/**
* \brief Disables Cache. The levels/type of Cache to be disabled
* is passed as parameter.
*
* \param disFlag Caches to be disabled.
* 'disFlag' can take one of the below values. \n
* CACHE_ICACHE - To disable Instruction Cache \n
* CACHE_DCACHE - To disable Data/Unified Cache \n
* CACHE_ALL - To disable all levels of Cache
*
* \return None.
*
* \Note Disabling Data Cache disables Unified cache also, if present.
**/
void CacheDisable(unsigned int disFlag)
{
if(disFlag & CACHE_ICACHE)
{
CP15ICacheDisable();
CP15ICacheFlush();
}
/* Here D Cache Disabling disables Unified cache also */
if(disFlag & CACHE_DCACHE)
{
CP15DCacheDisable();
/* For Cortex A8, L2EN has to be disabled for L2 Cache */
if(PRIMARY_PART_CORTEX_A8 == CP15MainIdPrimPartNumGet())
{
CP15AuxControlFeatureDisable(CORTEX_A8_L2EN);
}
}
}
/**
* \brief Enables Cache. The levels/type of Cache to be enabled
* is passed as parameter.
*
* \param enFlag Caches to be enabled.
* 'enFlag' can take one of the below values. \n
* CACHE_ICACHE - To enable Instruction Cache \n
* CACHE_DCACHE - To enable Data/Unified Cache \n
* CACHE_ALL - To enable all levels of Cache
*
* \return None.
*
* \Note Enabling Data Cache enables Unified cache also, if present.
**/
void CacheEnable(unsigned int enFlag)
{
if(enFlag & CACHE_ICACHE)
{
CP15ICacheFlush();
CP15ICacheEnable();
}
if(enFlag & CACHE_DCACHE)
{
/* For Cortex A8, L2EN has to be enabled for L2 Cache */
if(PRIMARY_PART_CORTEX_A8 == CP15MainIdPrimPartNumGet())
{
CP15AuxControlFeatureEnable(CORTEX_A8_L2EN);
}
CP15DCacheFlush();
CP15DCacheEnable();
}
}
/**
* \brief This API invalidates the entire I-Cache
*
* \param None
*
* \return None.
*
**/
void CacheInstInvalidateAll(void)
{
CP15ICacheFlush();
}
/*
** Main function. The application starts here.
*/
int main(void)
{
unsigned int index;
unsigned int j;
int result = 0;
/*
** Sets up Section page tables. This is only first level
** page table, each page is of size 1MB
*/
for(index = 0; index < (4*1024); index++)
{
/* Set the cacheable memory attributes */
if((index >= 0x800 && index < 0x880) || (index == 0x403))
{
pageTable[index] = (index << 20) | CACHEABLE_TLB_ATTR;
}
/* Set the non-cacheable memory attributes */
else
{
pageTable[index] = (index << 20) | NORM_TLB_ATTR;
}
}
/* Invalidate the TLB, pipeline */
CP15TlbInvalidate();
CP15BranchPredictorInvalidate();
CP15BranchPredictionEnable();
CP15DomainAccessClientSet();
/* Set TTB0 value. We use only TTB0 here (N = 0) */
CP15Ttb0Set(((unsigned int )pageTable) | RGN_L2_WBWA);
/* Enables MMU */
CP15MMUEnable();
/* Flush and enable Instruction Cache */
CP15ICacheFlush();
CP15ICacheEnable();
PeripheralsSetUp();
/* Initialize the ARM Interrupt Controller */
IntAINTCInit();
/* Register the ISRs */
Timer2IntRegister();
Timer4IntRegister();
EnetIntRegister();
RtcIntRegister();
HSMMCSDIntRegister();
IntRegister(127, dummyIsr);
IntMasterIRQEnable();
/* Enable system interrupts */
IntSystemEnable(SYS_INT_RTCINT);
IntPrioritySet(SYS_INT_RTCINT, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_3PGSWTXINT0);
IntPrioritySet(SYS_INT_3PGSWTXINT0, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_3PGSWRXINT0);
IntPrioritySet(SYS_INT_3PGSWRXINT0, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_TINT2);
IntPrioritySet(SYS_INT_TINT2, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_TINT4);
IntPrioritySet(SYS_INT_TINT4, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_MMCSD0INT);
IntPrioritySet(SYS_INT_MMCSD0INT, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_EDMACOMPINT);
IntPrioritySet(SYS_INT_EDMACOMPINT, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(127);
IntPrioritySet(127, 0, AINTC_HOSTINT_ROUTE_IRQ);
RtcInit();
UARTStdioInit();
HSMMCSDContolInit();
DelayTimerSetup();
Timer2Config();
Timer4Config();
LedIfConfig();
Timer2IntEnable();
Timer4IntEnable();
RtcSecIntEnable();
InitI2C();
Timer4Start();
// Read config from files
HSMMCSDCardAccessSetup();
configRead();
LedOn( USER_LED_1 );
for( j = 0; j < 1000000; ++j );
LedOff( USER_LED_1 );
LedOn( USER_LED_2 );
for( j = 0; j < 1000000; ++j );
LedOff( USER_LED_2 );
LedOn( USER_LED_3 );
for( j = 0; j < 1000000; ++j );
LedOff( USER_LED_3 );
LedOn( USER_LED_4 );
for( j = 0; j < 1000000; ++j );
LedOff( USER_LED_4 );
// TEMP
//i2cTest();
/*
** Loop for ever. Necessary actions shall be taken
** after detecting the click.
*/
while( 1 )
{
EnetStatusCheckNUpdate();
if( runCommand )
{
// Command blink
LedOn( USER_LED_1 );
if( runData[ runIndex + 1 ] == 'D' )
{
if( runData[ runIndex + 2 ] == 'S' )
{
UARTPuts( "** DAC SET\n\r", -1 );
if( runData[ runIndex + 3 ] == 'A' )
{
i2cDAC_Set( 0,
runData[ runIndex + 4 ], runData[ runIndex + 5 ] );
}
if( runData[ runIndex + 6 ] == 'B' )
{
i2cDAC_Set( 1,
runData[ runIndex + 7 ], runData[ runIndex + 8 ] );
}
if( runData[ runIndex + 9 ] == 'C' )
{
i2cDAC_Set( 2,
runData[ runIndex + 10 ], runData[ runIndex + 11 ] );
}
if( runData[ runIndex + 12 ] == 'D' )
{
i2cDAC_Set( 3,
runData[ runIndex + 13 ], runData[ runIndex + 14 ] );
}
}
else if( runData[ runIndex + 2 ] == 'G' )
{
UARTPuts( "** DAC GET\n\r", -1 );
uartData[ 0 ] = 15;
uartData[ 1 ] = 'D';
uartData[ 2 ] = 'G';
uartData[ 3 ] = 'A';
i2cDAC_Get( 0, &uartData[ 4 ] );
uartData[ 6 ] = 'B';
i2cDAC_Get( 1, &uartData[ 7 ] );
uartData[ 9 ] = 'C';
i2cDAC_Get( 2, &uartData[ 10 ] );
uartData[ 12 ] = 'D';
i2cDAC_Get( 3, &uartData[ 13 ] );
net_ext_send( uartData, 15 );
}
}
else if( runData[ runIndex + 1 ] == 'G' )
{
if( runData[ runIndex + 2 ] == 'S' )
{
if( runData[ runIndex + 3 ] == 0 ) // Off
{
UARTPuts( "** GPIO OFF\n\r", -1 );
i2cGPIO_Off( 0, 1 << runData[ runIndex + 4 ] );
}
else if( runData[ runIndex + 3 ] == 1 ) // On
{
UARTPuts( "** GPIO ON\n\r", -1 );
i2cGPIO_On( 0, 1 << runData[ runIndex + 4 ] );
}
}
else if( runData[ runIndex + 2 ] == 'G' )
{
UARTPuts( "** GPIO GET\n\r", -1 );
uartData[ 0 ] = 5;
uartData[ 1 ] = 'G';
uartData[ 2 ] = 'G';
i2cGPIO_Get( &uartData[ 3 ] );
net_ext_send( uartData, 5 );
}
}
else if( runData[ runIndex + 1 ] == 'U' )
{
UARTPuts( "** UART\n\r", -1 );
i2cUART_Send( &(runData[ runIndex + 2 ]), 6 );
}
runCommand -= runData[ runIndex + 0 ];
if( runCommand > 0 )
{
runIndex += runData[ runIndex + 0 ];
}
else
{
runIndex = 0;
}
LedOff( USER_LED_1 );
}
result = i2cUART_Recv( &( uartData[ 2 ] ), 30 );
if( result > 0 )
{
UARTPuts( "** UART Recv: ", -1 );
for( index = 0; index < result; ++index )
{
UARTPutHexNum( uartData[ index + 2 ] );
UARTPutc( ' ' );
}
UARTPutc( '\n' );
UARTPutc( '\r' );
// Return the stage position info to the GUI
if( uartData[ 3 ] == 0x0A ||
uartData[ 3 ] == 0x3C )
{
uartData[ 0 ] = result + 2;
uartData[ 1 ] = 'U';
net_ext_send( uartData, result + 2 );
}
}
}
}