Fix typos all over the code

src/avrdude.1

@@ -115,7 +115,7 @@ programmer type can be used to directly connect to and program a chip
 using the built in interfaces on the computer. The requirements to use
 this type are that an SPI interface is exposed along with one GPIO
 pin. The GPIO serves as the reset output since the Linux SPI drivers
-do not hold slave select down when a transfer is not occuring and thus
+do not hold slave select down when a transfer is not occurring and thus
 it cannot be used as the reset pin. A readily available level
 translator should be used between the SPI bus/reset GPIO and the chip
 to avoid potentially damaging the computer's SPI controller in the
@@ -244,7 +244,7 @@ The Micronucleus bootloader is supported for both protocol version V1
 and V2. As the bootloader does not support reading from flash memory,
 use the
 .Fl V
-option to prevent AVRDUDE from verifing the flash memory.
+option to prevent AVRDUDE from verifying the flash memory.
 See the section on
 .Em extended parameters
 for Micronucleus specific options.
@@ -549,9 +549,9 @@ be specified as
 Libhidapi support is required on Unix and Mac OS but not on Windows. For more
 information about AVR-Doper see http://www.obdev.at/avrusb/avrdoper.html.
 .Pp
-For the USBtinyISP, which is a simplicistic device not implementing
+For the USBtinyISP, which is a simplistic device not implementing
 serial numbers, multiple devices can be distinguished by their
-location in the USB hierarchy.  See the the respective
+location in the USB hierarchy.  See the respective
 .Em Troubleshooting
 entry in the detailed documentation for examples.
 .Pp
@@ -599,10 +599,10 @@ Posix systems (by now).
 Disable (or quell) output of the progress bar while reading or writing
 to the device.  Specify it a second time for even quieter operation.
 .It Fl s
-Disable safemode prompting.  When safemode discovers that one or more
+Disable safemode prompting. When safemode discovers that one or more
 fuse bits have unintentionally changed, it will prompt for
 confirmation regarding whether or not it should attempt to recover the
-fuse bit(s).  Specifying this flag disables the prompt and assumes
+fuse bit(s). Specifying this flag disables the prompt and assumes
 that the fuse bit(s) should be recovered without asking for
 confirmation first.
 .It Fl t

src/avrdude.h

@@ -26,15 +26,15 @@ extern char progbuf[];		/* spaces same length as progname */
 
 extern int ovsigck;		/* override signature check (-F) */
 extern int verbose;		/* verbosity level (-v, -vv, ...) */
-extern int quell_progress;	/* quiteness level (-q, -qq) */
+extern int quell_progress;	/* quietness level (-q, -qq) */
 
 int avrdude_message(const int msglvl, const char *format, ...);
 
-#define MSG_INFO    (0) /* no -v option, can be supressed with -qq */
+#define MSG_INFO    (0) /* no -v option, can be suppressed with -qq */
 #define MSG_NOTICE  (1) /* displayed with -v */
 #define MSG_NOTICE2 (2) /* displayed with -vv, used rarely */
 #define MSG_DEBUG   (3) /* displayed with -vvv */
-#define MSG_TRACE   (4) /* displayed with -vvvv, show trace commuication */
+#define MSG_TRACE   (4) /* displayed with -vvvv, show trace communication */
 #define MSG_TRACE2  (5) /* displayed with -vvvvv */
 
 #if defined(WIN32NATIVE)

src/config_gram.y

@@ -285,7 +285,7 @@ prog_def :
       id = ldata(lfirst(current_prog->id));
       existing_prog = locate_programmer(programmers, id);
       if (existing_prog) {
-        { /* temporarly set lineno to lineno of programmer start */
+        { /* temporarily set lineno to lineno of programmer start */
           int temp = lineno; lineno = current_prog->lineno;
           yywarning("programmer %s overwrites previous definition %s:%d.",
                 id, existing_prog->config_file, existing_prog->lineno);
@@ -377,7 +377,7 @@ part_def :
 
       existing_part = locate_part(part_list, current_part->id);
       if (existing_part) {
-        { /* temporarly set lineno to lineno of part start */
+        { /* temporarily set lineno to lineno of part start */
           int temp = lineno; lineno = current_part->lineno;
           yywarning("part %s overwrites previous definition %s:%d.",
                 current_part->id,

src/configure.ac

@@ -234,7 +234,7 @@ AC_CHECK_LIB([ws2_32], [puts])
 # Checks for library functions.
 AC_CHECK_FUNCS([memset select strcasecmp strdup strerror strncasecmp strtol strtoul gettimeofday usleep getaddrinfo])
 
-AC_MSG_CHECKING([for a Win32 HID libray])
+AC_MSG_CHECKING([for a Win32 HID library])
 SAVED_LIBS="${LIBS}"
 case $target in
         *-*-mingw32* | *-*-cygwin* | *-*-windows*)
@@ -435,7 +435,7 @@ else
 fi
 
 
-# If we are compiling with gcc, enable all warning and make warnings errors.
+# If we are compiling with gcc, enable all warnings and make warnings errors.
 if test "$GCC" = yes; then
     ENABLE_WARNINGS="-Wall"
 
@@ -519,7 +519,7 @@ AC_CONFIG_FILES([
 
 # The procedure to create avrdude.conf involves two steps.  First,
 # normal autoconf substitution will be applied, resulting in
-# avrdude.conf.tmp.  Finally, a sed command will be applied to filter
+# avrdude.conf.tmp. Finally, a sed command will be applied to filter
 # out unwanted parts (currently the parallel port programmer types)
 # based on previous configuration results, thereby producing the final
 # avrdude.conf file.

src/fileio.c

@@ -35,7 +35,7 @@
 #include <libelf/libelf.h>
 #endif
 #ifndef EM_AVR32
-#  define EM_AVR32 0x18ad         /* inofficial */
+#  define EM_AVR32 0x18ad         /* unofficial */
 #endif
 #endif
 
@@ -273,9 +273,9 @@ static int ihex_readrec(struct ihexrec * ihex, char * rec)
 /*
  * Intel Hex to binary buffer
  *
- * Given an open file 'inf' which contains Intel Hex formated data,
+ * Given an open file 'inf' which contains Intel Hex formatted data,
  * parse the file and lay it out within the memory buffer pointed to
- * by outbuf.  The size of outbuf, 'bufsize' is honored; if data would
+ * by outbuf. The size of outbuf, 'bufsize' is honored; if data would
  * fall outsize of the memory buffer outbuf, an error is generated.
  *
  * Return the maximum memory address within 'outbuf' that was written.
@@ -1120,7 +1120,7 @@ static int fileio_imm(struct fioparms * fio,
       p = strtok(filename, " ,");
       while (p != NULL && loc < size) {
         b = strtoul(p, &e, 0);
-	/* check for binary formated (0b10101001) strings */
+	/* check for binary formatted (0b10101001) strings */
 	b = (strncmp (p, "0b", 2))?
 	    strtoul (p, &e, 0):
 	    strtoul (p + 2, &e, 2);

src/flip2.c

@@ -215,7 +215,7 @@ int flip2_initialize(PROGRAMMER* pgm, AVRPART *part)
   /* A note about return values. Negative return values from this function are
    * interpreted as failure by main(), from where this function is called.
    * However such failures are interpreted as a device signature check failure
-   * and the user is adviced to use the -F option to override this check. In
+   * and the user is advised to use the -F option to override this check. In
    * our case, this is misleading, so we defer reporting an error until another
    * function is called. Thus, we always return 0 (success) from initialize().
    * I don't like this, but I don't want to mess with main().

src/linuxspi.c

@@ -66,7 +66,7 @@ static int fd_spidev, fd_gpiochip, fd_linehandle;
 
 /**
  * @brief Sends/receives a message in full duplex mode
- * @return -1 on failure, otherwise number of bytes sent/recieved
+ * @return -1 on failure, otherwise number of bytes sent/received
  */
 static int linuxspi_spi_duplex(PROGRAMMER *pgm, const unsigned char *tx, unsigned char *rx, int len)
 {

src/main.c

@@ -1109,7 +1109,7 @@ int main(int argc, char * argv [])
   pgm->vfy_led(pgm, OFF);
 
   /*
-   * initialize the chip in preperation for accepting commands
+   * initialize the chip in preparation for accepting commands
    */
   init_ok = (rc = pgm->initialize(pgm, p)) >= 0;
   if (!init_ok) {

src/pindefs.c

@@ -146,7 +146,7 @@ int pgm_fill_old_pins(struct programmer_t * const pgm) {
 /**
  * This function returns a string representation of pins in the mask eg. 1,3,5-7,9,12
  * Another execution of this function will overwrite the previous result in the static buffer.
- * Consecutive pin number are representated as start-end.
+ * Consecutive pin number are represented as start-end.
  *
  * @param[in] pinmask the pin mask for which we want the string representation
  * @returns pointer to a static string.

src/updi_readwrite.c

@@ -141,7 +141,7 @@ int updi_read_data(PROGRAMMER * pgm, uint32_t address, uint8_t * buffer, uint16_
         self.logger.debug("Reading %d bytes from 0x%04X", size, address)
         # Range check
         if size > constants.UPDI_MAX_REPEAT_SIZE:
-            raise PymcuprogError("Cant read that many bytes in one go")
+            raise PymcuprogError("Can't read that many bytes in one go")
 
         # Store the address
         self.datalink.st_ptr(address)
@@ -242,7 +242,7 @@ int updi_read_data_words(PROGRAMMER * pgm, uint32_t address, uint8_t * buffer, u
 
         # Range check
         if words > constants.UPDI_MAX_REPEAT_SIZE >> 1:
-            raise PymcuprogError("Cant read that many words in one go")
+            raise PymcuprogError("Can't read that many words in one go")
 
         # Store the address
         self.datalink.st_ptr(address)

src/usbtiny.c

@@ -109,7 +109,7 @@ static int usb_control (PROGRAMMER * pgm,
 			    USB_ENDPOINT_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 			    requestid,
 			    val, index,           // 2 bytes each of data
-			    NULL, 0,              // no data buffer in control messge
+			    NULL, 0,              // no data buffer in control message
 			    USB_TIMEOUT );        // default timeout
   if(nbytes < 0){
     avrdude_message(MSG_INFO, "\n%s: error: usbtiny_transmit: %s\n", progname, usb_strerror());
@@ -128,7 +128,7 @@ static int usb_in (PROGRAMMER * pgm,
   int timeout;
   int i;
 
-  // calculate the amout of time we expect the process to take by
+  // calculate the amount of time we expect the process to take by
   // figuring the bit-clock time and buffer size and adding to the standard USB timeout.
   timeout = USB_TIMEOUT + (buflen * bitclk) / 1000;
 
@@ -167,7 +167,7 @@ static int usb_out (PROGRAMMER * pgm,
   int nbytes;
   int timeout;
 
-  // calculate the amout of time we expect the process to take by
+  // calculate the amount of time we expect the process to take by
   // figuring the bit-clock time and buffer size and adding to the standard USB timeout.
   timeout = USB_TIMEOUT + (buflen * bitclk) / 1000;
 
@@ -186,7 +186,7 @@ static int usb_out (PROGRAMMER * pgm,
   return nbytes;
 }
 
-/* Reverse the bits in a byte.  Needed since TPI uses little-endian
+/* Reverse the bits in a byte. Needed since TPI uses little-endian
    bit order (LSB first) whereas SPI uses big-endian (MSB first).*/
 static unsigned char reverse(unsigned char b) {
   return
@@ -200,7 +200,7 @@ static unsigned char reverse(unsigned char b) {
     | ((b & 0x80) >> 7);
 }
 
-/* Calculate even parity.  */
+/* Calculate even parity. */
 static unsigned char tpi_parity(unsigned char b)
 {
   unsigned char parity = 0;
@@ -215,9 +215,9 @@ static unsigned char tpi_parity(unsigned char b)
 }
 
 /* Encode 1 start bit (0), 8 data bits, 1 parity, 2 stop bits (1)
-   inside 16 bits.  The data is padded to 16 bits by 4 leading 1s
+   inside 16 bits. The data is padded to 16 bits by 4 leading 1s
-   (which will be ignored since they're not start bits).  This layout
+   (which will be ignored since they're not start bits). This layout
-   enables a write to be followed by a read.  */
+   enables a write to be followed by a read. */
 static unsigned short tpi_frame(unsigned char b) {
   return LITTLE_TO_BIG_16(0xf000 |
 			  (reverse(b) << 3) |
@@ -225,8 +225,8 @@ static unsigned short tpi_frame(unsigned char b) {
 			  TPI_STOP_BITS);
 }
 
-/* Transmit a single byte encapsulated in a 32-bit transfer.  Unused
+/* Transmit a single byte encapsulated in a 32-bit transfer. Unused
-   bits are padded with 1s.  */
+   bits are padded with 1s. */
 static int usbtiny_tpi_tx(PROGRAMMER *pgm, unsigned char b0)
 {
   unsigned char res[4];
@@ -239,8 +239,8 @@ static int usbtiny_tpi_tx(PROGRAMMER *pgm, unsigned char b0)
   return 1;
 }
 
-/* Transmit a two bytes encapsulated in a 32-bit transfer.  Unused
+/* Transmit a two bytes encapsulated in a 32-bit transfer. Unused
-   bits are padded with 1s.  */
+   bits are padded with 1s. */
 static int usbtiny_tpi_txtx(PROGRAMMER *pgm,
 			    unsigned char b0, unsigned char b1)
 {
@@ -269,11 +269,11 @@ static int usbtiny_tpi_txrx(PROGRAMMER *pgm, unsigned char b0)
     return -1;
 
   w = (res[2] << 8) | res[3];
-  /* Look for start bit (there shoule be no more than two 1 bits): */
+  /* Look for start bit (there should be no more than two 1 bits): */
   while (w < 0)
     w <<= 1;
   /* Now that we found the start bit, the top 9 bits contain the start
-     bit and the 8 data bits, but the latter in reverse order.  */
+     bit and the 8 data bits, but the latter in reverse order. */
   r = reverse(w >> 7);
   if (tpi_parity(r) != ((w >> 6) & 1)) {
     fprintf(stderr, "%s: parity bit is wrong\n", __func__);
@@ -336,7 +336,7 @@ static	int	usbtiny_open(PROGRAMMER* pgm, char* name)
   }
 
   usb_init();                    // initialize the libusb system
-  usb_find_busses();             // have libusb scan all the usb busses available
+  usb_find_busses();             // have libusb scan all the usb buses available
   usb_find_devices();            // have libusb scan all the usb devices available
 
   PDATA(pgm)->usb_handle = NULL;
@@ -357,7 +357,7 @@ static	int	usbtiny_open(PROGRAMMER* pgm, char* name)
   }
   
 
-  // now we iterate through all the busses and devices
+  // now we iterate through all the buses and devices
   for ( bus = usb_busses; bus; bus = bus->next ) {
     for	( dev = bus->devices; dev; dev = dev->next ) {
       if (dev->descriptor.idVendor == vid
@@ -557,9 +557,9 @@ int usbtiny_cmd_tpi(PROGRAMMER * pgm, const unsigned char *cmd,
   int tx, rx, r;
 
   /* Transmits command two bytes at the time until we're down to 0 or
-     1 command byte.  Then we're either done or we transmit the final
+     1 command byte. Then we're either done or we transmit the final
-     byte optionally followed by reading 1 byte.  With the current TPI
+     byte optionally followed by reading 1 byte. With the current TPI
-     protocol, we never receive more than one byte.  */
+     protocol, we never receive more than one byte. */
   for (tx = rx = 0; tx < cmd_len; ) {
     b0 = cmd[tx++];
     if (tx < cmd_len) {
@@ -714,7 +714,7 @@ static int usbtiny_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
 		m->buf + addr,  // Pointer to data
 		chunk,          // Number of bytes to write
 		32 * PDATA(pgm)->sck_period + delay  // each byte gets turned into a
-	                             // 4-byte SPI cmd  usb_out() multiplies
+	                             // 4-byte SPI cmd usb_out() multiplies
 	                             // this per byte. Then add the cmd-delay
 		) < 0) {
       return -1;