diff --git a/src/appserver.c b/src/appserver.c
index 147dfef2..b0ef7d87 100644
--- a/src/appserver.c
+++ b/src/appserver.c
@@ -320,7 +320,7 @@ static void poll_timing_test (void)
*
* data - Should look something like this for incoming:
* *** CONNECTED to Station xxx\r
- * and ths for my request being accepted:
+ * and this for my request being accepted:
* *** CONNECTED With Station xxx\r
*
* session_id - Session id to be used in data transfer and
diff --git a/src/audio.c b/src/audio.c
index 44d1cd11..b8cf6b11 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -821,7 +821,7 @@ static int poll_sndio (struct sio_hdl *hdl, int events)
revents = sio_revents (hdl, pfds);
} while (!(revents & (events | POLLHUP)));
- /* unrecoverable error occured */
+ /* unrecoverable error occurred */
if (revents & POLLHUP) {
text_color_set(DW_COLOR_ERROR);
dw_printf ("waited for %s, POLLHUP received\n", (events & POLLIN) ? "POLLIN" : "POLLOUT");
diff --git a/src/cm108.c b/src/cm108.c
index 189512d3..8c8fc5ed 100644
--- a/src/cm108.c
+++ b/src/cm108.c
@@ -304,7 +304,7 @@ static void usage(void)
dw_printf ("which ones can be used for GPIO PTT.\n");
#endif
dw_printf ("\n");
- dw_printf ("Specify the HID device path to test the PTT fuction.\n");
+ dw_printf ("Specify the HID device path to test the PTT function.\n");
dw_printf ("Its state should change once per second.\n");
#if __WIN32__
dw_printf ("You might need to quote the path depending on the command processor.\n");
@@ -854,7 +854,7 @@ void cm108_find_ptt (char *output_audio_device, char *ptt_device, int ptt_devic
*
* Future: For our initial implementation we are making the simplifying
* restriction of using only one GPIO pin per device and limit
- * configuratin to PTT only.
+ * configuration to PTT only.
* Longer term, we might want to have DCD, and maybe other
* controls thru the same chip.
* In this case, we would need to retain bit masks for each
diff --git a/src/decode_aprs.c b/src/decode_aprs.c
index 8763e04a..e8af0d7c 100644
--- a/src/decode_aprs.c
+++ b/src/decode_aprs.c
@@ -213,7 +213,7 @@ void decode_aprs (decode_aprs_t *A, packet_t pp, int quiet, int third_party)
// This must not be strict because the addresses in third party payload doesn't
// need to adhere to the AX.25 address format (i.e. 6 upper case alphanumeric.)
// SSID can be 2 alphanumeric characters.
- // Addresses can include lower case, e.g. q contruct.
+ // Addresses can include lower case, e.g. q construct.
// e.g. WR2X-2>APRS,WA1PLE-13*:}
// K1BOS-B>APOSB,TCPIP,WR2X-2*:@122015z4221.42ND07111.93W&/A=000000SharkRF openSPOT3 MMDVM446.025 MA/SW
@@ -1589,7 +1589,7 @@ static void aprs_message (decode_aprs_t *A, unsigned char *info, int ilen, int q
char colon; /* : */
char message[256-1-9-1]; /* Officially up to 67 characters for message text. */
/* Relaxing seemingly arbitrary restriction here; it doesn't need to fit on a punched card. */
- /* Wouldn't surprize me if others did not pay attention to the limit. */
+ /* Wouldn't surprise me if others did not pay attention to the limit. */
/* Optional { followed by 1-5 alphanumeric characters for message number */
/* If the first character is '?' it is a Directed Station Query. */
diff --git a/src/demod_9600.c b/src/demod_9600.c
index 1df60068..705d1fa7 100644
--- a/src/demod_9600.c
+++ b/src/demod_9600.c
@@ -133,7 +133,7 @@ static inline float agc (float in, float fast_attack, float slow_decay, float *p
* upsample - Factor to upsample the incoming stream.
* After a lot of experimentation, I discovered that
* it works better if the data is upsampled.
- * This reduces the jitter for PLL syncronization.
+ * This reduces the jitter for PLL synchronization.
*
* baud - Data rate in bits per second.
*
@@ -244,7 +244,7 @@ void demod_9600_init (enum modem_t modem_type, int original_sample_rate, int ups
// Here is the general idea.
//
// Suppose the input samples are 1 2 3 4 5 6 7 8 9 ...
-// Filter coefficents are a b c d e f g h i ...
+// Filter coefficients are a b c d e f g h i ...
//
// With original sampling rate, the filtering would involve multiplying and adding:
//
diff --git a/src/demod_afsk.c b/src/demod_afsk.c
index 35287977..f32137c5 100644
--- a/src/demod_afsk.c
+++ b/src/demod_afsk.c
@@ -588,7 +588,7 @@ void demod_afsk_init (int samples_per_sec, int baud, int mark_freq,
*
* First, let's take a look at Track 1 of the TNC test CD. Here the receiver
* has a flat response. We find the mark/space strength ratios very from 0.53 to 1.38
- * with a median of 0.81. This in in line with expections because most
+ * with a median of 0.81. This is in line with expectations because most
* transmitters add pre-emphasis to boost the higher audio frequencies.
* Track 2 should more closely resemble what comes out of the speaker on a typical
* transceiver. Here we see a ratio from 1.73 to 3.81 with a median of 2.48.
@@ -706,7 +706,7 @@ void demod_afsk_process_sample (int chan, int subchan, int sam, struct demodulat
// Rather than trying to find the best threshold location, use multiple
// slicer thresholds in parallel.
// The best slicing point will vary from packet to packet but should
- // remain abount the same or a given packet.
+ // remain about the same for a given packet.
// We are not performing the AGC step here but still want the envelope
// for caluculating the confidence level (or quality) of the sample.
diff --git a/src/dns_sd_avahi.c b/src/dns_sd_avahi.c
index 37c55473..63ce0b66 100644
--- a/src/dns_sd_avahi.c
+++ b/src/dns_sd_avahi.c
@@ -241,7 +241,7 @@ void dns_sd_announce (struct misc_config_s *mc)
/* Allocate a new client */
client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);
- /* Check wether creating the client object succeeded */
+ /* Check whether creating the client object succeeded */
if (!client) {
text_color_set(DW_COLOR_ERROR);
dw_printf(PRINT_PREFIX "Failed to create Avahi client: %s\n", avahi_strerror(error));
diff --git a/src/encode_aprs.c b/src/encode_aprs.c
index cb41661e..a4597f74 100644
--- a/src/encode_aprs.c
+++ b/src/encode_aprs.c
@@ -125,7 +125,7 @@ static int set_norm_position (char symtab, char symbol, double dlat, double dlon
* height - Feet.
* gain - dBi.
*
- * course - Degress, 0 - 360 (360 equiv. to 0).
+ * course - Degrees, 0 - 360 (360 equiv. to 0).
* Use G_UNKNOWN for none or unknown.
* speed - knots.
*
@@ -343,7 +343,7 @@ static int phg_data_extension (int power, int height, int gain, char *dir, char
*
* Purpose: Fill in parts of the course & speed data extension.
*
- * Inputs: course - Degress, 0 - 360 (360 equiv. to 0).
+ * Inputs: course - Degrees, 0 - 360 (360 equiv. to 0).
* Use G_UNKNOWN for none or unknown.
*
* speed - knots.
@@ -494,7 +494,7 @@ static int frequency_spec (float freq, float tone, float offset, char *presult)
* gain - dB. Not clear if it is dBi or dBd.
* dir - Directivity: N, NE, etc., omni.
*
- * course - Degress, 0 - 360 (360 equiv. to 0).
+ * course - Degrees, 0 - 360 (360 equiv. to 0).
* Use G_UNKNOWN for none or unknown.
* speed - knots. // TODO: should distinguish unknown(not revevant) vs. known zero.
*
@@ -636,7 +636,7 @@ int encode_position (int messaging, int compressed, double lat, double lon, int
* gain - dB. Not clear if it is dBi or dBd.
* dir - Direction: N, NE, etc., omni.
*
- * course - Degress, 0 - 360 (360 equiv. to 0).
+ * course - Degrees, 0 - 360 (360 equiv. to 0).
* Use G_UNKNOWN for none or unknown.
* speed - knots.
*
diff --git a/src/il2p_codec.c b/src/il2p_codec.c
index 0c0832cc..a20aed65 100644
--- a/src/il2p_codec.c
+++ b/src/il2p_codec.c
@@ -83,7 +83,7 @@ int il2p_encode_frame (packet_t pp, int max_fec, unsigned char *iout)
out_len = IL2P_HEADER_SIZE + IL2P_HEADER_PARITY;
if (e == 0) {
- // Sucess. No info part.
+ // Success. No info part.
return (out_len);
}
diff --git a/src/il2p_header.c b/src/il2p_header.c
index 347a2c35..9a1e9ea4 100644
--- a/src/il2p_header.c
+++ b/src/il2p_header.c
@@ -122,7 +122,7 @@ static int get_field (unsigned char *hdr, int bit_num, int lsb_index, int width)
// AX.25 'I' and 'UI' frames have a protocol ID which determines how the
-// information part should be interpretted.
+// information part should be interpreted.
// Here we squeeze the most common cases down to 4 bits.
// Return -1 if translation is not possible. Fall back to type 0 header in this case.
@@ -299,7 +299,7 @@ int il2p_type_1_header (packet_t pp, int max_fec, unsigned char *hdr)
if (frame_type == frame_type_U_UI) {
SET_UI(hdr, 1); // I guess this is how we distinguish 'I' and 'UI'
- // on the receving end.
+ // on the receiving end.
int pid = encode_pid(pp);
if (pid < 0) return (-1);
SET_PID(hdr, pid);
@@ -320,7 +320,7 @@ int il2p_type_1_header (packet_t pp, int max_fec, unsigned char *hdr)
// 1 1 1 Not valid (earlier protocol version)
//
// APRS does not mention how to set these bits and all 4 combinations
- // are seen in the wild. Apparently these are ignord on receive and no
+ // are seen in the wild. Apparently these are ignored on receive and no
// one cares. Here we copy from the C bit in the destination address.
// It should be noted that the case of both C bits being the same can't
// be represented so the il2p encode/decode bit not produce exactly the
diff --git a/src/il2p_init.c b/src/il2p_init.c
index bfab719b..533a2213 100644
--- a/src/il2p_init.c
+++ b/src/il2p_init.c
@@ -157,7 +157,7 @@ void il2p_encode_rs (unsigned char *tx_data, int data_size, int num_parity, unsi
* data_size bytes.
*
* Returns: -1 for unrecoverable.
- * >= 0 for sucess. Number of symbols corrected.
+ * >= 0 for success. Number of symbols corrected.
*
*--------------------------------------------------------------*/
diff --git a/src/il2p_payload.c b/src/il2p_payload.c
index b65c38a5..67c79a98 100644
--- a/src/il2p_payload.c
+++ b/src/il2p_payload.c
@@ -125,7 +125,7 @@ int il2p_payload_compute (il2p_payload_properties_t *p, int payload_size, int ma
* 0 for no blocks. (i.e. size zero)
* Number of bytes generated. Maximum IL2P_MAX_ENCODED_SIZE.
*
- * Note: I interpretted the protocol spec as saying the LFSR state is retained
+ * Note: I interpreted the protocol spec as saying the LFSR state is retained
* between data blocks. During interoperability testing, I found that
* was not the case. It is reset for each data block.
*
diff --git a/src/il2p_test.c b/src/il2p_test.c
index 2d6d432e..c983daff 100644
--- a/src/il2p_test.c
+++ b/src/il2p_test.c
@@ -957,7 +957,7 @@ void multi_modem_process_rec_packet (int chan, int subchan, int slice, packet_t
assert (strcmp(text, (char*)pinfo) == 0);
dw_printf ("Number of symbols corrected: %d\n", retries);
- if (polarity == 2) { // expecting errors corrrected.
+ if (polarity == 2) { // expecting errors corrected.
assert (retries == 10);
}
else { // should be no errors.
diff --git a/src/kiss_frame.h b/src/kiss_frame.h
index 8c2a75d0..47f3dfe5 100644
--- a/src/kiss_frame.h
+++ b/src/kiss_frame.h
@@ -66,7 +66,7 @@ typedef struct kiss_frame_s {
// This is used only for TCPKISS but it put in kissnet.h,
-// there would be a circular dependecy between the two header files.
+// there would be a circular dependency between the two header files.
// Each KISS TCP port has its own status block.
struct kissport_status_s {
diff --git a/src/mheard.c b/src/mheard.c
index 68f4b09e..e751c365 100644
--- a/src/mheard.c
+++ b/src/mheard.c
@@ -102,7 +102,7 @@ typedef struct mheard_s {
double dlat, dlon; // Last position. G_UNKNOWN for unknown.
- int msp; // Allow message sender positon report.
+ int msp; // Allow message sender position report.
// When non zero, an IS>RF position report is allowed.
// Then decremented.
@@ -778,7 +778,7 @@ void mheard_set_msp (char *callsign, int num)
*
* Inputs: callsign - Callsign for station which sent the "message."
*
- * Returns: The cound for the specified station.
+ * Returns: The count for the specified station.
* 0 if not found.
*
*------------------------------------------------------------------*/
diff --git a/src/symbols.c b/src/symbols.c
index 8572724b..ea79d788 100644
--- a/src/symbols.c
+++ b/src/symbols.c
@@ -298,7 +298,7 @@ static const char *search_locations[] = {
* Description: The primary and alternate symbol tables are constant
* so they are hardcoded.
* However the "new" sysmbols, which give new meanings to
- * overlayed symbols, are always evolving.
+ * overlaid symbols, are always evolving.
* For maximum flexibility, we will read the
* data file at run time rather than compiling it in.
*
@@ -386,7 +386,7 @@ void symbols_init (void)
text_color_set(DW_COLOR_ERROR);
dw_printf ("Warning: Could not open 'symbols-new.txt'.\n");
- dw_printf ("The \"new\" overlayed character information will not be available.\n");
+ dw_printf ("The \"new\" overlaid character information will not be available.\n");
new_sym_size = 1;
new_sym_ptr = calloc(new_sym_size, sizeof(new_sym_t)); /* Don't try again. */
@@ -681,7 +681,7 @@ void symbols_from_dest_or_src (char dti, char *src, char *dest, char *symtab, ch
// The position and object formats all contain a proper symbol and table.
// There doesn't seem to be much reason to have a symbol for something without
-// a postion because it would not show up on a map.
+// a position because it would not show up on a map.
// This just seems to be a remnant of something used long ago and no longer needed.
// The protocol spec mentions a "MIM tracker" but I can't find any references to it.
diff --git a/src/tnctest.c b/src/tnctest.c
index 72b6f609..0d4c26b4 100644
--- a/src/tnctest.c
+++ b/src/tnctest.c
@@ -615,7 +615,7 @@ void process_rec_data (int my_index, char *data)
* and sent to a common function to check that they
* all arrived in order.
*
- * Global Out: is_connected - Updated when connected/disconnected notfications are received.
+ * Global Out: is_connected - Updated when connected/disconnected notifications are received.
*
* Description: Perform any necessary configuration for the TNC then wait
* for responses and process them.
@@ -943,7 +943,7 @@ static void * tnc_thread_net (void *arg)
* and sent to a common function to check that they
* all arrived in order.
*
- * Global Out: is_connected - Updated when connected/disconnected notfications are received.
+ * Global Out: is_connected - Updated when connected/disconnected notifications are received.
*
* Description: Perform any necessary configuration for the TNC then wait
* for responses and process them.
@@ -1257,7 +1257,7 @@ static void tnc_send_data (int from, int to, char * data)
else {
// The assumption is that we are in CONVERS mode.
- // The data sould be terminated by carriage return.
+ // The data should be terminated by carriage return.
int timeout = 600; // 60 sec. I've seen it take more than 20.
while (timeout > 0 && busy[from]) {