Diff: main.cpp

Revision:

0:27e9d6071e9b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 09 08:38:27 2016 +0000
@@ -0,0 +1,158 @@
+ // VI Meter Kiban
+
+
+#include "mbed.h"
+#include "I2cLCD.h"
+
+I2cLCD lcd(dp5,dp27,dp26); //sda scl reset
+I2C Ina226(dp5,dp27);//SDA SCL
+DigitalOut led_yellow(dp16);
+DigitalOut led_green(dp15);
+
+unsigned int waddr=0x80,raddr=0x81;
+char cmd[3],val[3];
+double vc,ic,ihosei;
+
+#define ON 1
+#define OFF 0
+#define XON 0
+#define XOFF 1
+
+#define batt1_ON lcd.seticon( I2cLCD::Battery_1 )
+#define batt2_ON lcd.seticon( I2cLCD::Battery_2 )
+#define batt3_ON lcd.seticon( I2cLCD::Battery_3 ) 
+#define batt4_ON lcd.seticon( I2cLCD::Battery_4 )
+
+#define batt1_OFF lcd.clearicon( I2cLCD::Battery_1 )
+#define batt2_OFF lcd.clearicon( I2cLCD::Battery_2 )
+#define batt3_OFF lcd.clearicon( I2cLCD::Battery_3 ) 
+#define batt4_OFF lcd.clearicon( I2cLCD::Battery_4 )
+
+#define arrow_down_on lcd.seticon( I2cLCD::ArrowDown );
+#define arrow_up_on   lcd.seticon( I2cLCD::ArrowUp );
+#define arrow_down_off lcd.clearicon( I2cLCD::ArrowDown ); 
+#define arrow_up_off   lcd.clearicon( I2cLCD::ArrowUp );
+
+/*
+void batt_mark(){
+    if(vc < 4.5 ){
+      batt1_ON;
+      batt2_OFF;
+      batt3_OFF;
+      batt4_OFF;
+    }
+    else if(vc < 4.8){
+      batt1_ON;
+      batt2_ON;
+      batt3_OFF;
+      batt4_OFF;
+    }
+    else if(vc < 5.0){
+      batt1_ON;
+      batt2_ON;
+      batt3_ON;
+      batt4_OFF;
+    }
+    else{
+      batt1_ON;
+      batt2_ON;
+      batt3_ON;
+      batt4_ON;
+    }
+}     
+*/
+      
+void led_flash(){
+    int i;
+    for(i=0;i<3;i++){
+      led_green=ON;
+      led_yellow=ON;
+      wait(0.1);
+      led_green=OFF;
+      led_yellow=OFF;
+      wait(0.1);
+    }
+}
+
+int main() {      
+
+  led_flash();
+  lcd.cls();
+  lcd.locate(0,0);
+  lcd.printf("* VI Meter 1.1 *");
+  
+  cmd[0]=0x05;// calibration registar
+  cmd[1]=0x0a;// shunt reg=2m ohm
+  cmd[2]=0x00;
+  Ina226.write(waddr,cmd,3);
+  wait(0.1);
+  
+  cmd[0]=0x00;// config reg.
+  cmd[1]=0x45;// average set & number=16
+  cmd[2]=0x27;
+  Ina226.write(waddr,cmd,3);
+  wait(0.1);
+  
+  cmd[0]=0x04;// current read
+  Ina226.write(waddr,cmd,1);
+  Ina226.read(raddr,val,2);
+  ic=(short)(val[0]<<8 | val[1]);
+  if(-3.0 <ic && ic < 3.0 ){
+    ihosei=0.0-ic;
+  }    
+  wait(0.1);
+    
+  while(1){
+  
+    cmd[0]=0x04;// current read
+    Ina226.write(waddr,cmd,1);
+    Ina226.read(raddr,val,2);
+    ic=(short)(val[0]<<8 | val[1])+ihosei;
+    if(ic < 0){ //discharge
+      arrow_down_on;
+      arrow_up_off;
+      led_green=OFF;
+      led_yellow=ON;
+    }
+    else{ //charge
+      arrow_up_on;
+      arrow_down_off;
+      led_green=ON;
+      led_yellow=OFF; 
+    }
+      
+    wait(0.1);
+ 
+    cmd[0]=0x02;// voltage read
+    Ina226.write(waddr,cmd,1);
+    Ina226.read(raddr,val,2);
+    vc=(val[0]<<8 | val[1])*1.25/1000;
+ /*   
+    cmd[0]=0x03;// power
+    Ina226.write(waddr,cmd,1);
+    Ina226.read(raddr,val,2);
+    pw=(val[0]<<8 | val[1])/25;
+ 
+    
+    pw=out_v*ic/1000;// power 
+    if(out_v >= 12.0){
+      out_v=12.0;
+    }
+    if(pduty <= 0.03){
+      out_v=0;
+    }
+*/ 
+ 
+    lcd.locate(0,1);
+    lcd.printf("%4.1fV,%4.0fmA",vc,ic);        
+
+    led_green=ON;
+    wait(1.0);
+    led_green=OFF;
+    wait(1.0);
+    
+   // batt_mark();
+ 
+  }//while     
+}//main
+