ATHANASIOS POLITIS / Mbed 2 deprecated LM74test

LM74 temperature sensor testing, using PC serial and 20x2 text LCD

Dependencies:   TextLCD mbed

Files at this revision

API Documentation at this revision

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

TextLCD.lib Show annotated file Show diff for this revision Revisions of this file
TmpLM74.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /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

--- /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

--- /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);
+    }
+}
+//      ******************************************************************

--- /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