Protocol: moved udp code out of main.

An effor was made to increase modularity of device code. It was a
partial success. IP adress, communications port, and wifi login
details had to be made static and visible in main.

Time is scarce and I am not about to push this further.

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

1 files changed, 25 insertions, 0 deletions

diff --git a/src/device/udp.ino b/src/device/udp.ino
new file mode 100755
index 0000000..3074b65
--- /dev/null
+++ b/src/device/udp.ino
@@ -0,0 +1,25 @@
+#include "udp.h"

+#include <ESP8266WiFi.h>

+#include <WiFiUdp.h>

+

+static char udppacketbuffer[32] = {0};

+static char *udppacketcursor = NULL;

+

+void udp_init_packet(IPAddress ip, const int port)

+{

+	Udp.beginPacket(ip, port);

+	memset(udppacketbuffer, 0, sizeof(udppacketbuffer));

+	udppacketcursor = udppacketbuffer;

+}

+

+void udp_push(const void * const data, const size_t size)

+{

+	memcpy(udppacketcursor, data, size);

+	udppacketcursor += size;

+}

+

+int udp_flush(void)

+{

+	Udp.write((const uint8_t *) udppacketbuffer, udppacketcursor - udppacketbuffer);

+	return Udp.endPacket();

+}