338 lines
9.4 KiB
C++
338 lines
9.4 KiB
C++
#include "char_lcd.h"
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#include "./i2c_lcd_pcf8574.h"
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#include <esp_log.h>
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#include "state_tracking.h"
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#include <cstring>
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#include "power.h"
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#include "starcode.h"
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#include "game_info.h"
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i2c_lcd_pcf8574_handle_t lcd;
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SemaphoreHandle_t lcd_mutex;
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static volatile bool cursor_visible = false;
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static volatile uint8_t cursor_resting_row = 0;
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static volatile uint8_t cursor_resting_col = 0;
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static volatile bool header_enabled = false;
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static const char *TAG = "char_lcd";
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static const char* EMPTY_ROW = " ";
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static char buf[65];
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// TODO: move this to power.cpp
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static void monitor_battery_task(void* _arg) {
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(void) _arg;
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while (true) {
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vTaskDelay(pdMS_TO_TICKS(1'000));
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lcd_print_header_bat();
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}
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}
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static bool replay_handler(const char* event, char* arg) {
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if (strcmp(event, "LCD_CLEAR") == 0) {
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lcd_clear();
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}
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else if (strcmp(event, "LCD_SET_DISPLAY") == 0) {
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lcd_set_display(strcmp(arg, "true") == 0);
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}
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else if (strcmp(event, "LCD_CURSOR_VIS") == 0) {
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lcd_set_cursor_vis(strcmp(arg, "true") == 0);
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}
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else if (strcmp(event, "LCD_CURSOR_BLINK") == 0) {
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lcd_set_cursor_blink(strcmp(arg, "true") == 0);
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}
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else if (strcmp(event, "LCD_SCROLL_DISPLAY_LEFT") == 0) {
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lcd_scroll_display_left();
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}
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else if (strcmp(event, "LCD_SCROLL_DISPLAY_RIGHT") == 0) {
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lcd_scroll_display_right();
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}
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else if (strcmp(event, "LCD_LEFT_TO_RIGHT") == 0) {
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lcd_left_to_right();
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}
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else if (strcmp(event, "LCD_RIGHT_TO_LEFT") == 0) {
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lcd_right_to_left();
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}
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else if (strcmp(event, "LCD_AUTOSCROLL") == 0) {
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lcd_set_autoscroll(strcmp(arg, "true") == 0);
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}
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else if (strcmp(event, "LCD_BACKLIGHT") == 0) {
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lcd_set_backlight(strcmp(arg, "true") == 0);
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}
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else if (strcmp(event, "LCD_CREATE_CHAR") == 0) {
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char* location_str = strtok(arg, ",");
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uint8_t location = atoi(location_str);
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uint8_t charmap[8];
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for (int i = 0; i < 8; i++) {
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char* str = strtok(NULL, ",");
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charmap[i] = atoi(str);
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}
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lcd_create_char(location, charmap);
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}
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else if (strcmp(event, "LCD_PRINT") == 0) {
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char* str = strtok(arg, ",");
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uint8_t row = atoi(str);
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str = strtok(NULL, ",");
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uint8_t col = atoi(str);
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// get remaining part of string.
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str = strtok(NULL, "");
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// TODO: handle \r and \n
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lcd_print(row, col, str);
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} else {
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return false;
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}
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return true;
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}
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void init_lcd() {
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ESP_LOGI(TAG, "Initializing LCD...");
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lcd_mutex = xSemaphoreCreateMutex();
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assert(lcd_mutex != NULL);
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lcd_init(&lcd, LCD_ADDR, CHAR_LCD_I2C_NUM);
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lcd_begin(&lcd, LCD_COLS, LCD_ROWS);
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lcd_set_backlight_to(&lcd, 1);
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register_replay_fn(replay_handler);
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xTaskCreate(monitor_battery_task, "bat_monitor", 1024*2, nullptr, 0, nullptr);
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ESP_LOGI(TAG, "LCD initialized!");
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}
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void lcd_clear(bool no_lock) {
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if (!header_enabled) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_clear(&lcd);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_CLEAR", NULL);
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}
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} else {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_print(1, 0, EMPTY_ROW, true);
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lcd_print(2, 0, EMPTY_ROW, true);
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lcd_print(3, 0, EMPTY_ROW, true);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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}
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}
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void lcd_set_display(bool display, bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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if (display) {
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lcd_display(&lcd);
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} else {
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lcd_no_display(&lcd);
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}
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_SET_DISPLAY", display ? "true" : "false");
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}
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}
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void lcd_set_cursor_vis(bool cursor, bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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if (cursor) {
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lcd_cursor(&lcd);
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} else {
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lcd_no_cursor(&lcd);
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}
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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cursor_visible = cursor;
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if (is_state_tracking()) {
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event_occured("LCD_CURSOR_VIS", cursor ? "true" : "false");
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}
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}
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void lcd_set_cursor_blink(bool blink, bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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if (blink) {
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lcd_blink(&lcd);
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} else {
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lcd_no_blink(&lcd);
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}
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_CURSOR_BLINK", blink ? "true" : "false");
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}
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}
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void lcd_scroll_display_left(bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_scroll_display_left(&lcd);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_SCROLL_DISPLAY_LEFT", NULL);
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}
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}
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void lcd_scroll_display_right(bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_scroll_display_right(&lcd);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_SCROLL_DISPLAY_RIGHT", NULL);
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}
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}
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void lcd_left_to_right(bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_left_to_right(&lcd);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_LEFT_TO_RIGHT", NULL);
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}
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}
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void lcd_right_to_left(bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_right_to_left(&lcd);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_RIGHT_TO_LEFT", NULL);
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}
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}
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void lcd_set_autoscroll(bool autoscroll, bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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if (autoscroll) {
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lcd_autoscroll(&lcd);
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} else {
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lcd_no_autoscroll(&lcd);
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}
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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event_occured("LCD_AUTOSCROLL", autoscroll ? "true" : "false");
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}
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}
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void lcd_set_backlight(bool backlight, bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_set_backlight_to(&lcd, backlight);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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sprintf(buf, "%d", backlight);
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event_occured("LCD_BACKLIGHT", backlight ? "true" : "false");
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}
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}
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void lcd_create_char(uint8_t location, const uint8_t charmap[], bool no_lock) {
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if (location == 8) location = 0;
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_create_char(&lcd, location, charmap);
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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snprintf(buf, sizeof(buf),
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"%d,%d,%d,%d,%d,%d,%d,%d,%d", location,
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charmap[0], charmap[1], charmap[2], charmap[3], charmap[4], charmap[5], charmap[6], charmap[7]
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);
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event_occured("LCD_CREATE_CHAR", buf);
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}
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}
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void lcd_print(uint8_t row, uint8_t col, const char* str, bool no_lock) {
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if (!no_lock) xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_set_cursor(&lcd, col, row);
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lcd_print(&lcd, str);
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if (cursor_visible) {
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lcd_set_cursor(&lcd, cursor_resting_col, cursor_resting_row);
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}
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if (!no_lock) xSemaphoreGive(lcd_mutex);
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if (is_state_tracking()) {
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// TODO: handle \r and \n and others
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snprintf(buf, sizeof(buf), "%d,%d,%s", row, col, str);
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event_occured("LCD_PRINT", buf);
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}
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}
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void set_lcd_header_enabled(bool enable) {
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bool old_header_enabled = header_enabled;
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header_enabled = enable;
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// update header in response to enabling/disabling the header
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if (enable && !old_header_enabled) {
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lcd_print_header();
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} else if (!enable && old_header_enabled) {
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lcd_print(0, 0, EMPTY_ROW);
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}
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}
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bool lcd_header_enabled() {
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return header_enabled;
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}
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void lcd_print_header() {
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lcd_print_header_star_code();
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lcd_print_header_step();
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lcd_print_header_bat();
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}
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void lcd_do_splash() {
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const uint8_t custom_char[6][8] = {
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{ 0x01, 0x01, 0x02, 0x02, 0x07, 0x07, 0x0F, 0x0D },
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{ 0x10, 0x10, 0x18, 0x18, 0x1C, 0x0C, 0x0E, 0x06 },
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{ 0x00, 0x00, 0x01, 0x01, 0x03, 0x03, 0x07, 0x07 },
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{ 0x19, 0x1B, 0x13, 0x17, 0x07, 0x0F, 0x0F, 0x1F },
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{ 0x13, 0x1B, 0x1F, 0x1F, 0x00, 0x1F, 0x1F, 0x1F },
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{ 0x00, 0x00, 0x10, 0x10, 0x00, 0x18, 0x1C, 0x1C },
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};
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// TODO: make the lcd_lib somehow support the custom character 0 which would otherwise be a null terminator
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xSemaphoreTake(lcd_mutex, portMAX_DELAY);
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lcd_create_char(1, custom_char[0], true);
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lcd_create_char(2, custom_char[1], true);
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lcd_create_char(3, custom_char[2], true);
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lcd_create_char(4, custom_char[3], true);
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lcd_create_char(5, custom_char[4], true);
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lcd_create_char(6, custom_char[5], true);
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lcd_print(1, 6, "\x01\x02Marino", true);
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lcd_print(2, 5, "\x03\x04\x05\x06""DEV", true);
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xSemaphoreGive(lcd_mutex);
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}
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bool lcd_lock(uint32_t ticks_to_wait) {
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return xSemaphoreTake(lcd_mutex, ticks_to_wait);
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}
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void lcd_unlock() {
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xSemaphoreGive(lcd_mutex);
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}
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void lcd_set_cursor_resting_position(uint8_t row, uint8_t col) {
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cursor_resting_row = row;
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cursor_resting_col = col;
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}
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void lcd_get_cursor_resting_position(uint8_t* row, uint8_t* col) {
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if (row) *row = cursor_resting_row;
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if (col) *col = cursor_resting_col;
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}
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bool lcd_is_cursor_visible() {
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return cursor_visible;
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} |