Browse Source

Reduced u8glib SPI speed to fosc/8

Makes the lib compatible with most LCDs
pull/1/head
Dirk Eichel 12 years ago
parent
commit
c28e71a1bf
  1. 2
      ArduinoAddons/Arduino_0.xx/libraries/U8glib/utility/u8g_com_arduino_hw_spi.c

2
ArduinoAddons/Arduino_0.xx/libraries/U8glib/utility/u8g_com_arduino_hw_spi.c

@ -115,7 +115,7 @@ uint8_t u8g_com_arduino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void
1 1 fclk/128
*/
SPCR = 0;
SPCR = (1<<SPE) | (1<<MSTR)|(0<<SPR1)|(0<<SPR0)|(0<<CPOL)|(0<<CPHA);
SPCR = (1<<SPE) | (1<<MSTR)|(0<<SPR1)|(1<<SPR0)|(0<<CPOL)|(0<<CPHA);
#ifdef U8G_HW_SPI_2X
SPSR = (1 << SPI2X); /* double speed, issue 89 */
#endif

Loading…
Cancel
Save