mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-30 14:43:08 +00:00
114 lines
4.3 KiB
C
114 lines
4.3 KiB
C
/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
|
|
* See the LICENSE file for information about the license. */
|
|
|
|
#include "app.h"
|
|
|
|
/* Render the received signal.
|
|
*
|
|
* The screen of the flipper is 128 x 64. Even using 4 pixels per line
|
|
* (where low level signal is one pixel high, high level is 4 pixels
|
|
* high) and 4 pixels of spacing between the different lines, we can
|
|
* plot comfortably 8 lines.
|
|
*
|
|
* The 'idx' argument is the first sample to render in the circular
|
|
* buffer. */
|
|
void render_signal(ProtoViewApp* app, Canvas* const canvas, RawSamplesBuffer* buf, uint32_t idx) {
|
|
canvas_set_color(canvas, ColorBlack);
|
|
|
|
int rows = 8;
|
|
uint32_t time_per_pixel = app->us_scale;
|
|
uint32_t start_idx = idx;
|
|
bool level = 0;
|
|
uint32_t dur = 0, sample_num = 0;
|
|
for(int row = 0; row < rows; row++) {
|
|
for(int x = 0; x < 128; x++) {
|
|
int y = 3 + row * 8;
|
|
if(dur < time_per_pixel / 2) {
|
|
/* Get more data. */
|
|
raw_samples_get(buf, idx++, &level, &dur);
|
|
sample_num++;
|
|
}
|
|
|
|
canvas_draw_line(canvas, x, y, x, y - (level * 3));
|
|
|
|
/* Write a small triangle under the last sample detected. */
|
|
if(app->signal_bestlen != 0 && sample_num + start_idx == app->signal_bestlen + 1) {
|
|
canvas_draw_dot(canvas, x, y + 2);
|
|
canvas_draw_dot(canvas, x - 1, y + 3);
|
|
canvas_draw_dot(canvas, x, y + 3);
|
|
canvas_draw_dot(canvas, x + 1, y + 3);
|
|
sample_num++; /* Make sure we don't mark the next, too. */
|
|
}
|
|
|
|
/* Remove from the current level duration the time we
|
|
* just plot. */
|
|
if(dur > time_per_pixel)
|
|
dur -= time_per_pixel;
|
|
else
|
|
dur = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Raw pulses rendering. This is our default view. */
|
|
void render_view_raw_pulses(Canvas* const canvas, ProtoViewApp* app) {
|
|
/* Show signal. */
|
|
render_signal(app, canvas, DetectedSamples, app->signal_offset);
|
|
|
|
/* Show signal information. */
|
|
char buf[64];
|
|
snprintf(buf, sizeof(buf), "%luus", (unsigned long)DetectedSamples->short_pulse_dur);
|
|
canvas_set_font(canvas, FontSecondary);
|
|
canvas_draw_str_with_border(canvas, 97, 63, buf, ColorWhite, ColorBlack);
|
|
if(app->signal_decoded) {
|
|
canvas_set_font(canvas, FontPrimary);
|
|
canvas_draw_str_with_border(
|
|
canvas, 1, 61, app->msg_info->decoder->name, ColorWhite, ColorBlack);
|
|
}
|
|
}
|
|
|
|
/* Handle input for the raw pulses view. */
|
|
void process_input_raw_pulses(ProtoViewApp* app, InputEvent input) {
|
|
if(input.type == InputTypeRepeat) {
|
|
/* Handle panning of the signal window. Long pressing
|
|
* right will show successive samples, long pressing left
|
|
* previous samples. */
|
|
if(input.key == InputKeyRight)
|
|
app->signal_offset++;
|
|
else if(input.key == InputKeyLeft)
|
|
app->signal_offset--;
|
|
} else if(input.type == InputTypeLong) {
|
|
if(input.key == InputKeyOk) {
|
|
/* Reset the current sample to capture the next. */
|
|
reset_current_signal(app);
|
|
}
|
|
} else if(input.type == InputTypeShort) {
|
|
if(input.key == InputKeyOk) {
|
|
app->signal_offset = 0;
|
|
adjust_raw_view_scale(app, DetectedSamples->short_pulse_dur);
|
|
} else if(input.key == InputKeyDown) {
|
|
/* Rescaling. The set becomes finer under 50us per pixel. */
|
|
uint32_t scale_step = app->us_scale >= 50 ? 50 : 10;
|
|
if(app->us_scale < 500) app->us_scale += scale_step;
|
|
} else if(input.key == InputKeyUp) {
|
|
uint32_t scale_step = app->us_scale > 50 ? 50 : 10;
|
|
if(app->us_scale > 10) app->us_scale -= scale_step;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Adjust raw view scale depending on short pulse duration. */
|
|
void adjust_raw_view_scale(ProtoViewApp* app, uint32_t short_pulse_dur) {
|
|
if(short_pulse_dur == 0)
|
|
app->us_scale = PROTOVIEW_RAW_VIEW_DEFAULT_SCALE;
|
|
else if(short_pulse_dur < 75)
|
|
app->us_scale = 10;
|
|
else if(short_pulse_dur < 145)
|
|
app->us_scale = 30;
|
|
else if(short_pulse_dur < 400)
|
|
app->us_scale = 100;
|
|
else if(short_pulse_dur < 1000)
|
|
app->us_scale = 200;
|
|
else
|
|
app->us_scale = PROTOVIEW_RAW_VIEW_DEFAULT_SCALE;
|
|
}
|