TCP mode

Modem/main.c

@@ -89,7 +89,9 @@ int main(void)
 	init();
 	// Record the current tick count for time-keeping
 	ticks_t start = timer_clock();
+	#if MP1_USE_TX_QUEUE
 		ticks_t frameQueued = 0;
+	#endif
 	
 	// Go into ye good ol' infinite loop
 	while (1)

Modem/protocol/mp1.c

@@ -412,11 +412,18 @@ void mp1Send(MP1 *mp1, void *_buffer, size_t length) {
 	// Open transmitter and wait for MP1_TXDELAY msecs
 	AFSK_HW_PTT_ON();
 	ticks_t start = timer_clock();
+	#if MP1_USE_TX_QUEUE
 	if (!mp1->queueProcessing) {
 		while (timer_clock() - start < ms_to_ticks(MP1_TXDELAY)) {
 			cpu_relax();
 		}
 	}
+	#else
+		while (timer_clock() - start < ms_to_ticks(MP1_TXDELAY)) {
+			cpu_relax();
+		}
+	#endif
+
 
 	// Get the transmit data buffer
 	uint8_t *buffer = (uint8_t *)_buffer;
@@ -534,11 +541,16 @@ void mp1Send(MP1 *mp1, void *_buffer, size_t length) {
 	kfile_putc(HDLC_FLAG, mp1->modem);
 
 	// Turn off manual PTT
+	#if MP1_USE_TX_QUEUE
 		if (!mp1->queueProcessing) AFSK_HW_PTT_OFF();
+	#else
+		AFSK_HW_PTT_OFF();
+	#endif
 }
 
 // This function accepts a frame and stores
 // it in the transmission queue
+#if MP1_USE_TX_QUEUE
 	void mp1QueueFrame(MP1 *mp1, void *_buffer, size_t length) {
 		if (mp1->queueLength < MP1_TX_QUEUE_LENGTH) {
 			uint8_t *buffer = (uint8_t *)_buffer;
@@ -546,9 +558,11 @@ void mp1QueueFrame(MP1 *mp1, void *_buffer, size_t length) {
 			memcpy(mp1->frameQueue[mp1->queueLength++], buffer, length);
 		}
 	}
+#endif
 
 // This function processes the transmission
 // queue.
+#if MP1_USE_TX_QUEUE
 	void mp1ProcessQueue(MP1 *mp1) {
 		int i = 0;
 		while (mp1->queueLength) {
@@ -558,6 +572,7 @@ void mp1ProcessQueue(MP1 *mp1) {
 		}
 		AFSK_HW_PTT_OFF();
 	}
+#endif
 
 // A simple form of P-persistent CSMA.
 // Everytime we have heard activity

Modem/protocol/mp1.h

@@ -8,6 +8,8 @@
 #define MP1_ENABLE_TCP_COMPATIBILITY false
 #if MP1_ENABLE_TCP_COMPATIBILITY
 	#define MP1_ENABLE_COMPRESSION false
+#else
+	#define MP1_ENABLE_COMPRESSION true
 #endif
 #define MP1_ENABLE_CSMA true
 
@@ -15,6 +17,7 @@
 #define MP1_INTERLEAVE_SIZE 12
 #if MP1_ENABLE_COMPRESSION
 	#define MP1_MAX_FRAME_LENGTH 22 * MP1_INTERLEAVE_SIZE
+	#define MP1_USE_TX_QUEUE false
 #else
 	#define MP1_MAX_FRAME_LENGTH 25 * MP1_INTERLEAVE_SIZE
 	#define MP1_USE_TX_QUEUE true

buildrev.h

@@ -1,2 +1,2 @@
-#define VERS_BUILD 1724
+#define VERS_BUILD 1734
 #define VERS_HOST  "shard"