152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
#include "display.h"
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#include <array>
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#include "GC9A01/VGA1_16x32.h"
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#include "gc9a01.h"
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#include "hardware/gpio.h"
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#include "hardware/spi.h"
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#include "hardware/structs/io_bank0.h"
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#include "pico/time.h"
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#include "spi.h"
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#include <cmath>
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#include <stdio.h>
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#include "Font5x7FixedMono.h"
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#include "hardware/rtc.h"
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int32_t t_fine;
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uint16_t dig_T1;
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int16_t dig_T2, dig_T3;
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// LCD config
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gc9a01_GC9A01_obj_t create_lcd() {
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spi_init(SPI_PORT, SPI_CLOCK_HZ); // Use your defined SPI port and clock speed
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// Initialize GPIO pins for SPI communication using your definitions
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gpio_set_function(PIN_SCK, GPIO_FUNC_SPI); // SCK = 18
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gpio_set_function(PIN_MOSI, GPIO_FUNC_SPI); // MOSI = 19
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// Note: MISO not needed for display, but if you had one it would be on a
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// separate pin
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// Configure Chip Select
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gpio_init(PIN_CS); // CS = 17
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gpio_set_dir(PIN_CS, GPIO_OUT);
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gpio_put(PIN_CS, 1); // Set CS High
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// Configure Reset pin
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gpio_init(PIN_RST); // Reset = 20
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gpio_set_dir(PIN_RST, GPIO_OUT);
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gpio_put(PIN_RST, 0);
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// Configure DC pin
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gpio_init(PIN_DC); // DC = 16
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gpio_set_dir(PIN_DC, GPIO_OUT);
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gpio_put(PIN_DC, 0);
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// Note: You don't have a backlight pin defined in spi.h
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// If you have a backlight control, define PIN_BL in spi.h
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// For now, commenting out backlight control:
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/*
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gpio_init(PIN_BL);
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gpio_set_dir(PIN_BL, GPIO_OUT);
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gpio_put(PIN_BL, 0);
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*/
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gc9a01_GC9A01_obj_t lcd;
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lcd.spi_obj = SPI_PORT;
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lcd.reset = PIN_RST;
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lcd.dc = PIN_DC;
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lcd.cs = PIN_CS;
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lcd.backlight =
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-1; // Set to -1 if no backlight control, or define PIN_BL in spi.h
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lcd.xstart = 0;
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lcd.ystart = 0;
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lcd.display_width = 240;
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lcd.display_height = 240;
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lcd.rotation = 0;
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lcd.buffer_size = 2048;
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lcd.i2c_buffer = static_cast<uint16_t *>(malloc(2048));
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return lcd;
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}
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gc9a01_GC9A01_obj_t display;
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void draw_ui_circle(uint16_t color)
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{
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for (int i = 720; i > 0; i--) {
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int x = 120 + (int)(119.0 * sin((180.0 + i / 2.0) * M_TWOPI / 360.0));
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int y = 120 + (int)(119.0 * cos((180.0 + i / 2.0) * M_TWOPI / 360.0));
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gc9a01_draw_pixel(&display, x, y, color);
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}
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}
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std::array<uint16_t,2> get_ui_circle_vertical_pos(uint16_t x, uint16_t center_x, uint16_t center_y, uint16_t radius)
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{
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// Ctalculate horizontal distance from point to center
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uint16_t dx = x - center_x;
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uint16_t dx_squared = dx * dx;
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uint16_t radius_squared = radius * radius;
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// Check if point's x-coordinate is within circle bounds
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if (dx_squared >= radius_squared) {
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return {0,0}; // Outside circle - no vertical space
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}
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// Calculate vertical distance from center to circle edge at this x
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float vertical_offset = sqrt(radius_squared - dx_squared);
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// Find y-coordinates where vertical line intersects circle
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uint16_t y_top = center_y - (uint16_t)vertical_offset;
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uint16_t y_bottom = center_y + (uint16_t)vertical_offset;
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std::array<uint16_t,2> positions ={y_top,y_bottom};
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return positions;
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}
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void clear_display() {
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gc9a01_fill(&display, BLACK);
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}
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void display_start() {
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char buf[10];
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display = create_lcd();
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gc9a01_init(&display);
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sleep_ms(100);
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clear_display();
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draw_ui_circle(MAGENTA);
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}
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void print_time(const bool force_refresh) {
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datetime_t t;
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if (rtc_get_datetime(&t)) {
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const GFXfont* font = &VGA1_16x32;
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char buf[11];
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sprintf(buf,"%02d:%02d:%02d", t.hour, t.min, t.sec);
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gc9a01_text(&display,font,buf,120-((16*8)/2),120-16,WHITE, BLACK);
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static uint8_t last_day = UINT8_MAX;
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if (last_day != t.day || force_refresh) {
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font = &Font5x7FixedMono;
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sprintf(buf,"%02d.%02d.%04d",t.day,t.month,t.year);
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gc9a01_text_gfx_buffered(&display,font,buf,120-((6*10)/2),((120-16)+32)+7,WHITE,BLACK);
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last_day = t.day;
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}
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} else {
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const char* rtc_fail= "NO SYNC!";
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const GFXfont* font = &Font5x7FixedMono;
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gc9a01_text_gfx_buffered(&display,font,rtc_fail,120-((5*8)/2),120-((7*1)/2),RED,BLACK);
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}
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}
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