ATHANASIOS POLITIS
LM74 temperature sensor testing, using PC serial and 20x2 text LCD
Revision 0:e43dcd4f2ed8, committed 2011-03-10
- Comitter:
- atpolitis
- Date:
- Thu Mar 10 18:26:48 2011 +0000
- Commit message:
- First attempt
Changed in this revision
diff -r 000000000000 -r e43dcd4f2ed8 TextLCD.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Thu Mar 10 18:26:48 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#e4cb7ddee0d3
diff -r 000000000000 -r e43dcd4f2ed8 TmpLM74.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TmpLM74.lib Thu Mar 10 18:26:48 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/atpolitis/code/TmpLM74/#a29c5af6c1f0
diff -r 000000000000 -r e43dcd4f2ed8 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Mar 10 18:26:48 2011 +0000
@@ -0,0 +1,70 @@
+// Hello World! for the TextLCD
+
+#include "mbed.h"
+#include "TextLCD.h"
+#include "TmpLM74.h"
+
+DigitalOut myled(LED1);
+
+//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x4); // rs, e, d4-d7
+//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD16x2); // rs, e, d4-d7
+TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x2); // rs, e, d4-d7
+Serial pc(USBTX, USBRX); // tx, rx
+
+TmpLM74 Temp74(p5, p6, p7, p8); // LM74 connected on: mosi, miso, sclk, csLM74
+
+void showTemp74(void);
+
+int main() {
+
+ lcd.cls();
+
+ wait(2);
+ lcd.locate(0,0);
+// lcd.printf("Hello World12345678!");
+ lcd.printf("Hello World!");
+
+
+ pc.printf("HELLO!, testing LM74 temperature sensor ...\n\r");
+ wait(2);
+
+ lcd.locate(0,0); // locate(column,row)
+ lcd.printf("test LM74 tmp sensor");
+ lcd.locate(0,1);
+ lcd.printf("LM74temp = 110.8 *C ");
+
+ wait(1);
+
+ while(1) {
+
+ myled = !myled;
+ showTemp74();
+ wait(2);
+/*
+ myled = !myled;
+ showTemp74();
+ Temp74.shutLM74down();
+ wait(1);
+*/
+ }
+}
+// ******************************************************************
+// ******************************************************************
+
+void showTemp74(void){
+
+ float TempC = Temp74.readTemp();
+ lcd.locate(11,1);
+ lcd.printf(" ");
+ lcd.locate(11,1);
+
+ pc.printf("Temperature = ");
+ if(TempC > MAX_LM74_TEMP) {
+ pc.printf(" ? *C\n", TempC);
+ lcd.printf(" ? *C", TempC);
+ } else {
+ pc.printf("%3.1f *C\n", TempC);
+ lcd.printf("%3.1f *C", TempC);
+ }
+}
+// ******************************************************************
diff -r 000000000000 -r e43dcd4f2ed8 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Mar 10 18:26:48 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e