/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ULCDST7565_H
#define ULCDST7565_H
#include <U8glib.h>
#define ST7565_CLK_PIN DOGLCD_SCK
#define ST7565_DAT_PIN DOGLCD_MOSI
#define ST7565_CS_PIN DOGLCD_CS
#define ST7565_A0_PIN DOGLCD_A0
#define LCD_PIXEL_WIDTH 128
#define LCD_PIXEL_HEIGHT 64
#define PAGE_HEIGHT 8
//set optimization so ARDUINO optimizes this file
#pragma GCC optimize (3)
// If you want you can define your own set of delays in Configuration.h
//#define ST7565_DELAY_1 DELAY_0_NOP
//#define ST7565_DELAY_2 DELAY_0_NOP
//#define ST7565_DELAY_3 DELAY_0_NOP
/*
#define ST7565_DELAY_1 u8g_10MicroDelay()
#define ST7565_DELAY_2 u8g_10MicroDelay()
#define ST7565_DELAY_3 u8g_10MicroDelay()
*/
#if F_CPU >= 20000000
#define CPU_ST7565_DELAY_1 DELAY_0_NOP
#define CPU_ST7565_DELAY_2 DELAY_0_NOP
#define CPU_ST7565_DELAY_3 DELAY_1_NOP
#elif MB(3DRAG) || MB(K8200) || MB(K8400)
#define CPU_ST7565_DELAY_1 DELAY_0_NOP
#define CPU_ST7565_DELAY_2 DELAY_3_NOP
#define CPU_ST7565_DELAY_3 DELAY_0_NOP
#elif MB(MINIRAMBO)
#define CPU_ST7565_DELAY_1 DELAY_0_NOP
#define CPU_ST7565_DELAY_2 DELAY_4_NOP
#define CPU_ST7565_DELAY_3 DELAY_0_NOP
#elif MB(RAMBO)
#define CPU_ST7565_DELAY_1 DELAY_0_NOP
#define CPU_ST7565_DELAY_2 DELAY_0_NOP
#define CPU_ST7565_DELAY_3 DELAY_0_NOP
#elif F_CPU == 16000000
#define CPU_ST7565_DELAY_1 DELAY_0_NOP
#define CPU_ST7565_DELAY_2 DELAY_0_NOP
#define CPU_ST7565_DELAY_3 DELAY_1_NOP
#else
#error "No valid condition for delays in 'ultralcd_st7565_u8glib_VIKI.h'"
#endif
#ifndef ST7565_DELAY_1
#define ST7565_DELAY_1 CPU_ST7565_DELAY_1
#endif
#ifndef ST7565_DELAY_2
#define ST7565_DELAY_2 CPU_ST7565_DELAY_2
#endif
#ifndef ST7565_DELAY_3
#define ST7565_DELAY_3 CPU_ST7565_DELAY_3
#endif
// On Viki2 the LCD and the SD card share a single SPI
#define HARDWARE_SPI ((DOGLCD_SCK == SCK_PIN) && (DOGLCD_MOSI == MOSI_PIN))
#if HARDWARE_SPI // using the hardware SPI
#define ST7565_WRITE_BYTE(a) { SPDR = a; while (!TEST(SPSR, SPIF)); U8G_DELAY(); }
#define ST7560_WriteSequence(count, pointer) { uint8_t *ptr = pointer; for (uint8_t i = 0; i < count; i++) {SPDR = *ptr++; while (!TEST(SPSR, SPIF));} DELAY_10US; }
#else // !HARDWARE_SPI
#define ST7565_SND_BIT \
WRITE(ST7565_CLK_PIN, LOW); ST7565_DELAY_1; \
WRITE(ST7565_DAT_PIN, val & 0x80); ST7565_DELAY_2; \
WRITE(ST7565_CLK_PIN, HIGH); ST7565_DELAY_3; \
WRITE(ST7565_CLK_PIN, LOW);\
val <<= 1
static void ST7565_SWSPI_SND_8BIT(uint8_t val) {
ST7565_SND_BIT; // 1
ST7565_SND_BIT; // 2
ST7565_SND_BIT; // 3
ST7565_SND_BIT; // 4
ST7565_SND_BIT; // 5
ST7565_SND_BIT; // 6
ST7565_SND_BIT; // 7
ST7565_SND_BIT; // 8
}
#define ST7565_WRITE_BYTE(a) { ST7565_SWSPI_SND_8BIT((uint8_t)a); U8G_DELAY(); }
#define ST7560_WriteSequence(count, pointer) { uint8_t *ptr = pointer; for (uint8_t i = 0; i < count; i++) { ST7565_SWSPI_SND_8BIT(*ptr++); } DELAY_10US; }
#endif // !HARDWARE_SPI
#if defined(DOGM_SPI_DELAY_US) && DOGM_SPI_DELAY_US > 0
#define U8G_DELAY() delayMicroseconds(DOGM_SPI_DELAY_US)
#else
#define U8G_DELAY() u8g_10MicroDelay()
#endif
#define ST7565_CS() { WRITE(ST7565_CS_PIN,1); U8G_DELAY(); }
#define ST7565_NCS() { WRITE(ST7565_CS_PIN,0); }
#define ST7565_A0() { WRITE(ST7565_A0_PIN,1); U8G_DELAY(); }
#define ST7565_NA0() { WRITE(ST7565_A0_PIN,0); }
uint8_t u8g_dev_st7565_64128n_2x_VIKI_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
switch (msg) {
case U8G_DEV_MSG_INIT: {
OUT_WRITE(ST7565_CS_PIN, LOW);
OUT_WRITE(ST7565_DAT_PIN, LOW);
OUT_WRITE(ST7565_CLK_PIN, LOW);
#if HARDWARE_SPI
OUT_WRITE(SDSS, 1); // must be set to an output first or else will never go into master mode
SPCR = 0x50; // enable SPI in master mode at fast speed
SPSR = 1; // kick it up to 2x speed mode
#endif
OUT_WRITE(ST7565_A0_PIN, LOW);
ST7565_CS(); /* disable chip */
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x0A2); /* 0x0A2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */
ST7565_WRITE_BYTE(0x0A0); /* Normal ADC Select (according to Displaytech 64128N datasheet) */
ST7565_WRITE_BYTE(0x0C8); /* common output mode: set scan direction normal operation/SHL Select; 0x0C0 --> SHL = 0; normal; 0x0C8 --> SHL = 1 */
ST7565_WRITE_BYTE(0x040); /* Display start line for Displaytech 64128N */
ST7565_WRITE_BYTE(0x028 | 0x04); /* power control: turn on voltage converter */
//U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
ST7565_WRITE_BYTE(0x028 | 0x06); /* power control: turn on voltage regulator */
//U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
ST7565_WRITE_BYTE(0x028 | 0x07); /* power control: turn on voltage follower */
//U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
ST7565_WRITE_BYTE(0x010); /* Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N */
ST7565_WRITE_BYTE(0x0A6); /* display normal, bit val 0: LCD pixel off. */
ST7565_WRITE_BYTE(0x081); /* set contrast */
ST7565_WRITE_BYTE(0x01E); /* Contrast value. Setting for controlling brightness of Displaytech 64128N */
ST7565_WRITE_BYTE(0x0AF); /* display on */
U8G_ESC_DLY(100); /* delay 100 ms */
ST7565_WRITE_BYTE(0x0A5); /* display all points; ST7565 */
U8G_ESC_DLY(100); /* delay 100 ms */
U8G_ESC_DLY(100); /* delay 100 ms */
ST7565_WRITE_BYTE(0x0A4); /* normal display */
ST7565_CS(); /* disable chip */
} /* end of sequence */
break;
case U8G_DEV_MSG_STOP: break;
case U8G_DEV_MSG_PAGE_NEXT: {
u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
ST7565_CS(); /* disable chip */
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x010); /* set upper 4 bit of the col adr to 0x10 */
ST7565_WRITE_BYTE(0x000); /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
/* end of sequence */
ST7565_WRITE_BYTE(0x0B0 | (2*pb->p.page));; /* select current page (ST7565R) */
ST7565_A0(); /* data mode */
ST7560_WriteSequence( (uint8_t) pb->width, (uint8_t *)pb->buf);
ST7565_CS(); /* disable chip */
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x010); /* set upper 4 bit of the col adr to 0x10 */
ST7565_WRITE_BYTE(0x000); /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
/* end of sequence */
ST7565_WRITE_BYTE(0x0B0 | (2*pb->p.page+1)); /* select current page (ST7565R) */
ST7565_A0(); /* data mode */
ST7560_WriteSequence( (uint8_t) pb->width, (uint8_t *)(pb->buf)+pb->width);
ST7565_CS(); /* disable chip */
}
break;
case U8G_DEV_MSG_CONTRAST:
ST7565_NCS();
ST7565_NA0(); /* instruction mode */
ST7565_WRITE_BYTE(0x081);
ST7565_WRITE_BYTE((*(uint8_t *)arg) >> 2);
ST7565_CS(); /* disable chip */
return 1;
case U8G_DEV_MSG_SLEEP_ON:
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x0AC); /* static indicator off */
ST7565_WRITE_BYTE(0x000); /* indicator register set (not sure if this is required) */
ST7565_WRITE_BYTE(0x0AE); /* display off */
ST7565_WRITE_BYTE(0x0A5); /* all points on */
ST7565_CS(); /* disable chip , bugfix 12 nov 2014 */
/* end of sequence */
return 1;
case U8G_DEV_MSG_SLEEP_OFF:
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x0A4); /* all points off */
ST7565_WRITE_BYTE(0x0AF); /* display on */
U8G_ESC_DLY(50); /* delay 50 ms */
ST7565_CS(); /* disable chip , bugfix 12 nov 2014 */
/* end of sequence */
return 1;
}
return u8g_dev_pb16v1_base_fn(u8g, dev, msg, arg);
}
uint8_t u8g_dev_st7565_64128n_2x_VIKI_buf[LCD_PIXEL_WIDTH*2] U8G_NOCOMMON;
u8g_pb_t u8g_dev_st7565_64128n_2x_VIKI_pb = {{16, LCD_PIXEL_HEIGHT, 0, 0, 0}, LCD_PIXEL_WIDTH, u8g_dev_st7565_64128n_2x_VIKI_buf};
u8g_dev_t u8g_dev_st7565_64128n_2x_VIKI_sw_spi = {u8g_dev_st7565_64128n_2x_VIKI_fn, &u8g_dev_st7565_64128n_2x_VIKI_pb, &u8g_com_null_fn};
class U8GLIB_ST7565_64128n_2x_VIKI : public U8GLIB {
public:
U8GLIB_ST7565_64128n_2x_VIKI(uint8_t dummy)
: U8GLIB(&u8g_dev_st7565_64128n_2x_VIKI_sw_spi)
{ }
U8GLIB_ST7565_64128n_2x_VIKI(uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE)
: U8GLIB(&u8g_dev_st7565_64128n_2x_VIKI_sw_spi)
{ }
};
#pragma GCC reset_options
#endif // ULCDST7565_H