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Diffstat (limited to 'Projects/AVRISP/Lib/PDIProtocol.c')
| -rw-r--r-- | Projects/AVRISP/Lib/PDIProtocol.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/Projects/AVRISP/Lib/PDIProtocol.c b/Projects/AVRISP/Lib/PDIProtocol.c new file mode 100644 index 000000000..b095a49c5 --- /dev/null +++ b/Projects/AVRISP/Lib/PDIProtocol.c @@ -0,0 +1,262 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#if defined(ENABLE_XPROG_PROTOCOL)
+
+/** \file
+ *
+ * PDI Protocol handler, to process V2 Protocol wrapped PDI commands used in Atmel programmer devices.
+ */
+
+#define INCLUDE_FROM_XPROG_C
+#include "PDIProtocol.h"
+
+uint32_t XPROG_Param_NVMBase;
+uint32_t XPROG_Param_EEPageSize;
+
+/** Handler for the CMD_XPROG_SETMODE command, which sets the programmer-to-target protocol used for PDI
+ * XMEGA programming (either PDI or JTAG). Only PDI programming is supported.
+ */
+void PDIProtocol_XPROG_SetMode(void)
+{
+ struct
+ {
+ uint8_t Protocol;
+ } SetMode_XPROG_Params;
+
+ Endpoint_Read_Stream_LE(&SetMode_XPROG_Params, sizeof(SetMode_XPROG_Params));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(CMD_XPROG_SETMODE);
+ Endpoint_Write_Byte(SetMode_XPROG_Params.Protocol ? STATUS_CMD_FAILED : STATUS_CMD_OK);
+ Endpoint_ClearIN();
+}
+
+void PDIProtocol_XPROG_Command(void)
+{
+ uint8_t XPROGCommand = Endpoint_Read_Byte();
+
+ switch (XPROGCommand)
+ {
+ case XPRG_CMD_ENTER_PROGMODE:
+ PDIProtocol_EnterXPROGMode();
+ break;
+ case XPRG_CMD_LEAVE_PROGMODE:
+ PDIProtocol_LeaveXPROGMode();
+ break;
+ case XPRG_CMD_ERASE:
+ PDIProtocol_EraseChip();
+ break;
+ case XPRG_CMD_WRITE_MEM:
+ PDIProtocol_WriteMemory();
+ break;
+ case XPRG_CMD_READ_MEM:
+ PDIProtocol_ReadMemory();
+ break;
+ case XPRG_CMD_CRC:
+ PDIProtocol_ReadCRC();
+ break;
+ case XPRG_CMD_SET_PARAM:
+ PDIProtocol_SetParam();
+ break;
+ }
+}
+
+static void PDIProtocol_EraseChip(void)
+{
+ uint8_t ReturnStatus = XPRG_ERR_OK;
+
+ struct
+ {
+ uint8_t MemoryType;
+ uint32_t Address;
+ } Erase_XPROG_Params;
+
+ Endpoint_Read_Stream_LE(&Erase_XPROG_Params, sizeof(Erase_XPROG_Params));
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ // TODO: Send erase command here via PDI protocol
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_ERASE);
+ Endpoint_Write_Byte(ReturnStatus);
+ Endpoint_ClearIN();
+}
+
+static void PDIProtocol_WriteMemory(void)
+{
+ uint8_t ReturnStatus = XPRG_ERR_OK;
+
+ struct
+ {
+ uint8_t MemoryType;
+ uint32_t Address;
+ uint16_t Length;
+ uint8_t ProgData[256];
+ } WriteMemory_XPROG_Params;
+
+ Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params, (sizeof(WriteMemory_XPROG_Params) -
+ sizeof(WriteMemory_XPROG_Params).ProgData));
+ WriteMemory_XPROG_Params.Address = SwapEndian_32(WriteMemory_XPROG_Params.Address);
+ WriteMemory_XPROG_Params.Length = SwapEndian_16(WriteMemory_XPROG_Params.Length);
+ Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length);
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ // TODO: Send program command here via PDI protocol
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_READ_MEM);
+ Endpoint_Write_Byte(ReturnStatus);
+ Endpoint_ClearIN();
+}
+
+static void PDIProtocol_ReadMemory(void)
+{
+ uint8_t ReturnStatus = XPRG_ERR_OK;
+
+ struct
+ {
+ uint8_t MemoryType;
+ uint32_t Address;
+ uint16_t Length;
+ } ReadMemory_XPROG_Params;
+
+ Endpoint_Read_Stream_LE(&ReadMemory_XPROG_Params, sizeof(ReadMemory_XPROG_Params));
+ ReadMemory_XPROG_Params.Address = SwapEndian_32(ReadMemory_XPROG_Params.Address);
+ ReadMemory_XPROG_Params.Length = SwapEndian_16(ReadMemory_XPROG_Params.Length);
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ // TODO: Send read command here via PDI protocol
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_READ_MEM);
+ Endpoint_Write_Byte(ReturnStatus);
+
+ // START TEMP
+ uint8_t ProgData[256];
+ for (uint16_t i = 0; i < ReadMemory_XPROG_Params.Length; i++)
+ ProgData[i] = i;
+ Endpoint_Write_Stream_LE(ProgData, ReadMemory_XPROG_Params.Length);
+
+ if (!Endpoint_IsReadWriteAllowed())
+ {
+ Endpoint_ClearIN();
+ while(!(Endpoint_IsReadWriteAllowed()));
+ }
+ // END TEMP
+
+ Endpoint_ClearIN();
+}
+
+static void PDIProtocol_ReadCRC(void)
+{
+ uint8_t ReturnStatus = XPRG_ERR_OK;
+
+ uint8_t CRCType = Endpoint_Read_Byte();
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ uint32_t MemoryCRC = 0;
+
+ // TODO: Read device CRC for desired memory via PDI protocol
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_CRC);
+ Endpoint_Write_Byte(ReturnStatus);
+
+ if (ReturnStatus == XPRG_ERR_OK)
+ {
+ Endpoint_Write_Byte(MemoryCRC >> 16);
+ Endpoint_Write_Word_LE(MemoryCRC & 0xFFFF);
+ }
+
+ Endpoint_ClearIN();
+}
+
+static void PDIProtocol_EnterXPROGMode(void)
+{
+ uint8_t ReturnStatus = XPRG_ERR_OK;
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ // TODO: Enter device programming mode here via PDI protocol
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_ENTER_PROGMODE);
+ Endpoint_Write_Byte(ReturnStatus);
+ Endpoint_ClearIN();
+}
+
+static void PDIProtocol_LeaveXPROGMode(void)
+{
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ // TODO: Exit device programming mode here via PDI protocol
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_LEAVE_PROGMODE);
+ Endpoint_Write_Byte(XPRG_ERR_OK);
+ Endpoint_ClearIN();
+}
+
+static void PDIProtocol_SetParam(void)
+{
+ uint8_t ReturnStatus = XPRG_ERR_OK;
+
+ uint8_t XPROGParam = Endpoint_Read_Byte();
+
+ if (XPROGParam == XPRG_PARAM_NVMBASE)
+ XPROG_Param_NVMBase = Endpoint_Read_DWord_LE();
+ else if (XPROGParam == XPRG_PARAM_EEPPAGESIZE)
+ XPROG_Param_EEPageSize = Endpoint_Read_Word_LE();
+ else
+ ReturnStatus = XPRG_ERR_FAILED;
+
+ Endpoint_ClearOUT();
+ Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+ Endpoint_Write_Byte(CMD_XPROG);
+ Endpoint_Write_Byte(XPRG_CMD_SET_PARAM);
+ Endpoint_Write_Byte(ReturnStatus);
+ Endpoint_ClearIN();
+}
+
+#endif
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