Luis Silvio Cordova Rivadeneira / Mbed 2 deprecated UPSM_TextLCD

Manejo de pantallas de texto con varias interfaces de comunicación

Dependencies:   mbed TextLCD

main.cpp@5:2e4e5085d597, 2020-02-12 (annotated)

Committer:
lscordovar
Date:
Wed Feb 12 21:20:37 2020 +0000
Revision:
5:2e4e5085d597
Parent:
4:a3e4bb2053cb
Child:
6:8b78e3cddd78
Uso de funciones del LCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 4:a3e4bb2053cb 1 /* Hello World! for the TextLCD Enhanced Library*/
wim 0:a75049de1a82 2
wim 0:a75049de1a82 3 #include "mbed.h"
wim 0:a75049de1a82 4 #include "TextLCD.h"
lscordovar 5:2e4e5085d597 5
wim 0:a75049de1a82 6 // Host PC Communication channels
lscordovar 5:2e4e5085d597 7 Serial pc(PA_2,PA_3); // tx, rx
lscordovar 5:2e4e5085d597 8
wim 0:a75049de1a82 9 // I2C Communication
lscordovar 5:2e4e5085d597 10 I2C i2c_lcd(PB_9, PB_8); // SDA, SCL
wim 4:a3e4bb2053cb 11 //I2C i2c_lcd(p28,p27); // SDA, SCL
lscordovar 5:2e4e5085d597 12
wim 0:a75049de1a82 13 // SPI Communication
lscordovar 5:2e4e5085d597 14 //SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
wim 0:a75049de1a82 15
lscordovar 5:2e4e5085d597 16 // LCD instantiation
wim 4:a3e4bb2053cb 17 //TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x2); // 4bit bus: rs, e, d4-d7
lscordovar 5:2e4e5085d597 18 TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD20x4); // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type
wim 4:a3e4bb2053cb 19 //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type, Ctrl Type
wim 4:a3e4bb2053cb 20 //TextLCD_I2C lcd(&spi_lcd, p8, TextLCD::LCD24x4D); // I2C exp: SPI bus, CS pin, LCD Type
wim 4:a3e4bb2053cb 21 //TextLCD_SPI_N lcd(&spi_lcd, p8, p9, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // SPI native: SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032
wim 4:a3e4bb2053cb 22 //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C native: I2C bus, slaveaddress, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032 =Ok
wim 4:a3e4bb2053cb 23 //TextLCD_I2C_N lcd(&i2c_lcd, SSD1803_SA1, TextLCD::LCD20x4D, NC, TextLCD::SSD1803_3V3); // I2C native: I2C bus, slaveaddress, LCDType=LCD20x4D, BL=NC, LCDTCtrl=SSD1803 =Ok
lscordovar 5:2e4e5085d597 24
lscordovar 5:2e4e5085d597 25 int main()
lscordovar 5:2e4e5085d597 26 {
lscordovar 5:2e4e5085d597 27 Timer t;
lscordovar 5:2e4e5085d597 28
lscordovar 5:2e4e5085d597 29 pc.printf("TextLCD Enhanced Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
lscordovar 5:2e4e5085d597 30
lscordovar 5:2e4e5085d597 31 for (int row=0; row<lcd.rows(); row++) {
lscordovar 5:2e4e5085d597 32 int col=0;
wim 0:a75049de1a82 33
lscordovar 5:2e4e5085d597 34 pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
wim 4:a3e4bb2053cb 35 // lcd.putc('-');
lscordovar 5:2e4e5085d597 36 lcd.putc('0' + row);
lscordovar 5:2e4e5085d597 37
lscordovar 5:2e4e5085d597 38 for (col=1; col<lcd.columns()-1; col++) {
lscordovar 5:2e4e5085d597 39 lcd.putc('*');
lscordovar 5:2e4e5085d597 40 }
lscordovar 5:2e4e5085d597 41
lscordovar 5:2e4e5085d597 42 pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
lscordovar 5:2e4e5085d597 43 lcd.putc('+');
wim 4:a3e4bb2053cb 44 }
lscordovar 5:2e4e5085d597 45 wait(1);
lscordovar 5:2e4e5085d597 46 // Fill screen again and time it
lscordovar 5:2e4e5085d597 47 t.start();
wim 0:a75049de1a82 48
lscordovar 5:2e4e5085d597 49 for (int row=0; row<lcd.rows(); row++) {
lscordovar 5:2e4e5085d597 50 int col=0;
lscordovar 5:2e4e5085d597 51
lscordovar 5:2e4e5085d597 52 lcd.putc('0' + row);
wim 3:f238b4f7874f 53
lscordovar 5:2e4e5085d597 54 for (col=1; col<lcd.columns()-1; col++) {
lscordovar 5:2e4e5085d597 55 lcd.putc('*');
lscordovar 5:2e4e5085d597 56 }
lscordovar 5:2e4e5085d597 57
lscordovar 5:2e4e5085d597 58 lcd.putc('+');
wim 4:a3e4bb2053cb 59 }
lscordovar 5:2e4e5085d597 60 t.stop();
lscordovar 5:2e4e5085d597 61 pc.printf("All my hard work took %f sec\r\n", t.read());
lscordovar 5:2e4e5085d597 62 wait(1);
lscordovar 5:2e4e5085d597 63
wim 1:ef419b21167d 64
wim 4:a3e4bb2053cb 65 // Show cursor as blinking character
lscordovar 5:2e4e5085d597 66 lcd.setCursor(TextLCD::CurOff_BlkOn);
lscordovar 5:2e4e5085d597 67
wim 4:a3e4bb2053cb 68 // Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
lscordovar 5:2e4e5085d597 69 // They are defined by a 5x7 bitpattern.
lscordovar 5:2e4e5085d597 70 lcd.setUDC(0, (char *) udc_0); // Show |>
lscordovar 5:2e4e5085d597 71 lcd.putc(0);
lscordovar 5:2e4e5085d597 72 lcd.setUDC(1, (char *) udc_1); // Show <|
lscordovar 5:2e4e5085d597 73 lcd.putc(1);
lscordovar 5:2e4e5085d597 74
lscordovar 5:2e4e5085d597 75 pc.printf("Bye now\r\n");
lscordovar 5:2e4e5085d597 76
lscordovar 5:2e4e5085d597 77 wait(1);
lscordovar 5:2e4e5085d597 78
lscordovar 5:2e4e5085d597 79 // Clear the screen and locate to 0,0
lscordovar 5:2e4e5085d597 80 lcd.cls();
lscordovar 5:2e4e5085d597 81
lscordovar 5:2e4e5085d597 82 // LCD Backlight control
lscordovar 5:2e4e5085d597 83 lcd.setBacklight(TextLCD::LightOn);
lscordovar 5:2e4e5085d597 84
lscordovar 5:2e4e5085d597 85 // LCD Orientation control, supported for some Controllers
lscordovar 5:2e4e5085d597 86 //lcd.setOrient(TextLCD::Bottom);
lscordovar 5:2e4e5085d597 87
lscordovar 5:2e4e5085d597 88 // LCD BigFont control, supported for some Controllers
lscordovar 5:2e4e5085d597 89 //lcd.LCDBigFont(TextLCD::TopBottomLine);
lscordovar 5:2e4e5085d597 90
lscordovar 5:2e4e5085d597 91 // Locate cursor to a screen column and row
lscordovar 5:2e4e5085d597 92 int col = 0;
lscordovar 5:2e4e5085d597 93 int row = 0;
lscordovar 5:2e4e5085d597 94 lcd.locate(col,row);
lscordovar 5:2e4e5085d597 95 wait(1);
lscordovar 5:2e4e5085d597 96
lscordovar 5:2e4e5085d597 97 // Write a character to the LCD "ARROW"
lscordovar 5:2e4e5085d597 98 int c = 1;
lscordovar 5:2e4e5085d597 99 for (int row=0; row<lcd.rows(); row++) {
lscordovar 5:2e4e5085d597 100 lcd.putc(c);wait(0.1);
lscordovar 5:2e4e5085d597 101
lscordovar 5:2e4e5085d597 102 for (col=1; col<lcd.columns()-1; col++) {
lscordovar 5:2e4e5085d597 103 lcd.putc(c);wait(0.1);
lscordovar 5:2e4e5085d597 104 }
lscordovar 5:2e4e5085d597 105 }
lscordovar 5:2e4e5085d597 106 wait(2);
lscordovar 5:2e4e5085d597 107
lscordovar 5:2e4e5085d597 108 // Write a raw string to the LCD
lscordovar 5:2e4e5085d597 109 const char* text = "Hola text";
lscordovar 5:2e4e5085d597 110 lcd.cls();
lscordovar 5:2e4e5085d597 111 lcd.locate(1,1);
lscordovar 5:2e4e5085d597 112 lcd.printf(text);
lscordovar 5:2e4e5085d597 113 wait(1);
lscordovar 5:2e4e5085d597 114
lscordovar 5:2e4e5085d597 115 // Write a raw string to the LCD *-> pointer*
lscordovar 5:2e4e5085d597 116 const char* msg = "Hello printf";
lscordovar 5:2e4e5085d597 117 int string_size = strlen (msg);
lscordovar 5:2e4e5085d597 118 lcd.setCursor(TextLCD::CurOff_BlkOff);
lscordovar 5:2e4e5085d597 119 lcd.locate(1,2);
lscordovar 5:2e4e5085d597 120 lcd.printf("msg: %.*s", string_size, msg);
lscordovar 5:2e4e5085d597 121 wait(1);
lscordovar 5:2e4e5085d597 122
lscordovar 5:2e4e5085d597 123
lscordovar 5:2e4e5085d597 124
lscordovar 5:2e4e5085d597 125 // Return the memoryaddress of screen column and row location
lscordovar 5:2e4e5085d597 126 lcd.getAddress(col,row);
lscordovar 5:2e4e5085d597 127 pc.printf("column %d\trow %d\r\n",col,row);
lscordovar 5:2e4e5085d597 128 wait(1);
lscordovar 5:2e4e5085d597 129
lscordovar 5:2e4e5085d597 130
lscordovar 5:2e4e5085d597 131
lscordovar 5:2e4e5085d597 132 // Return the number of rows ans columns
lscordovar 5:2e4e5085d597 133 pc.printf("column %d\trow %d\r\n",lcd.rows(),lcd.columns());
lscordovar 5:2e4e5085d597 134 wait(1);
lscordovar 5:2e4e5085d597 135
lscordovar 5:2e4e5085d597 136
lscordovar 5:2e4e5085d597 137
wim 4:a3e4bb2053cb 138 }
wim 3:f238b4f7874f 139
wim 3:f238b4f7874f 140
wim 0:a75049de1a82 141