Fix a bug in the Still Image Host Class driver where the returned block status code...
[pub/USBasp.git] / Projects / AVRISP / Lib / PDIProtocol.c
index d98c51c..aa03fc4 100644 (file)
   this software.\r
 */\r
 \r
-#if defined(ENABLE_PDI_PROTOCOL) || defined(__DOXYGEN__)\r
-\r
-#warning PDI Programming Protocol support is incomplete and not currently suitable for use.\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 general use.\r
+\r
+/** Base absolute address for the target's NVM controller */\r
 uint32_t XPROG_Param_NVMBase;\r
+\r
+/** Size in bytes of the target's EEPROM page */\r
 uint32_t XPROG_Param_EEPageSize;\r
 \r
 /** Handler for the CMD_XPROG_SETMODE command, which sets the programmer-to-target protocol used for PDI\r
@@ -59,7 +61,7 @@ void PDIProtocol_XPROG_SetMode(void)
        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
@@ -99,38 +101,27 @@ void PDIProtocol_XPROG_Command(void)
 /** 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
-       \r
-       /* Must hold DATA line high for at least 90nS to enable PDI interface */\r
-       PDIDATA_LINE_PORT |= PDIDATA_LINE_MASK;\r
-       asm volatile ("NOP"::);\r
-       #if (F_CPU > 8000000)\r
-       asm volatile ("NOP"::);\r
-       #endif\r
-       \r
-       /* Toggle CLOCK line 16 times within 100uS of the original 90nS timeout to keep PDI interface enabled */\r
-       for (uint8_t i = 0; i < 16; i++)\r
-         TOGGLE_PDI_CLOCK;\r
+       /* Enable PDI programming mode with the attached target */\r
+       PDITarget_EnableTargetPDI();\r
        \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
        /* 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(PDI_NVMENABLE_KEY[i]);\r
+       for (uint8_t i = sizeof(PDI_NVMENABLE_KEY); i > 0; i--)\r
+         PDITarget_SendByte(PDI_NVMENABLE_KEY[i - 1]);\r
 \r
-       /* Read out the STATUS register to check that NVM access was successfully enabled */\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 = PDITarget_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
@@ -142,14 +133,12 @@ static void PDIProtocol_LeaveXPROGMode(void)
        Endpoint_ClearOUT();\r
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
        \r
-       /* Set DATA and CLOCK lines to inputs */\r
-       PDIDATA_LINE_DDR   &= ~PDIDATA_LINE_MASK;\r
-       PDICLOCK_LINE_DDR  &= ~PDICLOCK_LINE_MASK;\r
-       \r
-       /* Tristate DATA and CLOCK lines */\r
-       PDIDATA_LINE_PORT  &= ~PDIDATA_LINE_MASK;\r
-       PDICLOCK_LINE_PORT &= ~PDICLOCK_LINE_MASK;\r
-       \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
        Endpoint_Write_Byte(CMD_XPROG);\r
        Endpoint_Write_Byte(XPRG_CMD_LEAVE_PROGMODE);\r
        Endpoint_Write_Byte(XPRG_ERR_OK);\r
@@ -168,11 +157,32 @@ static void PDIProtocol_Erase(void)
        } 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 = NVM_CMD_NOOP;\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
+       if (!(NVMTarget_EraseMemory(EraseCommand, Erase_XPROG_Params.Address)))\r
+         ReturnStatus = XPRG_ERR_TIMEOUT;\r
        \r
        Endpoint_Write_Byte(CMD_XPROG);\r
        Endpoint_Write_Byte(XPRG_CMD_ERASE);\r
@@ -188,6 +198,7 @@ static void PDIProtocol_WriteMemory(void)
        struct\r
        {\r
                uint8_t  MemoryType;\r
+               uint8_t  PageMode;\r
                uint32_t Address;\r
                uint16_t Length;\r
                uint8_t  ProgData[256];\r
@@ -201,11 +212,70 @@ static void PDIProtocol_WriteMemory(void)
 \r
        Endpoint_ClearOUT();\r
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
+\r
+\r
+       uint8_t WriteCommand     = NVM_CMD_NOOP;\r
+       uint8_t WriteBuffCommand = NVM_CMD_NOOP;\r
+       uint8_t EraseBuffCommand = NVM_CMD_NOOP;\r
+       bool    PagedMemory      = false;\r
        \r
-       // TODO: Send program command here via PDI protocol\r
+       if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_APPL)\r
+       {\r
+               WriteCommand     = NVM_CMD_ERASEWRITEFLASH;\r
+               WriteBuffCommand = NVM_CMD_LOADFLASHPAGEBUFF;\r
+               EraseBuffCommand = NVM_CMD_ERASEFLASHPAGEBUFF;\r
+               PagedMemory      = true;\r
+       }\r
+       else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_BOOT)\r
+       {\r
+               WriteCommand     = NVM_CMD_ERASEWRITEFLASH;\r
+               WriteBuffCommand = NVM_CMD_LOADFLASHPAGEBUFF;\r
+               EraseBuffCommand = NVM_CMD_ERASEFLASHPAGEBUFF;\r
+               PagedMemory      = true;\r
+       }\r
+       else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_EEPROM)\r
+       {\r
+               WriteCommand     = NVM_CMD_ERASEWRITEEEPROMPAGE;\r
+               WriteBuffCommand = NVM_CMD_LOADEEPROMPAGEBUFF;\r
+               EraseBuffCommand = NVM_CMD_ERASEEEPROMPAGEBUFF;\r
+               PagedMemory      = true;\r
+       }\r
+       else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_USERSIG)\r
+       {\r
+               WriteCommand     = NVM_CMD_WRITEUSERSIG;\r
+               WriteBuffCommand = NVM_CMD_LOADFLASHPAGEBUFF;\r
+               EraseBuffCommand = NVM_CMD_ERASEFLASHPAGEBUFF;\r
+               PagedMemory      = true;\r
+       }\r
+       else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_FUSE)\r
+       {\r
+               WriteCommand = NVM_CMD_WRITEFUSE;\r
+       }\r
+       else if (WriteMemory_XPROG_Params.MemoryType == XPRG_MEM_TYPE_LOCKBITS)\r
+       {\r
+               WriteCommand = NVM_CMD_WRITELOCK;\r
+       }\r
+       \r
+       if (PagedMemory)\r
+       {\r
+               if (!(NVMTarget_WritePageMemory(WriteBuffCommand, EraseBuffCommand, WriteCommand, \r
+                                               WriteMemory_XPROG_Params.PageMode, WriteMemory_XPROG_Params.Address,\r
+                                               WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length)))\r
+               {\r
+                       ReturnStatus = XPRG_ERR_TIMEOUT;\r
+               }\r
+       }\r
+       else\r
+       {\r
+               if (!(NVMTarget_WriteByteMemory(WriteCommand, WriteMemory_XPROG_Params.Address, WriteMemory_XPROG_Params.ProgData,\r
+                                                                               WriteMemory_XPROG_Params.Length)))\r
+               {\r
+                       ReturnStatus = XPRG_ERR_TIMEOUT;\r
+               }\r
+       }\r
        \r
        Endpoint_Write_Byte(CMD_XPROG);\r
-       Endpoint_Write_Byte(XPRG_CMD_READ_MEM);\r
+       Endpoint_Write_Byte(XPRG_CMD_WRITE_MEM);\r
        Endpoint_Write_Byte(ReturnStatus);      \r
        Endpoint_ClearIN();\r
 }\r
@@ -230,13 +300,19 @@ static void PDIProtocol_ReadMemory(void)
 \r
        Endpoint_ClearOUT();\r
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);\r
+\r
+       uint8_t ReadBuffer[ReadMemory_XPROG_Params.Length];\r
        \r
-       // TODO: Send read command here via PDI protocol\r
-       \r
+       if (!(NVMTarget_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length)))\r
+         ReturnStatus = XPRG_ERR_TIMEOUT;\r
+\r
        Endpoint_Write_Byte(CMD_XPROG);\r
        Endpoint_Write_Byte(XPRG_CMD_READ_MEM);\r
        Endpoint_Write_Byte(ReturnStatus);\r
        \r
+       if (ReturnStatus == XPRG_ERR_OK)\r
+         Endpoint_Write_Stream_LE(ReadBuffer, ReadMemory_XPROG_Params.Length);\r
+       \r
        Endpoint_ClearIN();\r
 }\r
 \r
@@ -246,15 +322,28 @@ static void PDIProtocol_ReadMemory(void)
 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
+       uint8_t  CRCCommand = NVM_CMD_NOOP;\r
+       uint32_t MemoryCRC;\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
+       if (!(NVMTarget_GetMemoryCRC(CRCCommand, &MemoryCRC)))\r
+         ReturnStatus = XPRG_ERR_TIMEOUT;\r
        \r
        Endpoint_Write_Byte(CMD_XPROG);\r
        Endpoint_Write_Byte(XPRG_CMD_CRC);\r
@@ -279,9 +368,9 @@ static void PDIProtocol_SetParam(void)
        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