tatiuc embedded / Mbed 2 deprecated rsm_ver_2_1_3oled

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Dependencies:   mbed oled_ssd1306_1-3inch

Fork of Nucleo_i2c_OLED1234 by joseph chen

main.cpp@2:45b51e456076, 2017-11-02 (annotated)

Committer:
mijimy
Date:
Thu Nov 02 08:16:07 2017 +0000
Revision:
2:45b51e456076
Parent:
1:d349d4271837 
RSM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mijimy 2:45b51e456076 1
ittraining 0:94c1a94c5a47 2 #include "mbed.h"
ittraining 0:94c1a94c5a47 3 #include "I2C_SSD1306Z.h"
mijimy 1:d349d4271837 4 #include "logo.h"
ittraining 0:94c1a94c5a47 5
ittraining 0:94c1a94c5a47 6 I2C i2c(I2C_SDA, I2C_SCL);
mijimy 1:d349d4271837 7
ittraining 0:94c1a94c5a47 8
mijimy 2:45b51e456076 9 InterruptIn speedsig(D2); //define and name the interrupt input
mijimy 2:45b51e456076 10 InterruptIn rpmsig(D3); //define and name the interrupt input
mijimy 2:45b51e456076 11 DigitalOut pulse(D13);
mijimy 2:45b51e456076 12 DigitalOut pulse1(D12);
mijimy 1:d349d4271837 13 float t_period = 0; // This is the period between interrupts in microseconds
mijimy 1:d349d4271837 14 Timer t,tr;
mijimy 1:d349d4271837 15 long timing,timingr,oldvalue,oldtiming,speed=0;
mijimy 1:d349d4271837 16 int count1=0,count2=0;
mijimy 1:d349d4271837 17 //P//wmOut output(led);
mijimy 1:d349d4271837 18 void ISR1() { //this is the response to interrupt, i.e. the ISR
mijimy 1:d349d4271837 19 if(speed<175)
mijimy 1:d349d4271837 20 { pulse=1;
mijimy 1:d349d4271837 21 pulse1=1;
mijimy 1:d349d4271837 22 }
mijimy 1:d349d4271837 23 else
mijimy 1:d349d4271837 24 { count1++;
mijimy 1:d349d4271837 25 if(count1>1)
mijimy 1:d349d4271837 26 { pulse=1;
mijimy 1:d349d4271837 27 pulse1=1;
mijimy 1:d349d4271837 28 count1=0;
mijimy 1:d349d4271837 29 }
mijimy 1:d349d4271837 30 }
mijimy 1:d349d4271837 31 timing=t.read_us();
mijimy 1:d349d4271837 32 }
mijimy 1:d349d4271837 33 void ISR2() { //this is the response to interrupt, i.e. the ISR
mijimy 1:d349d4271837 34 if(speed<175)
mijimy 1:d349d4271837 35 { pulse=0;
mijimy 1:d349d4271837 36 pulse1=0;
mijimy 1:d349d4271837 37 }
mijimy 1:d349d4271837 38 else
mijimy 1:d349d4271837 39 { count2++;
mijimy 1:d349d4271837 40 if(count2>1)
mijimy 1:d349d4271837 41 { pulse=0;
mijimy 1:d349d4271837 42 pulse1=0;
mijimy 1:d349d4271837 43 count2=0;
mijimy 1:d349d4271837 44 }
mijimy 1:d349d4271837 45 }
mijimy 1:d349d4271837 46 t.reset();
mijimy 1:d349d4271837 47 }
mijimy 1:d349d4271837 48
mijimy 1:d349d4271837 49 void ISR3() { //this is the response to interrupt, i.e. the ISR
mijimy 1:d349d4271837 50 timingr=tr.read_us();
mijimy 1:d349d4271837 51 tr.reset();
mijimy 1:d349d4271837 52 }
ittraining 0:94c1a94c5a47 53
ittraining 0:94c1a94c5a47 54 int main()
ittraining 0:94c1a94c5a47 55 {
mijimy 1:d349d4271837 56 char buffer [20];
mijimy 2:45b51e456076 57 speedsig.fall(&ISR1); // attach the address of the ISR function to the
mijimy 1:d349d4271837 58 speedsig.rise(&ISR2); // attach the address of the ISR function to the
mijimy 1:d349d4271837 59 rpmsig.rise(&ISR3); // attach the address of the ISR function to the
mijimy 1:d349d4271837 60 wait(0.5);
mijimy 1:d349d4271837 61 t.start(); //start timer
mijimy 1:d349d4271837 62 tr.start();
mijimy 1:d349d4271837 63 Init_LCD();
mijimy 1:d349d4271837 64 draw_LCD(NISSAN);
mijimy 1:d349d4271837 65 wait(2.0);
mijimy 1:d349d4271837 66 clear_LCD();
mijimy 1:d349d4271837 67 print_Line(0, " Speed and Rev");
mijimy 1:d349d4271837 68 print_Line(1, " Meter ");
mijimy 1:d349d4271837 69 print_Line(2, " by: Miji");
mijimy 1:d349d4271837 70 print_Line(3, " ************* ");
mijimy 1:d349d4271837 71 wait(2.0);
mijimy 1:d349d4271837 72 clear_LCD();
mijimy 1:d349d4271837 73 draw_LCD(B13);
mijimy 1:d349d4271837 74 wait(2.0);
mijimy 1:d349d4271837 75 clear_LCD();
mijimy 1:d349d4271837 76 while(1) {
mijimy 1:d349d4271837 77 int rpm=30000000/timingr;
mijimy 1:d349d4271837 78 long freq_m=100000000/(timing*4);
mijimy 1:d349d4271837 79 speed=(freq_m*63)/1067;
mijimy 1:d349d4271837 80 if(tr.read()>0.3f) // timeout
mijimy 1:d349d4271837 81 rpm=0;
mijimy 1:d349d4271837 82 if(t.read()>0.8f) // timeout
mijimy 1:d349d4271837 83 speed=0;
mijimy 1:d349d4271837 84 if(speed<2 || speed>300)
mijimy 1:d349d4271837 85 speed=0;
mijimy 1:d349d4271837 86 sprintf(buffer,"Speed: %3d kmh " ,speed);
mijimy 1:d349d4271837 87 print_Line(0, buffer);
mijimy 1:d349d4271837 88 if(rpm<300 || rpm >10000)
mijimy 1:d349d4271837 89 rpm=0;
mijimy 1:d349d4271837 90 sprintf(buffer,"Rev: %5d rpm" ,rpm);
mijimy 1:d349d4271837 91 print_Line(2, buffer);
mijimy 1:d349d4271837 92 wait(0.3);
mijimy 1:d349d4271837 93
mijimy 1:d349d4271837 94 }
mijimy 1:d349d4271837 95 }
ittraining 0:94c1a94c5a47 96
mijimy 1:d349d4271837 97 /*
mijimy 1:d349d4271837 98 int main()
mijimy 1:d349d4271837 99 {
mijimy 1:d349d4271837 100 confSysClock(); //Configure system clock (72MHz HSE clock, 48MHz USB clock)
ittraining 0:94c1a94c5a47 101
ittraining 0:94c1a94c5a47 102 printf("init oled\n");
ittraining 0:94c1a94c5a47 103
ittraining 0:94c1a94c5a47 104 Init_LCD();
ittraining 0:94c1a94c5a47 105 clear_LCD();
ittraining 0:94c1a94c5a47 106
ittraining 0:94c1a94c5a47 107 while (1) {
ittraining 0:94c1a94c5a47 108
ittraining 0:94c1a94c5a47 109
mijimy 1:d349d4271837 110 draw_LCD(B13);
ittraining 0:94c1a94c5a47 111 wait(2.0);
ittraining 0:94c1a94c5a47 112 clear_LCD();
ittraining 0:94c1a94c5a47 113 print_Line(0, "IT Maker Space");
ittraining 0:94c1a94c5a47 114 print_Line(1, "ARM mbed RTOS");
ittraining 0:94c1a94c5a47 115 print_Line(2, "ST Micro");
ittraining 0:94c1a94c5a47 116 print_Line(3, "ittraining.com");
ittraining 0:94c1a94c5a47 117 wait(2.0);
ittraining 0:94c1a94c5a47 118 clear_LCD();
ittraining 0:94c1a94c5a47 119
ittraining 0:94c1a94c5a47 120 }
ittraining 0:94c1a94c5a47 121
mijimy 1:d349d4271837 122 }*/
ittraining 0:94c1a94c5a47 123
ittraining 0:94c1a94c5a47 124