diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2009-12-15 05:17:52 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-12-15 05:17:52 +0000 |
commit | 79efd8c79e723adb3392367ae62356c5c3a835d0 (patch) | |
tree | 5232f8c3a61e63287008fafae32cf1cf568fed9e /Projects | |
parent | 8ea051de637f09f0fd2895f5a18ee9f337b9b1f1 (diff) | |
download | lufa-79efd8c79e723adb3392367ae62356c5c3a835d0.tar.gz lufa-79efd8c79e723adb3392367ae62356c5c3a835d0.tar.bz2 lufa-79efd8c79e723adb3392367ae62356c5c3a835d0.zip |
Fix a bug in the Still Image Host Class driver where the returned block status code was being truncated.
Add programming support to the AVRISP project's PDI programming mode; paged memory writes are not currently functional.
Diffstat (limited to 'Projects')
-rw-r--r-- | Projects/AVRISP/Lib/NVMTarget.c | 122 | ||||
-rw-r--r-- | Projects/AVRISP/Lib/NVMTarget.h | 6 | ||||
-rw-r--r-- | Projects/AVRISP/Lib/PDIProtocol.c | 32 | ||||
-rw-r--r-- | Projects/AVRISP/Lib/PDIProtocol.h | 3 |
4 files changed, 133 insertions, 30 deletions
diff --git a/Projects/AVRISP/Lib/NVMTarget.c b/Projects/AVRISP/Lib/NVMTarget.c index d84ae6b85..b6922d5e5 100644 --- a/Projects/AVRISP/Lib/NVMTarget.c +++ b/Projects/AVRISP/Lib/NVMTarget.c @@ -161,41 +161,35 @@ bool NVMTarget_ReadMemory(uint32_t ReadAddress, uint8_t* ReadBuffer, uint16_t Re NVMTarget_SendNVMRegAddress(NVM_REG_CMD);
PDITarget_SendByte(NVM_CMD_READNVM);
- /* Send the address of the first location to read from - this also primes the internal address
- * counters so that we can use the REPEAT command later to save on overhead for multiple bytes */
- PDITarget_SendByte(PDI_CMD_LDS | (PDI_DATSIZE_4BYTES << 2));
+ /* Load the PDI pointer register with the start address we want to read from */
+ PDITarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
NVMTarget_SendAddress(ReadAddress);
- *ReadBuffer = PDITarget_ReceiveByte();
- /* Check to see if we are reading more than a single byte */
- if (ReadSize > 1)
- {
- /* Send the REPEAT command with the specified number of bytes remaining to read */
- PDITarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_2BYTES);
- PDITarget_SendByte(ReadSize & 0xFF);
- PDITarget_SendByte(ReadSize >> 8);
+ /* Send the REPEAT command with the specified number of bytes to read */
+ PDITarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_2BYTES);
+ PDITarget_SendByte(ReadSize & 0xFF);
+ PDITarget_SendByte(ReadSize >> 8);
- /* Send a LD command with indirect access and postincrement to read out the remaining bytes */
- PDITarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
- for (uint16_t i = 0; i < ReadSize; i++)
- *(ReadBuffer++) = PDITarget_ReceiveByte();
- }
+ /* Send a LD command with indirect access and postincrement to read out the bytes */
+ PDITarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
+ for (uint16_t i = 0; i < ReadSize; i++)
+ *(ReadBuffer++) = PDITarget_ReceiveByte();
return true;
}
/** Writes byte addressed memory to the target's memory spaces.
*
- * \param[in] WriteCommand Command to send to the device to write each memory page
- * \param[in] WriteAddress Start address to write to within the target's address space
- * \param[in] WriteBuffer Buffer to source data from
- * \param[in] WriteSize Number of bytes to write
+ * \param[in] WriteCommand Command to send to the device to write each memory byte
+ * \param[in] WriteAddress Start address to write to within the target's address space
+ * \param[in] WriteBuffer Buffer to source data from
+ * \param[in] WriteSize Number of bytes to write
*
* \return Boolean true if the command sequence complete sucessfully
*/
bool NVMTarget_WriteByteMemory(uint8_t WriteCommand, uint32_t WriteAddress, uint8_t* WriteBuffer, uint16_t WriteSize)
{
- for (uint8_t i = 0; i < WriteSize; i++)
+ for (uint16_t i = 0; i < WriteSize; i++)
{
/* Wait until the NVM controller is no longer busy */
if (!(NVMTarget_WaitWhileNVMControllerBusy()))
@@ -215,6 +209,92 @@ bool NVMTarget_WriteByteMemory(uint8_t WriteCommand, uint32_t WriteAddress, uint return true;
}
+/** Writes page addressed memory to the target's memory spaces.
+ *
+ * \param[in] WriteBuffCommand Command to send to the device to write a byte to the memory page buffer
+ * \param[in] EraseBuffCommand Command to send to the device to erase the memory page buffer
+ * \param[in] WritePageCommand Command to send to the device to write the page buffer to the destination memory
+ * \param[in] PageMode Bitfield indicating what operations need to be executed on the specified page
+ * \param[in] WriteAddress Start address to write the page data to within the target's address space
+ * \param[in] WriteBuffer Buffer to source data from
+ * \param[in] WriteSize Number of bytes to write
+ *
+ * \return Boolean true if the command sequence complete sucessfully
+ */
+bool NVMTarget_WritePageMemory(uint8_t WriteBuffCommand, uint8_t EraseBuffCommand, uint8_t WritePageCommand,
+ uint8_t PageMode, uint32_t WriteAddress, uint8_t* WriteBuffer, uint16_t WriteSize)
+{
+ if (PageMode & XPRG_PAGEMODE_ERASE)
+ {
+ /* Wait until the NVM controller is no longer busy */
+ if (!(NVMTarget_WaitWhileNVMControllerBusy()))
+ return false;
+
+ /* Send the memory buffer erase command to the target */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_CMD);
+ PDITarget_SendByte(EraseBuffCommand);
+
+ /* Set CMDEX bit in NVM CTRLA register to start the buffer erase */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_CTRLA);
+ PDITarget_SendByte(1 << 0);
+ }
+
+ if (WriteSize)
+ {
+ /* Wait until the NVM controller is no longer busy */
+ if (!(NVMTarget_WaitWhileNVMControllerBusy()))
+ return false;
+
+ /* Send the memory buffer write command to the target */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_CMD);
+ PDITarget_SendByte(WriteBuffCommand);
+
+ /* Load the PDI pointer register with the start address we want to write to */
+ PDITarget_SendByte(PDI_CMD_ST | (PDI_POINTER_DIRECT << 2) | PDI_DATSIZE_4BYTES);
+ NVMTarget_SendAddress(WriteAddress);
+
+ /* Send the REPEAT command with the specified number of bytes to write */
+ PDITarget_SendByte(PDI_CMD_REPEAT | PDI_DATSIZE_2BYTES);
+ PDITarget_SendByte(WriteSize & 0xFF);
+ PDITarget_SendByte(WriteSize >> 8);
+
+ /* Send a ST command with indirect access and postincrement to write the bytes */
+ PDITarget_SendByte(PDI_CMD_ST | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
+ for (uint16_t i = 0; i < WriteSize; i++)
+ PDITarget_SendByte(*(WriteBuffer++));
+
+ // TEMP
+ PDITarget_SendByte(PDI_CMD_LDS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_STATUS);
+ GPIOR0 = PDITarget_ReceiveByte();
+ if (!(GPIOR0 & (1 << 0)))
+ JTAG_DEBUG_POINT();
+ // END TEMP
+ }
+
+ if (PageMode & XPRG_PAGEMODE_WRITE)
+ {
+ /* Wait until the NVM controller is no longer busy */
+ if (!(NVMTarget_WaitWhileNVMControllerBusy()))
+ return false;
+
+ /* Send the memory write command to the target */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendNVMRegAddress(NVM_REG_CMD);
+ PDITarget_SendByte(WritePageCommand);
+
+ /* Send the address of the first page location to write the memory page */
+ PDITarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2));
+ NVMTarget_SendAddress(WriteAddress);
+ PDITarget_SendByte(0x00);
+ }
+
+ return true;
+}
+
/** Erases a specific memory space of the target.
*
* \param[in] EraseCommand NVM erase command to send to the device
diff --git a/Projects/AVRISP/Lib/NVMTarget.h b/Projects/AVRISP/Lib/NVMTarget.h index dea9ff3de..3608fcb35 100644 --- a/Projects/AVRISP/Lib/NVMTarget.h +++ b/Projects/AVRISP/Lib/NVMTarget.h @@ -74,8 +74,8 @@ #define NVM_CMD_NOOP 0x00
#define NVM_CMD_CHIPERASE 0x40
#define NVM_CMD_READNVM 0x43
- #define NVM_CMD_LOADFLASHBUFF 0x23
- #define NVM_CMD_ERASEFLASHBUFF 0x26
+ #define NVM_CMD_LOADFLASHPAGEBUFF 0x23
+ #define NVM_CMD_ERASEFLASHPAGEBUFF 0x26
#define NVM_CMD_ERASEFLASHPAGE 0x2B
#define NVM_CMD_FLASHPAGEWRITE 0x2E
#define NVM_CMD_ERASEWRITEFLASH 0x2F
@@ -113,6 +113,8 @@ bool NVMTarget_ReadMemory(uint32_t ReadAddress, uint8_t* ReadBuffer, uint16_t ReadSize);
bool NVMTarget_WriteByteMemory(uint8_t WriteCommand, uint32_t WriteAddress, uint8_t* WriteBuffer,
uint16_t WriteSize);
+ bool NVMTarget_WritePageMemory(uint8_t WriteBuffCommand, uint8_t EraseBuffCommand, uint8_t WritePageCommand,
+ uint8_t PageMode, uint32_t WriteAddress, uint8_t* WriteBuffer, uint16_t WriteSize);
bool NVMTarget_EraseMemory(uint8_t EraseCommand, uint32_t Address);
#endif
diff --git a/Projects/AVRISP/Lib/PDIProtocol.c b/Projects/AVRISP/Lib/PDIProtocol.c index 36aa3b4c5..aa03fc494 100644 --- a/Projects/AVRISP/Lib/PDIProtocol.c +++ b/Projects/AVRISP/Lib/PDIProtocol.c @@ -201,7 +201,7 @@ static void PDIProtocol_WriteMemory(void) uint8_t PageMode;
uint32_t Address;
uint16_t Length;
- uint8_t ProgData[512];
+ uint8_t ProgData[256];
} WriteMemory_XPROG_Params;
Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params, (sizeof(WriteMemory_XPROG_Params) -
@@ -215,24 +215,37 @@ static void PDIProtocol_WriteMemory(void) uint8_t WriteCommand = NVM_CMD_NOOP;
- uint8_t WritePageCommand = NVM_CMD_NOOP;
+ uint8_t WriteBuffCommand = NVM_CMD_NOOP;
+ uint8_t EraseBuffCommand = NVM_CMD_NOOP;
bool PagedMemory = false;
if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_APPL)
{
- PagedMemory = true;
+ WriteCommand = NVM_CMD_ERASEWRITEFLASH;
+ WriteBuffCommand = NVM_CMD_LOADFLASHPAGEBUFF;
+ EraseBuffCommand = NVM_CMD_ERASEFLASHPAGEBUFF;
+ PagedMemory = true;
}
else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_BOOT)
{
- PagedMemory = true;
+ WriteCommand = NVM_CMD_ERASEWRITEFLASH;
+ WriteBuffCommand = NVM_CMD_LOADFLASHPAGEBUFF;
+ EraseBuffCommand = NVM_CMD_ERASEFLASHPAGEBUFF;
+ PagedMemory = true;
}
else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_EEPROM)
{
- PagedMemory = true;
+ WriteCommand = NVM_CMD_ERASEWRITEEEPROMPAGE;
+ WriteBuffCommand = NVM_CMD_LOADEEPROMPAGEBUFF;
+ EraseBuffCommand = NVM_CMD_ERASEEEPROMPAGEBUFF;
+ PagedMemory = true;
}
else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_USERSIG)
{
- PagedMemory = true;
+ WriteCommand = NVM_CMD_WRITEUSERSIG;
+ WriteBuffCommand = NVM_CMD_LOADFLASHPAGEBUFF;
+ EraseBuffCommand = NVM_CMD_ERASEFLASHPAGEBUFF;
+ PagedMemory = true;
}
else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_FUSE)
{
@@ -245,7 +258,12 @@ static void PDIProtocol_WriteMemory(void) if (PagedMemory)
{
-
+ if (!(NVMTarget_WritePageMemory(WriteBuffCommand, EraseBuffCommand, WriteCommand,
+ WriteMemory_XPROG_Params.PageMode, WriteMemory_XPROG_Params.Address,
+ WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length)))
+ {
+ ReturnStatus = XPRG_ERR_TIMEOUT;
+ }
}
else
{
diff --git a/Projects/AVRISP/Lib/PDIProtocol.h b/Projects/AVRISP/Lib/PDIProtocol.h index 490e14bf5..127f0866e 100644 --- a/Projects/AVRISP/Lib/PDIProtocol.h +++ b/Projects/AVRISP/Lib/PDIProtocol.h @@ -97,6 +97,9 @@ #define XPRG_PROTOCOL_PDI 0x00
#define XPRG_PROTOCOL_JTAG 0x01
+
+ #define XPRG_PAGEMODE_WRITE (1 << 0)
+ #define XPRG_PAGEMODE_ERASE (1 << 1)
/* External Variables: */
extern uint32_t XPROG_Param_NVMBase;
|