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#ifndef __API_H__
#define __API_H__
#include <iostream>
#include "pico/util/datetime.h"
#include "oled/ss_oled.h"
#include "buttons.hpp"
class Api {
private:
SSOLED m_oled;
u_char m_init_done = 0;
uint8_t m_ucBuffer[1024] = {0};
uint m_button_last_pressed = 0;
int m_app_render_interval = 500;
void init_display();
public:
bool m_send_button_press_to_app = true;
enum perf_modes {
LOW_POWER,
NORMAL_PERF,
HIGH_PERF
};
void init();
int display_write_string(int iScrollX, int x, int y, char *szMsg, int iSize, int bInvert, int bRender);
void display_fill(unsigned char ucData, int bRender);
void display_draw_line(int x1, int y1, int x2, int y2, int bRender);
void display_draw_rectange(int x1, int y1, int x2, int y2, uint8_t ucColor, uint8_t bFilled);
void display_draw_ellipse(int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor, uint8_t bFilled);
void display_write_buffer(uint8_t *pBuffer);
int display_write_pixel(int x, int y, unsigned char ucColor, int bRender);
// Display a popup over the current view and wait for select button to be pressed.
// This is a blocking function and should be used only in the app's render method.
// \param title Popup's title, length should not exceed 13 characters.
// \param body String containing the popup's body. The zone has a size of 13×6 characters, so body should not be longer than 78 characters. Newline allows going to the next line and the text is automatically wrapped.
// \note Strings longer than 13 and 78 respectively will be truncated.
bool gui_popup_text(std::string title, std::string body);
// Display text at the bottom of the screen.
// The font size is automatically choosen based on the text lenght.
// \param text Text to display. Text longer than 21 will be truncated.
// \param offset_x Set a horizental offset, to allow, for example, centering the text
// \param offset_row Allow rendering the text higher. For example, one line higher when `offset_row = 1`.
// \param invert allow inverting text and background color.
bool gui_footer_text(std::string text, int offset_x = 0, int offset_row = 0, int invert = 0);
// Display text at the top of the screen.
// The font size is automatically choosen based on the text lenght.
// \param text Text to display. Text longer than 21 will be truncated.
// \param offset_x Set a horizental offset, to allow, for example, centering the text
// \param offset_row Render text lines lower. For example, one text line lower with `offset_row = 1`.
// \param invert Invert text and background color.
bool gui_header_text(std::string text, int offset_x = 0, int offset_row = 0, int invert = 0);
// Set performance mode.
// FIXME: function currently does nothing!
// An app should choose the lowest performance that can make it function. Set in init(). Only when required, higher performance should be used.
// \param perf See Api::perf_modes enum for possible values
bool performance_set(int perf);
bool datetime_get(datetime_t *t);
// Get app's current render interval
// \return Value in millisec
int performance_render_interval_get();
// Same spirit as performance_set, the app should use the smallest value possible that does not cause a lack of responsiveness in the app's UI.
// \param interval Time to wait in millisec between calls of the app's render function.
void performance_render_interval_set(int interval);
// Get last button pressed, see buttons.hpp for values
// \return Last button pressed
uint button_last_get();
// Set last button pressed, should only be called by button gpio interrupt.
void button_last_set(uint gpio);
};
#endif
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