void _kuart_int_rx_tx_isr
(
/* [IN] the address of the device specific information */
pointer parameter
)
{ /* Body */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr = parameter;
KUART_INFO_STRUCT_PTR sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
UART_MemMapPtr sci_ptr = sci_info_ptr->SCI_PTR;
volatile int_32 c;
#if MQX_ENABLE_LOW_POWER
if (int_io_dev_ptr->LPM_INFO.FLAGS & IO_PERIPHERAL_WAKEUP_ENABLE)
{
/* Disable wakeup settings */
int_io_dev_ptr->LPM_INFO.FLAGS &= (~ IO_PERIPHERAL_WAKEUP_ENABLE);
sci_ptr->C2 &= (~ (UART_C2_RWU_MASK));
sci_ptr->C1 &= (~ (UART_C1_WAKE_MASK | UART_C1_ILT_MASK));
sci_ptr->C4 &= (~ (UART_C4_MAEN1_MASK | UART_C4_MAEN2_MASK));
sci_ptr->MA1 = 0;
sci_ptr->MA2 = 0;
/* Do not return to CPU sleep anymore */
if (int_io_dev_ptr->LPM_INFO.FLAGS & IO_PERIPHERAL_WAKEUP_SLEEPONEXIT_DISABLE)
{
int_io_dev_ptr->LPM_INFO.FLAGS &= (~ IO_PERIPHERAL_WAKEUP_SLEEPONEXIT_DISABLE);
_lpm_wakeup_core ();
}
}
#endif
++sci_info_ptr->INTERRUPTS;
/* try if RX buffer has some characters */
if (sci_ptr->S1 & UART_S1_RDRF_MASK) {
c = sci_ptr->D;
if (!_io_serial_int_addc(int_io_dev_ptr, c)) {
sci_info_ptr->RX_DROPPED_INPUT++;
}
sci_info_ptr->RX_CHARS++;
}
/* try if TX buffer is still not full */
if (sci_ptr->S1 & UART_S1_TDRE_MASK) {
c = _io_serial_int_nextc(int_io_dev_ptr);
if (c >= 0) {
sci_ptr->D = c;
} else {
/* All data sent, disable transmit interrupt */
sci_ptr->C2 &= ~UART_C2_TIE_MASK;
}
sci_info_ptr->TX_CHARS++;
}
} /* Endbody */
void _kuart_int_err_isr
(
/* [IN] the address of the device specific information */
pointer parameter
)
{ /* Body */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr = parameter;
KUART_INFO_STRUCT_PTR sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
UART_MemMapPtr sci_ptr = sci_info_ptr->SCI_PTR;
uint_16 stat;
#if MQX_ENABLE_LOW_POWER
if (int_io_dev_ptr->LPM_INFO.FLAGS & IO_PERIPHERAL_WAKEUP_ENABLE)
{
/* Disable wakeup settings */
int_io_dev_ptr->LPM_INFO.FLAGS &= (~ IO_PERIPHERAL_WAKEUP_ENABLE);
sci_ptr->C2 &= (~ (UART_C2_RWU_MASK));
sci_ptr->C1 &= (~ (UART_C1_WAKE_MASK | UART_C1_ILT_MASK));
sci_ptr->C4 &= (~ (UART_C4_MAEN1_MASK | UART_C4_MAEN2_MASK));
sci_ptr->MA1 = 0;
sci_ptr->MA2 = 0;
/* Do not return to CPU sleep anymore */
if (int_io_dev_ptr->LPM_INFO.FLAGS & IO_PERIPHERAL_WAKEUP_SLEEPONEXIT_DISABLE)
{
int_io_dev_ptr->LPM_INFO.FLAGS &= (~ IO_PERIPHERAL_WAKEUP_SLEEPONEXIT_DISABLE);
_lpm_wakeup_core ();
}
}
#endif
++sci_info_ptr->INTERRUPTS;
stat = sci_ptr->S1;
if(stat & UART_S1_OR_MASK) {
++sci_info_ptr->RX_OVERRUNS;
}
if(stat & UART_S1_PF_MASK) {
++sci_info_ptr->RX_PARITY_ERRORS;
}
if(stat & UART_S1_NF_MASK) {
++sci_info_ptr->RX_NOISE_ERRORS;
}
if(stat & UART_S1_FE_MASK) {
++sci_info_ptr->RX_FRAMING_ERRORS;
}
} /* Endbody */
static void timer_wakeup_isr
(
void *parameter
)
{
/* Stop the timer */
hwtimer_stop(&lpttimer);
/* Do not return to sleep after isr again */
_lpm_wakeup_core ();
/* Signal the timer event */
_lwevent_set (&app_event, TIMER_EVENT_MASK);
}
static void my_rtc_isr
(
pointer rtc_registers_ptr
)
{
uint_32 state = _rtc_get_status ();
if (state & RTC_RTCISR_ALM)
{
/* Do not return to sleep after isr again */
_lpm_wakeup_core ();
_lwevent_set(&app_event, RTC_EVENT_MASK);
}
_rtc_clear_requests (state);
}
static void timer_wakeup_isr(pointer parameter)
{
uint_32 timer = (uint_32)parameter;
/* Stop the timer */
#if MQX_VERSION == (402)
_lpt_run (timer, FALSE);
_lpt_clear_int (timer);
#else
hwtimer_stop(&hwtimer2);
hwtimer_deinit(&hwtimer2);
#endif
/* Do not return to sleep after isr again */
_lpm_wakeup_core ();
}
