charles young / Mbed 2 deprecated GEO_COUNTER_L432KC

Charles Young's development fork. Going forward I only want to push mature code to main repository.

Dependencies:   mbed

Fork of GEO_COUNTER_L432KC by Geo Electronics "Geo Counter"

main.cpp@72:4838d419f33c, 2018-09-13 (annotated)

Committer:
Charles David Young
Date:
Thu Sep 13 15:07:19 2018 -0700
Revision:
72:4838d419f33c
Parent:
71:fe799147584b
Child:
73:48f87b5ddafc
debug

Who changed what in which revision?

UserRevisionLine numberNew contents of line
walter76 2:ac0ed3d84d44 1 // GEO COUNTER V1 firmware
walter76 2:ac0ed3d84d44 2 // This FW provides a basic operation of GEO-COUNTER
walter76 2:ac0ed3d84d44 3 //
walter76 2:ac0ed3d84d44 4 // Latest review: August 27, 2018 - Walter Trovo
walter76 1:75827d765e34 5 //
Charles David Young 72:4838d419f33c 6 // Sep 13, 2018: Charles Young: CNT1 and CNT2 smooth
Charles David Young 68:c2e71a6583dd 7 // Sep 9, 2018: Charles Young: CNT1 and CNT2 accurate except for jumping up
Charles David Young 47:f004b4612069 8 // Sep 6, 2018: Charles Young: Functioning mode selection - modes partially implemented
Charles David Young 25:0161bf1adc81 9 // Sep 5, 2018: Charles Young: Created LED7segDisplay class
charlesdavidyoung 24:db7494389c03 10 // Sep 5, 2018: Charles Young: Still developing mode selection. LEDs turn off
charlesdavidyoung 24:db7494389c03 11 // when not in mode selection. Pressing once enters mode selection.
charlesdavidyoung 24:db7494389c03 12 // Pressing again enters submode. Temporarily the rotary switch
charlesdavidyoung 24:db7494389c03 13 // adjusts the display brightness. This is just for testing.
charlesdavidyoung 24:db7494389c03 14 // Sep 4, 2018: Charles Young: Created RotarySwitch class to manage mode selection
walter76 1:75827d765e34 15 // Feb 14, 2018: initial release aimed to test the counters, the serial port
walter76 1:75827d765e34 16 // the PWM output and the MAX7219 operation.
walter76 1:75827d765e34 17 // Feb 15, 2018: Removed MAX7219 libray (replaced with custom routine).
walter76 1:75827d765e34 18 // Added 74HC595 routine. Added beep. Added Gate_write
walter76 1:75827d765e34 19 //
walter76 2:ac0ed3d84d44 20
walter76 1:75827d765e34 21
walter76 1:75827d765e34 22 // this block includes key libraries
walter76 1:75827d765e34 23 #include <string> // strings management
charlesdavidyoung 24:db7494389c03 24 #include "RotarySwitch.hpp"
Charles David Young 25:0161bf1adc81 25 #include "LED7segDisplay.hpp"
charlesdavidyoung 20:fb73eaaf0894 26
charlesdavidyoung 24:db7494389c03 27 // Everything associated with the rotary switch and the associated LEDs
charlesdavidyoung 24:db7494389c03 28 // is hidden in this class.
charlesdavidyoung 20:fb73eaaf0894 29 RotarySwitch ModeSwitch;
Charles David Young 25:0161bf1adc81 30 LED7segDisplay DigitsDisplay;
walter76 1:75827d765e34 31
Charles David Young 34:10550b327e3d 32 enum Modes {
Charles David Young 34:10550b327e3d 33 CNT1,
Charles David Young 34:10550b327e3d 34 CNT2,
Charles David Young 34:10550b327e3d 35 PROSPECT,
Charles David Young 34:10550b327e3d 36 NULL1,
Charles David Young 37:6f7bb913e08b 37 NULL2,
Charles David Young 38:1642320d83a0 38 VOLTS,
Charles David Young 38:1642320d83a0 39 VOLUME,
Charles David Young 34:10550b327e3d 40 DIM,
Charles David Young 34:10550b327e3d 41 NumberOfModes
Charles David Young 34:10550b327e3d 42 };
Charles David Young 38:1642320d83a0 43 uint8_t currentMode = CNT1;
Charles David Young 38:1642320d83a0 44 uint8_t currentModeToDisplay = CNT1;
Charles David Young 34:10550b327e3d 45
charlesdavidyoung 5:4f90b458dbdf 46 // LED on processor board
charlesdavidyoung 5:4f90b458dbdf 47 DigitalOut led1(LED1);
walter76 1:75827d765e34 48
walter76 1:75827d765e34 49 // definitions of peripherals and devices
Charles David Young 7:9f975e00600c 50
charlesdavidyoung 17:6eed17197004 51 I2C i2c(D4, D5); // I2C port
charlesdavidyoung 17:6eed17197004 52 Ticker SecTenth_Beat; // .1 second ticker
walter76 1:75827d765e34 53 Ticker Sec_Beat; // 1 second ticker
Charles David Young 61:00601fb0a3b9 54
walter76 1:75827d765e34 55 Serial PC(USBTX, USBRX); // Virtual COM via USB (PC connection)
walter76 1:75827d765e34 56 Serial GPS(D1, D0); // Serial port for GPS module
walter76 0:6d1742703713 57
walter76 0:6d1742703713 58 // Global variables
walter76 1:75827d765e34 59 time_t seconds; // Real-Time Clock (RTC) timestamp
walter76 1:75827d765e34 60 unsigned int value = 0; // displayed value on the 6-digits of the display
Charles David Young 44:a26ca542ae5e 61
Charles David Young 61:00601fb0a3b9 62 uint32_t Count1, Count2; // pulse counters (32-bit)
Charles David Young 71:fe799147584b 63 #define CountAvg 4
Charles David Young 71:fe799147584b 64 uint32_t Count1Avg[CountAvg], Count2Avg[CountAvg]; // pulse counters (32-bit)
Charles David Young 72:4838d419f33c 65 uint8_t CountAvgIndex = 0;
Charles David Young 61:00601fb0a3b9 66 uint32_t Count1Save;
Charles David Young 61:00601fb0a3b9 67 uint32_t Count2Save;
Charles David Young 61:00601fb0a3b9 68
Charles David Young 58:d15adb224e5a 69 uint32_t TickerPeriod = 100000;
Charles David Young 53:04999d536e92 70 uint32_t TickerPeriodCount = 0;
Charles David Young 53:04999d536e92 71 const uint32_t TickerPeriodsPerSecond = 1000000/TickerPeriod;
Charles David Young 61:00601fb0a3b9 72 const uint32_t TickerTicksPerSecond = TickerPeriod*TickerPeriodsPerSecond;
Charles David Young 44:a26ca542ae5e 73
walter76 1:75827d765e34 74 char Text[40]=""; // used to send messages over the serial port
walter76 1:75827d765e34 75 uint8_t Disp_mode = 0x01, Disp_unit = 0xA0; // status of 1st row and 2nd rows of LEDs
kd5byb 4:b17c6556cf1f 76 bool Stopped = 0; // status of counting activity
charlesdavidyoung 5:4f90b458dbdf 77 bool StartStopPressed = 0;// status of counting activity
walter76 1:75827d765e34 78 double ADC_val; // used to read ADC value
charlesdavidyoung 24:db7494389c03 79 float direction = 0;
walter76 0:6d1742703713 80
Charles David Young 38:1642320d83a0 81 #define maxVolume 10
Charles David Young 38:1642320d83a0 82 uint8_t volume = maxVolume;
Charles David Young 38:1642320d83a0 83
walter76 1:75827d765e34 84 // ----- Prototypes of routines (defined below the main) -------------------
Charles David Young 16:b2e77eb76ab4 85 void UpdateInput(void); // periodically called by the ticker
Charles David Young 16:b2e77eb76ab4 86 void UpdateOutput(void); // periodically called by the ticker
Charles David Young 53:04999d536e92 87 void UpdateIO(void); // periodically called by the ticker
walter76 1:75827d765e34 88 void Count1_up(void); // called every time an edge is detected on TRIG1 pin
walter76 1:75827d765e34 89 void Count2_up(void); // called every time an edge is detected on TRIG2 pin
walter76 1:75827d765e34 90 void Beep(void); // used to generate a short beep (buzzer)
walter76 0:6d1742703713 91
walter76 0:6d1742703713 92 //==============================================================================
walter76 0:6d1742703713 93 //==============================================================================
walter76 0:6d1742703713 94
walter76 0:6d1742703713 95 int main()
walter76 0:6d1742703713 96 {
walter76 0:6d1742703713 97
Charles David Young 28:c81d00ec28a3 98 PC.baud(115200); // set baud-rate of virtual COM port (PC connection)
Charles David Young 28:c81d00ec28a3 99 PC.printf("\nGEO COUNTER V1 2108");
Charles David Young 28:c81d00ec28a3 100 PC.printf(__DATE__);
Charles David Young 28:c81d00ec28a3 101 PC.printf(" ");
Charles David Young 28:c81d00ec28a3 102 PC.printf(__TIME__);
walter76 1:75827d765e34 103
Charles David Young 28:c81d00ec28a3 104 GPS.baud(9600); // set the baud-rate of the serial port dedicated to the GPS
walter76 0:6d1742703713 105
Charles David Young 28:c81d00ec28a3 106 CS1 = 1; // presets CS of MAX7219
Charles David Young 28:c81d00ec28a3 107 CS2 = 1; // preset CS of 74HC595
walter76 1:75827d765e34 108
Charles David Young 28:c81d00ec28a3 109 DigitsDisplay.Display_6D_write(0x543210);
Charles David Young 28:c81d00ec28a3 110 DigitsDisplay.Display_2D_write(0);
walter76 0:6d1742703713 111
Charles David Young 61:00601fb0a3b9 112 // RTC is supposed to lose time at power down (no backup battery)
Charles David Young 28:c81d00ec28a3 113 // An initialization is performed anyway
Charles David Young 28:c81d00ec28a3 114 set_time(0); // Set time
charlesdavidyoung 24:db7494389c03 115
Charles David Young 28:c81d00ec28a3 116 PWM.period_ms(3); // set the PWM period
Charles David Young 28:c81d00ec28a3 117 PWM.write(0.8); // set the PWM duty-cycle
walter76 1:75827d765e34 118
Charles David Young 28:c81d00ec28a3 119 Beep(); // initial beep
walter76 1:75827d765e34 120
Charles David Young 28:c81d00ec28a3 121 // set the 1 sec ticker to periodically call the Update() routine
Charles David Young 28:c81d00ec28a3 122 // NOTE: this is also the 1-sec time base for counters. A better approach
Charles David Young 28:c81d00ec28a3 123 // would replace the ticker with an interrupt from the RTC (to be implemented)
Charles David Young 53:04999d536e92 124 SecTenth_Beat.attach_us(&UpdateIO, TickerPeriod);
Charles David Young 28:c81d00ec28a3 125 //RTC::attach(&Update, RTC::Second);
Charles David Young 28:c81d00ec28a3 126 //RTC::detach(RTC::Second);
Charles David Young 68:c2e71a6583dd 127
Charles David Young 60:6ae1a2390600 128 TRIG1.rise(&Count1_up);
Charles David Young 60:6ae1a2390600 129 TRIG2.rise(&Count2_up);
Charles David Young 60:6ae1a2390600 130
Charles David Young 71:fe799147584b 131 for (uint8_t i=0;i<CountAvg;i++)
Charles David Young 71:fe799147584b 132 {
Charles David Young 71:fe799147584b 133 Count1Avg[i] = 0;
Charles David Young 71:fe799147584b 134 Count2Avg[i] = 0;
Charles David Young 71:fe799147584b 135 }
Charles David Young 71:fe799147584b 136
Charles David Young 28:c81d00ec28a3 137 // main loop does nothing as all activities are interrupt driven
Charles David Young 28:c81d00ec28a3 138 while(1)
Charles David Young 28:c81d00ec28a3 139 {
Charles David Young 70:a07ab0091d5a 140 // somehow this makes it worse
Charles David Young 70:a07ab0091d5a 141 // // Manage user I/O outside Ticker interrupt for accuracy
Charles David Young 70:a07ab0091d5a 142 // wait_us(TickerPeriod);
Charles David Young 70:a07ab0091d5a 143 // if (TickerPeriodCount == 0)
Charles David Young 70:a07ab0091d5a 144 // UpdateOutput();
Charles David Young 70:a07ab0091d5a 145 // UpdateInput();
Charles David Young 28:c81d00ec28a3 146 }
walter76 0:6d1742703713 147 }
walter76 0:6d1742703713 148
walter76 0:6d1742703713 149
walter76 1:75827d765e34 150 //-------- END OF MAIN --------------
walter76 0:6d1742703713 151 //==============================================================================
walter76 0:6d1742703713 152
walter76 1:75827d765e34 153 // Definition of routines
walter76 1:75827d765e34 154
walter76 1:75827d765e34 155 //---------------------------------------------------------------------------
walter76 1:75827d765e34 156 // Update values to be displayed
Charles David Young 10:f48cc6be5ae8 157 void logToPC()
Charles David Young 10:f48cc6be5ae8 158 {
Charles David Young 10:f48cc6be5ae8 159 PC.printf("\nADC: %.02f", ADC_val);
Charles David Young 10:f48cc6be5ae8 160 PC.printf(Stopped ? " stopped" : " started");
Charles David Young 10:f48cc6be5ae8 161 // Timestamp to PC (debug)
Charles David Young 10:f48cc6be5ae8 162 seconds = time(NULL); // get current time
Charles David Young 10:f48cc6be5ae8 163 strftime(Text, 50, "%H:%M:%S", localtime(&seconds));
Charles David Young 10:f48cc6be5ae8 164 PC.printf(" RTC: %s, CNT1: %7d CNT2: %7d",Text, Count1, Count2);
charlesdavidyoung 24:db7494389c03 165 PC.printf(" wheel %f", direction);
Charles David Young 10:f48cc6be5ae8 166 }
walter76 1:75827d765e34 167
Charles David Young 53:04999d536e92 168 void UpdateIO()
Charles David Young 53:04999d536e92 169 {
Charles David Young 53:04999d536e92 170 if (++TickerPeriodCount >= TickerPeriodsPerSecond)
Charles David Young 53:04999d536e92 171 {
Charles David Young 61:00601fb0a3b9 172 // Capture the counts early so they will be more accurate
Charles David Young 71:fe799147584b 173 Count1Avg[CountAvgIndex] = Count1;
Charles David Young 71:fe799147584b 174 Count2Avg[CountAvgIndex] = Count2;
Charles David Young 71:fe799147584b 175 CountAvgIndex = ++CountAvgIndex % CountAvg;
Charles David Young 71:fe799147584b 176
Charles David Young 71:fe799147584b 177 uint32_t Count1Sum = 0, Count2Sum = 0;
Charles David Young 71:fe799147584b 178 for (uint8_t i=0;i<CountAvg;i++)
Charles David Young 71:fe799147584b 179 {
Charles David Young 71:fe799147584b 180 Count1Sum += Count1Avg[i]
Charles David Young 71:fe799147584b 181 Count2Sum += Count2Avg[i];
Charles David Young 71:fe799147584b 182 }
Charles David Young 71:fe799147584b 183 Count1Save = Count1Sum / CountAvg;
Charles David Young 71:fe799147584b 184 Count2Save = Count2Sum / CountAvg;
Charles David Young 61:00601fb0a3b9 185 Count1 = 0;
Charles David Young 61:00601fb0a3b9 186 Count2 = 0;
Charles David Young 61:00601fb0a3b9 187
Charles David Young 53:04999d536e92 188 TickerPeriodCount = 0;
Charles David Young 61:00601fb0a3b9 189
Charles David Young 70:a07ab0091d5a 190 UpdateOutput();
Charles David Young 53:04999d536e92 191 }
Charles David Young 70:a07ab0091d5a 192 UpdateInput();
Charles David Young 53:04999d536e92 193 }
Charles David Young 53:04999d536e92 194
Charles David Young 53:04999d536e92 195 void UpdateOutput()
charlesdavidyoung 18:ef5678ab1889 196 {
Charles David Young 49:a67f2a3d228a 197 if(Stopped)
Charles David Young 49:a67f2a3d228a 198 {
Charles David Young 49:a67f2a3d228a 199 // disable interrupts on TRIG1 and TRIG2
Charles David Young 49:a67f2a3d228a 200 TRIG1.rise(NULL);
Charles David Young 49:a67f2a3d228a 201 TRIG2.rise(NULL);
Charles David Young 49:a67f2a3d228a 202 }
Charles David Young 49:a67f2a3d228a 203
Charles David Young 28:c81d00ec28a3 204 // This must be called periodically to update the LEDs
Charles David Young 28:c81d00ec28a3 205 ModeSwitch.UpdateOutput();
charlesdavidyoung 24:db7494389c03 206
Charles David Young 38:1642320d83a0 207 switch (currentModeToDisplay) {
Charles David Young 34:10550b327e3d 208 case CNT1:
Charles David Young 49:a67f2a3d228a 209 DigitsDisplay.Display_6D_write(Count1Save);
Charles David Young 41:08bf3ea5eba4 210 DigitsDisplay.Display_2D_Blank();
Charles David Young 34:10550b327e3d 211 break;
Charles David Young 34:10550b327e3d 212 case CNT2:
Charles David Young 49:a67f2a3d228a 213 DigitsDisplay.Display_6D_write(Count2Save);
Charles David Young 41:08bf3ea5eba4 214 DigitsDisplay.Display_2D_Blank();
Charles David Young 34:10550b327e3d 215 break;
Charles David Young 34:10550b327e3d 216 case PROSPECT:
Charles David Young 49:a67f2a3d228a 217 if (Count1Save)
Charles David Young 49:a67f2a3d228a 218 DigitsDisplay.Display_6D_write(Count1Save);
Charles David Young 44:a26ca542ae5e 219 else
Charles David Young 49:a67f2a3d228a 220 DigitsDisplay.Display_6D_write(Count2Save);
Charles David Young 41:08bf3ea5eba4 221 DigitsDisplay.Display_2D_Blank();
Charles David Young 34:10550b327e3d 222 break;
Charles David Young 34:10550b327e3d 223 case NULL1:
Charles David Young 34:10550b327e3d 224 DigitsDisplay.Display_6D_write(0);
Charles David Young 41:08bf3ea5eba4 225 DigitsDisplay.Display_2D_Blank();
Charles David Young 34:10550b327e3d 226 break;
Charles David Young 37:6f7bb913e08b 227 case NULL2:
Charles David Young 34:10550b327e3d 228 DigitsDisplay.Display_6D_write(0);
Charles David Young 41:08bf3ea5eba4 229 DigitsDisplay.Display_2D_Blank();
Charles David Young 34:10550b327e3d 230 break;
Charles David Young 38:1642320d83a0 231 case VOLTS:
Charles David Young 34:10550b327e3d 232 DigitsDisplay.Display_6D_write(0);
Charles David Young 41:08bf3ea5eba4 233 DigitsDisplay.Display_2D_Blank();
Charles David Young 34:10550b327e3d 234 break;
Charles David Young 38:1642320d83a0 235 case VOLUME:
Charles David Young 34:10550b327e3d 236 case DIM:
Charles David Young 34:10550b327e3d 237 default:
Charles David Young 34:10550b327e3d 238 break;
Charles David Young 34:10550b327e3d 239 }
Charles David Young 16:b2e77eb76ab4 240 }
Charles David Young 16:b2e77eb76ab4 241
Charles David Young 16:b2e77eb76ab4 242 void UpdateInput()
charlesdavidyoung 24:db7494389c03 243 {
charlesdavidyoung 24:db7494389c03 244 // This must be called periodically to monitor switch input
Charles David Young 38:1642320d83a0 245 direction = ModeSwitch.UpdateInput();
Charles David Young 34:10550b327e3d 246 currentMode = ModeSwitch.GetPosition();
Charles David Young 34:10550b327e3d 247
Charles David Young 34:10550b327e3d 248 switch (currentMode) {
Charles David Young 34:10550b327e3d 249 case CNT1:
Charles David Young 34:10550b327e3d 250 case CNT2:
Charles David Young 44:a26ca542ae5e 251 currentModeToDisplay = currentMode;
Charles David Young 44:a26ca542ae5e 252
Charles David Young 71:fe799147584b 253 if (direction > 0)
Charles David Young 44:a26ca542ae5e 254 {
Charles David Young 44:a26ca542ae5e 255 }
Charles David Young 44:a26ca542ae5e 256 else
Charles David Young 71:fe799147584b 257 if (direction < 0)
Charles David Young 44:a26ca542ae5e 258 {
Charles David Young 44:a26ca542ae5e 259 }
Charles David Young 44:a26ca542ae5e 260 break;
Charles David Young 34:10550b327e3d 261 case PROSPECT:
Charles David Young 34:10550b327e3d 262 case VOLTS:
Charles David Young 38:1642320d83a0 263 currentModeToDisplay = currentMode;
Charles David Young 34:10550b327e3d 264 break;
Charles David Young 34:10550b327e3d 265 case NULL1:
Charles David Young 37:6f7bb913e08b 266 case NULL2:
Charles David Young 34:10550b327e3d 267 break;
Charles David Young 38:1642320d83a0 268 case VOLUME:
Charles David Young 39:dee91966b45c 269 if ( (direction > 0)
Charles David Young 39:dee91966b45c 270 && (volume < maxVolume))
Charles David Young 39:dee91966b45c 271 volume++;
Charles David Young 39:dee91966b45c 272 else
Charles David Young 39:dee91966b45c 273 if ( (direction < 0)
Charles David Young 39:dee91966b45c 274 && (volume > 0))
Charles David Young 39:dee91966b45c 275 volume--;
Charles David Young 39:dee91966b45c 276
Charles David Young 38:1642320d83a0 277 DigitsDisplay.Display_2D_write(volume);
Charles David Young 34:10550b327e3d 278 break;
Charles David Young 34:10550b327e3d 279 case DIM:
Charles David Young 39:dee91966b45c 280 if (direction > 0)
Charles David Young 39:dee91966b45c 281 DigitsDisplay.Display_brightness_up();
Charles David Young 39:dee91966b45c 282 else
Charles David Young 39:dee91966b45c 283 if (direction < 0)
Charles David Young 39:dee91966b45c 284 DigitsDisplay.Display_brightness_down();
Charles David Young 39:dee91966b45c 285
Charles David Young 38:1642320d83a0 286 DigitsDisplay.Display_2D_write(DigitsDisplay.GetBrightness());
Charles David Young 34:10550b327e3d 287 break;
Charles David Young 34:10550b327e3d 288 default:
Charles David Young 34:10550b327e3d 289 break;
charlesdavidyoung 24:db7494389c03 290 }
Charles David Young 34:10550b327e3d 291
Charles David Young 65:5f087e22a9d1 292 // ADC_val = KEYB.read(); // read voltage from keyboard
Charles David Young 65:5f087e22a9d1 293 // if ( (ADC_val<0.1) // START/STOP pushbutton pressed
Charles David Young 65:5f087e22a9d1 294 // && (!StartStopPressed))
Charles David Young 65:5f087e22a9d1 295 // {
Charles David Young 65:5f087e22a9d1 296 // StartStopPressed = true;
Charles David Young 65:5f087e22a9d1 297 // if (Stopped)
Charles David Young 65:5f087e22a9d1 298 // {
Charles David Young 65:5f087e22a9d1 299 // // Enable interrupts on rising edge of digital inputs TRIG1 & TRIG2
Charles David Young 65:5f087e22a9d1 300 // TRIG1.rise(&Count1_up);
Charles David Young 65:5f087e22a9d1 301 // TRIG2.rise(&Count2_up);
Charles David Young 65:5f087e22a9d1 302 // }
Charles David Young 65:5f087e22a9d1 303 // Stopped=!Stopped; // toggle status
Charles David Young 65:5f087e22a9d1 304 // }
Charles David Young 65:5f087e22a9d1 305 // else
Charles David Young 65:5f087e22a9d1 306 // StartStopPressed = false;
charlesdavidyoung 5:4f90b458dbdf 307
Charles David Young 65:5f087e22a9d1 308 // if((ADC_val>0.6)&&(ADC_val<0.7)) // CLEAR pushbutton pressed
Charles David Young 65:5f087e22a9d1 309 // {
Charles David Young 65:5f087e22a9d1 310 // Count1 = 0; // clear counters
Charles David Young 65:5f087e22a9d1 311 // Count2 = 0;
Charles David Young 65:5f087e22a9d1 312 // }
Charles David Young 57:f4215ca747e5 313 //logToPC();
Charles David Young 16:b2e77eb76ab4 314 return;
Charles David Young 16:b2e77eb76ab4 315 }
walter76 1:75827d765e34 316
walter76 0:6d1742703713 317 //---------------------------------------------------------------------------
walter76 1:75827d765e34 318 // Increment CNT1 every time a rising edge is detected on TRIG1 (interrupt)
walter76 1:75827d765e34 319
walter76 1:75827d765e34 320 void Count1_up(void)
walter76 1:75827d765e34 321 {
Charles David Young 33:35e3ab4d5ba7 322 //Beep();
Charles David Young 28:c81d00ec28a3 323 Count1++;
Charles David Young 28:c81d00ec28a3 324 return;
walter76 1:75827d765e34 325 }
walter76 1:75827d765e34 326
walter76 1:75827d765e34 327 //---------------------------------------------------------------------------
walter76 1:75827d765e34 328 // Increment CNT1 every time a rising edge is detected on TRIG2 (interrupt)
walter76 1:75827d765e34 329
walter76 1:75827d765e34 330 void Count2_up(void)
walter76 1:75827d765e34 331 {
Charles David Young 33:35e3ab4d5ba7 332 //Beep();
Charles David Young 28:c81d00ec28a3 333 Count2++;
Charles David Young 28:c81d00ec28a3 334 return;
walter76 1:75827d765e34 335 }
walter76 1:75827d765e34 336
walter76 1:75827d765e34 337
walter76 1:75827d765e34 338 //---------------------------------------------------------------------------
walter76 1:75827d765e34 339 //Generates a short beep via BUZZ
walter76 1:75827d765e34 340
walter76 1:75827d765e34 341 void Beep(void)
walter76 1:75827d765e34 342 {
Charles David Young 28:c81d00ec28a3 343 BUZZ = 1; // turn-on the buzzer
Charles David Young 33:35e3ab4d5ba7 344 wait_us(100); // wait
Charles David Young 28:c81d00ec28a3 345 BUZZ = 0; // turn-off the buzzer
Charles David Young 28:c81d00ec28a3 346 return;
walter76 0:6d1742703713 347 }
walter76 0:6d1742703713 348
walter76 1:75827d765e34 349 //-------- END OF FILE --------------
walter76 1:75827d765e34 350 //==============================================================================