Minor documentation improvements.

[pub/USBasp.git] / Projects / AVRISP-MKII / Lib / V2Protocol.c

diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.c b/Projects/AVRISP-MKII/Lib/V2Protocol.c
index f6ea477..fa3d6a3 100644 (file)
--- a/Projects/AVRISP-MKII/Lib/V2Protocol.c
+++ b/Projects/AVRISP-MKII/Lib/V2Protocol.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.

 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*

-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)

 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -44,29 +44,24 @@ bool MustLoadExtendedAddress;
 
 
 /** ISR to manage timeouts whilst processing a V2Protocol command */
 
 
 /** ISR to manage timeouts whilst processing a V2Protocol command */

-ISR(TIMER0_COMPA_vect, ISR_NOBLOCK)
+ISR(WDT_vect, ISR_BLOCK)

 {
 {

-       if (TimeoutTicksRemaining)
-         TimeoutTicksRemaining--;
+       TimeoutExpired = true;
+       wdt_disable();

 }
 
 }
 

-/** Initialises the hardware and software associated with the V2 protocol command handling. */
+/** Initializes the hardware and software associated with the V2 protocol command handling. */

 void V2Protocol_Init(void)
 {
        #if defined(ADC)
        /* Initialize the ADC converter for VTARGET level detection on supported AVR models */
        ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_128);
        ADC_SetupChannel(VTARGET_ADC_CHANNEL);
 void V2Protocol_Init(void)
 {
        #if defined(ADC)
        /* Initialize the ADC converter for VTARGET level detection on supported AVR models */
        ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_128);
        ADC_SetupChannel(VTARGET_ADC_CHANNEL);

-       ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | VTARGET_ADC_CHANNEL_MASK);
+       ADC_StartReading(VTARGET_REF_MASK | ADC_RIGHT_ADJUSTED | VTARGET_ADC_CHANNEL_MASK);

        #endif
 
        #endif
 

-       /* Timeout timer initialization (10ms period) */
-       OCR0A  = (((F_CPU / 1024) / 100) - 1);
-       TCCR0A = (1 << WGM01);
-       TIMSK0 = (1 << OCIE0A);
-

        V2Params_LoadNonVolatileParamValues();
        V2Params_LoadNonVolatileParamValues();

-       
+

        #if defined(ENABLE_ISP_PROTOCOL)
        ISPTarget_ConfigureRescueClock();
        #endif
        #if defined(ENABLE_ISP_PROTOCOL)
        ISPTarget_ConfigureRescueClock();
        #endif


@@ -78,11 +73,12 @@ void V2Protocol_Init(void)
  */
 void V2Protocol_ProcessCommand(void)
 {
  */
 void V2Protocol_ProcessCommand(void)
 {

-       uint8_t V2Command = Endpoint_Read_Byte();
+       uint8_t V2Command = Endpoint_Read_8();

 
 

-       /* Start the timeout management timer */
-       TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS;
-       TCCR0B = ((1 << CS02) | (1 << CS00));
+       /* Start the watchdog with timeout interrupt enabled to manage the timeout */
+       TimeoutExpired = false;
+       wdt_enable(WDTO_1S);
+       WDTCSR |= (1 << WDIE);

 
        switch (V2Command)
        {
 
        switch (V2Command)
        {


@@ -144,8 +140,8 @@ void V2Protocol_ProcessCommand(void)
                        break;
        }
 
                        break;
        }
 

-       /* Disable the timeout management timer */
-       TCCR0B = 0;
+       /* Disable the timeout management watchdog timer */
+       wdt_disable();

 
        Endpoint_WaitUntilReady();
        Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);
 
        Endpoint_WaitUntilReady();
        Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);


@@ -170,8 +166,8 @@ static void V2Protocol_UnknownCommand(const uint8_t V2Command)
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 

-       Endpoint_Write_Byte(V2Command);
-       Endpoint_Write_Byte(STATUS_CMD_UNKNOWN);
+       Endpoint_Write_8(V2Command);
+       Endpoint_Write_8(STATUS_CMD_UNKNOWN);

        Endpoint_ClearIN();
 }
 
        Endpoint_ClearIN();
 }
 


@@ -182,9 +178,9 @@ static void V2Protocol_SignOn(void)
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 

-       Endpoint_Write_Byte(CMD_SIGN_ON);
-       Endpoint_Write_Byte(STATUS_CMD_OK);
-       Endpoint_Write_Byte(sizeof(PROGRAMMER_ID) - 1);
+       Endpoint_Write_8(CMD_SIGN_ON);
+       Endpoint_Write_8(STATUS_CMD_OK);
+       Endpoint_Write_8(sizeof(PROGRAMMER_ID) - 1);

        Endpoint_Write_Stream_LE(PROGRAMMER_ID, (sizeof(PROGRAMMER_ID) - 1), NULL);
        Endpoint_ClearIN();
 }
        Endpoint_Write_Stream_LE(PROGRAMMER_ID, (sizeof(PROGRAMMER_ID) - 1), NULL);
        Endpoint_ClearIN();
 }


@@ -198,8 +194,8 @@ static void V2Protocol_ResetProtection(void)
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 

-       Endpoint_Write_Byte(CMD_RESET_PROTECTION);
-       Endpoint_Write_Byte(STATUS_CMD_OK);
+       Endpoint_Write_8(CMD_RESET_PROTECTION);
+       Endpoint_Write_8(STATUS_CMD_OK);

        Endpoint_ClearIN();
 }
 
        Endpoint_ClearIN();
 }
 


@@ -211,33 +207,33 @@ static void V2Protocol_ResetProtection(void)
  */
 static void V2Protocol_GetSetParam(const uint8_t V2Command)
 {
  */
 static void V2Protocol_GetSetParam(const uint8_t V2Command)
 {

-       uint8_t ParamID = Endpoint_Read_Byte();
+       uint8_t ParamID = Endpoint_Read_8();

        uint8_t ParamValue;
 
        if (V2Command == CMD_SET_PARAMETER)
        uint8_t ParamValue;
 
        if (V2Command == CMD_SET_PARAMETER)

-         ParamValue = Endpoint_Read_Byte();
+         ParamValue = Endpoint_Read_8();

 
        Endpoint_ClearOUT();
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 
 
        Endpoint_ClearOUT();
        Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM);
        Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
 

-       Endpoint_Write_Byte(V2Command);
+       Endpoint_Write_8(V2Command);

 
        uint8_t ParamPrivs = V2Params_GetParameterPrivileges(ParamID);
 
        if ((V2Command == CMD_SET_PARAMETER) && (ParamPrivs & PARAM_PRIV_WRITE))
        {
 
        uint8_t ParamPrivs = V2Params_GetParameterPrivileges(ParamID);
 
        if ((V2Command == CMD_SET_PARAMETER) && (ParamPrivs & PARAM_PRIV_WRITE))
        {

-               Endpoint_Write_Byte(STATUS_CMD_OK);
+               Endpoint_Write_8(STATUS_CMD_OK);

                V2Params_SetParameterValue(ParamID, ParamValue);
        }
        else if ((V2Command == CMD_GET_PARAMETER) && (ParamPrivs & PARAM_PRIV_READ))
        {
                V2Params_SetParameterValue(ParamID, ParamValue);
        }
        else if ((V2Command == CMD_GET_PARAMETER) && (ParamPrivs & PARAM_PRIV_READ))
        {

-               Endpoint_Write_Byte(STATUS_CMD_OK);
-               Endpoint_Write_Byte(V2Params_GetParameterValue(ParamID));
+               Endpoint_Write_8(STATUS_CMD_OK);
+               Endpoint_Write_8(V2Params_GetParameterValue(ParamID));

        }
        else
        {
        }
        else
        {

-               Endpoint_Write_Byte(STATUS_CMD_FAILED);
+               Endpoint_Write_8(STATUS_CMD_FAILED);

        }
 
        Endpoint_ClearIN();
        }
 
        Endpoint_ClearIN();


@@ -258,8 +254,8 @@ static void V2Protocol_LoadAddress(void)
        if (CurrentAddress & (1UL << 31))
          MustLoadExtendedAddress = true;
 
        if (CurrentAddress & (1UL << 31))
          MustLoadExtendedAddress = true;
 

-       Endpoint_Write_Byte(CMD_LOAD_ADDRESS);
-       Endpoint_Write_Byte(STATUS_CMD_OK);
+       Endpoint_Write_8(CMD_LOAD_ADDRESS);
+       Endpoint_Write_8(STATUS_CMD_OK);

        Endpoint_ClearIN();
 }
 
        Endpoint_ClearIN();
 }