ssd1306_stc8h3k.c File Reference

#include "fw_hal.h"
#include "ssd1306.h"

Go to the source code of this file.

Functions
void	I2C_Init (void)
void	GPIO_Init (void)
int	main (void)

Function Documentation

GPIO_Init()

void GPIO_Init

(

void

)

Definition at line 43 of file ssd1306_stc8h3k.c.

{
    // SDA
    GPIO_P3_SetMode(GPIO_Pin_3, GPIO_Mode_InOut_QBD);
    // SCL
    GPIO_P3_SetMode(GPIO_Pin_2, GPIO_Mode_Output_PP);
}

I2C_Init()

void I2C_Init

(

void

)

I2C clock = FOSC / 2 / (prescaler * 2 + 4) SSD1306 works with i2c clock up to 1.3 MHz, beyond this value, display may fail.

Definition at line 28 of file ssd1306_stc8h3k.c.

{
    // Master mode
    I2C_SetWorkMode(I2C_WorkMode_Master);
    I2C_SetClockPrescaler(0x10);
    // Switch alternative port
    I2C_SetPort(I2C_AlterPort_P32_P33);
    // Start I2C
    I2C_SetEnabled(HAL_State_ON);
}

main()

int main

(

void

)

Definition at line 51 of file ssd1306_stc8h3k.c.

{
    int y1, y2;
    uint8_t d1, d2;
 
    SYS_SetClock();
    GPIO_Init();
    I2C_Init();
    SSD1306_Init();
 
    while(1)
    {
        SSD1306_DrawLine(0,   0, 127,  0, 1);
        SSD1306_DrawLine(0,   0,   0, 63, 1);
        SSD1306_DrawLine(127, 0, 127, 63, 1);
        SSD1306_DrawLine(0,  63, 127, 63, 1);
        SSD1306_UpdateScreen(); // display
        SYS_Delay(1000);
 
        SSD1306_Fill(0);
 
        SSD1306_ToggleInvert(); // Invert display
        SSD1306_UpdateScreen();
        SYS_Delay(1000);
 
        SSD1306_ToggleInvert(); // Invert display
        SSD1306_UpdateScreen();
        SYS_Delay(1000);
 
        y1 = 64, y2 = 0;
        while (y1 > 0)
        {
            SSD1306_DrawLine(0, y1, 127, y2, 1);
            SSD1306_UpdateScreen();
            y1 -= 2;
            y2 += 2;
        }
        SYS_Delay(1000);
 
        SSD1306_Fill(0);
        y1 = 127, y2 = 0;
        while (y1 > 0)
        {
            SSD1306_DrawLine(y1, 0, y2, 63, 1);
            SSD1306_UpdateScreen();
            y1 -= 2;
            y2 += 2;
        }
        SYS_Delay(1000);
    }
}