![](/media/cache/profiles/acab0116c354964a558e65bdd07ff047.jpg.50x50_q85.jpg)
test
Dependencies: CheckRTC LPS25H hts221
Fork of ELEC350-extended-referral2 by
main.cpp
- Committer:
- spanesar
- Date:
- 2017-11-22
- Revision:
- 44:ca34a376a17c
- Parent:
- 43:a9682b81632b
- Child:
- 45:fac0d195fc65
File content as of revision 44:ca34a376a17c:
#include "mbed.h" #include "rtos.h" #include "hts221.h" #include "LPS25H.h" #include <sstream> #define READALL_OFF 1 #define SETTIME_OFF 2 #define SETT_OFF 4 #define READ_OFF 7 #define ALL_OFF 9 DigitalOut myled(LED1); I2C i2c2(I2C_SDA, I2C_SCL); Serial pc(USBTX, USBRX); float tempCelsius = 25.50; float humi = 55; int humiMax = 100; char buffer_str=0; uint32_t seconds = 0, minutes=0, hours=0; Ticker t; volatile static unsigned short sample16 = 0; void doSample1Hz(); int count = 0; char *buf; size_t sz; typedef struct { float temp; float press; float humid; } measurement; measurement buffer [120]; LPS25H barometer(i2c2, LPS25H_V_CHIP_ADDR); HTS221 humidity(I2C_SDA, I2C_SCL); void function1(); Thread t1; osThreadId idMain; osThreadId id1; osThreadId id2; osThreadId id3; osThreadId id4; void function1() {//begin function while (true) {//begin while true char buffer [128]; scanf("%127s", buffer); string buffer_str(buffer); char date [32]; strftime(date, 32, "%Y/%m/%d %a", localtime(&seconds)); char time [32]; strftime(time, 32, "%H:%M:%S %p", localtime(&seconds)); if(buffer_str=="READALL") {//begin if buffer readall humidity.ReadTempHumi(&tempCelsius, &humi); // reads temperature and humity levels barometer.get(); // gets barometer readings // displays all the variables of time, date, temperature, humidity and all the barometric readings to the serial printf("%s, %s, %4.2fC , %3.1f%%, %6.1f, %4.1f\n\r", time, date, tempCelsius, humi, barometer.pressure(), barometer.temperature()); myled = 1; // LED is ON Thread::wait(200); // 200 ms NB 'Thread::wait(int d);' !!! d is in milliseconds! myled = 0; // LED is OFF t1.signal_set(READALL_OFF); }//end if buffer readall Thread::wait(200); //Thread::signal_wait(READALL_OFF); if(buffer_str=="SETTIME") {// begin if buffer settime set_time(1508268288); printf("time and date updated to %s %s\n\r", time, date); myled = 1; Thread::wait(200); myled = 0; t1.signal_set(SETTIME_OFF); }//end if buffer settime Thread::wait(200); //Thread::signal_wait(SETTIME_OFF); if(buffer_str=="SETT") // begin if buffer sett for (count = 0; count < 5; count++) { sz = snprintf(NULL, 0,"%s, %s, %4.2fC , %3.1f%%, %6.1f, %4.1f\n\r", time, date, tempCelsius, humi, barometer.pressure(), barometer.temperature()); buf = (char *)malloc(sz + 1); snprintf(buf, sz + 1, "%s, %s, %4.2fC , %3.1f%%, %6.1f, %4.1f\n\r", time, date, tempCelsius, humi, barometer.pressure(), barometer.temperature()); printf("%s\n\r",buf); printf("written to memory\n\r"); myled = 1; Thread::wait(200); myled = 0; t1.signal_set(SETT_OFF); } //end if buffer sett Thread::wait(200); //Thread::signal_wait(SETT_OFF); if(buffer_str=="READ") { //begin if buffer read printf("%s\n\r", buf); myled = 1; Thread::wait(200); myled = 0; osSignalSet(idMain, ALL_OFF); }//end if buffer read Thread::wait(200); }//end while true }//end function int main() { pc.baud(9600); //sets baud rate to 9600 time_t seconds = time(NULL); idMain = osThreadGetId(); t1.start(function1); id1 = t1.gettid(); humidity.init(); humidity.calib(); printf("Type SETTIME to set time and date [enter] \n\r"); printf("Type SETT to start sampling [ENTER]\n\r"); printf("Type DELETEALL to delete sensor data [enter]\n\r"); printf("Type READALL [enter]\n\r"); printf("Type READ to read sensor data in memory [ENTER]\n\r"); while(1) { char buffer [128]; scanf("%127s", buffer); string buffer_str(buffer); osSignalWait(ALL_OFF,osWaitForever); } }