![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
bChange
Dependencies: TextLCD
main.cpp
- Committer:
- nishimura_taku_pet
- Date:
- 2020-07-27
- Revision:
- 0:18811ba92e94
- Child:
- 1:60e68d110d01
File content as of revision 0:18811ba92e94:
/* mbed Microcontroller Library * Copyright (c) 2019 ARM Limited * SPDX-License-Identifier: Apache-2.0 */ #include "mbed.h" #include "TextLCD.h" #define MIN_V 2.23 #define MAX_V 3.3 //0.107 I2C i2c_lcd(p9, p10); TextLCD_I2C lcd(&i2c_lcd, (0x27 << 1), TextLCD::LCD16x2, TextLCD::HD44780); int b = 0; AnalogIn battery(p15); void change(){ while(true){ //lcd.setBacklight(TextLCD::LightOn); b = (int)((i - MIN_V)/0.107 + 0.5)*10; lcd.locate(0,0); lcd.printf("Battery:%3d%%",b); thread_sleep_for(200); /*for(double i = MAX_V;i > MIN_V;i -= 0.05){ b = (int)((i - MIN_V)/0.107 + 0.5)*10; //printf("i = %.2f,b=%d%\r\n",i,b); lcd.locate(0,0); lcd.printf("Battery:%3d%%",b); if(b <= 30){ for(int j = 0;j*(2*b+20) < 200;j++){ lcd.setBacklight(TextLCD::LightOff); thread_sleep_for(b+10); lcd.setBacklight(TextLCD::LightOn); thread_sleep_for(b+10); } }else{ thread_sleep_for(200); } }*/ } } int main() { //Thread thread(change,NULL,osPriorityNormal); Thread thread; thread.start(change); while (true) { wait(1); } }