You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
5.2 KiB
144 lines
5.2 KiB
/*
|
|
|
|
u8g_dev_ssd1309_128x64.c
|
|
|
|
Universal 8bit Graphics Library
|
|
|
|
Copyright (c) 2012, olikraus@gmail.com
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice, this list
|
|
of conditions and the following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above copyright notice, this
|
|
list of conditions and the following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
|
*/
|
|
|
|
#include "u8g.h"
|
|
|
|
#define WIDTH 128
|
|
#define HEIGHT 64
|
|
#define PAGE_HEIGHT 8
|
|
|
|
|
|
/* ssd1309 ini sequence*/
|
|
static const uint8_t u8g_dev_ssd1309_128x64_init_seq[] PROGMEM={
|
|
U8G_ESC_CS(0), /* disable chip */
|
|
U8G_ESC_ADR(0), /* instruction mode */
|
|
U8G_ESC_RST(1), /* do reset low pulse with (1*16)+2 milliseconds */
|
|
U8G_ESC_CS(1), /* enable chip */
|
|
|
|
0xfd,0x12, /*Command Lock */
|
|
0xae, /*Set Display Off */
|
|
0xd5,0xa0, /*set Display Clock Divide Ratio/Oscillator Frequency */
|
|
0xa8,0x3f, /*Set Multiplex Ratio */
|
|
0x3d,0x00, /*Set Display Offset*/
|
|
0x40, /*Set Display Start Line*/
|
|
0xa1, /*Set Segment Re-Map*/
|
|
0xc8, /*Set COM Output Scan Direction*/
|
|
0xda,0x12, /*Set COM Pins Hardware Configuration*/
|
|
0x81,0xdf, /*Set Current Control */
|
|
0xd9,0x82, /*Set Pre-Charge Period */
|
|
0xdb,0x34, /*Set VCOMH Deselect Level */
|
|
0xa4, /*Set Entire Display On/Off */
|
|
0xa6, /*Set Normal/Inverse Display*/
|
|
U8G_ESC_VCC(1), /*Power up VCC & Stabilized */
|
|
U8G_ESC_DLY(50),
|
|
0xaf, /*Set Display On */
|
|
U8G_ESC_DLY(50),
|
|
U8G_ESC_CS(0), /* disable chip */
|
|
U8G_ESC_END /* end of sequence */
|
|
};
|
|
|
|
/* select one init sequence here */
|
|
#define u8g_dev_ssd1309_128x64_init_seq u8g_dev_ssd1309_128x64_init_seq
|
|
|
|
|
|
static const uint8_t u8g_dev_ssd1309_128x64_data_start[] PROGMEM = {
|
|
U8G_ESC_ADR(0), /* instruction mode */
|
|
U8G_ESC_CS(1), /* enable chip */
|
|
0x010, /* set upper 4 bit of the col adr to 0 */
|
|
0x000, /* set lower 4 bit of the col adr to 4 */
|
|
U8G_ESC_END /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8g_dev_ssd13xx_sleep_on[] PROGMEM = {
|
|
U8G_ESC_ADR(0), /* instruction mode */
|
|
U8G_ESC_CS(1), /* enable chip */
|
|
0x0ae, /* display off */
|
|
U8G_ESC_CS(1), /* disable chip */
|
|
U8G_ESC_END /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8g_dev_ssd13xx_sleep_off[] PROGMEM = {
|
|
U8G_ESC_ADR(0), /* instruction mode */
|
|
U8G_ESC_CS(1), /* enable chip */
|
|
0x0af, /* display on */
|
|
U8G_ESC_DLY(50), /* delay 50 ms */
|
|
U8G_ESC_CS(1), /* disable chip */
|
|
U8G_ESC_END /* end of sequence */
|
|
};
|
|
|
|
uint8_t u8g_dev_ssd1309_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
|
|
{
|
|
switch(msg)
|
|
{
|
|
case U8G_DEV_MSG_INIT:
|
|
u8g_InitCom(u8g, dev);
|
|
u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1309_128x64_init_seq);
|
|
break;
|
|
case U8G_DEV_MSG_STOP:
|
|
break;
|
|
case U8G_DEV_MSG_PAGE_NEXT:
|
|
{
|
|
u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
|
|
u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1309_128x64_data_start);
|
|
u8g_WriteByte(u8g, dev, 0x0b0 | pb->p.page); /* select current page (SSD1306) */
|
|
u8g_SetAddress(u8g, dev, 1); /* data mode */
|
|
if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
|
|
return 0;
|
|
u8g_SetChipSelect(u8g, dev, 0);
|
|
}
|
|
break;
|
|
case U8G_DEV_MSG_CONTRAST:
|
|
u8g_SetChipSelect(u8g, dev, 1);
|
|
u8g_SetAddress(u8g, dev, 0); /* instruction mode */
|
|
u8g_WriteByte(u8g, dev, 0x081);
|
|
u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2);
|
|
u8g_SetChipSelect(u8g, dev, 0);
|
|
return 1;
|
|
case U8G_DEV_MSG_SLEEP_ON:
|
|
u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_on);
|
|
return 1;
|
|
case U8G_DEV_MSG_SLEEP_OFF:
|
|
u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_off);
|
|
return 1;
|
|
}
|
|
return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
|
|
}
|
|
|
|
U8G_PB_DEV(u8g_dev_ssd1309_128x64_hw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1309_128x64_fn, U8G_COM_HW_SPI);
|
|
U8G_PB_DEV(u8g_dev_ssd1309_128x64_sw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1309_128x64_fn, U8G_COM_SW_SPI);
|
|
U8G_PB_DEV(u8g_dev_ssd1309_128x64_i2c, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1309_128x64_fn, U8G_COM_SSD_I2C);
|
|
|
|
|