C Library for ST7735 1.8 TFT LCD display
/**
* --------------------------------------------------------------------------------------------+
* @name Main example st7735 LCD driver
* --------------------------------------------------------------------------------------------+
* Copyright (C) 2020 Marian Hrinko.
* Written by Marian Hrinko (mato.hrinko@gmail.com)
*
* @author Marian Hrinko
* @datum 13.10.2020
* @update 21.06.2021
* @file main.c
* @version 2.0
* @tested AVR Atmega328
*
* @depend st7735.h
* --------------------------------------------------------------------------------------------+
* @descr Version 1.0 -> applicable for 1 display
* Version 2.0 -> applicable for more than 1 display
*/
#include "lib/st7735.h"
/**
* @desc Main function
*
* @param Void
*
* @returnVoid
*/
int main (void)
{
// start
uint8_t start = 30;
// end
uint8_t end = MAX_X - start;
// LCD 1 - init struct
// ----------------------------------------------------------
// Chip Select
struct signal cs = { .ddr = &DDRB, .port = &PORTB, .pin = 2 };
// Back Light
struct signal bl = { .ddr = &DDRB, .port = &PORTB, .pin = 1 };
// Data / Command
struct signal dc = { .ddr = &DDRB, .port = &PORTB, .pin = 0 };
// Reset
struct signal rs = { .ddr = &DDRD, .port = &PORTD, .pin = 7 };
// LCD struct
struct st7735 lcd1 = { .cs = &cs, .bl = &bl, .dc = &dc, .rs = &rs };
// LCD 2 - init struct
// ----------------------------------------------------------
// Chip Select
struct signal cs2 = { .ddr = &DDRD, .port = &PORTD, .pin = 0 };
// Back Light
struct signal bl2 = { .ddr = &DDRD, .port = &PORTD, .pin = 1 };
// Data / Command
struct signal dc2 = { .ddr = &DDRB, .port = &PORTB, .pin = 0 };
// Reset
struct signal rs2 = { .ddr = &DDRD, .port = &PORTD, .pin = 3 };
// LCD struct
struct st7735 lcd2 = { .cs = &cs2, .bl = &bl2, .dc = &dc2, .rs = &rs2 };
// LCD 1
// ----------------------------------------------------------
// init lcd 1
ST7735_Init (&lcd1);
// clear screen
ST7735_ClearScreen (&lcd1, BLACK);
// set position X, Y
ST7735_SetPosition (start + 5, 10);
// draw string
ST7735_DrawString (&lcd1, "Loading DATA ...", WHITE, X2);
// draw Loading
for (uint8_t i = start; i < end; i++) {
// draw rectangle
ST7735_DrawRectangle (&lcd1, start, i, 30, 40, RED);
}
// LCD 2
// ----------------------------------------------------------
// init lcd 2
ST7735_Init (&lcd2);
// clear screen
ST7735_ClearScreen (&lcd2, BLACK);
// set position X, Y
ST7735_SetPosition (17, 10);
// draw string
ST7735_DrawString (&lcd2, "ST7735 LCD 2", WHITE, X3);
// draw fast horizontal line
ST7735_DrawLineHorizontal (&lcd2, 5, MAX_X - 5, 27, WHITE);
// EXIT
// -------------------------------------------------
// return & exit
return 0;
}
看起来不错 屏幕从哪买的啊 MCC配置的有吗？
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