Vitaliy Loginov
/
LM35
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Dependents: Chromatograph_Mobile
Revision 0:48636371d2d3, committed 2020-06-22
- Comitter:
- vitlog
- Date:
- Mon Jun 22 09:52:16 2020 +0000
- Commit message:
- Termometer
Changed in this revision
| lm35.cpp | Show annotated file Show diff for this revision Revisions of this file |
| lm35.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 48636371d2d3 lm35.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lm35.cpp Mon Jun 22 09:52:16 2020 +0000
@@ -0,0 +1,28 @@
+#include "lm35.h"
+Ticker lm35_temp;
+AnalogIn LMtemp(A0);
+uint16_t cnt=KF;
+float sum;
+LM35_t LM35_0;
+void read()
+{
+ if(cnt--){
+ sum+=330*LMtemp.read();
+ }
+ else {//сообщить о готовности результата и записать результат в переменную.
+ LM35_0.ready=1;
+ LM35_0.temp=sum/KF;
+ sum=0;
+ cnt=KF;
+ }
+}
+
+void LM35_start(float per)
+{
+ lm35_temp.attach(&read,per/KF);
+}
+
+void LM35_stop(void)
+{
+ lm35_temp.detach();
+}
\ No newline at end of file
diff -r 000000000000 -r 48636371d2d3 lm35.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lm35.h Mon Jun 22 09:52:16 2020 +0000
@@ -0,0 +1,13 @@
+#ifndef _LM35_H /* Guard against multiple inclusion */
+#define _LM35_H
+#include "PerifConfig.h"
+#define KF 1000
+typedef struct {
+ //фильтрованное значение температуры
+ float temp;
+ uint8_t ready;
+ } LM35_t;
+ extern LM35_t LM35_0;
+void LM35_start(float per);
+void LM35_stop(void);
+#endif
\ No newline at end of file