static void all_exti_irqhandler( int line )
{
u16 v, port, pin;
v = exti_line_to_gpio( line );
port = PLATFORM_IO_GET_PORT( v );
pin = PLATFORM_IO_GET_PIN( v );
if( EXTI->RTSR & (1 << line ) && platform_pio_op( port, 1 << pin, PLATFORM_IO_PIN_GET ) )
cmn_int_handler( INT_GPIO_POSEDGE, v );
if( EXTI->FTSR & (1 << line ) && ( platform_pio_op( port, 1 << pin, PLATFORM_IO_PIN_GET ) == 0 ) )
cmn_int_handler( INT_GPIO_NEGEDGE, v );
EXTI_ClearITPendingBit( exti_line[ line ] );
}
// EINT3 (INT_GPIO) interrupt handler
static void int_handler_eint3()
{
elua_int_id id = ELUA_INT_INVALID_INTERRUPT;
pio_code resnum = 0;
int pidx, pin;
EXTINT |= 1 << EINT3_BIT; // clear interrupt
// Look for interrupt source
// In can only be GPIO0/GPIO2, as the EXT interrupts are not (yet) used
pidx = ( IO_INT_STAT & 1 ) ? 0 : 1;
if( *posedge_status[ pidx ] )
{
id = INT_GPIO_POSEDGE;
pin = intlog2( *posedge_status[ pidx ] );
}
else
{
id = INT_GPIO_NEGEDGE;
pin = intlog2( *negedge_status[ pidx ] );
}
resnum = PLATFORM_IO_ENCODE( pidx * 2, pin, PLATFORM_IO_ENC_PIN );
*intclr_regs[ pidx ] = 1 << pin;
// Run the interrupt through eLua
cmn_int_handler( id, resnum );
VICVectAddr = 0; // ACK interrupt
}
static void gpio_common_handler( int port )
{
u32 base = pio_base[ port ];
u8 pin, pinmask;
u32 ibe = HWREG( base + GPIO_O_IBE );
u32 iev = HWREG( base + GPIO_O_IEV );
// Check each pin in turn
for( pin = 0, pinmask = 1; pin < 8; pin ++, pinmask <<= 1 )
if( HWREG( base + GPIO_O_MIS ) & pinmask ) // interrupt on pin
{
if( MAP_GPIOPinRead( base, pinmask ) && ( ( ibe & pinmask ) || ( iev & pinmask ) ) ) // high level and posedge interrupt enabled
cmn_int_handler( INT_GPIO_POSEDGE, PLATFORM_IO_ENCODE( port, pin, 0 ) );
else if( ( ibe & pinmask ) || !( iev & pinmask ) ) // low level and negedge interrupt enabled
cmn_int_handler( INT_GPIO_NEGEDGE, PLATFORM_IO_ENCODE( port, pin, 0 ) );
HWREG( base + GPIO_O_ICR ) = pinmask;
}
}
static void all_usart_irqhandler( int resnum )
{
//int temp;
//temp = USART_GetFlagStatus( stm32_usart[ resnum ], USART_FLAG_ORE );
cmn_int_handler( INT_UART_RX, resnum );
//if( temp == SET )
// for( temp = 0; temp < 10; temp ++ )
// platform_s_uart_send( resnum, '@' );
}
static void tmr_int_handler( unsigned id )
{
TIM_TypeDef *base = ( TIM_TypeDef* )timer[ id ];
if (TIM_GetITStatus( base, TIM_IT_CC1) != RESET)
{
TIM_ClearITPendingBit( base, TIM_IT_CC1 );
if( id == VTMR_TIMER_ID )
cmn_virtual_timer_cb();
else
cmn_int_handler( INT_TMR_MATCH, id );
if( stm32_timer_int_periodic_flag[ id ] != PLATFORM_TIMER_INT_CYCLIC )
TIM_ITConfig( base, TIM_IT_CC1, DISABLE );
}
}
static void tmr_match_common_handler( int id )
{
volatile avr32_tc_t *tc = &AVR32_TC;
tc_read_sr( tc, id ); // clear interrupt
#if VTMR_NUM_TIMERS > 0
if( id == VTMR_CH )
{
cmn_virtual_timer_cb();
platform_eth_timer_handler();
platform_cdc_timer_handler();
}
else
#endif
cmn_int_handler( INT_TMR_MATCH, id );
if( avr32_timer_int_periodic_flag[ id ] != PLATFORM_TIMER_INT_CYCLIC )
{
tc->channel[ id ].IDR.cpcs = 1;
tc->channel[ id ].CMR.waveform.wavsel = TC_WAVEFORM_SEL_UP_MODE;
}
}
static void uart_common_rx_handler( int resnum )
{
MAP_UARTIntClear( uart_base[ resnum ], uart_int_mask );
while( MAP_UARTCharsAvail( uart_base[ resnum ] ) )
cmn_int_handler( INT_UART_RX, resnum );
}
static void uart_common_rx_handler( int resnum )
{
cmn_int_handler( INT_UART_RX, resnum );
AT91C_BASE_AIC->AIC_ICCR = 1 << usart_int_ids[ resnum ];
AT91C_BASE_AIC->AIC_EOICR = 0;
}
// Common UART interrupt handler
static void uart_rx_common_handler( elua_int_resnum resnum )
{
cmn_int_handler( INT_UART_RX, resnum );
VICVectAddr = 0;
}
static void uart_common_rx_handler( int resnum )
{
cmn_int_handler( INT_UART_RX, resnum );
}