pi_clock

commit 01d44d92294b276f65c73c99d3cb74178cebcc9b
parent 8596da5599f29122b8847eb1b19806de6672b76c
Author: Paco Esteban <paco@e1e0.net>
Date:   Mon, 23 Mar 2020 20:08:50 +0100

turn light on at night per push button.

Pushing the button while in backlight off mode it toggles it for
16 * sleepInterval (by default 250ms, so 4s)

Diffstat:
M
clock.c
 | 
27
++++++++++++++++++---------

1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/clock.c b/clock.c
@@ -30,7 +30,7 @@
 #define I2C_ADDRESS 0x3f
 #define BUTTON1 3
 
-const char *version = "v0.3.0";
+const char *version = "v0.4.0";
 
 void	setmonth(char *, int);
 void	setwday(char *, int);
@@ -58,6 +58,7 @@ main(int argc, char *argv[])
 	int readCount = 0;
 	int readInterval = 120;   // default 30s (250ms * 120)
 	int sleepInterval = 250;
+	int tmp_on_cycles = 0;
 	int ch;
 
 	while ((ch = getopt(argc, argv, "b:a:s:S:r:e:v")) != -1) {
@@ -122,7 +123,7 @@ main(int argc, char *argv[])
 		tm = *localtime(&t);
 
 		if (tm.tm_hour >= bl_before && tm.tm_hour <= bl_after) {
-			if (backlight_status) {
+			if (backlight_status && !tmp_on_cycles) {
 				LCD_I2C_BACKLIGHT_OFF(&lcd);
 				backlight_status = 0;
 			}
@@ -165,19 +166,27 @@ main(int argc, char *argv[])
 		lcd_i2c_puts(&lcd, line1);
 
 		if (digitalRead(BUTTON1) == LOW) {
-			if (strlen(script) > 2) {
-				fprintf(stderr, "calling '%s'\n", script);
-				system(script);
-			} else {
-				if (strlen(extFile) > 2) {
-					eflag = !eflag;
+			if (backlight_status) {
+				if (strlen(script) > 2) {
+					fprintf(stderr, "calling '%s'\n",
+					    script);
+					system(script);
 				} else {
-					fprintf(stderr, "Nothing to do\n");
+					if (strlen(extFile) > 2) {
+						eflag = !eflag;
+					}
 				}
+			} else {
+				LCD_I2C_BACKLIGHT_ON(&lcd);
+				backlight_status = 1;
+				tmp_on_cycles = 16;
 			}
 			delay(250);
 		}
 
+		if (tmp_on_cycles > 0)
+			tmp_on_cycles--;
+
 		delay(sleepInterval);
 	}