MCP3425 sample

Dependencies:   AQM0802 MCP3425 mbed

See http://developer.mbed.org/users/yasuyuki/notebook/MCP3425/

Files at this revision

API Documentation at this revision

Comitter:
yasuyuki
Date:
Wed Oct 15 14:40:22 2014 +0000
Commit message:
first release

Changed in this revision

AQM0802.lib Show annotated file Show diff for this revision Revisions of this file
MCP3425.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
diff -r 000000000000 -r 5999cefe7380 AQM0802.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AQM0802.lib	Wed Oct 15 14:40:22 2014 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/yasuyuki/code/AQM0802/#6fa303916aa8
diff -r 000000000000 -r 5999cefe7380 MCP3425.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCP3425.lib	Wed Oct 15 14:40:22 2014 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/yasuyuki/code/MCP3425/#b7bc51be525f
diff -r 000000000000 -r 5999cefe7380 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Oct 15 14:40:22 2014 +0000
@@ -0,0 +1,61 @@
+//**********************
+// A/D Converter
+// MCP3425 sample for mbed
+//
+// Voltage=(Vin+)-(Vin-)
+// Voltage Range:-2.048V to 2.048V
+// Resolution:2.048V/0x7FFF=62.5uV, 16bits
+// Sampling Per Second
+// 240 SPS, 12bits
+//  60 SPS, 14bits
+//  15 SPS, 16bits (default)
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#include "mbed.h"
+#include "AQM0802.h"
+#include "MCP3425.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);
+MCP3425 mcp3425(i2c);
+
+
+int main() {
+    
+    char msg[10];
+    short a;
+    float v;
+
+    sprintf(msg,"MCP3425");
+    lcd.locate(0,0);
+    lcd.print(msg);
+    wait(1);
+      
+    while(1) {
+
+        a = mcp3425.get();
+        sprintf(msg,"dat=%X",(unsigned short)a);
+        lcd.locate(0,0);
+        lcd.print(msg);
+        v = (float)a*2.048/0x7FFF;
+        sprintf(msg,"%f",v);
+        lcd.locate(0,1);
+        lcd.print(msg);
+        wait(1);    // Do not exceed 15SPS with 16bits
+    }
+
+}
+
diff -r 000000000000 -r 5999cefe7380 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Oct 15 14:40:22 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1
\ No newline at end of file