Make TPI programming protocol program in words, not bytes to satisfy the datasheet conditions.

Projects/AVRISP-MKII/AVRISP.txt

@@ -156,7 +156,7 @@
  *
  *  <b><sup>1</sup></b> <i>Optional, see \ref SSec_Options section - for USB AVRs with ADC modules only</i> \n
  *  <b><sup>2</sup></b> <i>When XPROG_VIA_HARDWARE_USART is set, the AVR's Tx and Rx become the DATA line when connected together
- *                         via a pair of 300 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i> \n
+ *                         via a pair of 220 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i> \n
  *  <b><sup>3</sup></b> <i>See AUX line related tokens in the \ref SSec_Options section</i>
  *
  *  \section Sec_TPI TPI Connections
@@ -202,7 +202,7 @@
  *
  *  <b><sup>1</sup></b> <i>Optional, see \ref SSec_Options section - for USB AVRs with ADC modules only</i> \n
  *  <b><sup>2</sup></b> <i>When XPROG_VIA_HARDWARE_USART is set, the AVR's Tx and Rx become the DATA line when connected together
- *                         via a pair of 300 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i> \n
+ *                         via a pair of 220 ohm resistors, and the AVR's XCK pin becomes CLOCK.</i> \n
  *  <b><sup>3</sup></b> <i>See AUX line related tokens in the \ref SSec_Options section</i>
  *
  *  \section SSec_Options Project Options

Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c

@@ -141,11 +141,11 @@ bool TINYNVM_ReadMemory(const uint16_t ReadAddress, uint8_t* ReadBuffer, uint16_
 	return true;
 }
 
-/** Writes byte addressed memory to the target's memory spaces.
+/** Writes word addressed memory to the target's memory spaces.
  *
  *  \param[in]  WriteAddress  Start address to write to within the target's address space
  *  \param[in]  WriteBuffer   Buffer to source data from
- *  \param[in]  WriteLength   Total number of bytes to write to the device
+ *  \param[in]  WriteLength   Total number of bytes to write to the device (must be an integer multiple of 2)
  *
  *  \return Boolean true if the command sequence complete successfully
  */
@@ -155,6 +155,10 @@ bool TINYNVM_WriteMemory(const uint16_t WriteAddress, const uint8_t* WriteBuffer
 	if (!(TINYNVM_WaitWhileNVMControllerBusy()))
 	  return false;
 	  
+	/* Must have an integer number of words to write - if extra bytes, abort programming */
+	if (WriteLength & 0x01)
+	  return false;
+
 	/* Set the NVM control register to the WORD WRITE command for memory reading */
 	TINYNVM_SendWriteNVMRegister(XPROG_Param_NVMCMDRegAddr);
 	XPROGTarget_SendByte(TINY_NVM_CMD_WORDWRITE);
@@ -162,11 +166,22 @@ bool TINYNVM_WriteMemory(const uint16_t WriteAddress, const uint8_t* WriteBuffer
 	/* Send the address of the location to write to */
 	TINYNVM_SendPointerAddress(WriteAddress);
 	
-	while (WriteLength--)
+	while (WriteLength)
 	{
-		/* Write the byte of data to the target */
+		/* Wait until the NVM controller is no longer busy */
+		if (!(TINYNVM_WaitWhileNVMControllerBusy()))
+		  return false;
+
+		/* Write the low byte of data to the target */
 		XPROGTarget_SendByte(TPI_CMD_SST | TPI_POINTER_INDIRECT_PI);
 		XPROGTarget_SendByte(*(WriteBuffer++));
+		
+		/* Write the high byte of data to the target */
+		XPROGTarget_SendByte(TPI_CMD_SST | TPI_POINTER_INDIRECT_PI);
+		XPROGTarget_SendByte(*(WriteBuffer++));
+
+		/* Need to decrement the write length twice, since we read out a whole word */
+		WriteLength -= 2;
 	}
 	
 	return true;

Projects/Webserver/Lib/HTTPServerApp.c

@@ -67,9 +67,9 @@ MIME_Type_t PROGMEM MIMETypes[] =
 		{.Extension = "gif", .MIMEType = "image/gif"},
 		{.Extension = "bmp", .MIMEType = "image/bmp"},
 		{.Extension = "png", .MIMEType = "image/png"},
+		{.Extension = "ico", .MIMEType = "image/x-icon"},
 		{.Extension = "exe", .MIMEType = "application/octet-stream"},
 		{.Extension = "gz",  .MIMEType = "application/x-gzip"},
-		{.Extension = "ico", .MIMEType = "image/x-icon"},
 		{.Extension = "zip", .MIMEType = "application/zip"},
 		{.Extension = "pdf", .MIMEType = "application/pdf"},
 	};
@@ -125,7 +125,7 @@ void WebserverApp_Callback(void)
 		AppState->CurrentState = AppState->NextState;
 	}
 
-	if (uip_rexmit() || uip_newdata() || uip_acked() || uip_connected() || uip_poll())
+	if (uip_rexmit() || uip_acked() || uip_newdata() || uip_connected() || uip_poll())
 	{
 		switch (AppState->CurrentState)
 		{