I2C 接続の LCD AQM1602XA-RN-GBW 用のライブラリの使用例. Demo program of library for LCD 1602XA-RN-GBW connected using I2C interface.
Dependencies: mbed UIT_AQM1602
Diff: main.cpp
- Revision:
- 5:d63f1c2d8027
- Parent:
- 4:291e82d910d0
- Child:
- 6:3dcecef3aa21
diff -r 291e82d910d0 -r d63f1c2d8027 main.cpp --- a/main.cpp Thu Jan 14 05:57:02 2016 +0000 +++ b/main.cpp Fri Apr 01 04:27:40 2016 +0000 @@ -1,7 +1,7 @@ //------------------------------------------------------------ // Test program for LCD AQM1602XA-RN-GBW using I2C interface // Pullup resistors for SDA and SCL: 10 kΩ -// 2016/01/14, Copyright (c) 2015 MIKAMI, Naoki +// 2016/04/01, Copyright (c) 2016 MIKAMI, Naoki //------------------------------------------------------------ #include "AQM1602.hpp" @@ -26,27 +26,37 @@ // Following: for LPC1768 //Aqm1602 lcd_(p9, p10); // OK +#if defined(STM32F4) || defined(STM32L0) || defined(__STM32F3xx_H) +#define NUCLEO_F4_L0_F3 +#endif + Ticker timer_; -#if defined(STM32F4) || defined(STM32L0) || defined(__STM32F3xx_H) +#ifdef NUCLEO_F4_L0_F3 DigitalIn uButton_(USER_BUTTON); #endif // Display 0, 1, 2, ..... +// Each version is available void TimerIsr() { static int k = 0; - char str[10]; - sprintf(str, "%d", k++); - lcd_.WriteStringXY(str, 0, 1); + + // Using WriteValueXY() and float version + lcd_.WriteValueXY("%5.1f", (float)(k++/10.0f), 0, 1); +/* + // Using WriteValue() and int version + lcd_.SetXY(0, 1); + lcd_.WriteValue("%d", k++/10); +*/ } void WaitButton() { +#ifdef NUCLEO_F4_L0_F3 lcd_.WriteStringXY("Push blue button", 0, 1); -#if defined(STM32F4) || defined(STM32L0) || defined(__STM32F3xx_H) while (uButton_ == 1) {} #else - wait(2); + wait(1); #endif lcd_.ClearLine(1); wait(0.5); @@ -67,7 +77,8 @@ string str = "AQM1602"; lcd_.WriteStringXY(str+"XA-RN-GBW", 0, 0); TimerIsr(); - timer_.attach(&TimerIsr, 1); + timer_.attach(&TimerIsr, 0.1f); while (true) {} } +