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e3f23a1427
| Author | SHA1 | Date |
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true
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e3f23a1427 | |
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true
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04759ec9df |
396
src/main.cpp
396
src/main.cpp
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@ -14,19 +14,21 @@ const char name[] = "Your Name";
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#define SPI0_SCK 2
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#define SPI0_MISO GFX_NOT_DEFINED
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#define SPI0_MOSI 3
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#define SPI0_SCK 2
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#define SPI0_MISO GFX_NOT_DEFINED
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#define SPI0_MOSI 3
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#define DISP_NSS 1
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#define DISP_RESET 4
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#define DISP_DC 5
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#define DISP_NSS 1
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#define DISP_RESET 4
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#define DISP_DC 5
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#define TEXT_SIZE 5
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#define BORDER_COLOR DARKGREY
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#define ROT_SIZE 70
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#define TEXT_MAX_SIZE 5
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#define TEXT_BORDER_COLOR DARKGREY
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#define LETTER_SPACING 1942 // user-configurable
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#define ROT_SIZE (14 * TEXT_MAX_SIZE)
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#define TRANSPARENT_BG CYAN
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#define LETTER_SPACING 1942 // user-configurable
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Arduino_DataBus *bus = new Arduino_RPiPicoSPI(DISP_DC, DISP_NSS, SPI0_SCK, SPI0_MOSI, SPI0_MISO, spi0);
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@ -35,116 +37,124 @@ Arduino_GFX *disp = new Arduino_GC9A01(bus, DISP_RESET, 0 /* rotation */, true /
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Arduino_Canvas *dout = new Arduino_Canvas(240 /* width */, 240 /* height */, disp);
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Arduino_Canvas *drot = new Arduino_Canvas(ROT_SIZE, ROT_SIZE, disp);
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color_hsv hsv = {0, 255, 255};
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color_rgb rgb;
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void setup()
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{
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Serial.begin(115200);
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Serial.begin(115200);
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Serial.println("starting...");
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Serial.println("starting...");
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delay(50);
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delay(50);
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bus->begin(90000000);
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bus->begin(90000000);
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if (!disp->begin()) {
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Serial.println("failed to start disp");
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}
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if (!disp->begin()) {
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Serial.println("failed to start disp");
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}
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dout->begin();
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dout->fillScreen(BLACK);
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dout->flush();
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dout->begin();
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dout->fillScreen(BLACK);
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dout->flush();
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drot->begin();
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drot->setFont(u8g2_font_cubic11_h_cjk); // u8g2_font_spleen16x32_mr
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drot->setTextSize(TEXT_SIZE);
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drot->begin();
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drot->setFont(u8g2_font_cubic11_h_cjk); // u8g2_font_spleen16x32_mr
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}
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void rotate_letter(uint8_t idx, int16_t rot, int16_t out_x, int16_t out_y, uint16_t color)
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int16_t render_drot_printchar(const char *str, uint8_t idx, uint8_t size, uint16_t color)
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{
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int16_t x, y;
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int16_t nx, ny;
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int16_t sx, sy;
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if (size > TEXT_MAX_SIZE) size = TEXT_MAX_SIZE;
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int16_t start_x, start_y;
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// clear the rotation buffer
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drot->fillScreen(TRANSPARENT_BG);
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int16_t x_width;
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// print the letter to the center of the rotation buffer
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drot->setCursor(1, (size * 10));
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drot->setTextColor(color);
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drot->print(str[idx]);
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return drot->getCursorX() - size + 1;
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}
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uint16_t *src, *dst;
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uint16_t src_pxl;
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uint16_t bgcolor = CYAN;
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void render_drot_border(int8_t x_width, uint16_t text_color, uint16_t border_color)
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{
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uint16_t *src, *dst;
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int16_t x, y;
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uint8_t is_color;
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uint8_t is_color;
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// framebuffer pointers
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src = drot->getFramebuffer();
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dst = dout->getFramebuffer();
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// clear the rotation buffer
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drot->fillScreen(CYAN);
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// naive bordering
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for (y = 0; y < ROT_SIZE; y++) {
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is_color = 0;
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for (x = 0; x < x_width; x++) {
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if (is_color) {
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if (src[x + (y * ROT_SIZE)] != text_color) {
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is_color = 0;
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src[x + (y * ROT_SIZE)] = border_color;
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}
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} else {
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if (src[x + (y * ROT_SIZE)] == text_color) {
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is_color = 1;
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src[x + (y * ROT_SIZE) - 1] = border_color;
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}
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}
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}
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}
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// print the letter to the center of the rotation buffer
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drot->setCursor(1, (TEXT_SIZE * 10));
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drot->setTextColor(color);
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drot->print(name[idx]);
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x_width = drot->getCursorX() - TEXT_SIZE + 1;
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// framebuffer pointers
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src = drot->getFramebuffer();
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dst = dout->getFramebuffer();
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// naive bordering
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for (y = 0; y < ROT_SIZE; y++) {
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is_color = 0;
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for (x = 0; x < x_width; x++) {
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if (is_color) {
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if (src[x + (y * ROT_SIZE)] != color) {
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is_color = 0;
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src[x + (y * ROT_SIZE)] = BORDER_COLOR;
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}
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} else {
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if (src[x + (y * ROT_SIZE)] == color) {
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is_color = 1;
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src[x + (y * ROT_SIZE) - 1] = BORDER_COLOR;
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}
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}
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}
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}
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for (x = 0; x < x_width; x++) {
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for (x = 0; x < x_width; x++) {
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is_color = 0;
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for (y = 0; y < ROT_SIZE; y++) {
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if (is_color) {
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if (src[x + (y * ROT_SIZE)] != color) {
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if (src[x + (y * ROT_SIZE)] != text_color) {
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is_color = 0;
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src[x + (y * ROT_SIZE)] = BORDER_COLOR;
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src[x + (y * ROT_SIZE)] = border_color;
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}
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} else {
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if (src[x + (y * ROT_SIZE)] == color) {
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if (src[x + (y * ROT_SIZE)] == text_color) {
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is_color = 1;
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src[x + (y * ROT_SIZE) - ROT_SIZE] = BORDER_COLOR;
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src[x + (y * ROT_SIZE) - ROT_SIZE] = border_color;
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}
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}
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}
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}
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}
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// position
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start_x = out_x + 120;
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start_y = out_y + 120;
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void render_drot_rotate(int16_t x_width, int16_t rot, int16_t out_x, int16_t out_y)
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{
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int16_t x, y;
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int16_t nx, ny;
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int16_t sx, sy;
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// rotate+copy the buffer
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for (y = 0; y < ROT_SIZE; y++) {
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uint16_t *src, *dst;
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uint16_t src_pxl;
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// position
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int16_t start_x = out_x + 120;
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int16_t start_y = out_y + 120;
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// framebuffer pointers
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src = drot->getFramebuffer();
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dst = dout->getFramebuffer();
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// rotate+copy the buffer
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for (y = 0; y < ROT_SIZE; y++) {
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for (x = 0; x < x_width; x++) {
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src_pxl = src[x + (y * ROT_SIZE)];
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sx = x + 1 - (x_width >> 1);
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sy = y - (ROT_SIZE/2) + 1;
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if (src_pxl != bgcolor) {
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src_pxl = src[x + (y * ROT_SIZE)];
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sx = x + 1 - (x_width >> 1);
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sy = y - (ROT_SIZE/2) + 1;
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if (src_pxl != TRANSPARENT_BG) {
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nx = ((sx * cos1(rot)) - (sy * sin1(rot))) >> 15;
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ny = ((sx * sin1(rot)) + (sy * cos1(rot))) >> 15;
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nx += start_x;
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ny += start_y;
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if ((nx >= 0) && (nx < 240)) {
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ny += start_y;
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if ((nx >= 0) && (nx < 240)) {
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if ((ny >= 0) && (ny < 240)) {
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dst[nx + (ny*240)] = src_pxl;
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}
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@ -154,7 +164,33 @@ void rotate_letter(uint8_t idx, int16_t rot, int16_t out_x, int16_t out_y, uint1
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}
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}
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int16_t rot = 0;
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void text_print_circular(const char *str, uint8_t text_size, int16_t spacing, uint16_t fcolor, uint16_t bcolor, int16_t rot)
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{
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uint8_t i;
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int16_t x_width;
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int16_t x, y;
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int16_t out_x, out_y;
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if (text_size > TEXT_MAX_SIZE) text_size = TEXT_MAX_SIZE;
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drot->setTextSize(text_size);
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for (i = 0; i < strlen(name); i++) {
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x = cos1(rot);
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x = (x >> 9) + (x >> 11) + (x >> 12);
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y = sin1(rot);
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y = (y >> 9) + (y >> 11) + (y >> 12);
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x_width = render_drot_printchar(str, i, text_size, fcolor); // render character
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render_drot_border(x_width, fcolor, bcolor); // add border to character
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render_drot_rotate(x_width, rot + 0x6000, x, y);
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rot -= spacing;
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}
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}
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int16_t trot = 0;
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int16_t brot = 0;
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#define HUE_MIN 0x2000-300
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#define HUE_MAX 0x2000+300
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@ -167,120 +203,146 @@ uint8_t satdir = 0;
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void bg_huesatcycle()
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{
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dout->fillScreen(BLACK);
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dout->fillScreen(BLACK);
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// hue between limits
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if (!huedir) huecycle += HUE_STEP; else huecycle -= HUE_STEP;
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if (huecycle > HUE_MAX) {
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huedir = 1; huecycle = HUE_MAX;
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}
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if (huecycle < HUE_MIN) {
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huedir = 0; huecycle = HUE_MIN;
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}
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// hue between limits
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if (!huedir) huecycle += HUE_STEP; else huecycle -= HUE_STEP;
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if (huecycle > HUE_MAX) {
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huedir = 1; huecycle = HUE_MAX;
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}
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if (huecycle < HUE_MIN) {
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huedir = 0; huecycle = HUE_MIN;
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}
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// saturation
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if (!satdir) satcycle++; else satcycle--;
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if (satcycle > 240) {
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satdir = 1;
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satcycle = 240;
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}
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if (satcycle < 20) {
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satdir = 0;
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satcycle = 60;
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}
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// saturation
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if (!satdir) satcycle++; else satcycle--;
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if (satcycle > 240) {
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satdir = 1;
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satcycle = 240;
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}
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if (satcycle < 20) {
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satdir = 0;
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satcycle = 60;
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}
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hsv.h = huecycle >> 3;
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hsv.s = satcycle;
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hsv.h = huecycle >> 3;
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hsv.s = satcycle;
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// draw some circles
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for (int8_t i = 120; i > 0; i--) {
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hsv.h += 2;
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hsv.h %= 1536;
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hsv2rgb_8b(hsv.h, hsv.s, (i * 2), &rgb.r, &rgb.g, &rgb.b);
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// draw some circles
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for (int8_t i = 120; i > 0; i--) {
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hsv.h += 2;
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hsv.h %= 1536;
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hsv2rgb_8b(hsv.h, hsv.s, (i * 2), &rgb.r, &rgb.g, &rgb.b);
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dout->drawCircle(120, 120, i, dout->color565(rgb.r, rgb.g, rgb.b));
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}
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dout->drawCircle(120, 120, i, dout->color565(rgb.r, rgb.g, rgb.b));
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}
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}
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void bg_rainbow_circles(uint8_t saturation)
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{
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uint16_t hue;
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uint16_t hue;
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// speed
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hsv.h += 24;
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// speed
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hsv.h += 24;
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// background fill ("X" pattern)
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// hue = hsv.h + 512;
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// hsv.h %= 1536;
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// hsv2rgb_8b(hue, 255, 128, &rgb.r, &rgb.g, &rgb.b);
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// dout->fillScreen(dout->color565(rgb.r, rgb.g, rgb.b));
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dout->fillScreen(BLACK);
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// background fill ("X" pattern)
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// hue = hsv.h + 512;
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// hsv.h %= 1536;
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// hsv2rgb_8b(hue, 255, 128, &rgb.r, &rgb.g, &rgb.b);
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// dout->fillScreen(dout->color565(rgb.r, rgb.g, rgb.b));
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dout->fillScreen(BLACK);
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// draw some circles
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hue = hsv.h;
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for (int8_t i = 120; i > 0; i--) {
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hue += 2;
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hue %= 1536;
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// "flat" mode, same brightness
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hsv2rgb_8b(hue, saturation, 192, &rgb.r, &rgb.g, &rgb.b);
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// "tunnel" mode, darker center
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// hsv2rgb_8b(hue, saturation, (i * 2), &rgb.r, &rgb.g, &rgb.b);
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// draw some circles
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hue = hsv.h;
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for (int8_t i = 120; i > 0; i--) {
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hue += 2;
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hue %= 1536;
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// "flat" mode, same brightness
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hsv2rgb_8b(hue, saturation, 192, &rgb.r, &rgb.g, &rgb.b);
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// "tunnel" mode, darker center
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// hsv2rgb_8b(hue, saturation, (i * 2), &rgb.r, &rgb.g, &rgb.b);
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dout->drawCircle(120, 120, i, dout->color565(rgb.r, rgb.g, rgb.b));
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}
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dout->drawCircle(120, 120, i, dout->color565(rgb.r, rgb.g, rgb.b));
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}
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}
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void bg_radarsweep(int16_t rot, int16_t offset, uint8_t lines)
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{
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color_rgb rgb;
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uint16_t w;
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int16_t x, y;
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if (lines == 0xff) lines--;
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dout->fillScreen(BLACK);
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for (uint8_t i = 0; i < lines; i++) {
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// linear fade
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w = 256 * lines;
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w -= (256 * i);
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w /= lines;
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w &= 0xff;
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// todo: exponential fade or something
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// get rotational point
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x = cos1(rot);
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x = (x >> 8);
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y = sin1(rot);
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y = (y >> 8);
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hsv2rgb_8b((1536/3), 200, (i > 4) ? (w >> 1) : w, &rgb.r, &rgb.g, &rgb.b);
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dout->drawLine(x + 120, y + 120, 128, 128, dout->color565(rgb.r, rgb.g, rgb.b));
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rot -= offset;
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}
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}
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void texthue_180degree()
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{
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uint16_t hue;
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uint16_t hue;
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hue = hsv.h + 768;
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hue %= 1536;
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hsv2rgb_8b(hue, 224, 64, &rgb.r, &rgb.g, &rgb.b);
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hue = hsv.h + 768;
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hue %= 1536;
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hsv2rgb_8b(hue, 224, 64, &rgb.r, &rgb.g, &rgb.b);
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}
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void texthue_huesatcycle_circles()
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{
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uint16_t hue;
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hue = (huecycle - 0x2000);
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if (hue > (1536 << 3)) hue += (1536 << 3);
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hsv2rgb_8b(hue >> 3, 224, 64, &rgb.r, &rgb.g, &rgb.b);
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uint16_t hue;
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hue = (huecycle - 0x2000);
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if (hue > (1536 << 3)) hue += (1536 << 3);
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hsv2rgb_8b(hue >> 3, 224, 64, &rgb.r, &rgb.g, &rgb.b);
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}
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void loop()
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{
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uint16_t hue;
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uint16_t hue;
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color_rgb fc, bc;
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// rainbow circles program
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bg_rainbow_circles(200);
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// texthue_180degree();
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rgb.r = rgb.g = rgb.b = 0;
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// rainbow circles program
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// bg_rainbow_circles(200);
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// texthue_180degree();
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brot += 400;
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bg_radarsweep(brot, 25, 200);
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|
||||
// small hue shift with larger saturation shifts circles
|
||||
// bg_huesatcycle_circles();
|
||||
// texthue_huesatcycle();
|
||||
// small hue shift with larger saturation shifts circles
|
||||
// bg_huesatcycle_circles();
|
||||
// texthue_huesatcycle();
|
||||
|
||||
// text rotation
|
||||
rot += 420 - 69;
|
||||
// text rotation - black text, default border
|
||||
trot += 420 - 69;
|
||||
fc.r = fc.g = fc.b = 240;
|
||||
bc.r = bc.g = bc.b = 32;
|
||||
text_print_circular(name, TEXT_MAX_SIZE, LETTER_SPACING,
|
||||
dout->color565(fc.r, fc.g, fc.b),
|
||||
dout->color565(bc.r, bc.g, bc.b),
|
||||
trot);
|
||||
|
||||
int16_t x, y;
|
||||
int16_t d;
|
||||
d = rot;
|
||||
for (uint8_t i = 0; i < strlen(name); i++) {
|
||||
x = cos1(d);
|
||||
x = (x >> 9) + (x >> 11) + (x >> 12);
|
||||
|
||||
y = sin1(d); // sin1(d) * 21) / 32;
|
||||
y = (y >> 9) + (y >> 11) + (y >> 12);
|
||||
|
||||
rotate_letter(i, d + 0x6000, x, y, dout->color565(rgb.r, rgb.g, rgb.b));
|
||||
// d -= 9; // for 7-bit version
|
||||
d -= LETTER_SPACING; // for 15-bit version
|
||||
}
|
||||
|
||||
dout->flush();
|
||||
dout->flush();
|
||||
}
|
||||
24
src/sin1.c
24
src/sin1.c
|
|
@ -22,7 +22,7 @@
|
|||
* "5 bit" large table = 32 values. The mask: all bit belonging to the table
|
||||
* are 1, the all above 0.
|
||||
*/
|
||||
#define TABLE_BITS (5)
|
||||
#define TABLE_BITS (7)
|
||||
#define TABLE_SIZE (1<<TABLE_BITS)
|
||||
#define TABLE_MASK (TABLE_SIZE-1)
|
||||
|
||||
|
|
@ -43,13 +43,25 @@
|
|||
* at 0deg, 11.25deg, 22.5deg etc. The values are from -1 to 1 in Q15.
|
||||
*/
|
||||
static int16_t sin90[TABLE_SIZE+1] = {
|
||||
0x0000,0x0647,0x0c8b,0x12c7,0x18f8,0x1f19,0x2527,0x2b1e,
|
||||
0x30fb,0x36b9,0x3c56,0x41cd,0x471c,0x4c3f,0x5133,0x55f4,
|
||||
0x5a81,0x5ed6,0x62f1,0x66ce,0x6a6c,0x6dc9,0x70e1,0x73b5,
|
||||
0x7640,0x7883,0x7a7c,0x7c29,0x7d89,0x7e9c,0x7f61,0x7fd7,
|
||||
0x0000,0x0192,0x0324,0x04b6,0x0647,0x07d9,0x096a,0x0afb,
|
||||
0x0c8b,0x0e1b,0x0fab,0x1139,0x12c7,0x1455,0x15e1,0x176d,
|
||||
0x18f8,0x1a82,0x1c0b,0x1d93,0x1f19,0x209f,0x2223,0x23a6,
|
||||
0x2527,0x26a7,0x2826,0x29a3,0x2b1e,0x2c98,0x2e10,0x2f86,
|
||||
0x30fb,0x326d,0x33de,0x354d,0x36b9,0x3824,0x398c,0x3af2,
|
||||
0x3c56,0x3db7,0x3f16,0x4073,0x41cd,0x4325,0x447a,0x45cc,
|
||||
0x471c,0x4869,0x49b3,0x4afa,0x4c3f,0x4d80,0x4ebf,0x4ffa,
|
||||
0x5133,0x5268,0x539a,0x54c9,0x55f4,0x571d,0x5842,0x5963,
|
||||
0x5a81,0x5b9c,0x5cb3,0x5dc6,0x5ed6,0x5fe2,0x60eb,0x61f0,
|
||||
0x62f1,0x63ee,0x64e7,0x65dd,0x66ce,0x67bc,0x68a5,0x698b,
|
||||
0x6a6c,0x6b4a,0x6c23,0x6cf8,0x6dc9,0x6e95,0x6f5e,0x7022,
|
||||
0x70e1,0x719d,0x7254,0x7306,0x73b5,0x745e,0x7503,0x75a4,
|
||||
0x7640,0x76d8,0x776b,0x77f9,0x7883,0x7908,0x7989,0x7a04,
|
||||
0x7a7c,0x7aee,0x7b5c,0x7bc4,0x7c29,0x7c88,0x7ce2,0x7d38,
|
||||
0x7d89,0x7dd5,0x7e1c,0x7e5e,0x7e9c,0x7ed4,0x7f08,0x7f37,
|
||||
0x7f61,0x7f86,0x7fa6,0x7fc1,0x7fd7,0x7fe8,0x7ff5,0x7ffc,
|
||||
0x7fff
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Sine calculation using interpolated table lookup.
|
||||
* Instead of radiants or degrees we use "turns" here. Means this
|
||||
|
|
|
|||
Loading…
Reference in New Issue