test ssd1306 with arduino nano
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/*
MIT License
Copyright (c) 2018-2019, Alexey Dynda
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "oled_ssd1351.h"
#include "lcd_common.h"
#include "ssd1351_commands.h"
#include "intf/ssd1306_interface.h"
#include "intf/spi/ssd1306_spi.h"
#include "ssd1306_hal/io.h"
#include "nano_gfx_types.h"
#ifdef SDL_EMULATION
#include "sdl_core.h"
#endif
#define CMD_ARG 0xFF
extern uint16_t ssd1306_color;
extern uint32_t s_ssd1306_spi_clock;
static const PROGMEM uint8_t s_oled128x128_initData[] =
{
#ifdef SDL_EMULATION
SDL_LCD_SSD1351,
0x00,
#endif
SSD1351_UNLOCK, CMD_ARG, 0x12,
SSD1351_UNLOCK, CMD_ARG, 0xB1,
SSD1351_SLEEP_ON,
SSD1351_CLOCKDIV, CMD_ARG, 0xF1, // 7:4 = Oscillator Frequency, 3:0 = CLK Div Ratio (A[3:0]+1 = 1..16)
SSD1351_SETMULTIPLEX, CMD_ARG, 127, // Reset to default MUX. See datasheet
SSD1351_SEGREMAP, CMD_ARG, 0B00110101, // 16-bit rgb color mode
SSD1351_SETSTARTLINE, CMD_ARG, 0x00, // First line to start scanning from
SSD1351_SETDISPLAYOFFSET, CMD_ARG, 0x00, // Set display offset
SSD1351_SETGPIO, CMD_ARG, 0x00, // GPIO OFF
SSD1351_SETFUNCTION, CMD_ARG, 0x01,
SSD1351_SETPRECHARGE, CMD_ARG, 0x32, // Phase 1 and Phase 2 periods
SSD1351_VCOMH, CMD_ARG, 0x05, //
SSD1351_PRECHARGELEVEL, CMD_ARG, 0x17,
SSD1351_NORMALDISPLAY,
SSD1351_CONTRAST, CMD_ARG, 0xC8, // RED
CMD_ARG, 0x80, // GREEN
CMD_ARG, 0xC8, // BLUE
SSD1351_MASTERCURRENT, CMD_ARG, 0x0F, //
SSD1351_EXTVSL, CMD_ARG, 0xA0, CMD_ARG, 0xB5, CMD_ARG, 0x55,
SSD1351_PRECHARGESECOND, CMD_ARG, 0x01, //
SSD1351_SLEEP_OFF, // Disable power-safe mode
SSD1351_NORMALDISPLAY,
};
static uint8_t s_column;
static uint8_t s_page;
static void ssd1351_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
{
uint8_t rx = w ? (x + w - 1) : (ssd1306_lcd.width - 1);
s_column = x;
s_page = y;
ssd1306_intf.start();
ssd1306_spiDataMode(0);
ssd1306_intf.send(SSD1351_COLUMNADDR);
ssd1306_spiDataMode(1); // According to datasheet all args must be passed in data mode
ssd1306_intf.send(x);
ssd1306_intf.send(rx < ssd1306_lcd.width ? rx : (ssd1306_lcd.width - 1));
ssd1306_spiDataMode(0);
ssd1306_intf.send(SSD1351_ROWADDR);
ssd1306_spiDataMode(1); // According to datasheet all args must be passed in data mode
ssd1306_intf.send(y<<3);
ssd1306_intf.send(((y<<3) + 7) < ssd1306_lcd.height ? ((y<<3) + 7) : (ssd1306_lcd.height - 1));
ssd1306_spiDataMode(0);
ssd1306_intf.send(SSD1331_WRITEDATA);
ssd1306_spiDataMode(1);
}
static void ssd1351_setBlock2(lcduint_t x, lcduint_t y, lcduint_t w)
{
uint8_t rx = w ? (x + w - 1) : (ssd1306_lcd.width - 1);
ssd1306_intf.start();
ssd1306_spiDataMode(0);
ssd1306_intf.send(SSD1351_COLUMNADDR);
ssd1306_spiDataMode(1); // According to datasheet all args must be passed in data mode
ssd1306_intf.send(x);
ssd1306_intf.send(rx < ssd1306_lcd.width ? rx : (ssd1306_lcd.width - 1));
ssd1306_spiDataMode(0);
ssd1306_intf.send(SSD1351_ROWADDR);
ssd1306_spiDataMode(1); // According to datasheet all args must be passed in data mode
ssd1306_intf.send(y);
ssd1306_intf.send(ssd1306_lcd.height - 1);
ssd1306_spiDataMode(0);
ssd1306_intf.send(SSD1331_WRITEDATA);
ssd1306_spiDataMode(1);
}
static void ssd1351_nextPage(void)
{
ssd1306_intf.stop();
ssd1351_setBlock(s_column,s_page+1,0);
}
static void ssd1351_nextPage2(void)
{
}
void ssd1351_setMode(lcd_mode_t mode)
{
ssd1306_intf.start();
ssd1306_spiDataMode(0);
ssd1306_intf.send( SSD1351_SEGREMAP );
ssd1306_spiDataMode(1);
ssd1306_intf.send( 0B00110100 | mode );
ssd1306_intf.stop();
if (mode == LCD_MODE_SSD1306_COMPAT)
{
ssd1306_lcd.set_block = ssd1351_setBlock;
ssd1306_lcd.next_page = ssd1351_nextPage;
}
else if (mode == LCD_MODE_NORMAL )
{
ssd1306_lcd.set_block = ssd1351_setBlock2;
ssd1306_lcd.next_page = ssd1351_nextPage2;
}
}
static void ssd1351_sendPixels(uint8_t data)
{
for (uint8_t i=8; i>0; i--)
{
if ( data & 0x01 )
{
ssd1306_intf.send( (uint8_t)(ssd1306_color>>8) );
ssd1306_intf.send( (uint8_t)(ssd1306_color) );
}
else
{
ssd1306_intf.send( 0B00000000 );
ssd1306_intf.send( 0B00000000 );
}
data >>= 1;
}
}
static void ssd1351_sendPixelsBuffer(const uint8_t *buffer, uint16_t len)
{
while(len--)
{
ssd1351_sendPixels(*buffer);
buffer++;
}
}
static void ssd1351_sendPixel8(uint8_t data)
{
uint16_t color = RGB8_TO_RGB16(data);
ssd1306_intf.send( color >> 8 );
ssd1306_intf.send( color & 0xFF );
}
static void ssd1351_sendPixel16(uint16_t color)
{
ssd1306_intf.send( color >> 8 );
ssd1306_intf.send( color & 0xFF );
}
void ssd1351_128x128_init()
{
ssd1306_lcd.type = LCD_TYPE_SSD1331;
ssd1306_lcd.height = 128;
ssd1306_lcd.width = 128;
ssd1306_lcd.set_block = ssd1351_setBlock;
ssd1306_lcd.next_page = ssd1351_nextPage;
ssd1306_lcd.send_pixels1 = ssd1351_sendPixels;
ssd1306_lcd.send_pixels_buffer1 = ssd1351_sendPixelsBuffer;
ssd1306_lcd.send_pixels8 = ssd1351_sendPixel8;
ssd1306_lcd.send_pixels16 = ssd1351_sendPixel16;
ssd1306_lcd.set_mode = ssd1351_setMode;
ssd1306_intf.start();
ssd1306_spiDataMode(0);
for( uint8_t i=0; i<sizeof(s_oled128x128_initData); i++)
{
uint8_t data = pgm_read_byte(&s_oled128x128_initData[i]);
if (data == CMD_ARG)
{
data = pgm_read_byte(&s_oled128x128_initData[++i]);
ssd1306_spiDataMode(1);
ssd1306_intf.send(data);
ssd1306_spiDataMode(0);
}
else
{
ssd1306_intf.send(data);
}
}
ssd1306_intf.stop();
}
void ssd1351_128x128_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
{
if (rstPin >=0)
{
ssd1306_resetController( rstPin, 20 );
}
/* ssd1351 cannot work faster than at 4MHz per datasheet */
s_ssd1306_spi_clock = 4400000;
ssd1306_spiInit(cesPin, dcPin);
ssd1351_128x128_init();
}