![](/media/cache/profiles/ndu.jpg.50x50_q85.jpg)
keyboard input, serial com test
Dependencies: mbed DISCO_L475VG_IOT01A_wifi TextLCD USBHost
Diff: src/display.cpp
- Revision:
- 5:0466445897b8
- Child:
- 6:9d975a9d2728
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/display.cpp Sat Aug 10 08:34:41 2019 +0000 @@ -0,0 +1,74 @@ +#include "TextLCD.h" +#include "mbed_assert.h" +#include <string> + +TextLCD lcd(D8, D9, D4, D5, D6, D7); // LCD (RS, E, D4, D5, D6, D7); +PwmOut backlight(D10); // Backlight LCD + +/* + ------> x + | (0,0) + | (15,1) + v y +*/ + +const uint8_t FIRST_LINE=0; +const uint8_t SECOND_LINE=1; + + +void setCursor(uint8_t x, uint8_t y){ + MBED_ASSERT(x <= 15); + MBED_ASSERT(y <= 1); +} + +void setLine(uint8_t y){ + MBED_ASSERT( y <= 1 ); + lcd.locate(0,y); +} + +void printLine(std::string text){ + MBED_ASSERT(text.size()<=16); + lcd.printf(text.c_str()); +} + +void printLine(std::string text, uint8_t line){ + MBED_ASSERT(text.size()<=16); + MBED_ASSERT(line <= 1); + lcd.cls(); // Clear LCD + lcd.locate(0,line); /* x/y */ + lcd.printf(text.c_str()); +} + +void displayInit(void){ + // Set backlight period and duty cycle + backlight.period(0.002); + backlight = 1; + lcd.cls(); // Clear LCD + lcd.locate(0,FIRST_LINE); /* x/y */ + lcd.printf("testBoard"); +} + +void displayKey(char key){ + lcd.cls(); // Clear LCD + lcd.locate(0,FIRST_LINE); /* x/y */ + lcd.printf("%c", key); +} + +void displayScreen(uint8_t nr){ + switch(nr){ + case 0: + { + lcd.cls(); + setLine(FIRST_LINE); + printLine("keyboard det."); + break; + } + case 1: + { + lcd.cls(); + setLine(SECOND_LINE); + printLine("buttons detected"); + break; + } + } +} \ No newline at end of file