH);
// Generate Ticks
for (int x = 0; x < DISPLAY_WIDTH; x++)
{
if (x % (DISPLAY_WIDTH / 2) == 0 && x > 5)
{
display.drawVerticalLine(x, lower_level + 1, 11);
display.drawVerticalLine(x, 1 + start_pixel, 11);
// central tick width
// display.drawVerticalLine(x - 1, lower_level + 1, 8);
// display.drawVerticalLine(x + 1, lower_level + 1, 8);
}
if (x % 10 == 0 || x == 0)
display.drawVerticalLine(x, lower_level + 1, 6);
display.drawVerticalLine(x, 1 + start_pixel, 6);
if (x % 5 == 0)
display.drawVerticalLine(x, lower_level + 1, 3);
display.drawVerticalLine(x, 1 + start_pixel, 3);
}
display.setFont(ArialMT_Plain_10);
@@ -441,13 +506,14 @@ void loop()
String(FREQ_BEGIN + (((int)fr - FREQ_BEGIN) -
((int)fr - FREQ_BEGIN) / 4)));
// End Mhz
display.drawString(DISPLAY_WIDTH - 24, DISPLAY_HEIGHT - 10, String((int)fr));
display.drawString(DISPLAY_WIDTH - 20, DISPLAY_HEIGHT - 10, String((int)fr));
display.display();
// display will be cleared next scan iteration. it is just buffer clear
// memset(buffer, 0, displayBufferSize);
display.clear();
screen_update_loop_counter = 0;
scan_iterations = 0;
display_scan_i_end = 0;
}
@@ -480,7 +546,7 @@ void setup()
delay(1000);
display.clear();
Serial.begin(115200);
w = WATERFALL_START;
w = 0; // WATERFALL_START;
init_radio();
state = radio.startReceive(RADIOLIB_SX126X_RX_TIMEOUT_NONE);
if (state != RADIOLIB_ERR_NONE)