Tu Thai / Mbed 2 deprecated GR-PEACH-blinky

Factory-written program for GR-PEACH

Dependencies:   SoftPWM mbed

main.cpp@0:201064615590, 2017-08-02 (annotated)

Committer:
tuthai
Date:
Wed Aug 02 09:41:28 2017 +0000
Revision:
0:201064615590
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tuthai 0:201064615590 1 #include "mbed.h"
tuthai 0:201064615590 2 #include "SoftPWM.h"
tuthai 0:201064615590 3
tuthai 0:201064615590 4 #define LED_ON 1
tuthai 0:201064615590 5 #define LED_OFF 0
tuthai 0:201064615590 6
tuthai 0:201064615590 7 #define TIME_10ms 1
tuthai 0:201064615590 8 #define TIME_20ms 2
tuthai 0:201064615590 9 #define TIME_30ms 3
tuthai 0:201064615590 10 #define TIME_40ms 4
tuthai 0:201064615590 11 #define TIME_50ms 5
tuthai 0:201064615590 12 #define TIME_100ms 10
tuthai 0:201064615590 13 #define TIME_200ms 20
tuthai 0:201064615590 14 #define TIME_500ms 50
tuthai 0:201064615590 15
tuthai 0:201064615590 16 static Ticker flipper; // Tick Timer
tuthai 0:201064615590 17
tuthai 0:201064615590 18 static DigitalOut ledu(LED_USER); // LED-User
tuthai 0:201064615590 19 static SoftPWM ledr(LED_RED); // LED-Red
tuthai 0:201064615590 20 static SoftPWM ledg(LED_GREEN); // LED-Green
tuthai 0:201064615590 21 static SoftPWM ledb(LED_BLUE); // LED-Blue
tuthai 0:201064615590 22
tuthai 0:201064615590 23 static unsigned int syscnt_u; // SystemCounter for LED-User
tuthai 0:201064615590 24 static unsigned int syscnt_r; // SystemCounter for LED-Red
tuthai 0:201064615590 25 static unsigned int syscnt_g; // SystemCounter for LED-Green
tuthai 0:201064615590 26 static unsigned int syscnt_b; // SystemCounter for LED-Blue
tuthai 0:201064615590 27
tuthai 0:201064615590 28 volatile static unsigned int flg_ledu; // LED-User Flag
tuthai 0:201064615590 29 volatile static unsigned int flg_ledr; // LED-Red Flag
tuthai 0:201064615590 30 volatile static unsigned int flg_ledg; // LED-Green Flag
tuthai 0:201064615590 31 volatile static unsigned int flg_ledb; // LED-Blue Flag
tuthai 0:201064615590 32
tuthai 0:201064615590 33 void flip() {
tuthai 0:201064615590 34 // Check 500ms for LED-User
tuthai 0:201064615590 35 syscnt_u++; // increment SystemCounter for LED-User
tuthai 0:201064615590 36 if( syscnt_u >= TIME_500ms ){
tuthai 0:201064615590 37 flg_ledu++;
tuthai 0:201064615590 38 syscnt_u = 0;
tuthai 0:201064615590 39 }
tuthai 0:201064615590 40
tuthai 0:201064615590 41 // Check 10ms for LED-Red
tuthai 0:201064615590 42 syscnt_r++; // increment SystemCounter for LED-Red
tuthai 0:201064615590 43 if( syscnt_r >= TIME_10ms ){
tuthai 0:201064615590 44 flg_ledr++;
tuthai 0:201064615590 45 syscnt_r = 0;
tuthai 0:201064615590 46 }
tuthai 0:201064615590 47
tuthai 0:201064615590 48 // Check 20ms for LED-Green
tuthai 0:201064615590 49 syscnt_g++; // increment SystemCounter for LED-Green
tuthai 0:201064615590 50 if( syscnt_g >= TIME_20ms ){
tuthai 0:201064615590 51 flg_ledg++;
tuthai 0:201064615590 52 syscnt_g = 0;
tuthai 0:201064615590 53 }
tuthai 0:201064615590 54
tuthai 0:201064615590 55 // Check 30ms for LED-Blue
tuthai 0:201064615590 56 syscnt_b++; // increment SystemCounter for LED-Blue
tuthai 0:201064615590 57 if( syscnt_b >= TIME_30ms ){
tuthai 0:201064615590 58 flg_ledb++;
tuthai 0:201064615590 59 syscnt_b = 0;
tuthai 0:201064615590 60 }
tuthai 0:201064615590 61 }
tuthai 0:201064615590 62
tuthai 0:201064615590 63 int main() {
tuthai 0:201064615590 64
tuthai 0:201064615590 65 ledu = LED_OFF; // LED-User Off
tuthai 0:201064615590 66
tuthai 0:201064615590 67 ledr.period_ms(10); // Set PWM Period 10ms
tuthai 0:201064615590 68 ledr = 0.0f; // Set LED-Red Duty
tuthai 0:201064615590 69
tuthai 0:201064615590 70 ledg.period_ms(10); // Set PWM Period 10ms
tuthai 0:201064615590 71 ledg = 0.0f; // Set LED-Green Duty
tuthai 0:201064615590 72
tuthai 0:201064615590 73 ledb.period_ms(10); // Set PWM Period 10ms
tuthai 0:201064615590 74 ledb = 0.0f; // Set LED-Blue Duty
tuthai 0:201064615590 75
tuthai 0:201064615590 76 flg_ledu = 0; // Initialize LED-User Flag
tuthai 0:201064615590 77 flg_ledr = 0; // Initialize LED-Red Flag
tuthai 0:201064615590 78 flg_ledg = 0; // Initialize LED-Green Flag
tuthai 0:201064615590 79 flg_ledb = 0; // Initialize LED-Blue Flag
tuthai 0:201064615590 80
tuthai 0:201064615590 81 syscnt_u = 0; // Initialize System Counter for LED-User
tuthai 0:201064615590 82 syscnt_r = 0; // Initialize System Counter for LED-Red
tuthai 0:201064615590 83 syscnt_g = 0; // Initialize System Counter for LED-Green
tuthai 0:201064615590 84 syscnt_b = 0; // Initialize System Counter for LED-Blue
tuthai 0:201064615590 85
tuthai 0:201064615590 86 unsigned int cntr = 0; // Initialize LED-Red Counter
tuthai 0:201064615590 87 unsigned int cntg = 0; // Initialize LED-Green Counter
tuthai 0:201064615590 88 unsigned int cntb = 0; // Initialize LED-Blue Counter
tuthai 0:201064615590 89
tuthai 0:201064615590 90 int cntrd = 1; // Set LED-Red Counter Direction +1
tuthai 0:201064615590 91 int cntgd = 1; // Set LED-Green Counter Direction +1
tuthai 0:201064615590 92 int cntbd = 1; // Set LED-Blue Counter Direction +1
tuthai 0:201064615590 93
tuthai 0:201064615590 94 unsigned int flg_ledu_last = 0; // Initialize LED-User Flag (last value)
tuthai 0:201064615590 95 unsigned int flg_ledr_last = 0; // Initialize LED-Red Flag (last value)
tuthai 0:201064615590 96 unsigned int flg_ledg_last = 0; // Initialize LED-Green Flag (last value)
tuthai 0:201064615590 97 unsigned int flg_ledb_last = 0; // Initialize LED-Blue Flag (last value)
tuthai 0:201064615590 98
tuthai 0:201064615590 99 flipper.attach_us(&flip, 10000); // TickerTime Set 10ms
tuthai 0:201064615590 100
tuthai 0:201064615590 101 while(1) {
tuthai 0:201064615590 102
tuthai 0:201064615590 103 //----- LED User -----
tuthai 0:201064615590 104 if(flg_ledu_last != flg_ledu) { // Has LED-User Flag been Changed?
tuthai 0:201064615590 105 flg_ledu_last = flg_ledu; // Save current value
tuthai 0:201064615590 106 ledu =!ledu; // Invert LED-User
tuthai 0:201064615590 107 }
tuthai 0:201064615590 108
tuthai 0:201064615590 109 //----- LED Red -----
tuthai 0:201064615590 110 if(flg_ledr_last != flg_ledr) { // Has LED-Red Flag been Changed?
tuthai 0:201064615590 111 flg_ledr_last = flg_ledr; // Save current value
tuthai 0:201064615590 112
tuthai 0:201064615590 113 if(cntr == 0) cntrd = 1; // Set Direction(+1)
tuthai 0:201064615590 114 if(cntr >= 127) cntrd = -1; // Set Direction(-1)
tuthai 0:201064615590 115 cntr += cntrd; // Increment/Decrement Counter
tuthai 0:201064615590 116 ledr = (float)cntr / 128; // Set LED-Red Duty
tuthai 0:201064615590 117 }
tuthai 0:201064615590 118
tuthai 0:201064615590 119 //----- LED Green -----
tuthai 0:201064615590 120 if(flg_ledg_last != flg_ledg) { // Has LED-Green Flag been Changed?
tuthai 0:201064615590 121 flg_ledg_last = flg_ledg; // Save current value
tuthai 0:201064615590 122
tuthai 0:201064615590 123 if(cntg == 0) cntgd = 1; // Set Direction(+1)
tuthai 0:201064615590 124 if(cntg >= 127) cntgd = -1; // Set Direction(-1)
tuthai 0:201064615590 125 cntg += cntgd; // Increment/Decrement Counter
tuthai 0:201064615590 126 ledg = (float)cntg / 128; // Set LED-Green Duty
tuthai 0:201064615590 127 }
tuthai 0:201064615590 128
tuthai 0:201064615590 129 //----- LED Blue -----
tuthai 0:201064615590 130 if(flg_ledb_last != flg_ledb) { // Has LED-Blue Flag been Changed?
tuthai 0:201064615590 131 flg_ledb_last = flg_ledb; // Save current value
tuthai 0:201064615590 132
tuthai 0:201064615590 133 if(cntb == 0) cntbd = 1; // Set Direction(+1)
tuthai 0:201064615590 134 if(cntb >= 127) cntbd = -1; // Set Direction(-1)
tuthai 0:201064615590 135 cntb += cntbd; // Increment/Decrement Counter
tuthai 0:201064615590 136 ledb = (float)cntb / 128; // Set LED-Blue Duty
tuthai 0:201064615590 137 }
tuthai 0:201064615590 138
tuthai 0:201064615590 139 wait_us(1);
tuthai 0:201064615590 140 }
tuthai 0:201064615590 141 }