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Erik Strand
lufa
Commits
48e50b6b
Commit
48e50b6b
authored
Dec 14, 2009
by
Dean Camera
Browse files
Added memory erase handling to the PDI protocol in the AVRISP project.
parent
8a55d80e
Changes
3
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Projects/AVRISP/Lib/NVMTarget.c
View file @
48e50b6b
...
...
@@ -137,4 +137,31 @@ void NVMTarget_ReadMemory(uint32_t ReadAddress, uint8_t* ReadBuffer, uint16_t Re
}
}
void
NVMTarget_EraseMemory
(
uint8_t
EraseCommand
,
uint32_t
Address
)
{
NVMTarget_WaitWhileNVMControllerBusy
();
PDITarget_SendByte
(
PDI_CMD_STS
|
(
PDI_DATSIZE_4BYTES
<<
2
));
NVMTarget_SendNVMRegAddress
(
NVM_REG_CMD
);
PDITarget_SendByte
(
EraseCommand
);
if
(
EraseCommand
==
NVM_CMD_CHIPERASE
)
{
/* Set CMDEX bit in NVM CTRLA register to start the chip erase */
PDITarget_SendByte
(
PDI_CMD_STS
|
(
PDI_DATSIZE_4BYTES
<<
2
));
NVMTarget_SendNVMRegAddress
(
NVM_REG_CTRLA
);
PDITarget_SendByte
(
1
<<
0
);
}
else
{
/* Other erase modes just need us to address a byte within the target memory space */
PDITarget_SendByte
(
PDI_CMD_STS
|
(
PDI_DATSIZE_4BYTES
<<
2
));
NVMTarget_SendAddress
(
Address
);
PDITarget_SendByte
(
0x00
);
}
NVMTarget_WaitWhileNVMBusBusy
();
NVMTarget_WaitWhileNVMControllerBusy
();
}
#endif
Projects/AVRISP/Lib/NVMTarget.h
View file @
48e50b6b
...
...
@@ -117,5 +117,6 @@
void
NVMTarget_WaitWhileNVMControllerBusy
(
void
);
uint32_t
NVMTarget_GetMemoryCRC
(
uint8_t
MemoryCommand
);
void
NVMTarget_ReadMemory
(
uint32_t
ReadAddress
,
uint8_t
*
ReadBuffer
,
uint16_t
ReadSize
);
void
NVMTarget_EraseMemory
(
uint8_t
EraseCommand
,
uint32_t
Address
);
#endif
Projects/AVRISP/Lib/PDIProtocol.c
View file @
48e50b6b
...
...
@@ -154,11 +154,31 @@ static void PDIProtocol_Erase(void)
}
Erase_XPROG_Params
;
Endpoint_Read_Stream_LE
(
&
Erase_XPROG_Params
,
sizeof
(
Erase_XPROG_Params
));
Erase_XPROG_Params
.
Address
=
SwapEndian_32
(
Erase_XPROG_Params
.
Address
);
Endpoint_ClearOUT
();
Endpoint_SetEndpointDirection
(
ENDPOINT_DIR_IN
);
// TODO: Send erase command here via PDI protocol
uint8_t
EraseCommand
;
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_CHIP
)
EraseCommand
=
NVM_CMD_CHIPERASE
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_APP
)
EraseCommand
=
NVM_CMD_ERASEAPPSEC
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_BOOT
)
EraseCommand
=
NVM_CMD_ERASEBOOTSEC
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_EEPROM
)
EraseCommand
=
NVM_CMD_ERASEEEPROM
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_APP_PAGE
)
EraseCommand
=
NVM_CMD_ERASEAPPSECPAGE
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_BOOT_PAGE
)
EraseCommand
=
NVM_CMD_ERASEBOOTSECPAGE
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_EEPROM_PAGE
)
EraseCommand
=
NVM_CMD_ERASEEEPROMPAGE
;
else
if
(
Erase_XPROG_Params
.
MemoryType
==
XPRG_ERASE_USERSIG
)
EraseCommand
=
NVM_CMD_ERASEUSERSIG
;
NVMTarget_EraseMemory
(
EraseCommand
,
Erase_XPROG_Params
.
Address
);
Endpoint_Write_Byte
(
CMD_XPROG
);
Endpoint_Write_Byte
(
XPRG_CMD_ERASE
);
...
...
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