this software.\r
*/\r
\r
-#if defined(ENABLE_XPROG_PROTOCOL)\r
-\r
/** \file\r
*\r
* PDI Protocol handler, to process V2 Protocol wrapped PDI commands used in Atmel programmer devices.\r
#define INCLUDE_FROM_PDIPROTOCOL_C\r
#include "PDIProtocol.h"\r
\r
+#if defined(ENABLE_PDI_PROTOCOL) || defined(__DOXYGEN__)\r
+#warning PDI Programming Protocol support is incomplete and not currently suitable for use.\r
+\r
uint32_t XPROG_Param_NVMBase;\r
uint32_t XPROG_Param_EEPageSize;\r
\r
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
\r
Endpoint_Write_Byte(CMD_XPROG_SETMODE);\r
- Endpoint_Write_Byte(SetMode_XPROG_Params.Protocol ? STATUS_CMD_FAILED : STATUS_CMD_OK);\r
+ Endpoint_Write_Byte((SetMode_XPROG_Params.Protocol == XPRG_PROTOCOL_PDI) ? STATUS_CMD_OK : STATUS_CMD_FAILED);\r
Endpoint_ClearIN(); \r
}\r
\r
+/** Handler for the CMD_XPROG command, which wraps up XPROG commands in a V2 wrapper which need to be\r
+ * removed and processed so that the underlying XPROG command can be handled.\r
+ */\r
void PDIProtocol_XPROG_Command(void)\r
{\r
uint8_t XPROGCommand = Endpoint_Read_Byte();\r
PDIProtocol_LeaveXPROGMode();\r
break;\r
case XPRG_CMD_ERASE:\r
- PDIProtocol_EraseChip();\r
+ PDIProtocol_Erase();\r
break;\r
case XPRG_CMD_WRITE_MEM:\r
PDIProtocol_WriteMemory();\r
}\r
}\r
\r
+/** Handler for the XPROG ENTER_PROGMODE command to establish a PDI connection with the attached device. */\r
static void PDIProtocol_EnterXPROGMode(void)\r
{\r
- uint8_t ReturnStatus = XPRG_ERR_OK;\r
-\r
Endpoint_ClearOUT();\r
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
\r
- PDIDATA_LINE_DDR |= PDIDATA_LINE_MASK;\r
- PDICLOCK_LINE_DDR |= PDICLOCK_LINE_MASK;\r
+ /* Enable PDI programming mode with the attached target */\r
+ PDITarget_EnableTargetPDI();\r
\r
- PDIDATA_LINE_PORT |= PDIDATA_LINE_MASK;\r
+ /* Store the RESET key into the RESET PDI register to keep the XMEGA in reset */\r
+ PDITarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG); \r
+ PDITarget_SendByte(PDI_RESET_KEY);\r
\r
- _delay_us(1);\r
- \r
- for (uint8_t i = 0; i < 16; i++)\r
- {\r
- PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;\r
- PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;\r
- }\r
- \r
- static const uint8_t NVMKey[8] = {0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF};\r
- \r
+ /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */\r
PDITarget_SendByte(PDI_CMD_KEY); \r
- for (uint8_t i = 0; i < 8; i++)\r
- PDITarget_SendByte(NVMKey[i]);\r
+ for (uint8_t i = sizeof(PDI_NVMENABLE_KEY); i > 0; i--)\r
+ PDITarget_SendByte(PDI_NVMENABLE_KEY[i - 1]);\r
\r
- PDITarget_SendByte(PDI_CMD_LDCS | PD_STATUS_REG); \r
- if (!(PDITarget_ReceiveByte() & PDI_STATUS_NVM))\r
- ReturnStatus = XPRG_ERR_FAILED;\r
+ /* Wait until the NVM bus becomes active */\r
+ bool NVMBusEnabled = NVMTarget_WaitWhileNVMBusBusy();\r
\r
Endpoint_Write_Byte(CMD_XPROG);\r
Endpoint_Write_Byte(XPRG_CMD_ENTER_PROGMODE);\r
- Endpoint_Write_Byte(ReturnStatus);\r
+ Endpoint_Write_Byte(NVMBusEnabled ? XPRG_ERR_OK : XPRG_ERR_FAILED);\r
Endpoint_ClearIN();\r
}\r
\r
+/** Handler for the XPROG LEAVE_PROGMODE command to terminate the PDI programming connection with\r
+ * the attached device.\r
+ */\r
static void PDIProtocol_LeaveXPROGMode(void)\r
{\r
Endpoint_ClearOUT();\r
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
\r
- PDIDATA_LINE_DDR &= ~PDIDATA_LINE_MASK;\r
- PDICLOCK_LINE_DDR &= ~PDICLOCK_LINE_MASK;\r
+ /* Clear the RESET key in the RESET PDI register to allow the XMEGA to run */\r
+ PDITarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG); \r
+ PDITarget_SendByte(0x00);\r
+\r
+ PDITarget_DisableTargetPDI();\r
\r
- PDIDATA_LINE_PORT &= ~PDIDATA_LINE_MASK;\r
- PDICLOCK_LINE_PORT &= ~PDICLOCK_LINE_MASK;\r
- \r
Endpoint_Write_Byte(CMD_XPROG);\r
Endpoint_Write_Byte(XPRG_CMD_LEAVE_PROGMODE);\r
Endpoint_Write_Byte(XPRG_ERR_OK);\r
Endpoint_ClearIN();\r
}\r
\r
-static void PDIProtocol_EraseChip(void)\r
+/** Handler for the XPRG ERASE command to erase a specific memory address space in the attached device. */\r
+static void PDIProtocol_Erase(void)\r
{\r
uint8_t ReturnStatus = XPRG_ERR_OK;\r
\r
} Erase_XPROG_Params;\r
\r
Endpoint_Read_Stream_LE(&Erase_XPROG_Params, sizeof(Erase_XPROG_Params));\r
+ Erase_XPROG_Params.Address = SwapEndian_32(Erase_XPROG_Params.Address);\r
\r
Endpoint_ClearOUT();\r
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
\r
- // TODO: Send erase command here via PDI protocol\r
+ uint8_t EraseCommand;\r
+ \r
+ if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_CHIP)\r
+ EraseCommand = NVM_CMD_CHIPERASE;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_APP)\r
+ EraseCommand = NVM_CMD_ERASEAPPSEC;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_BOOT)\r
+ EraseCommand = NVM_CMD_ERASEBOOTSEC;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_EEPROM)\r
+ EraseCommand = NVM_CMD_ERASEEEPROM;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_APP_PAGE)\r
+ EraseCommand = NVM_CMD_ERASEAPPSECPAGE;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_BOOT_PAGE)\r
+ EraseCommand = NVM_CMD_ERASEBOOTSECPAGE;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_EEPROM_PAGE)\r
+ EraseCommand = NVM_CMD_ERASEEEPROMPAGE;\r
+ else if (Erase_XPROG_Params.MemoryType == XPRG_ERASE_USERSIG)\r
+ EraseCommand = NVM_CMD_ERASEUSERSIG;\r
+ \r
+ NVMTarget_EraseMemory(EraseCommand, Erase_XPROG_Params.Address);\r
\r
Endpoint_Write_Byte(CMD_XPROG);\r
Endpoint_Write_Byte(XPRG_CMD_ERASE);\r
Endpoint_ClearIN(); \r
}\r
\r
+/** Handler for the XPROG WRITE_MEMORY command to write to a specific memory space within the attached device. */\r
static void PDIProtocol_WriteMemory(void)\r
{\r
uint8_t ReturnStatus = XPRG_ERR_OK;\r
Endpoint_ClearIN();\r
}\r
\r
+/** Handler for the XPROG READ_MEMORY command to read data from a specific address space within the\r
+ * attached device.\r
+ */\r
static void PDIProtocol_ReadMemory(void)\r
{\r
uint8_t ReturnStatus = XPRG_ERR_OK;\r
\r
Endpoint_ClearOUT();\r
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
- \r
- // TODO: Send read command here via PDI protocol\r
- \r
+\r
+ uint8_t ReadBuffer[ReadMemory_XPROG_Params.Length];\r
+ NVMTarget_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length);\r
+\r
Endpoint_Write_Byte(CMD_XPROG);\r
Endpoint_Write_Byte(XPRG_CMD_READ_MEM);\r
Endpoint_Write_Byte(ReturnStatus);\r
-\r
- // START TEMP\r
- uint8_t ProgData[256];\r
- for (uint16_t i = 0; i < ReadMemory_XPROG_Params.Length; i++)\r
- ProgData[i] = i;\r
- Endpoint_Write_Stream_LE(ProgData, ReadMemory_XPROG_Params.Length);\r
-\r
- if (!Endpoint_IsReadWriteAllowed())\r
- {\r
- Endpoint_ClearIN(); \r
- while(!(Endpoint_IsReadWriteAllowed()));\r
- }\r
- // END TEMP\r
+ \r
+ if (ReturnStatus == XPRG_ERR_OK)\r
+ Endpoint_Write_Stream_LE(ReadBuffer, ReadMemory_XPROG_Params.Length);\r
\r
Endpoint_ClearIN();\r
}\r
\r
+/** Handler for the XPROG CRC command to read a specific memory space's CRC value for comparison between the\r
+ * attached device's memory and a data set on the host.\r
+ */\r
static void PDIProtocol_ReadCRC(void)\r
{\r
uint8_t ReturnStatus = XPRG_ERR_OK;\r
-\r
- uint8_t CRCType = Endpoint_Read_Byte();\r
\r
+ struct\r
+ {\r
+ uint8_t CRCType;\r
+ } ReadCRC_XPROG_Params;\r
+ \r
+ Endpoint_Read_Stream_LE(&ReadCRC_XPROG_Params, sizeof(ReadCRC_XPROG_Params));\r
Endpoint_ClearOUT();\r
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
\r
- uint32_t MemoryCRC = 0;\r
+ uint32_t MemoryCRC;\r
+ uint8_t CRCCommand;\r
+\r
+ if (ReadCRC_XPROG_Params.CRCType == XPRG_CRC_APP)\r
+ CRCCommand = NVM_CMD_APPCRC;\r
+ else if (ReadCRC_XPROG_Params.CRCType == XPRG_CRC_BOOT)\r
+ CRCCommand = NVM_CMD_BOOTCRC;\r
+ else\r
+ CRCCommand = NVM_CMD_FLASHCRC;\r
\r
- // TODO: Read device CRC for desired memory via PDI protocol\r
+ MemoryCRC = NVMTarget_GetMemoryCRC(CRCCommand);\r
\r
Endpoint_Write_Byte(CMD_XPROG);\r
Endpoint_Write_Byte(XPRG_CMD_CRC);\r
Endpoint_ClearIN(); \r
}\r
\r
+/** Handler for the XPROG SET_PARAM command to set a PDI parameter for use when communicating with the\r
+ * attached device.\r
+ */\r
static void PDIProtocol_SetParam(void)\r
{\r
uint8_t ReturnStatus = XPRG_ERR_OK;\r
uint8_t XPROGParam = Endpoint_Read_Byte();\r
\r
if (XPROGParam == XPRG_PARAM_NVMBASE)\r
- XPROG_Param_NVMBase = Endpoint_Read_DWord_LE();\r
+ XPROG_Param_NVMBase = Endpoint_Read_DWord_BE();\r
else if (XPROGParam == XPRG_PARAM_EEPPAGESIZE)\r
- XPROG_Param_EEPageSize = Endpoint_Read_Word_LE();\r
+ XPROG_Param_EEPageSize = Endpoint_Read_Word_BE();\r
else\r
ReturnStatus = XPRG_ERR_FAILED;\r
\r
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