Rename comm.cpp -> comm.ino

Due to Serial usage which needs preprocessing.

1 files changed, 0 insertions, 110 deletions

diff --git a/Venus_Skeleton/comm.cpp b/Venus_Skeleton/comm.cpp
deleted file mode 100644
index d60138e..0000000
--- a/Venus_Skeleton/comm.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/**
- * Serial communication module.
- */
-
-#include <stdbool.h>
-#include "definitions.h"
-#include "dataTypes.h"
-#include "comm.h"
-
-serial_state_t serial_state = SERIAL_UNKNOWN;
-
-static void handle_recv(int r);
-
-static void handle_ctrl(int r) {
-	// detect reset procedure
-	switch (r) {
-	case RESET1:
-		// reset request received, ack and wait for RESET2
-		Serial.write(ACK1);
-		serial_state = SERIAL_INIT;
-		return;
-	case RESET2:
-		if (serial_state == SERIAL_INIT) {
-			// Handshake completed!
-			Serial.write(ACK2);
-			serial_state = SERIAL_READY;
-		} else {
-			// invalid state, reject it
-			Serial.write(OUTOFSYNC);
-			serial_state = SERIAL_UNKNOWN;
-		}
-		return;
-	case PONG:
-		// TODO mark as alive if PING was previously sent
-		return;
-	}
-	// TODO commands for navigation? Use DATA_LEN, etc?
-}
-
-void handle_serial(data_t *data, int changedBits) {
-	// first attempt sync
-	while (Serial.available()) {
-		int r = Serial.read();
-
-		if ((r & 0xC0) == 0x80) {
-			// handle control packets
-			handle_ctrl(r);
-		// TODO if DATA_ESCAPE or DATA_LEN1, react appropriately
-		} else if (serial_state == SERIAL_READY) {
-			// handle normal data only when the handshake has completed.
-			handle_recv(r);
-		}
-	}
-
-	if (serial_state != SERIAL_READY) {
-		// Hardware is not ready, do not send data.
-		return;
-	}
-
-	// then send queued data
-}
-
-// writes data of length len
-static void serial_write_len(unsigned len) {
-	len--; // length on wire is one smaller (00 means 1 byte, 01 means 2, etc.)
-	if (len < 56) {
-		Serial.write(0x80 + len + 7);
-	} else if (len < DATA_MAX_SIZE) {
-		Serial.write(0x88 | (len >> 5));
-		Serial.write(0xA0 | (len & 0x1F));
-	} else {
-		// zero length or too long.
-	}
-}
-
-// write remainder of data
-static void serial_write_data(const char *data, unsigned len) {
-	for (unsigned i = 0; i < len; i++) {
-		char c = data[i];
-		if (c & 0x80) {
-			Serial.write(DATA_ESCAPE);
-			Serial.write(c & ~0x80);
-		} else {
-			Serial.write(c);
-		}
-	}
-}
-
-void serial_print_debug(const char *str) {
-	unsigned len = strlen(str);
-	const char c = DATA_DEBUG_PREFIX;
-
-	// only write data when the serial connection is ready
-	if (serial_state != SERIAL_READY) {
-		return;
-	}
-
-	while (len > 0) {
-		// len is no more than DATA_MAX_SIZE - 1 because of debug prefix
-		unsigned datalen = len >= DATA_MAX_SIZE ? DATA_MAX_SIZE - 1 : len;
-		// add one for the debug prefix
-		serial_write_len(1 + datalen);
-		serial_write_data(&c, 1);         /* write prefix */
-		serial_write_data(str, datalen);  /* write actual data payload */
-		len -= datalen;
-	}
-}
-
-static void handle_recv(int r) {
-}