void lcd_transfer_sub_page(uint8_t page, uint8_t offset) {
uint8_t idx;
uint8_t *memory = lcd_memory;
buffer += page * LCD_PAGE_SIZE + offset;
/* enable and reset com interface of the ST7565R */
dog_spi_enable_client();
/* set write position */
dog_cmd_mode();
dog_spi_out(0x0b0 | page); /* select current page (ST7565R) */
dog_spi_out(0x010); /* set upper 4 bit of the col adr to 0 */
dog_spi_out(0x000); /* set lower 4 bit of the col adr to 0 */
/* send a complete page */
dog_data_mode();
#ifdef LCD_REVERSE
idx = 0;
while (idx != LCD_PAGE_WIDTH) {
dog_spi_out(buffer[idx++]);
}
#else /* DOG_REVERSE */
idx = LCD_PAGE_WIDTH;
while (idx != 0) {
dog_spi_out(buffer[--idx]);
}
#endif
/* disable com interface of the ST7565R */
dog_spi_disable_client();
}
void dog_SetInvertPixelMode(uint8_t val)
{
val &= 1;
val |= 0x0a6; /* invert pixel mode */
dog_spi_enable_client();
dog_cmd_mode();
dog_spi_out(val);
dog_data_mode();
dog_spi_disable_client();
}
void dog_SetContrast(uint8_t val)
{
val &= 63;
dog_spi_enable_client();
dog_cmd_mode();
dog_spi_out(0x081); /* set contrast */
dog_spi_out(val); /* contrast value */
dog_data_mode();
dog_spi_disable_client();
}
void dog_SetUC1610GrayShade(uint8_t val)
{
#if defined(DOGXL160_HW_BW) || defined(DOGXL160_HW_GR)
val &= 3;
dog_spi_enable_client();
dog_cmd_mode();
dog_spi_out(0x0d0 | val); /* set RMS gray level separation value */
dog_data_mode();
dog_spi_disable_client();
#endif
}
static void dog_transfer_page(void)
{
uint8_t idx;
/* enable and reset com interface of the ST7565R */
dog_spi_enable_client();
/* set write position */
dog_cmd_mode();
dog_spi_out(0x0b0 | dog_curr_page ); /* select current page */
dog_spi_out(0x010 ); /* set upper 4 bit of the col adr to 0 */
dog_spi_out(0x000 ); /* set lower 4 bit of the col adr to 0 */
/* send a complete page */
dog_data_mode();
//#ifdef DOG_REVERSE
if (dog_reverse) {
idx = 0;
while( idx != DOG_PAGE_WIDTH )
{
dog_spi_out(dog_page_buffer[idx]);
idx++;
}
//#else
} else {
idx = DOG_PAGE_WIDTH;
while( idx != 0 )
{
idx--;
dog_spi_out(dog_page_buffer[idx]);
}
//#endif
}
/* disable com interface of the ST7565R */
dog_spi_disable_client();
}
