Prueba todas las maneras de configurar una pantalla LCD alfanumérica en diferentes puertos
Dependencies: FRDM_TSI TextLCD mbed
main.cpp@9:26618de199fc, 2019-05-17 (annotated)
- Committer:
- Antulius
- Date:
- Fri May 17 20:52:57 2019 +0000
- Revision:
- 9:26618de199fc
- Parent:
- 8:39219ab1efd9
FRDM-KL46Z_LCD_Test Prueba todas las configuraciones de puertos para TextLCD
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Antulius | 6:333a2763ad29 | 1 | /* ########################################################################### |
Antulius | 6:333a2763ad29 | 2 | ** Archivo : main.c |
Antulius | 8:39219ab1efd9 | 3 | ** Proyecto : FRDM-KL46Z_LCD_Test |
Antulius | 6:333a2763ad29 | 4 | ** Procesador : MKL46Z256VLL4 |
Antulius | 6:333a2763ad29 | 5 | ** Herramienta : Mbed |
Antulius | 6:333a2763ad29 | 6 | ** Version : Driver 01.01 |
Antulius | 6:333a2763ad29 | 7 | ** Compilador : GNU C Compiler |
Antulius | 6:333a2763ad29 | 8 | ** Fecha/Hora : 14-07-2015, 11:48, # CodeGen: 0 |
Antulius | 6:333a2763ad29 | 9 | ** Descripción : |
Antulius | 9:26618de199fc | 10 | ** Este proyecto prueba todas las configuraciones para operar un |
Antulius | 9:26618de199fc | 11 | ** display LCD alfanumérico en modo de 4 bits |
Antulius | 9:26618de199fc | 12 | ** - Utilizando los GPIO's |
Antulius | 9:26618de199fc | 13 | ** - Utilizando el SPI y el C.I. SN74HC595 o CD4094 |
Antulius | 9:26618de199fc | 14 | ** - Utilizando el I2C y el Modulo PCF8574 y PCF8574A |
Antulius | 9:26618de199fc | 15 | ** soporta las siguintes pantallas LCD alfanuméricas: |
Antulius | 9:26618de199fc | 16 | ** 1x8, 1x16, 2x16, 2x20, 4x16, 4x20 |
Antulius | 9:26618de199fc | 17 | ** Componentes : GPIO, Timer, SPI, I2C, TextLCD. |
Antulius | 9:26618de199fc | 18 | ** Configuraciones : TextLCD, TextLCD_SPI, TextLCD_I2C |
Antulius | 6:333a2763ad29 | 19 | ** Autores : |
Antulius | 6:333a2763ad29 | 20 | ** ATEAM Development Group: |
Antulius | 6:333a2763ad29 | 21 | ** - Antulio Morgado Valle |
Antulius | 6:333a2763ad29 | 22 | ** |
Antulius | 6:333a2763ad29 | 23 | ** Versión : Beta |
Antulius | 6:333a2763ad29 | 24 | ** Revisión : A |
Antulius | 6:333a2763ad29 | 25 | ** Release : 0 |
Antulius | 8:39219ab1efd9 | 26 | ** Date : 20/10/2019 |
Antulius | 6:333a2763ad29 | 27 | ** Bugs & Fixes : |
Antulius | 6:333a2763ad29 | 28 | ** Added support for Led_RGB |
Antulius | 6:333a2763ad29 | 29 | ** 22/09/2018 |
Antulius | 6:333a2763ad29 | 30 | ** Added LCD Menu, Beta version (with bugs) |
Antulius | 6:333a2763ad29 | 31 | ** |
Antulius | 9:26618de199fc | 32 | ** El permiso se otorga por este medio, sin cargo, a cualquier persona que |
Antulius | 9:26618de199fc | 33 | ** obtenga una copia de este software y los archivos de documentación asociados |
Antulius | 9:26618de199fc | 34 | ** (el "Software"), para operar en el Software sin restricciones, incluidos, |
Antulius | 9:26618de199fc | 35 | ** entre otros, los derechos de uso, copia, modificación, fusión, publicación, |
Antulius | 9:26618de199fc | 36 | ** distribución, sublicencia y/o venta de copias de el Software, y para permitir |
Antulius | 9:26618de199fc | 37 | ** que las personas a quienes se suministra el Software lo hagan, sujeto a las |
Antulius | 9:26618de199fc | 38 | ** siguientes condiciones: |
Antulius | 9:26618de199fc | 39 | ** |
Antulius | 9:26618de199fc | 40 | ** El aviso de copyright anterior y este aviso de permiso se incluirán en todas |
Antulius | 9:26618de199fc | 41 | ** las copias o partes sustanciales del Software. |
Antulius | 9:26618de199fc | 42 | ** |
Antulius | 9:26618de199fc | 43 | ** EL SOFTWARE SE PROPORCIONA "TAL CUAL", SIN GARANTÍA DE NINGÚN TIPO, EXPRESO |
Antulius | 9:26618de199fc | 44 | ** O IMPLÍCITO, INCLUYENDO PERO NO LIMITADO A LAS GARANTÍAS DE COMERCIABILIDAD, |
Antulius | 9:26618de199fc | 45 | ** APTITUD PARA UN PROPÓSITO PARTICULAR Y NO INCUMPLIMIENTO. EN NINGÚN CASO, |
Antulius | 9:26618de199fc | 46 | ** LOS AUTORES O TITULARES DE DERECHOS DE AUTOR SERÁN RESPONSABLES POR CUALQUIER |
Antulius | 9:26618de199fc | 47 | ** RECLAMACIÓN, DAÑOS U OTRAS RESPONSABILIDADES, YA QUE SEA RESPONSABLE DE UN |
Antulius | 9:26618de199fc | 48 | ** CONTRATO, CORTE U OTRA MANERA, DERIVADOS DE, FUERA O EN CONEXIÓN CON |
Antulius | 9:26618de199fc | 49 | ** EL SOFTWARE O EL USO O OTRAS REPARACIONES EN EL SOFTWARE. |
Antulius | 6:333a2763ad29 | 50 | ** ###########################################################################*/ |
Antulius | 6:333a2763ad29 | 51 | /* |
Antulius | 6:333a2763ad29 | 52 | :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
Antulius | 6:333a2763ad29 | 53 | : Includes |
Antulius | 6:333a2763ad29 | 54 | :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
Antulius | 6:333a2763ad29 | 55 | */ |
emilmont | 0:0f00f07ebde0 | 56 | #include "mbed.h" |
Antulius | 9:26618de199fc | 57 | #include "TextLCD.h" |
Antulius | 8:39219ab1efd9 | 58 | #include "I2C.h" |
Antulius | 8:39219ab1efd9 | 59 | #include "SPI.h" |
Antulius | 8:39219ab1efd9 | 60 | #include "Serial.h" |
Antulius | 8:39219ab1efd9 | 61 | #include "stdio.h" |
Antulius | 6:333a2763ad29 | 62 | /* |
Antulius | 6:333a2763ad29 | 63 | :............................................................................... |
Antulius | 6:333a2763ad29 | 64 | : Definiciones |
Antulius | 6:333a2763ad29 | 65 | :............................................................................... |
Antulius | 6:333a2763ad29 | 66 | */ |
Antulius | 8:39219ab1efd9 | 67 | #define Ticker_Rate 1000 // Periodo de interrupción (us) |
Antulius | 8:39219ab1efd9 | 68 | #define LCD_Filas 4 // Número de Renglones del LCD |
Antulius | 8:39219ab1efd9 | 69 | #define LCD_Columnas 20 // Número de Caracteres x Renglón del LCD |
Antulius | 8:39219ab1efd9 | 70 | #define Buzz_On 1 // Estado para Buzzer Encendido |
Antulius | 8:39219ab1efd9 | 71 | #define Buzz_Off 0 // Estado para Buzzer Apagado |
Antulius | 8:39219ab1efd9 | 72 | #define on 0 // Estado para botón presionado |
Antulius | 8:39219ab1efd9 | 73 | #define off 1 // Estado para botón sin presionar |
Antulius | 8:39219ab1efd9 | 74 | #define hold 2 // Estado para botón mantenido presionado |
Antulius | 8:39219ab1efd9 | 75 | #define release 3 // Estado para botón al liberarse |
Antulius | 6:333a2763ad29 | 76 | /* |
Antulius | 6:333a2763ad29 | 77 | +------------------------------------------------------------------------------- |
Antulius | 6:333a2763ad29 | 78 | | Configuración de Puertos |
Antulius | 6:333a2763ad29 | 79 | +------------------------------------------------------------------------------- |
Antulius | 6:333a2763ad29 | 80 | */ |
Antulius | 8:39219ab1efd9 | 81 | Ticker TimerInt; // Inicializa la Interrupción por Timer |
Antulius | 8:39219ab1efd9 | 82 | DigitalOut led_monitor(LED2); // Inicializa el LED Monitor |
Antulius | 8:39219ab1efd9 | 83 | DigitalOut buzzer (PTE31); // Inicializa el Buzzer Piezo Eléctrico |
Antulius | 8:39219ab1efd9 | 84 | //PwmOut buzzer (PTE31); // PWM Control del Elemento Calefactor |
Antulius | 8:39219ab1efd9 | 85 | /* |
Antulius | 8:39219ab1efd9 | 86 | ** ------------------------------------------------------------------- |
Antulius | 8:39219ab1efd9 | 87 | ** Inicialización de los Pines de Funciones Especiales. |
Antulius | 8:39219ab1efd9 | 88 | ** ------------------------------------------------------------------- |
Antulius | 8:39219ab1efd9 | 89 | */ |
Antulius | 8:39219ab1efd9 | 90 | |
Antulius | 8:39219ab1efd9 | 91 | /************************************************* |
Antulius | 8:39219ab1efd9 | 92 | * Host PC Communication channels |
Antulius | 8:39219ab1efd9 | 93 | **************************************************/ |
Antulius | 7:af295ac5f904 | 94 | Serial terminal(USBTX, USBRX); // Inicializa la Comunicación Serial a la PC |
Antulius | 8:39219ab1efd9 | 95 | //Serial terminal(PTA2,PTA1); // Terminal Serial |
Antulius | 8:39219ab1efd9 | 96 | //Serial terminal(PTE0, PTE1); // Tx, Rx Using MAX3232 or BlueTooth |
Antulius | 8:39219ab1efd9 | 97 | |
Antulius | 8:39219ab1efd9 | 98 | /************************************************* |
Antulius | 8:39219ab1efd9 | 99 | * Bluetooth Communication support |
Antulius | 8:39219ab1efd9 | 100 | ************************************************** |
Antulius | 8:39219ab1efd9 | 101 | * Initialize the library with the numbers of the interface pins |
Antulius | 8:39219ab1efd9 | 102 | * Board Freedom FRDM-KL46Z |
Antulius | 8:39219ab1efd9 | 103 | * IDE Mbed On Line Compiler |
Antulius | 8:39219ab1efd9 | 104 | ***************************************************/ |
Antulius | 8:39219ab1efd9 | 105 | Serial bluetooth(PTE0, PTE1); // Tx, Rx |
Antulius | 8:39219ab1efd9 | 106 | |
Antulius | 8:39219ab1efd9 | 107 | /************************************************* |
Antulius | 8:39219ab1efd9 | 108 | * I2C Communication |
Antulius | 8:39219ab1efd9 | 109 | ************************************************** |
Antulius | 8:39219ab1efd9 | 110 | * Initialize the library with the numbers of the interface pins |
Antulius | 8:39219ab1efd9 | 111 | * Board Freedom FRDM-KL46Z |
Antulius | 8:39219ab1efd9 | 112 | * IDE Mbed On Line Compiler |
Antulius | 8:39219ab1efd9 | 113 | * LCD I2C PCF8574A |
Antulius | 8:39219ab1efd9 | 114 | * Pin Board LCD |
Antulius | 8:39219ab1efd9 | 115 | * I2C_SCL SCL (white) + resistance pull-up 4.7k |
Antulius | 8:39219ab1efd9 | 116 | * I2C_SDA SDA (blue) + resistance pull-up 4.7k |
Antulius | 8:39219ab1efd9 | 117 | * 5V 5V (red) |
Antulius | 8:39219ab1efd9 | 118 | * GND GND (black) |
Antulius | 8:39219ab1efd9 | 119 | ***************************************************/ |
Antulius | 9:26618de199fc | 120 | I2C i2c_lcd(PTC2,PTC1); // SDA, SCL |
Antulius | 8:39219ab1efd9 | 121 | |
Antulius | 8:39219ab1efd9 | 122 | /************************************************* |
Antulius | 8:39219ab1efd9 | 123 | * SPI Communication |
Antulius | 8:39219ab1efd9 | 124 | ************************************************** |
Antulius | 8:39219ab1efd9 | 125 | * Initialize the library with the numbers of the interface pins |
Antulius | 8:39219ab1efd9 | 126 | * Board Freedom FRDM-KL46Z |
Antulius | 8:39219ab1efd9 | 127 | * IDE Mbed On Line Compiler |
Antulius | 8:39219ab1efd9 | 128 | * LCD SPI SN74HC595 |
Antulius | 8:39219ab1efd9 | 129 | * Pin Board LCD |
Antulius | 8:39219ab1efd9 | 130 | * SPI_MOSI SER (white) |
Antulius | 8:39219ab1efd9 | 131 | * SPI_MISO none (blue) |
Antulius | 8:39219ab1efd9 | 132 | * SPI_CLK SRCLK |
Antulius | 8:39219ab1efd9 | 133 | * SPI_PCS RCLK |
Antulius | 8:39219ab1efd9 | 134 | * 5V 5V (red) |
Antulius | 8:39219ab1efd9 | 135 | * GND GND (black) |
Antulius | 8:39219ab1efd9 | 136 | ***************************************************/ |
Antulius | 9:26618de199fc | 137 | //SPI spi_lcd(PTD6,PTD7,PTD5,PTD4); // MOSI, MISO, SCLK, SSEL |
Antulius | 8:39219ab1efd9 | 138 | |
Antulius | 9:26618de199fc | 139 | // LCD instantiation |
Antulius | 9:26618de199fc | 140 | /************************************************* |
Antulius | 9:26618de199fc | 141 | * Instantiation for creating a TextLCD interface |
Antulius | 9:26618de199fc | 142 | * for using control and functions over selected port |
Antulius | 9:26618de199fc | 143 | ***************************************************/ |
Antulius | 9:26618de199fc | 144 | //TextLCD lcd(PTC6,PTC7, PTC8, PTC9, PTC10, PCT11, TextLCD::LCD16x2); // 4bit bus: rs, e, d4-d7 |
Antulius | 9:26618de199fc | 145 | TextLCD_I2C lcd(&i2c_lcd, 0x7E, TextLCD::LCD20x4); // I2C bus, PCF8574A Arduino Shield, LCD Type |
Antulius | 9:26618de199fc | 146 | //TextLCD_SPI lcd(&spi_lcd, PTD4, TextLCD::LCD16x4, TextLCD::HD44780); // SPI bus, SN74595 expander, CS pin, LCD Type |
Antulius | 8:39219ab1efd9 | 147 | |
Antulius | 6:333a2763ad29 | 148 | /* |
Antulius | 8:39219ab1efd9 | 149 | ** =================================================================== |
Antulius | 8:39219ab1efd9 | 150 | ** Variables Globales del Programa |
Antulius | 8:39219ab1efd9 | 151 | ** =================================================================== |
Antulius | 6:333a2763ad29 | 152 | */ |
Antulius | 7:af295ac5f904 | 153 | uint16_t Rate=Ticker_Rate/2; // Velocidad de barrido (500us = 0.5ms) |
Antulius | 7:af295ac5f904 | 154 | uint16_t counter=250; // Cuenta inicial de 250us |
Antulius | 8:39219ab1efd9 | 155 | int16_t N_Interrupciones; // Contador de Overrunig |
Antulius | 6:333a2763ad29 | 156 | /* |
Antulius | 6:333a2763ad29 | 157 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
Antulius | 7:af295ac5f904 | 158 | | Definición de Funciones Prototipo y Rutinas de los Vectores de Interrupción |
Antulius | 6:333a2763ad29 | 159 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
Antulius | 6:333a2763ad29 | 160 | */ |
Antulius | 8:39219ab1efd9 | 161 | void setup(void); // Rutina de Inicialización para el Hardware |
Antulius | 9:26618de199fc | 162 | void Ticker_OnInterrupt(void); // Rutina de Atención para el Ticker |
Antulius | 8:39219ab1efd9 | 163 | void buzzer_beep(void); // Pitidos del Buzzer |
Antulius | 9:26618de199fc | 164 | void I2C_scanner(void); // Busca dispositivos conectados al bus I2C |
Antulius | 8:39219ab1efd9 | 165 | void test_LCD(void); // Prueba la operación del LCD |
Antulius | 8:39219ab1efd9 | 166 | void blinking_led(void); // Rutina de Parpadeo del Led monitor |
Antulius | 9:26618de199fc | 167 | /* END definitions */ |
Antulius | 6:333a2763ad29 | 168 | /* |
Antulius | 6:333a2763ad29 | 169 | #=============================================================================== |
Antulius | 6:333a2763ad29 | 170 | | |
Antulius | 6:333a2763ad29 | 171 | | P R O G R A M A P R I N C I P A L |
Antulius | 6:333a2763ad29 | 172 | | |
Antulius | 6:333a2763ad29 | 173 | #=============================================================================== |
Antulius | 6:333a2763ad29 | 174 | */ |
Antulius | 6:333a2763ad29 | 175 | int main() |
Antulius | 6:333a2763ad29 | 176 | { |
Antulius | 6:333a2763ad29 | 177 | // Inicialización de variables, puertos e interrupciones |
Antulius | 8:39219ab1efd9 | 178 | terminal.baud(115200); // Se configura la velocidad de transmisión e inicia la comunicación serial. |
Antulius | 7:af295ac5f904 | 179 | terminal.printf(" System is Wake Up!.\n\r"); |
Antulius | 8:39219ab1efd9 | 180 | setup(); //Inicializa el Hardware Principal |
Antulius | 9:26618de199fc | 181 | lcd.setBacklight(TextLCD::LightOn); // Enciende la Iluminación de Fondo |
Antulius | 7:af295ac5f904 | 182 | while (true) // El Lazo del Programa principal está aquí !!! |
Antulius | 6:333a2763ad29 | 183 | { |
Antulius | 8:39219ab1efd9 | 184 | lcd.cls(); |
Antulius | 8:39219ab1efd9 | 185 | lcd.locate(0,0); |
Antulius | 8:39219ab1efd9 | 186 | lcd.printf("Bienvenidos Sean"); // El LCD saluda al Mundo |
Antulius | 8:39219ab1efd9 | 187 | lcd.printf(" a la \n"); // y a la |
Antulius | 9:26618de199fc | 188 | lcd.setInvert(on); |
Antulius | 8:39219ab1efd9 | 189 | lcd.printf("Gloriosa ESIME !\n"); // Gloriosa ESIME ! |
Antulius | 9:26618de199fc | 190 | lcd.setInvert(off); |
Antulius | 8:39219ab1efd9 | 191 | lcd.locate(0,4); |
Antulius | 8:39219ab1efd9 | 192 | lcd.printf("Flashings: %d",N_Interrupciones); // Led Flasings Transcurridos |
Antulius | 8:39219ab1efd9 | 193 | wait(0.5); |
Antulius | 8:39219ab1efd9 | 194 | |
Antulius | 8:39219ab1efd9 | 195 | // Blinking_Led(); // Parapadeo del LED por Software |
emilmont | 0:0f00f07ebde0 | 196 | } |
Antulius | 6:333a2763ad29 | 197 | } |
Antulius | 7:af295ac5f904 | 198 | /* END main */ |
Antulius | 7:af295ac5f904 | 199 | |
Antulius | 7:af295ac5f904 | 200 | /* |
Antulius | 7:af295ac5f904 | 201 | ................................................................................ |
Antulius | 7:af295ac5f904 | 202 | : Rutinas de los Vectores de Interrupción |
Antulius | 7:af295ac5f904 | 203 | ................................................................................ |
Antulius | 7:af295ac5f904 | 204 | */ |
Antulius | 9:26618de199fc | 205 | void Ticker_OnInterrupt() // Rutina de Atención al Ticker |
Antulius | 7:af295ac5f904 | 206 | { |
Antulius | 7:af295ac5f904 | 207 | counter--; // Aquí va la Rutina de Servicio ! |
Antulius | 7:af295ac5f904 | 208 | if (!counter) |
Antulius | 7:af295ac5f904 | 209 | { |
Antulius | 9:26618de199fc | 210 | N_Interrupciones++; |
Antulius | 9:26618de199fc | 211 | terminal.printf("Counter Finish! %d Times \r",N_Interrupciones); |
Antulius | 7:af295ac5f904 | 212 | led_monitor = !led_monitor; // Parapadeo del LED por Interrupción (Toggle the LED) |
Antulius | 7:af295ac5f904 | 213 | counter = Rate; // Restablece el contador |
Antulius | 8:39219ab1efd9 | 214 | } |
Antulius | 7:af295ac5f904 | 215 | } |
Antulius | 7:af295ac5f904 | 216 | /* END Events */ |
Antulius | 7:af295ac5f904 | 217 | /* |
Antulius | 7:af295ac5f904 | 218 | ________________________________________________________________________________ |
Antulius | 7:af295ac5f904 | 219 | | |
Antulius | 7:af295ac5f904 | 220 | | Funciones Prototipo |
Antulius | 7:af295ac5f904 | 221 | |_______________________________________________________________________________ |
Antulius | 7:af295ac5f904 | 222 | */ |
Antulius | 7:af295ac5f904 | 223 | // Las Funciones Prototipo van aquí ! |
Antulius | 8:39219ab1efd9 | 224 | void setup() // Inicialización del Hardware del Sistema |
Antulius | 8:39219ab1efd9 | 225 | { |
Antulius | 8:39219ab1efd9 | 226 | /* Inicia la comunicación la Terminal */ /* 115200 Bauds, 8 bits, 1 stop, N parity */ |
Antulius | 8:39219ab1efd9 | 227 | terminal.baud(115200); // Se inicia la comunicación serial. |
Antulius | 9:26618de199fc | 228 | terminal.printf("Beginig Start Up, Please wait...\n\r"); |
Antulius | 9:26618de199fc | 229 | terminal.printf("Testing Buzzer... \n\r"); |
Antulius | 9:26618de199fc | 230 | buzzer_beep(); |
Antulius | 8:39219ab1efd9 | 231 | /* Inicialización del Bluetooth */ |
Antulius | 8:39219ab1efd9 | 232 | bluetooth.baud(115200); // Se inicia la comunicación Bluetooth. |
Antulius | 8:39219ab1efd9 | 233 | // bluetooth.scanf("%s", buf); //Lee un carácter desde el Bluetooth |
Antulius | 8:39219ab1efd9 | 234 | // bluetooth.printf("recv: %s", buf); //Hace eco al Bluetooth |
Antulius | 8:39219ab1efd9 | 235 | // terminal.printf("recv: %s\r\n", buf); //Imprime en la Terminal el caracter recibido |
Antulius | 8:39219ab1efd9 | 236 | bluetooth.printf("Bluetooth Starting OK! ... \n\r"); |
Antulius | 8:39219ab1efd9 | 237 | terminal.printf("Bluetooth Starting OK! ... \n\r"); |
Antulius | 8:39219ab1efd9 | 238 | /* Prueba del Buzzer */ |
Antulius | 9:26618de199fc | 239 | |
Antulius | 8:39219ab1efd9 | 240 | |
Antulius | 8:39219ab1efd9 | 241 | /* Configufración del Display LCD */ /* Mucho OjO !!! */ |
Antulius | 8:39219ab1efd9 | 242 | |
Antulius | 8:39219ab1efd9 | 243 | /* LCD Utilizando el SPI */ |
Antulius | 9:26618de199fc | 244 | // spi_lcd.frequency(1000000); // Frecuencia de operación para el SPI |
Antulius | 9:26618de199fc | 245 | // spi_lcd.format(8,0); // Modo de Operación para el SPI |
Antulius | 9:26618de199fc | 246 | // terminal.printf("SPI Initalzed...\n\r"); |
Antulius | 8:39219ab1efd9 | 247 | /* LCD Utilizando el I2C */ |
Antulius | 9:26618de199fc | 248 | I2C_scanner(); // Busca Dispositivos I2C conectados al Bus |
Antulius | 9:26618de199fc | 249 | i2c_lcd.frequency(100000); // Frecuencia de operación para el I2C (100KHz) |
Antulius | 8:39219ab1efd9 | 250 | i2c_lcd.start(); // Inicio de operación para el I2C |
Antulius | 8:39219ab1efd9 | 251 | terminal.printf("I2C Initialized...\n\r"); |
Antulius | 8:39219ab1efd9 | 252 | /* Prueba de operación del LCD */ |
Antulius | 8:39219ab1efd9 | 253 | terminal.printf("LCD Test, please wait...\n\r"); |
Antulius | 9:26618de199fc | 254 | test_LCD(); // Rutina de prueba del LCD |
Antulius | 8:39219ab1efd9 | 255 | terminal.printf("LCD Initialized Succesfuly...\n\r"); |
Antulius | 8:39219ab1efd9 | 256 | /* Arranque de la interrupción por el Ticker */ |
Antulius | 8:39219ab1efd9 | 257 | terminal.printf("Ticker Starting Now...\n\r"); |
Antulius | 9:26618de199fc | 258 | TimerInt.attach_us(&Ticker_OnInterrupt, Ticker_Rate); // Le asigna el periodo de barrido de 1ms (Ticker_Rate=1000) |
Antulius | 8:39219ab1efd9 | 259 | } |
Antulius | 8:39219ab1efd9 | 260 | |
Antulius | 8:39219ab1efd9 | 261 | void test_LCD() |
Antulius | 8:39219ab1efd9 | 262 | { |
Antulius | 9:26618de199fc | 263 | // lcd.init(TextLCD::LCDDatalength, 4 ); // Configura el LCD en Modo 4 Bits (Modo GPIO) |
Antulius | 9:26618de199fc | 264 | lcd.setBacklight(TextLCD::LightOn); // Enciende la Iluminación de Fondo |
Antulius | 9:26618de199fc | 265 | lcd.setCursor(TextLCD::CurOff_BlkOff);// Apaga el Cursor y Apaga el Parpadeo |
Antulius | 9:26618de199fc | 266 | lcd.cls(); // Limpia la Pantalla LCD |
Antulius | 9:26618de199fc | 267 | lcd.printf("Hello World!\n"); // El LCD saluda al Mundo! |
Antulius | 8:39219ab1efd9 | 268 | lcd.setInvert(on); |
Antulius | 9:26618de199fc | 269 | lcd.printf("Hola Mundo!\n"); // El LCD saluda al Mundo! |
Antulius | 9:26618de199fc | 270 | lcd.setInvert(off); |
Antulius | 9:26618de199fc | 271 | lcd.printf("Ciao Mondo!\n"); // El LCD saluda al Mundo! |
Antulius | 9:26618de199fc | 272 | lcd.setInvert(on); |
Antulius | 9:26618de199fc | 273 | lcd.printf("Bonjour le Monde"); // El LCD saluda al Mundo! |
Antulius | 9:26618de199fc | 274 | wait(5); |
Antulius | 8:39219ab1efd9 | 275 | lcd.cls(); // Limpia el Display LCD |
Antulius | 9:26618de199fc | 276 | lcd.setCursor(TextLCD::CurOn_BlkOn); // Cursor Encendido, Parpadeo Encendido |
Antulius | 9:26618de199fc | 277 | terminal.printf("TextLCD Enhanced Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows()); |
Antulius | 9:26618de199fc | 278 | Timer Elpased_Time; // Inicializa el Tiempo a Transcurrir |
Antulius | 9:26618de199fc | 279 | Elpased_Time.start(); // Comienza a contar el tiempo transcurrido |
Antulius | 8:39219ab1efd9 | 280 | for (int row=0; row<lcd.rows(); row++)// Prueba toda la Pantalla |
Antulius | 8:39219ab1efd9 | 281 | { |
Antulius | 9:26618de199fc | 282 | int col=0; |
Antulius | 9:26618de199fc | 283 | terminal.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row)); |
Antulius | 9:26618de199fc | 284 | lcd.putc('0' + row); // Enumera los renglones |
Antulius | 8:39219ab1efd9 | 285 | for (col=1; col<lcd.columns()-1; col++) |
Antulius | 8:39219ab1efd9 | 286 | { |
Antulius | 9:26618de199fc | 287 | lcd.putc('*'); // Llena la linea con el carácter "*" |
Antulius | 8:39219ab1efd9 | 288 | } |
Antulius | 9:26618de199fc | 289 | terminal.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row)); |
Antulius | 9:26618de199fc | 290 | lcd.putc('+'); // Al final de la línea agrega el "+" |
Antulius | 8:39219ab1efd9 | 291 | } |
Antulius | 9:26618de199fc | 292 | Elpased_Time.stop(); // Detiene el Contador de Ticks |
Antulius | 9:26618de199fc | 293 | terminal.printf("All my hard work took %f sec\r\n", Elpased_Time.read()); // Calcula el tiempo transcurrido |
Antulius | 9:26618de199fc | 294 | wait(1); // Espera por 1 segundo |
Antulius | 9:26618de199fc | 295 | terminal.printf("LCD Display and TextLCD Enhanced Test Completed.\n\r"); |
Antulius | 9:26618de199fc | 296 | wait(1); // Espera 1 segundo |
Antulius | 9:26618de199fc | 297 | lcd.cls(); // Limpia la Pantalla |
Antulius | 9:26618de199fc | 298 | // lcd.setBacklight(TextLCD::LightOff); // Apaga la Iluminación de Fondo |
Antulius | 9:26618de199fc | 299 | lcd.setCursor(TextLCD::CurOff_BlkOn); // Apaga el Cursor y Enciende el Parpadeo |
Antulius | 8:39219ab1efd9 | 300 | // Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780. |
Antulius | 8:39219ab1efd9 | 301 | // They are defined by a 5x7 bitpattern. |
Antulius | 9:26618de199fc | 302 | lcd.setUDC(0, (char *) udc_0); // Selecciona el caracter para el cursor |> |
Antulius | 9:26618de199fc | 303 | lcd.putc(0); // Lo imprime en la Pantalla LCD |
Antulius | 9:26618de199fc | 304 | lcd.printf(" LCD Ready... "); // El LCD está listo para usarse |
Antulius | 9:26618de199fc | 305 | wait(2); // Espera 2 segundos |
Antulius | 9:26618de199fc | 306 | lcd.setCursor(TextLCD::CurOff_BlkOff);// Apaga el Cursor y Apaga el Parpadeo |
Antulius | 9:26618de199fc | 307 | terminal.printf("LCD Starting OK! ... \n\r"); |
Antulius | 8:39219ab1efd9 | 308 | } |
Antulius | 8:39219ab1efd9 | 309 | |
Antulius | 9:26618de199fc | 310 | void buzzer_beep() // Software routine for Buzzer Beep |
Antulius | 8:39219ab1efd9 | 311 | { |
Antulius | 9:26618de199fc | 312 | buzzer = Buzz_On; |
Antulius | 9:26618de199fc | 313 | wait_ms(750); |
Antulius | 9:26618de199fc | 314 | buzzer = Buzz_Off; |
Antulius | 9:26618de199fc | 315 | wait_ms(125); |
Antulius | 9:26618de199fc | 316 | buzzer = Buzz_On; |
Antulius | 9:26618de199fc | 317 | wait_ms(250); |
Antulius | 9:26618de199fc | 318 | buzzer = Buzz_Off; |
Antulius | 9:26618de199fc | 319 | wait_ms(125); |
Antulius | 9:26618de199fc | 320 | buzzer = Buzz_On; |
Antulius | 9:26618de199fc | 321 | wait_ms(500); |
Antulius | 9:26618de199fc | 322 | buzzer = Buzz_Off; |
Antulius | 8:39219ab1efd9 | 323 | } |
Antulius | 8:39219ab1efd9 | 324 | |
Antulius | 8:39219ab1efd9 | 325 | void blinking_led() // Software Blinking routine for LED |
Antulius | 7:af295ac5f904 | 326 | { |
Antulius | 7:af295ac5f904 | 327 | // The on-board LED is connected, via a resistor, to +3.3V (not to GND). |
Antulius | 7:af295ac5f904 | 328 | // So to turn the LED on or off we have to set it to 0 or 1 respectively |
Antulius | 7:af295ac5f904 | 329 | led_monitor = 0; // turn the LED on |
Antulius | 7:af295ac5f904 | 330 | wait_ms(200); // 200 millisecond |
Antulius | 7:af295ac5f904 | 331 | led_monitor = 1; // turn the LED off |
Antulius | 7:af295ac5f904 | 332 | wait_ms(1000); // 1000 millisecond |
Antulius | 7:af295ac5f904 | 333 | } |
Antulius | 9:26618de199fc | 334 | |
Antulius | 8:39219ab1efd9 | 335 | void I2C_scanner() |
Antulius | 8:39219ab1efd9 | 336 | { |
Antulius | 8:39219ab1efd9 | 337 | terminal.printf ("I2C scanner. Scanning ..."); |
Antulius | 8:39219ab1efd9 | 338 | uint8_t count = 0; |
Antulius | 8:39219ab1efd9 | 339 | char test[] = { 0b00000000, 0b00000000, // RS=0, EN=1,0, LED+=1, NC, DB4=DB5=DB6=DB7=0 en datos |
Antulius | 8:39219ab1efd9 | 340 | 0b01101100, 0b00101100, // RS=0, EN=1,0, LED+=1, NC, DB4=DB5=1 en datos, |
Antulius | 8:39219ab1efd9 | 341 | 0b01101100, 0b00101100, // RS=0, EN=1,0, LED+=1, NC, DB4=DB5=1 en datos, |
Antulius | 8:39219ab1efd9 | 342 | 0b01101100, 0b00101100, // RS=0, EN=1,0, LED+=1, NC, DB4=DB5=1 en datos, |
Antulius | 8:39219ab1efd9 | 343 | 0b01100100, 0b00100100, // RS=0, EN=1,0, LED+=1, NC, DB5=1 en datos, |
Antulius | 8:39219ab1efd9 | 344 | 0b01100100, 0b00100100, // RS=0, EN=1,0, LED+=1, NC, DB5=1 en datos, |
Antulius | 8:39219ab1efd9 | 345 | 0b01100110, 0b00100001, // RS=0, EN=1,0, LED+=1, NC, DB7=N=1 2 líneas, DB6=F=0 5x7puntos, |
Antulius | 8:39219ab1efd9 | 346 | 0b01100000, 0b00100000, // => Display ON/OFF Control. |
Antulius | 8:39219ab1efd9 | 347 | 0b01100001, 0b00100001, // RS=0, EN=1,0, LED+=1, NC, DB7=1 (Display off, cursor off, blink off) |
Antulius | 8:39219ab1efd9 | 348 | 0b01100000, 0b00100000, // => Display Clear. |
Antulius | 8:39219ab1efd9 | 349 | 0b01101000, 0b00101000};// RS=0, EN=1,0, LED+=1, NC, DB4=1 en datos, (Cursor Home}; // Patrón de Prueba |
Antulius | 8:39219ab1efd9 | 350 | |
Antulius | 9:26618de199fc | 351 | // char test[] = {0x55,0xAA,0x0F,0xF0,0xFF,0x00};// Patrón de Prueba |
Antulius | 8:39219ab1efd9 | 352 | i2c_lcd.frequency(100000); // Frecuencia de operación para el I2C (100KHz) |
Antulius | 8:39219ab1efd9 | 353 | i2c_lcd.start(); // Inicio de operación para el I2C |
Antulius | 8:39219ab1efd9 | 354 | for (int i = 8; i < 128; i++) |
Antulius | 8:39219ab1efd9 | 355 | { |
Antulius | 8:39219ab1efd9 | 356 | uint8_t acknoledge = i2c_lcd.write (i,test,22,1); //(dirección, ap_datos, N°_datos, repetición) |
Antulius | 8:39219ab1efd9 | 357 | if (acknoledge == 0) |
Antulius | 8:39219ab1efd9 | 358 | { |
Antulius | 8:39219ab1efd9 | 359 | terminal.printf ("\n\rFound address: "); |
Antulius | 8:39219ab1efd9 | 360 | terminal.printf ("%u DEC",i); // Valor de la dirección en Decimal |
Antulius | 9:26618de199fc | 361 | terminal.printf (" (0x%x HEX)\n\r",i);// Valor de la dirección en Hexadecimal |
Antulius | 9:26618de199fc | 362 | char data = i2c_lcd.read (i); // Lee el dato en la dirección |
Antulius | 9:26618de199fc | 363 | terminal.printf ("Data: (0x%hd HEX)\n\r",data); // Valor del último dato en la dirección en Hexadecimal |
Antulius | 8:39219ab1efd9 | 364 | count++; |
Antulius | 8:39219ab1efd9 | 365 | |
Antulius | 8:39219ab1efd9 | 366 | wait (1); // maybe unneeded? |
Antulius | 8:39219ab1efd9 | 367 | } // end of good response |
Antulius | 8:39219ab1efd9 | 368 | led_monitor = !led_monitor; // Parapadeo del LED |
Antulius | 8:39219ab1efd9 | 369 | } // end of for loop |
Antulius | 8:39219ab1efd9 | 370 | led_monitor = 1; // Apaga el LED |
Antulius | 8:39219ab1efd9 | 371 | i2c_lcd.stop(); // Fin de operación para el I2C |
Antulius | 8:39219ab1efd9 | 372 | terminal.printf ("\n\rDone.\n\r"); |
Antulius | 8:39219ab1efd9 | 373 | terminal.printf ("Found %d Device(s)\n\r",count); |
Antulius | 8:39219ab1efd9 | 374 | } // end of setup |
Antulius | 7:af295ac5f904 | 375 | |
Antulius | 7:af295ac5f904 | 376 | /* END Program */ |
Antulius | 7:af295ac5f904 | 377 | |
Antulius | 9:26618de199fc | 378 | /*+----------------------------------------------------------------------------- |
Antulius | 9:26618de199fc | 379 | *+ Direccinamiento de la RAM del Display: |
Antulius | 9:26618de199fc | 380 | *+ |
Antulius | 9:26618de199fc | 381 | *+ Los módulos de 8x1 (obsoletos) están arreglados como una líneas de |
Antulius | 9:26618de199fc | 382 | *+ 8 caracteres de lada a lado. |
Antulius | 9:26618de199fc | 383 | *+ "Linea 1" Las direcciones comienzan en 80h a 87h |
Antulius | 9:26618de199fc | 384 | *+ |
Antulius | 9:26618de199fc | 385 | *+ Los módulos de 16x1 están arreglados como dos líneas de 8 caracteres de lada a lado. |
Antulius | 9:26618de199fc | 386 | *+ "Linea 1" Las direcciones comienzan en 80h a 87h (primera parte de la línea) |
Antulius | 9:26618de199fc | 387 | *+ "Linea 1" Las direcciones comienzan en C0h a C7h (segunda parte de la línea) |
Antulius | 9:26618de199fc | 388 | *+ de manera que al escribir caracteres al módulo, el cursor se incrementará automaticamente |
Antulius | 9:26618de199fc | 389 | *+ hasta alcanzar el 9° caracter entonces tendrá que mover el cursor a la dirección C0h antes |
Antulius | 9:26618de199fc | 390 | *+ de escribir el 9° caracter en el módulo de 1x16. |
Antulius | 9:26618de199fc | 391 | *+ |
Antulius | 9:26618de199fc | 392 | *+ Módulo de 16x2 es dos líneas por 16 caracteres |
Antulius | 9:26618de199fc | 393 | *+ "Linea 1" Las direcciones comienzan en 80h a 8Fh |
Antulius | 9:26618de199fc | 394 | *+ "Linea 2" Las direcciones comienzan en C0h a CFh |
Antulius | 9:26618de199fc | 395 | *+ |
Antulius | 9:26618de199fc | 396 | *+ Módulo de 16x4 |
Antulius | 9:26618de199fc | 397 | *+ "Linea 1" Las direcciones comienzan en 80h a 8Fh |
Antulius | 9:26618de199fc | 398 | *+ "Linea 2" Las direcciones comienzan en C0h a CFh |
Antulius | 9:26618de199fc | 399 | *+ "Linea 3" Las direcciones comienzan en 90h a 9Fh |
Antulius | 9:26618de199fc | 400 | *+ "Linea 4" Las direcciones comienzan en D0h a DFh |
Antulius | 9:26618de199fc | 401 | *+ |
Antulius | 9:26618de199fc | 402 | *+ Módulo de 20x1 |
Antulius | 9:26618de199fc | 403 | *+ "Linea 1" Las direcciones comienzan en 80h a 93h |
Antulius | 9:26618de199fc | 404 | *+ |
Antulius | 9:26618de199fc | 405 | *+ Módulo de 20x2 |
Antulius | 9:26618de199fc | 406 | *+ "Linea 1" Las direcciones comienzan en 80h a 93h |
Antulius | 9:26618de199fc | 407 | *+ "Linea 2" Las direcciones comienzan en C0h a D3h |
Antulius | 9:26618de199fc | 408 | *+ |
Antulius | 9:26618de199fc | 409 | *+ Módulo de 20x4 |
Antulius | 9:26618de199fc | 410 | *+ "Linea 1" Las direcciones comienzan en 80h a 93h |
Antulius | 9:26618de199fc | 411 | *+ "Linea 2" Las direcciones comienzan en C0h a D3h |
Antulius | 9:26618de199fc | 412 | *+ "Linea 3" Las direcciones comienzan en 94h a A7h |
Antulius | 9:26618de199fc | 413 | *+ "Linea 4" Las direcciones comienzan en D4h a E7h |
Antulius | 9:26618de199fc | 414 | *+ |
Antulius | 9:26618de199fc | 415 | *+ Módulo de 24x2 |
Antulius | 9:26618de199fc | 416 | *+ "Linea 1" Las direcciones comienzan en 80h a 98h |
Antulius | 9:26618de199fc | 417 | *+ "Linea 2" Las direcciones comienzan en C0h a D8h |
Antulius | 9:26618de199fc | 418 | *+ |
Antulius | 9:26618de199fc | 419 | *+ Módulo de 32x2 |
Antulius | 9:26618de199fc | 420 | *+ "Linea 1" Las direcciones comienzan en 80h a A0h |
Antulius | 9:26618de199fc | 421 | *+ "Linea 2" Las direcciones comienzan en C0h a E0h |
Antulius | 9:26618de199fc | 422 | *+ |
Antulius | 9:26618de199fc | 423 | *+ Módulo de 40x2 |
Antulius | 9:26618de199fc | 424 | *+ "Linea 1" Las direcciones comienzan en 80h a A7h |
Antulius | 9:26618de199fc | 425 | *+ "Linea 2" Las direcciones comienzna en C0h a E7h |
Antulius | 9:26618de199fc | 426 | *+ |
Antulius | 9:26618de199fc | 427 | *+ |
Antulius | 9:26618de199fc | 428 | *+--------------------------------------------------------------------------- */ |
Antulius | 9:26618de199fc | 429 | |
Antulius | 9:26618de199fc | 430 | /*+----------------------------------------------------------------------------- |
Antulius | 9:26618de199fc | 431 | *+ Inicializaci¢n del Display de Cristal Líquido Alfanumérico en modo de 4 bits |
Antulius | 9:26618de199fc | 432 | *+ |
Antulius | 9:26618de199fc | 433 | *+ Definici¢n de pines: |
Antulius | 9:26618de199fc | 434 | *+ __ Vdd GND |
Antulius | 9:26618de199fc | 435 | *+ MOSI MISO SCK SS | | |
Antulius | 9:26618de199fc | 436 | *+ | | | | 10K | |
Antulius | 9:26618de199fc | 437 | *+ | | | | | | |
Antulius | 9:26618de199fc | 438 | *+ CD 4094 DATA NC CLOCK STROBE NC OE QS ---> DATA en la siguiente etapa |
Antulius | 9:26618de199fc | 439 | *+ 74HC 595 SER NC SCLK RCLK SCLR G QH' ---> SER en la siguiente etapa |
Antulius | 9:26618de199fc | 440 | *+ |
Antulius | 9:26618de199fc | 441 | *+ CD 4094 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 |
Antulius | 9:26618de199fc | 442 | *+ 74HC 595 QA QB QC QD QE QF QG QH |
Antulius | 9:26618de199fc | 443 | *+ | | | | | | | | |
Antulius | 9:26618de199fc | 444 | *+ | | | | | | | | |
Antulius | 9:26618de199fc | 445 | *+ HD44780 R/S RW E BL DB4 DB5 DB6 DB7 |
Antulius | 9:26618de199fc | 446 | *+ |
Antulius | 9:26618de199fc | 447 | *+ Notas: El pin RW del LCD debe estar estar siempre en "L" o conectado a GND. |
Antulius | 9:26618de199fc | 448 | *+ El pin E2 es usado solo para el LCD40x4 (segundo controlador) |
Antulius | 9:26618de199fc | 449 | *+ La señal BL = LED+ y debe ser usado para control del Backlight |
Antulius | 9:26618de199fc | 450 | *+ Para enviar cualquier dato o instrucci¢n hay que hacer una _ |
Antulius | 9:26618de199fc | 451 | *+ transici¢n de bajo a alto en el pin de E (Enable) del LCD. _| |_ |
Antulius | 9:26618de199fc | 452 | *+ |
Antulius | 9:26618de199fc | 453 | *+------------------------------------------------------------------------------ |
Antulius | 9:26618de199fc | 454 | *+ |
Antulius | 9:26618de199fc | 455 | *+ Ubicaciónn de pines: |
Antulius | 9:26618de199fc | 456 | *+ --------------------------------------------------------------------- |
Antulius | 9:26618de199fc | 457 | *+ | _______________________________________________________________ | |
Antulius | 9:26618de199fc | 458 | *+ | | | | |
Antulius | 9:26618de199fc | 459 | *+ | | | | |
Antulius | 9:26618de199fc | 460 | *+ | | | | |
Antulius | 9:26618de199fc | 461 | *+ | | | | |
Antulius | 9:26618de199fc | 462 | *+ | | | | |
Antulius | 9:26618de199fc | 463 | *+ | | | | |
Antulius | 9:26618de199fc | 464 | *+ | |_______________________________________________________________| | |
Antulius | 9:26618de199fc | 465 | *+ | | |
Antulius | 9:26618de199fc | 466 | *+ --------------------------------------------------------------------- |
Antulius | 9:26618de199fc | 467 | *+ | | | | | | | | | | | | | | | | |
Antulius | 9:26618de199fc | 468 | *+ | | | | | | | | | | | | | | | | |
Antulius | 9:26618de199fc | 469 | *+ 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 |
Antulius | 9:26618de199fc | 470 | *+ |
Antulius | 9:26618de199fc | 471 | *+ 1 Vss - GND |
Antulius | 9:26618de199fc | 472 | *+ 2 Vdd - Vcc |
Antulius | 9:26618de199fc | 473 | *+ 3 Vee - Ajuste de contraste |
Antulius | 9:26618de199fc | 474 | *+ 4 RS - (Register/String) 0=Entrada de Instrucción, 1=Entrada de Dato |
Antulius | 9:26618de199fc | 475 | *+ 5 RW - Lectura/Escritura 0=Escribe al LCD, 1=Lee del LCD |
Antulius | 9:26618de199fc | 476 | *+ 6 E - Señal de Habilitación "101" |
Antulius | 9:26618de199fc | 477 | *+ 7 DB0 - Línea 0 del bus de datos |
Antulius | 9:26618de199fc | 478 | *+ 8 DB1 - Línea 1 del bus de datos |
Antulius | 9:26618de199fc | 479 | *+ 9 DB2 - Línea 2 del bus de datos |
Antulius | 9:26618de199fc | 480 | *+ 10 DB3 - Línea 3 del bus de datos _ |
Antulius | 9:26618de199fc | 481 | *+ 11 DB4 - Línea 4 del bus de datos | |
Antulius | 9:26618de199fc | 482 | *+ 12 DB5 - Línea 5 del bus de datos \ Operación en 4 bits |
Antulius | 9:26618de199fc | 483 | *+ 13 DB6 - Línea 6 del bus de datos / |
Antulius | 9:26618de199fc | 484 | *+ 14 DB7 - Línea 7 del bus de datos _| |
Antulius | 9:26618de199fc | 485 | *+ 15 LED+ Ánodo Backlight |
Antulius | 9:26618de199fc | 486 | *+ 16 LED- Cátodo Backlight |
Antulius | 9:26618de199fc | 487 | *+ |
Antulius | 9:26618de199fc | 488 | *+------------------------------------------------------------------------------ |
Antulius | 9:26618de199fc | 489 | *+ |
Antulius | 9:26618de199fc | 490 | *+ +5V ------------*----------- Vcc PTE19 PTE18 PTE20 PTE21 PTE22 PTE23 |
Antulius | 9:26618de199fc | 491 | *+ | RS E D4 D5 D6 D7 |
Antulius | 9:26618de199fc | 492 | *+ / |
Antulius | 9:26618de199fc | 493 | *+ 10k to \<---------- Vee R/W ---> GND |
Antulius | 9:26618de199fc | 494 | *+ 20k pot / A ---> PWM1 o R=330 ---> Vcc |
Antulius | 9:26618de199fc | 495 | *+ \ K ---> GND |
Antulius | 9:26618de199fc | 496 | *+ | |
Antulius | 9:26618de199fc | 497 | *+ GND ------------*----------- Vss |
Antulius | 9:26618de199fc | 498 | *+ |
Antulius | 9:26618de199fc | 499 | *+------------------------------------------------------------------------------ |
Antulius | 9:26618de199fc | 500 | *+ |
Antulius | 9:26618de199fc | 501 | *+ Definici¢n de bits: |
Antulius | 9:26618de199fc | 502 | *+ |
Antulius | 9:26618de199fc | 503 | *+ I/D=1: (Increment/Decrement) Incremento (+) del Cursor |
Antulius | 9:26618de199fc | 504 | *+ I/D=0: (Increment/Decrement) Decremento (-) del Cursor |
Antulius | 9:26618de199fc | 505 | *+ D=0: (Display) Apaga el Display |
Antulius | 9:26618de199fc | 506 | *+ D=1: (Display) Enciende el Display |
Antulius | 9:26618de199fc | 507 | *+ C=0: (Cursor) Apaga el Cursor |
Antulius | 9:26618de199fc | 508 | *+ C=1: (Cursor) Enciende el Cursor |
Antulius | 9:26618de199fc | 509 | *+ B=0: (Blinking) Apaga el parpadeo del Cursor |
Antulius | 9:26618de199fc | 510 | *+ B=1: (Blinking) Enciende el parpadeo del Cursor |
Antulius | 9:26618de199fc | 511 | *+ S=0: (Shift) Sin corrimiento del Display |
Antulius | 9:26618de199fc | 512 | *+ S=1: (Shift) Con corrimiento del Display |
Antulius | 9:26618de199fc | 513 | *+ S/C=1: (Shift/Cursor) Con corrimiento del Display |
Antulius | 9:26618de199fc | 514 | *+ S/C=0: (Shift/Cursor) Con Movimiento del Cursor |
Antulius | 9:26618de199fc | 515 | *+ R/L=1: (Right/Left) Corrimiento a la Derecha |
Antulius | 9:26618de199fc | 516 | *+ R/L=0: (Right/Left) Corrimiento a la Izquierda |
Antulius | 9:26618de199fc | 517 | *+ DL=1: (Data Lenght) 8 Bits de datos |
Antulius | 9:26618de199fc | 518 | *+ DL=0: (Data Lenght) 4 Bits de datos |
Antulius | 9:26618de199fc | 519 | *+ N=1: (Number Lines) Modo de 2 Líneas de despliege |
Antulius | 9:26618de199fc | 520 | *+ N=0: (Number Lines) Modo de 1 Línea de despliege |
Antulius | 9:26618de199fc | 521 | *+ F=1: (Font) 5X10 Puntos por caracter |
Antulius | 9:26618de199fc | 522 | *+ F=0: (Font) 5X7 Puntos por caracter |
Antulius | 9:26618de199fc | 523 | *+ BF=1: (Busy Flag) Operación interna en proceso |
Antulius | 9:26618de199fc | 524 | *+ BF=0: (Busy Flag) Listo para aceptar instrucciones/datos |
Antulius | 9:26618de199fc | 525 | *+ DDRAM: (Display Data Ram) |
Antulius | 9:26618de199fc | 526 | *+ CGRAM: (Character Generator RAM) |
Antulius | 9:26618de199fc | 527 | *+ ACC: Address of CGRAM |
Antulius | 9:26618de199fc | 528 | *+ ADD: Address of DDRAM These correspond to curser addresses. |
Antulius | 9:26618de199fc | 529 | *+ AC: Address counter used for both DDRAM and CGRAM |
Antulius | 9:26618de199fc | 530 | *+ |
Antulius | 9:26618de199fc | 531 | *+ RS RW MSB LSB |
Antulius | 9:26618de199fc | 532 | *+ Clear Display 0 0 0 0 0 0 0 0 0 1 |
Antulius | 9:26618de199fc | 533 | *+ Cursor at Home 0 0 0 0 0 0 0 0 1 0 |
Antulius | 9:26618de199fc | 534 | *+ Entry Mode Set 0 0 0 0 0 0 0 1 I/D S |
Antulius | 9:26618de199fc | 535 | *+ Display ON/OFF control 0 0 0 0 0 0 1 D C B |
Antulius | 9:26618de199fc | 536 | *+ Cursor/Display Shift 0 0 0 0 0 1 S/C R/L x x |
Antulius | 9:26618de199fc | 537 | *+ Function Set 0 0 0 0 1 DL N F x x |
Antulius | 9:26618de199fc | 538 | *+ CGRAM 0 0 0 1 -------- ACC -------- |
Antulius | 9:26618de199fc | 539 | *+ DDRAM 0 0 1 ---------- ADD ---------- |
Antulius | 9:26618de199fc | 540 | *+ Busy Flag/Address Read 0 1 1 -----------AC------------ |
Antulius | 9:26618de199fc | 541 | *+ CGRAM/CDDRAM Data Write 1 0 Write Data |
Antulius | 9:26618de199fc | 542 | *+ CGRAM/CDDRAM Data Read 1 1 Read Data |
Antulius | 9:26618de199fc | 543 | *+ |
Antulius | 9:26618de199fc | 544 | *+ |
Antulius | 9:26618de199fc | 545 | *+ Tiempos de Ejecución: |
Antulius | 9:26618de199fc | 546 | *+ Dependiendo del Oscilador Interno del LCD los tiempos de ejecución de las |
Antulius | 9:26618de199fc | 547 | *+ instrucciones pueden variar. |
Antulius | 9:26618de199fc | 548 | *+ Fosc |
Antulius | 9:26618de199fc | 549 | *+ INSTRUCCION 160Khz 250Khz 270Khz |
Antulius | 9:26618de199fc | 550 | *+ Clear Display 120us~4.9ms 82us~1.6ms 40us~1.5ms |
Antulius | 9:26618de199fc | 551 | *+ Cursor Home 120us 40~1.6ms 37us~1.5ms |
Antulius | 9:26618de199fc | 552 | *+ Todas las demás 120us 40us 37us |
Antulius | 9:26618de199fc | 553 | *+ Lectura/Escritura 120us 40us 37us |
Antulius | 9:26618de199fc | 554 | *+ Lectura de Busy Flag 1us 1us 1us |
Antulius | 9:26618de199fc | 555 | |
Antulius | 9:26618de199fc | 556 | *+ El controlador podría estar en modo de 8 bits (reinicio de encendido) |
Antulius | 9:26618de199fc | 557 | *+ o en modo de 4 bits (reinicio en caliente) en este punto. |
Antulius | 9:26618de199fc | 558 | *+ Siga este procedimiento para asegurarse de que el controlador entre en el |
Antulius | 9:26618de199fc | 559 | *+ estado correcto. |
Antulius | 9:26618de199fc | 560 | *+ |
Antulius | 9:26618de199fc | 561 | *+****************************************************************************** |
Antulius | 9:26618de199fc | 562 | *+// Patrón de Configuración del LCD en modo de 4 bits (LSN first) |
Antulius | 9:26618de199fc | 563 | *+****************************************************************************** |
Antulius | 9:26618de199fc | 564 | *+ char init_LCD[] = {0b00000000, 0b00000000, // Datos en DB7=DB6=DB5=DB4=0, LED+=0, EN=0,RW=0,RS=0 |
Antulius | 9:26618de199fc | 565 | *+ 0b00111110, 0b00111010, // Datos en DB5=DB4=1, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 566 | *+ 0b00111110, 0b00111010, // Datos en DB5=DB4=1, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 567 | *+ 0b00111110, 0b00111010, // Datos en DB5=DB4=1, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 568 | *+ 0b00101110, 0b00100010, // Datos en DB5=1, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 569 | *+ 0b00101110, 0b00100010, // => Function Set Control: DB5=1, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 570 | *+ 0b10001110, 0b10001110, // => Function Set Control: DB7=N=1 2 líneas, DB6=F=0 5x7puntos, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 571 | *+ 0b00001110, 0b00000010, // => Display ON/OFF Control: DB7=DB6=DB5=DB4=0, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 572 | *+ 0b00101110, 0b00100010, // => Display ON/OFF Control: DB7=1 (Display off, cursor off, blink off),LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 573 | *+ 0b00001110, 0b00000010, // => Display Clear: DB7=DB6=DB5=DB4=0, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 574 | *+ 0b00011110, 0b00010010, // => Display Clear: D4=1, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 575 | *+ 0b00001110, 0b00000010, // => Cursor Home: DB7=DB6=DB5=DB4=0, LED+=1, EN=1,0,RW=1,RS=0 |
Antulius | 9:26618de199fc | 576 | *+ 0b00101110, 0b00100010, // => Cursor Home: DB5=1, LED+=1, EN=1,0,RW=1,RS=0 , (Cursor Home}; |
Antulius | 9:26618de199fc | 577 | *+ 0b01001111, 0b00001011, // => Text 0x48: DB5=1, LED+=1, EN=1,0,RW=1,RS=1 |
Antulius | 9:26618de199fc | 578 | *+ 0b10001111, 0b00101011, // => Text "H" : DB7=1, LED+=1, EN=1,0,RW=1,RS=1 , (ASCII "H"} |
Antulius | 9:26618de199fc | 579 | *+ 0b01101111, 0b01101011, // => Text 0x6F: DB5=1, LED+=1, EN=1,0,RW=1,RS=1 |
Antulius | 9:26618de199fc | 580 | *+ 0b11111111, 0b11111011, // => Text "o" : DB7=DB6=DB5=DB4=1, LED+=1, EN=1,0,RW=1,RS=1 , (ASCII "o"} |
Antulius | 9:26618de199fc | 581 | *+ 0b01101111, 0b01101011, // => Text 0x6C: DB6=DB5=1, LED+=1, EN=1,0,RW=1,RS=1 |
Antulius | 9:26618de199fc | 582 | *+ 0b11001111, 0b11001011, // => Text "l" : DB7=DB6=1, LED+=1, EN=1,0,RW=1,RS=1 , (ASCII "l"} |
Antulius | 9:26618de199fc | 583 | *+ 0b01101111, 0b01101011, // => Text 0x61: DB6=DB5=1, LED+=1, EN=1,0,RW=1,RS=1 |
Antulius | 9:26618de199fc | 584 | *+ 0b00011111, 0b00011011, // => Text "a" : DB4=1, LED+=1, EN=1,0,RW=1,RS=1 , (ASCII "a"} |
Antulius | 9:26618de199fc | 585 | *+ 0b00101111, 0b00101011, // => Text 0x21: DB5=1, LED+=1, EN=1,0,RW=1,RS=1 |
Antulius | 9:26618de199fc | 586 | *+ 0b00011111, 0b00011011};// => Text "!" : DB4=1, LED+=1, EN=1,0,RW=1,RS=1 , (ASCII "!"} |
Antulius | 9:26618de199fc | 587 | *+ |
Antulius | 9:26618de199fc | 588 | *+ La interfaz de hardware entre el MCU y la LCD en modo de 8 bits solo puede |
Antulius | 9:26618de199fc | 589 | *+ recibir los 4 bits más significativos (Nibble más significativo, MSN) |
Antulius | 9:26618de199fc | 590 | *+ como instrucción para cambier a modo 4. |
Antulius | 9:26618de199fc | 591 | *+ En el modo de 4 bits, la pantalla LCD espera el MSN primero, seguido del LSN. |
Antulius | 9:26618de199fc | 592 | *+----------------------------------------------------------------------------* |
Antulius | 9:26618de199fc | 593 | *+ |
Antulius | 9:26618de199fc | 594 | *+ Powered by |
Antulius | 9:26618de199fc | 595 | *+ |
Antulius | 9:26618de199fc | 596 | *+ T H E A N T U L I U ' S T E A M R&D Unltd |
Antulius | 9:26618de199fc | 597 | *+ |
Antulius | 9:26618de199fc | 598 | *+ Research, Development, Systems, Equipment, Support & Spare Parts. |
Antulius | 9:26618de199fc | 599 | *+ (C) Copyright 1989-2019, All Rights Reserved |
Antulius | 9:26618de199fc | 600 | *+ |
Antulius | 9:26618de199fc | 601 | *+ Welcome to The Beaners Proyect Community! |
Antulius | 9:26618de199fc | 602 | *+----------------------------------------------------------------------------*/ |
Antulius | 9:26618de199fc | 603 | |
Antulius | 7:af295ac5f904 | 604 | /* END Mbed */ |