ISISA-Zacatenco
/
FRDM_KL25_ADC_LCD_SERIAL
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FRDM_KL25_ADC_LCD
by 
ISISA-Zacatenco
main.cpp@5:b8f5c2de52c4, 2017-04-21 (annotated)
- Committer:
- AdrianMA
- Date:
- Fri Apr 21 18:35:39 2017 +0000
- Revision:
- 5:b8f5c2de52c4
- Parent:
- 4:a3e4bb2053cb
- Child:
- 6:2cbcc7411fd7
Pr?ctica para implementar el uso de un ADC a partir de un potenciometro y su despliegue en un LCD utilizando la libreria TextLCD, implementada con la tarjeta FRDM KL25
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| AdrianMA | 5:b8f5c2de52c4 | 1 | // Hello World! for the TextLCD |
| AdrianMA | 5:b8f5c2de52c4 | 2 | |
| wim | 0:a75049de1a82 | 3 | #include "mbed.h" |
| wim | 0:a75049de1a82 | 4 | #include "TextLCD.h" |
| wim | 4:a3e4bb2053cb | 5 | |
| AdrianMA | 5:b8f5c2de52c4 | 6 | //Declaración del periferico SPI con sus pines a utilizar |
| AdrianMA | 5:b8f5c2de52c4 | 7 | SPI spi_lcd(PTC6, NC, PTC5); // MOSI, MISO, SCLK:::::Datos del ejemplo |
| AdrianMA | 5:b8f5c2de52c4 | 8 | |
| AdrianMA | 5:b8f5c2de52c4 | 9 | //Configuración de la libreria del LCD |
| AdrianMA | 5:b8f5c2de52c4 | 10 | TextLCD_SPI lcd(&spi_lcd, PTC4, TextLCD::LCD16x2,TextLCD::HD44780); // SPI bus, CS pin, LCD Type ok |
| AdrianMA | 5:b8f5c2de52c4 | 11 | |
| AdrianMA | 5:b8f5c2de52c4 | 12 | AnalogIn an_pin(PTB1); //Creación de la entrada analogica |
| AdrianMA | 5:b8f5c2de52c4 | 13 | |
| AdrianMA | 5:b8f5c2de52c4 | 14 | PwmOut out_pwm(PTC1); //Creación de una salida PWM |
| wim | 0:a75049de1a82 | 15 | |
| AdrianMA | 5:b8f5c2de52c4 | 16 | float conv; |
| AdrianMA | 5:b8f5c2de52c4 | 17 | |
| AdrianMA | 5:b8f5c2de52c4 | 18 | int main() { |
| AdrianMA | 5:b8f5c2de52c4 | 19 | |
| AdrianMA | 5:b8f5c2de52c4 | 20 | lcd.cls(); |
| wim | 0:a75049de1a82 | 21 | |
| AdrianMA | 5:b8f5c2de52c4 | 22 | //Retardo de 0.5 segundos |
| AdrianMA | 5:b8f5c2de52c4 | 23 | wait(0.50); |
| AdrianMA | 5:b8f5c2de52c4 | 24 | |
| AdrianMA | 5:b8f5c2de52c4 | 25 | //Posicionar al LCD en el espacio 0,0 ORIGEN |
| AdrianMA | 5:b8f5c2de52c4 | 26 | lcd.locate(0,0); |
| wim | 4:a3e4bb2053cb | 27 | |
| AdrianMA | 5:b8f5c2de52c4 | 28 | //Escritura de prueba |
| AdrianMA | 5:b8f5c2de52c4 | 29 | lcd.printf("Start PowerTip"); |
| wim | 0:a75049de1a82 | 30 | |
| AdrianMA | 5:b8f5c2de52c4 | 31 | wait(1.0); |
| AdrianMA | 5:b8f5c2de52c4 | 32 | |
| AdrianMA | 5:b8f5c2de52c4 | 33 | lcd.cls(); |
| AdrianMA | 5:b8f5c2de52c4 | 34 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| AdrianMA | 5:b8f5c2de52c4 | 35 | /* Asignación del periodo para la salida del PWM*/ |
| AdrianMA | 5:b8f5c2de52c4 | 36 | |
| AdrianMA | 5:b8f5c2de52c4 | 37 | out_pwm.period_ms(100); //Asignación de un periodo de 100 mili-segundos |
| wim | 3:f238b4f7874f | 38 | |
| AdrianMA | 5:b8f5c2de52c4 | 39 | /*Codigos de prueba*/ |
| AdrianMA | 5:b8f5c2de52c4 | 40 | |
| AdrianMA | 5:b8f5c2de52c4 | 41 | while(true){ |
| AdrianMA | 5:b8f5c2de52c4 | 42 | lcd.cls(); |
| AdrianMA | 5:b8f5c2de52c4 | 43 | |
| AdrianMA | 5:b8f5c2de52c4 | 44 | conv=an_pin.read(); //Lectura del Pin Analogico |
| AdrianMA | 5:b8f5c2de52c4 | 45 | //Impresión de información por medio del LCD |
| AdrianMA | 5:b8f5c2de52c4 | 46 | lcd.printf("Contador LCD: \ni= %f ", conv); |
| AdrianMA | 5:b8f5c2de52c4 | 47 | out_pwm.write(conv); //Asignación del ancho de pulso de la señal PWM |
| AdrianMA | 5:b8f5c2de52c4 | 48 | wait(0.5); //Retardo de 0.5 segundos |
| AdrianMA | 5:b8f5c2de52c4 | 49 | } |
| wim | 1:ef419b21167d | 50 | |
| AdrianMA | 5:b8f5c2de52c4 | 51 | //FIN DEL PROGRAMA |
| wim | 4:a3e4bb2053cb | 52 | } |
| wim | 3:f238b4f7874f | 53 | |
| wim | 3:f238b4f7874f | 54 |