BDG / Mbed OS Thread_Communication_V2

Buffer working with LCD, Serial and SD Card

Dependencies:   BMP280

Fork of Thread_Communication by BDG

main.cpp@2:28d12a3db239, 2017-12-14 (annotated)

Committer:
GeorgeJourneaux
Date:
Thu Dec 14 15:44:49 2017 +0000
Revision:
2:28d12a3db239
Parent:
1:bca9993a0df3
Child:
3:73497379c0cb
Sample, LCD and Serial CMDs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
benparkes 0:cb3a5c15b01e 1 #include "mbed.h"
benparkes 0:cb3a5c15b01e 2 #include "main.h"
benparkes 0:cb3a5c15b01e 3
benparkes 0:cb3a5c15b01e 4
benparkes 0:cb3a5c15b01e 5
benparkes 0:cb3a5c15b01e 6
benparkes 0:cb3a5c15b01e 7 LCD lcd(PD_15, PF_12, PF_13, PE_9, PF_14, PF_15);
benparkes 0:cb3a5c15b01e 8
benparkes 0:cb3a5c15b01e 9 BMP280 Sensor(D14, D15);
benparkes 0:cb3a5c15b01e 10 void PrintLCD ();
GeorgeJourneaux 2:28d12a3db239 11 void Rx_interrupt();
GeorgeJourneaux 2:28d12a3db239 12 void Serial_CMD();
GeorgeJourneaux 2:28d12a3db239 13
GeorgeJourneaux 2:28d12a3db239 14 volatile int rx_in=0;
GeorgeJourneaux 2:28d12a3db239 15 char rx_line[80];
GeorgeJourneaux 2:28d12a3db239 16 int s_cmd = 0;
benparkes 0:cb3a5c15b01e 17
benparkes 1:bca9993a0df3 18 /* Mail */
benparkes 1:bca9993a0df3 19 typedef struct {
benparkes 1:bca9993a0df3 20 float LDR_Value;
benparkes 1:bca9993a0df3 21 float temp_Value;
benparkes 1:bca9993a0df3 22 float press_Value;
benparkes 1:bca9993a0df3 23 } mail_t;
benparkes 1:bca9993a0df3 24
benparkes 1:bca9993a0df3 25 Mail<mail_t, 16> mail_box;
benparkes 0:cb3a5c15b01e 26
benparkes 0:cb3a5c15b01e 27
benparkes 0:cb3a5c15b01e 28 Thread t1;
benparkes 0:cb3a5c15b01e 29 Thread t2;
GeorgeJourneaux 2:28d12a3db239 30 Thread S_CMD;
benparkes 0:cb3a5c15b01e 31
benparkes 0:cb3a5c15b01e 32 void PrintLCD () {
benparkes 0:cb3a5c15b01e 33
benparkes 0:cb3a5c15b01e 34 int i = 0;
benparkes 0:cb3a5c15b01e 35 while(1){
benparkes 1:bca9993a0df3 36 char lightString[16];
benparkes 1:bca9993a0df3 37 char tempString[16];
benparkes 1:bca9993a0df3 38 char pressString[16];
benparkes 1:bca9993a0df3 39
benparkes 1:bca9993a0df3 40
benparkes 0:cb3a5c15b01e 41 lcd.Clear();
benparkes 0:cb3a5c15b01e 42 lcd.RowSelect(0);
benparkes 1:bca9993a0df3 43
benparkes 0:cb3a5c15b01e 44 switch (i){
GeorgeJourneaux 2:28d12a3db239 45 case 0:
GeorgeJourneaux 2:28d12a3db239 46 osEvent evt = mail_box.get();
benparkes 1:bca9993a0df3 47
GeorgeJourneaux 2:28d12a3db239 48 if (evt.status == osEventMail) {
GeorgeJourneaux 2:28d12a3db239 49 mail_t *mail = (mail_t*)evt.value.p;
benparkes 0:cb3a5c15b01e 50
GeorgeJourneaux 2:28d12a3db239 51 sprintf(lightString,"%.4f", mail->LDR_Value);
GeorgeJourneaux 2:28d12a3db239 52 sprintf(tempString,"%2.2f", mail->temp_Value);
GeorgeJourneaux 2:28d12a3db239 53 sprintf(pressString,"%4.2f", mail->press_Value);
benparkes 1:bca9993a0df3 54
GeorgeJourneaux 2:28d12a3db239 55 mail_box.free(mail);
GeorgeJourneaux 2:28d12a3db239 56 }
benparkes 1:bca9993a0df3 57
GeorgeJourneaux 2:28d12a3db239 58 lcd.Write("Light Level:");
GeorgeJourneaux 2:28d12a3db239 59 lcd.RowSelect(1);
GeorgeJourneaux 2:28d12a3db239 60 lcd.Write(lightString);
GeorgeJourneaux 2:28d12a3db239 61 i++;
GeorgeJourneaux 2:28d12a3db239 62
benparkes 0:cb3a5c15b01e 63 break;
GeorgeJourneaux 2:28d12a3db239 64
GeorgeJourneaux 2:28d12a3db239 65 case 1:
benparkes 1:bca9993a0df3 66
GeorgeJourneaux 2:28d12a3db239 67 lcd.Write("Temperature:");
GeorgeJourneaux 2:28d12a3db239 68 lcd.RowSelect(1);
GeorgeJourneaux 2:28d12a3db239 69 lcd.Write(tempString);
GeorgeJourneaux 2:28d12a3db239 70 i++;
benparkes 0:cb3a5c15b01e 71
benparkes 0:cb3a5c15b01e 72 break;
benparkes 0:cb3a5c15b01e 73
GeorgeJourneaux 2:28d12a3db239 74 case 2:
benparkes 1:bca9993a0df3 75
GeorgeJourneaux 2:28d12a3db239 76 lcd.Write("Pressure:");
GeorgeJourneaux 2:28d12a3db239 77 lcd.RowSelect(1);
GeorgeJourneaux 2:28d12a3db239 78 lcd.Write(pressString);
GeorgeJourneaux 2:28d12a3db239 79 i =0;
GeorgeJourneaux 2:28d12a3db239 80
benparkes 0:cb3a5c15b01e 81 break;
GeorgeJourneaux 2:28d12a3db239 82
GeorgeJourneaux 2:28d12a3db239 83 default:
GeorgeJourneaux 2:28d12a3db239 84
GeorgeJourneaux 2:28d12a3db239 85 i = 0;
GeorgeJourneaux 2:28d12a3db239 86
benparkes 0:cb3a5c15b01e 87 break;
benparkes 0:cb3a5c15b01e 88 }
benparkes 0:cb3a5c15b01e 89
GeorgeJourneaux 2:28d12a3db239 90 Red_int = !Red_int;
benparkes 1:bca9993a0df3 91
benparkes 0:cb3a5c15b01e 92 Thread::wait (5000);
GeorgeJourneaux 2:28d12a3db239 93 }
benparkes 0:cb3a5c15b01e 94 }
benparkes 0:cb3a5c15b01e 95
benparkes 0:cb3a5c15b01e 96
benparkes 0:cb3a5c15b01e 97 int main() {
benparkes 0:cb3a5c15b01e 98
benparkes 0:cb3a5c15b01e 99 t1.start(PrintLCD);
GeorgeJourneaux 2:28d12a3db239 100
GeorgeJourneaux 2:28d12a3db239 101 pc.baud(9600);
GeorgeJourneaux 2:28d12a3db239 102 pc.attach(&Rx_interrupt, Serial::RxIrq);
GeorgeJourneaux 2:28d12a3db239 103 S_CMD.start(Serial_CMD);
benparkes 1:bca9993a0df3 104
benparkes 0:cb3a5c15b01e 105 while(1) {
benparkes 1:bca9993a0df3 106 Green_int = !Green_int;
benparkes 1:bca9993a0df3 107
benparkes 1:bca9993a0df3 108 mail_t *mail = mail_box.alloc();
benparkes 1:bca9993a0df3 109 mail->LDR_Value = LDR_In.read();
benparkes 1:bca9993a0df3 110 mail->temp_Value = Sensor.getTemperature();
benparkes 1:bca9993a0df3 111 mail->press_Value = Sensor.getPressure();
GeorgeJourneaux 2:28d12a3db239 112 mail_box.put(mail);
benparkes 0:cb3a5c15b01e 113
benparkes 1:bca9993a0df3 114 Thread::wait (15000);
benparkes 0:cb3a5c15b01e 115 }
benparkes 0:cb3a5c15b01e 116
benparkes 0:cb3a5c15b01e 117 }
benparkes 0:cb3a5c15b01e 118
GeorgeJourneaux 2:28d12a3db239 119 void Rx_interrupt() {
GeorgeJourneaux 2:28d12a3db239 120
GeorgeJourneaux 2:28d12a3db239 121 while (pc.readable()) {
GeorgeJourneaux 2:28d12a3db239 122 rx_line[rx_in] = pc.getc();
GeorgeJourneaux 2:28d12a3db239 123 pc.putc(rx_line[rx_in]);
GeorgeJourneaux 2:28d12a3db239 124
GeorgeJourneaux 2:28d12a3db239 125 if(rx_line[rx_in] == 0xD){
GeorgeJourneaux 2:28d12a3db239 126 s_cmd = 1;
GeorgeJourneaux 2:28d12a3db239 127 }
GeorgeJourneaux 2:28d12a3db239 128 else{
GeorgeJourneaux 2:28d12a3db239 129 rx_in = (rx_in + 1);
GeorgeJourneaux 2:28d12a3db239 130 }
GeorgeJourneaux 2:28d12a3db239 131 }
GeorgeJourneaux 2:28d12a3db239 132 }
benparkes 0:cb3a5c15b01e 133
GeorgeJourneaux 2:28d12a3db239 134 void Serial_CMD(){
GeorgeJourneaux 2:28d12a3db239 135
GeorgeJourneaux 2:28d12a3db239 136 while(1){
GeorgeJourneaux 2:28d12a3db239 137 if(s_cmd == 1){
GeorgeJourneaux 2:28d12a3db239 138 pc.attach(NULL, Serial::RxIrq);
benparkes 0:cb3a5c15b01e 139
GeorgeJourneaux 2:28d12a3db239 140 if(strstr(rx_line, "READ ALL")){
GeorgeJourneaux 2:28d12a3db239 141 pc.printf("READ ALL\n\r");
GeorgeJourneaux 2:28d12a3db239 142 }
GeorgeJourneaux 2:28d12a3db239 143 else if(strstr(rx_line, "DELETE ALL")){
GeorgeJourneaux 2:28d12a3db239 144 pc.printf("DELETE ALL\n\r");
GeorgeJourneaux 2:28d12a3db239 145 }
GeorgeJourneaux 2:28d12a3db239 146 else if(strstr(rx_line, "READ")){
GeorgeJourneaux 2:28d12a3db239 147 pc.printf("READ\n\r");
GeorgeJourneaux 2:28d12a3db239 148 }
GeorgeJourneaux 2:28d12a3db239 149 else if(strstr(rx_line, "DELETE")){
GeorgeJourneaux 2:28d12a3db239 150 pc.printf("SETDATE\n\r");
GeorgeJourneaux 2:28d12a3db239 151 }
GeorgeJourneaux 2:28d12a3db239 152 else if(strstr(rx_line, "SETTIME")){
GeorgeJourneaux 2:28d12a3db239 153 pc.printf("SETTIME\n\r");
GeorgeJourneaux 2:28d12a3db239 154 }
GeorgeJourneaux 2:28d12a3db239 155 else if(strstr(rx_line, "SETT")){
GeorgeJourneaux 2:28d12a3db239 156 pc.printf("SETT\n\r");
GeorgeJourneaux 2:28d12a3db239 157 }
GeorgeJourneaux 2:28d12a3db239 158 else if(strstr(rx_line, "STATE")){
GeorgeJourneaux 2:28d12a3db239 159 pc.printf("STATE\n\r");
GeorgeJourneaux 2:28d12a3db239 160 }
GeorgeJourneaux 2:28d12a3db239 161 else if(strstr(rx_line, "LOGGING")){
GeorgeJourneaux 2:28d12a3db239 162 pc.printf("LOGGING\n\r");
GeorgeJourneaux 2:28d12a3db239 163 }
GeorgeJourneaux 2:28d12a3db239 164 else{
GeorgeJourneaux 2:28d12a3db239 165 pc.printf("ERROR\n\r");
GeorgeJourneaux 2:28d12a3db239 166 }
GeorgeJourneaux 2:28d12a3db239 167
GeorgeJourneaux 2:28d12a3db239 168 memset(rx_line, NULL, 80);
GeorgeJourneaux 2:28d12a3db239 169 rx_in = 0;
GeorgeJourneaux 2:28d12a3db239 170
GeorgeJourneaux 2:28d12a3db239 171 pc.attach(&Rx_interrupt, Serial::RxIrq);
GeorgeJourneaux 2:28d12a3db239 172 s_cmd = 0;
GeorgeJourneaux 2:28d12a3db239 173 }
GeorgeJourneaux 2:28d12a3db239 174 Thread::wait(5);
GeorgeJourneaux 2:28d12a3db239 175 }
GeorgeJourneaux 2:28d12a3db239 176 }