Jon Freeman / Mbed 2 deprecated Brute_TS_Controller_2018_11

Touch screen drivers control dashboard for miniature locomotive. Features meters for speed, volts, power. Switches for lights, horns. Drives multiple STM3_ESC brushless motor controllers for complete brushless loco system as used in "The Brute" - www.jons-workshop.com

Dependencies:   TS_DISCO_F746NG mbed Servo LCD_DISCO_F746NG BSP_DISCO_F746NG QSPI_DISCO_F746NG AsyncSerial FastPWM

graphics.cpp@14:6bcec5ac21ca, 2019-03-04 (annotated)

Committer:
JonFreeman
Date:
Mon Mar 04 17:47:27 2019 +0000
Revision:
14:6bcec5ac21ca
Parent:
12:a25bdf135348 
'Brute' Locomotive Touch Screen Controller - Driver's Controls; Always a 'Work In Progress', snapshot March 2019

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JonFreeman 4:67478861c670 1 #include "mbed.h"
JonFreeman 4:67478861c670 2 #include "TS_DISCO_F746NG.h"
JonFreeman 4:67478861c670 3 #include "LCD_DISCO_F746NG.h"
JonFreeman 4:67478861c670 4 #include "Electric_Loco.h"
JonFreeman 4:67478861c670 5
JonFreeman 4:67478861c670 6
JonFreeman 4:67478861c670 7 extern LCD_DISCO_F746NG lcd;
JonFreeman 4:67478861c670 8 extern TS_DISCO_F746NG touch_screen;
JonFreeman 4:67478861c670 9 extern Serial pc;
JonFreeman 4:67478861c670 10
JonFreeman 12:a25bdf135348 11 /*
JonFreeman 12:a25bdf135348 12 moving_coil_meter Voltmeter ( LCD_COLOR_BLACK, // Frame / body colour
JonFreeman 12:a25bdf135348 13 LCD_COLOR_WHITE, // Dial face colour
JonFreeman 12:a25bdf135348 14 LCD_COLOR_RED, // Moving needle colour
JonFreeman 12:a25bdf135348 15 LCD_COLOR_BLUE, // Text colour for Units e.g. 'V' and e.g. '32.7'
JonFreeman 12:a25bdf135348 16 LCD_COLOR_MAGENTA, // Scale graduations colour
JonFreeman 12:a25bdf135348 17 VOLTMETER_X, // X co-ord, centre of meter
JonFreeman 12:a25bdf135348 18 VOLTMETER_Y, // Y co-ord, centre of meter
JonFreeman 12:a25bdf135348 19 V_A_SIZE, // Meter is square with rounded corners. This is meter dial face radius
JonFreeman 12:a25bdf135348 20 22.0, // Scale not limited to e.g. 0 to 10. This is reading at anti-clock limit
JonFreeman 12:a25bdf135348 21 59.0, // This is reading at full scale deflection
JonFreeman 12:a25bdf135348 22 1.25 * PI, // Angle of needle at anti-clockwise limit
JonFreeman 12:a25bdf135348 23 -0.25 * PI , // Angle of needle at full scale deflection (clockwise max)
JonFreeman 12:a25bdf135348 24 30, // Number of scale graduation marks drwan
JonFreeman 12:a25bdf135348 25 "V", // Text for Units, e.g. 'V' or 'MPH'
JonFreeman 12:a25bdf135348 26 ONE_DP, // NO_DPS or ONE_DP - supports only no decimal places or one
JonFreeman 12:a25bdf135348 27 false) ; // true to show '+' or '-', false to supress sign display
JonFreeman 12:a25bdf135348 28 */
JonFreeman 12:a25bdf135348 29 /*moving_coil_meter Voltmeter ( LCD_COLOR_BLACK, LCD_COLOR_WHITE, LCD_COLOR_RED, LCD_COLOR_BLUE, LCD_COLOR_MAGENTA,
JonFreeman 12:a25bdf135348 30 VOLTMETER_X, VOLTMETER_Y, V_A_SIZE, 22.0, 61.0, 1.25 * PI, -0.25 * PI , 20, "V", ONE_DP, false),
JonFreeman 12:a25bdf135348 31 Powermeter ( LCD_COLOR_BLACK, LCD_COLOR_WHITE, LCD_COLOR_RED, LCD_COLOR_BLUE, LCD_COLOR_BLUE,
JonFreeman 12:a25bdf135348 32 AMMETER_X, AMMETER_Y, V_A_SIZE, -1400.0, 1400.0, 1.25 * PI, -0.25 * PI , 14, "Watt", NO_DPS, false),
JonFreeman 12:a25bdf135348 33 Speedo ( SPEEDO_BODY_COLOUR, SPEEDO_DIAL_COLOUR, LCD_COLOR_RED, SPEEDO_TEXT_COLOUR, LCD_COLOR_BLACK,
JonFreeman 12:a25bdf135348 34 SPEEDO_X, SPEEDO_Y, SPEEDO_SIZE, 0.0, 12.0, 1.25 * PI, -0.25 * PI , 12, "MPH", ONE_DP, false); // 3 instances of moving coil meter graphic
JonFreeman 12:a25bdf135348 35
JonFreeman 12:a25bdf135348 36 */
JonFreeman 4:67478861c670 37
JonFreeman 4:67478861c670 38
JonFreeman 4:67478861c670 39
JonFreeman 4:67478861c670 40 void displaytext (int x, int y, const int font, char * txt) ;
JonFreeman 4:67478861c670 41
JonFreeman 12:a25bdf135348 42 extern uint32_t odometer_out () ;
JonFreeman 12:a25bdf135348 43 void rewrite_odometer () {
JonFreeman 12:a25bdf135348 44 char dist[20];
JonFreeman 12:a25bdf135348 45 sprintf (dist, "%06dm", odometer_out()); // 12th June 2018 changed 05 to 06 to allow correct display of tot distance > 99999 metres
JonFreeman 12:a25bdf135348 46 lcd.SetTextColor (LCD_COLOR_BLACK);
JonFreeman 12:a25bdf135348 47 displaytext (241, 224, 2, dist);
JonFreeman 4:67478861c670 48 }
JonFreeman 4:67478861c670 49
JonFreeman 4:67478861c670 50 struct rect { struct point a, b; } ;
JonFreeman 4:67478861c670 51
JonFreeman 12:a25bdf135348 52 struct button_specs {
JonFreeman 4:67478861c670 53 struct rect area;
JonFreeman 4:67478861c670 54 int border_colour, body_colour;
JonFreeman 4:67478861c670 55 bool in_use, pressed;//, released;
JonFreeman 4:67478861c670 56 char txt1[12];
JonFreeman 4:67478861c670 57 char txt2[12];
JonFreeman 4:67478861c670 58 } ;
JonFreeman 4:67478861c670 59
JonFreeman 12:a25bdf135348 60 struct button_specs button[NUMOF_BUTTONS];
JonFreeman 4:67478861c670 61
JonFreeman 4:67478861c670 62 int get_button_press (struct point & pt) ;
JonFreeman 4:67478861c670 63 int get_but_p (int x, int y)
JonFreeman 4:67478861c670 64 {
JonFreeman 4:67478861c670 65 struct point p;
JonFreeman 4:67478861c670 66 p.x = x;
JonFreeman 4:67478861c670 67 p.y = y;
JonFreeman 4:67478861c670 68 return get_button_press (p);
JonFreeman 4:67478861c670 69 }
JonFreeman 4:67478861c670 70
JonFreeman 12:a25bdf135348 71 /**
JonFreeman 12:a25bdf135348 72 void read_keypresses (struct ky_bd & a)
JonFreeman 12:a25bdf135348 73 Sets values in struct ky_bd, containing :
JonFreeman 12:a25bdf135348 74 struct ky_bd { int count, slider_y; keystr key[MAX_TOUCHES + 1]; bool sli; } ;
JonFreeman 12:a25bdf135348 75 struct keystr { int keynum; int x; int y; } ;
JonFreeman 12:a25bdf135348 76 sets a.count to number of fingers found pressing buttons
JonFreeman 12:a25bdf135348 77 fills a.key[].keynum with list of 'a.count' button return codes
JonFreeman 12:a25bdf135348 78 fills corresponding a.key[].x and a.key[].y with finger coordinates
JonFreeman 12:a25bdf135348 79 if button is SLIDER_BUTTON
JonFreeman 12:a25bdf135348 80 sets a.sli true else sets false
JonFreeman 12:a25bdf135348 81 sets a.slider_y with new slider y coordinate - 0 at top
JonFreeman 12:a25bdf135348 82 */
JonFreeman 4:67478861c670 83 void read_keypresses (struct ky_bd & a)
JonFreeman 4:67478861c670 84 {
JonFreeman 4:67478861c670 85 int x;
JonFreeman 4:67478861c670 86 a.count = 0;
JonFreeman 4:67478861c670 87 a.sli = false;
JonFreeman 4:67478861c670 88 for (x = 0; x < MAX_TOUCHES; x++)
JonFreeman 12:a25bdf135348 89 a.key[x].keynum = -1;
JonFreeman 4:67478861c670 90 int touches, but;
JonFreeman 4:67478861c670 91 TS_StateTypeDef TS_State;
JonFreeman 4:67478861c670 92 touch_screen.GetState(&TS_State);
JonFreeman 4:67478861c670 93 touches = TS_State.touchDetected;
JonFreeman 4:67478861c670 94 for (int h = 0; h < touches; h++) {
JonFreeman 4:67478861c670 95 but = get_but_p (TS_State.touchX[h], TS_State.touchY[h]);
JonFreeman 4:67478861c670 96 if (but > - 1) {
JonFreeman 12:a25bdf135348 97 a.key[a.count].keynum = but;
JonFreeman 12:a25bdf135348 98 a.key[a.count].x = TS_State.touchX[h];
JonFreeman 12:a25bdf135348 99 a.key[a.count].y = TS_State.touchY[h];
JonFreeman 12:a25bdf135348 100 if (but == SLIDER_BUTTON) {
JonFreeman 4:67478861c670 101 a.sli = true;
JonFreeman 12:a25bdf135348 102 a.slider_y = a.key[a.count].y;
JonFreeman 4:67478861c670 103 }
JonFreeman 4:67478861c670 104 a.count++;
JonFreeman 4:67478861c670 105 }
JonFreeman 4:67478861c670 106 }
JonFreeman 4:67478861c670 107 }
JonFreeman 4:67478861c670 108
JonFreeman 4:67478861c670 109
JonFreeman 4:67478861c670 110 void displaytext (int x, int y, char * txt)
JonFreeman 4:67478861c670 111 {
JonFreeman 4:67478861c670 112 lcd.DisplayStringAt(x, y, (uint8_t *)txt, LEFT_MODE);
JonFreeman 4:67478861c670 113 }
JonFreeman 4:67478861c670 114
JonFreeman 4:67478861c670 115 void displaytext (int x, int y, const int font, char * txt)
JonFreeman 4:67478861c670 116 {
JonFreeman 4:67478861c670 117 sFONT * const fp[] = {&Font8, &Font12, &Font16, &Font20, &Font24};
JonFreeman 4:67478861c670 118 lcd.SetFont(fp[font]);
JonFreeman 4:67478861c670 119 displaytext (x, y, txt);
JonFreeman 4:67478861c670 120 }
JonFreeman 4:67478861c670 121
JonFreeman 4:67478861c670 122 void displaytext (int x, int y, const int font, uint32_t BCol, uint32_t TCol, char * txt)
JonFreeman 4:67478861c670 123 {
JonFreeman 4:67478861c670 124 uint32_t otc, obc;
JonFreeman 4:67478861c670 125 otc = lcd.GetTextColor();
JonFreeman 4:67478861c670 126 obc = lcd.GetBackColor();
JonFreeman 4:67478861c670 127 lcd.SetTextColor(TCol);
JonFreeman 4:67478861c670 128 lcd.SetBackColor(BCol);
JonFreeman 4:67478861c670 129 displaytext (x, y, font, txt);
JonFreeman 4:67478861c670 130 lcd.SetTextColor(otc);
JonFreeman 4:67478861c670 131 lcd.SetBackColor(obc);
JonFreeman 4:67478861c670 132 }
JonFreeman 4:67478861c670 133
JonFreeman 12:a25bdf135348 134 void draw_button (struct button_specs & bu)
JonFreeman 4:67478861c670 135 {
JonFreeman 4:67478861c670 136 int oldbgcolour;
JonFreeman 4:67478861c670 137 lcd.SetTextColor (bu.body_colour);
JonFreeman 4:67478861c670 138 lcd.FillRect(bu.area.a.x + 2, bu.area.a.y + 2, bu.area.b.x - bu.area.a.x - 2, bu.area.b.y - bu.area.a.y - 2); //, bu.body_colour);
JonFreeman 4:67478861c670 139 oldbgcolour = lcd.GetBackColor();
JonFreeman 4:67478861c670 140 lcd.SetBackColor(bu.body_colour);
JonFreeman 4:67478861c670 141 lcd.SetTextColor(LCD_COLOR_BLACK);
JonFreeman 4:67478861c670 142 if (strlen(bu.txt2) == 0) {
JonFreeman 4:67478861c670 143 displaytext (bu.area.a.x + 4, bu.area.a.y + 14, 4, bu.txt1); // largest font 4
JonFreeman 4:67478861c670 144 } else {
JonFreeman 4:67478861c670 145 displaytext (bu.area.a.x + 4, bu.area.a.y + 4, 3, bu.txt1); // not so large font 3
JonFreeman 4:67478861c670 146 displaytext (bu.area.a.x + 4, bu.area.a.y + 26, bu.txt2);
JonFreeman 4:67478861c670 147 }
JonFreeman 4:67478861c670 148 lcd.SetBackColor(LCD_COLOR_BLACK);
JonFreeman 4:67478861c670 149 lcd.SetTextColor(bu.border_colour);
JonFreeman 4:67478861c670 150 lcd.DrawRect(bu.area.a.x, bu.area.a.y, bu.area.b.x - bu.area.a.x, bu.area.b.y - bu.area.a.y); //, bu.border_colour);
JonFreeman 4:67478861c670 151 lcd.DrawRect(bu.area.a.x + 1, bu.area.a.y + 1, bu.area.b.x - bu.area.a.x - 1, bu.area.b.y - bu.area.a.y - 1); //, bu.border_colour);
JonFreeman 4:67478861c670 152 lcd.SetBackColor(oldbgcolour);
JonFreeman 4:67478861c670 153 }
JonFreeman 4:67478861c670 154
JonFreeman 4:67478861c670 155 void draw_button_hilight (int but, int colour)
JonFreeman 4:67478861c670 156 {
JonFreeman 4:67478861c670 157 if (but < 0 || but > NUMOF_BUTTONS) {
JonFreeman 4:67478861c670 158 pc.printf ("Button out of range in draw_button_hilight %d\r\n", but) ;
JonFreeman 4:67478861c670 159 } else {
JonFreeman 12:a25bdf135348 160 struct button_specs * bu = &button[but];
JonFreeman 4:67478861c670 161 int oldbgcolour = lcd.GetBackColor();//, minx, miny, maxx, maxy;
JonFreeman 4:67478861c670 162 lcd.SetTextColor(colour);
JonFreeman 4:67478861c670 163 lcd.DrawRect(bu->area.a.x - 1, bu->area.a.y - 1, bu->area.b.x - bu->area.a.x + 2, bu->area.b.y - bu->area.a.y + 2);
JonFreeman 4:67478861c670 164 lcd.DrawRect(bu->area.a.x - 2, bu->area.a.y - 2, bu->area.b.x - bu->area.a.x + 4, bu->area.b.y - bu->area.a.y + 4);
JonFreeman 4:67478861c670 165 lcd.DrawRect(bu->area.a.x - 2, bu->area.a.y - 3, bu->area.b.x - bu->area.a.x + 5, bu->area.b.y - bu->area.a.y + 6);
JonFreeman 4:67478861c670 166 lcd.SetBackColor(oldbgcolour);
JonFreeman 4:67478861c670 167 }
JonFreeman 4:67478861c670 168 }
JonFreeman 4:67478861c670 169
JonFreeman 12:a25bdf135348 170 void draw_button (struct button_specs & bu, int body_colour)
JonFreeman 4:67478861c670 171 {
JonFreeman 4:67478861c670 172 bu.body_colour = body_colour;
JonFreeman 4:67478861c670 173 draw_button (bu);
JonFreeman 4:67478861c670 174 }
JonFreeman 4:67478861c670 175
JonFreeman 12:a25bdf135348 176 void setup_button (struct button_specs & bu, int x1, int y1, int dx, int dy, int bord, int body, char * txt1, char * txt2)
JonFreeman 4:67478861c670 177 {
JonFreeman 4:67478861c670 178 static const int margin = 3;
JonFreeman 4:67478861c670 179 int xsize = lcd.GetXSize();
JonFreeman 4:67478861c670 180 int ysize = lcd.GetXSize();
JonFreeman 4:67478861c670 181 int x2 = x1 + dx, y2 = y1 + dy;
JonFreeman 4:67478861c670 182 if (x1 < margin) x1 = margin;
JonFreeman 4:67478861c670 183 if (y1 < margin) y1 = margin;
JonFreeman 4:67478861c670 184 if (x2 > xsize - margin) x2 = xsize - margin;
JonFreeman 4:67478861c670 185 if (y2 > ysize - margin) y2 = ysize - margin;
JonFreeman 4:67478861c670 186 bu.area.a.x = x1;
JonFreeman 4:67478861c670 187 bu.area.a.y = y1;
JonFreeman 4:67478861c670 188 bu.area.b.x = x2;
JonFreeman 4:67478861c670 189 bu.area.b.y = y2;
JonFreeman 4:67478861c670 190 bu.border_colour = bord;
JonFreeman 4:67478861c670 191 bu.body_colour = body;
JonFreeman 4:67478861c670 192 strcpy (bu.txt1, txt1);
JonFreeman 4:67478861c670 193 strcpy (bu.txt2, txt2);
JonFreeman 4:67478861c670 194 bu.in_use = true;
JonFreeman 4:67478861c670 195 bu.pressed = false;
JonFreeman 4:67478861c670 196 draw_button(bu);
JonFreeman 4:67478861c670 197 }
JonFreeman 4:67478861c670 198
JonFreeman 12:a25bdf135348 199 /*bool ifpressed (int key)
JonFreeman 4:67478861c670 200 {
JonFreeman 4:67478861c670 201 return button[key].pressed;
JonFreeman 4:67478861c670 202 }
JonFreeman 12:a25bdf135348 203 */
JonFreeman 12:a25bdf135348 204 bool is_button_pressed (struct point & pt, struct button_specs & bu)
JonFreeman 4:67478861c670 205 {
JonFreeman 4:67478861c670 206 if (bu.in_use) {
JonFreeman 12:a25bdf135348 207 if ( bu.area.a.x < pt.x
JonFreeman 12:a25bdf135348 208 && bu.area.b.x > pt.x
JonFreeman 12:a25bdf135348 209 && bu.area.a.y < pt.y
JonFreeman 12:a25bdf135348 210 && bu.area.b.y > pt.y)
JonFreeman 4:67478861c670 211 return true;
JonFreeman 4:67478861c670 212 }
JonFreeman 4:67478861c670 213 return false;
JonFreeman 4:67478861c670 214 }
JonFreeman 4:67478861c670 215
JonFreeman 4:67478861c670 216 int get_button_press (struct point & pt)
JonFreeman 4:67478861c670 217 {
JonFreeman 4:67478861c670 218 for (int j = 0; j < NUMOF_BUTTONS; j++)
JonFreeman 4:67478861c670 219 if (button[j].in_use && is_button_pressed (pt, button[j]))
JonFreeman 4:67478861c670 220 return j;
JonFreeman 4:67478861c670 221 return -1;
JonFreeman 4:67478861c670 222 }
JonFreeman 4:67478861c670 223
JonFreeman 4:67478861c670 224 void setup_buttons ()
JonFreeman 4:67478861c670 225 {
JonFreeman 12:a25bdf135348 226 setup_button (button[SPEEDO_BUTTON],
JonFreeman 4:67478861c670 227 SPEEDO_X - SPEEDO_SIZE, SPEEDO_Y - SPEEDO_SIZE,
JonFreeman 4:67478861c670 228 SPEEDO_SIZE * 2, SPEEDO_SIZE * 2, SPEEDO_BODY_COLOUR, LCD_COLOR_RED, " X", "") ;
JonFreeman 12:a25bdf135348 229 setup_button (button[VMETER_BUTTON],
JonFreeman 4:67478861c670 230 VOLTMETER_X - V_A_SIZE, VOLTMETER_Y - V_A_SIZE, V_A_SIZE * 2, V_A_SIZE * 2, VMETER_BODY_COLOUR, LCD_COLOR_RED, " Y", "") ;
JonFreeman 12:a25bdf135348 231 setup_button (button[AMETER_BUTTON],
JonFreeman 4:67478861c670 232 AMMETER_X - V_A_SIZE, AMMETER_Y - V_A_SIZE, V_A_SIZE * 2, V_A_SIZE * 2, AMETER_BODY_COLOUR, LCD_COLOR_RED, " Z", "") ;
JonFreeman 12:a25bdf135348 233 setup_button (button[SLIDER_BUTTON], SLIDERX, SLIDERY, SLIDERW, SLIDERH, LCD_COLOR_BLUE, LCD_COLOR_MAGENTA, "", "") ;
JonFreeman 4:67478861c670 234 }
JonFreeman 4:67478861c670 235
JonFreeman 12:a25bdf135348 236 void screen_touch_handler::DrawSlider () {
JonFreeman 12:a25bdf135348 237 uint32_t
JonFreeman 12:a25bdf135348 238 colr,
JonFreeman 12:a25bdf135348 239 oldbgcolr = lcd.GetBackColor (),
JonFreeman 12:a25bdf135348 240 oldtxtcolr = lcd.GetTextColor ();
JonFreeman 4:67478861c670 241 char txt[4];
JonFreeman 4:67478861c670 242 txt[1] = 0;
JonFreeman 12:a25bdf135348 243 if (position > MAX_POS)
JonFreeman 12:a25bdf135348 244 position = MAX_POS;
JonFreeman 12:a25bdf135348 245 if (position < MIN_POS)
JonFreeman 12:a25bdf135348 246 position = MIN_POS;
JonFreeman 12:a25bdf135348 247 if (position != oldpos) {
JonFreeman 4:67478861c670 248 // Draw slider background colour rectangle overwriting previous circles
JonFreeman 4:67478861c670 249 // Redraw black vertical
JonFreeman 4:67478861c670 250 // Draw new circles
JonFreeman 4:67478861c670 251 // Write text char
JonFreeman 4:67478861c670 252 lcd.SetTextColor(LCD_COLOR_MAGENTA);
JonFreeman 12:a25bdf135348 253 lcd.FillRect (SLIDERX + 1, oldpos - BUTTON_RAD, SLIDERW - 2, SLIDERW);
JonFreeman 4:67478861c670 254 lcd.SetTextColor(LCD_COLOR_BLACK);
JonFreeman 4:67478861c670 255 lcd.FillRect (SLIDERX + (SLIDERW / 2) - 3, 6, 7, SLIDERH - 8);
JonFreeman 12:a25bdf135348 256 oldpos = position;
JonFreeman 4:67478861c670 257 lcd.SetTextColor(LCD_COLOR_WHITE);
JonFreeman 12:a25bdf135348 258 lcd.DrawCircle (CIRC_CTR, position, BUTTON_RAD); // seel also FillCircle
JonFreeman 12:a25bdf135348 259 lcd.DrawCircle (CIRC_CTR, position, BUTTON_RAD - 1);
JonFreeman 12:a25bdf135348 260 switch (next_state) {
JonFreeman 12:a25bdf135348 261 case RUN_DOWN:
JonFreeman 4:67478861c670 262 case RUN:
JonFreeman 4:67478861c670 263 txt[0] = 'R';
JonFreeman 4:67478861c670 264 colr = LCD_COLOR_GREEN;
JonFreeman 4:67478861c670 265 break;
JonFreeman 12:a25bdf135348 266 case INTO_NEUTRAL_DRIFT:
JonFreeman 4:67478861c670 267 case NEUTRAL_DRIFT:
JonFreeman 12:a25bdf135348 268 case INTO_RUN:
JonFreeman 4:67478861c670 269 txt[0] = 'N';
JonFreeman 4:67478861c670 270 colr = LCD_COLOR_BLUE;
JonFreeman 4:67478861c670 271 break;
JonFreeman 4:67478861c670 272 case REGEN_BRAKE:
JonFreeman 12:a25bdf135348 273 case INTO_REGEN_BRAKE:
JonFreeman 4:67478861c670 274 txt[0] = 'B';
JonFreeman 4:67478861c670 275 colr = LCD_COLOR_ORANGE;
JonFreeman 4:67478861c670 276 break;
JonFreeman 4:67478861c670 277 default:
JonFreeman 4:67478861c670 278 txt[0] = 'X';
JonFreeman 4:67478861c670 279 colr = LCD_COLOR_CYAN;
JonFreeman 12:a25bdf135348 280 // pc.printf ("State %d\r\n", next_state);
JonFreeman 4:67478861c670 281 } // End of switch
JonFreeman 4:67478861c670 282 lcd.SetTextColor(colr);
JonFreeman 12:a25bdf135348 283 lcd.FillCircle (CIRC_CTR, position, BUTTON_RAD - 2);
JonFreeman 4:67478861c670 284 lcd.SetBackColor (colr);
JonFreeman 4:67478861c670 285 lcd.SetTextColor(LCD_COLOR_YELLOW);
JonFreeman 12:a25bdf135348 286 displaytext(SLIDERX + 17, position - 10, 4, txt); // largest font
JonFreeman 4:67478861c670 287 lcd.SetBackColor (LCD_COLOR_BLACK);
JonFreeman 4:67478861c670 288 } // End of else
JonFreeman 4:67478861c670 289 lcd.SetTextColor (oldtxtcolr);
JonFreeman 4:67478861c670 290 lcd.SetBackColor (oldbgcolr);
JonFreeman 4:67478861c670 291 }
JonFreeman 4:67478861c670 292
JonFreeman 4:67478861c670 293
JonFreeman 4:67478861c670 294
JonFreeman 4:67478861c670 295