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lvgl/lv_appx/lv_app_sysmon.c
Gabor 6591da5917 minor bugfixes
2017-05-03 15:06:32 +02:00

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/**
* @file lv_app_sysmon.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_app_sysmon.h"
#if LV_APP_ENABLE != 0 && USE_LV_APP_SYSMON != 0
#include <stdio.h>
#include "misc/os/ptask.h"
#include "misc/os/idle.h"
#include "lvgl/lv_objx/lv_chart.h"
#include "lvgl/lv_app/lv_app_util/lv_app_notice.h"
#include "hal/systick/systick.h"
/*********************
* DEFINES
*********************/
#define CPU_LABEL_COLOR "FF0000"
#define MEM_LABEL_COLOR "0000FF"
/**********************
* TYPEDEFS
**********************/
/*Application specific data for an instance of this application*/
typedef struct
{
}my_app_data_t;
/*Application specific data a window of this application*/
typedef struct
{
lv_obj_t * chart;
lv_chart_dl_t * cpu_dl;
lv_chart_dl_t * mem_dl;
lv_obj_t * label;
}my_win_data_t;
/*Application specific data for a shortcut of this application*/
typedef struct
{
lv_obj_t * bar_cpu;
lv_obj_t * bar_mem;
}my_sc_data_t;
/**********************
* STATIC PROTOTYPES
**********************/
static void my_app_run(lv_app_inst_t * app, void * conf);
static void my_app_close(lv_app_inst_t * app);
static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec, lv_app_com_type_t type , const void * data, uint32_t size);
static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc);
static void my_sc_close(lv_app_inst_t * app);
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win);
static void my_win_close(lv_app_inst_t * app);
static void sysmon_task(void * param);
static void lv_app_sysmon_refr(void);
/**********************
* STATIC VARIABLES
**********************/
static lv_app_dsc_t my_app_dsc =
{
.name = "Sys. monitor",
.mode = LV_APP_MODE_NONE,
.app_run = my_app_run,
.app_close = my_app_close,
.com_rec = my_com_rec,
.win_open = my_win_open,
.win_close = my_win_close,
.sc_open = my_sc_open,
.sc_close = my_sc_close,
.app_data_size = sizeof(my_app_data_t),
.sc_data_size = sizeof(my_sc_data_t),
.win_data_size = sizeof(my_win_data_t),
};
static uint8_t mem_pct[LV_APP_SYSMON_PNUM];
static uint8_t cpu_pct[LV_APP_SYSMON_PNUM];
static lv_style_t cpu_bar_bg;
static lv_style_t mem_bar_bg;
static lv_style_t cpu_bar_indic;
static lv_style_t mem_bar_indic;
#if USE_DYN_MEM != 0 && DM_CUSTOM == 0
static dm_mon_t mem_mon;
#endif
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Initialize the application
* @return pointer to the application descriptor of this application
*/
const lv_app_dsc_t * lv_app_sysmon_init(void)
{
ptask_create(sysmon_task, LV_APP_SYSMON_REFR_TIME, PTASK_PRIO_LOW, NULL);
memset(mem_pct, 0, sizeof(mem_pct));
memset(cpu_pct, 0, sizeof(cpu_pct));
/*Create bar styles for the shortcut*/
lv_style_get(LV_STYLE_PRETTY, &cpu_bar_bg);
cpu_bar_bg.ccolor = COLOR_MAKE(0x40, 0x00, 0x00);
cpu_bar_bg.font = font_get(LV_APP_FONT_MEDIUM);
cpu_bar_bg.line_space = 0;
cpu_bar_bg.txt_align = 1;
cpu_bar_bg.hpad = 0;
cpu_bar_bg.vpad = 0;
memcpy(&mem_bar_bg, &cpu_bar_bg, sizeof(lv_style_t));
mem_bar_bg.ccolor = COLOR_MAKE(0x00, 0x40, 0x00);
lv_style_get(LV_STYLE_PRETTY_COLOR, &cpu_bar_indic);
cpu_bar_indic.gcolor = COLOR_MARRON;
cpu_bar_indic.mcolor = COLOR_RED;
cpu_bar_indic.bcolor = COLOR_BLACK;
//cpu_bar_indic.bwidth = 1 * LV_DOWNSCALE;
cpu_bar_indic.bopa = OPA_50;
cpu_bar_indic.hpad = 0 * LV_DOWNSCALE;
cpu_bar_indic.vpad = 0 * LV_DOWNSCALE;
memcpy(&mem_bar_indic, &cpu_bar_indic, sizeof(lv_style_t));
mem_bar_indic.gcolor = COLOR_GREEN;
mem_bar_indic.mcolor = COLOR_LIME;
return &my_app_dsc;
}
/**********************
* STATIC FUNCTIONS
**********************/
/**
* Run an application according to 'app_dsc'
* @param app_dsc pointer to an application descriptor
* @param conf pointer to a lv_app_sysmon_conf_t structure with configuration data or NULL if unused
* @return pointer to the opened application or NULL if any error occurred
*/
static void my_app_run(lv_app_inst_t * app, void * conf)
{
}
/**
* Close a running application.
* Close the Window and the Shortcut too if opened.
* Free all the allocated memory by this application.
* @param app pointer to an application
*/
static void my_app_close(lv_app_inst_t * app)
{
/*No dynamically allocated data in 'my_app_data'*/
}
/**
* Read the data have been sent to this application
* @param app_send pointer to an application which sent the message
* @param app_rec pointer to an application which is receiving the message
* @param type type of data from 'lv_app_com_type_t' enum
* @param data pointer to the sent data
* @param size length of 'data' in bytes
*/
static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
lv_app_com_type_t type , const void * data, uint32_t size)
{
}
/**
* Open a shortcut for an application
* @param app pointer to an application
* @param sc pointer to an object where the application
* can create content of the shortcut
*/
static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc)
{
my_sc_data_t * sc_data = app->sc_data;
cord_t w = lv_obj_get_width(sc) / 5;
/*Create 2 bars for the CPU and the Memory*/
sc_data->bar_cpu = lv_bar_create(sc, NULL);
lv_obj_set_size(sc_data->bar_cpu, w, 5 * lv_obj_get_height(sc) / 8);
lv_obj_align(sc_data->bar_cpu, NULL, LV_ALIGN_IN_BOTTOM_LEFT, w, - lv_obj_get_height(sc) / 8);
lv_obj_set_style(sc_data->bar_cpu, &cpu_bar_bg);
lv_bar_set_style_indic(sc_data->bar_cpu, &cpu_bar_indic);
lv_obj_set_click(sc_data->bar_cpu, false);
lv_bar_set_range(sc_data->bar_cpu, 0, 100);
lv_obj_t * label = lv_label_create(sc_data->bar_cpu, NULL);
lv_label_set_text(label, "C\nP\nU");
lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
sc_data->bar_mem = lv_bar_create(sc, sc_data->bar_cpu);
lv_obj_align(sc_data->bar_mem, sc_data->bar_cpu, LV_ALIGN_OUT_RIGHT_MID, w, 0);
lv_obj_set_style(sc_data->bar_mem, &mem_bar_bg);
lv_bar_set_style_indic(sc_data->bar_mem, &mem_bar_indic);
label = lv_label_create(sc_data->bar_mem, NULL);
lv_label_set_text(label, "M\nE\nM");
lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
lv_app_sysmon_refr();
}
/**
* Close the shortcut of an application
* @param app pointer to an application
*/
static void my_sc_close(lv_app_inst_t * app)
{
/*No dynamically allocated data in 'my_sc_data'*/
}
/**
* Open the application in a window
* @param app pointer to an application
* @param win pointer to a window object where
* the application can create content
*/
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win)
{
my_win_data_t * win_data = app->win_data;
/*Make the window content responsive*/
lv_cont_set_layout(lv_page_get_scrl(lv_win_get_page(win)), LV_CONT_LAYOUT_PRETTY);
/*Create a chart with two data lines*/
win_data->chart = lv_chart_create(win, NULL);
lv_obj_set_size(win_data->chart, LV_HOR_RES / 2, LV_VER_RES / 2);
lv_obj_set_pos(win_data->chart, LV_DPI / 10, LV_DPI / 10);
lv_chart_set_pnum(win_data->chart, LV_APP_SYSMON_PNUM);
lv_chart_set_range(win_data->chart, 0, 100);
lv_chart_set_type(win_data->chart, LV_CHART_LINE);
lv_chart_set_dl_width(win_data->chart, 2 * LV_DOWNSCALE);
win_data->cpu_dl = lv_chart_add_data_line(win_data->chart, COLOR_RED);
win_data->mem_dl = lv_chart_add_data_line(win_data->chart, COLOR_BLUE);
uint16_t i;
for(i = 0; i < LV_APP_SYSMON_PNUM; i ++) {
win_data->cpu_dl->points[i] = cpu_pct[i];
win_data->mem_dl->points[i] = mem_pct[i];
}
/*Create a label for the details of Memory and CPU usage*/
win_data->label = lv_label_create(win, NULL);
lv_label_set_recolor(win_data->label, true);
lv_obj_align(win_data->label, win_data->chart, LV_ALIGN_OUT_RIGHT_TOP, LV_DPI / 4, 0);
lv_app_sysmon_refr();
}
/**
* Close the window of an application
* @param app pointer to an application
*/
static void my_win_close(lv_app_inst_t * app)
{
}
/*--------------------
* OTHER FUNCTIONS
---------------------*/
/**
* Called periodically to monitor the CPU and memory usage.
* It refreshes the shortcuts and windows and also add notifications if there is any problem.
* @param param unused
*/
static void sysmon_task(void * param)
{
/*Shift out the oldest data*/
uint16_t i;
for(i = 1; i < LV_APP_SYSMON_PNUM; i++) {
mem_pct[i - 1] = mem_pct[i];
cpu_pct[i - 1] = cpu_pct[i];
}
/*Get CPU and memory information */
uint8_t cpu_busy = 0;
#if USE_IDLE != 0 /*Use the more precise idle module if enabled*/
cpu_busy = 100 - idle_get();
#else
cpu_busy = 100 - ptask_get_idle();
#endif
uint8_t mem_used_pct = 0;
#if USE_DYN_MEM != 0 && DM_CUSTOM == 0
dm_monitor(&mem_mon);
mem_used_pct = mem_mon.pct_used;
#endif
/*Add the CPU and memory data*/
cpu_pct[LV_APP_SYSMON_PNUM - 1] = cpu_busy;
mem_pct[LV_APP_SYSMON_PNUM - 1] = mem_used_pct;
/*Refresh the shortcuts and windows*/
lv_app_sysmon_refr();
#if USE_DYN_MEM != 0 && DM_CUSTOM == 0
/*Handle periodic defrag. if enabled*/
#if LV_APP_SYSMON_DEFRAG_PERIOD != 0
static uint32_t last_defrag = 0;
if(systick_elaps(last_defrag) > LV_APP_SYSMON_DEFRAG_PERIOD) {
dm_defrag();
last_defrag = systick_get();
}
#endif
/*Add notifications if something is critical*/
static bool mem_warn_report = false;
if(mem_mon.size_free < LV_APP_SYSMON_MEM_WARN && mem_warn_report == false) {
mem_warn_report = true;
lv_app_notice_add("Critically low memory");
}
if(mem_mon.size_free > LV_APP_SYSMON_MEM_WARN) mem_warn_report = false;
static bool frag_warn_report = false;
if(mem_mon.pct_frag > LV_APP_SYSMON_FRAG_WARN) {
if(frag_warn_report == false) {
frag_warn_report = true;
lv_app_notice_add("Critical memory\nfragmentation");
dm_defrag(); /*Defrag. if the fragmentation is critical*/
}
}
if(mem_mon.pct_frag < LV_APP_SYSMON_FRAG_WARN) frag_warn_report = false;
#endif
}
/**
* Refresh the shortcuts and windows.
*/
static void lv_app_sysmon_refr(void)
{
char buf_long[256];
char buf_short[128];
sprintf(buf_long, "%c%s CPU: %d %%%c\n\n",TXT_RECOLOR_CMD, CPU_LABEL_COLOR, cpu_pct[LV_APP_SYSMON_PNUM - 1], TXT_RECOLOR_CMD);
sprintf(buf_short, "CPU: %d %%\n", cpu_pct[LV_APP_SYSMON_PNUM - 1]);
#if USE_DYN_MEM != 0 && DM_CUSTOM == 0
sprintf(buf_long, "%s%c%s MEMORY: %d %%%c\nTotal: %d bytes\nUsed: %d bytes\nFree: %d bytes\nFrag: %d %%",
buf_long,
TXT_RECOLOR_CMD,
MEM_LABEL_COLOR,
mem_pct[LV_APP_SYSMON_PNUM - 1],
TXT_RECOLOR_CMD,
(int)mem_mon.size_total,
(int)mem_mon.size_total - mem_mon.size_free, mem_mon.size_free, mem_mon.pct_frag);
sprintf(buf_short, "%sMem: %d %%\nFrag: %d %%\n",
buf_short, mem_pct[LV_APP_SYSMON_PNUM - 1], mem_mon.pct_frag);
#else
sprintf(buf_long, "%s%c%s MEMORY: N/A%c", buf_long, TXT_RECOLOR_CMD, MEM_LABEL_COLOR, TXT_RECOLOR_CMD);
sprintf(buf_short, "%sMem: N/A\nFrag: N/A", buf_short);
#endif
lv_app_inst_t * app;
app = lv_app_get_next(NULL, &my_app_dsc);
while(app != NULL) {
/*Refresh the windows*/
my_win_data_t * win_data = app->win_data;
if(win_data != NULL) {
lv_label_set_text(win_data->label, buf_long);
lv_chart_set_next(win_data->chart, win_data->mem_dl, mem_pct[LV_APP_SYSMON_PNUM - 1]);
lv_chart_set_next(win_data->chart, win_data->cpu_dl, cpu_pct[LV_APP_SYSMON_PNUM - 1]);
}
/*Refresh the shortcut*/
my_sc_data_t * sc_data = app->sc_data;
if(sc_data != NULL) {
lv_bar_set_value(sc_data->bar_cpu, cpu_pct[LV_APP_SYSMON_PNUM - 1]);
lv_bar_set_value(sc_data->bar_mem, mem_pct[LV_APP_SYSMON_PNUM - 1]);
}
lv_app_com_send(app, LV_APP_COM_TYPE_CHAR, buf_short, strlen(buf_short));
app = lv_app_get_next(app, &my_app_dsc);
}
}
#endif /*LV_APP_ENABLE != 0 && USE_LV_APP_SYSMON != 0*/
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