Rename from test to clock-disp

1 files changed, 0 insertions, 397 deletions

diff --git a/test.c b/test.c
deleted file mode 100644
index c8d8c74..0000000
--- a/test.c
+++ /dev/null
@@ -1,397 +0,0 @@
-#include <SDL.h>
-#include <SDL_ttf.h>
-#include <stdio.h>
-#include <time.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <semaphore.h>
-
-enum ALIGN_MODE {
-	ALIGN_MODE_LEFT,
-	ALIGN_MODE_CENTRE,
-	ALIGN_MODE_RIGHT,
-};
-
-#define WINDOW_TITLE "Clock Display"
-#define SCREEN_WIDTH 800
-#define SCREEN_HEIGHT 480
-
-#define TIME_X 0
-#define TIME_Y -50
-
-#define NO_LOCK_Y 150
-
-#define DATE_1_X 20
-#define DATE_1_Y 295
-#define DATE_2_X 20
-#define DATE_2_Y 350
-
-#define SECONDS_X SCREEN_WIDTH - 80
-#define SECONDS_Y SCREEN_HEIGHT - 55
-
-#define NTP_INFO_X 240
-#define NTP_INFO_Y SCREEN_HEIGHT - 55
-#define SAT_INFO_X 20
-#define SAT_INFO_Y NTP_INFO_Y
-
-#define SUN_INFO_X SCREEN_WIDTH -20
-#define SUN_INFO_1_Y DATE_1_Y
-#define SUN_INFO_2_Y DATE_2_Y
-
-/* Common colours used */
-#define COLOUR_WHITE  ((SDL_Color){255,255,255,255})
-#define COLOUR_YELLOW ((SDL_Color){255,191, 32,255})
-#define COLOUR_40GRAY ((SDL_Color){100,100,100,255})
-
-static sem_t data_lock;
-struct clock_data {
-	int is_unread;
-	char sunrise_time[8];
-	char sunset_time[8];
-	int sat_seen;
-	int sat_used;
-	int leap_second;
-	int offset;
-	char offset_units[8];
-	int no_gps_lock;
-};
-
-static volatile struct clock_data shared_data;
-
-/**
- * Publish a struct clock_data to the volatile global clock data object.
- * Caller MUST already hold data_lock
- */
-void publish_clock_data(struct clock_data *l)
-{
-	char *d = (char*)&shared_data;
-	char *s = (char*)l;
-	size_t i = 0;
-	for (i = 0; i < sizeof(struct clock_data); i++) {
-		d[i] = s[i];
-	}
-	shared_data.is_unread = 1;
-}
-
-/**
- * Copy the published struct clock_data to a non-volatile clock data object.
- * Caller MUST already hold data_lock
- */
-void get_clock_data(struct clock_data *l)
-{
-	char *d = (char*)l;
-	char *s = (char*)&shared_data;
-	size_t i = 0;
-	for (i = 0; i < sizeof(struct clock_data); i++) {
-		d[i] = s[i];
-	}
-}
-
-/**
- * Read clock's statistics from files and push them into shared data area for
- * display thread to pick up
- */
-void *read_stats(void* unused)
-{
-	char buffer[32];
-	char *next = buffer;
-	FILE *f = NULL;
-	struct clock_data l;
-	memset(&l, 0, sizeof(l));
-
-	while (1) {
-		/* Read sunrise, sunset */
-		if (f = fopen("/tmp/stats-sun", "r")) {
-			if (fgets(buffer, sizeof(buffer), f)) {
-				/* format is %d/%d\n, first is used sats, second is total seen */
-				if (next = strchr(buffer, ',')) {
-					*(next++) = '\0';
-					next[strcspn(next, "\n\r\t")] = '\0';
-					strncpy(l.sunrise_time, buffer, sizeof(l.sunrise_time));
-					strncpy(l.sunset_time, next, sizeof(l.sunset_time));
-				}
-			}
-			fclose(f);
-		}
-
-		/* Read satellite stats */
-		if (f = fopen("/tmp/stats-sats", "r")) {
-			if (fgets(buffer, sizeof(buffer), f)) {
-				/* format is %d,%d\n, first is used sats, second is total seen */
-				if (next = strchr(buffer, '/')) {
-					*(next++) = '\0';
-					l.sat_used = strtod(buffer, NULL);
-					l.sat_seen = strtod(next, NULL);
-				}
-			}
-			fclose(f);
-		}
-
-		/* read leap second status file - also helps determine lock */
-		if (f = fopen("/tmp/stats-leap", "r")) {
-			if (fgets(buffer, sizeof(buffer), f)) {
-				buffer[strcspn(buffer, "\n\r\t")] = '\0';
-				l.no_gps_lock = !strcmp(buffer, "Not synchronised");
-				l.leap_second = strcmp(buffer, "Normal");
-			}
-			fclose(f);
-		}
-
-		if (f = fopen("/tmp/stats-clock", "r")) {
-			if (fgets(buffer, sizeof(buffer), f)) {
-				const char *units[] = { "s", "ms", "µs", "ns", "ps", "fs" };
-				int i = 0;
-				double offset = fabs(strtod(buffer, NULL));
-				while (offset < 1 && i < sizeof(units)/sizeof(units[0]) - 1) {
-					i++;
-					offset *= 1000;
-				}
-				l.offset = offset;
-				strncpy(l.offset_units, units[i], sizeof(l.offset_units));
-			}
-			fclose(f);
-		}
-		sem_wait(&data_lock);
-		publish_clock_data(&l);
-		sem_post(&data_lock);
-		sleep(5);
-	}
-}
-
-const char *get_th_suffix(unsigned int day)
-{
-	if (11 <= day && day <= 19) {
-		return "th";
-	} else {
-		switch (day % 10) {
-			case 1: return "st";
-			case 2: return "nd";
-			case 3: return "rd";
-			default: /* 0, 4-9 */
-				return "th";
-		}
-	}
-}
-
-TTF_Font *loadFont(const char *file, int size)
-{
-	TTF_Font *font = TTF_OpenFont(file, size);
-	if (!font) {
-		printf("Error: TTF_OpenFont: %s\n", TTF_GetError());
-		return NULL;
-	}
-	return font;
-}
-
-void renderTexture(SDL_Texture *tex, SDL_Renderer *ren, int x, int y){
-	//Setup the destination rectangle to be at the position we want
-	SDL_Rect dst;
-	dst.x = x;
-	dst.y = y;
-	//Query the texture to get its width and height to use
-	SDL_QueryTexture(tex, NULL, NULL, &dst.w, &dst.h);
-	SDL_RenderCopy(ren, tex, NULL, &dst);
-}
-
-
-SDL_Texture* renderText(const char *message, TTF_Font *font, SDL_Color color, SDL_Renderer *renderer)
-{
-	//We need to first render to a surface as that's what TTF_RenderText
-	//returns, then load that surface into a texture
-	SDL_Surface *surf = TTF_RenderUTF8_Blended(font, message, color);
-	if (!surf){
-		printf("Error in TTF_RenderUTF8_Blended\n");
-		return NULL;
-	}
-	SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surf);
-	if (!texture){
-		printf("Error in SDL_CreateTextureFromSurface\n");
-	}
-	//Clean up the surface and font
-	SDL_FreeSurface(surf);
-	return texture;
-}
-
-int drawText(const char *text, TTF_Font *font, SDL_Color color, SDL_Renderer *renderer, int x, int y, enum ALIGN_MODE mode) {
-	/* FIXME does this need better error detection */
-	int text_w;
-	SDL_Texture *image;
-	image = renderText(text, font, color, renderer);
-	SDL_QueryTexture(image, NULL, NULL, &text_w, NULL);
-
-	if (mode == ALIGN_MODE_CENTRE) {
-		x = SCREEN_WIDTH / 2 - text_w / 2;
-	} else if (mode == ALIGN_MODE_RIGHT) {
-		x -= text_w;
-	}
-	renderTexture(image, renderer, x, y);
-	SDL_DestroyTexture(image);
-	return x + (mode == ALIGN_MODE_RIGHT? 0 : 1) * text_w;
-}
-
-int main(void)
-{
-	struct clock_data l;
-
-	/* initial unread indicator value */
-	shared_data.is_unread = 0;
-
-	strncpy(l.sunrise_time, "??:??", sizeof(l.sunrise_time));
-	strncpy(l.sunset_time, "??:??", sizeof(l.sunset_time));
-	l.sat_seen  = 0;
-	l.sat_used  = 0;
-	l.leap_second = 0;
-	l.offset = 0;
-	strncpy(l.offset_units, "?", sizeof(l.offset_units));
-	l.no_gps_lock = 1;
-
-	if (sem_init(&data_lock, 0, 1)) {
-		perror("sem_init");
-		return 1;
-	}
-
-	int stop = 0;
-	SDL_Event e;
-	SDL_Window *window;
-
-	SDL_Init(SDL_INIT_VIDEO);
-	TTF_Init();
-
-	TTF_Font *mainTimeFont = loadFont("/usr/share/fonts/TTF/RobotoMono-Regular.ttf", 325);
-	TTF_Font *noLockFont = loadFont("/usr/share/fonts/TTF/Roboto-Regular.ttf", 130);
-	TTF_Font *secondsFont = loadFont("/usr/share/fonts/TTF/RobotoMono-Regular.ttf", 30);
-
-	TTF_Font *dateFont = loadFont("/usr/share/fonts/TTF/Roboto-Regular.ttf", 50);
-	TTF_Font *dateSymbolFont = loadFont("/usr/share/fonts/TTF/Symbola.ttf", 50);
-
-	TTF_Font *ntpInfoFont= loadFont("/usr/share/fonts/TTF/Roboto-Regular.ttf", 30);
-	TTF_Font *ntpSymbolFont = loadFont("/usr/share/fonts/TTF/Symbola.ttf", 30);
-	if (   !ntpSymbolFont
-	    || !dateSymbolFont
-	    || !mainTimeFont
-	    || !dateFont
-	    || !secondsFont
-	    || !ntpInfoFont) {
-		return 1;
-	}
-
-	/* launch pthread */
-	pthread_t thread;
-	if (pthread_create(&thread, NULL, read_stats, NULL) != 0) {
-		perror("pthread_create");
-		return 1;
-	}
-
-	window = SDL_CreateWindow(WINDOW_TITLE, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_OPENGL);
-	if (!window) {
-		printf("Could not create window: %s\n", SDL_GetError());
-		return 1;
-	}
-
-	SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
-	if (!renderer) {
-		SDL_DestroyWindow(window);
-		printf("SDL_CreateRenderer Error\n");
-		SDL_Quit();
-		return 1;
-	}
-
-	while (!stop)
-	{
-		while (SDL_PollEvent(&e)){
-			if (   e.type == SDL_QUIT
-			    || e.type == SDL_KEYDOWN && e.key.keysym.sym == SDLK_q) {
-				stop = 1;
-			}
-		}
-		char text[64];
-		time_t t;
-		struct tm *time_s;
-
-
-		SDL_Texture *image;
-		int text_w;
-
-		SDL_RenderClear(renderer);
-
-		t = time(NULL);
-		if ((time_s = localtime(&t)) == NULL) {
-			/* FIXME error */
-			continue;
-		}
-
-		int next_x = 0;
-
-		sem_wait(&data_lock);
-		if (shared_data.is_unread) {
-			get_clock_data(&l);
-			shared_data.is_unread = 0;
-		}
-		sem_post(&data_lock);
-
-		if (l.sat_seen == 0 || l.sat_used == 0 || l.no_gps_lock) {
-			drawText("No GPS Lock", noLockFont, COLOUR_WHITE, renderer, 0, NO_LOCK_Y, ALIGN_MODE_CENTRE);
-		} else {
-			/* Have GPS lock, go for it */
-			/**/
-			strftime(text, sizeof(text), "%H%M", time_s);
-			drawText(text, mainTimeFont, COLOUR_WHITE, renderer, TIME_X, TIME_Y, ALIGN_MODE_CENTRE);
-			/**/
-
-			/********************/
-			/* Draws a date string, normally like:
-			 *    Monday the 25th
-			 *    February, 2019
-			 */
-			strftime(text, sizeof(text), "%A", time_s);
-			next_x = drawText(text, dateFont, COLOUR_WHITE, renderer, DATE_1_X, DATE_1_Y, ALIGN_MODE_LEFT);
-
-			next_x = drawText(" the ", dateFont, COLOUR_40GRAY, renderer, next_x, DATE_1_Y, ALIGN_MODE_LEFT);
-
-			snprintf(text, sizeof(text), "%d%s", time_s->tm_mday, get_th_suffix(time_s->tm_mday));
-			next_x = drawText(text, dateFont, COLOUR_WHITE, renderer, next_x, DATE_1_Y, ALIGN_MODE_LEFT);
-			next_x = drawText(".", dateFont, COLOUR_40GRAY, renderer, next_x, DATE_1_Y, ALIGN_MODE_LEFT);
-
-			strftime(text, sizeof(text), "%B", time_s);
-			next_x = drawText(text, dateFont, COLOUR_WHITE, renderer, DATE_2_X, DATE_2_Y, ALIGN_MODE_LEFT);
-
-			next_x = drawText(", ", dateFont, COLOUR_40GRAY, renderer, next_x, DATE_2_Y, ALIGN_MODE_LEFT);
-
-			strftime(text, sizeof(text), "%Y", time_s);
-			next_x = drawText(text, dateFont, COLOUR_WHITE, renderer, next_x, DATE_2_Y, ALIGN_MODE_LEFT);
-			/********************/
-
-			/**/
-			strftime(text, sizeof(text), ":%S", time_s);
-			next_x = drawText(text, secondsFont, COLOUR_WHITE, renderer, SECONDS_X, SECONDS_Y, ALIGN_MODE_LEFT);
-			/**/
-
-			/**/
-			next_x = drawText("⏰ ", ntpSymbolFont, COLOUR_40GRAY, renderer, NTP_INFO_X, NTP_INFO_Y, ALIGN_MODE_LEFT);
-			snprintf(text, sizeof(text), " RMS %d %s%s     ", l.offset, l.offset_units,
-				l.leap_second ? ", Leap second coming!" : "");
-			next_x = drawText(text, ntpInfoFont, COLOUR_40GRAY, renderer, next_x, NTP_INFO_Y, ALIGN_MODE_LEFT);
-			/**/
-
-			/**/
-			next_x = drawText(l.sunrise_time, dateFont, COLOUR_WHITE, renderer, SUN_INFO_X, SUN_INFO_1_Y, ALIGN_MODE_RIGHT);
-			next_x = drawText("☀⬆", dateSymbolFont, COLOUR_YELLOW, renderer, next_x, SUN_INFO_1_Y, ALIGN_MODE_RIGHT);
-			next_x = drawText(l.sunset_time, dateFont, COLOUR_WHITE, renderer, SUN_INFO_X, SUN_INFO_2_Y, ALIGN_MODE_RIGHT);
-			next_x = drawText("☀⬇", dateSymbolFont, COLOUR_YELLOW, renderer, next_x, SUN_INFO_2_Y, ALIGN_MODE_RIGHT);
-	//		next_x = drawText("⭡05:45 ↓20:13", dateFont, COLOUR_WHITE, renderer, SUN_INFO_X, SUN_INFO_Y);
-			/**/
-		}
-		/**/
-		next_x = drawText("🛰 ", ntpSymbolFont, COLOUR_40GRAY, renderer, SAT_INFO_X, SAT_INFO_Y, ALIGN_MODE_LEFT);
-		snprintf(text, sizeof(text), "%d (%d used)", l.sat_seen, l.sat_used);
-		next_x = drawText(text, ntpInfoFont, COLOUR_40GRAY, renderer, next_x, NTP_INFO_Y, ALIGN_MODE_LEFT);
-		/**/
-		SDL_RenderPresent(renderer);
-		SDL_Delay(100);
-	}
-
-	SDL_DestroyWindow(window);
-	SDL_Quit();
-	return 0;
-}
-