ssd1306_tests.c

#include "ssd1306.h"
#include <string.h>

void ssd1306_TestBorder()
{
    ssd1306_Fill(Black);

    uint32_t start = HAL_GetTick();
    uint32_t end = start;
    uint8_t x = 0;
    uint8_t y = 0;
    do
    {
        ssd1306_DrawPixel(x, y, Black);

        if ((y == 0) && (x < 127))
            x++;
        else if ((x == 127) && (y < 31))
            y++;
        else if ((y == 31) && (x > 0))
            x--;
        else
            y--;

        ssd1306_DrawPixel(x, y, White);
        ssd1306_UpdateScreen();

        HAL_Delay(5);
        end = HAL_GetTick();
    } while ((end - start) < 10000);

    HAL_Delay(1000);
}

void ssd1306_TestFonts()
{
    ssd1306_Fill(Black);
    ssd1306_SetCursor(2, 0);
    ssd1306_WriteString("Font 11x18", Font_11x18, White);
    ssd1306_SetCursor(2, 19);
    ssd1306_WriteString("Font 7x10", Font_7x10, White);
    ssd1306_UpdateScreen();
    HAL_Delay(2000);
}

void ssd1306_TestFPS()
{
    ssd1306_Fill(Black);

    uint32_t start = HAL_GetTick();
    uint32_t end = start;
    int fps = 0;
    char message[] = "ABCDEFGHIJK";

    ssd1306_SetCursor(2, 0);
    ssd1306_WriteString("Testing...", Font_11x18, White);

    do
    {
        ssd1306_SetCursor(2, 0);
        ssd1306_WriteString(message, Font_11x18, White);
        ssd1306_UpdateScreen();

        char ch = message[0];
        memmove(message, message + 1, sizeof(message) - 2);
        message[sizeof(message) - 2] = ch;

        fps++;
        end = HAL_GetTick();
    } while ((end - start) < 3000);

    HAL_Delay(100);

    char buff[64];
    fps = fps / ((end - start) / 1000);
    snprintf(buff, sizeof(buff), "~%d FPS", fps);

    ssd1306_Fill(Black);
    ssd1306_SetCursor(2, 0);
    ssd1306_WriteString(buff, Font_11x18, White);
    ssd1306_UpdateScreen();
    HAL_Delay(1000);
}

void ssd1306_TestAll()
{
    //ssd1306_Init();
    ssd1306_TestFPS();
    ssd1306_TestBorder();
    ssd1306_TestFonts();
}