Takeuchi Kouichi
VIメータのプログラムですI2C LCDとINA２２６を装備しています。
Revision 0:27e9d6071e9b, committed 2016-05-09
- Comitter:
- takeuchi
- Date:
- Mon May 09 08:38:27 2016 +0000
- Commit message:
- VI?????????????I2C?INA????I2C?LCD?????????
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/I2cLCD.cpp Mon May 09 08:38:27 2016 +0000
@@ -0,0 +1,176 @@
+#include "I2cLCD.h"
+#include "mbed.h"
+
+#define I2CLCD_ADDR 0x7C
+
+#define RS_CMD 0x00
+#define RS_DATA 0x40
+
+#define FUNC_SET1 0x38
+#define FUNC_SET2 0x39
+#define INT_OSC 0x14
+
+#define CNTR_DEF 0x20
+
+unsigned char icon_data[]=
+{
+ 0x00, 0x10,
+ 0x02, 0x10,
+ 0x04, 0x10,
+ 0x06, 0x10,
+
+ 0x07, 0x10,
+ 0x07, 0x08,
+ 0x09, 0x10,
+ 0x0B, 0x10,
+
+ 0x0D, 0x08,
+ 0x0D, 0x04,
+ 0x0D, 0x02,
+ 0x0D, 0x10,
+
+ 0x0F, 0x10,
+};
+
+I2cLCD::I2cLCD(PinName sda, PinName scl, PinName rp) : _rs( rp ) , _i2c( sda , scl ){
+
+ contrast = CNTR_DEF;
+ icon = 0;
+
+ wait(0.015);
+ // reset LOW->HIGH
+ _rs = 0;
+ wait(0.01);
+ _rs = 1;
+ wait(0.05);
+
+ writeCommand(FUNC_SET1);
+ writeCommand(FUNC_SET2);
+ writeCommand(INT_OSC);
+
+ writeCommand(0x70 | (contrast & 0xF));
+ writeCommand(0x5C | ((contrast >> 4) & 0x3));
+
+ writeCommand(0x6C);
+ wait(0.3);
+
+ writeCommand(0x38); // function set
+ writeCommand(0x0C); // Display On
+
+ cls(); // Clear Display
+
+}
+
+
+
+void I2cLCD::character(int column, int row, int c) {
+ int a = address(column, row);
+ writeCommand(a);
+ writeData(c);
+}
+
+void I2cLCD::cls() {
+ writeCommand(0x01); // cls, and set cursor to 0
+ wait(0.00164f); // This command takes 1.64 ms
+ locate(0, 0);
+}
+
+void I2cLCD::locate(int column, int row) {
+ _column = column;
+ _row = row;
+}
+
+int I2cLCD::_putc(int value) {
+ if (value == '\n') {
+ _column = 0;
+ _row++;
+ if (_row >= rows()) {
+ _row = 0;
+ }
+ } else {
+ character(_column, _row, value);
+ _column++;
+ if (_column >= columns()) {
+ _column = 0;
+ _row++;
+ if (_row >= rows()) {
+ _row = 0;
+ }
+ }
+ }
+ return value;
+}
+
+int I2cLCD::_getc() {
+ return -1;
+}
+
+void I2cLCD::writeCommand( int cmd )
+{
+ char cmds[2];
+
+ cmds[0] = RS_CMD;
+ cmds[1] = cmd;
+
+ _i2c.write(I2CLCD_ADDR, cmds, 2);
+}
+
+void I2cLCD::writeData( int data )
+{
+ char cmd[2];
+
+ cmd[0] = RS_DATA;
+ cmd[1] = data;
+
+ _i2c.write(I2CLCD_ADDR, cmd, 2);
+}
+
+int I2cLCD::address(int column, int row) {
+
+ return 0x80 + (row * 0x40) + column;
+}
+
+int I2cLCD::columns() {
+ return 16;
+}
+
+int I2cLCD::rows() {
+ return 2;
+}
+
+void I2cLCD::seticon(IconType type)
+{
+ icon |= type;
+ puticon( icon );
+}
+
+void I2cLCD::clearicon(IconType type)
+{
+ icon &= ~type;
+ puticon( icon );
+}
+
+
+void I2cLCD::puticon(int flg)
+{
+ static unsigned char icon_buff[16];
+ unsigned char i;
+
+ for(i=0;i<sizeof(icon_data)/2;i++)
+ {
+ if(flg & (0x1000>>i))
+ {
+ icon_buff[icon_data[i*2]] |= icon_data[i*2+1];
+ }
+ else
+ {
+ icon_buff[icon_data[i*2]] &= ~icon_data[i*2+1];
+ }
+ }
+
+ for(i=0;i<16;i++){
+ writeCommand(0x39);
+ writeCommand(0x40+i);
+ writeData(icon_buff[i]);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/I2cLCD.h Mon May 09 08:38:27 2016 +0000
@@ -0,0 +1,58 @@
+
+#ifndef MBED_I2CLCD_H
+#define MBED_I2CLCD_H
+
+#include "mbed.h"
+
+class I2cLCD : public Stream {
+public:
+
+ enum IconType {
+ Mark = 0x0001,
+ Battery_1 = 0x0004,
+ Battery_2 = 0x0002,
+ Battery_3 = 0x0010,
+ Battery_4 = 0x0008,
+ NoSound = 0x0020,
+ Lock = 0x0040,
+ ArrowDown = 0x0080,
+ ArrowUp = 0x0100,
+ Input = 0x0200,
+ Alarm = 0x0400,
+ Tell = 0x0800,
+ Antenna = 0x1000,
+ };
+
+ I2cLCD(PinName sda, PinName scl, PinName rp);
+#if DOXYGEN_ONLY
+ int putc(int c);
+ int printf(const char* format, ...);
+#endif
+ void locate(int column, int row);
+ void cls();
+ int rows();
+ int columns();
+ void seticon(IconType type);
+ void clearicon(IconType type);
+ void puticon(int flg);
+
+protected:
+ virtual int _putc(int value);
+ virtual int _getc();
+
+ int address(int column, int row);
+ void character(int column, int row, int c);
+ void writeCommand( int cmd );
+ void writeData( int data );
+
+ DigitalOut _rs;
+ I2C _i2c;
+ int _column;
+ int _row;
+
+ char contrast;
+ int icon;
+
+};
+
+#endif
\ No newline at end of file
--- /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
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 09 08:38:27 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89 \ No newline at end of file