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- /*
- * Copyright (C) 2023 Daniele Lacamera <root@danielinux.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <stdint.h>
- #include <string.h>
- #include <stdlib.h>
- #include <string.h>
- #include "stm32f7_ltdc.h"
- #include "ui.h"
- #include "systick.h"
- #include "button.h"
- static uint8_t menu_on = 0;
- uint8_t ui_menu_is_on(void)
- {
- return menu_on;
- }
- void ui_menu(uint8_t onoff)
- {
- menu_on = onoff;
- }
- #define BUTTON_RIGHT 1
- #define BUTTON_LEFT 2
- #define BUTTON_UP 0
- #define BUTTON_DOWN 3
- #define BUTTON_IN 7
- #define BUTTON_OUT 6
- #define BUTTON_FIRE 5
- #define NO_CHANNEL (-1)
- enum control_mode_e {
- CTL_RUN,
- CTL_STOP,
- CTL_PAUSE,
- CTL_TRIGGER,
- CTL_MAX
- };
- int res[] = {
- 1000000 , 500000 , 200000 , 100000 , 50000 , 20000 , 10000 , 5000 , 2000 , 1000 , 500 , 200 , 100 , 50 , 20 , 0
- };
- #define FONT_HEIGHT 8
- #define FONT_WIDTH 8
- extern const unsigned char fb_font[256][FONT_WIDTH];
- uint8_t *ui_get_screen(int layer)
- {
- if (layer == 0)
- return (uint8_t *)Screen_address;
- else
- return (uint8_t *)Overlay_address;
- }
- void ui_draw_h_segment(int layer, uint8_t color, uint32_t row, uint32_t start, uint32_t len)
- {
- uint32_t i;
- uint32_t pos = row * xres + start;
- uint8_t *screen = ui_get_screen(layer);
- for (i = 0; i < len; i++) {
- screen[pos + i] = color;
- }
- }
- void ui_draw_v_segment(int layer, uint8_t color, uint32_t col, uint32_t start, uint32_t len)
- {
- uint32_t i;
- uint32_t pos = start * xres + col;
- uint8_t *screen = ui_get_screen(layer);
- for (i = 0; i < len; i++) {
- screen[pos + i * xres] = color;
- }
- }
- void ui_fill_area(int layer, uint8_t color, uint32_t x, uint32_t y, uint32_t x1, uint32_t y1)
- {
- int i;
- for (i = y; i < y1; i++) {
- ui_draw_h_segment(layer, color, i, x, x1 - x);
- }
- }
- void ui_text_at(int layer, uint8_t color, uint32_t x, uint32_t y, char *text)
- {
- uint32_t i, j;
- char fc;
- const uint8_t *render;
- uint32_t pos = y * xres + x;
- uint8_t *screen = ui_get_screen(layer);
- while(text[0]) {
- uint32_t cur = pos;
- fc = text[0];
- render = fb_font[(int)fc];
- for (i = 0; i < FONT_HEIGHT; i++) {
- for (j = 0; j < FONT_WIDTH; j++) {
- int right_shift = (FONT_HEIGHT - 1) - j;
- cur = pos + i * xres + j;
- if (render[i] & (1 << (7 - j))) {
- screen[cur] = color;
- }
- }
- }
- pos += FONT_WIDTH;
- text++;
- }
- }
- void ui_selected_text_at(int layer, uint8_t color, uint8_t highlight, uint32_t x, uint32_t y, char *text)
- {
- ui_fill_area(layer, highlight, x, y, x + (FONT_WIDTH * strlen(text)), y + FONT_HEIGHT);
- ui_text_at(layer, color, x, y, text);
- }
- void image_at(int layer, const uint8_t *img, uint32_t x, uint32_t y, uint32_t size_x, uint32_t size_y)
- {
- uint32_t i, j;
- uint32_t pos = y * xres + x;
- uint8_t *screen = ui_get_screen(layer);
- for (i = 0; i < size_y; i++) {
- for (j = 0; j < size_x; j++) {
- screen[pos + i * xres + j] = img[i * size_x + j];
- }
- }
- }
- /**** ****/
- static char _ui_printn_res[20];
- char *ui_printn(uint32_t n)
- {
- int i = 0;
- uint32_t div = 1000000000;
- int started = 0;
- while (div >= 10) {
- if ((n >= div) || started) {
- _ui_printn_res[i++] = '0' + n / div;
- n = n % div;
- started++;
- }
- div /= 10;
- }
- _ui_printn_res[i++] = '0' + n;
- _ui_printn_res[i] = '\0';
- return (char *)(&_ui_printn_res[0]);
- }
- char *ui_printn2(uint32_t n)
- {
- _ui_printn_res[0] = '`';
- _ui_printn_res[1] = '0' + (n % 10);
- if (n > 9)
- _ui_printn_res[0] = '0' + (n / 10);
- _ui_printn_res[2] = 0;
- return _ui_printn_res;
- }
- char *ui_printhex(uint8_t n)
- {
- uint8_t a = (n & 0xF0) >> 4;
- uint8_t b = (n & 0x0F);
- if (a < 10)
- _ui_printn_res[0] = a + '0';
- else
- _ui_printn_res[0] = (a - 0xa) + 'A';
- if (b < 10)
- _ui_printn_res[1] = b + '0';
- else
- _ui_printn_res[1] = (b - 0xa) + 'A';
- _ui_printn_res[2] = '\0';
- return _ui_printn_res;
- }
- char *ui_printhex1(uint8_t n)
- {
- uint8_t a = (n & 0x0F);
- if (a < 10)
- _ui_printn_res[0] = a + '0';
- else
- _ui_printn_res[0] = (a - 0xa) + 'A';
- _ui_printn_res[1] = '\0';
- return _ui_printn_res;
- }
- static void ui_switch_screen(int newscreen);
- static void force_redraw(void)
- {
- struct screen *s = screen_get_focus();
- if (s && s->draw)
- s->draw();
- }
- int ui_process_button_pressed(void)
- {
- int i;
- for (i = 0; i < N_BUTTONS; i++) {
- if (Input_status.b[i].pressed == 1) {
- Input_status.b[i].pressed = 0;
- return i;
- }
- }
- return -1;
- }
- void ui_draw_blocks(void)
- {
- ui_fill_area(0, BLACK, 420, 90, 440, 120);
- ui_fill_area(0, DARKRED, 420, 100, 440, 110);
- }
- struct point {
- int x, y;
- };
- const struct point pot[] = {
- {-9, 17}, {-10, 17}, {-11, 16}, {-12, 16}, {-13, 15}, {-14, 14}, {-15, 13}, {-16, 12}, {-17, 10}, {-18, 8}, {-19, 6}, {-20, 0},
- {-19, -6}, {-18, -8}, {-16, -12}, {-15, -13}, {-14, -14}, {-13, -15}, {-12, -16}, {-11, -16}, {-10, -17}, {-9, -17}, {-8, -18}, {-7, -18}, {-6, -19}, {-5, -19}, {-4, -19}, {-3, -19}, {-2, -19}, {-1, -19}, {0, -20},
- {1, -19}, {2, -19}, {3, -19}, {4, -19}, {5, -19}, {6, -19}, {7, -18}, {8, -18}, {9, -17}, {10, -17}, {11, -16}, {12, -16}, {13, -15}, {14, -14}, {15, -13}, {16, -12}, {17, -10}, {18, -8}, {19, -6}, {20, 0},
- {19, 6}, {18, 8}, {17, 10}, {16, 12}, {15, 13}, {14, 14}, {13, 15}, {12, 16}, {11, 16}, {10, 17}, {9, 17},
- };
- static void ui_run(uint16_t event)
- {
- if (event & EV_BUTTON) {
- int button = ui_process_button_pressed();
- switch(button) {
- case 7:
- if (menu_on) {
- menu_on = 0;
- force_redraw();
- } else {
- menu_on = 1;
- ui_redraw(EV_NONE);
- }
- break;
- }
- clear_event(EV_BUTTON);
- }
- }
- static struct screen *ui_get_screen_by_id(int id)
- {
- struct screen *s = screens();
- while(s) {
- if (id == s->id) {
- return s;
- }
- s = s->next;
- }
- return NULL;
- }
- void ui_switch_screen(int newscreen)
- {
- struct screen *s = ui_get_screen_by_id(newscreen);
- if (s)
- screen_set_focus(s);
- }
- void ui_menu_redraw(uint16_t event)
- {
- static int selected;
- int button;
- int i;
- int n;
- n = screen_n_screens();
- if (event & EV_BUTTON) {
- button = ui_process_button_pressed();
- switch(button) {
- case 1:
- selected--;
- if (selected < 0)
- selected = n - 1;
- ui_redraw(EV_NONE);
- break;
- case 3:
- selected++;
- if (selected > n - 1)
- selected = 0;
- ui_redraw(EV_NONE);
- break;
- case 7:
- menu_on = 0;
- force_redraw();
- break;
- default:
- menu_on = 0;
- ui_switch_screen(selected);
- }
- return;
- }
- ui_fill_area(0, BLACK, 400, 200, 480, 240);
- for (i = 0; i < n; i++) {
- if (i == selected) {
- ui_fill_area(0, WHITE, 400, 200 + i * 10, 480, 210 + i * 10);
- ui_text_at(0, PURPLE, 400, 200 + i*10, ui_get_screen_by_id(i)->name);
- } else {
- ui_text_at(0, WHITE, 400, 200 + i*10, ui_get_screen_by_id(i)->name);
- }
- }
- }
- void ui_redraw(uint16_t event)
- {
- struct screen *sc;
- if (menu_on) {
- ui_menu_redraw(event);
- } else {
- sc = screen_get_focus();
- if (sc && sc->draw)
- sc->draw();
- }
- }
- void ui_init(void)
- {
- int i;
- force_redraw();
- }
- struct task task_ui = {
- .init = ui_init,
- .run = ui_run,
- .events = EV_BUTTON,
- .name = "ui"
- };
- void ui_setup(void)
- {
- register_task(&task_ui);
- }
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