flipperzero-firmware/applications/external/signal_generator/views/signal_gen_pwm.c

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9.9 KiB
C
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#include "../signal_gen_app_i.h"
#include <furi_hal.h>
#include <gui/elements.h>
#include <signal_generator_icons.h>
typedef enum {
LineIndexChannel,
LineIndexFrequency,
LineIndexDuty,
LineIndexTotalCount
} LineIndex;
static const char* const pwm_ch_names[] = {"2(A7)", "4(A4)"};
struct SignalGenPwm {
View* view;
SignalGenPwmViewCallback callback;
void* context;
};
typedef struct {
LineIndex line_sel;
bool edit_mode;
uint8_t edit_digit;
uint8_t channel_id;
uint32_t freq;
uint8_t duty;
} SignalGenPwmViewModel;
#define ITEM_H 64 / 3
#define ITEM_W 128
#define VALUE_X 100
#define VALUE_W 45
#define FREQ_VALUE_X 62
#define FREQ_MAX 1000000UL
#define FREQ_DIGITS_NB 7
static void pwm_set_config(SignalGenPwm* pwm) {
FuriHalPwmOutputId channel;
uint32_t freq;
uint8_t duty;
with_view_model(
pwm->view,
SignalGenPwmViewModel * model,
{
channel = model->channel_id;
freq = model->freq;
duty = model->duty;
},
false);
furi_assert(pwm->callback);
pwm->callback(channel, freq, duty, pwm->context);
}
static void pwm_channel_change(SignalGenPwmViewModel* model, InputEvent* event) {
if(event->key == InputKeyLeft) {
if(model->channel_id > 0) {
model->channel_id--;
}
} else if(event->key == InputKeyRight) {
if(model->channel_id < (COUNT_OF(pwm_ch_names) - 1)) {
model->channel_id++;
}
}
}
static void pwm_duty_change(SignalGenPwmViewModel* model, InputEvent* event) {
if(event->key == InputKeyLeft) {
if(model->duty > 0) {
model->duty--;
}
} else if(event->key == InputKeyRight) {
if(model->duty < 100) {
model->duty++;
}
}
}
static bool pwm_freq_edit(SignalGenPwmViewModel* model, InputEvent* event) {
bool consumed = false;
if((event->type == InputTypeShort) || (event->type == InputTypeRepeat)) {
if(event->key == InputKeyRight) {
if(model->edit_digit > 0) {
model->edit_digit--;
}
consumed = true;
} else if(event->key == InputKeyLeft) {
if(model->edit_digit < (FREQ_DIGITS_NB - 1)) {
model->edit_digit++;
}
consumed = true;
} else if(event->key == InputKeyUp) {
uint32_t step = 1;
for(uint8_t i = 0; i < model->edit_digit; i++) {
step *= 10;
}
if((model->freq + step) < FREQ_MAX) {
model->freq += step;
} else {
model->freq = FREQ_MAX;
}
consumed = true;
} else if(event->key == InputKeyDown) {
uint32_t step = 1;
for(uint8_t i = 0; i < model->edit_digit; i++) {
step *= 10;
}
if(model->freq > (step + 1)) {
model->freq -= step;
} else {
model->freq = 1;
}
consumed = true;
}
}
return consumed;
}
static void signal_gen_pwm_draw_callback(Canvas* canvas, void* _model) {
SignalGenPwmViewModel* model = _model;
char* line_label = NULL;
char val_text[16];
for(size_t line = 0; line < LineIndexTotalCount; line++) {
if(line == LineIndexChannel) {
line_label = "GPIO Pin";
} else if(line == LineIndexFrequency) {
line_label = "Frequency";
} else if(line == LineIndexDuty) { //-V547
line_label = "Pulse width";
}
canvas_set_color(canvas, ColorBlack);
if(line == model->line_sel) {
elements_slightly_rounded_box(canvas, 0, ITEM_H * line + 1, ITEM_W, ITEM_H - 1);
canvas_set_color(canvas, ColorWhite);
}
uint8_t text_y = ITEM_H * line + ITEM_H / 2 + 2;
canvas_draw_str_aligned(canvas, 6, text_y, AlignLeft, AlignCenter, line_label);
if(line == LineIndexChannel) {
snprintf(val_text, sizeof(val_text), "%s", pwm_ch_names[model->channel_id]);
canvas_draw_str_aligned(canvas, VALUE_X, text_y, AlignCenter, AlignCenter, val_text);
if(model->channel_id != 0) {
canvas_draw_str_aligned(
canvas, VALUE_X - VALUE_W / 2, text_y, AlignCenter, AlignCenter, "<");
}
if(model->channel_id != (COUNT_OF(pwm_ch_names) - 1)) {
canvas_draw_str_aligned(
canvas, VALUE_X + VALUE_W / 2, text_y, AlignCenter, AlignCenter, ">");
}
} else if(line == LineIndexFrequency) {
snprintf(val_text, sizeof(val_text), "%7lu Hz", model->freq);
canvas_set_font(canvas, FontKeyboard);
canvas_draw_str_aligned(
canvas, FREQ_VALUE_X, text_y, AlignLeft, AlignCenter, val_text);
canvas_set_font(canvas, FontSecondary);
if(model->edit_mode) {
uint8_t icon_x = (FREQ_VALUE_X) + (FREQ_DIGITS_NB - model->edit_digit - 1) * 6;
canvas_draw_icon(canvas, icon_x, text_y - 9, &I_SmallArrowUp_3x5);
canvas_draw_icon(canvas, icon_x, text_y + 5, &I_SmallArrowDown_3x5);
}
} else if(line == LineIndexDuty) { //-V547
snprintf(val_text, sizeof(val_text), "%d%%", model->duty);
canvas_draw_str_aligned(canvas, VALUE_X, text_y, AlignCenter, AlignCenter, val_text);
if(model->duty != 0) {
canvas_draw_str_aligned(
canvas, VALUE_X - VALUE_W / 2, text_y, AlignCenter, AlignCenter, "<");
}
if(model->duty != 100) {
canvas_draw_str_aligned(
canvas, VALUE_X + VALUE_W / 2, text_y, AlignCenter, AlignCenter, ">");
}
}
}
}
static bool signal_gen_pwm_input_callback(InputEvent* event, void* context) {
furi_assert(context);
SignalGenPwm* pwm = context;
bool consumed = false;
bool need_update = false;
with_view_model(
pwm->view,
SignalGenPwmViewModel * model,
{
if(model->edit_mode == false) {
if((event->type == InputTypeShort) || (event->type == InputTypeRepeat)) {
if(event->key == InputKeyUp) {
if(model->line_sel == 0) {
model->line_sel = LineIndexTotalCount - 1;
} else {
model->line_sel =
CLAMP(model->line_sel - 1, LineIndexTotalCount - 1, 0);
}
consumed = true;
} else if(event->key == InputKeyDown) {
if(model->line_sel == LineIndexTotalCount - 1) {
model->line_sel = 0;
} else {
model->line_sel =
CLAMP(model->line_sel + 1, LineIndexTotalCount - 1, 0);
}
consumed = true;
} else if((event->key == InputKeyLeft) || (event->key == InputKeyRight)) {
if(model->line_sel == LineIndexChannel) {
pwm_channel_change(model, event);
need_update = true;
} else if(model->line_sel == LineIndexDuty) {
pwm_duty_change(model, event);
need_update = true;
} else if(model->line_sel == LineIndexFrequency) {
model->edit_mode = true;
}
consumed = true;
} else if(event->key == InputKeyOk) {
if(model->line_sel == LineIndexFrequency) {
model->edit_mode = true;
}
consumed = true;
}
}
} else {
if((event->key == InputKeyOk) || (event->key == InputKeyBack)) {
if(event->type == InputTypeShort) {
model->edit_mode = false;
consumed = true;
}
} else {
if(model->line_sel == LineIndexFrequency) {
consumed = pwm_freq_edit(model, event);
need_update = consumed;
}
}
}
},
true);
if(need_update) {
pwm_set_config(pwm);
}
return consumed;
}
SignalGenPwm* signal_gen_pwm_alloc() {
SignalGenPwm* pwm = malloc(sizeof(SignalGenPwm));
pwm->view = view_alloc();
view_allocate_model(pwm->view, ViewModelTypeLocking, sizeof(SignalGenPwmViewModel));
view_set_context(pwm->view, pwm);
view_set_draw_callback(pwm->view, signal_gen_pwm_draw_callback);
view_set_input_callback(pwm->view, signal_gen_pwm_input_callback);
return pwm;
}
void signal_gen_pwm_free(SignalGenPwm* pwm) {
furi_assert(pwm);
view_free(pwm->view);
free(pwm);
}
View* signal_gen_pwm_get_view(SignalGenPwm* pwm) {
furi_assert(pwm);
return pwm->view;
}
void signal_gen_pwm_set_callback(
SignalGenPwm* pwm,
SignalGenPwmViewCallback callback,
void* context) {
furi_assert(pwm);
furi_assert(callback);
with_view_model(
pwm->view,
SignalGenPwmViewModel * model,
{
UNUSED(model);
pwm->callback = callback;
pwm->context = context;
},
false);
}
void signal_gen_pwm_set_params(SignalGenPwm* pwm, uint8_t channel_id, uint32_t freq, uint8_t duty) {
with_view_model(
pwm->view,
SignalGenPwmViewModel * model,
{
model->channel_id = channel_id;
model->freq = freq;
model->duty = duty;
},
true);
furi_assert(pwm->callback);
pwm->callback(channel_id, freq, duty, pwm->context);
}