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https://github.com/azure-rtos/guix.git
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92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
#include "demo_guix_smart_watch.h"
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#define ANIMATION_TOTAL_STEPS 20
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#define MAX_DIASTOLE_BLOOD_PRESSURE 120
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#define CAL_ANIMATION_VAL(val) ((val) * animation_step / ANIMATION_TOTAL_STEPS)
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/* Define local variables. */
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static INT systole_blood_pressure = 120;
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static INT diastole_blood_pressure = 78;
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static INT heart_rate = 68;
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static INT animation_step = 0;
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/******************************************************************************************/
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/* Retrieve ekg progress value. */
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/******************************************************************************************/
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int get_ekg_progress_val()
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{
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return diastole_blood_pressure * 100 / MAX_DIASTOLE_BLOOD_PRESSURE;
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}
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/******************************************************************************************/
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/* Reset screen data. */
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/******************************************************************************************/
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static void screen_data_reset()
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{
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gx_numeric_prompt_value_set(&ekg_screen.ekg_screen_systole_blood_pressure, 0);
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gx_numeric_prompt_value_set(&ekg_screen.ekg_screen_diastole_blood_pressure, 0);
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gx_numeric_prompt_value_set(&ekg_screen.ekg_screen_heart_rate, 0);
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gx_radial_progress_bar_value_set(&ekg_screen.ekg_screen_progress, 0);
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}
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/******************************************************************************************/
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/* Start a timer for animation. */
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/******************************************************************************************/
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static void animation_start(GX_WINDOW* window)
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{
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animation_step = 0;
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gx_system_timer_start(window, SCREEN_ANIMATION_TIMER_ID, 40 / GX_SYSTEM_TIMER_MS, 40 / GX_SYSTEM_TIMER_MS);
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}
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/******************************************************************************************/
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/* Update animation. */
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/******************************************************************************************/
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static void animation_update()
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{
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animation_step++;
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gx_numeric_prompt_value_set(&ekg_screen.ekg_screen_systole_blood_pressure, CAL_ANIMATION_VAL(systole_blood_pressure));
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gx_numeric_prompt_value_set(&ekg_screen.ekg_screen_diastole_blood_pressure, CAL_ANIMATION_VAL(diastole_blood_pressure));
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gx_numeric_prompt_value_set(&ekg_screen.ekg_screen_heart_rate, CAL_ANIMATION_VAL(heart_rate));
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gx_radial_progress_bar_value_set(&ekg_screen.ekg_screen_progress, CAL_ANIMATION_VAL(diastole_blood_pressure * (-360) / MAX_DIASTOLE_BLOOD_PRESSURE));
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if (animation_step == ANIMATION_TOTAL_STEPS)
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{
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gx_system_timer_stop(&ekg_screen, SCREEN_ANIMATION_TIMER_ID);
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}
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}
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/******************************************************************************************/
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/* Override the default event processing of "ekg_screen" to handle signals from my */
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/* child widgets. */
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/******************************************************************************************/
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UINT ekg_screen_event_process(GX_WINDOW* window, GX_EVENT* event_ptr)
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{
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switch (event_ptr->gx_event_type)
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{
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case GX_EVENT_SHOW:
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screen_data_reset();
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break;
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case USER_EVENT_ANIMATION_START:
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animation_start(window);
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break;
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case USER_EVENT_ANIMATION_STOP:
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gx_system_timer_stop(window, SCREEN_ANIMATION_TIMER_ID);
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break;
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case GX_EVENT_TIMER:
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if (event_ptr->gx_event_payload.gx_event_timer_id == SCREEN_ANIMATION_TIMER_ID)
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{
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animation_update();
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}
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break;
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default:
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break;
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}
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return screen_template_event_process(window, event_ptr);
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} |