Document inline SDP data read/write functions.

[pub/USBasp.git] / Bootloaders / CDC / BootloaderCDC.c

diff --git a/Bootloaders/CDC/BootloaderCDC.c b/Bootloaders/CDC/BootloaderCDC.c
index b2a278e..da2d0b6 100644 (file)
--- a/Bootloaders/CDC/BootloaderCDC.c
+++ b/Bootloaders/CDC/BootloaderCDC.c
@@ -36,17 +36,6 @@
 #define  INCLUDE_FROM_BOOTLOADERCDC_C
 #include "BootloaderCDC.h"
 
 #define  INCLUDE_FROM_BOOTLOADERCDC_C
 #include "BootloaderCDC.h"
 

-/** Line coding options for the virtual serial port. Although the virtual serial port data is never
- *  sent through a physical serial port, the line encoding data must still be read and preserved from
- *  the host, or the host will detect a problem and fail to open the port. This structure contains the
- *  current encoding options, including baud rate, character format, parity mode and total number of 
- *  bits in each data chunk.
- */
-CDC_Line_Coding_t LineCoding = { .BaudRateBPS = 9600,
-                                 .CharFormat  = OneStopBit,
-                                 .ParityType  = Parity_None,
-                                 .DataBits    = 8            };
-

 /** Current address counter. This stores the current address of the FLASH or EEPROM as set by the host,
  *  and is used when reading or writing to the AVRs memory (either FLASH or EEPROM depending on the issued
  *  command.)
 /** Current address counter. This stores the current address of the FLASH or EEPROM as set by the host,
  *  and is used when reading or writing to the AVRs memory (either FLASH or EEPROM depending on the issued
  *  command.)


@@ -124,63 +113,6 @@ void EVENT_USB_Device_ConfigurationChanged(void)
                                   ENDPOINT_BANK_SINGLE);
 }
 
                                   ENDPOINT_BANK_SINGLE);
 }
 

-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
- *  control requests that are not handled internally by the USB library, so that they can be handled appropriately
- *  for the application.
- */
-void EVENT_USB_Device_UnhandledControlRequest(void)
-{
-       uint8_t* LineCodingData = (uint8_t*)&LineCoding;
-
-       /* Process CDC specific control requests */
-       switch (USB_ControlRequest.bRequest)
-       {
-               case REQ_GetLineEncoding:
-                       if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
-                       {
-                               Endpoint_ClearSETUP();
-
-                               for (uint8_t i = 0; i < sizeof(LineCoding); i++)
-                                 Endpoint_Write_Byte(*(LineCodingData++));     
-                               
-                               Endpoint_ClearIN();
-                               
-                               Endpoint_ClearStatusStage();
-                       }
-                       
-                       break;
-               case REQ_SetLineEncoding:
-                       if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
-                       {
-                               Endpoint_ClearSETUP();
-
-                               while (!(Endpoint_IsOUTReceived()))
-                               {                               
-                                       if (USB_DeviceState == DEVICE_STATE_Unattached)
-                                         return;
-                               }
-                       
-                               for (uint8_t i = 0; i < sizeof(LineCoding); i++)
-                                 *(LineCodingData++) = Endpoint_Read_Byte();
-
-                               Endpoint_ClearOUT();
-
-                               Endpoint_ClearStatusStage();
-                       }
-       
-                       break;
-               case REQ_SetControlLineState:
-                       if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
-                       {
-                               Endpoint_ClearSETUP();
-                               
-                               Endpoint_ClearStatusStage();
-                       }
-       
-                       break;
-       }
-}
-

 /** Reads or writes a block of EEPROM or FLASH memory to or from the appropriate CDC data endpoint, depending
  *  on the AVR910 protocol command issued.
  *
 /** Reads or writes a block of EEPROM or FLASH memory to or from the appropriate CDC data endpoint, depending
  *  on the AVR910 protocol command issued.
  *


@@ -233,7 +165,7 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
                        else
                        {
                                /* Read the next EEPROM byte into the endpoint */
                        else
                        {
                                /* Read the next EEPROM byte into the endpoint */

-                               WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));
+                               WriteNextResponseByte(eeprom_read_byte((uint8_t*)(intptr_t)(CurrAddress >> 1)));

 
                                /* Increment the address counter after use */
                                CurrAddress += 2;
 
                                /* Increment the address counter after use */
                                CurrAddress += 2;


@@ -275,7 +207,7 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
                        else
                        {
                                /* Write the next EEPROM byte from the endpoint */
                        else
                        {
                                /* Write the next EEPROM byte from the endpoint */

-                               eeprom_write_byte((uint8_t*)(uint16_t)(CurrAddress >> 1), FetchNextCommandByte());                                      
+                               eeprom_write_byte((uint8_t*)((intptr_t)(CurrAddress >> 1)), FetchNextCommandByte());                                    

 
                                /* Increment the address counter after use */
                                CurrAddress += 2;
 
                                /* Increment the address counter after use */
                                CurrAddress += 2;


@@ -339,7 +271,7 @@ static void WriteNextResponseByte(const uint8_t Response)
                Endpoint_ClearIN();
                
                while (!(Endpoint_IsINReady()))
                Endpoint_ClearIN();
                
                while (!(Endpoint_IsINReady()))

-               {                               
+               {

                        if (USB_DeviceState == DEVICE_STATE_Unattached)
                          return;
                }
                        if (USB_DeviceState == DEVICE_STATE_Unattached)
                          return;
                }


@@ -367,7 +299,7 @@ void CDC_Task(void)
                {
                        if (Command == 'E')
                          RunBootloader = false;
                {
                        if (Command == 'E')
                          RunBootloader = false;

-                       if (Command == 'T')
+                       else if (Command == 'T')

                          FetchNextCommandByte();
 
                        /* Send confirmation byte back to the host */
                          FetchNextCommandByte();
 
                        /* Send confirmation byte back to the host */


@@ -377,7 +309,6 @@ void CDC_Task(void)
                {
                        /* Return ATMEGA128 part code - this is only to allow AVRProg to use the bootloader */
                        WriteNextResponseByte(0x44);
                {
                        /* Return ATMEGA128 part code - this is only to allow AVRProg to use the bootloader */
                        WriteNextResponseByte(0x44);

-

                        WriteNextResponseByte(0x00);
                }
                else if (Command == 'a')
                        WriteNextResponseByte(0x00);
                }
                else if (Command == 'a')


@@ -513,7 +444,7 @@ void CDC_Task(void)
                else if (Command == 'D')
                {
                        /* Read the byte from the endpoint and write it to the EEPROM */
                else if (Command == 'D')
                {
                        /* Read the byte from the endpoint and write it to the EEPROM */

-                       eeprom_write_byte((uint8_t*)((uint16_t)(CurrAddress >> 1)), FetchNextCommandByte());
+                       eeprom_write_byte((uint8_t*)((intptr_t)(CurrAddress >> 1)), FetchNextCommandByte());

                        
                        /* Increment the address after use */                   
                        CurrAddress += 2;
                        
                        /* Increment the address after use */                   
                        CurrAddress += 2;


@@ -524,7 +455,7 @@ void CDC_Task(void)
                else if (Command == 'd')
                {
                        /* Read the EEPROM byte and write it to the endpoint */
                else if (Command == 'd')
                {
                        /* Read the EEPROM byte and write it to the endpoint */

-                       WriteNextResponseByte(eeprom_read_byte((uint8_t*)((uint16_t)(CurrAddress >> 1))));
+                       WriteNextResponseByte(eeprom_read_byte((uint8_t*)((intptr_t)(CurrAddress >> 1))));

 
                        /* Increment the address after use */
                        CurrAddress += 2;
 
                        /* Increment the address after use */
                        CurrAddress += 2;