Commit f69f03cb authored by Dean Camera's avatar Dean Camera
Browse files

Started implementing the low level PDI protocol in the AVRISP project, for...

Started implementing the low level PDI protocol in the AVRISP project, for XMEGA device programming.
parent f92b5619
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......@@ -70,7 +70,6 @@ void SetupHardware(void)
/* Hardware Initialization */
LEDs_Init();
USB_Init();
SerialStream_Init(9600, true);
#if defined(ADC)
/* Initialize the ADC converter for VTARGET level detection on supported AVR models */
......
......@@ -47,7 +47,6 @@
#include <LUFA/Version.h>
#include <LUFA/Drivers/Board/LEDs.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Peripheral/SerialStream.h>
#if defined(ADC)
#include <LUFA/Drivers/Peripheral/ADC.h>
......
......@@ -61,7 +61,7 @@ void ISPProtocol_EnterISPMode(void)
CurrentAddress = 0;
V2Protocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
V2Protocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
SPI_Init(ISPTarget_GetSPIPrescalerMask() | SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED))
......
......@@ -35,7 +35,7 @@
* PDI Protocol handler, to process V2 Protocol wrapped PDI commands used in Atmel programmer devices.
*/
#define INCLUDE_FROM_XPROG_C
#define INCLUDE_FROM_PDIPROTOCOL_C
#include "PDIProtocol.h"
uint32_t XPROG_Param_NVMBase;
......@@ -91,6 +91,59 @@ void PDIProtocol_XPROG_Command(void)
}
}
static void PDIProtocol_EnterXPROGMode(void)
{
uint8_t ReturnStatus = XPRG_ERR_OK;
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
PDIDATA_LINE_DDR |= PDIDATA_LINE_MASK;
PDICLOCK_LINE_DDR |= PDICLOCK_LINE_MASK;
PDIDATA_LINE_PORT |= PDIDATA_LINE_MASK;
_delay_us(1);
for (uint8_t i = 0; i < 16; i++)
{
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
}
static const uint8_t NVMKey[8] = {0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF};
PDITarget_SendByte(PDI_CMD_KEY);
for (uint8_t i = 0; i < 8; i++)
PDITarget_SendByte(NVMKey[i]);
PDITarget_SendByte(PDI_CMD_LDCS | PD_STATUS_REG);
if (!(PDITarget_ReceiveByte() & PDI_STATUS_NVM))
ReturnStatus = XPRG_ERR_FAILED;
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);
PDIDATA_LINE_DDR &= ~PDIDATA_LINE_MASK;
PDICLOCK_LINE_DDR &= ~PDICLOCK_LINE_MASK;
PDIDATA_LINE_PORT &= ~PDIDATA_LINE_MASK;
PDICLOCK_LINE_PORT &= ~PDICLOCK_LINE_MASK;
Endpoint_Write_Byte(CMD_XPROG);
Endpoint_Write_Byte(XPRG_CMD_LEAVE_PROGMODE);
Endpoint_Write_Byte(XPRG_ERR_OK);
Endpoint_ClearIN();
}
static void PDIProtocol_EraseChip(void)
{
uint8_t ReturnStatus = XPRG_ERR_OK;
......@@ -209,34 +262,6 @@ static void PDIProtocol_ReadCRC(void)
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;
......
......@@ -41,6 +41,7 @@
#include <stdio.h>
#include "V2Protocol.h"
#include "PDITarget.h"
/* Macros: */
#define XPRG_CMD_ENTER_PROGMODE 0x01
......@@ -87,7 +88,7 @@
void PDIProtocol_XPROG_SetMode(void);
void PDIProtocol_XPROG_Command(void);
#if defined(INCLUDE_FROM_XPROG_C)
#if defined(INCLUDE_FROM_PDIPROTOCOL_C)
static void PDIProtocol_EnterXPROGMode(void);
static void PDIProtocol_LeaveXPROGMode(void);
static void PDIProtocol_SetParam(void);
......
/*
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
*
* Target-related functions for the PDI Protocol decoder.
*/
#define INCLUDE_FROM_PDITARGET_C
#include "PDITarget.h"
void PDITarget_SendByte(uint8_t Byte)
{
PDIDATA_LINE_PORT &= ~PDIDATA_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
for (uint8_t i = 0; i < 8; i++)
{
if (Byte & 0x01)
PDIDATA_LINE_PORT |= PDIDATA_LINE_MASK;
else
PDIDATA_LINE_PORT &= ~PDIDATA_LINE_MASK;
Byte >>= 1;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
}
PDIDATA_LINE_PORT |= PDIDATA_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
}
uint8_t PDITarget_ReceiveByte(void)
{
uint8_t ReceivedByte = 0;
PDIDATA_LINE_DDR &= ~PDIDATA_LINE_MASK;
bool FoundStartBit;
do
{
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
FoundStartBit = !(PDIDATA_LINE_PIN & PDIDATA_LINE_MASK);
} while (!FoundStartBit);
for (uint8_t i = 0; i < 8; i++)
{
if (PDIDATA_LINE_PIN & PDIDATA_LINE_MASK)
ReceivedByte |= 0x01;
ReceivedByte <<= 1;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
}
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK;
PDIDATA_LINE_DDR |= PDIDATA_LINE_MASK;
return ReceivedByte;
}
#endif
/*
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.
*/
/** \file
*
* Header file for PDITarget.c.
*/
#ifndef _PDI_TARGET_
#define _PDI_TARGET_
/* Includes: */
#include <avr/io.h>
#include <stdbool.h>
/* Defines: */
#define PDIDATA_LINE_PORT PORTB
#define PDIDATA_LINE_DDR DDRB
#define PDIDATA_LINE_PIN PINB
#define PDIDATA_LINE_MASK (1 << 2)
#define PDICLOCK_LINE_PORT RESET_LINE_PORT
#define PDICLOCK_LINE_DDR RESET_LINE_DDR
#define PDICLOCK_LINE_MASK RESET_LINE_MASK
#define PDI_CMD_LDS 0x00
#define PDI_CMD_LD 0x20
#define PDI_CMD_STS 0x40
#define PDI_CMD_ST 0x60
#define PDI_CMD_LDCS 0x80
#define PDI_CMD_REPEAT 0xA0
#define PDI_CMD_STCS 0xC0
#define PDI_CMD_KEY 0xE0
#define PD_STATUS_REG 0
#define PD_RESET_REG 1
#define PD_CTRL_REG 2
#define PDI_STATUS_NVM (1 << 1)
#define PDI_RESET_KEY 0x59
/* Function Prototypes: */
void PDITarget_SendByte(uint8_t Byte);
uint8_t PDITarget_ReceiveByte(void);
#endif
......@@ -132,7 +132,7 @@ SRC = $(TARGET).c \
Lib/ISPProtocol.c \
Lib/ISPTarget.c \
Lib/PDIProtocol.c \
$(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c \
Lib/PDITarget.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c \
......
......@@ -68,7 +68,7 @@ void SoftUART_Init(void)
{
OCR2B = TCNT2 + 1; // force first compare
TCCR2A = (1 << COM2B1) | (1 << COM2B0); // T1 mode 0
TCCR2B = (1 << FOC2B) | (1 << CS21); // CLK/8, T1 mode 0
TCCR2B = (1 << FOC2B) | (1 << CS21); // CLK/8, T1 mode 0
TIMSK2 = (1 << OCIE2B); // enable tx and wait for start
EICRA = (1 << ISC01); // -ve edge
EIMSK = (1 << INT0); // enable INT0 interrupt
......@@ -76,7 +76,7 @@ void SoftUART_Init(void)
stx_count = 0; // nothing to send
srx_done = 0; // nothing received
STXPORT |= 1 << STX; // TX output
STXDDR |= 1 << STX; // TX output
STXDDR |= 1 << STX; // TX output
SRXPORT |= (1 << SRX); // pullup on INT0
}
......
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