Fix waterfall for 145 points

Prepare for 3d buttons update (fix keyboard draw buttons)

nanovna.h

@@ -135,7 +135,6 @@ void toggle_sweep(void);
 void toggle_mute(void);
 void load_default_properties(void);
 
-extern float perform(bool b, int i, uint32_t f, int e);
 enum {
   AV_OFF, AV_MIN, AV_MAX_HOLD, AV_MAX_DECAY, AV_4, AV_16
 };
@@ -874,6 +873,8 @@ typedef int16_t  pureRSSI_t;
 #define float_TO_PURE_RSSI(rssi)  ((rssi)*32.0)
 #define PURE_TO_float(rssi)       ((rssi)/32.0)
 
+extern uint16_t actual_rbw_x10;
+
 int get_waterfall(void);
 void toggle_tracking(void);
 void calibrate(void);
@@ -892,7 +893,7 @@ void wait_user(void);
 void calibrate(void);
 float to_dBm(float);
 uint32_t calc_min_sweep_time_us(void);
-extern uint16_t actual_rbw_x10;
+float perform(bool b, int i, uint32_t f, int e);
 
 enum {
   M_OFF, M_IMD, M_OIP3, M_PHASE_NOISE, M_STOP_BAND, M_PASS_BAND, M_LINEARITY

plot.c

@@ -2216,7 +2216,10 @@ redraw_frame(void)
 
 static void update_waterfall(void){
   int i;
-  int w_width = area_width < 290 ? area_width : 290;
+  int w_width = area_width < POINTS_COUNT ? area_width : POINTS_COUNT;
+  // Waterfall only in 290 or 145 points
+  if (!(sweep_points == 290 || sweep_points == 145))
+    return;
   for (i = HEIGHT_NOSCROLL-1; i >=HEIGHT_SCROLL+2; i--) {		// Scroll down
     ili9341_read_memory(OFFSETX, i  , w_width, 1, w_width*1, spi_buffer);
            ili9341_bulk(OFFSETX, i+1, w_width, 1);
@@ -2265,7 +2268,12 @@ static void update_waterfall(void){
     else              color = RGB565(               0, 124-((y-160)*4), 252-((y-160)*4));
 
 #endif
-    spi_buffer[i] = color;
+    if (sweep_points == 290)
+      spi_buffer[i] = color;
+    else {
+      spi_buffer[2*i  ] = color;
+      spi_buffer[2*i+1] = color;
+    }
   }
   ili9341_bulk(OFFSETX, HEIGHT_SCROLL+2, w_width, 1);
 }

sa_cmd.c

@@ -560,9 +560,9 @@ VNA_SHELL_FUNCTION(cmd_scanraw)
   }
   operation_requested = false;
   for (uint32_t i = 0; i<points; i++) {
-    if (operation_requested)
-      break;
     float val = perform(false, i, start +(uint32_t)(f_step * i), false);
+    if (operation_requested) // break on operation in perform
+      break;
     streamPut(shell_stream, 'x');
     int v = val*2 + 256;
     streamPut(shell_stream, (uint8_t)(v & 0xFF));
@@ -570,6 +570,7 @@ VNA_SHELL_FUNCTION(cmd_scanraw)
   }
   streamPut(shell_stream, '}');
   setting.frequency_step = old_step;
+  redraw_request = 0; // disable screen update in this mode
 }
 
 

ui.c

@@ -1402,6 +1402,17 @@ static const char * const keypad_mode_label[] = {
 static const char * const keypad_scale_text[] = { "1", "2", "5", "10", "20" , "50", "100", "200", "500"};
 //static const int  keypad_scale_value[] = { 1, 2, 5, 10, 20 , 50, 100, 200, 500};
 
+static void
+draw_button(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t border_colour, uint16_t bg_colour)
+{
+// background
+  const uint16_t bw = 2;
+  ili9341_fill(x + bw, y + bw, w - (bw * 2), h - (bw * 2), bg_colour);
+  ili9341_fill(x,          y,          w,  bw, border_colour);   // top
+  ili9341_fill(x + w - bw, y,          bw,  h, border_colour);   // right
+  ili9341_fill(x,          y,          bw,  h, border_colour);   // left
+  ili9341_fill(x,          y + h - bw, w,  bw, border_colour);   // bottom
+}
 
 static void
 draw_keypad(void)
@@ -1416,7 +1427,7 @@ draw_keypad(void)
     int x = KP_GET_X(keypads[i].x);
     int y = KP_GET_Y(keypads[i].y);
 //     ili9341_fill(x, y, KP_WIDTH, KP_HEIGHT, DEFAULT_MENU_TEXT_COLOR); // black area around button, causes flicker....
-    ili9341_fill(x+2, y+2, KP_WIDTH-4, KP_HEIGHT-4, bg);
+    draw_button(x, y, KP_WIDTH, KP_HEIGHT, DEFAULT_BG_COLOR, bg);
     if (keypads[i].c < 32) { // KP_1
       ili9341_drawfont(keypads[i].c,
                      x + (KP_WIDTH - NUM_FONT_GET_WIDTH) / 2,
@@ -1756,11 +1767,13 @@ erase_menu_buttons(void)
   draw_frequencies();
 }
 
+#if 0
 static void
 erase_numeric_input(void)
 {
   ili9341_fill(0, LCD_HEIGHT-NUM_INPUT_HEIGHT, LCD_WIDTH, NUM_INPUT_HEIGHT, DEFAULT_BG_COLOR);
 }
+#endif
 
 static void
 leave_ui_mode()