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lrf_info_view.c
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lrf_info_view.c
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/***
* Noptel LRF rangefinder sampler for the Flipper Zero
* Version: 2.0
*
* LRF information view
***/
/*** Includes ***/
#include "common.h"
#include "noptel_lrf_sampler_icons.h" /* Generated from images in assets */
/*** Routines ***/
/** LRF identification handler
Called when a LRF identification frame is available from the LRF serial
communication app **/
static void lrf_ident_handler(LRFIdent *lrf_ident, void *ctx) {
App *app = (App *)ctx;
LRFInfoModel *lrfinfo_model = view_get_model(app->lrfinfo_view);
/* Copy the identification and mark it as valid */
memcpy(&(lrfinfo_model->ident), lrf_ident, sizeof(LRFIdent));
lrfinfo_model->has_ident = true;
/* Trigger an LRF info view redraw */
with_view_model(app->lrfinfo_view, LRFInfoModel *_model,
{UNUSED(_model);}, true);
}
/** LRF information handler
Called when a LRF information frame is available from the LRF serial
communication app **/
static void lrf_info_handler(LRFInfo *lrf_info, void *ctx) {
App *app = (App *)ctx;
LRFInfoModel *lrfinfo_model = view_get_model(app->lrfinfo_view);
/* Copy the infoification and mark it as valid */
memcpy(&(lrfinfo_model->info), lrf_info, sizeof(LRFInfo));
lrfinfo_model->has_info = true;
/* Trigger an LRF info view redraw */
with_view_model(app->lrfinfo_view, LRFInfoModel *_model,
{UNUSED(_model);}, true);
}
/** LRF info view enter callback **/
void lrfinfo_view_enter_callback(void *ctx) {
App *app = (App *)ctx;
with_view_model(app->lrfinfo_view, LRFInfoModel *lrfinfo_model,
{
/* Start the UART at the correct baudrate */
start_uart(app->lrf_serial_comm_app, app->config.baudrate);
/* Invalidate the current identification - if any */
lrfinfo_model->has_ident = false;
/* Setup the callback to receive decoded LRF identification frames */
set_lrf_ident_handler(app->lrf_serial_comm_app, lrf_ident_handler,
app);
/* Invalidate the current information - if any */
lrfinfo_model->has_info = false;
/* Setup the callback to receive decoded LRF information frames */
set_lrf_info_handler(app->lrf_serial_comm_app, lrf_info_handler, app);
/* Send a send-identification-frame command */
send_lrf_command(app->lrf_serial_comm_app, send_ident);
/* Send a send-information-frame command */
send_lrf_command(app->lrf_serial_comm_app, send_info);
},
false);
}
/** LRF info view exit callback **/
void lrfinfo_view_exit_callback(void *ctx) {
App *app = (App *)ctx;
/* Unset the callback to receive decoded LRF information frames */
set_lrf_info_handler(app->lrf_serial_comm_app, NULL, app);
/* Unset the callback to receive decoded LRF identification frames */
set_lrf_ident_handler(app->lrf_serial_comm_app, NULL, app);
/* Stop the UART */
stop_uart(app->lrf_serial_comm_app);
}
/** Draw callback for the LRF info view **/
void lrfinfo_view_draw_callback(Canvas *canvas, void *model) {
LRFInfoModel *lrfinfo_model = (LRFInfoModel *)model;
uint8_t y;
/* First print all the things we need to print in the FontPrimary font
(bold, proportional) */
canvas_set_font(canvas, FontPrimary);
/* Do we have a valid identification to display? */
if(lrfinfo_model->has_ident) {
/* Draw the identification fields' names */
canvas_draw_str(canvas, 13, 8, "ID");
canvas_draw_str(canvas, 3, 17, "Add");
canvas_draw_str(canvas, 4, 26, "S/N");
canvas_draw_str(canvas, 2, 35, "F/W");
canvas_draw_str(canvas, 0, 44, "Date");
canvas_draw_str(canvas, 90, 26, "Opt");
canvas_draw_str(canvas, 88, 35, "Elec");
}
/* Print the OK button symbol followed by "Read" in a frame at the
right-hand side */
canvas_draw_frame(canvas, 77, 52, 51, 12);
canvas_draw_icon(canvas, 79, 54, &I_ok_button);
canvas_draw_str(canvas, 102, 62, "Read");
/* Draw a dividing line between the LRF information and the bottom line */
canvas_draw_line(canvas, 0, 48, 128, 48);
/* Do we have a valid identification to display? */
if(lrfinfo_model->has_ident) {
/* Second draw the identification values in the FontSecondary font
(normal, proportional) */
canvas_set_font(canvas, FontSecondary);
/* Draw the identification values */
canvas_draw_str(canvas, 26, 8, lrfinfo_model->ident.id);
canvas_draw_str(canvas, 26, 17, lrfinfo_model->ident.addinfo);
canvas_draw_str(canvas, 26, 26, lrfinfo_model->ident.serial);
canvas_draw_str(canvas, 26, 35, lrfinfo_model->ident.fwversion);
canvas_draw_str(canvas, 26, 44, lrfinfo_model->ident.builddate);
canvas_draw_str(canvas, 111, 26, lrfinfo_model->ident.optics);
canvas_draw_str(canvas, 111, 35, lrfinfo_model->ident.electronics);
}
/* Do we have valid information to display? */
if(lrfinfo_model->has_info) {
/* Black out the left of the bottom line */
for(y = 49; y < 64; y++)
canvas_draw_line(canvas, 0, y, 72, y);
/* Switch to reverse video */
canvas_invert_color(canvas);
/* Divide the black zone into two black zones */
canvas_draw_line(canvas, 36, 48, 36, 63);
canvas_draw_line(canvas, 73, 48, 73, 63);
/* Draw the battery icon */
canvas_draw_icon(canvas, 13, 49, &I_battery);
/* Draw the temperature icon */
canvas_draw_icon(canvas, 47, 49, &I_temperature);
/* Finally draw values in the FontKeyboard font (thin, fixed) */
canvas_set_font(canvas, FontKeyboard);
/* Draw the battery voltage */
snprintf(lrfinfo_model->spstr, sizeof(lrfinfo_model->spstr), "%.1fV",
(double)lrfinfo_model->info.battvoltage);
canvas_draw_str_aligned(canvas, 18, 63, AlignCenter, AlignBottom,
lrfinfo_model->spstr);
/* Draw the receiver temperature */
snprintf(lrfinfo_model->spstr, sizeof(lrfinfo_model->spstr), "%.1fC",
(double)lrfinfo_model->info.rxtemp);
canvas_draw_str_aligned(canvas, 55, 63, AlignCenter, AlignBottom,
lrfinfo_model->spstr);
}
}
/** Input callback for the LRF info view **/
bool lrfinfo_view_input_callback(InputEvent *evt, void *ctx) {
App *app = (App *)ctx;
LRFInfoModel *lrfinfo_model = view_get_model(app->lrfinfo_view);
/* If the user pressed the OK button, tell the LRF to send its
identification and information */
if(evt->type == InputTypePress && evt->key == InputKeyOk) {
FURI_LOG_D(TAG, "OK button pressed");
/* Invalidate the current identification - if any */
lrfinfo_model->has_ident = false;
/* Invalidate the current information - if any */
lrfinfo_model->has_info = false;
/* Trigger an LRF info view redraw to clear the information currently
displayed - if any */
with_view_model(app->lrfinfo_view, LRFInfoModel *_model,
{UNUSED(_model);}, true);
/* Send a send-identification-frame command */
send_lrf_command(app->lrf_serial_comm_app, send_ident);
/* Send a send-information-frame command */
send_lrf_command(app->lrf_serial_comm_app, send_info);
return true;
}
/* We haven't handled this event */
return false;
}