I2CLCD
HD4470 LCD driver via I2C interface
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Functions | |
void | lcd_write (uint8_t value) |
Write nibble to display with toggle of enable-bit. More... | |
uint8_t | lcd_read (bool mode) |
Read data from display over i2c (for internal use) More... | |
uint8_t | lcd_getbyte (bool mode) |
Read one byte over i2c from display. More... | |
uint8_t lcd_getbyte | ( | bool | mode | ) |
Read one byte over i2c from display.
mode | ADDRESS for cursor address and busy flag or DATA for display data |
uint8_t | the byte received from the display |
uint8_t lcd_read | ( | bool | mode | ) |
Read data from display over i2c (for internal use)
mode | ADDRESS for cursor address and busy flag or DATA for display data |
uint8_t | lower nibble contains data D0 to D3 pins or D4 to D7 pins |
void lcd_write | ( | uint8_t | value | ) |
Write nibble to display with toggle of enable-bit.
value | the upper nibble represents RS, RW pins and the lower nibble contains data |