mirror of
https://github.com/nopnop2002/esp-idf-ssd1306.git
synced 2024-10-03 18:18:47 -04:00
224 lines
7.6 KiB
C
224 lines
7.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "ssd1306.h"
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#include "ncenR12.h"
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#include "timR12.h"
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#include "emoticons.h"
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#include "Scroll-o-Sprites.h"
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/*
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You have to set this config value with menuconfig
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CONFIG_INTERFACE
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for i2c
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CONFIG_MODEL
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CONFIG_SDA_GPIO
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CONFIG_SCL_GPIO
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CONFIG_RESET_GPIO
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for SPI
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CONFIG_CS_GPIO
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CONFIG_DC_GPIO
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CONFIG_RESET_GPIO
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*/
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#define tag "SSD1306"
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typedef struct {
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unsigned char encoding;
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unsigned char width;
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unsigned char bbw;
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unsigned char bbh;
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unsigned char bbx;
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unsigned char bby;
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unsigned char num_data;
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unsigned char y_start;
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unsigned char y_end;
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} BDF_FONT_t;
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esp_err_t load_bitmap_font(unsigned char *font, int encoding, unsigned char *bitmap, BDF_FONT_t *bdf_font)
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{
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ESP_LOGI(tag, "encoding=%d", encoding);
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int index = 2;
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while (1) {
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ESP_LOGD(tag, "font[%d]=%d size=%d", index, font[index], font[index+6]);
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if (font[index+6] == 0) break;
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if (font[index] == encoding) {
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bdf_font->encoding = font[index];
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bdf_font->width = font[index+1];
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bdf_font->bbw = font[index+2];
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bdf_font->bbh = font[index+3];
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bdf_font->bbx = font[index+4];
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bdf_font->bby = font[index+5];
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bdf_font->num_data = font[index+6];
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bdf_font->y_start = font[index+7];
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bdf_font->y_end = font[index+8];
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for (int i=0;i<font[index+6];i++) {
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ESP_LOGD(tag, "font[%d]=0x%x", index+9+i, font[index+9+i]);
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bitmap[i] = font[index+9+i];
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}
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return ESP_OK;
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}
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index = index + font[index+6] + 9;;
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} // end while
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return ESP_ERR_NOT_FOUND;
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}
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esp_err_t show_bdf_font_text(SSD1306_t * dev, unsigned char *font, char *text, int xpos, int ypos)
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{
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int fontboundingbox_width = font[0];
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int fontboundingbox_height = font[1];
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size_t bitmap_size = ((fontboundingbox_width + 7) / 8) * fontboundingbox_height;
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ESP_LOGD(tag, "fontboundingbox_width=%d fontboundingbox_height=%d bitmap_size=%d",
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fontboundingbox_width, fontboundingbox_height, bitmap_size);
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unsigned char *bitmap = malloc(bitmap_size);
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if (bitmap == NULL) {
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ESP_LOGE(tag, "malloc fail");
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return ESP_ERR_NO_MEM;
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}
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BDF_FONT_t bdf_font;
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int _xpos = xpos;
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for (int i=0;i<strlen(text);i++) {
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memset(bitmap, 0, bitmap_size);
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int ch = text[i];
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esp_err_t err = load_bitmap_font(font, ch, bitmap, &bdf_font);
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if (err != ESP_OK) {
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ESP_LOGE(tag, "font not found [%d]", ch);
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continue;
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}
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//ESP_LOG_BUFFER_HEXDUMP(tag, bitmap, bdf_font.num_data, ESP_LOG_INFO);
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ESP_LOGD(tag, "bdf_font.width=%d", bdf_font.width);
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ESP_LOGD(tag, "bdf_font.bbx=%d, bby=%d", bdf_font.bbx, bdf_font.bby);
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ESP_LOGD(tag, "bdf_font.y_start=%d, y_end=%d", bdf_font.y_start, bdf_font.y_end);
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int bitmap_height = bdf_font.y_end - bdf_font.y_start + 1;
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int bitmap_width = bdf_font.num_data / bitmap_height;
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ESP_LOGD(tag, "bitmap_width=%d bitmap_height=%d", bitmap_width, bitmap_height);
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_ssd1306_bitmaps(dev, _xpos, ypos+bdf_font.y_start, bitmap, bitmap_width*8, bitmap_height, false);
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_xpos = _xpos + bdf_font.width;
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}
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ssd1306_show_buffer(dev);
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free(bitmap);
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return ESP_OK;
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}
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esp_err_t show_bdf_font_code(SSD1306_t * dev, unsigned char *font, int code, int xpos, int ypos)
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{
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int fontboundingbox_width = font[0];
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int fontboundingbox_height = font[1];
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size_t bitmap_size = ((fontboundingbox_width + 7) / 8) * fontboundingbox_height;
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ESP_LOGD(tag, "fontboundingbox_width=%d fontboundingbox_height=%d bitmap_size=%d",
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fontboundingbox_width, fontboundingbox_height, bitmap_size);
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unsigned char *bitmap = malloc(bitmap_size);
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if (bitmap == NULL) {
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ESP_LOGE(tag, "malloc fail");
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return ESP_ERR_NO_MEM;
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}
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BDF_FONT_t bdf_font;
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memset(bitmap, 0, bitmap_size);
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esp_err_t err = load_bitmap_font(font, code, bitmap, &bdf_font);
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if (err != ESP_OK) {
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ESP_LOGE(tag, "font not found [%d]", code);
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return err;
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}
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//ESP_LOG_BUFFER_HEXDUMP(tag, bitmap, bdf_font.num_data, ESP_LOG_INFO);
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ESP_LOGD(tag, "bdf_font.width=%d", bdf_font.width);
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ESP_LOGD(tag, "bdf_font.bbx=%d, bby=%d", bdf_font.bbx, bdf_font.bby);
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ESP_LOGD(tag, "bdf_font.y_start=%d, y_end=%d", bdf_font.y_start, bdf_font.y_end);
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int bitmap_height = bdf_font.y_end - bdf_font.y_start + 1;
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int bitmap_width = bdf_font.num_data / bitmap_height;
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ESP_LOGD(tag, "bitmap_width=%d bitmap_height=%d", bitmap_width, bitmap_height);
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ESP_LOG_BUFFER_HEXDUMP(tag, bitmap, bdf_font.num_data, ESP_LOG_DEBUG);
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ssd1306_bitmaps(dev, xpos, ypos+bdf_font.y_start, bitmap, bitmap_width*8, bitmap_height, false);
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free(bitmap);
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return ESP_OK;
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}
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void app_main(void)
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{
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SSD1306_t dev;
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#if CONFIG_I2C_INTERFACE
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ESP_LOGI(tag, "INTERFACE is i2c");
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ESP_LOGI(tag, "CONFIG_SDA_GPIO=%d",CONFIG_SDA_GPIO);
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ESP_LOGI(tag, "CONFIG_SCL_GPIO=%d",CONFIG_SCL_GPIO);
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ESP_LOGI(tag, "CONFIG_RESET_GPIO=%d",CONFIG_RESET_GPIO);
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i2c_master_init(&dev, CONFIG_SDA_GPIO, CONFIG_SCL_GPIO, CONFIG_RESET_GPIO);
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#endif // CONFIG_I2C_INTERFACE
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#if CONFIG_SPI_INTERFACE
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ESP_LOGI(tag, "INTERFACE is SPI");
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ESP_LOGI(tag, "CONFIG_MOSI_GPIO=%d",CONFIG_MOSI_GPIO);
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ESP_LOGI(tag, "CONFIG_SCLK_GPIO=%d",CONFIG_SCLK_GPIO);
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ESP_LOGI(tag, "CONFIG_CS_GPIO=%d",CONFIG_CS_GPIO);
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ESP_LOGI(tag, "CONFIG_DC_GPIO=%d",CONFIG_DC_GPIO);
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ESP_LOGI(tag, "CONFIG_RESET_GPIO=%d",CONFIG_RESET_GPIO);
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spi_master_init(&dev, CONFIG_MOSI_GPIO, CONFIG_SCLK_GPIO, CONFIG_CS_GPIO, CONFIG_DC_GPIO, CONFIG_RESET_GPIO);
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#endif // CONFIG_SPI_INTERFACE
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#if CONFIG_FLIP
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dev._flip = true;
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ESP_LOGW(tag, "Flip upside down");
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#endif
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#if CONFIG_SSD1306_128x64
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ESP_LOGI(tag, "Panel is 128x64");
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ssd1306_init(&dev, 128, 64);
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#endif // CONFIG_SSD1306_128x64
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#if CONFIG_SSD1306_128x32
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ESP_LOGI(tag, "Panel is 128x32");
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ssd1306_init(&dev, 128, 32);
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#endif // CONFIG_SSD1306_128x32
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while (1) {
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ssd1306_clear_screen(&dev, false);
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ssd1306_contrast(&dev, 0xff);
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show_bdf_font_text(&dev, __ncenR12_bitmap__, "Hello World", 0, 0); // You can change font file
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#if CONFIG_SSD1306_128x64
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show_bdf_font_text(&dev, __timR12_bitmap__, "Hello World", 0, 32); // You can change font file
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#endif
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vTaskDelay(500);
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ssd1306_clear_screen(&dev, false);
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ssd1306_contrast(&dev, 0xff);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 32, 0, 5);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 33, 24, 5);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 34, 48, 5);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 35, 72, 5);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 36, 96, 5);
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#if CONFIG_SSD1306_128x64
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show_bdf_font_code(&dev, __emoticons_bitmap__, 48, 0, 37);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 49, 24, 37);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 50, 48, 37);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 51, 72, 37);
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show_bdf_font_code(&dev, __emoticons_bitmap__, 52, 96, 37);
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#endif
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vTaskDelay(500);
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ssd1306_clear_screen(&dev, false);
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ssd1306_contrast(&dev, 0xff);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 57, 0, 5);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 69, 20, 5);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 70, 40, 5);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 81, 60, 5);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 88, 80, 5);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 93, 100, 5);
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#if CONFIG_SSD1306_128x64
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 1, 0, 37);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 6, 20, 37);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 26, 40, 37);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 27, 60, 37);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 33, 80, 37);
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show_bdf_font_code(&dev, __Scroll_o_Sprites_bitmap__, 46, 100, 37);
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#endif
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vTaskDelay(500);
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}
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}
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