USB current meter for TG-LPC11U35-501

Dependencies:   AQM0802 mbed

Files at this revision

API Documentation at this revision

Comitter:
yasuyuki
Date:
Sat Sep 26 13:14:29 2015 +0000
Parent:
1:e1d55b71e910
Commit message:
revised

Changed in this revision

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 e1d55b71e910 -r d6fcc8bfc037 main.cpp
--- a/main.cpp	Tue Jun 24 08:42:52 2014 +0000
+++ b/main.cpp	Sat Sep 26 13:14:29 2015 +0000
@@ -13,57 +13,58 @@
 
 //#pragma O0
 //#pragma O1
-//#pragma O2    // default
-//#pragma O3
-//#pragma Otime
+//#pragma O2
+//#pragma O3        // default
+//#pragma Otime     // default
 //#pragma Ospace
 
 
 #if defined(TARGET_LPC1768)
-DigitalOut led1(LED1);
-DigitalOut led2(LED2);
 I2C i2c(p28,p27);
 AnalogIn ain(p15);
 #endif
 // for TG-LPC11U35-501
 #if defined(TARGET_LPC11U35_501)
-DigitalOut led1(P0_20);
-DigitalOut led2(P0_21);
 I2C i2c(P0_5,P0_4);
 AnalogIn ain(P0_11);
 #endif
 // for Nucleo
 #if defined(TARGET_NUCLEO_F401RE)
-DigitalOut led1(D13);
 I2C i2c(D14,D15);
 AnalogIn ain(PA_0);
 #endif
 
 AQM0802 lcd(i2c);
+Ticker tic;
 
-int main() {
-    
+
+void display()
+{
+
     char msg[10];
     int mA;
+    static int mAh=0;
 
-    sprintf(msg, "%d", SystemCoreClock );
+    // current
+    mA = ain.read()*3.3*1000;
+    mAh+=mA;
+    if(mAh/3600>99999)mAh=0;    // overflow
+
+    sprintf(msg," %4dmA ",mA);
     lcd.locate(0,0);
     lcd.print(msg);
-    wait(1);    
-
-    sprintf(msg, "current ");
-    lcd.locate(0,0);
+    
+    sprintf(msg,"%5dmAh",mAh/3600);
+    lcd.locate(0,1);
     lcd.print(msg);
-      
-    while(1) {
 
-        // current
-        mA = ain.read()*3.3*1000;
+}
 
-        sprintf(msg,"  %4dmA",mA);
-        lcd.locate(0,1);
-        lcd.print(msg);
-        wait(1);
+int main() {
+        
+    tic.attach(&display,1);    // Do not exceed 2147sec
+
+    while(true) {
     }
 
 }
diff -r e1d55b71e910 -r d6fcc8bfc037 mbed.bld
--- a/mbed.bld	Tue Jun 24 08:42:52 2014 +0000
+++ b/mbed.bld	Sat Sep 26 13:14:29 2015 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/024bf7f99721
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/7e07b6fb45cf
\ No newline at end of file