RGBView

2026-06-26 21:32:41 +03:00 · 2024-12-27 14:39:43 +03:00
commit e6fc56a203
7 changed files with 278 additions and 0 deletions
@@ -0,0 +1,3 @@
+build/*
+.vscode/*
+
@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.18.4)
+include($ENV{PICO_SDK_PATH}/external/pico_sdk_import.cmake)
+
+project(circle C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+pico_sdk_init()
+
+add_executable(${PROJECT_NAME} main.c Thread.c)
+
+target_link_libraries(${PROJECT_NAME}
+    pico_stdlib
+    hardware_spi
+    hardware_dma
+    pico_multicore
+)
+
+pico_add_extra_outputs(${PROJECT_NAME})
@@ -0,0 +1,117 @@
+#include "Thread.h"
+#include "pico/stdlib.h"
+#include "hardware/spi.h"
+#include "pico/multicore.h"
+
+uint16_t frame_buffer[WIDTH * HEIGHT]; // Буфер для экрана
+
+//uint16_t frame_buffer1[WIDTH * HEIGHT]; // Буфер для экрана1
+
+void coreEntry(){
+    st7789_init(); // Initialize SPI and GPIO
+    gpio_put(PIN_BL, 1); // Подсветка
+    multicore_fifo_push_blocking(0); //Экран 0 свободен
+    //multicore_fifo_push_blocking(1); //Экран 1 свободен
+
+    while (true)
+    {
+        uint32_t data = multicore_fifo_pop_blocking();
+        if (data==0)
+        {
+            st7789_send_framebuffer(frame_buffer); //Рисую экран 0
+            multicore_fifo_push_blocking(0); //Экран 0 свободен
+        }
+        /*else if (data==1)
+        {
+            st7789_send_framebuffer(frame_buffer1); // Рисую первый экран
+            multicore_fifo_push_blocking(1); //Экран 1 свободен
+        }*/
+        else
+        {
+            multicore_reset_core1(); // Сброс и остановка ядра 1
+        }
+        
+    }
+    
+
+}
+
+void st7789_init() {
+    // Initialize SPI
+    spi_init(SPI_PORT, 1000 * 100 * 625); // 62.5MHz
+    gpio_set_function(PIN_MOSI, GPIO_FUNC_SPI);
+    gpio_set_function(PIN_SCK, GPIO_FUNC_SPI);
+
+    // Initialize control pins
+    gpio_init(PIN_CS);
+    gpio_init(PIN_DC);
+    gpio_init(PIN_RST);
+    gpio_init(PIN_BL);
+    gpio_set_dir(PIN_CS, GPIO_OUT);
+    gpio_set_dir(PIN_DC, GPIO_OUT);
+    gpio_set_dir(PIN_RST, GPIO_OUT);
+    gpio_set_dir(PIN_BL, GPIO_OUT);
+
+    // Reset the display
+    gpio_put(PIN_RST, 0);
+    sleep_ms(50);
+    gpio_put(PIN_RST, 1);
+    sleep_ms(50);
+
+    // Initialize ST7789 commands
+    st7789_send_command(0x01); // Software reset
+    sleep_ms(150);
+    st7789_send_command(0x11); // Exit sleep mode
+    sleep_ms(150);
+
+    st7789_send_command(0x36); // Memory data access control
+    st7789_send_data(0x20); // RGB
+    //st7789_send_data(0b00101000); // BGR
+
+    st7789_send_command(0x3A); // Interface pixel format
+    st7789_send_data(0b01010101);    // 16-bit/pixel
+
+    st7789_send_command(0x21); //INVON (21h): Display Inversion On
+    st7789_send_command(0x29); // Display ON
+}
+
+void st7789_send_command(uint8_t cmd) {
+    gpio_put(PIN_DC, 0);
+    gpio_put(PIN_CS, 0);
+    spi_write_blocking(SPI_PORT, &cmd, 1);
+    gpio_put(PIN_CS, 1);
+}
+
+void st7789_send_data(uint8_t data) {
+    gpio_put(PIN_DC, 1);
+    gpio_put(PIN_CS, 0);
+    spi_write_blocking(SPI_PORT, &data, 1);
+    gpio_put(PIN_CS, 1);
+}
+
+void st7789_send_framebuffer(uint16_t *buffer) {
+    // Установить область для записи на весь экран
+    st7789_send_command(0x2A); // Column address set
+    st7789_send_data(0x00);
+    st7789_send_data(0x00);           // X-start = 0
+    st7789_send_data((WIDTH - 1) >> 8);
+    st7789_send_data((WIDTH - 1) & 0xFF); // X-end = WIDTH-1
+
+    st7789_send_command(0x2B); // Row address set
+    st7789_send_data(0x00);
+    st7789_send_data(0x00);           // Y-start = 0
+    st7789_send_data((HEIGHT - 1) >> 8);
+    st7789_send_data((HEIGHT - 1) & 0xFF); // Y-end = HEIGHT-1
+
+    // Команда записи данных в память дисплея
+    st7789_send_command(0x2C); // Memory write
+
+    // Передача буфера на дисплей
+    gpio_put(PIN_DC, 1); // Режим данных
+    gpio_put(PIN_CS, 0); // Выбор устройства
+
+    // Отправка буфера по SPI
+    spi_write_blocking(SPI_PORT, (uint8_t *)buffer, WIDTH * HEIGHT * 2);
+
+    gpio_put(PIN_CS, 1); // Завершить передачу
+}
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#define SPI_PORT spi0
+#define PIN_MISO -1
+#define PIN_MOSI 19
+#define PIN_SCK  18
+#define PIN_CS   17
+#define PIN_DC   22
+#define PIN_RST  13
+#define PIN_BL   12
+
+#define WIDTH  320
+#define HEIGHT 240
+#define COLOR_BLACK 0x0000
+#define COLOR_WHITE 0xFFFF
+
+extern uint16_t frame_buffer[WIDTH * HEIGHT];
+extern uint16_t frame_buffer1[WIDTH * HEIGHT];
+
+void st7789_send_command(uint8_t cmd);
+void st7789_send_data(uint8_t data);
+void st7789_send_framebuffer(uint16_t *buffer);
+void coreEntry();
+void st7789_init();
@@ -0,0 +1,69 @@
+#include "main.h"
+#include "Thread.h"
+#include "pico/multicore.h"
+#include "pico/stdlib.h"
+
+int main() {
+    uint16_t red = 0;
+    uint16_t green = 0;
+    uint16_t blue = 0;
+    uint16_t summcolor=0;
+    uint32_t data;
+    stdio_init_all();
+    multicore_launch_core1(coreEntry); //Запускаю в ядре 1 процесс вывода на экран
+ 
+    while (red<32)
+    {
+        //uint8_t red_value = (pixel & red_mask) >> 11;
+        //uint8_t green_value = (pixel & green_mask) >> 5;
+        //uint8_t blue_value = (pixel & blue_mask);
+        data = multicore_fifo_pop_blocking();
+        fillBufer(frame_buffer,reverse(summcolor & 0b0000011111111111 | red << 11));//;
+        multicore_fifo_push_blocking(0); //Экран 0 нарисован
+        /*data = multicore_fifo_pop_blocking();
+        fillBufer(frame_buffer1,0x0000);
+        multicore_fifo_push_blocking(1); //Экран 0 нарисован*/
+        red+=1;
+        sleep_ms(20);       
+    }
+
+    while (green<64)
+    {
+        data = multicore_fifo_pop_blocking();
+        fillBufer(frame_buffer,reverse(summcolor & 0b1111100000011111 | green << 5)); //
+        multicore_fifo_push_blocking(0); //Экран 0 нарисован
+        green+=1;
+        sleep_ms(20);
+    }
+
+    while (blue<32)
+    {
+        data = multicore_fifo_pop_blocking();
+        fillBufer(frame_buffer,reverse(summcolor & 0b1111111111100000 | blue)); //
+        multicore_fifo_push_blocking(0); //Экран 0 нарисован
+        blue+=1;
+        sleep_ms(20);
+    }
+    
+    while (1) {
+        tight_loop_contents();
+    }
+}
+
+void fillBufer (uint16_t* buffer,uint16_t color){
+    for (uint16_t  y = 0; y < HEIGHT; y++)
+    {
+        for (uint16_t x = 0; x < WIDTH; x++)
+        {
+            buffer[y*WIDTH+x]=color;
+        }        
+    }
+    
+}
+
+unsigned short reverse(unsigned short x)
+{
+    x = (x & 0xFF) << 8 | (x & 0xFF00) >>  8;
+    return x;
+}
+
@@ -0,0 +1,3 @@
+#include <stdio.h>
+void fillBufer (uint16_t* buffer,uint16_t color);
+unsigned short reverse(unsigned short x);
@@ -0,0 +1,44 @@
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