yasuyuki onodera / Mbed 2 deprecated mbed_LPS25H

LPS25H sample

Dependencies:   AQM0802 LPS25H mbed

See http://developer.mbed.org/users/yasuyuki/notebook/LPS25H/

Files at this revision

API Documentation at this revision

Revision 0:f7ac3f4062cf, committed 2014-10-12

Comitter:
yasuyuki
Date:
Sun Oct 12 02:44:32 2014 +0000
Commit message:
first release

Changed in this revision

AQM0802.lib Show annotated file Show diff for this revision Revisions of this file
LPS25H.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/AQM0802.lib	Sun Oct 12 02:44:32 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/yasuyuki/code/AQM0802/#6fa303916aa8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPS25H.lib	Sun Oct 12 02:44:32 2014 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/yasuyuki/code/LPS25H/#0d2babe81a04

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Oct 12 02:44:32 2014 +0000
@@ -0,0 +1,71 @@
+//**********************
+// Barometer and Altimeter
+// LPS25H sample for mbed
+//
+// LPC1768 flash=512KB, ADC=12bits
+// LPC11U35 flash=64KB, ADC=10bits
+// Nucleo ADC=12bits
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#include "mbed.h"
+#include "AQM0802.h"
+#include "LPS25H.h"
+
+#if defined(TARGET_LPC1768)
+I2C i2c(p28,p27);
+#endif
+// for TG-LPC11U35-501
+#if defined(TARGET_LPC11U35_501)
+I2C i2c(P0_5,P0_4);
+#endif
+// for Nucleo
+#if defined(TARGET_NUCLEO_F401RE)
+I2C i2c(D14,D15);
+#endif
+
+AQM0802 lcd(i2c);
+LPS25H lps25h(i2c);
+
+#define T0  288.15
+#define dT  0.0065
+#define P0  101325.0
+#define g   9.80665
+#define R   287.052
+double GetAltitude(double p, double t){
+
+    return (t+273.15)/dT*(pow((P0/p),dT*R/g)-1);
+
+}
+
+int main() {
+    
+    char msg[10];
+    int p, t, a;
+
+    sprintf(msg,"Barometer");
+    lcd.locate(0,0);
+    lcd.print(msg);
+    sprintf(msg,"Altimeter");
+    lcd.locate(0,1);
+    lcd.print(msg);
+    wait(1);
+      
+    while(1) {
+
+        p = (double)lps25h.pressure()/40.96;
+        t = 42.5 + (double)lps25h.temperature()/480.0;
+        a = GetAltitude(p,t);
+
+        sprintf(msg,"%6dPa",p);
+        lcd.locate(0,0);
+        lcd.print(msg);
+        sprintf(msg,"%4dm%2dC", a, t);
+        lcd.locate(0,1);
+        lcd.print(msg);
+        wait(1);
+    }
+
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Oct 12 02:44:32 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1
\ No newline at end of file