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

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This commit is contained in:
Dean Camera 2009-12-03 00:53:45 +00:00
parent f92b56191d
commit f69f03cb0d
10 changed files with 240 additions and 37 deletions
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83
Projects/AVRISP/Lib/PDIProtocol.c
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@ -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;