Autonom robotväckarklocka med trådlös basstation - KTH

André Berglund
FiM 2011
void clear_disp(){
! ENABLE;
!
! uint8_t page;
! for (page = 0; page < 8; page++){
! !
! ! COMMAND;
! ! send_spi(0xB0 + page);
! ! send_spi(0x10);! ! ! // column adress of 4 MSB
! ! send_spi(0x00);! ! ! // column adress of 4 LSB
! !
! ! uint8_t column;
! ! for (column = 0; column < 128; column++){
! ! ! DATA;
! ! ! send_spi(0x00);
! ! }
! }
!
! DISABLE;
}
void goto_xy(char xcol, char ypage)
{
! char set[] = {0xB0, 0x10, 0x00};
! set[0] = set[0] + ypage;
! set[2] = set[2] + (xcol & 0x0F);
! set[1] = set[1] + (xcol >> 4);
!
! COMMAND;
!
! send_spi(set[0]);
! send_spi(set[2]);
! send_spi(set[1]);
}
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