charles young / Mbed 2 deprecated GEO_COUNTER_L432KC

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Dependencies:   mbed

Fork of GEO_COUNTER_L432KC by Geo Electronics "Geo Counter"

main.cpp@0:6d1742703713, 2018-02-13 (annotated)

Committer:
walter76
Date:
Tue Feb 13 13:30:08 2018 +0000
Revision:
0:6d1742703713
Child:
1:75827d765e34
GEO-COUNTER test version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
walter76 0:6d1742703713 1 #include "mbed.h"
walter76 0:6d1742703713 2 #include <string>
walter76 0:6d1742703713 3 #include "max7219.h"
walter76 0:6d1742703713 4 #include "QEI.h"
walter76 0:6d1742703713 5
walter76 0:6d1742703713 6 #define TGATE 1
walter76 0:6d1742703713 7 #define MAX_VAL 999999
walter76 0:6d1742703713 8
walter76 0:6d1742703713 9 InterruptIn TRIG1 (D3); // Counter 1 trigger
walter76 0:6d1742703713 10 InterruptIn TRIG2 (D6); // Counter 2 trigger
walter76 0:6d1742703713 11 PwmOut PWM (D10); // PWM output
walter76 0:6d1742703713 12 DigitalOut BUZZ (D2); // Buzzer
walter76 0:6d1742703713 13 DigitalOut AUX (D2); // AUX control for GPS module
walter76 0:6d1742703713 14 DigitalIn QEIPB (D9); // Quadrature encoder pushbutton
walter76 0:6d1742703713 15
walter76 0:6d1742703713 16 QEI Wheel(D11, D12, NC, 16); // Quadrature encoder
walter76 0:6d1742703713 17 I2C i2c(D4, D5); // I2C port
walter76 0:6d1742703713 18 Ticker Sec_Beat;
walter76 0:6d1742703713 19 Max7219 Display(A6, A5, A4, A3); //LED diplay driver (MOSI, MISO, SCK, SS)
walter76 0:6d1742703713 20 Serial PC(USBTX, USBRX); // Virtual COM via USB
walter76 0:6d1742703713 21 Serial GPS(D1, D0);
walter76 0:6d1742703713 22
walter76 0:6d1742703713 23 // Global variables
walter76 0:6d1742703713 24 uint8_t Digit_Disp[8];
walter76 0:6d1742703713 25 uint16_t Stream;
walter76 0:6d1742703713 26
walter76 0:6d1742703713 27 time_t seconds; // RTC timestamp
walter76 0:6d1742703713 28
walter76 0:6d1742703713 29 unsigned int value = 0;
walter76 0:6d1742703713 30 uint32_t CNT1, CNT2; // pulse counters
walter76 0:6d1742703713 31 uint8_t gate;
walter76 0:6d1742703713 32 char Text[40]="";
walter76 0:6d1742703713 33
walter76 0:6d1742703713 34 // ------------------- Prototypes -----------------------
walter76 0:6d1742703713 35 void RefreshDisplay(void);
walter76 0:6d1742703713 36 void Update(void);
walter76 0:6d1742703713 37 void CNT1_count(void);
walter76 0:6d1742703713 38 void CNT2_count(void);
walter76 0:6d1742703713 39
walter76 0:6d1742703713 40
walter76 0:6d1742703713 41 //==============================================================================
walter76 0:6d1742703713 42 //==============================================================================
walter76 0:6d1742703713 43
walter76 0:6d1742703713 44 int main()
walter76 0:6d1742703713 45 {
walter76 0:6d1742703713 46
walter76 0:6d1742703713 47 PC.baud(115200);
walter76 0:6d1742703713 48 PC.printf("Connected...\n");
walter76 0:6d1742703713 49 GPS.baud(9600);
walter76 0:6d1742703713 50
walter76 0:6d1742703713 51 max7219_configuration_t cfg = {
walter76 0:6d1742703713 52 .device_number = 1,
walter76 0:6d1742703713 53 .decode_mode = 0xFF,
walter76 0:6d1742703713 54 .intensity = Max7219::MAX7219_INTENSITY_F, // max brightness
walter76 0:6d1742703713 55 .scan_limit = Max7219::MAX7219_SCAN_6 // 6 digits
walter76 0:6d1742703713 56 };
walter76 0:6d1742703713 57
walter76 0:6d1742703713 58 Display.init_device(cfg);
walter76 0:6d1742703713 59 Display.enable_device(1);
walter76 0:6d1742703713 60 Display.device_all_on(1);
walter76 0:6d1742703713 61
walter76 0:6d1742703713 62 set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
walter76 0:6d1742703713 63
walter76 0:6d1742703713 64 //RTC::attach(&Update, RTC::Second);
walter76 0:6d1742703713 65 //RTC::detach(RTC::Second);
walter76 0:6d1742703713 66
walter76 0:6d1742703713 67 Wheel.reset(); // clear encoder
walter76 0:6d1742703713 68
walter76 0:6d1742703713 69 PWM.period_ms(3); // set LCD backlight PWM
walter76 0:6d1742703713 70 PWM.write(0.8);
walter76 0:6d1742703713 71 /*
walter76 0:6d1742703713 72 BUZZ.period_ms(30); // set LCD backlight PWM
walter76 0:6d1742703713 73 BUZZ.write(0.2);
walter76 0:6d1742703713 74 */
walter76 0:6d1742703713 75 Sec_Beat.attach(&Update, 1);
walter76 0:6d1742703713 76
walter76 0:6d1742703713 77 // enable & attach interrupts on rising edge of digital inputs
walter76 0:6d1742703713 78 TRIG1.rise(&CNT1_count);
walter76 0:6d1742703713 79 TRIG2.rise(&CNT2_count);
walter76 0:6d1742703713 80
walter76 0:6d1742703713 81
walter76 0:6d1742703713 82 while(1)
walter76 0:6d1742703713 83 {
walter76 0:6d1742703713 84 // do nothing
walter76 0:6d1742703713 85
walter76 0:6d1742703713 86 }
walter76 0:6d1742703713 87 }
walter76 0:6d1742703713 88
walter76 0:6d1742703713 89
walter76 0:6d1742703713 90 // ------------- Refresh Display ------------------------
walter76 0:6d1742703713 91
walter76 0:6d1742703713 92 void RefreshDisplay(void)
walter76 0:6d1742703713 93 {
walter76 0:6d1742703713 94 Display.write_digit(1, 1, Digit_Disp[6]); // device, digit, data
walter76 0:6d1742703713 95 Display.write_digit(1, 2, Digit_Disp[5]); // device, digit, data
walter76 0:6d1742703713 96 Display.write_digit(1, 3, Digit_Disp[4]); // device, digit, data
walter76 0:6d1742703713 97 Display.write_digit(1, 4, Digit_Disp[3]); // device, digit, data
walter76 0:6d1742703713 98 Display.write_digit(1, 5, Digit_Disp[2]); // device, digit, data
walter76 0:6d1742703713 99 Display.write_digit(1, 6, Digit_Disp[1]); // device, digit, data
walter76 0:6d1742703713 100 Display.write_digit(1, 7, Digit_Disp[0]); // device, digit, data
walter76 0:6d1742703713 101
walter76 0:6d1742703713 102 return;
walter76 0:6d1742703713 103 }
walter76 0:6d1742703713 104
walter76 0:6d1742703713 105
walter76 0:6d1742703713 106
walter76 0:6d1742703713 107 //==============================================================================
walter76 0:6d1742703713 108
walter76 0:6d1742703713 109 void Update() // refresh display data
walter76 0:6d1742703713 110 {
walter76 0:6d1742703713 111 char TextString[9];
walter76 0:6d1742703713 112 gate++;
walter76 0:6d1742703713 113
walter76 0:6d1742703713 114 if(QEIPB)
walter76 0:6d1742703713 115 AUX = 1;
walter76 0:6d1742703713 116 else
walter76 0:6d1742703713 117 AUX = 0;
walter76 0:6d1742703713 118
walter76 0:6d1742703713 119 if(gate==TGATE)
walter76 0:6d1742703713 120 {
walter76 0:6d1742703713 121 //value = (int)(CNT1/TGATE);
walter76 0:6d1742703713 122 value = int(Wheel.getPulses());
walter76 0:6d1742703713 123
walter76 0:6d1742703713 124 if(value<MAX_VAL)
walter76 0:6d1742703713 125 {
walter76 0:6d1742703713 126 snprintf(TextString, 8, "%7d", value); // int to string
walter76 0:6d1742703713 127 seconds = time(NULL);
walter76 0:6d1742703713 128 strftime(Text, 50, "%d-%b-%Y %H:%M:%S", localtime(&seconds));
walter76 0:6d1742703713 129 PC.printf("RTC: %s, CNT1: %7d CNT2: %7d\n",Text, CNT1, CNT2);
walter76 0:6d1742703713 130
walter76 0:6d1742703713 131 for(uint8_t i=0; i<7; i++)
walter76 0:6d1742703713 132 {
walter76 0:6d1742703713 133 if(TextString[i]==' ') // blanking empty digits
walter76 0:6d1742703713 134 TextString[i]= 0xFF;
walter76 0:6d1742703713 135 else
walter76 0:6d1742703713 136 TextString[i]=TextString[i]-'0';
walter76 0:6d1742703713 137
walter76 0:6d1742703713 138 Digit_Disp[i] = TextString[i];
walter76 0:6d1742703713 139
walter76 0:6d1742703713 140 }
walter76 0:6d1742703713 141 }
walter76 0:6d1742703713 142
walter76 0:6d1742703713 143 else
walter76 0:6d1742703713 144 {
walter76 0:6d1742703713 145 for(uint8_t i=0; i<7; i++) // all minus
walter76 0:6d1742703713 146 Digit_Disp[i] = 10;
walter76 0:6d1742703713 147 }
walter76 0:6d1742703713 148
walter76 0:6d1742703713 149 RefreshDisplay();
walter76 0:6d1742703713 150
walter76 0:6d1742703713 151 CNT1=0;
walter76 0:6d1742703713 152 CNT2=0;
walter76 0:6d1742703713 153 gate = 0;
walter76 0:6d1742703713 154 }
walter76 0:6d1742703713 155 else
walter76 0:6d1742703713 156 {
walter76 0:6d1742703713 157 value = TGATE - gate;
walter76 0:6d1742703713 158 snprintf(TextString, 8, "%7d", value);
walter76 0:6d1742703713 159 for(uint8_t i=6; i<8; i++)
walter76 0:6d1742703713 160 {
walter76 0:6d1742703713 161 if(TextString[i]==' ') // blanking empty digits
walter76 0:6d1742703713 162 TextString[i]= 0xFF;
walter76 0:6d1742703713 163 else
walter76 0:6d1742703713 164 TextString[i]=TextString[i]-'0';
walter76 0:6d1742703713 165 }
walter76 0:6d1742703713 166
walter76 0:6d1742703713 167 //Digit_Disp[1] = TextString[6];
walter76 0:6d1742703713 168 //Digit_Disp[0] = TextString[7];
walter76 0:6d1742703713 169
walter76 0:6d1742703713 170 RefreshDisplay();
walter76 0:6d1742703713 171 }
walter76 0:6d1742703713 172
walter76 0:6d1742703713 173
walter76 0:6d1742703713 174 return;
walter76 0:6d1742703713 175 }
walter76 0:6d1742703713 176
walter76 0:6d1742703713 177 //---------------------------------------------------------------------------
walter76 0:6d1742703713 178 void CNT1_count(void)
walter76 0:6d1742703713 179 { //function to call upon interrupt
walter76 0:6d1742703713 180 CNT1++; //increment counter object
walter76 0:6d1742703713 181 return;
walter76 0:6d1742703713 182 }
walter76 0:6d1742703713 183
walter76 0:6d1742703713 184
walter76 0:6d1742703713 185 //---------------------------------------------------------------------------
walter76 0:6d1742703713 186 void CNT2_count(void)
walter76 0:6d1742703713 187 { //function to call upon interrupt
walter76 0:6d1742703713 188 CNT2++; //increment counter object
walter76 0:6d1742703713 189 return;
walter76 0:6d1742703713 190 }
walter76 0:6d1742703713 191
walter76 0:6d1742703713 192