110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
#include "canvas.h"
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#include "canvas_i.h"
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#include <assert.h>
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#include <flipper.h>
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#include <u8g2.h>
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struct Canvas {
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u8g2_t fb;
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uint8_t offset_x;
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uint8_t offset_y;
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uint8_t width;
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uint8_t height;
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};
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uint8_t canvas_width(CanvasApi* api);
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uint8_t canvas_height(CanvasApi* api);
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void canvas_clear(CanvasApi* api);
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void canvas_color_set(CanvasApi* api, uint8_t color);
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void canvas_font_set(CanvasApi* api, Font font);
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void canvas_str_draw(CanvasApi* api, uint8_t x, uint8_t y, const char* str);
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CanvasApi* canvas_api_init() {
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CanvasApi* api = furi_alloc(sizeof(CanvasApi));
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u8g2_t _u8g2;
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u8g2_Setup_st7565_erc12864_alt_f(
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&api->canvas.fb, U8G2_R0, u8x8_hw_spi_stm32, u8g2_gpio_and_delay_stm32);
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u8g2_InitDisplay(
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&canvas->fb); // send init sequence to the display, display is in sleep mode after this
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u8g2_SetContrast(&api->canvas.fb, 36);
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u8g2_SetPowerSave(&api->canvas.fb, 0); // wake up display
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u8g2_SendBuffer(&api->canvas.fb);
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api->width = canvas_width;
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api->height = canvas_height;
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api->clear = canvas_clear;
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api->canvas_color_set = canvas_color_set;
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api->canvas_font_set = canvas_font_set;
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api->draw_str = canvas_str_draw;
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api->fonts = {
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.primary = u8g2_font_Born2bSportyV2_tr,
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.secondary = u8g2_font_HelvetiPixel_tr,
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};
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return api;
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}
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void canvas_api_free(CanvasApi* api) {
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assert(api);
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free(api);
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}
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void canvas_commit(CanvasApi* api) {
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assert(api);
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u8g2_SetPowerSave(&api->canvas.fb, 0); // wake up display
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u8g2_SendBuffer(&api->canvas.fb);
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}
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void canvas_frame_set(
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CanvasApi* api,
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uint8_t offset_x,
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uint8_t offset_y,
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uint8_t width,
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uint8_t height) {
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assert(api);
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api->canvas.offset_x = offset_x;
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api->canvas.offset_y = offset_y;
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api->canvas.width = width;
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api->canvas.height = height;
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}
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uint8_t canvas_width(CanvasApi* api) {
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assert(api);
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return api->canvas.width;
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}
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uint8_t canvas_height(CanvasApi* api) {
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assert(api);
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return api->canvas.height;
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}
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void canvas_clear(CanvasApi* api) {
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assert(api);
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u8g2_ClearBuffer(&api->canvas.fb);
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}
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void canvas_color_set(CanvasApi* api, Color color) {
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assert(api);
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u8g2_SetDrawColor(&api->canvas.fb, color);
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}
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void canvas_font_set(CanvasApi* api, Font font) {
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assert(api);
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u8g2_SetFontMode(&api->canvas.fb, 1);
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u8g2_SetFont(&api->canvas.fb, font);
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}
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void canvas_str_draw(CanvasApi* api, uint8_t x, uint8_t y, const char* str) {
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assert(api);
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x += api->canvas.offset_x;
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y += api->canvas.offset_y;
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u8g2_DrawStr(&api->canvas.fb, x, y, str);
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}
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