1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
#include <stdio.h>
#include "pico/stdlib.h"
extern "C" {
#include "hardware/rtc.h"
}
#include "api.hpp"
#include "init.hpp"
void Api::init() {
if (!m_init_done) {
init_display();
m_init_done = 1;
}
}
void Api::init_display() {
oledInit(&m_oled, OLED_128x64, 0x3d, 0, 0, 1, SDA_PIN, SCL_PIN, RESET_PIN, 1000000L);
oledFill(&m_oled, 0,1);
oledSetContrast(&m_oled, OLED_DEFAULT_CONTRAST);
oledSetBackBuffer(&m_oled, m_ucBuffer); // Seems to be required to draw lines, rectangles…
//oledSetTextWrap(&oled, true);
}
int Api::display_write_string(int iScrollX, int x, int y, char *szMsg, int iSize, int bInvert, int bRender) {
return oledWriteString(&m_oled, iScrollX, x, y, szMsg, iSize, bInvert, bRender);
}
void Api::display_fill(unsigned char ucData, int bRender) {
oledFill(&m_oled, ucData, bRender);
}
void Api::display_draw_line(int x1, int y1, int x2, int y2, int bRender) {
oledDrawLine(&m_oled, x1, y1, x2, y2, bRender);
}
void Api::display_draw_rectange(int x1, int y1, int x2, int y2, uint8_t ucColor, uint8_t bFilled) {
oledRectangle(&m_oled, x1, y1, x2, y2, ucColor, bFilled);
oledDumpBuffer(&m_oled, m_ucBuffer); // Write the back buffer, after experimentation, seems to be required when drawing this shape
}
void Api::display_draw_ellipse(int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor, uint8_t bFilled) {
oledEllipse(&m_oled, iCenterX, iCenterY, iRadiusX, iRadiusY, ucColor, bFilled);
oledDumpBuffer(&m_oled, m_ucBuffer);
}
void Api::display_write_buffer(uint8_t *pBuffer) {
oledDumpBuffer(&m_oled, pBuffer);
}
int Api::display_write_pixel(int x, int y, unsigned char ucColor, int bRender) {
return oledSetPixel(&m_oled, x, y, ucColor, bRender);
}
bool Api::gui_popup_text(std::string title, std::string body){
#define CHARS_PER_LINE 13
m_button_last_pressed = 0;
m_send_button_press_to_app = false;
oledRectangle(&m_oled, 9,7, 119,63, 0, 1); // Background
oledRectangle(&m_oled, 9,7, 119,63, 1, 0); // Popup border
oledRectangle(&m_oled, 9,7, 119,16, 1, 1); // Title background
oledDumpBuffer(&m_oled, m_ucBuffer); // Display rectangle
// Truncate longer strings to avoid wasting time in for loop and drawing on OLED
if (title.size() > 13)
title.resize(13);
if (body.size() > 78)
body.resize(78);
// Make body fit by adding '\n' at a regular interval
int since_nl = 0; // Characters since newline
for (std::string::size_type i = 0; i < body.size(); ++i) {
if (body[i] == '\n')
since_nl = 0;
else if (since_nl++ == CHARS_PER_LINE) {
body.insert(i, 1, '\n');
since_nl = 0; // Probably unneeded
}
}
// See https://stackoverflow.com/questions/1986966/does-s0-point-to-contiguous-characters-in-a-stdstring
oledWriteString(&m_oled, 0, 15,1, &title[0], FONT_8x8, 1, 1); // Draw title
oledWriteString(&m_oled, 0, 13,2, &body[0], FONT_8x8, 0, 1); // Draw body
while (m_button_last_pressed != BUTTON_SELECT)
sleep_ms(50);
// Give back control to running app
oledFill(&m_oled, 0, 1);
m_send_button_press_to_app = true;
}
bool Api::datetime_get(datetime_t *t) {
return rtc_get_datetime(t);
}
uint Api::button_last_get() {
return m_button_last_pressed;
}
void Api::button_last_set(uint gpio) {
m_button_last_pressed = gpio;
}
|
