Revision 5:66f276be9505, committed 2017-07-04

Comitter:

walterlma

Date:

Tue Jul 04 19:43:04 2017 +0000

Parent:

4:a3e4bb2053cb

Commit message:

lcd

Changed in this revision

--- a/TextLCD.lib	Sun Mar 29 13:12:07 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/users/wim/code/TextLCD/#ce348c002929

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcdpronto.cpp	Tue Jul 04 19:43:04 2017 +0000
@@ -0,0 +1,112 @@
+#include "mbed.h"
+
+#define tuss 2
+#define tusl 20
+#define tms 2
+
+#define OFF 1
+#define ON 0
+
+Serial pc(USBTX, USBRX); // tx, rx 
+
+SPI lcd(PTE3, PTE1, PTE2);
+DigitalOut cs(PTE4);
+DigitalOut res(PTD5);
+DigitalOut dc(PTC12);
+char k;   
+
+void init_LCD(){
+    res = 0;
+    dc = 0;
+    cs = 1;
+    wait(0.1);
+    res = 1;
+    k = 0;
+    cs = 0;
+    lcd.write(0x3C);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0x0C);
+    wait_us(tuss);
+    cs = 1;
+    wait_us(tusl);
+    cs = 0;
+    lcd.write(0x01);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0x06);
+    wait_us(tuss);
+    
+    return;        
+}
+
+void pula_linha(){    
+    dc = 0;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0xC0);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    
+    dc = 1;
+    wait_ms(tms);
+    
+    return;
+}    
+
+void limpa_lcd(void){
+    
+    dc = 0;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0x01);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    
+    dc = 1;
+    wait_ms(tms);
+    
+    return;
+}
+
+int main() {
+    pc.baud(9600);
+    
+    lcd.format(8, 3); // Modo 0 ou 3
+    lcd.frequency(1000000); // 100kHz
+    
+    init_LCD();
+    
+    cs = 1;
+    wait_ms(tms);    
+    dc = 1;
+    wait_ms(tms);
+
+    for(k = 0x30; k < 0x3A; k++) {
+        cs = 0;
+        lcd.write(k);
+        wait_us(tuss);
+        cs = 1;
+        wait_ms(tms);
+    }
+    
+    pula_linha();
+    
+    for(k = 'A'; k < 'Q'; k++) {
+        cs = 0;
+        lcd.write(k);
+        wait_us(tuss);
+        cs = 1;
+        wait_ms(tms);
+    }
+    
+    wait(5);
+    
+    limpa_lcd();    
+}

--- a/main.cpp	Sun Mar 29 13:12:07 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,76 +0,0 @@
-/* Hello World! for the TextLCD Enhanced Library*/
-
-#include "mbed.h"
-#include "TextLCD.h"
- 
-// Host PC Communication channels
-Serial pc(USBTX, USBRX); // tx, rx
- 
-// I2C Communication
-I2C i2c_lcd(p9,p10); // SDA, SCL
-//I2C i2c_lcd(p28,p27); // SDA, SCL
- 
-// SPI Communication
-SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
-
-// LCD instantiation 
-//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x2);        // 4bit bus: rs, e, d4-d7
-TextLCD_I2C lcd(&i2c_lcd, 0x40, TextLCD::LCD20x4);                  // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type
-//TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type, Ctrl Type
-//TextLCD_I2C lcd(&spi_lcd, p8, TextLCD::LCD24x4D);                   // I2C exp: SPI bus, CS pin, LCD Type
-//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
-//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
-//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
- 
-int main() {   
-  Timer t;
-
-  pc.printf("TextLCD Enhanced Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
-    
-  for (int row=0; row<lcd.rows(); row++) {
-    int col=0;
-      
-    pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));      
-//    lcd.putc('-');
-    lcd.putc('0' + row);      
-      
-    for (col=1; col<lcd.columns()-1; col++) {    
-      lcd.putc('*');
-    }
- 
-    pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));      
-    lcd.putc('+');       
-  }    
-
-// Fill screen again and time it
-  t.start();
-
-  for (int row=0; row<lcd.rows(); row++) {
-    int col=0;
-      
-    lcd.putc('0' + row);      
-      
-    for (col=1; col<lcd.columns()-1; col++) {    
-      lcd.putc('*');
-    }
- 
-    lcd.putc('+');       
-  }    
-  t.stop();    
-  pc.printf("All my hard work took %f sec\r\n", t.read());          
-
-// Show cursor as blinking character
-   lcd.setCursor(TextLCD::CurOff_BlkOn);
- 
-// Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
-// They are defined by a 5x7 bitpattern. 
-  lcd.setUDC(0, (char *) udc_0);  // Show |>
-  lcd.putc(0);    
-  lcd.setUDC(1, (char *) udc_1);  // Show <|
-  lcd.putc(1);    
-    
-  pc.printf("Bye now\r\n");          
-}
-
-
-