device: Device prints first meaningful data.

Device prints its own IP address and that of server daemon.

This commit is part of ticket #28.

Signed-off-by: Ramūnas Mažeikis <ramunasnezinomas@gmail.com>

1 files changed, 21 insertions, 10 deletions

diff --git a/src/device/main.ino b/src/device/main.ino
index 7e1cd54..77d4d28 100644
--- a/src/device/main.ino
+++ b/src/device/main.ino
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include "SSD1306Wire.h"
+#include "DejaVu_Sans_Mono_13.h"
 
 static char udppacketbuffer[32] = {0};
 static char *udppacketcursor = NULL;
@@ -33,7 +34,7 @@ static unsigned int led_state = 0;
 static const char servermagic[] = "I love coffee!";
 static const char clientmagic[] = "I love tea!";
 static const int com_port = 6996;
-IPAddress ip;
+IPAddress ip;	/* Daemon IP */
 WiFiUDP Udp;
 SSD1306Wire display(0x3c, 4, 5, GEOMETRY_128_32);
 
@@ -51,6 +52,7 @@ void setup(void)
 	extern const char * const ssid;
 	extern const char * const password;
 	pinMode(internal_led, OUTPUT);
+
 	toggle_led(internal_led);
 	init_OLED();
 	display.fillCircle(32, 16, 12);
@@ -67,32 +69,41 @@ void setup(void)
 /* the logic is a placeholder right now */
 void loop(void)
 {
-	/* sleep length to use */
-	static unsigned int delta = 2000;
-	static int dot_idx = 0;
+	static const String devstr = "Device IP:";
+	static const String daemonstr = "Daemon IP:";
+	static String prefix;
+	static IPAddress ip_to_print;
+	int print_dev_ip = 0;
+
+	static unsigned int delta = 2000; /* sleep length to use */
+	/* static int dot_idx = 0; */
+
 	delay(delta);
 	udp_init_packet(ip, com_port);
 	udp_push(clientmagic, sizeof(clientmagic));
 	udp_flush();
-
+#if 0
 	if (dot_idx >= 2) {
 		display.clear();
 		dot_idx = 0;
 	}
 	display.fillCircle(32 * (dot_idx + 1), 16, 12);
 	dot_idx++;
+#endif
+	prefix = (print_dev_ip) ? devstr : daemonstr;
+	ip_to_print = (print_dev_ip) ? ip : WiFi.localIP();
+	display.drawString(4, 4, prefix);
+	display.drawString(24, 24, ip_to_print.toString());
+	display.display();
+	print_dev_ip != print_dev_ip;
 }
 
 static void init_OLED(void)
 {
 	display.init();
 	display.flipScreenVertically();
-
-	/* Won't be useful until later on. */
-	/*
 	display.setTextAlignment(TEXT_ALIGN_LEFT);
-	display.setFont(DejaVu_Sans_28);
-	*/
+	display.setFont((uint8_t *)DejaVu_Sans_Mono_13);
 }
 
 /* toggle the bult-in led and return current state */