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TextLCD1
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MAIN.cpp@42:31cad388feaa, 2018-04-07 (annotated)
- Committer:
- salvatore93
- Date:
- Sat Apr 07 13:24:28 2018 +0000
- Revision:
- 42:31cad388feaa
xale
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| salvatore93 | 42:31cad388feaa | 1 | /**************************************************** |
| salvatore93 | 42:31cad388feaa | 2 | * FAST PROTOTYPING WITH NUCLEO * |
| salvatore93 | 42:31cad388feaa | 3 | * Example Code 05: LCDdisplay * |
| salvatore93 | 42:31cad388feaa | 4 | * Author: Mauro D'Angelo * |
| salvatore93 | 42:31cad388feaa | 5 | * Organization: Perlatecnica no-profit organization * |
| salvatore93 | 42:31cad388feaa | 6 | *****************************************************/ |
| salvatore93 | 42:31cad388feaa | 7 | |
| salvatore93 | 42:31cad388feaa | 8 | #include "mbed.h" |
| salvatore93 | 42:31cad388feaa | 9 | #include "TextLCD.h" |
| salvatore93 | 42:31cad388feaa | 10 | |
| salvatore93 | 42:31cad388feaa | 11 | |
| salvatore93 | 42:31cad388feaa | 12 | // PCF8574T |
| salvatore93 | 42:31cad388feaa | 13 | //#define SLAVEADDRESS 0x4E |
| salvatore93 | 42:31cad388feaa | 14 | //PCF8574AT |
| salvatore93 | 42:31cad388feaa | 15 | #define SLAVEADDRESS 0x7E |
| salvatore93 | 42:31cad388feaa | 16 | |
| salvatore93 | 42:31cad388feaa | 17 | // Instanzia un oggetto I2C assegnando i due pin SDA ed SCL |
| salvatore93 | 42:31cad388feaa | 18 | I2C i2c_lcd(PB_9,PB_8); // SDA, SCL |
| salvatore93 | 42:31cad388feaa | 19 | |
| salvatore93 | 42:31cad388feaa | 20 | // Instanzia un oggetto TextLCD_I2C per la gestione del display via I2Cbus |
| salvatore93 | 42:31cad388feaa | 21 | TextLCD_I2C lcd(&i2c_lcd,SLAVEADDRESS, TextLCD::LCD16x2); // I2C exp: I2C bus, PCF8574AT Slaveaddress, LCD Type |
| salvatore93 | 42:31cad388feaa | 22 | |
| salvatore93 | 42:31cad388feaa | 23 | //0x7e, |
| salvatore93 | 42:31cad388feaa | 24 | int main() { |
| salvatore93 | 42:31cad388feaa | 25 | // Spegne il cursore |
| salvatore93 | 42:31cad388feaa | 26 | lcd.setCursor(TextLCD::CurOff_BlkOff); |
| salvatore93 | 42:31cad388feaa | 27 | |
| salvatore93 | 42:31cad388feaa | 28 | // Pulisce lo schermo |
| salvatore93 | 42:31cad388feaa | 29 | lcd.cls(); |
| salvatore93 | 42:31cad388feaa | 30 | |
| salvatore93 | 42:31cad388feaa | 31 | // Stampa sullo schermo |
| salvatore93 | 42:31cad388feaa | 32 | lcd.printf("scherzo:"); |
| salvatore93 | 42:31cad388feaa | 33 | |
| salvatore93 | 42:31cad388feaa | 34 | // punta alla prima colonna del secondo rigo del display |
| salvatore93 | 42:31cad388feaa | 35 | lcd.setAddress(0, 1); |
| salvatore93 | 42:31cad388feaa | 36 | |
| salvatore93 | 42:31cad388feaa | 37 | // Stampa sullo schermo |
| salvatore93 | 42:31cad388feaa | 38 | lcd.printf("<3"); |
| salvatore93 | 42:31cad388feaa | 39 | wait(2); |
| salvatore93 | 42:31cad388feaa | 40 | } |