Demos restructuring. Added term demo.
This commit is contained in:
Dejvino
+34
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include <wiringPi.h>
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#include "spilcd.h"
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#include "spilcd_gfx.h"
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#include "base.h"
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inline uint8 random_color_r(int seed) { return seed % (256 / 7) * 7; }
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inline uint8 random_color_g(int seed) { return seed % (256 / 13) * 13; }
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inline uint8 random_color_b(int seed) { return seed % (256 / 23) * 23; }
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lcd_t* demo_init()
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{
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setbuf(stdout, NULL);
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srand(time(NULL));
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wiringPiSetup();
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return lcd_init(40000000, 1, 10, 7, 8);
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}
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void demo_deinit(lcd_t* lcd)
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{
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printf("...waiting 2 seconds before shutdown...\n");
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sleep(2);
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printf("Terminating...\n");
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lcd_fillScreen(lcd, 0, 0, 0);
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lcd_deinit(lcd);
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printf("DONE\n");
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}
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+14
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include <wiringPi.h>
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#include "spilcd.h"
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uint8 random_color_r(int seed);
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uint8 random_color_g(int seed);
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uint8 random_color_b(int seed);
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lcd_t* demo_init();
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void demo_deinit(lcd_t* lcd);
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Executable
+1295
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,56 @@
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#include "base.h"
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#include "spilcd_gfx.h"
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int main(int argc, char *argv[])
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{
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lcd_t* lcd = demo_init();
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printf("Fill display...");
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printf("blue...");
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lcd_fillScreen(lcd, 0, 70, 160);
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lcd_redrawBuffer(lcd);
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printf("...waiting 1 second...");
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sleep(1);
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printf("black...");
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lcd_fillScreen(lcd, 0, 0, 0);
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lcd_redrawBuffer(lcd);
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printf("DONE\n");
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printf("...waiting 1 second...\n");
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sleep(1);
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printf("Points...");
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for (int i = 1; i < 2000; i++) {
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int r = rand();
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lcd_drawPixel(lcd, r % 128, i % 160,
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random_color_r(i),
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random_color_g(i),
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random_color_b(i));
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}
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lcd_redrawBuffer(lcd);
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printf("DONE\n");
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printf("...waiting 1 second...\n");
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sleep(1);
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printf("Regions...");
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int w = 15;
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int h = 20;
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for (int i = 1; i < 100; i++) {
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int x = rand() % (128 - w);
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int y = rand() % (160 - h);
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lcd_setWindow(lcd, x, y, x + w - 1, y + h - 1);
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uint8 r = rand();
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uint8 g = rand();
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uint8 b = rand();
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for (int p = 0; p < w*h; p++) {
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lcd_pushPixel(lcd, r * p / (w*h), g * (w*h-p) / (w*h), b);
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}
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lcd_redrawBuffer(lcd);
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}
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printf("DONE\n");
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demo_deinit(lcd);
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return 0;
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}
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@@ -0,0 +1,237 @@
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <ifaddrs.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <linux/if_link.h>
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#include <signal.h>
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#include "spilcd_gfx.h"
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#include "spilcd_font.h"
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#include "base.h"
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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volatile sig_atomic_t done = 0;
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struct sigaction action;
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/**
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*
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* @return
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*/
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float GetCPULoad() {
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int FileHandler;
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char FileBuffer[1024];
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float load;
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FileHandler = open("/proc/loadavg", O_RDONLY);
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if(FileHandler < 0) {
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return -1; }
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read(FileHandler, FileBuffer, sizeof(FileBuffer) - 1);
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sscanf(FileBuffer, "%f", &load);
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close(FileHandler);
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return load;
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}
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/**
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*
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* @return
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*/
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float GetMemUsage() {
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int FileHandler;
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char FileBuffer[1024];
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int memTotal, memFree, memAvail, memBuf,memCached;
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float result;
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FileHandler = open("/proc/meminfo", O_RDONLY);
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if(FileHandler < 0) {
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return -1; }
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read(FileHandler, FileBuffer, sizeof(FileBuffer) - 1);
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sscanf(FileBuffer, "MemTotal: %d kB\n MemFree: %d kB\n MemAvailable: %d kB\n Buffers: %d kB\n Cached: %d kB",
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&memTotal, &memFree, &memAvail, &memBuf, &memCached);
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close(FileHandler);
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result = 1.0 - (float)(memFree + memCached) / memTotal;
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return result;
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}
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/**
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*
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* @return
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*/
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int GetCPUTemp() {
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int FileHandler;
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char FileBuffer[1024];
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int CPU_temp;
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FileHandler = open("/sys/devices/virtual/thermal/thermal_zone0/temp", O_RDONLY);
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if(FileHandler < 0) {
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return -1; }
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read(FileHandler, FileBuffer, sizeof(FileBuffer) - 1);
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sscanf(FileBuffer, "%d", &CPU_temp);
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close(FileHandler);
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return CPU_temp / 1000;
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}
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void sig_handler(int signo)
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{
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done = 1;
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printf("received signo :%d \n", signo);
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}
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/*
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*
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*/
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int main(int argc, char** argv) {
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time_t mytime;
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struct tm *tm;
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uint8_t time_buffer[80];
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uint8_t text_buffer[100];
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struct ifaddrs *ifaddr, *ifa;
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int family, s, n, row;
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char host[NI_MAXHOST];
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// Print pid, so that we can send signals from other shells
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printf("My pid is: %d\n", getpid());
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memset(&action, 0, sizeof(struct sigaction));
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action.sa_handler = sig_handler;
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// Intercept SIGHUP and SIGINT
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if (sigaction(SIGINT, &action, NULL) == -1) {
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perror("Error: cannot handle SIGINT"); // Should not happen
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}
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if (sigaction(SIGTERM, &action, NULL) == -1) {
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perror("Error: cannot handle SIGTERM"); // Should not happen
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}
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lcd_t* lcd = demo_init();
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int rowy = 10;
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while (done == 0) {
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row = 0;
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// Date and Time
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mytime = time(NULL);
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tm = localtime (&mytime);
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lcd_fillScreen(lcd, 0, 0, 0);
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strftime(time_buffer, 80," %H:%M:%S", tm);
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lcd_drawText(lcd, 0, row * rowy, time_buffer, 255, 255, 255);
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row++;
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strftime(time_buffer, 80," %x", tm);
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lcd_drawText(lcd, 0, row * rowy, time_buffer, 200, 200, 200);
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row++;
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row++;
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// CPU
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float c = GetCPULoad() ;
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lcd_drawText(lcd, 0, row * rowy, "CPU load:", 255, 255, 100);
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row++;
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snprintf(text_buffer, sizeof(text_buffer), " %0.2f", c);
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printf("CPU load avg: %s\n", text_buffer);
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if (c < 0.2) {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 50, 255, 50);
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} else if (c < 0.5) {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 255, 50);
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} else {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 50, 50);
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}
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row++;
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/* Memory usage */
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float m = GetMemUsage();
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snprintf(text_buffer, sizeof(text_buffer), " %3.0f%%", m*100);
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printf("Mem used: %s\n", text_buffer);
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lcd_drawText(lcd, 0, row * rowy, "Mem used:", 150, 150, 255);
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row++;
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 255, 255);
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//ssd1306DrawRect(0, 0, 127, 13, INVERSE, LAYER0);
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//ssd1306FillRect(2, 2, (int)(123 * m), 9, INVERSE, LAYER0);
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row++;
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/* CPU temperature */
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int t = GetCPUTemp() ;
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snprintf ( text_buffer, sizeof(text_buffer), "%3d C", t );
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printf("CPU temp: %s\n", text_buffer);
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lcd_drawText(lcd, 0, row * rowy, "CPU temp:", 255, 180, 170);
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row++;
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if (t < 20) {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 150, 150, 255);
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} else if (t < 25) {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 150, 255, 150);
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} else if (t < 30) {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 255, 100);
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} else if (t < 35) {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 120, 100);
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} else {
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 80, 20);
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}
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row++;
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// Network devices and IPs
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if (getifaddrs(&ifaddr) == -1)
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{
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perror("getifaddrs");
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exit(EXIT_FAILURE);
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}
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for (ifa = ifaddr, n = 0; ifa != NULL; ifa = ifa->ifa_next, n++) {
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if (ifa->ifa_addr == NULL)
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continue;
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family = ifa->ifa_addr->sa_family;
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if ((strncmp ("eth", ifa->ifa_name, 3 ) == 0) && family == AF_INET) {
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s = getnameinfo(ifa->ifa_addr,
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(ifa->ifa_addr->sa_family == AF_INET) ? sizeof(struct sockaddr_in) :
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sizeof(struct sockaddr_in6),
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host, NI_MAXHOST,
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NULL, 0, NI_NUMERICHOST);
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if (s != 0) {
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printf("getnameinfo() failed: %s\n", gai_strerror(s));
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exit(EXIT_FAILURE);
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}
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printf("%-8s <%s>\n", ifa->ifa_name, host);
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snprintf ( text_buffer, sizeof(text_buffer), "%s:", ifa->ifa_name);
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 200, 200, 255);
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row++;
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snprintf ( text_buffer, sizeof(text_buffer), " %s", host );
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 200, 255, 200);
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row++;
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}
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if ((strncmp ("wlan", ifa->ifa_name, 4 ) == 0) && family == AF_INET) {
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s = getnameinfo(ifa->ifa_addr,
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(ifa->ifa_addr->sa_family == AF_INET) ? sizeof(struct sockaddr_in) :
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sizeof(struct sockaddr_in6),
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host, NI_MAXHOST,
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NULL, 0, NI_NUMERICHOST);
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if (s != 0) {
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printf("getnameinfo() failed: %s\n", gai_strerror(s));
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exit(EXIT_FAILURE);
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}
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printf("%-8s <%s>\n", ifa->ifa_name, host);
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snprintf ( text_buffer, sizeof(text_buffer), "%s:",ifa->ifa_name);
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 255, 200, 200);
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row++;
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snprintf ( text_buffer, sizeof(text_buffer), " %s", host );
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lcd_drawText(lcd, 0, row * rowy, text_buffer, 200, 255, 200);
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row++;
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}
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}
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freeifaddrs(ifaddr);
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row++;
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lcd_redrawBuffer(lcd);
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sleep(1);
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}
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demo_deinit(lcd);
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}
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+53
@@ -0,0 +1,53 @@
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#include "base.h"
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#include "spilcd_gfx.h"
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#include "spilcd_font.h"
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#include "img_green_screen.h"
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#define ABS(x) ((x) < 0 ? -(x) : (x))
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#define GLOW (((i + row) % 6)*8)
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void draw_background(lcd_t* lcd, uint8 lightness)
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{
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lcd_setWindow(lcd, 0, 0, lcd->width-1, lcd->height-1);
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char* img = header_data;
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for (int i = 0; i < lcd->width * lcd->height; i++) {
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uint8 pixel[3];
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HEADER_PIXEL(img, pixel)
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lcd_pushPixel(lcd, pixel[0] * (int)lightness / 255, pixel[1] * (int)lightness / 255, pixel[2] * (int)lightness / 255);
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}
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}
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int main(int argc, char *argv[])
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{
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lcd_t* lcd = demo_init();
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for (int p = 0; p < 20; p++) {
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draw_background(lcd, p * 200 / 20);
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lcd_redrawBuffer(lcd);
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}
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int rowy = 9;
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for (int i = 0; i < 100; i++) {
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draw_background(lcd, 200 - ABS(4 - (i%8)) * 6);
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int shift_x = ABS(4 - (i%8)) / 4;
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int shift_y = ABS(5 - (i%10)) / 4;
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int row = 2;
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lcd_drawText(lcd, 12 + shift_x, row*rowy + shift_y, "SPI Term v1.8", 0, 220-GLOW, 0);
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row++;
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row++;
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lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, "#/> dir", 0, 220-GLOW, 0);
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row++;
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lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, " a.out", 0, 220-GLOW, 0);
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row++;
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lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, " db.txt", 0, 220-GLOW, 0);
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row++;
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lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, "#/>", 0, 220-GLOW, 0);
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lcd_redrawBuffer(lcd);
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usleep(1000);
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}
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demo_deinit(lcd);
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return 0;
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}
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Reference in New Issue
Block a user