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fast and effective
Revision 0:8f8e9e2597fa, committed 2015-02-03
- Comitter:
- kevinmark13
- Date:
- Tue Feb 03 18:16:22 2015 +0000
- Commit message:
- Lab3 Part 2
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TMP102.lib Tue Feb 03 18:16:22 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/chris/code/TMP102/#694792b93731
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Feb 03 18:16:22 2015 +0000 @@ -0,0 +1,68 @@ +/* +In this part of the Lab 3, you will make a digital thermometer using the SEN-11931 breakout board as well as the 4-bank seven-segment LED display. + +Study carefully chapter 7 regarding the digital temperature sensor provide in the lab kit, referring to the TMP102 datasheet and SEN-11931 +breakout board schematics (under Weeks 5 & 6 --> Lab 3 Extra Files). + +Design the hardware connection of the SEN-11931, reusing the connection from part I of the this lab, +for the mbed to read the temperature from the SEN-11931 and display the temperature in Fahrenheit degrees on the +LED display in the format of xxx.x. Build your circuit and include all the required information about your hardware design in your lab report. +You will also need to make the decision on whether pull-up resistors are needed. + +Based on the hardware you designed, write a code that takes temperature measurement every 5 seconds and display the temperature in +Fahrenheit degrees on the 4-bank seven-segment LED display. + +Test your digital thermometer and explain your testing process and how you use your test results to confirm that your digital +thermometer functions properly. + +*/ +#include "mbed.h" +#include "TMP102.h" +#include <iostream> + +using namespace std; + +Serial pc(USBTX, USBRX); + +BusOut digselect(p20, p19, p15, p13); +// bus from MSB to LSB: digit4, digit3, digit2, digit1 + +BusOut digit(p26, p28, p25, p18, p16, p23, p27, p14); +// bus from MSB to LSB: dp, g, f, e, d, c, b, a + + +TMP102 temperature(p9, p10, 0x90); //A0 pin is connected to ground + +float digit; +float Ftemp = 0; +float c; + +int main() +{ +c = temperature.read(); + +Ftemp = ( 1.8 * c) + 32; + + while(1) { + + digselect = 0x1; // digit 1 Binary: 0 0 0 1 + wait_ms(1); + digselect = 0x2; //digit 2 Binary: 0 0 1 0 + wait_ms(1); + digselect = 0x4; //digit 3 Binary: 0 1 0 0 + wait_ms(1); + digselect = 0x8; //digit 4 Binary: 1 0 0 0 + wait_ms(1); + + + digit = Ftemp; + Ftemp.digit(); + + wait(1); + printf( "Temperature: %f\n", Ftemp ); + + + } //end while + + +} //end main \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 03 18:16:22 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file