![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
bChange
Dependencies: TextLCD
main.cpp
- Committer:
- nishimura_taku_pet
- Date:
- 2020-07-29
- Revision:
- 7:3fc517224e66
- Parent:
- 6:1545ad4c64e6
- Child:
- 8:0719ca2421b4
File content as of revision 7:3fc517224e66:
/* mbed Microcontroller Library * Copyright (c) 2019 ARM Limited * SPDX-License-Identifier: Apache-2.0 */ #include "mbed.h" #include "TextLCD.h" #define MIN_V 2.0 #define MAX_V 2.67 //0.107 2.23,3.3 I2C i2c_lcd(p28, p27); TextLCD_I2C lcd(&i2c_lcd, (0x27 << 1), TextLCD::LCD16x2, TextLCD::HD44780); int b = 0; AnalogIn battery(p15); Serial pc(USBTX, USBRX); // USBシリアルポートのインスタンス int flag_b = 0; int flag_t = 0; void lcdBacklight(void const *argument); RtosTimer bTimer(lcdBacklight, osTimerPeriodic); void lcdBacklight(void const *argument){ if(flag_b == 1){ lcd.setBacklight(TextLCD::LightOn); }else{ lcd.setBacklight(TextLCD::LightOff); } flag_b = !flag_b; } void bChange(){ lcd.setBacklight(TextLCD::LightOn); while(true){ double test = battery.read(); b = (int)(((test* 3.3 - MIN_V)/0.67)*10+0.5)*10; //b = (int)(((test*3.3 - MIN_V))/(MAX_V) + 0.5)*10; pc.printf("test*3.3=%f,b = %d\r\n",test*3.3,b); if(b < 0){//すべての機能停止 /*lcd.setBacklight(TextLCD::LightOff); bTimer.stop(); exit(1);*/ b = 0; }else if(b > 100){ b = 100; } lcd.locate(0,0); lcd.printf("Battery:%3d%%",b); if(b <= 30){ if(flag_t == 0){ bTimer.start(500); flag_t = 1; } }else{ if(flag_t == 1){ bTimer.stop(); lcd.setBacklight(TextLCD::LightOn); flag_t = 0; } } wait_us(1000000); /*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); } }*/ } } /*void bChange{ }*/ int main() { //Thread thread(change,NULL,osPriorityNormal); Thread thread; thread.start(bChange); while (true) { wait(1); } }