/*
LUFA Library
- Copyright (C) Dean Camera, 2012.
+ Copyright (C) Dean Camera, 2013.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
/** Busy-waits while the NVM controller is busy performing a NVM operation, such as a FLASH page read or CRC
* calculation.
*
- * \return Boolean true if the NVM controller became ready within the timeout period, false otherwise
+ * \return Boolean \c true if the NVM controller became ready within the timeout period, \c false otherwise
*/
bool XMEGANVM_WaitWhileNVMBusBusy(void)
{
for (;;)
{
/* 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);
+ XPROGTarget_SendByte(PDI_CMD_LDCS(PDI_REG_STATUS));
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/** Waits while the target's NVM controller is busy performing an operation, exiting if the
* timeout period expires.
*
- * \return Boolean true if the NVM controller became ready within the timeout period, false otherwise
+ * \return Boolean \c true if the NVM controller became ready within the timeout period, \c false otherwise
*/
bool XMEGANVM_WaitWhileNVMControllerBusy(void)
{
/* Preload the pointer register with the NVM STATUS register address to check the BUSY flag */
- XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_STATUS);
/* Poll the NVM STATUS register while the NVM controller is busy */
for (;;)
{
/* Fetch the current status value via the pointer register (without auto-increment afterwards) */
- XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT << 2) | PDI_DATSIZE_1BYTE);
+ XPROGTarget_SendByte(PDI_CMD_LD(PDI_POINTER_INDIRECT, PDI_DATASIZE_1BYTE));
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/** Enables the physical PDI interface on the target and enables access to the internal NVM controller.
*
- * \return Boolean true if the PDI interface was enabled successfully, false otherwise
+ * \return Boolean \c true if the PDI interface was enabled successfully, \c false otherwise
*/
bool XMEGANVM_EnablePDI(void)
{
XPROGTarget_EnableTargetPDI();
/* Store the RESET key into the RESET PDI register to keep the XMEGA in reset */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
+ XPROGTarget_SendByte(PDI_CMD_STCS(PDI_REG_RESET));
XPROGTarget_SendByte(PDI_RESET_KEY);
/* Lower direction change guard time to 32 USART bits */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_CTRL_REG);
+ XPROGTarget_SendByte(PDI_CMD_STCS(PDI_REG_CTRL));
XPROGTarget_SendByte(0x02);
/* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */
do
{
/* Clear reset register */
- XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
+ XPROGTarget_SendByte(PDI_CMD_STCS(PDI_REG_RESET));
XPROGTarget_SendByte(0x00);
/* Read back the reset register, check to see if it took effect */
- XPROGTarget_SendByte(PDI_CMD_LDCS | PDI_RESET_REG);
+ XPROGTarget_SendByte(PDI_CMD_LDCS(PDI_REG_RESET));
} while (XPROGTarget_ReceiveByte() != 0x00);
XPROGTarget_DisableTargetPDI();
* \param[in] CRCCommand NVM CRC command to issue to the target
* \param[out] CRCDest CRC Destination when read from the target
*
- * \return Boolean true if the command sequence complete successfully
+ * \return Boolean \c true if the command sequence complete successfully
*/
-bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest)
+bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand,
+ uint32_t* const CRCDest)
{
*CRCDest = 0;
return false;
/* Set the NVM command to the correct CRC read command */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(CRCCommand);
/* Set CMDEX bit in NVM CTRLA register to start the CRC generation */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
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);
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_DAT0);
/* Send the REPEAT command to grab the CRC bytes */
- XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
+ XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_1BYTE));
XPROGTarget_SendByte(XMEGA_CRC_LENGTH_BYTES - 1);
/* Read in the CRC bytes from the target */
- XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
+ XPROGTarget_SendByte(PDI_CMD_LD(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_1BYTE));
for (uint8_t i = 0; i < XMEGA_CRC_LENGTH_BYTES; i++)
((uint8_t*)CRCDest)[i] = XPROGTarget_ReceiveByte();
* \param[out] ReadBuffer Buffer to store read data into
* \param[in] ReadSize Number of bytes to read
*
- * \return Boolean true if the command sequence complete successfully
+ * \return Boolean \c true if the command sequence complete successfully
*/
-bool XMEGANVM_ReadMemory(const uint32_t ReadAddress, uint8_t* ReadBuffer, uint16_t ReadSize)
+bool XMEGANVM_ReadMemory(const uint32_t ReadAddress,
+ uint8_t* ReadBuffer,
+ uint16_t ReadSize)
{
/* 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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(XMEGA_NVM_CMD_READNVM);
- /* Load the PDI pointer register with the start address we want to read from */
- XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
- XMEGANVM_SendAddress(ReadAddress);
-
- /* 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();
+ if (ReadSize > 1)
+ {
+ /* Load the PDI pointer register with the start address we want to read from */
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
+ XMEGANVM_SendAddress(ReadAddress);
+
+ /* Send the REPEAT command with the specified number of bytes to read */
+ XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_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, PDI_DATASIZE_1BYTE));
+ while (ReadSize-- && TimeoutTicksRemaining)
+ *(ReadBuffer++) = XPROGTarget_ReceiveByte();
+ }
+ else
+ {
+ /* Send a LDS command with the read address to read out the requested byte */
+ XPROGTarget_SendByte(PDI_CMD_LDS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+ XMEGANVM_SendAddress(ReadAddress);
+ *(ReadBuffer++) = XPROGTarget_ReceiveByte();
+ }
return (TimeoutTicksRemaining > 0);
}
* \param[in] WriteAddress Address to write to within the target's address space
* \param[in] Byte Byte to write to the target
*
- * \return Boolean true if the command sequence complete successfully
+ * \return Boolean \c true if the command sequence complete successfully
*/
-bool XMEGANVM_WriteByteMemory(const uint8_t WriteCommand, const uint32_t WriteAddress, const uint8_t Byte)
+bool XMEGANVM_WriteByteMemory(const uint8_t WriteCommand,
+ const uint32_t WriteAddress,
+ const uint8_t Byte)
{
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;
/* Send the memory write command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendAddress(WriteAddress);
XPROGTarget_SendByte(Byte);
* \param[in] WriteBuffer Buffer to source data from
* \param[in] WriteSize Number of bytes to write
*
- * \return Boolean true if the command sequence complete successfully
+ * \return Boolean \c true if the command sequence complete successfully
*/
-bool XMEGANVM_WritePageMemory(const uint8_t WriteBuffCommand, const uint8_t EraseBuffCommand,
- const uint8_t WritePageCommand, const uint8_t PageMode, const uint32_t WriteAddress,
- const uint8_t* WriteBuffer, uint16_t WriteSize)
+bool XMEGANVM_WritePageMemory(const uint8_t WriteBuffCommand,
+ const uint8_t EraseBuffCommand,
+ const uint8_t WritePageCommand,
+ const uint8_t PageMode,
+ const uint32_t WriteAddress,
+ const uint8_t* WriteBuffer,
+ uint16_t WriteSize)
{
- if (PageMode & XPRG_PAGEMODE_ERASE)
+ if (PageMode & XPROG_PAGEMODE_ERASE)
{
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;
/* Send the memory buffer erase command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(EraseBuffCommand);
/* Set CMDEX bit in NVM CTRLA register to start the buffer erase */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
}
return false;
/* Send the memory buffer write command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(WriteBuffCommand);
/* Load the PDI pointer register with the start address we want to write to */
- XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
XMEGANVM_SendAddress(WriteAddress);
/* Send the REPEAT command with the specified number of bytes to write */
- XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
+ XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_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);
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_1BYTE));
while (WriteSize--)
XPROGTarget_SendByte(*(WriteBuffer++));
}
- if (PageMode & XPRG_PAGEMODE_WRITE)
+ if (PageMode & XPROG_PAGEMODE_WRITE)
{
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
return false;
/* Send the memory write command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendAddress(WriteAddress);
XPROGTarget_SendByte(0x00);
}
* \param[in] EraseCommand NVM erase command to send to the device
* \param[in] Address Address inside the memory space to erase
*
- * \return Boolean true if the command sequence complete successfully
+ * \return Boolean \c true if the command sequence complete successfully
*/
-bool XMEGANVM_EraseMemory(const uint8_t EraseCommand, const uint32_t Address)
+bool XMEGANVM_EraseMemory(const uint8_t EraseCommand,
+ const uint32_t Address)
{
/* Wait until the NVM controller is no longer busy */
if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
if (EraseCommand == XMEGA_NVM_CMD_CHIPERASE)
{
/* Send the memory erase command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
}
else if (EraseCommand == XMEGA_NVM_CMD_ERASEEEPROM)
{
/* Send the EEPROM page buffer erase command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF);
/* Set CMDEX bit in NVM CTRLA register to start the buffer erase */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
return false;
/* Send the EEPROM memory buffer write command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
XPROGTarget_SendByte(XMEGA_NVM_CMD_LOADEEPROMPAGEBUFF);
/* Load the PDI pointer register with the EEPROM page start address */
- XPROGTarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
XMEGANVM_SendAddress(Address);
/* Send the REPEAT command with the specified number of bytes to write */
- XPROGTarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_1BYTE);
+ XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_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);
+ XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
}
else
{
/* Send the memory erase command to the target */
- XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
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));
+ XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
XMEGANVM_SendAddress(Address);
XPROGTarget_SendByte(0x00);
}
projects / pub / USBasp.git / blobdiff