cristian vega
/
LCD_HD44780
test
Revision 5:b8848a42df31, committed 2020-05-09
- Comitter:
- cristianve
- Date:
- Sat May 09 12:38:29 2020 +0000
- Parent:
- 4:a3e4bb2053cb
- Commit message:
- first commit;
Changed in this revision
TextLCD.lib | Show annotated file Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r a3e4bb2053cb -r b8848a42df31 TextLCD.lib --- a/TextLCD.lib Sun Mar 29 13:12:07 2015 +0000 +++ b/TextLCD.lib Sat May 09 12:38:29 2020 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/wim/code/TextLCD/#ce348c002929 +https://os.mbed.com/users/cristianve/code/TextLCD/#a9277e573e24
diff -r a3e4bb2053cb -r b8848a42df31 main.cpp --- a/main.cpp Sun Mar 29 13:12:07 2015 +0000 +++ b/main.cpp Sat May 09 12:38:29 2020 +0000 @@ -7,69 +7,19 @@ 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 +I2C i2c_lcd(PTE0,PTE1); // SDA, SCL // 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('*'); - } +TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD16x2); +int main() { - 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('*'); - } + Timer t; + time_t seconds = time(NULL); + char buffer[32]; + strftime(buffer, 32, "%I:%M %p\n", ); + lcd.printf(" %s", buffer); - 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"); + //lcd.printf("Hello World!"); }