151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/*
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MIT License
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Copyright (c) 2017-2018, Alexey Dynda
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "lcd/lcd_common.h"
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#include "intf/ssd1306_interface.h"
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#include "intf/spi/ssd1306_spi.h"
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#include <stddef.h>
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#define CMD_ARG 0xFF
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#define CMD_DELAY 0xFF
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ssd1306_lcd_t ssd1306_lcd = { 0 };
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void ssd1306_sendData(uint8_t data)
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{
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ssd1306_dataStart();
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ssd1306_lcd.send_pixels1( data );
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ssd1306_intf.stop();
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}
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void ssd1306_configureI2cDisplay(const uint8_t *config, uint8_t configSize)
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{
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ssd1306_commandStart();
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for( uint8_t i=0; i<configSize; i++)
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{
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uint8_t data = pgm_read_byte(&config[i]);
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ssd1306_intf.send(data);
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}
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ssd1306_intf.stop();
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}
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void ssd1306_configureSpiDisplay(const uint8_t *config, uint8_t configSize)
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{
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ssd1306_intf.start();
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ssd1306_spiDataMode(0);
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for( uint8_t i=0; i<configSize; i++)
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{
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uint8_t data = pgm_read_byte(&config[i]);
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if (data == CMD_ARG)
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{
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data = pgm_read_byte(&config[++i]);
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ssd1306_spiDataMode(1);
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ssd1306_intf.send(data);
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ssd1306_spiDataMode(0);
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}
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else
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{
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ssd1306_intf.send(data);
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}
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}
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ssd1306_intf.stop();
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}
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void ssd1306_configureSpiDisplay2(const uint8_t *config, uint8_t configSize)
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{
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uint8_t command = 1;
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int8_t args = -1;
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ssd1306_intf.start();
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ssd1306_spiDataMode(0);
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for( uint8_t i=0; i<configSize; i++)
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{
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uint8_t data = pgm_read_byte(&config[i]);
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if ( command )
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{
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if ( command == CMD_DELAY )
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{
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command = 1;
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delay( data == 0xFF ? 500: data );
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}
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else
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{
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ssd1306_intf.send(data);
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command = 0;
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args = -1;
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}
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}
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else
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{
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if (args < 0)
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{
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if ( data >= 128 )
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{
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command = data;
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}
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else if ( data > 0 )
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{
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args = data;
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ssd1306_spiDataMode(1);
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}
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else
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{
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command = 1;
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}
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}
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else
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{
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args--;
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ssd1306_intf.send(data);
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if ( !args )
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{
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command = 1;
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ssd1306_spiDataMode(0);
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}
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}
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}
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}
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ssd1306_intf.stop();
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}
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void ssd1306_setMode(lcd_mode_t mode)
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{
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if (ssd1306_lcd.set_mode)
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{
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ssd1306_lcd.set_mode( mode );
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}
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}
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void ssd1306_resetController(int8_t rstPin, uint8_t delayMs)
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{
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pinMode(rstPin, OUTPUT);
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digitalWrite(rstPin, HIGH);
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/* Wait at least 10ms after VCC is up for LCD */
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delay(10);
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/* Perform reset operation of LCD display */
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digitalWrite(rstPin, LOW);
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delay(delayMs);
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digitalWrite(rstPin, HIGH);
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}
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