![](/media/cache/profiles/acab0116c354964a558e65bdd07ff047.jpg.50x50_q85.jpg)
test
Dependencies: CheckRTC LPS25H hts221
Fork of ELEC350-extended-referral2 by
Diff: main.cpp
- Revision:
- 39:504f5dc30a33
- Parent:
- 38:10aadcc9a2dd
- Child:
- 40:426cd176ce80
--- a/main.cpp Fri Sep 29 12:21:33 2017 +0000 +++ b/main.cpp Wed Nov 15 11:43:05 2017 +0000 @@ -2,62 +2,113 @@ #include "rtos.h" #include "hts221.h" #include "LPS25H.h" +//#include "CheckRTC.h" + DigitalOut myled(LED1); I2C i2c2(I2C_SDA, I2C_SCL); - +Serial pc(USBTX, USBRX); float tempCelsius = 25.50; float humi = 55; -int humiMax = 100; +int humiMax = 100; char cmd=0; -uint32_t seconds = 0, minutes=0, hours=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; + LPS25H barometer(i2c2, LPS25H_V_CHIP_ADDR); HTS221 humidity(I2C_SDA, I2C_SCL); + + + + int main() - { - humidity.init(); - humidity.calib(); - printf("ELEC350/351 Simple Temperature Humidity and Pressure Sensor Monitor\n\r"); - printf("Using the X-NUCLEO-IKS01A1 shield and mbed-os Libraries\n\r"); - printf("Press A to take a measurement\n\r"); - - aA - while(1) - { - cmd=NULL; - while(cmd==NULL){cmd=getchar();} - if(cmd=='?'){ - printf("SOFT253 simple Temperature Humidity and Pressure Sensor Monitor\n\r"); - printf("Using the X-NUCLEO-IKS01A1 shield and MBED Libraries\n\r"); - - } - if(cmd=='A'){ - humidity.ReadTempHumi(&tempCelsius, &humi); - printf("%4.2fC %3.1f%%", tempCelsius, humi); - barometer.get(); - printf(" %6.1f %4.1f\r\n", 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 - Thread::wait(100); // 100 ms - } - } - } - +{ + pc.baud(9600); //sets baud rate to 9600 + time_t seconds = time(NULL); + char time [32]; + char date [32]; + strftime(time, 32, "%H:%M:%S %p", localtime(&seconds)); + strftime(date, 32, "%Y/%m/%d %a", localtime(&seconds)); + humidity.init(); + humidity.calib(); + //t.attach(doSample1Hz, 1.0); + printf("press T to set time and date \n\r"); + printf("press S to start sampling\n\r"); + printf("press D to delete sensor data\n\r"); + printf("Press A to read all sensor data\n\r"); + printf("Press R to read sensor data in memory\n\r"); + + + -/*#include "mbed.h" - -DigitalOut led1(LED1); + while(1) { -// main() runs in its own thread in the OS -int main() { - while (true) { - led1 = !led1; - wait(0.5); + cmd=NULL; + while(cmd==NULL) { + cmd=getchar(); + } + if(cmd=='?') { + printf("SOFT253 simple Temperature Humidity and Pressure Sensor Monitor\n\r"); + printf("Using the X-NUCLEO-IKS01A1 shield and MBED Libraries\n\r"); + } +/*--------------If 'A' is pressed then all sensor data is diplayed---------------------*/ + if(cmd=='A') { + 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 + Thread::wait(100); // 100 ms + } + /*-------------- if 'T' is pressed then the time and date are set to the UTC below------------------------*/ + if(cmd=='T') { + set_time(1508268288); + printf("time and date updated to %s %s\n\r", time, date); + myled = 1; + Thread::wait(200); + myled = 0; + Thread::wait(100); + } +/*-------------if 's' is pressed, 5 sample of data are taken and stored to the RAM every second-------------------------*/ + if(cmd=='S') { + 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; + Thread::wait(100); + wait(1); + } + if(cmd=='R'){ + printf("%s\n\r", buf); + myled = 1; + Thread::wait(200); + myled = 0; + Thread::wait (100); + } + } } + } -*/ +void doSample1Hz() +{ + //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()); + +}