Commit 475323e4 authored by Dean Camera's avatar Dean Camera
Browse files

Added new NO_BLOCK_SUPPORT, NO_EEPROM_BYTE_SUPPORT, NO_FLASH_BYTE_SUPPORT and...

Added new NO_BLOCK_SUPPORT, NO_EEPROM_BYTE_SUPPORT, NO_FLASH_BYTE_SUPPORT and NO_LOCK_BYTE_SUPPORT compile time options to the CDC class bootloader.
parent 46f2e488
......@@ -155,6 +155,7 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
}
}
#if !defined(NO_BLOCK_SUPPORT)
/** 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.
*
......@@ -236,15 +237,13 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
/* Increment the address counter after use */
CurrAddress += 2;
HighByte = false;
}
else
{
LowByte = FetchNextCommandByte();
HighByte = true;
}
HighByte = !HighByte;
}
else
{
......@@ -270,6 +269,7 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
WriteNextResponseByte('\r');
}
}
#endif
/** Retrieves the next byte from the host in the CDC data OUT endpoint, and clears the endpoint bank if needed
* to allow reception of the next data packet from the host.
......@@ -389,14 +389,6 @@ void CDC_Task(void)
WriteNextResponseByte(AVR_SIGNATURE_2);
WriteNextResponseByte(AVR_SIGNATURE_1);
}
else if (Command == 'b')
{
WriteNextResponseByte('Y');
/* Send block size to the host */
WriteNextResponseByte(SPM_PAGESIZE >> 8);
WriteNextResponseByte(SPM_PAGESIZE & 0xFF);
}
else if (Command == 'e')
{
/* Clear the application section of flash */
......@@ -413,6 +405,7 @@ void CDC_Task(void)
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
#if !defined(NO_LOCK_BYTE_SUPPORT)
else if (Command == 'l')
{
/* Set the lock bits to those given by the host */
......@@ -421,6 +414,7 @@ void CDC_Task(void)
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
#endif
else if (Command == 'r')
{
WriteNextResponseByte(boot_lock_fuse_bits_get(GET_LOCK_BITS));
......@@ -437,6 +431,22 @@ void CDC_Task(void)
{
WriteNextResponseByte(boot_lock_fuse_bits_get(GET_EXTENDED_FUSE_BITS));
}
#if !defined(NO_BLOCK_SUPPORT)
else if (Command == 'b')
{
WriteNextResponseByte('Y');
/* Send block size to the host */
WriteNextResponseByte(SPM_PAGESIZE >> 8);
WriteNextResponseByte(SPM_PAGESIZE & 0xFF);
}
else if ((Command == 'B') || (Command == 'g'))
{
/* Delegate the block write/read to a separate function for clarity */
ReadWriteMemoryBlock(Command);
}
#endif
#if !defined(NO_FLASH_BYTE_SUPPORT)
else if (Command == 'C')
{
/* Write the high byte to the current flash page */
......@@ -448,7 +458,7 @@ void CDC_Task(void)
else if (Command == 'c')
{
/* Write the low byte to the current flash page */
boot_page_fill(CurrAddress | 1, FetchNextCommandByte());
boot_page_fill(CurrAddress | 0x01, FetchNextCommandByte());
/* Increment the address */
CurrAddress += 2;
......@@ -467,11 +477,6 @@ void CDC_Task(void)
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
else if ((Command == 'B') || (Command == 'g'))
{
/* Delegate the block write/read to a separate function for clarity */
ReadWriteMemoryBlock(Command);
}
else if (Command == 'R')
{
#if (FLASHEND > 0xFFFF)
......@@ -483,6 +488,8 @@ void CDC_Task(void)
WriteNextResponseByte(ProgramWord >> 8);
WriteNextResponseByte(ProgramWord & 0xFF);
}
#endif
#if !defined(NO_EEPROM_BYTE_SUPPORT)
else if (Command == 'D')
{
/* Read the byte from the endpoint and write it to the EEPROM */
......@@ -502,13 +509,10 @@ void CDC_Task(void)
/* Increment the address after use */
CurrAddress += 2;
}
else if (Command == 27)
{
/* Escape is sync, ignore */
}
else
#endif
else if (Command != 27)
{
/* Unknown command, return fail code */
/* Unknown (non-sync) command, return fail code */
WriteNextResponseByte('?');
}
......
......@@ -116,7 +116,9 @@
void EVENT_USB_Device_ConfigurationChanged(void);
#if defined(INCLUDE_FROM_BOOTLOADERCDC_C) || defined(__DOXYGEN__)
#if !defined(NO_BLOCK_SUPPORT)
static void ReadWriteMemoryBlock(const uint8_t Command);
#endif
static uint8_t FetchNextCommandByte(void);
static void WriteNextResponseByte(const uint8_t Response);
#endif
......
......@@ -64,9 +64,27 @@
*
* <table>
* <tr>
* <td>
* None
* </td>
* <td>NO_BLOCK_SUPPORT</td>
* <td>Makefile LUFA_OPTS</td>
* <td>Define to disable memory block read/write support in the bootloader, requiring all reads and writes to be made
* using the byte-level commands.
* </tr>
* <tr>
* <td>NO_EEPROM_BYTE_SUPPORT</td>
* <td>Makefile LUFA_OPTS</td>
* <td>Define to disable EEPROM memory byte read/write support in the bootloader, requiring all EEPROM reads and writes
* to be made using the block-level commands.
* </tr>
* <tr>
* <td>NO_FLASH_BYTE_SUPPORT</td>
* <td>Makefile LUFA_OPTS</td>
* <td>Define to disable FLASH memory byte read/write support in the bootloader, requiring all FLASH reads and writes
* to be made using the block-level commands.
* </tr>
* <tr>
* <td>NO_LOCK_BYTE_SUPPORT</td>
* <td>Makefile LUFA_OPTS</td>
* <td>Define to disable lock byte write support in the bootloader, preventing the lock bits from being set progmatically.
* </tr>
* </table>
*/
......
......@@ -124,6 +124,11 @@ LUFA_OPTS += -D NO_DEVICE_REMOTE_WAKEUP
LUFA_OPTS += -D NO_STREAM_CALLBACKS
LUFA_OPTS += -D NO_SOF_EVENTS
#LUFA_OPTS += -D NO_BLOCK_SUPPORT
#LUFA_OPTS += -D NO_EEPROM_BYTE_SUPPORT
#LUFA_OPTS += -D NO_FLASH_BYTE_SUPPORT
#LUFA_OPTS += -D NO_LOCK_BYTE_SUPPORT
# Create the LUFA source path variables by including the LUFA root makefile
include $(LUFA_PATH)/LUFA/makefile
......
......@@ -37,7 +37,7 @@
#include "Descriptors.h"
/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
/** Device descriptor structure. This descriptor, located in SRAM memory, describes the overall
* device characteristics, including the supported USB version, control endpoint size and the
* number of device configurations. The descriptor is read out by the USB host when the enumeration
* process begins.
......@@ -64,7 +64,7 @@ USB_Descriptor_Device_t DeviceDescriptor =
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
};
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
/** Configuration descriptor structure. This descriptor, located in SRAM memory, describes the usage
* of the device in one of its supported configurations, including information about any device interfaces
* and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
* a configuration so that the host may correctly communicate with the USB device.
......@@ -115,7 +115,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
}
};
/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
/** Language descriptor structure. This descriptor, located in SRAM memory, is returned when the host requests
* the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
* via the language ID table available at USB.org what languages the device supports for its string descriptors.
*/
......
......@@ -32,6 +32,8 @@
* tasks for each driver is called
* - Added standard keyboard HID report scancode defines (thanks to László Monda)
* - Added new Pipe_GetBusyBanks(), Endpoint_GetBusyBanks() and Endpoint_AbortPendingIN() functions
* - Added new NO_BLOCK_SUPPORT, NO_EEPROM_BYTE_SUPPORT, NO_FLASH_BYTE_SUPPORT and NO_LOCK_BYTE_SUPPORT compile time options to the
* CDC class bootloader
*
* <b>Changed:</b>
* - Removed complicated logic for the Endpoint_ConfigureEndpoint() function to use inlined or function called versions
......
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