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-rw-r--r--Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c63
1 files changed, 32 insertions, 31 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
index 22f4e93e0..322f2ea80 100644
--- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
@@ -1,7 +1,7 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
@@ -9,13 +9,13 @@
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
@@ -76,13 +76,13 @@ bool XMEGANVM_WaitWhileNVMBusBusy(void)
{
/* Send the LDCS command to read the PDI STATUS register to see the NVM bus is active */
XPROGTarget_SendByte(PDI_CMD_LDCS | PDI_STATUS_REG);
-
+
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
-
+
/* We might have timed out waiting for the status register read response, check here */
if (!(TimeoutTicksRemaining))
return false;
-
+
/* Check the status register read response to see if the NVM bus is enabled */
if (StatusRegister & PDI_STATUS_NVM)
return true;
@@ -102,7 +102,7 @@ bool XMEGANVM_WaitWhileNVMControllerBusy(void)
/* Send a LDS command to read the NVM STATUS register to check the BUSY flag */
XPROGTarget_SendByte(PDI_CMD_LDS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_STATUS);
-
+
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/* We might have timed out waiting for the status register read response, check here */
@@ -127,7 +127,7 @@ bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest)
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;
-
+
/* Set the NVM command to the correct CRC read command */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
@@ -145,7 +145,7 @@ bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest)
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;
-
+
/* Load the PDI pointer register with the DAT0 register start address */
XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_DAT0);
@@ -153,12 +153,12 @@ bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest)
/* Send the REPEAT command to grab the CRC bytes */
XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
XPROGTarget_SendByte(XMEGA_CRC_LENGTH - 1);
-
+
/* Read in the CRC bytes from the target */
XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
for (uint8_t i = 0; i < XMEGA_CRC_LENGTH; i++)
((uint8_t*)CRCDest)[i] = XPROGTarget_ReceiveByte();
-
+
return (TimeoutTicksRemaining != 0);
}
@@ -175,7 +175,7 @@ bool XMEGANVM_ReadMemory(const uint32_t ReadAddress, uint8_t* ReadBuffer, uint16
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;
-
+
/* Send the READNVM command to the NVM controller for reading of an arbitrary location */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
@@ -188,12 +188,12 @@ bool XMEGANVM_ReadMemory(const uint32_t ReadAddress, uint8_t* ReadBuffer, uint16
/* Send the REPEAT command with the specified number of bytes to read */
XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
XPROGTarget_SendByte(ReadSize - 1);
-
+
/* Send a LD command with indirect access and post-increment to read out the bytes */
XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
while (ReadSize-- && TimeoutTicksRemaining)
*(ReadBuffer++) = XPROGTarget_ReceiveByte();
-
+
return (TimeoutTicksRemaining != 0);
}
@@ -215,12 +215,12 @@ bool XMEGANVM_WriteByteMemory(const uint8_t WriteCommand, const uint32_t WriteAd
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(WriteCommand);
-
+
/* Send new memory byte to the memory of the target */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendAddress(WriteAddress);
XPROGTarget_SendByte(Byte);
-
+
return true;
}
@@ -275,13 +275,13 @@ bool XMEGANVM_WritePageMemory(const uint8_t WriteBuffCommand, const uint8_t Eras
/* Send the REPEAT command with the specified number of bytes to write */
XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
XPROGTarget_SendByte(WriteSize - 1);
-
+
/* Send a ST command with indirect access and post-increment to write the bytes */
XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
while (WriteSize--)
XPROGTarget_SendByte(*(WriteBuffer++));
}
-
+
if (PageMode & XPRG_PAGEMODE_WRITE)
{
/* Wait until the NVM controller is no longer busy */
@@ -292,7 +292,7 @@ bool XMEGANVM_WritePageMemory(const uint8_t WriteBuffCommand, const uint8_t Eras
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(WritePageCommand);
-
+
/* Send the address of the first page location to write the memory page */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendAddress(WriteAddress);
@@ -322,11 +322,11 @@ bool XMEGANVM_EraseMemory(const uint8_t EraseCommand, const uint32_t Address)
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(EraseCommand);
-
+
/* Set CMDEX bit in NVM CTRLA register to start the erase sequence */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
- XPROGTarget_SendByte(1 << 0);
+ XPROGTarget_SendByte(1 << 0);
}
else if (EraseCommand == XMEGA_NVM_CMD_ERASEEEPROM)
{
@@ -356,21 +356,21 @@ bool XMEGANVM_EraseMemory(const uint8_t EraseCommand, const uint32_t Address)
/* Send the REPEAT command with the specified number of bytes to write */
XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
XPROGTarget_SendByte(XPROG_Param_EEPageSize - 1);
-
+
/* Send a ST command with indirect access and post-increment to tag each byte in the EEPROM page buffer */
XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
for (uint8_t PageByte = 0; PageByte < XPROG_Param_EEPageSize; PageByte++)
XPROGTarget_SendByte(0x00);
-
+
/* Send the memory erase command to the target */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(EraseCommand);
-
+
/* Set CMDEX bit in NVM CTRLA register to start the EEPROM erase sequence */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
- XPROGTarget_SendByte(1 << 0);
+ XPROGTarget_SendByte(1 << 0);
}
else
{
@@ -378,18 +378,19 @@ bool XMEGANVM_EraseMemory(const uint8_t EraseCommand, const uint32_t Address)
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(EraseCommand);
-
+
/* Other erase modes just need us to address a byte within the target memory space */
XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
XMEGANVM_SendAddress(Address);
XPROGTarget_SendByte(0x00);
}
-
+
/* Wait until the NVM bus is ready again */
if (!(XMEGANVM_WaitWhileNVMBusBusy()))
return false;
-
+
return true;
}
#endif
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-03 21:01:37 +0000