main.cpp

00001 //**********************
00002 // Barometer and Temperature for mbed
00003 //
00004 // LPC1768 flash=512KB
00005 // LPC11U35 flash=64KB
00006 //
00007 // (C)Copyright 2014 All rights reserved by Y.Onodera
00008 // http://einstlab.web.fc2.com
00009 //**********************
00010 #include "mbed.h"
00011 #include "AQM0802.h"
00012 #include "ADT7410.h"
00013 #include "LPS331.h"
00014 #include "M24LC64.h"
00015 #include "PCF8591.h"
00016 
00017 //#pragma O0
00018 //#pragma O1
00019 //#pragma O2
00020 //#pragma O3
00021 //#pragma Otime
00022 //#pragma Ospace
00023 
00024 // To select functions
00025 //#define EEPROM
00026 //#define ADCON
00027 #define TEMP
00028 #define BAR
00029 
00030 #if defined(TARGET_LPC1768)
00031 DigitalOut led1(LED1);
00032 DigitalOut led2(LED2);
00033 I2C i2c(p28,p27);
00034 #endif
00035 // for TG-LPC11U35-501
00036 #if defined (TARGET_LPC11U35_501)
00037 DigitalOut led1(P0_20);
00038 DigitalOut led2(P0_21);
00039 I2C i2c(P0_5,P0_4);
00040 #endif
00041 // for Nucleo
00042 #if defined (TARGET_NUCLEO_F401RE)
00043 DigitalOut led1(D13);
00044 I2C i2c(D14,D15);
00045 #endif
00046 
00047 AQM0802 lcd(i2c);
00048 #ifdef TEMP
00049 ADT7410 temperature(i2c);
00050 #endif
00051 #ifdef BAR
00052 LPS331 barometer(i2c);
00053 #endif
00054 #ifdef EEPROM
00055 M24LC64 eeprom(i2c);
00056 #endif
00057 #ifdef ADCON
00058 PCF8591 adc(i2c);
00059 #endif
00060 
00061 int main() {
00062     
00063     char msg[10];
00064 #ifdef TEMP
00065     int temp;
00066 #endif
00067 #ifdef BAR
00068     long press;
00069 #endif
00070 #ifdef EEPROM
00071     int l;
00072     unsigned char eep;
00073 #endif
00074 #ifdef ADCON
00075     unsigned char d;
00076 #endif
00077 
00078 //    i2c.frequency(100000);  // default 100Kbps
00079     sprintf(msg, "%d", SystemCoreClock );
00080     lcd.locate(0,0);
00081     lcd.print(msg);
00082     wait_ms(1000);    
00083       
00084     while(1) {
00085 
00086 #ifdef EEPROM
00087         // EEPROM 0x0002=0x5A
00088         eeprom.put(0x0002, 0x5A);
00089 
00090         for(l=0;l<0x1FFF;l++){
00091             // EEPROM for 24LC64
00092             eep=eeprom.get(l);
00093             sprintf(msg,"ADR=%4d",l);
00094             lcd.locate(0,0);
00095             lcd.print(msg);
00096             sprintf(msg,"DAT=%2X  ",eep);
00097             lcd.locate(0,1);
00098             lcd.print(msg);
00099             wait_ms(1000);
00100         }
00101 #endif
00102 
00103 #ifdef ADCON
00104         // A/D for PCF8591
00105         d=adc.get(0x40);  // ch0 with D/A enable
00106 //      d=adc.get(0x01);  // ch1
00107 //      d=adc.get(0x02);  // ch2
00108 //      d=adc.getI2C(0x03);  // ch3
00109         sprintf(msg,"A/D=%3d ",d);
00110         lcd.locate(0,0);
00111         lcd.print(msg);
00112         // D/A for PCF8591
00113         adc.put(0x40, d);
00114         wait_ms(1000);
00115 //        wait(1.0); bug for Nucleo
00116 
00117 #endif
00118 
00119 #ifdef TEMP
00120         // Temperature
00121         temp=temperature.value();
00122 //      temp/=128;  // for C
00123         temp/=13;
00124         sprintf(msg,"%2d.%1dC   ",temp/10,temp%10);
00125         lcd.locate(0,0);
00126         lcd.print(msg);
00127         
00128         led1 = 1;   // off
00129 //        led2 = 1;
00130         wait_ms(500);
00131 #endif
00132 
00133 #ifdef BAR
00134         // Barometer
00135         press=barometer.value();
00136 //      press/=4096;    // for hPa
00137         press/=41;
00138         sprintf(msg,"%dPa ",press);
00139         lcd.locate(0,1);
00140         lcd.print(msg);
00141         
00142         led1 = 0;   // on
00143  //       led2 = 0;
00144         wait_ms(500);
00145 #endif
00146     }
00147 
00148 }
00149