diff options
Diffstat (limited to 'drivers/qwiic/micro_oled.c')
-rw-r--r-- | drivers/qwiic/micro_oled.c | 482 |
1 files changed, 0 insertions, 482 deletions
diff --git a/drivers/qwiic/micro_oled.c b/drivers/qwiic/micro_oled.c deleted file mode 100644 index 8dfff6968f..0000000000 --- a/drivers/qwiic/micro_oled.c +++ /dev/null @@ -1,482 +0,0 @@ -/* Jim Lindblom @ SparkFun Electronics - * October 26, 2014 - * https://github.com/sparkfun/Micro_OLED_Breakout/tree/master/Firmware/Arduino/libraries/SFE_MicroOLED - * - * Modified by: - * Emil Varughese @ Edwin Robotics Pvt. Ltd. - * July 27, 2015 - * https://github.com/emil01/SparkFun_Micro_OLED_Arduino_Library/ - * - * This code was heavily based around the MicroView library, written by GeekAmmo - * (https://github.com/geekammo/MicroView-Arduino-Library). - * - * Adapted for QMK by: - * Jack Humbert <jack.humb@gmail.com> - * October 11, 2018 - * - * 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/>. - */ -#include "micro_oled.h" -#include "print.h" -#include <stdlib.h> -#include "util/font5x7.h" -#include "util/font8x16.h" -#include <string.h> - -#define TOTALFONTS 2 -const unsigned char* fonts_pointer[] = {font5x7, font8x16}; - -uint8_t foreColor, drawMode, fontWidth, fontHeight, fontType, fontStartChar, fontTotalChar, cursorX, cursorY; -uint16_t fontMapWidth; - -#ifndef _BV -# define _BV(x) (1 << (x)) -#endif - -#define swap(a, b) \ - { \ - uint8_t t = a; \ - a = b; \ - b = t; \ - } - -uint8_t micro_oled_transfer_buffer[20]; -static uint8_t micro_oled_screen_current[LCDWIDTH * LCDHEIGHT / 8] = {0}; - -/* LCD Memory organised in 64 horizontal pixel and 6 rows of byte - B B .............B ----- - y y .............y \ - t t .............t \ - e e .............e \ - 0 1 .............63 \ - \ - D0 D0.............D0 \ - D1 D1.............D1 / ROW 0 - D2 D2.............D2 / - D3 D3.............D3 / - D4 D4.............D4 / - D5 D5.............D5 / - D6 D6.............D6 / - D7 D7.............D7 ---- - */ -#ifdef NO_LCD_SPLASH -// do not initialize with a splash screen -static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0}; -#else -# if LCDWIDTH == 64 -# if LCDHEIGHT == 48 -static uint8_t micro_oled_screen_buffer[] = { - // QMK Logo - generated at http://www.majer.ch/lcd/adf_bitmap.php - // 64x48 image - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x60, 0x60, 0x60, 0xF8, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0x1F, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x1F, 0xFF, 0xFF, 0xFF, 0xFE, 0xFE, 0xF8, 0x60, 0x60, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8C, 0x8C, 0x8C, 0x8C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x8C, 0x8C, 0x8C, 0x8C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0x31, 0x31, 0x31, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xF8, 0xF1, 0xE3, 0xE7, 0xCF, 0xCF, 0xCF, 0xCF, 0x00, 0x00, 0xCF, 0xCF, 0xCF, 0xC7, 0xE7, 0xE3, 0xF1, 0xF8, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x31, 0x31, 0x31, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x1F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF8, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x7F, 0x1F, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; -# endif -# elif LCDWIDTH == 128 -# if LCDHEIGHT == 32 -static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = { - // 128x32 qmk image - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xE0, 0xFC, 0xFC, 0xE0, 0xFC, 0xFC, 0xE0, 0xF0, 0xFC, 0xE0, 0xE0, 0xFC, 0xE0, 0xE0, 0xFC, 0xFC, 0xE0, 0xE0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x10, 0x10, 0x30, 0xE0, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xB2, 0xB2, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x03, 0xFF, 0xFF, 0xFF, 0x03, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x03, 0xFF, 0xFF, 0xFF, 0xFF, 0xB7, 0xB2, 0xB2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x02, 0x02, 0x03, 0x01, 0x00, 0x06, 0x1F, 0x10, 0x10, 0x10, 0x1F, 0x06, 0x00, 0x03, 0x1E, 0x18, 0x0F, 0x01, 0x0F, 0x18, 0x1E, 0x01, 0x00, 0x0F, 0x1F, 0x12, 0x02, 0x12, 0x13, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x0E, 0x1F, 0x12, 0x02, 0x12, 0x13, 0x00, 0x00, 0x1F, 0x10, 0x10, 0x10, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x4D, 0x4D, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xF8, 0xF9, 0xF3, 0xF3, 0xC0, 0x80, 0xF3, 0xF3, 0xF3, 0xF9, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xED, 0x4D, 0x4D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0x20, 0x10, 0x10, 0xE0, 0xC0, 0x00, 0x70, 0xC0, 0x00, 0x80, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x0C, 0x04, 0x04, 0x04, 0x04, 0x1C, 0xF0, 0x00, 0x00, 0xFC, 0x0C, 0x38, 0xE0, 0x00, 0x00, 0xC0, 0x38, 0x0C, 0xFC, 0x00, 0x00, 0xFC, 0xFC, 0x60, 0x90, 0x0C, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x07, 0x3F, 0x3F, 0x07, 0x3F, 0x3F, 0x07, 0x0F, 0x3F, 0x07, 0x07, 0x3F, 0x07, 0x07, 0x3F, 0x3F, 0x07, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x06, 0x04, 0x04, 0x07, 0x01, 0x00, 0x00, 0x13, 0x1E, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x04, 0x04, 0x04, 0x04, 0x07, 0x0D, 0x08, 0x00, 0x07, 0x00, 0x00, 0x01, 0x07, 0x07, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x07, 0x07, 0x00, 0x01, 0x03, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; -# elif LCDHEIGHT == 64 -static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 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-void micro_oled_init(void) { - i2c_init(); - -#ifdef __AVR__ - i2c_start(I2C_ADDRESS_SA0_1, 100); -#else - i2c_start(I2C_ADDRESS_SA0_1); -#endif - - // Display Init sequence for 64x48 OLED module - send_command(DISPLAYOFF); // 0xAE - - send_command(SETDISPLAYCLOCKDIV); // 0xD5 - send_command(0x80); // the suggested ratio 0x80 - - send_command(SETMULTIPLEX); // 0xA8 - send_command(LCDHEIGHT - 1); - - send_command(SETDISPLAYOFFSET); // 0xD3 - send_command(0x00); // no offset - - send_command(SETSTARTLINE | 0x00); // line #0 - - send_command(CHARGEPUMP); // enable charge pump - send_command(0x14); - - send_command(NORMALDISPLAY); // 0xA6 - send_command(DISPLAYALLONRESUME); // 0xA4 - - // display at regular orientation - send_command(SEGREMAP | 0x1); - send_command(COMSCANDEC); - -// rotate display 180 -#ifdef micro_oled_rotate_180 - send_command(SEGREMAP); - send_command(COMSCANINC); -#endif - - send_command(MEMORYMODE); - send_command(0x02); // 0x02 = 10b, Page addressing mode - - send_command(SETCOMPINS); // 0xDA - if (LCDHEIGHT > 32) { - send_command(0x12); - } else { - send_command(0x02); - } - send_command(SETCONTRAST); // 0x81 - send_command(0x8F); - - send_command(SETPRECHARGE); // 0xd9 - send_command(0xF1); - - send_command(SETVCOMDESELECT); // 0xDB - send_command(0x40); - - send_command(DISPLAYON); //--turn on oled panel - clear_screen(); // Erase hardware memory inside the OLED controller to avoid random data in memory. - send_buffer(); -} - -void send_command(uint8_t command) { - micro_oled_transfer_buffer[0] = I2C_COMMAND; - micro_oled_transfer_buffer[1] = command; - i2c_transmit(I2C_ADDRESS_SA0_1 << 1, micro_oled_transfer_buffer, 2, 100); -} - -void send_data(uint8_t data) { - micro_oled_transfer_buffer[0] = I2C_DATA; - micro_oled_transfer_buffer[1] = data; - i2c_transmit(I2C_ADDRESS_SA0_1 << 1, micro_oled_transfer_buffer, 2, 100); -} - -/** \brief Set SSD1306 page address. - Send page address command and address to the SSD1306 OLED controller. -*/ -void set_page_address(uint8_t address) { - address = (0xB0 | address); - send_command(address); -} - -/** \brief Set SSD1306 column address. - Send column address command and address to the SSD1306 OLED controller. -*/ -void set_column_address(uint8_t address) { - send_command((0x10 | (address >> 4)) + ((128 - LCDWIDTH) >> 8)); - send_command(0x0F & address); -} - -/** \brief Clear SSD1306's memory. - To clear GDRAM inside the LCD controller. -*/ -void clear_screen(void) { - for (int i = 0; i < 8; i++) { - set_page_address(i); - set_column_address(0); - for (int j = 0; j < 0x80; j++) { - send_data(0); - } - } - - memset(micro_oled_screen_current, 0, LCDWIDTH * LCDHEIGHT / 8); -} - -/** \brief Clear SSD1306's memory. - To clear GDRAM inside the LCD controller. -*/ -void clear_buffer(void) { - // 384 - memset(micro_oled_screen_buffer, 0, LCDWIDTH * LCDHEIGHT / 8); -} - -/** \brief Invert display. - The PIXEL_ON color of the display will turn to PIXEL_OFF and the PIXEL_OFF will turn to PIXEL_ON. -*/ -void invert_screen(bool invert) { - if (invert) { - send_command(INVERTDISPLAY); - } else { - send_command(NORMALDISPLAY); - } -} - -/** \brief Set contrast. - OLED contract value from 0 to 255. Note: Contrast level is not very obvious. -*/ -void set_contrast(uint8_t contrast) { - send_command(SETCONTRAST); // 0x81 - send_command(contrast); -} - -/** \brief Transfer display buffer. - Sends the updated buffer to the controller - the current status is checked before to save i2c exectution time -*/ -void send_buffer(void) { - uint8_t i, j; - - uint8_t page_addr = 0xFF; - for (i = 0; i < LCDHEIGHT / 8; i++) { - uint8_t col_addr = 0xFF; - for (j = 0; j < LCDWIDTH; j++) { - if (micro_oled_screen_buffer[i * LCDWIDTH + j] != micro_oled_screen_current[i * LCDWIDTH + j]) { - if (page_addr != i) { - set_page_address(i); - page_addr = i; - } - if (col_addr != j) { - set_column_address(j); - col_addr = j + 1; - } - send_data(micro_oled_screen_buffer[i * LCDWIDTH + j]); - micro_oled_screen_current[i * LCDWIDTH + j] = micro_oled_screen_buffer[i * LCDWIDTH + j]; - } - } - } -} - -/** \brief Draw pixel with color and mode. - Draw color pixel in the screen buffer's x,y position with NORM or XOR draw mode. -*/ -void draw_pixel(uint8_t x, uint8_t y, uint8_t color, uint8_t mode) { - if ((x < 0) || (x >= LCDWIDTH) || (y < 0) || (y >= LCDHEIGHT)) return; - - if (mode == XOR) { - if (color == PIXEL_ON) micro_oled_screen_buffer[x + (y / 8) * LCDWIDTH] ^= _BV((y % 8)); - } else { - if (color == PIXEL_ON) - micro_oled_screen_buffer[x + (y / 8) * LCDWIDTH] |= _BV((y % 8)); - else - micro_oled_screen_buffer[x + (y / 8) * LCDWIDTH] &= ~_BV((y % 8)); - } -} - -/** \brief Draw line with color and mode. -Draw line using color and mode from x0,y0 to x1,y1 of the screen buffer. -*/ -void draw_line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t color, uint8_t mode) { - uint8_t steep = abs(y1 - y0) > abs(x1 - x0); - if (steep) { - swap(x0, y0); - swap(x1, y1); - } - - if (x0 > x1) { - swap(x0, x1); - swap(y0, y1); - } - - uint8_t dx, dy; - dx = x1 - x0; - dy = abs(y1 - y0); - - int8_t err = dx / 2; - int8_t ystep; - - if (y0 < y1) { - ystep = 1; - } else { - ystep = -1; - } - - for (; x0 < x1; x0++) { - if (steep) { - draw_pixel(y0, x0, color, mode); - } else { - draw_pixel(x0, y0, color, mode); - } - err -= dy; - if (err < 0) { - y0 += ystep; - err += dx; - } - } -} - -/** \brief Draw horizontal line with color and mode. -Draw horizontal line using color and mode from x,y to x+width,y of the screen buffer. -*/ -void draw_line_hori(uint8_t x, uint8_t y, uint8_t width, uint8_t color, uint8_t mode) { draw_line(x, y, x + width, y, color, mode); } - -/** \brief Draw vertical line. -Draw vertical line using current fore color and current draw mode from x,y to x,y+height of the screen buffer. -*/ -void draw_line_vert(uint8_t x, uint8_t y, uint8_t height, bool color, uint8_t mode) { draw_line(x, y, x, y + height, color, mode); } - -/** \brief Draw rectangle with color and mode. -Draw rectangle using color and mode from x,y to x+width,y+height of the screen buffer. -*/ -void draw_rect(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color, uint8_t mode) { - uint8_t tempHeight; - - draw_line_hori(x, y, width, color, mode); - draw_line_hori(x, y + height - 1, width, color, mode); - - tempHeight = height - 2; - - // skip drawing vertical lines to avoid overlapping of pixel that will - // affect XOR plot if no pixel in between horizontal lines - if (tempHeight < 1) return; - - draw_line_vert(x, y + 1, tempHeight, color, mode); - draw_line_vert(x + width - 1, y + 1, tempHeight, color, mode); -} - -/** \brief Draw rectangle with color and mode. -Draw rectangle using color and mode from x,y to x+width,y+height of the screen buffer. -*/ -void draw_rect_soft(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color, uint8_t mode) { - uint8_t tempHeight; - - draw_line_hori(x + 1, y, width - 2, color, mode); - draw_line_hori(x + 1, y + height - 1, width - 2, color, mode); - - tempHeight = height - 2; - - // skip drawing vertical lines to avoid overlapping of pixel that will - // affect XOR plot if no pixel in between horizontal lines - if (tempHeight < 1) return; - - draw_line_vert(x, y + 1, tempHeight, color, mode); - draw_line_vert(x + width - 1, y + 1, tempHeight, color, mode); -} - -/** \brief Draw filled rectangle with color and mode. -Draw filled rectangle using color and mode from x,y to x+width,y+height of the screen buffer. -*/ -void draw_rect_filled(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color, uint8_t mode) { - // TODO - need to optimise the memory map draw so that this function will not call pixel one by one - for (int i = x; i < x + width; i++) { - draw_line_vert(i, y, height, color, mode); - } -} - -/** \brief Draw filled rectangle with color and mode. -Draw filled rectangle using color and mode from x,y to x+width,y+height of the screen buffer. -*/ -void draw_rect_filled_soft(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color, uint8_t mode) { - // TODO - need to optimise the memory map draw so that this function will not call pixel one by one - for (int i = x; i < x + width; i++) { - if (i == x || i == (x + width - 1)) - draw_line_vert(i, y + 1, height - 2, color, mode); - else - draw_line_vert(i, y, height, color, mode); - } -} - -/** \brief Draw character with color and mode. - Draw character c using color and draw mode at x,y. -*/ -void draw_char(uint8_t x, uint8_t y, uint8_t c, uint8_t color, uint8_t mode, uint8_t font) { - // TODO - New routine to take font of any height, at the moment limited to font height in multiple of 8 pixels - - uint8_t rowsToDraw, row, tempC; - uint8_t i, j, temp; - uint16_t charPerBitmapRow, charColPositionOnBitmap, charRowPositionOnBitmap, charBitmapStartPosition; - - if ((font >= TOTALFONTS) || (font < 0)) return; - - uint8_t fontType = font; - uint8_t fontWidth = pgm_read_byte(fonts_pointer[fontType] + 0); - uint8_t fontHeight = pgm_read_byte(fonts_pointer[fontType] + 1); - uint8_t fontStartChar = pgm_read_byte(fonts_pointer[fontType] + 2); - uint8_t fontTotalChar = pgm_read_byte(fonts_pointer[fontType] + 3); - uint16_t fontMapWidth = (pgm_read_byte(fonts_pointer[fontType] + 4) * 100) + pgm_read_byte(fonts_pointer[fontType] + 5); // two bytes values into integer 16 - - if ((c < fontStartChar) || (c > (fontStartChar + fontTotalChar - 1))) // no bitmap for the required c - return; - - tempC = c - fontStartChar; - - // each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn - rowsToDraw = fontHeight / 8; // 8 is LCD's page size, see SSD1306 datasheet - if (rowsToDraw <= 1) rowsToDraw = 1; - - // the following draw function can draw anywhere on the screen, but SLOW pixel by pixel draw - if (rowsToDraw == 1) { - for (i = 0; i < fontWidth + 1; i++) { - if (i == fontWidth) // this is done in a weird way because for 5x7 font, there is no margin, this code add a margin after col 5 - temp = 0; - else - temp = pgm_read_byte(fonts_pointer[fontType] + FONTHEADERSIZE + (tempC * fontWidth) + i); - - for (j = 0; j < 8; j++) { // 8 is the LCD's page height (see datasheet for explanation) - if (temp & 0x1) { - draw_pixel(x + i, y + j, color, mode); - } else { - draw_pixel(x + i, y + j, !color, mode); - } - - temp >>= 1; - } - } - return; - } - - // font height over 8 bit - // take character "0" ASCII 48 as example - charPerBitmapRow = fontMapWidth / fontWidth; // 256/8 =32 char per row - charColPositionOnBitmap = tempC % charPerBitmapRow; // =16 - charRowPositionOnBitmap = (int)(tempC / charPerBitmapRow); // =1 - charBitmapStartPosition = (charRowPositionOnBitmap * fontMapWidth * (fontHeight / 8)) + (charColPositionOnBitmap * fontWidth); - - // each row on LCD is 8 bit height (see datasheet for explanation) - for (row = 0; row < rowsToDraw; row++) { - for (i = 0; i < fontWidth; i++) { - temp = pgm_read_byte(fonts_pointer[fontType] + FONTHEADERSIZE + (charBitmapStartPosition + i + (row * fontMapWidth))); - for (j = 0; j < 8; j++) { // 8 is the LCD's page height (see datasheet for explanation) - if (temp & 0x1) { - draw_pixel(x + i, y + j + (row * 8), color, mode); - } else { - draw_pixel(x + i, y + j + (row * 8), !color, mode); - } - temp >>= 1; - } - } - } -} - -void draw_string(uint8_t x, uint8_t y, char* string, uint8_t color, uint8_t mode, uint8_t font) { - if ((font >= TOTALFONTS) || (font < 0)) return; - - uint8_t fontType = font; - uint8_t fontWidth = pgm_read_byte(fonts_pointer[fontType] + 0); - - uint8_t cur_x = x; - for (int i = 0; i < strlen(string); i++) { - draw_char(cur_x, y, string[i], color, mode, font); - cur_x += fontWidth + 1; - } -} |